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1 85f07f22 Fabrice Bellard
/*
2 115329f1 Diego Biurrun
 * FFmpeg main
3 01310af2 Fabrice Bellard
 * Copyright (c) 2000-2003 Fabrice Bellard
4 85f07f22 Fabrice Bellard
 *
5 b78e7197 Diego Biurrun
 * This file is part of FFmpeg.
6
 *
7
 * FFmpeg is free software; you can redistribute it and/or
8 bf5af568 Fabrice Bellard
 * modify it under the terms of the GNU Lesser General Public
9
 * License as published by the Free Software Foundation; either
10 b78e7197 Diego Biurrun
 * version 2.1 of the License, or (at your option) any later version.
11 85f07f22 Fabrice Bellard
 *
12 b78e7197 Diego Biurrun
 * FFmpeg is distributed in the hope that it will be useful,
13 85f07f22 Fabrice Bellard
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 bf5af568 Fabrice Bellard
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
16 85f07f22 Fabrice Bellard
 *
17 bf5af568 Fabrice Bellard
 * You should have received a copy of the GNU Lesser General Public
18 b78e7197 Diego Biurrun
 * License along with FFmpeg; if not, write to the Free Software
19 5509bffa Diego Biurrun
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 85f07f22 Fabrice Bellard
 */
21 364a9607 Diego Biurrun
22 7246177d Aurelien Jacobs
/* needed for usleep() */
23 d0feff2a Diego Biurrun
#define _XOPEN_SOURCE 600
24 7246177d Aurelien Jacobs
25 0f4e8165 Ronald S. Bultje
#include "config.h"
26
#include <ctype.h>
27
#include <string.h>
28
#include <math.h>
29
#include <stdlib.h>
30
#include <errno.h>
31 d86b83f8 Ramiro Polla
#include <signal.h>
32 22f7a060 Michael Niedermayer
#include <limits.h>
33 7246177d Aurelien Jacobs
#include <unistd.h>
34 245976da Diego Biurrun
#include "libavformat/avformat.h"
35
#include "libavdevice/avdevice.h"
36
#include "libswscale/swscale.h"
37
#include "libavcodec/opt.h"
38 ce1ee094 Peter Ross
#include "libavcodec/audioconvert.h"
39 126b638e Stefano Sabatini
#include "libavcore/parseutils.h"
40 2b4abbd6 Stefano Sabatini
#include "libavutil/colorspace.h"
41 245976da Diego Biurrun
#include "libavutil/fifo.h"
42 718c7b18 Stefano Sabatini
#include "libavutil/pixdesc.h"
43 245976da Diego Biurrun
#include "libavutil/avstring.h"
44 335ee1aa Måns Rullgård
#include "libavutil/libm.h"
45 245976da Diego Biurrun
#include "libavformat/os_support.h"
46 daf8e955 Fabrice Bellard
47 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
48
# include "libavfilter/avfilter.h"
49
# include "libavfilter/avfiltergraph.h"
50
# include "libavfilter/graphparser.h"
51
# include "libavfilter/vsrc_buffer.h"
52
#endif
53
54 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_RESOURCE_H
55 0a1b29de Dave Yeo
#include <sys/types.h>
56 fc5607f8 Reimar Döffinger
#include <sys/time.h>
57 b091aa44 Ramiro Polla
#include <sys/resource.h>
58 b250f9c6 Aurelien Jacobs
#elif HAVE_GETPROCESSTIMES
59 7495c306 Ramiro Polla
#include <windows.h>
60
#endif
61 fc5607f8 Reimar Döffinger
#if HAVE_GETPROCESSMEMORYINFO
62
#include <windows.h>
63
#include <psapi.h>
64
#endif
65 7495c306 Ramiro Polla
66 b250f9c6 Aurelien Jacobs
#if HAVE_SYS_SELECT_H
67 fb1d2d7b Baptiste Coudurier
#include <sys/select.h>
68
#endif
69
70 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
71 85f07f22 Fabrice Bellard
#include <fcntl.h>
72
#include <sys/ioctl.h>
73
#include <sys/time.h>
74
#include <termios.h>
75 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
76 4b54c6d0 Ramiro Polla
#include <conio.h>
77 bdc4796f Fabrice Bellard
#endif
78 bf5af568 Fabrice Bellard
#include <time.h>
79 85f07f22 Fabrice Bellard
80 01310af2 Fabrice Bellard
#include "cmdutils.h"
81
82 b64b4134 Måns Rullgård
#include "libavutil/avassert.h"
83 2b18dcd0 Michael Niedermayer
84 64555bd9 Michael Niedermayer
const char program_name[] = "FFmpeg";
85 ea9c581f Stefano Sabatini
const int program_birth_year = 2000;
86 86074ed1 Stefano Sabatini
87 85f07f22 Fabrice Bellard
/* select an input stream for an output stream */
88
typedef struct AVStreamMap {
89
    int file_index;
90
    int stream_index;
91 b4a3389e Wolfram Gloger
    int sync_file_index;
92
    int sync_stream_index;
93 85f07f22 Fabrice Bellard
} AVStreamMap;
94
95 3f07e8db Michael Niedermayer
/**
96
 * select an input file for an output file
97
 */
98 0a38bafd Patrice Bensoussan
typedef struct AVMetaDataMap {
99
    int out_file;
100
    int in_file;
101
} AVMetaDataMap;
102
103 580a6c57 Diego Pettenò
static const OptionDef options[];
104 85f07f22 Fabrice Bellard
105 60402344 Jai Menon
#define MAX_FILES 100
106 84fd51e5 Aurelien Jacobs
#if !FF_API_MAX_STREAMS
107
#define MAX_STREAMS 1024    /* arbitrary sanity check value */
108
#endif
109 85f07f22 Fabrice Bellard
110 ef6fc647 Stefano Sabatini
static const char *last_asked_format = NULL;
111 85f07f22 Fabrice Bellard
static AVFormatContext *input_files[MAX_FILES];
112 a6a92a9a Wolfram Gloger
static int64_t input_files_ts_offset[MAX_FILES];
113 2c6958aa Aurelien Jacobs
static double *input_files_ts_scale[MAX_FILES] = {NULL};
114 311e223f Aurelien Jacobs
static AVCodec **input_codecs = NULL;
115 85f07f22 Fabrice Bellard
static int nb_input_files = 0;
116 311e223f Aurelien Jacobs
static int nb_input_codecs = 0;
117 2c6958aa Aurelien Jacobs
static int nb_input_files_ts_scale[MAX_FILES] = {0};
118 85f07f22 Fabrice Bellard
119
static AVFormatContext *output_files[MAX_FILES];
120 0a6d97b3 Aurelien Jacobs
static AVCodec **output_codecs = NULL;
121 85f07f22 Fabrice Bellard
static int nb_output_files = 0;
122 0a6d97b3 Aurelien Jacobs
static int nb_output_codecs = 0;
123 85f07f22 Fabrice Bellard
124 3a8e8824 Aurelien Jacobs
static AVStreamMap *stream_maps = NULL;
125 85f07f22 Fabrice Bellard
static int nb_stream_maps;
126
127 0a38bafd Patrice Bensoussan
static AVMetaDataMap meta_data_maps[MAX_FILES];
128
static int nb_meta_data_maps;
129
130 006e8108 Mike Scheutzow
/* indexed by output file stream index */
131 e640f261 Aurelien Jacobs
static int *streamid_map = NULL;
132
static int nb_streamid_map = 0;
133 006e8108 Mike Scheutzow
134 55cf1959 Michael Niedermayer
static int frame_width  = 0;
135
static int frame_height = 0;
136 880e8ba7 Roman Shaposhnik
static float frame_aspect_ratio = 0;
137 644a9262 Michael Niedermayer
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 ce1ee094 Peter Ross
static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
139 ab6d194a Michael Niedermayer
static int frame_topBand  = 0;
140
static int frame_bottomBand = 0;
141
static int frame_leftBand  = 0;
142
static int frame_rightBand = 0;
143 cf7fc795 Fabrice Bellard
static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
144 89129c6b Diego Biurrun
static AVRational frame_rate;
145 158c7f05 Michael Niedermayer
static float video_qscale = 0;
146 84f608f4 Vidar Madsen
static uint16_t *intra_matrix = NULL;
147
static uint16_t *inter_matrix = NULL;
148 464a631c Morten Hustveit
static const char *video_rc_override_string=NULL;
149 85f07f22 Fabrice Bellard
static int video_disable = 0;
150 f3356e9c Michael Niedermayer
static int video_discard = 0;
151 4a897224 Nicolas George
static char *video_codec_name = NULL;
152 83a36b2e Stefano Sabatini
static unsigned int video_codec_tag = 0;
153 0fc2c0f6 Matthieu Crapet
static char *video_language = NULL;
154 85f07f22 Fabrice Bellard
static int same_quality = 0;
155 cfcf0ffd Fabrice Bellard
static int do_deinterlace = 0;
156 bb198e19 Michael Niedermayer
static int top_field_first = -1;
157 f4f3223f Michael Niedermayer
static int me_threshold = 0;
158 1a11cbcc Michael Niedermayer
static int intra_dc_precision = 8;
159 5894e1bb Víctor Paesa
static int loop_input = 0;
160 8108551a Todd Kirby
static int loop_output = AVFMT_NOOUTPUTLOOP;
161 0888fd22 Michael Niedermayer
static int qp_hist = 0;
162 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
163
static char *vfilters = NULL;
164 aa1249b8 Baptiste Coudurier
AVFilterGraph *graph = NULL;
165 46847a33 Michael Niedermayer
#endif
166 85f07f22 Fabrice Bellard
167
static int intra_only = 0;
168
static int audio_sample_rate = 44100;
169 13367a46 Benjamin Larsson
static int64_t channel_layout = 0;
170 c57c770d Justin Ruggles
#define QSCALE_NONE -99999
171
static float audio_qscale = QSCALE_NONE;
172 85f07f22 Fabrice Bellard
static int audio_disable = 0;
173
static int audio_channels = 1;
174 4a897224 Nicolas George
static char  *audio_codec_name = NULL;
175 83a36b2e Stefano Sabatini
static unsigned int audio_codec_tag = 0;
176 cf7fc795 Fabrice Bellard
static char *audio_language = NULL;
177
178 11bf3847 Aurelien Jacobs
static int subtitle_disable = 0;
179 4a897224 Nicolas George
static char *subtitle_codec_name = NULL;
180 cf7fc795 Fabrice Bellard
static char *subtitle_language = NULL;
181 83a36b2e Stefano Sabatini
static unsigned int subtitle_codec_tag = 0;
182 85f07f22 Fabrice Bellard
183 17c88cb0 Michael Niedermayer
static float mux_preload= 0.5;
184
static float mux_max_delay= 0.7;
185 2db3c638 Michael Niedermayer
186 fc7ad2af Stefano Sabatini
static int64_t recording_time = INT64_MAX;
187 8831db5c Michael Niedermayer
static int64_t start_time = 0;
188 25d34458 Stefano Sabatini
static int64_t recording_timestamp = 0;
189 a6a92a9a Wolfram Gloger
static int64_t input_ts_offset = 0;
190 85f07f22 Fabrice Bellard
static int file_overwrite = 0;
191 4bf65e2a Stefano Sabatini
static AVMetadata *metadata;
192 5727b222 Fabrice Bellard
static int do_benchmark = 0;
193 a0663ba4 Fabrice Bellard
static int do_hex_dump = 0;
194 254abc2e Fabrice Bellard
static int do_pkt_dump = 0;
195 43f1708f Juanjo
static int do_psnr = 0;
196 5abdb4b1 Fabrice Bellard
static int do_pass = 0;
197 ad16627f Stefano Sabatini
static char *pass_logfilename_prefix = NULL;
198 1629626f Fabrice Bellard
static int audio_stream_copy = 0;
199
static int video_stream_copy = 0;
200 cf7fc795 Fabrice Bellard
static int subtitle_stream_copy = 0;
201 8858816d Michael Niedermayer
static int video_sync_method= -1;
202 986ebcdb Michael Niedermayer
static int audio_sync_method= 0;
203 d4d226a8 Michael Niedermayer
static float audio_drift_threshold= 0.1;
204 72bd8100 Michael Niedermayer
static int copy_ts= 0;
205 76bdac6d Stefano Sabatini
static int opt_shortest = 0;
206 90ad92b3 Michael Niedermayer
static int video_global_header = 0;
207 b60d1379 Stefano Sabatini
static char *vstats_filename;
208 032aa7df Stefano Sabatini
static FILE *vstats_file;
209 50e143c4 Nico Sabbi
static int opt_programid = 0;
210 50e3477f Wolfram Gloger
static int copy_initial_nonkeyframes = 0;
211 5abdb4b1 Fabrice Bellard
212 bdfcbbed Max Krasnyansky
static int rate_emu = 0;
213
214 a5df11ab Fabrice Bellard
static int  video_channel = 0;
215 df0cecdd Luca Abeni
static char *video_standard;
216 79a7c268 Fabrice Bellard
217 a9aa3467 Michael Niedermayer
static int audio_volume = 256;
218 8aa3ee32 Max Krasnyansky
219 f2abc559 Baptiste Coudurier
static int exit_on_error = 0;
220 d9a916e2 Charles Yates
static int using_stdin = 0;
221 f068206e Bill Eldridge
static int verbose = 1;
222 9c3d33d6 Michael Niedermayer
static int thread_count= 1;
223 b51469a0 Leon van Stuivenberg
static int q_pressed = 0;
224 1008ceb3 Michael Niedermayer
static int64_t video_size = 0;
225
static int64_t audio_size = 0;
226
static int64_t extra_size = 0;
227 a6a92a9a Wolfram Gloger
static int nb_frames_dup = 0;
228
static int nb_frames_drop = 0;
229 6e454c38 Luca Abeni
static int input_sync;
230 76bdac6d Stefano Sabatini
static uint64_t limit_filesize = 0;
231 d2845b75 Stefano Sabatini
static int force_fps = 0;
232 d9a916e2 Charles Yates
233 5b6d5596 Michael Niedermayer
static int pgmyuv_compatibility_hack=0;
234 a8482aab Michael Niedermayer
static float dts_delta_threshold = 10;
235 5b6d5596 Michael Niedermayer
236 e60da588 Michael Niedermayer
static unsigned int sws_flags = SWS_BICUBIC;
237 18a54b04 Luca Abeni
238 29cc1c23 Benoit Fouet
static int64_t timer_start;
239 8bbf6db9 Michael Niedermayer
240 3321cb3f Baptiste Coudurier
static uint8_t *audio_buf;
241
static uint8_t *audio_out;
242 b8919a30 Michael Niedermayer
unsigned int allocated_audio_out_size, allocated_audio_buf_size;
243 3321cb3f Baptiste Coudurier
244
static short *samples;
245
246 748c2fca Michael Niedermayer
static AVBitStreamFilterContext *video_bitstream_filters=NULL;
247
static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
248 e1cc8339 Reimar Döffinger
static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
249 5b6d5596 Michael Niedermayer
250 ad16627f Stefano Sabatini
#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
251 85f07f22 Fabrice Bellard
252 b4a3389e Wolfram Gloger
struct AVInputStream;
253
254 85f07f22 Fabrice Bellard
typedef struct AVOutputStream {
255
    int file_index;          /* file index */
256
    int index;               /* stream index in the output file */
257
    int source_index;        /* AVInputStream index */
258
    AVStream *st;            /* stream in the output file */
259 ec5517d5 Fabrice Bellard
    int encoding_needed;     /* true if encoding needed for this stream */
260
    int frame_number;
261
    /* input pts and corresponding output pts
262
       for A/V sync */
263 b4a3389e Wolfram Gloger
    //double sync_ipts;        /* dts from the AVPacket of the demuxer in second units */
264
    struct AVInputStream *sync_ist; /* input stream to sync against */
265 e928649b Michael Niedermayer
    int64_t sync_opts;       /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
266 0b6d358a Nicolas George
    AVBitStreamFilterContext *bitstream_filters;
267 85f07f22 Fabrice Bellard
    /* video only */
268 07d0cdfc Luca Abeni
    int video_resample;
269 a4d36c11 Michael Niedermayer
    AVFrame pict_tmp;      /* temporary image for resampling */
270 18a54b04 Luca Abeni
    struct SwsContext *img_resample_ctx; /* for image resampling */
271
    int resample_height;
272 352666c1 Eric Buehl
    int resample_width;
273 01a3c821 Jason Garrett-Glaser
    int resample_pix_fmt;
274 34b10a57 Dieter
275 352666c1 Eric Buehl
    /* full frame size of first frame */
276
    int original_height;
277
    int original_width;
278
279
    /* cropping area sizes */
280 07d0cdfc Luca Abeni
    int video_crop;
281 352666c1 Eric Buehl
    int topBand;
282
    int bottomBand;
283 34b10a57 Dieter
    int leftBand;
284 352666c1 Eric Buehl
    int rightBand;
285
286
    /* cropping area of first frame */
287
    int original_topBand;
288
    int original_bottomBand;
289
    int original_leftBand;
290
    int original_rightBand;
291 115329f1 Diego Biurrun
292 85f07f22 Fabrice Bellard
    /* audio only */
293
    int audio_resample;
294
    ReSampleContext *resample; /* for audio resampling */
295 a79db0f7 Peter Ross
    int reformat_pair;
296
    AVAudioConvert *reformat_ctx;
297 41dd680d Michael Niedermayer
    AVFifoBuffer *fifo;     /* for compression: one audio fifo per codec */
298 5abdb4b1 Fabrice Bellard
    FILE *logfile;
299 85f07f22 Fabrice Bellard
} AVOutputStream;
300
301 9fdf4b58 Nicolas George
static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
302
static int nb_output_streams_for_file[MAX_FILES] = { 0 };
303
304 85f07f22 Fabrice Bellard
typedef struct AVInputStream {
305
    int file_index;
306
    int index;
307
    AVStream *st;
308
    int discard;             /* true if stream data should be discarded */
309
    int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
310 0c1a9eda Zdenek Kabelac
    int64_t sample_index;      /* current sample */
311 bdfcbbed Max Krasnyansky
312
    int64_t       start;     /* time when read started */
313 254abc2e Fabrice Bellard
    int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
314
                                is not defined */
315 e7d0374f Roman Shaposhnik
    int64_t       pts;       /* current pts */
316 0ff4f0c0 Alexander Strange
    PtsCorrectionContext pts_ctx;
317 ff4905a5 Michael Niedermayer
    int is_start;            /* is 1 at the start and after a discontinuity */
318 3ff0daf0 Michael Niedermayer
    int showed_multi_packet_warning;
319 55a7e946 Wolfram Gloger
    int is_past_recording_time;
320 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
321 dfd57757 Stefano Sabatini
    AVFilterContext *output_video_filter;
322 46847a33 Michael Niedermayer
    AVFilterContext *input_video_filter;
323
    AVFrame *filter_frame;
324
    int has_filter_frame;
325 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *picref;
326 46847a33 Michael Niedermayer
#endif
327 85f07f22 Fabrice Bellard
} AVInputStream;
328
329
typedef struct AVInputFile {
330
    int eof_reached;      /* true if eof reached */
331
    int ist_index;        /* index of first stream in ist_table */
332
    int buffer_size;      /* current total buffer size */
333 79fdaa4c Fabrice Bellard
    int nb_streams;       /* nb streams we are aware of */
334 85f07f22 Fabrice Bellard
} AVInputFile;
335
336 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
337 bdc4796f Fabrice Bellard
