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ffmpeg / ffplay.c @ 2f821b03

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1 01310af2 Fabrice Bellard
/*
2 f05ef45c Stefano Sabatini
 * FFplay : Simple Media Player based on the FFmpeg libraries
3 01310af2 Fabrice Bellard
 * Copyright (c) 2003 Fabrice Bellard
4
 *
5 b78e7197 Diego Biurrun
 * This file is part of FFmpeg.
6
 *
7
 * FFmpeg is free software; you can redistribute it and/or
8 01310af2 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 01310af2 Fabrice Bellard
 *
12 b78e7197 Diego Biurrun
 * FFmpeg is distributed in the hope that it will be useful,
13 01310af2 Fabrice Bellard
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15
 * Lesser General Public License for more details.
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 *
17
 * 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 01310af2 Fabrice Bellard
 */
21 364a9607 Diego Biurrun
22 ba11257e Diego Biurrun
#include "config.h"
23 8a3ceaf4 Måns Rullgård
#include <inttypes.h>
24 0f4e8165 Ronald S. Bultje
#include <math.h>
25
#include <limits.h>
26 245976da Diego Biurrun
#include "libavutil/avstring.h"
27 718c7b18 Stefano Sabatini
#include "libavutil/pixdesc.h"
28 245976da Diego Biurrun
#include "libavformat/avformat.h"
29
#include "libavdevice/avdevice.h"
30
#include "libswscale/swscale.h"
31 5a4476e2 Peter Ross
#include "libavcodec/audioconvert.h"
32 a7e6312b Stefano Sabatini
#include "libavcodec/colorspace.h"
33 e43d7a18 Michael Niedermayer
#include "libavcodec/opt.h"
34 166621ab Måns Rullgård
#include "libavcodec/avfft.h"
35 01310af2 Fabrice Bellard
36 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
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# include "libavfilter/avfilter.h"
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# include "libavfilter/avfiltergraph.h"
39
# include "libavfilter/graphparser.h"
40
#endif
41
42 01310af2 Fabrice Bellard
#include "cmdutils.h"
43
44
#include <SDL.h>
45
#include <SDL_thread.h>
46
47 2f30a81d Diego Biurrun
#ifdef __MINGW32__
48 31319a8c Fabrice Bellard
#undef main /* We don't want SDL to override our main() */
49
#endif
50
51 d38c9e7a Michael Niedermayer
#include <unistd.h>
52
#include <assert.h>
53
54 64555bd9 Michael Niedermayer
const char program_name[] = "FFplay";
55 ea9c581f Stefano Sabatini
const int program_birth_year = 2003;
56 4cfac5bc Stefano Sabatini
57 638c9d91 Fabrice Bellard
//#define DEBUG_SYNC
58
59 79ee4683 Michael Niedermayer
#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
60
#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
61
#define MIN_FRAMES 5
62 01310af2 Fabrice Bellard
63 638c9d91 Fabrice Bellard
/* SDL audio buffer size, in samples. Should be small to have precise
64
   A/V sync as SDL does not have hardware buffer fullness info. */
65
#define SDL_AUDIO_BUFFER_SIZE 1024
66
67
/* no AV sync correction is done if below the AV sync threshold */
68 7e0140cb Michael Niedermayer
#define AV_SYNC_THRESHOLD 0.01
69 638c9d91 Fabrice Bellard
/* no AV correction is done if too big error */
70
#define AV_NOSYNC_THRESHOLD 10.0
71
72 d38c9e7a Michael Niedermayer
#define FRAME_SKIP_FACTOR 0.05
73
74 638c9d91 Fabrice Bellard
/* maximum audio speed change to get correct sync */
75
#define SAMPLE_CORRECTION_PERCENT_MAX 10
76
77
/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
78
#define AUDIO_DIFF_AVG_NB   20
79
80 01310af2 Fabrice Bellard
/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
81
#define SAMPLE_ARRAY_SIZE (2*65536)
82
83 917d2bb3 Michael Niedermayer
#if !CONFIG_AVFILTER
84 03ae87a3 Luca Abeni
static int sws_flags = SWS_BICUBIC;
85 917d2bb3 Michael Niedermayer
#endif
86 03ae87a3 Luca Abeni
87 01310af2 Fabrice Bellard
typedef struct PacketQueue {
88
    AVPacketList *first_pkt, *last_pkt;
89
    int nb_packets;
90
    int size;
91
    int abort_request;
92
    SDL_mutex *mutex;
93
    SDL_cond *cond;
94
} PacketQueue;
95
96 562f382c Michael Niedermayer
#define VIDEO_PICTURE_QUEUE_SIZE 2
97 72ce053b Ian Caulfield
#define SUBPICTURE_QUEUE_SIZE 4
98 01310af2 Fabrice Bellard
99
typedef struct VideoPicture {
100 267e9dfa Michael Niedermayer
    double pts;                                  ///<presentation time stamp for this picture
101 d38c9e7a Michael Niedermayer
    double target_clock;                         ///<av_gettime() time at which this should be displayed ideally
102 1a620dd7 Michael Niedermayer
    int64_t pos;                                 ///<byte position in file
103 01310af2 Fabrice Bellard
    SDL_Overlay *bmp;
104
    int width, height; /* source height & width */
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    int allocated;
106 917d2bb3 Michael Niedermayer
    enum PixelFormat pix_fmt;
107
108
#if CONFIG_AVFILTER
109
    AVFilterPicRef *picref;
110
#endif
111 01310af2 Fabrice Bellard
} VideoPicture;
112
113 72ce053b Ian Caulfield
typedef struct SubPicture {
114
    double pts; /* presentation time stamp for this picture */
115
    AVSubtitle sub;
116
} SubPicture;
117
118 01310af2 Fabrice Bellard
enum {
119
    AV_SYNC_AUDIO_MASTER, /* default choice */
120
    AV_SYNC_VIDEO_MASTER,
121 638c9d91 Fabrice Bellard
    AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
122 01310af2 Fabrice Bellard
};
123
124
typedef struct VideoState {
125
    SDL_Thread *parse_tid;
126
    SDL_Thread *video_tid;
127 d38c9e7a Michael Niedermayer
    SDL_Thread *refresh_tid;
128 638c9d91 Fabrice Bellard
    AVInputFormat *iformat;
129 01310af2 Fabrice Bellard
    int no_background;
130
    int abort_request;
131
    int paused;
132 416e3508 Fabrice Bellard
    int last_paused;
133 72ea344b Fabrice Bellard
    int seek_req;
134 3ba1438d Michael Niedermayer
    int seek_flags;
135 72ea344b Fabrice Bellard
    int64_t seek_pos;
136 4ed29207 Michael Niedermayer
    int64_t seek_rel;
137 f5668147 Michael Niedermayer
    int read_pause_return;
138 01310af2 Fabrice Bellard
    AVFormatContext *ic;
139
    int dtg_active_format;
140
141
    int audio_stream;
142 115329f1 Diego Biurrun
143 01310af2 Fabrice Bellard
    int av_sync_type;
144 638c9d91 Fabrice Bellard
    double external_clock; /* external clock base */
145
    int64_t external_clock_time;
146 115329f1 Diego Biurrun
147 638c9d91 Fabrice Bellard
    double audio_clock;
148
    double audio_diff_cum; /* used for AV difference average computation */
149
    double audio_diff_avg_coef;
150
    double audio_diff_threshold;
151
    int audio_diff_avg_count;
152 01310af2 Fabrice Bellard
    AVStream *audio_st;
153
    PacketQueue audioq;
154
    int audio_hw_buf_size;
155
    /* samples output by the codec. we reserve more space for avsync
156
       compensation */
157 c6727809 Måns Rullgård
    DECLARE_ALIGNED(16,uint8_t,audio_buf1)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
158
    DECLARE_ALIGNED(16,uint8_t,audio_buf2)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
159 5a4476e2 Peter Ross
    uint8_t *audio_buf;
160 7fea94ce Zdenek Kabelac
    unsigned int audio_buf_size; /* in bytes */
161 01310af2 Fabrice Bellard