338 85f07f22 Fabrice Bellard
/* init terminal so that we can grab keys */
339
static struct termios oldtty;
340 64f6e357 Måns Rullgård
#endif
341 85f07f22 Fabrice Bellard
342 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
343
344
static int get_filtered_video_pic(AVFilterContext *ctx,
345 ecc8dada S.N. Hemanth Meenakshisundaram
                                  AVFilterBufferRef **picref, AVFrame *pic2,
346 46847a33 Michael Niedermayer
                                  uint64_t *pts)
347
{
348 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *pic;
349 46847a33 Michael Niedermayer
350
    if(avfilter_request_frame(ctx->inputs[0]))
351
        return -1;
352 5d4890d7 S.N. Hemanth Meenakshisundaram
    if(!(pic = ctx->inputs[0]->cur_buf))
353 46847a33 Michael Niedermayer
        return -1;
354
    *picref = pic;
355 5d4890d7 S.N. Hemanth Meenakshisundaram
    ctx->inputs[0]->cur_buf = NULL;
356 46847a33 Michael Niedermayer
357
    *pts          = pic->pts;
358
359
    memcpy(pic2->data,     pic->data,     sizeof(pic->data));
360
    memcpy(pic2->linesize, pic->linesize, sizeof(pic->linesize));
361 cc80caff S.N. Hemanth Meenakshisundaram
    pic2->interlaced_frame = pic->video->interlaced;
362
    pic2->top_field_first  = pic->video->top_field_first;
363 46847a33 Michael Niedermayer
364
    return 1;
365
}
366
367
static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
368
{
369 a9f3cb93 Baptiste Coudurier
    AVFilterContext *last_filter, *filter;
370 46847a33 Michael Niedermayer
    /** filter graph containing all filters including input & output */
371
    AVCodecContext *codec = ost->st->codec;
372
    AVCodecContext *icodec = ist->st->codec;
373 f7ead94c Stefano Sabatini
    FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
374 46847a33 Michael Niedermayer
    char args[255];
375 4ddf0d29 Stefano Sabatini
    int ret;
376 46847a33 Michael Niedermayer
377 aa1249b8 Baptiste Coudurier
    graph = av_mallocz(sizeof(AVFilterGraph));
378 46847a33 Michael Niedermayer
379 4ddf0d29 Stefano Sabatini
    if ((ret = avfilter_open(&ist->input_video_filter, avfilter_get_by_name("buffer"), "src")) < 0)
380
        return ret;
381 f7ead94c Stefano Sabatini
    if ((ret = avfilter_open(&ist->output_video_filter, &ffsink, "out")) < 0)
382 4ddf0d29 Stefano Sabatini
        return ret;
383 46847a33 Michael Niedermayer
384 94498ec9 Stefano Sabatini
    snprintf(args, 255, "%d:%d:%d:%d:%d", ist->st->codec->width,
385
             ist->st->codec->height, ist->st->codec->pix_fmt,
386
             ist->st->time_base.num, ist->st->time_base.den);
387 4ddf0d29 Stefano Sabatini
    if ((ret = avfilter_init_filter(ist->input_video_filter, args, NULL)) < 0)
388
        return ret;
389 f7ead94c Stefano Sabatini
    if ((ret = avfilter_init_filter(ist->output_video_filter, NULL, &ffsink_ctx)) < 0)
390 4ddf0d29 Stefano Sabatini
        return ret;
391 46847a33 Michael Niedermayer
392
    /* add input and output filters to the overall graph */
393 aa1249b8 Baptiste Coudurier
    avfilter_graph_add_filter(graph, ist->input_video_filter);
394 dfd57757 Stefano Sabatini
    avfilter_graph_add_filter(graph, ist->output_video_filter);
395 46847a33 Michael Niedermayer
396 a9f3cb93 Baptiste Coudurier
    last_filter = ist->input_video_filter;
397 46847a33 Michael Niedermayer
398 79b90b25 Baptiste Coudurier
    if (ost->video_crop) {
399 2bc05d35 Stefano Sabatini
        snprintf(args, 255, "%d:%d:%d:%d",
400
                 codec->width, codec->height,
401
                 ost->leftBand, ost->topBand);
402 4ddf0d29 Stefano Sabatini
        if ((ret = avfilter_open(&filter, avfilter_get_by_name("crop"), NULL)) < 0)
403
            return ret;
404
        if ((ret = avfilter_init_filter(filter, args, NULL)) < 0)
405
            return ret;
406
        if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
407
            return ret;
408 a9f3cb93 Baptiste Coudurier
        last_filter = filter;
409
        avfilter_graph_add_filter(graph, last_filter);
410 46847a33 Michael Niedermayer
    }
411
412
    if((codec->width !=
413 0c22311b Michael Niedermayer
        icodec->width - (frame_leftBand + frame_rightBand)) ||
414
       (codec->height != icodec->height - (frame_topBand  + frame_bottomBand))) {
415 6e82e7fa Baptiste Coudurier
        snprintf(args, 255, "%d:%d:flags=0x%X",
416 0c22311b Michael Niedermayer
                 codec->width,
417
                 codec->height,
418 46847a33 Michael Niedermayer
                 (int)av_get_int(sws_opts, "sws_flags", NULL));
419 4ddf0d29 Stefano Sabatini
        if ((ret = avfilter_open(&filter, avfilter_get_by_name("scale"), NULL)) < 0)
420
            return ret;
421
        if ((ret = avfilter_init_filter(filter, args, NULL)) < 0)
422
            return ret;
423
        if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
424
            return ret;
425 a9f3cb93 Baptiste Coudurier
        last_filter = filter;
426
        avfilter_graph_add_filter(graph, last_filter);
427 46847a33 Michael Niedermayer
    }
428
429 f96363df Baptiste Coudurier
    snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
430
    graph->scale_sws_opts = av_strdup(args);
431
432 79b90b25 Baptiste Coudurier
    if (vfilters) {
433 46847a33 Michael Niedermayer
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
434
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
435
436
        outputs->name    = av_strdup("in");
437 a9f3cb93 Baptiste Coudurier
        outputs->filter  = last_filter;
438 46847a33 Michael Niedermayer
        outputs->pad_idx = 0;
439
        outputs->next    = NULL;
440
441
        inputs->name    = av_strdup("out");
442 dfd57757 Stefano Sabatini
        inputs->filter  = ist->output_video_filter;
443 46847a33 Michael Niedermayer
        inputs->pad_idx = 0;
444
        inputs->next    = NULL;
445
446 4ddf0d29 Stefano Sabatini
        if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
447
            return ret;
448 46847a33 Michael Niedermayer
        av_freep(&vfilters);
449
    } else {
450 dfd57757 Stefano Sabatini
        if ((ret = avfilter_link(last_filter, 0, ist->output_video_filter, 0)) < 0)
451 4ddf0d29 Stefano Sabatini
            return ret;
452 46847a33 Michael Niedermayer
    }
453
454 2a24df93 Stefano Sabatini
    if ((ret = avfilter_graph_config(graph, NULL)) < 0)
455 4ddf0d29 Stefano Sabatini
        return ret;
456 46847a33 Michael Niedermayer
457 dfd57757 Stefano Sabatini
    codec->width  = ist->output_video_filter->inputs[0]->w;
458
    codec->height = ist->output_video_filter->inputs[0]->h;
459 46847a33 Michael Niedermayer
460
    return 0;
461
}
462
#endif /* CONFIG_AVFILTER */
463
464 85f07f22 Fabrice Bellard
static void term_exit(void)
465
{
466 6b6bca64 Michael Niedermayer
    av_log(NULL, AV_LOG_QUIET, "");
467 64f6e357 Måns Rullgård
#if HAVE_TERMIOS_H
468 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &oldtty);
469 9a9509e6 Måns Rullgård
#endif
470 64f6e357 Måns Rullgård
}
471 85f07f22 Fabrice Bellard
472 e9a832e5 Martin Storsjö
static volatile int received_sigterm = 0;
473 9680a722 Roumen Petrov
474
static void
475
sigterm_handler(int sig)
476
{
477
    received_sigterm = sig;
478
    term_exit();
479
}
480
481 85f07f22 Fabrice Bellard
static void term_init(void)
482
{
483 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
484 85f07f22 Fabrice Bellard
    struct termios tty;
485
486
    tcgetattr (0, &tty);
487
    oldtty = tty;
488 9a9509e6 Måns Rullgård
    atexit(term_exit);
489 85f07f22 Fabrice Bellard
490
    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
491
                          |INLCR|IGNCR|ICRNL|IXON);
492
    tty.c_oflag |= OPOST;
493
    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
494
    tty.c_cflag &= ~(CSIZE|PARENB);
495
    tty.c_cflag |= CS8;
496
    tty.c_cc[VMIN] = 1;
497
    tty.c_cc[VTIME] = 0;
498 115329f1 Diego Biurrun
499 85f07f22 Fabrice Bellard
    tcsetattr (0, TCSANOW, &tty);
500 d86b83f8 Ramiro Polla
    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
501
#endif
502 85f07f22 Fabrice Bellard
503 9680a722 Roumen Petrov
    signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
504
    signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
505 ffcc6e24 Måns Rullgård
#ifdef SIGXCPU
506
    signal(SIGXCPU, sigterm_handler);
507
#endif
508 85f07f22 Fabrice Bellard
}
509
510
/* read a key without blocking */
511
static int read_key(void)
512
{
513 b250f9c6 Aurelien Jacobs
#if HAVE_TERMIOS_H
514 9ddd71fc François Revol
    int n = 1;
515 85f07f22 Fabrice Bellard
    unsigned char ch;
516 9ddd71fc François Revol
    struct timeval tv;
517 85f07f22 Fabrice Bellard
    fd_set rfds;
518
519
    FD_ZERO(&rfds);
520
    FD_SET(0, &rfds);
521
    tv.tv_sec = 0;
522
    tv.tv_usec = 0;
523
    n = select(1, &rfds, NULL, NULL, &tv);
524
    if (n > 0) {
525 cb09b2ed Philip Gladstone
        n = read(0, &ch, 1);
526
        if (n == 1)
527 85f07f22 Fabrice Bellard
            return ch;
528 cb09b2ed Philip Gladstone
529
        return n;
530 85f07f22 Fabrice Bellard
    }
531 b250f9c6 Aurelien Jacobs
#elif HAVE_CONIO_H
532 4b54c6d0 Ramiro Polla
    if(kbhit())
533
        return(getch());
534 d86b83f8 Ramiro Polla
#endif
535 85f07f22 Fabrice Bellard
    return -1;
536
}
537
538 b51469a0 Leon van Stuivenberg
static int decode_interrupt_cb(void)
539
{
540
    return q_pressed || (q_pressed = read_key() == 'q');
541
}
542
543 639e4ec8 Stefano Sabatini
static int ffmpeg_exit(int ret)
544 e5295c0d Ramiro Polla
{
545
    int i;
546
547
    /* close files */
548
    for(i=0;i<nb_output_files;i++) {
549
        /* maybe av_close_output_file ??? */
550
        AVFormatContext *s = output_files[i];
551
        int j;
552 8767060c Ramiro Polla
        if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
553 e5295c0d Ramiro Polla
            url_fclose(s->pb);
554
        for(j=0;j<s->nb_streams;j++) {
555 094d9df7 Aurelien Jacobs
            av_metadata_free(&s->streams[j]->metadata);
556 e5295c0d Ramiro Polla
            av_free(s->streams[j]->codec);
557 fd0368e7 Aurelien Jacobs
            av_free(s->streams[j]->info);
558 e5295c0d Ramiro Polla
            av_free(s->streams[j]);
559
        }
560 094d9df7 Aurelien Jacobs
        for(j=0;j<s->nb_programs;j++) {
561
            av_metadata_free(&s->programs[j]->metadata);
562
        }
563
        for(j=0;j<s->nb_chapters;j++) {
564
            av_metadata_free(&s->chapters[j]->metadata);
565
        }
566
        av_metadata_free(&s->metadata);
567 e5295c0d Ramiro Polla
        av_free(s);
568 9fdf4b58 Nicolas George
        av_free(output_streams_for_file[i]);
569 e5295c0d Ramiro Polla
    }
570 2c6958aa Aurelien Jacobs
    for(i=0;i<nb_input_files;i++) {
571 e5295c0d Ramiro Polla
        av_close_input_file(input_files[i]);
572 2c6958aa Aurelien Jacobs
        av_free(input_files_ts_scale[i]);
573
    }
574 e5295c0d Ramiro Polla
575
    av_free(intra_matrix);
576
    av_free(inter_matrix);
577
578
    if (vstats_file)
579
        fclose(vstats_file);
580
    av_free(vstats_filename);
581
582
    av_free(opt_names);
583 e640f261 Aurelien Jacobs
    av_free(streamid_map);
584 311e223f Aurelien Jacobs
    av_free(input_codecs);
585 0a6d97b3 Aurelien Jacobs
    av_free(output_codecs);
586 3a8e8824 Aurelien Jacobs
    av_free(stream_maps);
587 e5295c0d Ramiro Polla
588
    av_free(video_codec_name);
589
    av_free(audio_codec_name);
590
    av_free(subtitle_codec_name);
591
592
    av_free(video_standard);
593
594 a5c33faa Reimar Döffinger
    uninit_opts();
595 3321cb3f Baptiste Coudurier
    av_free(audio_buf);
596
    av_free(audio_out);
597 b8919a30 Michael Niedermayer
    allocated_audio_buf_size= allocated_audio_out_size= 0;
598 3321cb3f Baptiste Coudurier
    av_free(samples);
599 5973490a Baptiste Coudurier
600 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
601
    avfilter_uninit();
602
#endif
603
604 e5295c0d Ramiro Polla
    if (received_sigterm) {
605
        fprintf(stderr,
606
            "Received signal %d: terminating.\n",
607
            (int) received_sigterm);
608
        exit (255);
609
    }
610
611 296df4e7 Ramiro Polla
    exit(ret); /* not all OS-es handle main() return value */
612
    return ret;
613 dba249ab Aurelien Jacobs
}
614
615
/* similar to ff_dynarray_add() and av_fast_realloc() */
616
static void *grow_array(void *array, int elem_size, int *size, int new_size)
617
{
618
    if (new_size >= INT_MAX / elem_size) {
619
        fprintf(stderr, "Array too big.\n");
620
        ffmpeg_exit(1);
621
    }
622
    if (*size < new_size) {
623
        uint8_t *tmp = av_realloc(array, new_size*elem_size);
624
        if (!tmp) {
625
            fprintf(stderr, "Could not alloc buffer.\n");
626
            ffmpeg_exit(1);
627
        }
628
        memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
629
        *size = new_size;
630
        return tmp;
631
    }
632
    return array;
633 e5295c0d Ramiro Polla
}
634
635 aa1de0d9 Ronald S. Bultje
static void choose_sample_fmt(AVStream *st, AVCodec *codec)
636
{
637
    if(codec && codec->sample_fmts){
638
        const enum SampleFormat *p= codec->sample_fmts;
639
        for(; *p!=-1; p++){
640
            if(*p == st->codec->sample_fmt)
641
                break;
642
        }
643
        if(*p == -1)
644
            st->codec->sample_fmt = codec->sample_fmts[0];
645
    }
646
}
647
648 10d0f5e0 Michael Niedermayer
static void choose_sample_rate(AVStream *st, AVCodec *codec)
649
{
650
    if(codec && codec->supported_samplerates){
651
        const int *p= codec->supported_samplerates;
652 3c5e1b36 Baptiste Coudurier
        int best=0;
653 10d0f5e0 Michael Niedermayer
        int best_dist=INT_MAX;
654
        for(; *p; p++){
655
            int dist= abs(st->codec->sample_rate - *p);
656
            if(dist < best_dist){
657
                best_dist= dist;
658
                best= *p;
659
            }
660
        }
661 ff866063 Michael Niedermayer
        if(best_dist){
662
            av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
663
        }
664 10d0f5e0 Michael Niedermayer
        st->codec->sample_rate= best;
665
    }
666
}
667
668 aa1de0d9 Ronald S. Bultje
static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
669
{
670
    if(codec && codec->pix_fmts){
671
        const enum PixelFormat *p= codec->pix_fmts;
672
        for(; *p!=-1; p++){
673
            if(*p == st->codec->pix_fmt)
674
                break;
675
        }
676
        if(*p == -1
677
           && !(   st->codec->codec_id==CODEC_ID_MJPEG
678 2d525ef4 Rodney Baker
                && st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL
679 aa1de0d9 Ronald S. Bultje
                && (   st->codec->pix_fmt == PIX_FMT_YUV420P
680
                    || st->codec->pix_fmt == PIX_FMT_YUV422P)))
681
            st->codec->pix_fmt = codec->pix_fmts[0];
682
    }
683
}
684
685 b29f97d1 Zdenek Kabelac
static int read_ffserver_streams(AVFormatContext *s, const char *filename)
686 85f07f22 Fabrice Bellard
{
687 79fdaa4c Fabrice Bellard
    int i, err;
688 85f07f22 Fabrice Bellard
    AVFormatContext *ic;
689 3438d82d Baptiste Coudurier
    int nopts = 0;
690 85f07f22 Fabrice Bellard
691 79fdaa4c Fabrice Bellard
    err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
692
    if (err < 0)
693
        return err;
694 85f07f22 Fabrice Bellard
    /* copy stream format */
695
    s->nb_streams = ic->nb_streams;
696
    for(i=0;i<ic->nb_streams;i++) {
697
        AVStream *st;
698 d9521cb1 Ronald S. Bultje
        AVCodec *codec;
699 1e491e29 Michael Niedermayer
700 f37f8d4c Alex Beregszaszi
        // FIXME: a more elegant solution is needed
701 e1031171 Alex Beregszaszi
        st = av_mallocz(sizeof(AVStream));
702 85f07f22 Fabrice Bellard
        memcpy(st, ic->streams[i], sizeof(AVStream));
703 f37f8d4c Alex Beregszaszi
        st->codec = avcodec_alloc_context();
704 7ef61879 Ramiro Polla
        if (!st->codec) {
705
            print_error(filename, AVERROR(ENOMEM));
706 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
707 7ef61879 Ramiro Polla
        }
708 d9521cb1 Ronald S. Bultje
        avcodec_copy_context(st->codec, ic->streams[i]->codec);
709 85f07f22 Fabrice Bellard
        s->streams[i] = st;
710 837d248d Baptiste Coudurier
711 d9521cb1 Ronald S. Bultje
        codec = avcodec_find_encoder(st->codec->codec_id);
712
        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
713
            if (audio_stream_copy) {
714
                st->stream_copy = 1;
715
            } else
716
                choose_sample_fmt(st, codec);
717
        } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
718
            if (video_stream_copy) {
719
                st->stream_copy = 1;
720
            } else
721
                choose_pixel_fmt(st, codec);
722
        }
723 837d248d Baptiste Coudurier
724 dbedf2aa Baptiste Coudurier
        if(!st->codec->thread_count)
725
            st->codec->thread_count = 1;
726
        if(st->codec->thread_count>1)
727
            avcodec_thread_init(st->codec, st->codec->thread_count);
728
729 3438d82d Baptiste Coudurier
        if(st->codec->flags & CODEC_FLAG_BITEXACT)
730
            nopts = 1;
731 85f07f22 Fabrice Bellard
    }
732
733 3438d82d Baptiste Coudurier
    if (!nopts)
734
        s->timestamp = av_gettime();
735
736 85f07f22 Fabrice Bellard
    av_close_input_file(ic);
737
    return 0;
738
}
739
740 b4a3389e Wolfram Gloger
static double
741
get_sync_ipts(const AVOutputStream *ost)
742
{
743
    const AVInputStream *ist = ost->sync_ist;
744 fec401f7 Michael Niedermayer
    return (double)(ist->pts - start_time)/AV_TIME_BASE;
745 b4a3389e Wolfram Gloger
}
746
747 748c2fca Michael Niedermayer
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
748 0ac07031 Michael Niedermayer
    int ret;
749
750 748c2fca Michael Niedermayer
    while(bsfc){
751
        AVPacket new_pkt= *pkt;
752
        int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
753
                                          &new_pkt.data, &new_pkt.size,
754
                                          pkt->data, pkt->size,
755 cc947f04 Jean-Daniel Dupas
                                          pkt->flags & AV_PKT_FLAG_KEY);
756 7055cdac Benoit Fouet
        if(a>0){
757 748c2fca Michael Niedermayer
            av_free_packet(pkt);
758
            new_pkt.destruct= av_destruct_packet;
759 7055cdac Benoit Fouet
        } else if(a<0){
760 1f8e32cd Diego Biurrun
            fprintf(stderr, "%s failed for stream %d, codec %s",
761
                    bsfc->filter->name, pkt->stream_index,
762
                    avctx->codec ? avctx->codec->name : "copy");
763 7055cdac Benoit Fouet
            print_error("", a);
764 f2abc559 Baptiste Coudurier
            if (exit_on_error)
765 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
766 748c2fca Michael Niedermayer
        }
767
        *pkt= new_pkt;
768
769
        bsfc= bsfc->next;
770
    }
771
772 0ac07031 Michael Niedermayer
    ret= av_interleaved_write_frame(s, pkt);
773
    if(ret < 0){
774
        print_error("av_interleaved_write_frame()", ret);
775 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
776 0ac07031 Michael Niedermayer
    }
777 748c2fca Michael Niedermayer
}
778
779 817b23ff Fabrice Bellard
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
780 85f07f22 Fabrice Bellard
781 115329f1 Diego Biurrun
static void do_audio_out(AVFormatContext *s,
782
                         AVOutputStream *ost,
783 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
784
                         unsigned char *buf, int size)
785
{
786 0c1a9eda Zdenek Kabelac
    uint8_t *buftmp;
787 15bfe412 Michael Niedermayer
    int64_t audio_out_size, audio_buf_size;
788 7a086a85 Michael Niedermayer
    int64_t allocated_for_size= size;
789 d66c7abc Sylvain Corré
790 85f07f22 Fabrice Bellard
    int size_out, frame_bytes, ret;
791 01f4895c Michael Niedermayer
    AVCodecContext *enc= ost->st->codec;
792 2886f311 Andreas Öman
    AVCodecContext *dec= ist->st->codec;
793 287ba997 Peter Ross
    int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
794
    int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
795 15bfe412 Michael Niedermayer
    const int coded_bps = av_get_bits_per_sample(enc->codec->id);
796
797 7a086a85 Michael Niedermayer
need_realloc:
798
    audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
799 15bfe412 Michael Niedermayer
    audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
800 8b484d0f Vitor Sessak
    audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
801 79c85beb Justin Ruggles
    audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
802 15bfe412 Michael Niedermayer
    audio_buf_size*= osize*enc->channels;
803
804
    audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
805
    if(coded_bps > 8*osize)
806
        audio_out_size= audio_out_size * coded_bps / (8*osize);
807
    audio_out_size += FF_MIN_BUFFER_SIZE;
808
809
    if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
810
        fprintf(stderr, "Buffer sizes too large\n");
811 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
812 15bfe412 Michael Niedermayer
    }
813 85f07f22 Fabrice Bellard
814 b8919a30 Michael Niedermayer
    av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
815
    av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
816 e185a2f6 Michael Niedermayer
    if (!audio_buf || !audio_out){
817
        fprintf(stderr, "Out of memory in do_audio_out\n");
818 639e4ec8 Stefano Sabatini
        ffmpeg_exit(1);
819 e185a2f6 Michael Niedermayer
    }
820 d66c7abc Sylvain Corré
821 2886f311 Andreas Öman
    if (enc->channels != dec->channels)
822
        ost->audio_resample = 1;
823
824
    if (ost->audio_resample && !ost->resample) {
825 d1e3c6fd Baptiste Coudurier
        if (dec->sample_fmt != SAMPLE_FMT_S16)
826
            fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
827
        ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
828
                                               enc->sample_rate, dec->sample_rate,
829
                                               enc->sample_fmt,  dec->sample_fmt,
830
                                               16, 10, 0, 0.8);
831 2886f311 Andreas Öman
        if (!ost->resample) {
832
            fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
833
                    dec->channels, dec->sample_rate,
834
                    enc->channels, enc->sample_rate);
835 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
836 2886f311 Andreas Öman
        }
837
    }
838
839 a79db0f7 Peter Ross
#define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
840 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
841 a79db0f7 Peter Ross
        MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
842
        if (ost->reformat_ctx)
843
            av_audio_convert_free(ost->reformat_ctx);
844
        ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
845
                                                   dec->sample_fmt, 1, NULL, 0);
846
        if (!ost->reformat_ctx) {
847
            fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
848
                avcodec_get_sample_fmt_name(dec->sample_fmt),
849
                avcodec_get_sample_fmt_name(enc->sample_fmt));
850 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
851 a79db0f7 Peter Ross
        }
852
        ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
853
    }
854
855 986ebcdb Michael Niedermayer
    if(audio_sync_method){
856 115329f1 Diego Biurrun
        double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
857 37f5a713 Justin Ruggles
                - av_fifo_size(ost->fifo)/(enc->channels * 2);
858
        double idelta= delta*dec->sample_rate / enc->sample_rate;
859 ff19d16b Justin Ruggles
        int byte_delta= ((int)idelta)*2*dec->channels;
860 ff4905a5 Michael Niedermayer
861 986ebcdb Michael Niedermayer
        //FIXME resample delay
862
        if(fabs(delta) > 50){
863 d4d226a8 Michael Niedermayer
            if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
864 ff4905a5 Michael Niedermayer
                if(byte_delta < 0){
865 f41dd5aa Michael Niedermayer
                    byte_delta= FFMAX(byte_delta, -size);
866 ff4905a5 Michael Niedermayer
                    size += byte_delta;
867
                    buf  -= byte_delta;
868
                    if(verbose > 2)
869
                        fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
870
                    if(!size)
871
                        return;
872
                    ist->is_start=0;
873
                }else{
874
                    static uint8_t *input_tmp= NULL;
875
                    input_tmp= av_realloc(input_tmp, byte_delta + size);
876
877 7a086a85 Michael Niedermayer
                    if(byte_delta > allocated_for_size - size){
878
                        allocated_for_size= byte_delta + (int64_t)size;
879
                        goto need_realloc;
880
                    }
881
                    ist->is_start=0;
882 ff4905a5 Michael Niedermayer
883
                    memset(input_tmp, 0, byte_delta);
884
                    memcpy(input_tmp + byte_delta, buf, size);
885
                    buf= input_tmp;
886
                    size += byte_delta;
887
                    if(verbose > 2)
888
                        fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
889
                }
890
            }else if(audio_sync_method>1){
891 f66e4f5f Reimar Döffinger
                int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
892 b926b628 Michael Niedermayer
                av_assert0(ost->audio_resample);
893 ff4905a5 Michael Niedermayer
                if(verbose > 2)
894
                    fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
895 41dd680d Michael Niedermayer
//                fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
896 ff4905a5 Michael Niedermayer
                av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
897
            }
898 115329f1 Diego Biurrun
        }
899 986ebcdb Michael Niedermayer
    }else
900 b4a3389e Wolfram Gloger
        ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
901 37f5a713 Justin Ruggles
                        - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
902 85f07f22 Fabrice Bellard
903
    if (ost->audio_resample) {
904
        buftmp = audio_buf;
905 115329f1 Diego Biurrun
        size_out = audio_resample(ost->resample,
906 85f07f22 Fabrice Bellard
                                  (short *)buftmp, (short *)buf,
907 37f5a713 Justin Ruggles
                                  size / (dec->channels * isize));
908 287ba997 Peter Ross
        size_out = size_out * enc->channels * osize;
909 85f07f22 Fabrice Bellard
    } else {
910
        buftmp = buf;
911
        size_out = size;
912
    }
913
914 d1e3c6fd Baptiste Coudurier
    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
915 a79db0f7 Peter Ross
        const void *ibuf[6]= {buftmp};
916 80f47250 Michael Niedermayer
        void *obuf[6]= {audio_buf};
917 287ba997 Peter Ross
        int istride[6]= {isize};
918
        int ostride[6]= {osize};
919 a79db0f7 Peter Ross
        int len= size_out/istride[0];
920
        if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
921
            printf("av_audio_convert() failed\n");
922 f2abc559 Baptiste Coudurier
            if (exit_on_error)
923 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
924 a79db0f7 Peter Ross
            return;
925
        }
926 80f47250 Michael Niedermayer
        buftmp = audio_buf;
927 287ba997 Peter Ross
        size_out = len*osize;
928 a79db0f7 Peter Ross
    }
929
930 85f07f22 Fabrice Bellard
    /* now encode as many frames as possible */
931 a0663ba4 Fabrice Bellard
    if (enc->frame_size > 1) {
932 85f07f22 Fabrice Bellard
        /* output resampled raw samples */
933 41dd680d Michael Niedermayer
        if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
934 745b39d5 Stefano Sabatini
            fprintf(stderr, "av_fifo_realloc2() failed\n");
935 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
936 745b39d5 Stefano Sabatini
        }
937 41dd680d Michael Niedermayer
        av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
938 85f07f22 Fabrice Bellard
939 287ba997 Peter Ross
        frame_bytes = enc->frame_size * osize * enc->channels;
940 115329f1 Diego Biurrun
941 41dd680d Michael Niedermayer
        while (av_fifo_size(ost->fifo) >= frame_bytes) {
942 e928649b Michael Niedermayer
            AVPacket pkt;
943
            av_init_packet(&pkt);
944
945 3898eed8 Reimar Döffinger
            av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
946 0871ae1a Michael Niedermayer
947 5bc440e7 Michael Niedermayer
            //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
948
949 115329f1 Diego Biurrun
            ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
950 a0663ba4 Fabrice Bellard
                                       (short *)audio_buf);
951 528271ff Michael Niedermayer
            if (ret < 0) {
952
                fprintf(stderr, "Audio encoding failed\n");
953 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
954 528271ff Michael Niedermayer
            }
955 1008ceb3 Michael Niedermayer
            audio_size += ret;
956 e928649b Michael Niedermayer
            pkt.stream_index= ost->index;
957
            pkt.data= audio_out;
958
            pkt.size= ret;
959 e7902f20 Michael Niedermayer
            if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
960 c0df9d75 Michael Niedermayer
                pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
961 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
962 0b6d358a Nicolas George
            write_frame(s, &pkt, enc, ost->bitstream_filters);
963 115329f1 Diego Biurrun
964 986ebcdb Michael Niedermayer
            ost->sync_opts += enc->frame_size;
965 85f07f22 Fabrice Bellard
        }
966
    } else {
967 e928649b Michael Niedermayer
        AVPacket pkt;
968
        av_init_packet(&pkt);
969 986ebcdb Michael Niedermayer
970 287ba997 Peter Ross
        ost->sync_opts += size_out / (osize * enc->channels);
971 986ebcdb Michael Niedermayer
972 a0663ba4 Fabrice Bellard
        /* output a pcm frame */
973 287ba997 Peter Ross
        /* determine the size of the coded buffer */
974
        size_out /= osize;
975
        if (coded_bps)
976 060b8592 Michael Niedermayer
            size_out = size_out*coded_bps/8;
977 287ba997 Peter Ross
978 5ee05a62 Michael Niedermayer
        if(size_out > audio_out_size){
979
            fprintf(stderr, "Internal error, buffer size too small\n");
980 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
981 5ee05a62 Michael Niedermayer
        }
982
983 5bc440e7 Michael Niedermayer
        //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
984 115329f1 Diego Biurrun
        ret = avcodec_encode_audio(enc, audio_out, size_out,
985 bb270c08 Diego Biurrun
                                   (short *)buftmp);
986 528271ff Michael Niedermayer
        if (ret < 0) {
987
            fprintf(stderr, "Audio encoding failed\n");
988 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
989 528271ff Michael Niedermayer
        }
990 1008ceb3 Michael Niedermayer
        audio_size += ret;
991 e928649b Michael Niedermayer
        pkt.stream_index= ost->index;
992
        pkt.data= audio_out;
993
        pkt.size= ret;
994 e7902f20 Michael Niedermayer
        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
995 c0df9d75 Michael Niedermayer
            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
996 cc947f04 Jean-Daniel Dupas
        pkt.flags |= AV_PKT_FLAG_KEY;
997 0b6d358a Nicolas George
        write_frame(s, &pkt, enc, ost->bitstream_filters);
998 85f07f22 Fabrice Bellard
    }
999
}
1000
1001 10d104e4 Philip Gladstone
static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1002
{
1003
    AVCodecContext *dec;
1004
    AVPicture *picture2;
1005
    AVPicture picture_tmp;
1006 0c1a9eda Zdenek Kabelac
    uint8_t *buf = 0;
1007 10d104e4 Philip Gladstone
1008 01f4895c Michael Niedermayer
    dec = ist->st->codec;
1009 10d104e4 Philip Gladstone
1010
    /* deinterlace : must be done before any resize */
1011 fdf11906 Diego Biurrun
    if (do_deinterlace) {
1012 10d104e4 Philip Gladstone
        int size;
1013
1014
        /* create temporary picture */
1015
        size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1016
        buf = av_malloc(size);
1017
        if (!buf)
1018
            return;
1019 115329f1 Diego Biurrun
1020 10d104e4 Philip Gladstone
        picture2 = &picture_tmp;
1021
        avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1022
1023 9e1cc598 Ramiro Polla
        if(avpicture_deinterlace(picture2, picture,
1024
                                 dec->pix_fmt, dec->width, dec->height) < 0) {
1025
            /* if error, do not deinterlace */
1026
            fprintf(stderr, "Deinterlacing failed\n");
1027
            av_free(buf);
1028
            buf = NULL;
1029
            picture2 = picture;
1030
        }
1031 10d104e4 Philip Gladstone
    } else {
1032
        picture2 = picture;
1033
    }
1034
1035
    if (picture != picture2)
1036
        *picture = *picture2;
1037
    *bufp = buf;
1038
}
1039
1040 ec5517d5 Fabrice Bellard
/* we begin to correct av delay at this threshold */
1041
#define AV_DELAY_MAX 0.100
1042 85f07f22 Fabrice Bellard
1043 115329f1 Diego Biurrun
static void do_subtitle_out(AVFormatContext *s,
1044
                            AVOutputStream *ost,
1045 cf7fc795 Fabrice Bellard