    int audio_buf_index; /* in bytes */
162 bea18375 Thilo Borgmann
    AVPacket audio_pkt_temp;
163 01310af2 Fabrice Bellard
    AVPacket audio_pkt;
164 5a4476e2 Peter Ross
    enum SampleFormat audio_src_fmt;
165
    AVAudioConvert *reformat_ctx;
166 115329f1 Diego Biurrun
167 01310af2 Fabrice Bellard
    int show_audio; /* if true, display audio samples */
168
    int16_t sample_array[SAMPLE_ARRAY_SIZE];
169
    int sample_array_index;
170 5e0257e3 Fabrice Bellard
    int last_i_start;
171 166621ab Måns Rullgård
    RDFTContext *rdft;
172 12eeda34 Michael Niedermayer
    int rdft_bits;
173
    int xpos;
174 115329f1 Diego Biurrun
175 72ce053b Ian Caulfield
    SDL_Thread *subtitle_tid;
176
    int subtitle_stream;
177
    int subtitle_stream_changed;
178
    AVStream *subtitle_st;
179
    PacketQueue subtitleq;
180
    SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
181
    int subpq_size, subpq_rindex, subpq_windex;
182
    SDL_mutex *subpq_mutex;
183
    SDL_cond *subpq_cond;
184 115329f1 Diego Biurrun
185 638c9d91 Fabrice Bellard
    double frame_timer;
186
    double frame_last_pts;
187
    double frame_last_delay;
188 115329f1 Diego Biurrun
    double video_clock;                          ///<pts of last decoded frame / predicted pts of next decoded frame
189 01310af2 Fabrice Bellard
    int video_stream;
190
    AVStream *video_st;
191
    PacketQueue videoq;
192 267e9dfa Michael Niedermayer
    double video_current_pts;                    ///<current displayed pts (different from video_clock if frame fifos are used)
193 68aefbe8 Michael Niedermayer
    double video_current_pts_drift;              ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
194 1a620dd7 Michael Niedermayer
    int64_t video_current_pos;                   ///<current displayed file pos
195 01310af2 Fabrice Bellard
    VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
196
    int pictq_size, pictq_rindex, pictq_windex;
197
    SDL_mutex *pictq_mutex;
198
    SDL_cond *pictq_cond;
199 917d2bb3 Michael Niedermayer
#if !CONFIG_AVFILTER
200 3ac56e28 Martin Storsjö
    struct SwsContext *img_convert_ctx;
201 917d2bb3 Michael Niedermayer
#endif
202 115329f1 Diego Biurrun
203 01310af2 Fabrice Bellard
    //    QETimer *video_timer;
204
    char filename[1024];
205
    int width, height, xleft, ytop;
206 41db429d Michael Niedermayer
207
    int64_t faulty_pts;
208
    int64_t faulty_dts;
209
    int64_t last_dts_for_fault_detection;
210
    int64_t last_pts_for_fault_detection;
211
212 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
213
    AVFilterContext *out_video_filter;          ///<the last filter in the video chain
214
#endif
215 d38c9e7a Michael Niedermayer
216
    float skip_frames;
217
    float skip_frames_index;
218
    int refresh;
219 01310af2 Fabrice Bellard
} VideoState;
220
221 358061f6 Diego Pettenò
static void show_help(void);
222 638c9d91 Fabrice Bellard
static int audio_write_get_buf_size(VideoState *is);
223 01310af2 Fabrice Bellard
224
/* options specified by the user */
225
static AVInputFormat *file_iformat;
226
static const char *input_filename;
227
static int fs_screen_width;
228
static int fs_screen_height;
229 fccb19e3 Michael Niedermayer
static int screen_width = 0;
230
static int screen_height = 0;
231 e4b89522 Limin Wang
static int frame_width = 0;
232
static int frame_height = 0;
233
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
234 01310af2 Fabrice Bellard
static int audio_disable;
235
static int video_disable;
236 5b369983 Michael Niedermayer