                            AVInputStream *ist,
1046
                            AVSubtitle *sub,
1047
                            int64_t pts)
1048
{
1049
    static uint8_t *subtitle_out = NULL;
1050 7f4fca03 Reimar Döffinger
    int subtitle_out_max_size = 1024 * 1024;
1051 cf7fc795 Fabrice Bellard
    int subtitle_out_size, nb, i;
1052
    AVCodecContext *enc;
1053
    AVPacket pkt;
1054
1055
    if (pts == AV_NOPTS_VALUE) {
1056
        fprintf(stderr, "Subtitle packets must have a pts\n");
1057 f2abc559 Baptiste Coudurier
        if (exit_on_error)
1058 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1059 cf7fc795 Fabrice Bellard
        return;
1060
    }
1061
1062 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1063 cf7fc795 Fabrice Bellard
1064
    if (!subtitle_out) {
1065
        subtitle_out = av_malloc(subtitle_out_max_size);
1066
    }
1067
1068
    /* Note: DVB subtitle need one packet to draw them and one other
1069
       packet to clear them */
1070
    /* XXX: signal it in the codec context ? */
1071
    if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1072
        nb = 2;
1073
    else
1074
        nb = 1;
1075
1076
    for(i = 0; i < nb; i++) {
1077 4bbe788a Reimar Döffinger
        sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1078 8b03c014 Reimar Döffinger
        // start_display_time is required to be 0
1079
        sub->pts              += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1080
        sub->end_display_time -= sub->start_display_time;
1081
        sub->start_display_time = 0;
1082 115329f1 Diego Biurrun
        subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1083 cf7fc795 Fabrice Bellard
                                                    subtitle_out_max_size, sub);
1084 266649a5 Reimar Döffinger
        if (subtitle_out_size < 0) {
1085
            fprintf(stderr, "Subtitle encoding failed\n");
1086 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1087 266649a5 Reimar Döffinger
        }
1088 115329f1 Diego Biurrun
1089 cf7fc795 Fabrice Bellard
        av_init_packet(&pkt);
1090
        pkt.stream_index = ost->index;
1091
        pkt.data = subtitle_out;
1092
        pkt.size = subtitle_out_size;
1093 8b03c014 Reimar Döffinger
        pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1094 cf7fc795 Fabrice Bellard
        if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1095
            /* XXX: the pts correction is handled here. Maybe handling
1096
               it in the codec would be better */
1097
            if (i == 0)
1098
                pkt.pts += 90 * sub->start_display_time;
1099
            else
1100
                pkt.pts += 90 * sub->end_display_time;
1101
        }
1102 0b6d358a Nicolas George
        write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1103 cf7fc795 Fabrice Bellard
    }
1104
}
1105
1106 8a6cb114 Michael Niedermayer
static int bit_buffer_size= 1024*256;
1107 27537106 Michael Niedermayer
static uint8_t *bit_buffer= NULL;
1108 1ff93ffc Todd Kirby
1109 115329f1 Diego Biurrun
static void do_video_out(AVFormatContext *s,
1110
                         AVOutputStream *ost,
1111 85f07f22 Fabrice Bellard
                         AVInputStream *ist,
1112 7a0f9d7e Fabrice Bellard
                         AVFrame *in_picture,
1113 986ebcdb Michael Niedermayer
                         int *frame_size)
1114 85f07f22 Fabrice Bellard
{
1115 ec5517d5 Fabrice Bellard
    int nb_frames, i, ret;
1116 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
1117 352666c1 Eric Buehl
    int64_t topBand, bottomBand, leftBand, rightBand;
1118 46847a33 Michael Niedermayer
#endif
1119 07d0cdfc Luca Abeni
    AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
1120 18a54b04 Luca Abeni
    AVFrame picture_crop_temp, picture_pad_temp;
1121 cfcf0ffd Fabrice Bellard
    AVCodecContext *enc, *dec;
1122 47b229db Alexander Strange
    double sync_ipts;
1123 115329f1 Diego Biurrun
1124 a4d36c11 Michael Niedermayer
    avcodec_get_frame_defaults(&picture_crop_temp);
1125 07d0cdfc Luca Abeni
    avcodec_get_frame_defaults(&picture_pad_temp);
1126 a4d36c11 Michael Niedermayer
1127 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1128
    dec = ist->st->codec;
1129 85f07f22 Fabrice Bellard
1130 47b229db Alexander Strange
    sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1131
1132 ec5517d5 Fabrice Bellard
    /* by default, we output a single frame */
1133
    nb_frames = 1;
1134
1135 204c0f48 Philip Gladstone
    *frame_size = 0;
1136
1137 9ff261a2 Michael Niedermayer
    if(video_sync_method){
1138 d55065a2 Alexander Strange
        double vdelta = sync_ipts - ost->sync_opts;
1139 e928649b Michael Niedermayer
        //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1140
        if (vdelta < -1.1)
1141
            nb_frames = 0;
1142 e6fdc2b1 Michael Niedermayer
        else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1143
            if(vdelta<=-0.6){
1144
                nb_frames=0;
1145
            }else if(vdelta>0.6)
1146 47b229db Alexander Strange
            ost->sync_opts= lrintf(sync_ipts);
1147 e6fdc2b1 Michael Niedermayer
        }else if (vdelta > 1.1)
1148 70122f29 Michael Niedermayer
            nb_frames = lrintf(vdelta);
1149 fc6765d7 Michael Niedermayer
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1150 50c3dd32 Michael Niedermayer
        if (nb_frames == 0){
1151
            ++nb_frames_drop;
1152
            if (verbose>2)
1153
                fprintf(stderr, "*** drop!\n");
1154 8300609b Michael Niedermayer
        }else if (nb_frames > 1) {
1155 ed30e518 Michael Niedermayer
            nb_frames_dup += nb_frames - 1;
1156 50c3dd32 Michael Niedermayer
            if (verbose>2)
1157 8300609b Michael Niedermayer
                fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1158 50c3dd32 Michael Niedermayer
        }
1159
    }else
1160 47b229db Alexander Strange
        ost->sync_opts= lrintf(sync_ipts);
1161 445f1b83 Roman Shaposhnik
1162 72415b2a Stefano Sabatini
    nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1163 115329f1 Diego Biurrun
    if (nb_frames <= 0)
1164 85f07f22 Fabrice Bellard
        return;
1165 ce7c56c2 Juanjo
1166 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1167
    formatted_picture = in_picture;
1168
#else
1169 07d0cdfc Luca Abeni
    if (ost->video_crop) {
1170 636d6a4a Panagiotis Issaris
        if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
1171 49a06a4d Benoit Fouet
            fprintf(stderr, "error cropping picture\n");
1172 f2abc559 Baptiste Coudurier
            if (exit_on_error)
1173 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1174 4e780252 Limin Wang
            return;
1175 07d0cdfc Luca Abeni
        }
1176
        formatted_picture = &picture_crop_temp;
1177 18a54b04 Luca Abeni
    } else {
1178
        formatted_picture = in_picture;
1179 07d0cdfc Luca Abeni
    }
1180 46847a33 Michael Niedermayer
#endif
1181 07d0cdfc Luca Abeni
1182
    final_picture = formatted_picture;
1183
    padding_src = formatted_picture;
1184
    resampling_dst = &ost->pict_tmp;
1185
1186 b83ccbff Michael Niedermayer
    if(    (ost->resample_height != (ist->st->codec->height - (ost->topBand  + ost->bottomBand)))
1187
        || (ost->resample_width  != (ist->st->codec->width  - (ost->leftBand + ost->rightBand)))
1188
        || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1189
1190
        fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width,     ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
1191
        if(!ost->video_resample)
1192 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1193 b83ccbff Michael Niedermayer
    }
1194
1195 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
1196 85f07f22 Fabrice Bellard
    if (ost->video_resample) {
1197 07d0cdfc Luca Abeni
        padding_src = NULL;
1198 34b10a57 Dieter
        final_picture = &ost->pict_tmp;
1199 352666c1 Eric Buehl
        if(  (ost->resample_height != (ist->st->codec->height - (ost->topBand  + ost->bottomBand)))
1200 01a3c821 Jason Garrett-Glaser
          || (ost->resample_width  != (ist->st->codec->width  - (ost->leftBand + ost->rightBand)))
1201
          || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1202 352666c1 Eric Buehl
1203
            /* keep bands proportional to the frame size */
1204
            topBand    = ((int64_t)ist->st->codec->height * ost->original_topBand    / ost->original_height) & ~1;
1205
            bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1206
            leftBand   = ((int64_t)ist->st->codec->width  * ost->original_leftBand   / ost->original_width)  & ~1;
1207
            rightBand  = ((int64_t)ist->st->codec->width  * ost->original_rightBand  / ost->original_width)  & ~1;
1208
1209
            /* sanity check to ensure no bad band sizes sneak in */
1210 b926b628 Michael Niedermayer
            av_assert0(topBand    <= INT_MAX && topBand    >= 0);
1211
            av_assert0(bottomBand <= INT_MAX && bottomBand >= 0);
1212
            av_assert0(leftBand   <= INT_MAX && leftBand   >= 0);
1213
            av_assert0(rightBand  <= INT_MAX && rightBand  >= 0);
1214 352666c1 Eric Buehl
1215
            ost->topBand    = topBand;
1216
            ost->bottomBand = bottomBand;
1217
            ost->leftBand   = leftBand;
1218
            ost->rightBand  = rightBand;
1219
1220
            ost->resample_height = ist->st->codec->height - (ost->topBand  + ost->bottomBand);
1221
            ost->resample_width  = ist->st->codec->width  - (ost->leftBand + ost->rightBand);
1222 01a3c821 Jason Garrett-Glaser
            ost->resample_pix_fmt= ist->st->codec->pix_fmt;
1223 352666c1 Eric Buehl
1224
            /* initialize a new scaler context */
1225
            sws_freeContext(ost->img_resample_ctx);
1226
            sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1227
            ost->img_resample_ctx = sws_getContext(
1228
                ist->st->codec->width  - (ost->leftBand + ost->rightBand),
1229
                ist->st->codec->height - (ost->topBand  + ost->bottomBand),
1230
                ist->st->codec->pix_fmt,
1231 0c22311b Michael Niedermayer
                ost->st->codec->width,
1232
                ost->st->codec->height,
1233 352666c1 Eric Buehl
                ost->st->codec->pix_fmt,
1234
                sws_flags, NULL, NULL, NULL);
1235
            if (ost->img_resample_ctx == NULL) {
1236
                fprintf(stderr, "Cannot get resampling context\n");
1237 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1238 352666c1 Eric Buehl
            }
1239
        }
1240 18a54b04 Luca Abeni
        sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1241
              0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1242 f122deb4 Luca Abeni
    }
1243 46847a33 Michael Niedermayer
#endif
1244 07d0cdfc Luca Abeni
1245 85f07f22 Fabrice Bellard
    /* duplicates frame if needed */
1246 ec5517d5 Fabrice Bellard
    for(i=0;i<nb_frames;i++) {
1247 e928649b Michael Niedermayer
        AVPacket pkt;
1248
        av_init_packet(&pkt);
1249
        pkt.stream_index= ost->index;
1250
1251 e8750b00 Fred Rothganger
        if (s->oformat->flags & AVFMT_RAWPICTURE) {
1252
            /* raw pictures are written as AVPicture structure to
1253
               avoid any copies. We support temorarily the older
1254
               method. */
1255 2744ca9a Roman Shaposhnik
            AVFrame* old_frame = enc->coded_frame;
1256 bb270c08 Diego Biurrun
            enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1257 e928649b Michael Niedermayer
            pkt.data= (uint8_t *)final_picture;
1258
            pkt.size=  sizeof(AVPicture);
1259 b4dba580 Michael Niedermayer
            pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1260 cc947f04 Jean-Daniel Dupas
            pkt.flags |= AV_PKT_FLAG_KEY;
1261 e928649b Michael Niedermayer
1262 0b6d358a Nicolas George
            write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1263 bb270c08 Diego Biurrun
            enc->coded_frame = old_frame;
1264 e8750b00 Fred Rothganger
        } else {
1265 492cd3a9 Michael Niedermayer
            AVFrame big_picture;
1266 a4d36c11 Michael Niedermayer
1267
            big_picture= *final_picture;
1268 7a0f9d7e Fabrice Bellard
            /* better than nothing: use input picture interlaced
1269
               settings */
1270
            big_picture.interlaced_frame = in_picture->interlaced_frame;
1271 72415b2a Stefano Sabatini
            if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1272 bb198e19 Michael Niedermayer
                if(top_field_first == -1)
1273
                    big_picture.top_field_first = in_picture->top_field_first;
1274
                else
1275 2a8edc5d Michael Niedermayer
                    big_picture.top_field_first = top_field_first;
1276 bb198e19 Michael Niedermayer
            }
1277 7a0f9d7e Fabrice Bellard
1278 85f07f22 Fabrice Bellard
            /* handles sameq here. This is not correct because it may
1279
               not be a global option */
1280 f62c025a Stefano Sabatini
            big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1281 f4f3223f Michael Niedermayer
            if(!me_threshold)
1282
                big_picture.pict_type = 0;
1283 50c3dd32 Michael Niedermayer
//            big_picture.pts = AV_NOPTS_VALUE;
1284 c0df9d75 Michael Niedermayer
            big_picture.pts= ost->sync_opts;
1285
//            big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1286 949b1a13 Steve L'Homme
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1287 115329f1 Diego Biurrun
            ret = avcodec_encode_video(enc,
1288 8a6cb114 Michael Niedermayer
                                       bit_buffer, bit_buffer_size,
1289 1e491e29 Michael Niedermayer
                                       &big_picture);
1290 95af5e1c Michael Niedermayer
            if (ret < 0) {
1291 4156a436 Panagiotis Issaris
                fprintf(stderr, "Video encoding failed\n");
1292 639e4ec8 Stefano Sabatini
                ffmpeg_exit(1);
1293 4156a436 Panagiotis Issaris
            }
1294 54e28a85 Baptiste Coudurier
1295 4bbc6260 Michael Niedermayer
            if(ret>0){
1296 27537106 Michael Niedermayer
                pkt.data= bit_buffer;
1297 e928649b Michael Niedermayer
                pkt.size= ret;
1298 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1299 c0df9d75 Michael Niedermayer
                    pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1300 949b1a13 Steve L'Homme
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1301 c0df9d75 Michael Niedermayer
   pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1302
   pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1303 50c3dd32 Michael Niedermayer
1304 e6b4e4ff Michael Niedermayer
                if(enc->coded_frame->key_frame)
1305 cc947f04 Jean-Daniel Dupas
                    pkt.flags |= AV_PKT_FLAG_KEY;
1306 0b6d358a Nicolas George
                write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1307 e928649b Michael Niedermayer
                *frame_size = ret;
1308 44eb047a Michael Niedermayer
                video_size += ret;
1309 54e28a85 Baptiste Coudurier
                //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1310
                //        enc->frame_number-1, ret, enc->pict_type);
1311 e928649b Michael Niedermayer
                /* if two pass, output log */
1312
                if (ost->logfile && enc->stats_out) {
1313
                    fprintf(ost->logfile, "%s", enc->stats_out);
1314
                }
1315 5abdb4b1 Fabrice Bellard
            }
1316 85f07f22 Fabrice Bellard
        }
1317 50c3dd32 Michael Niedermayer
        ost->sync_opts++;
1318 ec5517d5 Fabrice Bellard
        ost->frame_number++;
1319 85f07f22 Fabrice Bellard
    }
1320
}
1321
1322 140cb663 Michael Niedermayer
static double psnr(double d){
1323 b29f97d1 Zdenek Kabelac
    return -10.0*log(d)/log(10.0);
1324 140cb663 Michael Niedermayer
}
1325
1326 115329f1 Diego Biurrun
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1327 ec5517d5 Fabrice Bellard
                           int frame_size)
1328 ce7c56c2 Juanjo
{
1329
    AVCodecContext *enc;
1330
    int frame_number;
1331
    double ti1, bitrate, avg_bitrate;
1332 115329f1 Diego Biurrun
1333 b60d1379 Stefano Sabatini
    /* this is executed just the first time do_video_stats is called */
1334 032aa7df Stefano Sabatini
    if (!vstats_file) {
1335
        vstats_file = fopen(vstats_filename, "w");
1336
        if (!vstats_file) {
1337 4bd0c2b1 Benoit Fouet
            perror("fopen");
1338 639e4ec8 Stefano Sabatini
            ffmpeg_exit(1);
1339 4bd0c2b1 Benoit Fouet
        }
1340
    }
1341
1342 01f4895c Michael Niedermayer
    enc = ost->st->codec;
1343 72415b2a Stefano Sabatini
    if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1344 ec5517d5 Fabrice Bellard
        frame_number = ost->frame_number;
1345 032aa7df Stefano Sabatini
        fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1346 140cb663 Michael Niedermayer
        if (enc->flags&CODEC_FLAG_PSNR)
1347 032aa7df Stefano Sabatini
            fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1348 115329f1 Diego Biurrun
1349 032aa7df Stefano Sabatini
        fprintf(vstats_file,"f_size= %6d ", frame_size);
1350 ec5517d5 Fabrice Bellard
        /* compute pts value */
1351 c0df9d75 Michael Niedermayer
        ti1 = ost->sync_opts * av_q2d(enc->time_base);
1352 ce7c56c2 Juanjo
        if (ti1 < 0.01)
1353
            ti1 = 0.01;
1354 115329f1 Diego Biurrun
1355 c0df9d75 Michael Niedermayer
        bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1356 1008ceb3 Michael Niedermayer
        avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1357 032aa7df Stefano Sabatini
        fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1358 1008ceb3 Michael Niedermayer
            (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1359 032aa7df Stefano Sabatini
        fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1360 ce7c56c2 Juanjo
    }
1361 ec5517d5 Fabrice Bellard
}
1362
1363 b29f97d1 Zdenek Kabelac
static void print_report(AVFormatContext **output_files,
1364 bb270c08 Diego Biurrun
                         AVOutputStream **ost_table, int nb_ostreams,
1365
                         int is_last_report)
1366 ec5517d5 Fabrice Bellard
{
1367
    char buf[1024];
1368
    AVOutputStream *ost;
1369 b5ee9c23 Michael Niedermayer
    AVFormatContext *oc;
1370 0c1a9eda Zdenek Kabelac
    int64_t total_size;
1371 ec5517d5 Fabrice Bellard
    AVCodecContext *enc;
1372
    int frame_number, vid, i;
1373
    double bitrate, ti1, pts;
1374 0c1a9eda Zdenek Kabelac
    static int64_t last_time = -1;
1375 0888fd22 Michael Niedermayer
    static int qp_histogram[52];
1376 115329f1 Diego Biurrun
1377 ec5517d5 Fabrice Bellard
    if (!is_last_report) {
1378 0c1a9eda Zdenek Kabelac
        int64_t cur_time;
1379 ec5517d5 Fabrice Bellard
        /* display the report every 0.5 seconds */
1380
        cur_time = av_gettime();
1381
        if (last_time == -1) {
1382
            last_time = cur_time;
1383
            return;
1384 115329f1 Diego Biurrun
        }
1385 ec5517d5 Fabrice Bellard
        if ((cur_time - last_time) < 500000)
1386
            return;
1387
        last_time = cur_time;
1388
    }
1389
1390 ce7c56c2 Juanjo
1391 ec5517d5 Fabrice Bellard
    oc = output_files[0];
1392
1393 899681cd Björn Axelsson
    total_size = url_fsize(oc->pb);
1394 859d95ba Michael Niedermayer
    if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1395 899681cd Björn Axelsson
        total_size= url_ftell(oc->pb);
1396 115329f1 Diego Biurrun
1397 ec5517d5 Fabrice Bellard
    buf[0] = '\0';
1398
    ti1 = 1e10;
1399
    vid = 0;
1400
    for(i=0;i<nb_ostreams;i++) {
1401
        ost = ost_table[i];
1402 01f4895c Michael Niedermayer
        enc = ost->st->codec;
1403 72415b2a Stefano Sabatini
        if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1404 0ecca7a4 Michael Niedermayer
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1405 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1406 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1407 10d104e4 Philip Gladstone
        }
1408 72415b2a Stefano Sabatini
        if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1409 7fc98937 Limin Wang
            float t = (av_gettime()-timer_start) / 1000000.0;
1410
1411 ec5517d5 Fabrice Bellard
            frame_number = ost->frame_number;
1412 7fc98937 Limin Wang
            snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1413
                     frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1414 e6b4e4ff Michael Niedermayer
                     !ost->st->stream_copy ?
1415 99fb79b5 Baptiste Coudurier
                     enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1416 890972be Michael Niedermayer
            if(is_last_report)
1417 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1418 e6b4e4ff Michael Niedermayer
            if(qp_hist){
1419 0888fd22 Michael Niedermayer
                int j;
1420
                int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1421 37d3e066 Aurelien Jacobs
                if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1422 0888fd22 Michael Niedermayer
                    qp_histogram[qp]++;
1423
                for(j=0; j<32; j++)
1424
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1425
            }
1426 890972be Michael Niedermayer
            if (enc->flags&CODEC_FLAG_PSNR){
1427
                int j;
1428
                double error, error_sum=0;
1429
                double scale, scale_sum=0;
1430
                char type[3]= {'Y','U','V'};
1431 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1432 890972be Michael Niedermayer
                for(j=0; j<3; j++){
1433
                    if(is_last_report){
1434
                        error= enc->error[j];
1435
                        scale= enc->width*enc->height*255.0*255.0*frame_number;
1436
                    }else{
1437
                        error= enc->coded_frame->error[j];
1438
                        scale= enc->width*enc->height*255.0*255.0;
1439
                    }
1440
                    if(j) scale/=4;
1441
                    error_sum += error;
1442
                    scale_sum += scale;
1443 0ecca7a4 Michael Niedermayer
                    snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1444 890972be Michael Niedermayer
                }
1445 0ecca7a4 Michael Niedermayer
                snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1446 890972be Michael Niedermayer
            }
1447 ec5517d5 Fabrice Bellard
            vid = 1;
1448
        }
1449
        /* compute min output value */
1450 43924f01 Alex Beregszaszi
        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1451 5d9827bc Kareila
        if ((pts < ti1) && (pts > 0))
1452 ec5517d5 Fabrice Bellard
            ti1 = pts;
1453
    }
1454
    if (ti1 < 0.01)
1455
        ti1 = 0.01;
1456 115329f1 Diego Biurrun
1457 f068206e Bill Eldridge
    if (verbose || is_last_report) {
1458
        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1459 115329f1 Diego Biurrun
1460
        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1461 475f4d8d David Bolt
            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1462 ec5517d5 Fabrice Bellard
            (double)total_size / 1024, ti1, bitrate);
1463 a6a92a9a Wolfram Gloger
1464 0f649d66 Michael Niedermayer
        if (nb_frames_dup || nb_frames_drop)
1465 bb270c08 Diego Biurrun
          snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1466
                  nb_frames_dup, nb_frames_drop);
1467 115329f1 Diego Biurrun
1468 d8019eb5 Allen Day
        if (verbose >= 0)
1469
            fprintf(stderr, "%s    \r", buf);
1470
1471 ec5517d5 Fabrice Bellard
        fflush(stderr);
1472
    }
1473 115329f1 Diego Biurrun
1474 1008ceb3 Michael Niedermayer
    if (is_last_report && verbose >= 0){
1475
        int64_t raw= audio_size + video_size + extra_size;
1476 f068206e Bill Eldridge
        fprintf(stderr, "\n");
1477 1008ceb3 Michael Niedermayer
        fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1478
                video_size/1024.0,
1479
                audio_size/1024.0,
1480
                extra_size/1024.0,
1481
                100.0*(total_size - raw)/raw
1482
        );
1483
    }
1484 ce7c56c2 Juanjo
}
1485
1486 a700a6ae Fabrice Bellard
/* pkt = NULL means EOF (needed to flush decoder buffers) */
1487
static int output_packet(AVInputStream *ist, int ist_index,
1488
                         AVOutputStream **ost_table, int nb_ostreams,
1489 4b85a28f Wolfram Gloger
                         const AVPacket *pkt)
1490 a700a6ae Fabrice Bellard
{
1491
    AVFormatContext *os;
1492
    AVOutputStream *ost;
1493 ede0e475 Thilo Borgmann
    int ret, i;
1494 8157483d Michael Niedermayer
    int got_picture;
1495 a700a6ae Fabrice Bellard
    AVFrame picture;
1496
    void *buffer_to_free;
1497 f038fe8b Diego Biurrun
    static unsigned int samples_size= 0;
1498 cf7fc795 Fabrice Bellard
    AVSubtitle subtitle, *subtitle_to_free;
1499 0ff4f0c0 Alexander Strange
    int64_t pkt_pts = AV_NOPTS_VALUE;
1500 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1501 d21f58b5 Baptiste Coudurier
    int frame_available;
1502 46847a33 Michael Niedermayer
#endif
1503
1504 ede0e475 Thilo Borgmann
    AVPacket avpkt;
1505 9d66ef18 Sascha Sommer
    int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
1506 ede0e475 Thilo Borgmann
1507 ed923859 Michael Niedermayer
    if(ist->next_pts == AV_NOPTS_VALUE)
1508
        ist->next_pts= ist->pts;
1509
1510 a700a6ae Fabrice Bellard
    if (pkt == NULL) {
1511
        /* EOF handling */
1512 031e14ea Thilo Borgmann
        av_init_packet(&avpkt);
1513 ede0e475 Thilo Borgmann
        avpkt.data = NULL;
1514
        avpkt.size = 0;
1515 a700a6ae Fabrice Bellard
        goto handle_eof;
1516 031e14ea Thilo Borgmann
    } else {
1517
        avpkt = *pkt;
1518 a700a6ae Fabrice Bellard
    }
1519
1520 b1b818fc Michael Niedermayer
    if(pkt->dts != AV_NOPTS_VALUE)
1521
        ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1522 0ff4f0c0 Alexander Strange
    if(pkt->pts != AV_NOPTS_VALUE)
1523
        pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1524 b1b818fc Michael Niedermayer
1525 bd6754aa Michael Niedermayer
    //while we have more to decode or while the decoder did output something on EOF
1526 ede0e475 Thilo Borgmann
    while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1527 036c1382 Michael Niedermayer
        uint8_t *data_buf, *decoded_data_buf;
1528
        int data_size, decoded_data_size;
1529 a700a6ae Fabrice Bellard
    handle_eof:
1530 b1b818fc Michael Niedermayer
        ist->pts= ist->next_pts;
1531 19d5da50 Michael Niedermayer
1532 d859bb1d Sascha Sommer
        if(avpkt.size && avpkt.size != pkt->size &&
1533 6e2fdc3e Stefano Sabatini
           ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1534 40cb57a2 Michael Niedermayer
            fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1535 3ff0daf0 Michael Niedermayer
            ist->showed_multi_packet_warning=1;
1536
        }
1537 40cb57a2 Michael Niedermayer
1538 a700a6ae Fabrice Bellard
        /* decode the packet if needed */
1539 036c1382 Michael Niedermayer
        decoded_data_buf = NULL; /* fail safe */
1540
        decoded_data_size= 0;
1541
        data_buf  = avpkt.data;
1542
        data_size = avpkt.size;
1543 cf7fc795 Fabrice Bellard
        subtitle_to_free = NULL;
1544 a700a6ae Fabrice Bellard
        if (ist->decoding_needed) {
1545 01f4895c Michael Niedermayer
            switch(ist->st->codec->codec_type) {
1546 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:{
1547 81b060fa Loren Merritt
                if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1548
                    samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1549
                    av_free(samples);
1550
                    samples= av_malloc(samples_size);
1551
                }
1552 036c1382 Michael Niedermayer
                decoded_data_size= samples_size;
1553 a700a6ae Fabrice Bellard
                    /* XXX: could avoid copy if PCM 16 bits with same
1554
                       endianness as CPU */
1555 036c1382 Michael Niedermayer
                ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1556 ede0e475 Thilo Borgmann
                                            &avpkt);
1557 a700a6ae Fabrice Bellard
                if (ret < 0)
1558
                    goto fail_decode;
1559 ede0e475 Thilo Borgmann
                avpkt.data += ret;
1560
                avpkt.size -= ret;
1561 036c1382 Michael Niedermayer
                data_size   = ret;
1562 a700a6ae Fabrice Bellard
                /* Some bug in mpeg audio decoder gives */
1563 036c1382 Michael Niedermayer
                /* decoded_data_size < 0, it seems they are overflows */
1564
                if (decoded_data_size <= 0) {
1565 a700a6ae Fabrice Bellard
                    /* no audio frame */
1566
                    continue;
1567
                }
1568 036c1382 Michael Niedermayer
                decoded_data_buf = (uint8_t *)samples;
1569
                ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1570 01f4895c Michael Niedermayer
                    (ist->st->codec->sample_rate * ist->st->codec->channels);
1571 df84ac2e Michael Niedermayer
                break;}
1572 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1573 036c1382 Michael Niedermayer
                    decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1574 a700a6ae Fabrice Bellard
                    /* XXX: allocate picture correctly */
1575 9740beff Michael Niedermayer
                    avcodec_get_frame_defaults(&picture);
1576 0ff4f0c0 Alexander Strange
                    ist->st->codec->reordered_opaque = pkt_pts;
1577
                    pkt_pts = AV_NOPTS_VALUE;
1578 9740beff Michael Niedermayer
1579 ede0e475 Thilo Borgmann
                    ret = avcodec_decode_video2(ist->st->codec,
1580
                                                &picture, &got_picture, &avpkt);
1581 a700a6ae Fabrice Bellard
                    ist->st->quality= picture.quality;
1582 115329f1 Diego Biurrun
                    if (ret < 0)
1583 a700a6ae Fabrice Bellard
                        goto fail_decode;
1584
                    if (!got_picture) {
1585
                        /* no picture yet */
1586
                        goto discard_packet;
1587
                    }
1588 0ff4f0c0 Alexander Strange
                    ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.reordered_opaque, ist->pts);
1589 01f4895c Michael Niedermayer
                    if (ist->st->codec->time_base.num != 0) {
1590 3797c74b Michael Niedermayer
                        int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1591 115329f1 Diego Biurrun
                        ist->next_pts += ((int64_t)AV_TIME_BASE *
1592 34583e1b Michael Niedermayer
                                          ist->st->codec->time_base.num * ticks) /
1593 01f4895c Michael Niedermayer
                            ist->st->codec->time_base.den;
1594 a700a6ae Fabrice Bellard
                    }
1595 ede0e475 Thilo Borgmann
                    avpkt.size = 0;
1596 a700a6ae Fabrice Bellard
                    break;
1597 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
1598 ede0e475 Thilo Borgmann
                ret = avcodec_decode_subtitle2(ist->st->codec,
1599 28db3215 Alexander Strange
                                               &subtitle, &got_picture, &avpkt);
1600 cf7fc795 Fabrice Bellard
                if (ret < 0)
1601 a700a6ae Fabrice Bellard
                    goto fail_decode;
1602 28db3215 Alexander Strange
                if (!got_picture) {
1603 cf7fc795 Fabrice Bellard
                    goto discard_packet;
1604 a700a6ae Fabrice Bellard
                }
1605 cf7fc795 Fabrice Bellard
                subtitle_to_free = &subtitle;
1606 ede0e475 Thilo Borgmann
                avpkt.size = 0;
1607 cf7fc795 Fabrice Bellard
                break;
1608
            default:
1609
                goto fail_decode;
1610
            }
1611
        } else {
1612 bde0705c Limin Wang
            switch(ist->st->codec->codec_type) {
1613 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
1614 bde0705c Limin Wang
                ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1615 1c715415 Michael Niedermayer
                    ist->st->codec->sample_rate;
1616 bde0705c Limin Wang
                break;
1617 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
1618 bde0705c Limin Wang
                if (ist->st->codec->time_base.num != 0) {
1619 3797c74b Michael Niedermayer
                    int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1620 bde0705c Limin Wang
                    ist->next_pts += ((int64_t)AV_TIME_BASE *
1621 34583e1b Michael Niedermayer
                                      ist->st->codec->time_base.num * ticks) /
1622 bde0705c Limin Wang
                        ist->st->codec->time_base.den;
1623 2fef0bdf Michael Niedermayer
                }
1624 bde0705c Limin Wang
                break;
1625 a700a6ae Fabrice Bellard
            }
1626 ede0e475 Thilo Borgmann
            ret = avpkt.size;
1627
            avpkt.size = 0;
1628 bde0705c Limin Wang
        }
1629 a700a6ae Fabrice Bellard
1630 bde0705c Limin Wang
        buffer_to_free = NULL;
1631 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1632 bde0705c Limin Wang
            pre_process_video_frame(ist, (AVPicture *)&picture,
1633
                                    &buffer_to_free);
1634
        }
1635 a700a6ae Fabrice Bellard
1636 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1637
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1638
            // add it to be filtered
1639
            av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1640
                                     ist->pts,
1641
                                     ist->st->codec->sample_aspect_ratio);
1642
        }
1643
#endif
1644
1645 bde0705c Limin Wang
        // preprocess audio (volume)
1646 72415b2a Stefano Sabatini
        if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1647 bde0705c Limin Wang
            if (audio_volume != 256) {
1648
                short *volp;
1649
                volp = samples;
1650 036c1382 Michael Niedermayer
                for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1651 bde0705c Limin Wang
                    int v = ((*volp) * audio_volume + 128) >> 8;
1652
                    if (v < -32768) v = -32768;
1653
                    if (v >  32767) v = 32767;
1654
                    *volp++ = v;
1655 7e987c33 Calcium
                }
1656
            }
1657 bde0705c Limin Wang
        }
1658 7e987c33 Calcium
1659 bde0705c Limin Wang
        /* frame rate emulation */
1660 3a25ca18 Stefano Sabatini
        if (rate_emu) {
1661 cb103a19 Stefano Sabatini
            int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1662 bde0705c Limin Wang
            int64_t now = av_gettime() - ist->start;
1663
            if (pts > now)
1664
                usleep(pts - now);
1665
        }
1666 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1667 d21f58b5 Baptiste Coudurier
        frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1668 dfd57757 Stefano Sabatini
            !ist->output_video_filter || avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1669 46847a33 Michael Niedermayer
#endif
1670 bde0705c Limin Wang
        /* if output time reached then transcode raw format,
1671
           encode packets and output them */
1672
        if (start_time == 0 || ist->pts >= start_time)
1673 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1674 d21f58b5 Baptiste Coudurier
        while (frame_available) {
1675 dfd57757 Stefano Sabatini
            if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->output_video_filter)
1676
                get_filtered_video_pic(ist->output_video_filter, &ist->picref, &picture, &ist->pts);
1677 46847a33 Michael Niedermayer
#endif
1678 bde0705c Limin Wang
            for(i=0;i<nb_ostreams;i++) {
1679
                int frame_size;
1680 a700a6ae Fabrice Bellard
1681 bde0705c Limin Wang
                ost = ost_table[i];
1682
                if (ost->source_index == ist_index) {
1683
                    os = output_files[ost->file_index];
1684 a700a6ae Fabrice Bellard
1685 bde0705c Limin Wang
                    /* set the input output pts pairs */
1686
                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1687
1688
                    if (ost->encoding_needed) {
1689 b926b628 Michael Niedermayer
                        av_assert0(ist->decoding_needed);
1690 bde0705c Limin Wang
                        switch(ost->st->codec->codec_type) {
1691 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1692 036c1382 Michael Niedermayer
                            do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1693 bde0705c Limin Wang
                            break;
1694 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1695 46847a33 Michael Niedermayer
#if CONFIG_AVFILTER
1696 cc80caff S.N. Hemanth Meenakshisundaram
                            if (ist->picref->video)
1697
                                ost->st->codec->sample_aspect_ratio = ist->picref->video->pixel_aspect;
1698 46847a33 Michael Niedermayer
#endif
1699 bde0705c Limin Wang
                            do_video_out(os, ost, ist, &picture, &frame_size);
1700 b60d1379 Stefano Sabatini
                            if (vstats_filename && frame_size)
1701 bde0705c Limin Wang
                                do_video_stats(os, ost, frame_size);
1702
                            break;
1703 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_SUBTITLE:
1704 bde0705c Limin Wang
                            do_subtitle_out(os, ost, ist, &subtitle,
1705
                                            pkt->pts);
1706
                            break;
1707
                        default:
1708 0f4e8165 Ronald S. Bultje
                            abort();
1709 bde0705c Limin Wang
                        }
1710
                    } else {
1711
                        AVFrame avframe; //FIXME/XXX remove this
1712
                        AVPacket opkt;
1713 cdf38a17 Michael Niedermayer
                        int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1714
1715 bde0705c Limin Wang
                        av_init_packet(&opkt);
1716
1717 cc947f04 Jean-Daniel Dupas
                        if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1718 7cacf1e8 Michael Niedermayer
                            continue;
1719
1720 bde0705c Limin Wang
                        /* no reencoding needed : output the packet directly */
1721
                        /* force the input stream PTS */
1722
1723
                        avcodec_get_frame_defaults(&avframe);
1724
                        ost->st->codec->coded_frame= &avframe;
1725 cc947f04 Jean-Daniel Dupas
                        avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1726 bde0705c Limin Wang
1727 72415b2a Stefano Sabatini
                        if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1728 bde0705c Limin Wang
                            audio_size += data_size;
1729 72415b2a Stefano Sabatini
                        else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1730 bde0705c Limin Wang
                            video_size += data_size;
1731
                            ost->sync_opts++;
1732
                        }
1733
1734
                        opkt.stream_index= ost->index;
1735
                        if(pkt->pts != AV_NOPTS_VALUE)
1736 cdf38a17 Michael Niedermayer
                            opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1737 bde0705c Limin Wang
                        else
1738
                            opkt.pts= AV_NOPTS_VALUE;
1739
1740 d2ce2f5e Baptiste Coudurier
                        if (pkt->dts == AV_NOPTS_VALUE)
1741 181782ae Michael Niedermayer
                            opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1742 d2ce2f5e Baptiste Coudurier
                        else
1743
                            opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1744 cdf38a17 Michael Niedermayer
                        opkt.dts -= ost_tb_start_time;
1745 c0dd7b7c Michael Niedermayer
1746 a03d59b7 Aurelien Jacobs
                        opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1747 bde0705c Limin Wang
                        opkt.flags= pkt->flags;
1748
1749
                        //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1750 5bfe91e6 Michael Niedermayer
                        if(   ost->st->codec->codec_id != CODEC_ID_H264
1751
                           && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1752
                           && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1753
                           ) {
1754 cc947f04 Jean-Daniel Dupas
                            if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1755 9f907d85 Michael Niedermayer
                                opkt.destruct= av_destruct_packet;
1756 d310d56a Baptiste Coudurier
                        } else {
1757
                            opkt.data = data_buf;
1758
                            opkt.size = data_size;
1759
                        }
1760 bde0705c Limin Wang
1761 0b6d358a Nicolas George
                        write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1762 bde0705c Limin Wang
                        ost->st->codec->frame_number++;
1763
                        ost->frame_number++;
1764
                        av_free_packet(&opkt);
1765 a700a6ae Fabrice Bellard
                    }
1766
                }
1767 bde0705c Limin Wang
            }
1768 46847a33 Michael Niedermayer
1769
#if CONFIG_AVFILTER
1770 748db0fc Michael Niedermayer
            frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1771 dfd57757 Stefano Sabatini
                              ist->output_video_filter && avfilter_poll_frame(ist->output_video_filter->inputs[0]);
1772 46847a33 Michael Niedermayer
            if(ist->picref)
1773 7fce481a S.N. Hemanth Meenakshisundaram
                avfilter_unref_buffer(ist->picref);
1774 46847a33 Michael Niedermayer
        }
1775
#endif
1776 bde0705c Limin Wang
        av_free(buffer_to_free);
1777
        /* XXX: allocate the subtitles in the codec ? */
1778
        if (subtitle_to_free) {
1779
            if (subtitle_to_free->rects != NULL) {
1780
                for (i = 0; i < subtitle_to_free->num_rects; i++) {
1781 25b4c651 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1782
                    av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1783 db4fac64 Michael Niedermayer
                    av_freep(&subtitle_to_free->rects[i]);
1784 c6ec28b1 Michael Niedermayer
                }
1785 bde0705c Limin Wang
                av_freep(&subtitle_to_free->rects);
1786 cf7fc795 Fabrice Bellard
            }
1787 bde0705c Limin Wang
            subtitle_to_free->num_rects = 0;
1788
            subtitle_to_free = NULL;
1789 a700a6ae Fabrice Bellard
        }
1790 bde0705c Limin Wang
    }
1791 a700a6ae Fabrice Bellard
 discard_packet:
1792 6f824977 Michael Niedermayer
    if (pkt == NULL) {
1793
        /* EOF handling */
1794 115329f1 Diego Biurrun
1795 6f824977 Michael Niedermayer
        for(i=0;i<nb_ostreams;i++) {
1796
            ost = ost_table[i];
1797
            if (ost->source_index == ist_index) {
1798 01f4895c Michael Niedermayer
                AVCodecContext *enc= ost->st->codec;
1799 6f824977 Michael Niedermayer
                os = output_files[ost->file_index];
1800 115329f1 Diego Biurrun
1801 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1802 6f824977 Michael Niedermayer
                    continue;
1803 72415b2a Stefano Sabatini
                if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1804 6f824977 Michael Niedermayer
                    continue;
1805
1806
                if (ost->encoding_needed) {
1807
                    for(;;) {
1808
                        AVPacket pkt;
1809 cef7cc72 Justin Ruggles
                        int fifo_bytes;
1810 6f824977 Michael Niedermayer
                        av_init_packet(&pkt);
1811
                        pkt.stream_index= ost->index;
1812 115329f1 Diego Biurrun
1813 01f4895c Michael Niedermayer
                        switch(ost->st->codec->codec_type) {
1814 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_AUDIO:
1815 41dd680d Michael Niedermayer
                            fifo_bytes = av_fifo_size(ost->fifo);
1816 cef7cc72 Justin Ruggles
                            ret = 0;
1817
                            /* encode any samples remaining in fifo */
1818 b10d7e4e Baptiste Coudurier
                            if (fifo_bytes > 0) {
1819 22c4c3e0 Justin Ruggles
                                int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1820 cef7cc72 Justin Ruggles
                                int fs_tmp = enc->frame_size;
1821 b10d7e4e Baptiste Coudurier
1822 79c85beb Justin Ruggles
                                av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1823 b10d7e4e Baptiste Coudurier
                                if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1824
                                    enc->frame_size = fifo_bytes / (osize * enc->channels);
1825
                                } else { /* pad */
1826
                                    int frame_bytes = enc->frame_size*osize*enc->channels;
1827 79c85beb Justin Ruggles
                                    if (allocated_audio_buf_size < frame_bytes)
1828 639e4ec8 Stefano Sabatini
                                        ffmpeg_exit(1);
1829 e91376d1 Justin Ruggles
                                    memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
1830 b10d7e4e Baptiste Coudurier
                                }
1831
1832 79c85beb Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1833 7c8689ef Baptiste Coudurier
                                pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1834
                                                          ost->st->time_base.num, enc->sample_rate);
1835 cef7cc72 Justin Ruggles
                                enc->frame_size = fs_tmp;
1836 9e0db7d5 Michael Niedermayer
                            }
1837
                            if(ret <= 0) {
1838 cef7cc72 Justin Ruggles
                                ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1839
                            }
1840 528271ff Michael Niedermayer
                            if (ret < 0) {
1841
                                fprintf(stderr, "Audio encoding failed\n");
1842 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1843 528271ff Michael Niedermayer
                            }
1844 6f824977 Michael Niedermayer
                            audio_size += ret;
1845 cc947f04 Jean-Daniel Dupas
                            pkt.flags |= AV_PKT_FLAG_KEY;
1846 6f824977 Michael Niedermayer
                            break;
1847 72415b2a Stefano Sabatini
                        case AVMEDIA_TYPE_VIDEO:
1848 8a6cb114 Michael Niedermayer
                            ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1849 528271ff Michael Niedermayer
                            if (ret < 0) {
1850
                                fprintf(stderr, "Video encoding failed\n");
1851 639e4ec8 Stefano Sabatini
                                ffmpeg_exit(1);
1852 528271ff Michael Niedermayer
                            }
1853 6f824977 Michael Niedermayer
                            video_size += ret;
1854
                            if(enc->coded_frame && enc->coded_frame->key_frame)
1855 cc947f04 Jean-Daniel Dupas
                                pkt.flags |= AV_PKT_FLAG_KEY;
1856 6f824977 Michael Niedermayer
                            if (ost->logfile && enc->stats_out) {
1857
                                fprintf(ost->logfile, "%s", enc->stats_out);
1858
                            }
1859
                            break;
1860
                        default:
1861
                            ret=-1;
1862
                        }
1863 115329f1 Diego Biurrun
1864 6f824977 Michael Niedermayer
                        if(ret<=0)
1865
                            break;
1866 27537106 Michael Niedermayer
                        pkt.data= bit_buffer;
1867 6f824977 Michael Niedermayer
                        pkt.size= ret;
1868 e7902f20 Michael Niedermayer
                        if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1869 c0df9d75 Michael Niedermayer
                            pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1870 0b6d358a Nicolas George
                        write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1871 6f824977 Michael Niedermayer
                    }
1872
                }
1873
            }
1874
        }
1875
    }
1876 115329f1 Diego Biurrun
1877 a700a6ae Fabrice Bellard
    return 0;
1878
 fail_decode:
1879
    return -1;
1880
}
1881
1882 6d1ba1ac Luca Abeni
static void print_sdp(AVFormatContext **avc, int n)
1883
{
1884
    char sdp[2048];
1885
1886
    avf_sdp_create(avc, n, sdp, sizeof(sdp));
1887
    printf("SDP:\n%s\n", sdp);
1888 536cd1db Luca Barbato
    fflush(stdout);
1889 6d1ba1ac Luca Abeni
}
1890 a700a6ae Fabrice Bellard
1891 7a39f142 Anton Khirnov
static int copy_chapters(int infile, int outfile)
1892
{
1893
    AVFormatContext *is = input_files[infile];
1894
    AVFormatContext *os = output_files[outfile];
1895
    int i;
1896
1897
    for (i = 0; i < is->nb_chapters; i++) {
1898
        AVChapter *in_ch = is->chapters[i], *out_ch;
1899
        AVMetadataTag *t = NULL;
1900
        int64_t ts_off   = av_rescale_q(start_time - input_files_ts_offset[infile],
1901
                                      AV_TIME_BASE_Q, in_ch->time_base);
1902
        int64_t rt       = (recording_time == INT64_MAX) ? INT64_MAX :
1903
                           av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1904
1905
1906
        if (in_ch->end < ts_off)
1907
            continue;
1908
        if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1909
            break;
1910
1911
        out_ch = av_mallocz(sizeof(AVChapter));
1912
        if (!out_ch)
1913
            return AVERROR(ENOMEM);
1914
1915
        out_ch->id        = in_ch->id;
1916
        out_ch->time_base = in_ch->time_base;
1917
        out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
1918
        out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
1919
1920
        while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1921
            av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1922
1923
        os->nb_chapters++;
1924
        os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1925
        if (!os->chapters)
1926
            return AVERROR(ENOMEM);
1927
        os->chapters[os->nb_chapters - 1] = out_ch;
1928
    }
1929
    return 0;
1930
}
1931
1932 85f07f22 Fabrice Bellard
/*
1933
 * The following code is the main loop of the file converter
1934
 */
1935 3aace1bc Stefano Sabatini
static int transcode(AVFormatContext **output_files,
1936 065a20cb Stefano Sabatini
                     int nb_output_files,
1937
                     AVFormatContext **input_files,
1938
                     int nb_input_files,
1939
                     AVStreamMap *stream_maps, int nb_stream_maps)
1940 85f07f22 Fabrice Bellard
{
1941 002c95d7 Baptiste Coudurier
    int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1942 85f07f22 Fabrice Bellard
    AVFormatContext *is, *os;
1943
    AVCodecContext *codec, *icodec;
1944
    AVOutputStream *ost, **ost_table = NULL;
1945
    AVInputStream *ist, **ist_table = NULL;
1946 bdc4796f Fabrice Bellard
    AVInputFile *file_table;
1947 002c95d7 Baptiste Coudurier
    char error[1024];
1948 cb09b2ed Philip Gladstone
    int key;
1949 6d1ba1ac Luca Abeni
    int want_sdp = 1;
1950 545465ec Michael Niedermayer
    uint8_t no_packet[MAX_FILES]={0};
1951
    int no_packet_count=0;
1952 bdc4796f Fabrice Bellard
1953 90901860 Michael Niedermayer
    file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1954 bdc4796f Fabrice Bellard
    if (!file_table)
1955
        goto fail;
1956 115329f1 Diego Biurrun
1957 85f07f22 Fabrice Bellard
    /* input stream init */
1958
    j = 0;
1959
    for(i=0;i<nb_input_files;i++) {
1960
        is = input_files[i];
1961
        file_table[i].ist_index = j;
1962 79fdaa4c Fabrice Bellard
        file_table[i].nb_streams = is->nb_streams;
1963 85f07f22 Fabrice Bellard
        j += is->nb_streams;
1964
    }
1965
    nb_istreams = j;
1966
1967
    ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1968
    if (!ist_table)
1969 bdc4796f Fabrice Bellard
        goto fail;
1970 115329f1 Diego Biurrun
1971 85f07f22 Fabrice Bellard
    for(i=0;i<nb_istreams;i++) {
1972
        ist = av_mallocz(sizeof(AVInputStream));
1973
        if (!ist)
1974
            goto fail;
1975
        ist_table[i] = ist;
1976
    }
1977
    j = 0;
1978
    for(i=0;i<nb_input_files;i++) {
1979
        is = input_files[i];
1980
        for(k=0;k<is->nb_streams;k++) {
1981
            ist = ist_table[j++];
1982
            ist->st = is->streams[k];
1983
            ist->file_index = i;
1984
            ist->index = k;
1985
            ist->discard = 1; /* the stream is discarded by default
1986
                                 (changed later) */
1987 bdfcbbed Max Krasnyansky
1988 3a25ca18 Stefano Sabatini
            if (rate_emu) {
1989 bdfcbbed Max Krasnyansky
                ist->start = av_gettime();
1990
            }
1991 85f07f22 Fabrice Bellard
        }
1992
    }
1993
1994
    /* output stream init */
1995
    nb_ostreams = 0;
1996
    for(i=0;i<nb_output_files;i++) {
1997
        os = output_files[i];
1998 8a7bde1c Baptiste Coudurier
        if (!os->nb_streams) {
1999 fc5d0db5 Stefano Sabatini
            dump_format(output_files[i], i, output_files[i]->filename, 1);
2000
            fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2001 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
2002
            goto fail;
2003 8a7bde1c Baptiste Coudurier
        }
2004 85f07f22 Fabrice Bellard
        nb_ostreams += os->nb_streams;
2005
    }
2006
    if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2007
        fprintf(stderr, "Number of stream maps must match number of output streams\n");
2008 d62ccec8 Jai Menon
        ret = AVERROR(EINVAL);
2009
        goto fail;
2010 85f07f22 Fabrice Bellard
    }
2011
2012 bd073980 Brian Foley
    /* Sanity check the mapping args -- do the input files & streams exist? */
2013
    for(i=0;i<nb_stream_maps;i++) {
2014
        int fi = stream_maps[i].file_index;
2015
        int si = stream_maps[i].stream_index;
2016 115329f1 Diego Biurrun
2017 bd073980 Brian Foley
        if (fi < 0 || fi > nb_input_files - 1 ||
2018
            si < 0 || si > file_table[fi].nb_streams - 1) {
2019
            fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2020 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
2021
            goto fail;
2022 bd073980 Brian Foley
        }
2023 b4a3389e Wolfram Gloger
        fi = stream_maps[i].sync_file_index;
2024
        si = stream_maps[i].sync_stream_index;
2025
        if (fi < 0 || fi > nb_input_files - 1 ||
2026
            si < 0 || si > file_table[fi].nb_streams - 1) {
2027
            fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2028 d62ccec8 Jai Menon
            ret = AVERROR(EINVAL);
2029
            goto fail;
2030 b4a3389e Wolfram Gloger
        }
2031 bd073980 Brian Foley
    }
2032 115329f1 Diego Biurrun
2033 85f07f22 Fabrice Bellard
    ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2034
    if (!ost_table)
2035
        goto fail;
2036
    n = 0;
2037
    for(k=0;k<nb_output_files;k++) {
2038
        os = output_files[k];
2039 de427ff4 Stefano Sabatini
        for(i=0;i<os->nb_streams;i++,n++) {
2040 85f07f22 Fabrice Bellard
            int found;
2041 9fdf4b58 Nicolas George
            ost = ost_table[n] = output_streams_for_file[k][i];
2042 85f07f22 Fabrice Bellard
            ost->st = os->streams[i];
2043
            if (nb_stream_maps > 0) {
2044 de427ff4 Stefano Sabatini
                ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2045
                    stream_maps[n].stream_index;
2046 115329f1 Diego Biurrun
2047 bd073980 Brian Foley
                /* Sanity check that the stream types match */
2048 01f4895c Michael Niedermayer
                if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2049 150d5a25 Stefano Sabatini
                    int i= ost->file_index;
2050
                    dump_format(output_files[i], i, output_files[i]->filename, 1);
2051 bd073980 Brian Foley
                    fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2052 de427ff4 Stefano Sabatini
                        stream_maps[n].file_index, stream_maps[n].stream_index,
2053 bd073980 Brian Foley
                        ost->file_index, ost->index);
2054 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2055 bd073980 Brian Foley
                }
2056 115329f1 Diego Biurrun
2057 85f07f22 Fabrice Bellard
            } else {
2058 247e3954 Michael Niedermayer
                int best_nb_frames=-1;
2059 3f1710e7 Ramiro Polla
                /* get corresponding input stream index : we select the first one with the right type */
2060
                found = 0;
2061
                for(j=0;j<nb_istreams;j++) {
2062
                    int skip=0;
2063
                    ist = ist_table[j];
2064
                    if(opt_programid){
2065
                        int pi,si;
2066
                        AVFormatContext *f= input_files[ ist->file_index ];
2067
                        skip=1;
2068
                        for(pi=0; pi<f->nb_programs; pi++){
2069
                            AVProgram *p= f->programs[pi];
2070
                            if(p->id == opt_programid)
2071
                                for(si=0; si<p->nb_stream_indexes; si++){
2072
                                    if(f->streams[ p->stream_index[si] ] == ist->st)
2073
                                        skip=0;
2074
                                }
2075 6d3d3b83 Michael Niedermayer
                        }
2076 3f1710e7 Ramiro Polla
                    }
2077
                    if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2078
                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
2079
                        if(best_nb_frames < ist->st->codec_info_nb_frames){
2080
                            best_nb_frames= ist->st->codec_info_nb_frames;
2081
                            ost->source_index = j;
2082
                            found = 1;
2083 85f07f22 Fabrice Bellard
                        }
2084
                    }
2085 3f1710e7 Ramiro Polla
                }
2086 a15bc651 Nico Sabbi
2087
                if (!found) {
2088
                    if(! opt_programid) {
2089
                        /* try again and reuse existing stream */
2090
                        for(j=0;j<nb_istreams;j++) {
2091
                            ist = ist_table[j];
2092 6d3d3b83 Michael Niedermayer
                            if (   ist->st->codec->codec_type == ost->st->codec->codec_type
2093
                                && ist->st->discard != AVDISCARD_ALL) {
2094 a15bc651 Nico Sabbi
                                ost->source_index = j;
2095
                                found = 1;
2096
                            }
2097
                        }
2098 50e143c4 Nico Sabbi
                    }
2099 85f07f22 Fabrice Bellard
                    if (!found) {
2100 462cca10 Stefano Sabatini
                        int i= ost->file_index;
2101
                        dump_format(output_files[i], i, output_files[i]->filename, 1);
2102 85f07f22 Fabrice Bellard
                        fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2103
                                ost->file_index, ost->index);
2104 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2105 85f07f22 Fabrice Bellard
                    }
2106
                }
2107
            }
2108
            ist = ist_table[ost->source_index];
2109
            ist->discard = 0;
2110 b4a3389e Wolfram Gloger
            ost->sync_ist = (nb_stream_maps > 0) ?
2111 de427ff4 Stefano Sabatini
                ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2112
                         stream_maps[n].sync_stream_index] : ist;
2113 85f07f22 Fabrice Bellard
        }
2114
    }
2115
2116
    /* for each output stream, we compute the right encoding parameters */
2117
    for(i=0;i<nb_ostreams;i++) {
2118 46e6fb4c Anton Khirnov
        AVMetadataTag *t = NULL;
2119 85f07f22 Fabrice Bellard
        ost = ost_table[i];
2120 365515ac Michael Niedermayer
        os = output_files[ost->file_index];
2121 85f07f22 Fabrice Bellard
        ist = ist_table[ost->source_index];
2122
2123 01f4895c Michael Niedermayer
        codec = ost->st->codec;
2124
        icodec = ist->st->codec;
2125 85f07f22 Fabrice Bellard
2126 c71591a5 Anton Khirnov
        while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
2127 46e6fb4c Anton Khirnov
            av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
2128 c71591a5 Anton Khirnov
        }
2129 8e0d882b Aurelien Jacobs
2130 90c2295b Evgeniy Stepanov
        ost->st->disposition = ist->st->disposition;
2131 a39b76ea Michael Niedermayer
        codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2132 de961801 David Conrad
        codec->chroma_sample_location = icodec->chroma_sample_location;
2133 90c2295b Evgeniy Stepanov
2134 1629626f Fabrice Bellard
        if (ost->st->stream_copy) {
2135 b659c8b4 Luca Abeni
            uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2136
2137
            if (extra_size > INT_MAX)
2138
                goto fail;
2139
2140 1629626f Fabrice Bellard
            /* if stream_copy is selected, no need to decode or encode */
2141
            codec->codec_id = icodec->codec_id;
2142
            codec->codec_type = icodec->codec_type;
2143 365515ac Michael Niedermayer
2144
            if(!codec->codec_tag){
2145
                if(   !os->oformat->codec_tag
2146 37ce3d6b Michael Niedermayer
                   || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2147 365515ac Michael Niedermayer
                   || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2148
                    codec->codec_tag = icodec->codec_tag;
2149
            }
2150
2151 1629626f Fabrice Bellard
            codec->bit_rate = icodec->bit_rate;
2152 2dec2bb8 Michael Niedermayer
            codec->rc_max_rate    = icodec->rc_max_rate;
2153
            codec->rc_buffer_size = icodec->rc_buffer_size;
2154 b659c8b4 Luca Abeni
            codec->extradata= av_mallocz(extra_size);
2155
            if (!codec->extradata)
2156
                goto fail;
2157
            memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2158 dffbfd06 Michael Niedermayer
            codec->extradata_size= icodec->extradata_size;
2159 3797c74b Michael Niedermayer
            if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
2160 d29de719 Michael Niedermayer
                codec->time_base = icodec->time_base;
2161 3797c74b Michael Niedermayer
                codec->time_base.num *= icodec->ticks_per_frame;
2162 8abcbf2d Baptiste Coudurier
                av_reduce(&codec->time_base.num, &codec->time_base.den,
2163
                          codec->time_base.num, codec->time_base.den, INT_MAX);
2164 3797c74b Michael Niedermayer
            }else
2165 d29de719 Michael Niedermayer
                codec->time_base = ist->st->time_base;
2166 1629626f Fabrice Bellard
            switch(codec->codec_type) {
2167 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2168 d08e3e91 Ramiro Polla
                if(audio_volume != 256) {
2169
                    fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2170 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2171 d08e3e91 Ramiro Polla
                }
2172 13367a46 Benjamin Larsson
                codec->channel_layout = icodec->channel_layout;
2173 1629626f Fabrice Bellard
                codec->sample_rate = icodec->sample_rate;
2174
                codec->channels = icodec->channels;
2175 0a3b0447 Michael Niedermayer
                codec->frame_size = icodec->frame_size;
2176 c1344911 Michael Niedermayer
                codec->block_align= icodec->block_align;
2177 4efd6f58 Michael Niedermayer
                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2178
                    codec->block_align= 0;
2179 bcbd328e Michael Niedermayer
                if(codec->codec_id == CODEC_ID_AC3)
2180
                    codec->block_align= 0;
2181 1629626f Fabrice Bellard
                break;
2182 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2183 9df3437f Baptiste Coudurier
                codec->pix_fmt = icodec->pix_fmt;
2184 1629626f Fabrice Bellard
                codec->width = icodec->width;
2185
                codec->height = icodec->height;
2186 ff8cc24b Michael Niedermayer
                codec->has_b_frames = icodec->has_b_frames;
2187 1629626f Fabrice Bellard
                break;
2188 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2189 d43b26ea David Conrad
                codec->width = icodec->width;
2190
                codec->height = icodec->height;
2191 cf7fc795 Fabrice Bellard
                break;
2192 1629626f Fabrice Bellard
            default:
2193 0f4e8165 Ronald S. Bultje
                abort();
2194 1629626f Fabrice Bellard
            }
2195
        } else {
2196
            switch(codec->codec_type) {
2197 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2198 41dd680d Michael Niedermayer
                ost->fifo= av_fifo_alloc(1024);
2199
                if(!ost->fifo)
2200 85f07f22 Fabrice Bellard
                    goto fail;
2201 a79db0f7 Peter Ross
                ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2202 2886f311 Andreas Öman
                ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2203
                icodec->request_channels = codec->channels;
2204 85f07f22 Fabrice Bellard
                ist->decoding_needed = 1;
2205
                ost->encoding_needed = 1;
2206 1629626f Fabrice Bellard
                break;
2207 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2208 761c8c92 Baptiste Coudurier
                if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2209 562f22a6 Ronald S. Bultje
                    fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2210 639e4ec8 Stefano Sabatini
                    ffmpeg_exit(1);
2211 761c8c92 Baptiste Coudurier
                }
2212 c3f11d19 Luca Abeni
                ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
2213
                ost->video_resample = ((codec->width != icodec->width -
2214 0c22311b Michael Niedermayer
                                (frame_leftBand + frame_rightBand)) ||
2215 c3f11d19 Luca Abeni
                        (codec->height != icodec->height -
2216 0c22311b Michael Niedermayer
                                (frame_topBand  + frame_bottomBand)) ||
2217 18a54b04 Luca Abeni
                        (codec->pix_fmt != icodec->pix_fmt));
2218 c3f11d19 Luca Abeni
                if (ost->video_crop) {
2219 352666c1 Eric Buehl
                    ost->topBand    = ost->original_topBand    = frame_topBand;
2220
                    ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2221
                    ost->leftBand   = ost->original_leftBand   = frame_leftBand;
2222
                    ost->rightBand  = ost->original_rightBand  = frame_rightBand;
2223 c3f11d19 Luca Abeni
                }
2224
                if (ost->video_resample) {
2225 2de28abb Michael Niedermayer
                    avcodec_get_frame_defaults(&ost->pict_tmp);
2226 9d58e0a9 Baptiste Coudurier
                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2227
                                         codec->width, codec->height)) {
2228 eddc482d Baptiste Coudurier
                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2229 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2230 eddc482d Baptiste Coudurier
                    }
2231 9de8e6ac Ronald S. Bultje
                    sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2232 18a54b04 Luca Abeni
                    ost->img_resample_ctx = sws_getContext(
2233
                            icodec->width - (frame_leftBand + frame_rightBand),
2234
                            icodec->height - (frame_topBand + frame_bottomBand),
2235
                            icodec->pix_fmt,
2236 0c22311b Michael Niedermayer
                            codec->width,
2237
                            codec->height,
2238 18a54b04 Luca Abeni
                            codec->pix_fmt,
2239
                            sws_flags, NULL, NULL, NULL);
2240 0b50ac8a Luca Abeni
                    if (ost->img_resample_ctx == NULL) {
2241
                        fprintf(stderr, "Cannot get resampling context\n");
2242 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2243 0b50ac8a Luca Abeni
                    }
2244 352666c1 Eric Buehl
2245 46847a33 Michael Niedermayer
#if !CONFIG_AVFILTER
2246 352666c1 Eric Buehl
                    ost->original_height = icodec->height;
2247
                    ost->original_width  = icodec->width;
2248 46847a33 Michael Niedermayer
#endif
2249 a39b76ea Michael Niedermayer
                    codec->bits_per_raw_sample= 0;
2250 85f07f22 Fabrice Bellard
                }
2251 b83ccbff Michael Niedermayer
                ost->resample_height = icodec->height - (frame_topBand  + frame_bottomBand);
2252
                ost->resample_width  = icodec->width  - (frame_leftBand + frame_rightBand);
2253
                ost->resample_pix_fmt= icodec->pix_fmt;
2254 85f07f22 Fabrice Bellard
                ost->encoding_needed = 1;
2255
                ist->decoding_needed = 1;
2256 46847a33 Michael Niedermayer
2257
#if CONFIG_AVFILTER
2258
                if (configure_filters(ist, ost)) {
2259
                    fprintf(stderr, "Error opening filters!\n");
2260
                    exit(1);
2261
                }
2262
#endif
2263 1629626f Fabrice Bellard
                break;
2264 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_SUBTITLE:
2265 cf7fc795 Fabrice Bellard
                ost->encoding_needed = 1;
2266
                ist->decoding_needed = 1;
2267
                break;
2268 1629626f Fabrice Bellard
            default:
2269 0f4e8165 Ronald S. Bultje
                abort();
2270 cf7fc795 Fabrice Bellard
                break;
2271 85f07f22 Fabrice Bellard
            }
2272 1629626f Fabrice Bellard
            /* two pass mode */
2273 115329f1 Diego Biurrun
            if (ost->encoding_needed &&
2274 1629626f Fabrice Bellard
                (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2275
                char logfilename[1024];
2276
                FILE *f;
2277 115329f1 Diego Biurrun
2278
                snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2279 22730e87 Stefano Sabatini
                         pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2280
                         i);
2281 1629626f Fabrice Bellard
                if (codec->flags & CODEC_FLAG_PASS1) {
2282 c56e9e05 Ramiro Polla
                    f = fopen(logfilename, "wb");
2283 1629626f Fabrice Bellard
                    if (!f) {
2284 42d1d06e Stefano Sabatini
                        fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2285 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2286 1629626f Fabrice Bellard
                    }
2287
                    ost->logfile = f;
2288
                } else {
2289 458b062d Stefano Sabatini
                    char  *logbuffer;
2290
                    size_t logbuffer_size;
2291
                    if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2292
                        fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2293 639e4ec8 Stefano Sabatini
                        ffmpeg_exit(1);
2294 1629626f Fabrice Bellard
                    }
2295
                    codec->stats_in = logbuffer;
2296 5abdb4b1 Fabrice Bellard
                }
2297
            }
2298
        }
2299 72415b2a Stefano Sabatini
        if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2300 8a6cb114 Michael Niedermayer
            int size= codec->width * codec->height;
2301 c027e91a Peter Ross
            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2302 8a6cb114 Michael Niedermayer
        }
2303 85f07f22 Fabrice Bellard
    }
2304
2305 8a6cb114 Michael Niedermayer
    if (!bit_buffer)
2306
        bit_buffer = av_malloc(bit_buffer_size);
2307 002c95d7 Baptiste Coudurier
    if (!bit_buffer) {
2308 50f3fabc Måns Rullgård
        fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2309
                bit_buffer_size);
2310 002c95d7 Baptiste Coudurier
        ret = AVERROR(ENOMEM);
2311 8a6cb114 Michael Niedermayer
        goto fail;
2312 1629626f Fabrice Bellard
    }
2313
2314 85f07f22 Fabrice Bellard
    /* open each encoder */
2315
    for(i=0;i<nb_ostreams;i++) {
2316
        ost = ost_table[i];
2317
        if (ost->encoding_needed) {
2318 0a6d97b3 Aurelien Jacobs
            AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2319 6488cf9b Aurelien Jacobs
            if (!codec)
2320 fd2b356a Aurelien Jacobs
                codec = avcodec_find_encoder(ost->st->codec->codec_id);
2321 85f07f22 Fabrice Bellard
            if (!codec) {
2322 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2323
                         ost->st->codec->codec_id, ost->file_index, ost->index);
2324 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2325
                goto dump_format;
2326 85f07f22 Fabrice Bellard
            }
2327 01f4895c Michael Niedermayer
            if (avcodec_open(ost->st->codec, codec) < 0) {
2328 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2329 85f07f22 Fabrice Bellard
                        ost->file_index, ost->index);
2330 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2331
                goto dump_format;
2332 85f07f22 Fabrice Bellard
            }
2333 01f4895c Michael Niedermayer
            extra_size += ost->st->codec->extradata_size;
2334 85f07f22 Fabrice Bellard
        }
2335
    }
2336
2337
    /* open each decoder */
2338
    for(i=0;i<nb_istreams;i++) {
2339
        ist = ist_table[i];
2340
        if (ist->decoding_needed) {
2341 311e223f Aurelien Jacobs
            AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2342 6488cf9b Aurelien Jacobs
            if (!codec)
2343 fd2b356a Aurelien Jacobs
                codec = avcodec_find_decoder(ist->st->codec->codec_id);
2344 85f07f22 Fabrice Bellard
            if (!codec) {
2345 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2346 01f4895c Michael Niedermayer
                        ist->st->codec->codec_id, ist->file_index, ist->index);
2347 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2348
                goto dump_format;
2349 85f07f22 Fabrice Bellard
            }
2350 01f4895c Michael Niedermayer
            if (avcodec_open(ist->st->codec, codec) < 0) {
2351 f356fc57 Baptiste Coudurier
                snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2352 85f07f22 Fabrice Bellard
                        ist->file_index, ist->index);
2353 002c95d7 Baptiste Coudurier
                ret = AVERROR(EINVAL);
2354
                goto dump_format;
2355 85f07f22 Fabrice Bellard
            }
2356 72415b2a Stefano Sabatini
            //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2357 01f4895c Michael Niedermayer
            //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2358 85f07f22 Fabrice Bellard
        }
2359
    }
2360
2361
    /* init pts */
2362
    for(i=0;i<nb_istreams;i++) {
2363 b8c93c48 Michael Niedermayer
        AVStream *st;
2364 85f07f22 Fabrice Bellard
        ist = ist_table[i];
2365 b8c93c48 Michael Niedermayer
        st= ist->st;
2366
        ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2367 48291040 Michael Niedermayer
        ist->next_pts = AV_NOPTS_VALUE;
2368 0ff4f0c0 Alexander Strange
        init_pts_correction(&ist->pts_ctx);
2369 ff4905a5 Michael Niedermayer
        ist->is_start = 1;
2370 85f07f22 Fabrice Bellard
    }
2371 c5e1e982 Justin Johnson
2372 0a38bafd Patrice Bensoussan
    /* set meta data information from input file if required */
2373
    for (i=0;i<nb_meta_data_maps;i++) {
2374
        AVFormatContext *out_file;
2375
        AVFormatContext *in_file;
2376 a5926d85 Aurelien Jacobs
        AVMetadataTag *mtag;
2377 0a38bafd Patrice Bensoussan
2378
        int out_file_index = meta_data_maps[i].out_file;
2379
        int in_file_index = meta_data_maps[i].in_file;
2380 9d58e0a9 Baptiste Coudurier
        if (out_file_index < 0 || out_file_index >= nb_output_files) {
2381 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2382
                     out_file_index, out_file_index, in_file_index);
2383 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2384 002c95d7 Baptiste Coudurier
            goto dump_format;
2385 0a38bafd Patrice Bensoussan
        }
2386 9d58e0a9 Baptiste Coudurier
        if (in_file_index < 0 || in_file_index >= nb_input_files) {
2387 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2388
                     in_file_index, out_file_index, in_file_index);
2389 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2390 002c95d7 Baptiste Coudurier
            goto dump_format;
2391 115329f1 Diego Biurrun
        }
2392
2393 0a38bafd Patrice Bensoussan
        out_file = output_files[out_file_index];
2394
        in_file = input_files[in_file_index];
2395
2396 a5926d85 Aurelien Jacobs
2397
        mtag=NULL;
2398
        while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2399 1a6498d7 Anton Khirnov
            av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
2400 0a38bafd Patrice Bensoussan
    }
2401 115329f1 Diego Biurrun
2402 7a39f142 Anton Khirnov
    /* copy chapters from the first input file that has them*/
2403
    for (i = 0; i < nb_input_files; i++) {
2404
        if (!input_files[i]->nb_chapters)
2405
            continue;
2406
2407
        for (j = 0; j < nb_output_files; j++)
2408
            if ((ret = copy_chapters(i, j)) < 0)
2409
                goto dump_format;
2410
    }
2411
2412 85f07f22 Fabrice Bellard
    /* open files and write file headers */
2413
    for(i=0;i<nb_output_files;i++) {
2414
        os = output_files[i];
2415 79fdaa4c Fabrice Bellard
        if (av_write_header(os) < 0) {
2416 002c95d7 Baptiste Coudurier
            snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2417 8fa36ae0 François Revol
            ret = AVERROR(EINVAL);
2418 002c95d7 Baptiste Coudurier
            goto dump_format;
2419 a38469e1 Fabrice Bellard
        }
2420 6d1ba1ac Luca Abeni
        if (strcmp(output_files[i]->oformat->name, "rtp")) {
2421
            want_sdp = 0;
2422
        }
2423
    }
2424 002c95d7 Baptiste Coudurier
2425
 dump_format:
2426
    /* dump the file output parameters - cannot be done before in case
2427
       of stream copy */
2428
    for(i=0;i<nb_output_files;i++) {
2429
        dump_format(output_files[i], i, output_files[i]->filename, 1);
2430
    }
2431
2432
    /* dump the stream mapping */
2433
    if (verbose >= 0) {
2434
        fprintf(stderr, "Stream mapping:\n");
2435
        for(i=0;i<nb_ostreams;i++) {
2436
            ost = ost_table[i];
2437
            fprintf(stderr, "  Stream #%d.%d -> #%d.%d",
2438
                    ist_table[ost->source_index]->file_index,
2439
                    ist_table[ost->source_index]->index,
2440
                    ost->file_index,
2441
                    ost->index);
2442
            if (ost->sync_ist != ist_table[ost->source_index])
2443
                fprintf(stderr, " [sync #%d.%d]",
2444
                        ost->sync_ist->file_index,
2445
                        ost->sync_ist->index);
2446
            fprintf(stderr, "\n");
2447
        }
2448
    }
2449
2450
    if (ret) {
2451
        fprintf(stderr, "%s\n", error);
2452
        goto fail;
2453
    }
2454
2455 6d1ba1ac Luca Abeni
    if (want_sdp) {
2456
        print_sdp(output_files, nb_output_files);
2457 85f07f22 Fabrice Bellard
    }
2458
2459 9d58e0a9 Baptiste Coudurier
    if (!using_stdin && verbose >= 0) {
2460 d9a916e2 Charles Yates
        fprintf(stderr, "Press [q] to stop encoding\n");
2461 b51469a0 Leon van Stuivenberg
        url_set_interrupt_cb(decode_interrupt_cb);
2462
    }
2463 a38469e1 Fabrice Bellard
    term_init();
2464
2465 7fc98937 Limin Wang
    timer_start = av_gettime();
2466 51bd4565 Philip Gladstone
2467 d9a916e2 Charles Yates
    for(; received_sigterm == 0;) {
2468 85f07f22 Fabrice Bellard
        int file_index, ist_index;
2469
        AVPacket pkt;
2470 a9aeda81 Patrice Bensoussan
        double ipts_min;
2471
        double opts_min;
2472 23ffe323 Michael Niedermayer
2473 85f07f22 Fabrice Bellard
    redo:
2474 a9aeda81 Patrice Bensoussan
        ipts_min= 1e100;
2475
        opts_min= 1e100;
2476 a38469e1 Fabrice Bellard
        /* if 'q' pressed, exits */
2477 d9a916e2 Charles Yates
        if (!using_stdin) {
2478 b51469a0 Leon van Stuivenberg
            if (q_pressed)
2479
                break;
2480 cb09b2ed Philip Gladstone
            /* read_key() returns 0 on EOF */
2481
            key = read_key();
2482
            if (key == 'q')
2483
                break;
2484
        }
2485 a38469e1 Fabrice Bellard
2486 ec5517d5 Fabrice Bellard
        /* select the stream that we must read now by looking at the
2487
           smallest output pts */
2488 85f07f22 Fabrice Bellard
        file_index = -1;
2489 ec5517d5 Fabrice Bellard
        for(i=0;i<nb_ostreams;i++) {
2490 23ffe323 Michael Niedermayer
            double ipts, opts;
2491 ec5517d5 Fabrice Bellard
            ost = ost_table[i];
2492
            os = output_files[ost->file_index];
2493
            ist = ist_table[ost->source_index];
2494 55a7e946 Wolfram Gloger
            if(ist->is_past_recording_time || no_packet[ist->file_index])
2495 545465ec Michael Niedermayer
                continue;
2496 c0df9d75 Michael Niedermayer
                opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2497 23ffe323 Michael Niedermayer
            ipts = (double)ist->pts;
2498
            if (!file_table[ist->file_index].eof_reached){
2499
                if(ipts < ipts_min) {
2500
                    ipts_min = ipts;
2501
                    if(input_sync ) file_index = ist->file_index;
2502
                }
2503
                if(opts < opts_min) {
2504
                    opts_min = opts;
2505
                    if(!input_sync) file_index = ist->file_index;
2506
                }
2507 85f07f22 Fabrice Bellard
            }
2508 01f4895c Michael Niedermayer
            if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2509 7ca60994 Michael Niedermayer
                file_index= -1;
2510
                break;
2511
            }
2512 85f07f22 Fabrice Bellard
        }
2513
        /* if none, if is finished */
2514 51bd4565 Philip Gladstone
        if (file_index < 0) {
2515 545465ec Michael Niedermayer
            if(no_packet_count){
2516
                no_packet_count=0;
2517
                memset(no_packet, 0, sizeof(no_packet));
2518 d61f30a7 Michael Niedermayer
                usleep(10000);
2519 545465ec Michael Niedermayer
                continue;
2520
            }
2521 85f07f22 Fabrice Bellard
            break;
2522