static int wanted_stream[CODEC_TYPE_NB]={
237 9f7490a0 Michael Niedermayer
    [CODEC_TYPE_AUDIO]=-1,
238
    [CODEC_TYPE_VIDEO]=-1,
239 5b369983 Michael Niedermayer
    [CODEC_TYPE_SUBTITLE]=-1,
240
};
241 70a4764d Michael Niedermayer
static int seek_by_bytes=-1;
242 01310af2 Fabrice Bellard
static int display_disable;
243 1e1a0b18 Baptiste Coudurier
static int show_status = 1;
244 638c9d91 Fabrice Bellard
static int av_sync_type = AV_SYNC_AUDIO_MASTER;
245 72ea344b Fabrice Bellard
static int64_t start_time = AV_NOPTS_VALUE;
246 e26a8335 Wolfgang Hesseler
static int debug = 0;
247 0c9bbaec Wolfgang Hesseler
static int debug_mv = 0;
248 bba04f1e Wolfgang Hesseler
static int step = 0;
249 c62c07d3 Michael Niedermayer
static int thread_count = 1;
250 6387c3e6 Michael Niedermayer
static int workaround_bugs = 1;
251 6fc5b059 Michael Niedermayer
static int fast = 0;
252 30bc6613 Michael Niedermayer
static int genpts = 0;
253 178fcca8 Michael Niedermayer
static int lowres = 0;
254
static int idct = FF_IDCT_AUTO;
255 8c3eba7c Michael Niedermayer
static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
256
static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
257
static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
258 047599a4 Michael Niedermayer
static int error_recognition = FF_ER_CAREFUL;
259 1b51e051 Michael Niedermayer
static int error_concealment = 3;
260 41db429d Michael Niedermayer
static int decoder_reorder_pts= -1;
261 2d1653b0 Michael Niedermayer
static int autoexit;
262 d38c9e7a Michael Niedermayer
static int framedrop=1;
263 2b3da32f Michael Niedermayer
264
static int rdftspeed=20;
265 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
266
static char *vfilters = NULL;
267
#endif
268 01310af2 Fabrice Bellard
269
/* current context */
270
static int is_full_screen;
271
static VideoState *cur_stream;
272 5e0257e3 Fabrice Bellard
static int64_t audio_callback_time;
273 01310af2 Fabrice Bellard
274 2c676c33 Diego Pettenò
static AVPacket flush_pkt;
275 39c6a118 Michael Niedermayer
276 01310af2 Fabrice Bellard
#define FF_ALLOC_EVENT   (SDL_USEREVENT)
277
#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
278 638c9d91 Fabrice Bellard
#define FF_QUIT_EVENT    (SDL_USEREVENT + 2)
279 01310af2 Fabrice Bellard
280 2c676c33 Diego Pettenò
static SDL_Surface *screen;
281 01310af2 Fabrice Bellard
282 515bd00e Michael Niedermayer
static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
283
284 01310af2 Fabrice Bellard
/* packet queue handling */
285
static void packet_queue_init(PacketQueue *q)
286
{
287
    memset(q, 0, sizeof(PacketQueue));
288
    q->mutex = SDL_CreateMutex();
289
    q->cond = SDL_CreateCond();
290 515bd00e Michael Niedermayer
    packet_queue_put(q, &flush_pkt);
291 01310af2 Fabrice Bellard
}
292
293 72ea344b Fabrice Bellard
static void packet_queue_flush(PacketQueue *q)
294 01310af2 Fabrice Bellard
{
295
    AVPacketList *pkt, *pkt1;
296
297 687fae2b Ivan Wong
    SDL_LockMutex(q->mutex);
298 01310af2 Fabrice Bellard
    for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
299
        pkt1 = pkt->next;
300
        av_free_packet(&pkt->pkt);
301 da6c4573 Michael Niedermayer
        av_freep(&pkt);
302 01310af2 Fabrice Bellard
    }
303 72ea344b Fabrice Bellard
    q->last_pkt = NULL;
304
    q->first_pkt = NULL;
305
    q->nb_packets = 0;
306
    q->size = 0;
307 687fae2b Ivan Wong
    SDL_UnlockMutex(q->mutex);
308 72ea344b Fabrice Bellard
}
309
310
static void packet_queue_end(PacketQueue *q)
311
{
312
    packet_queue_flush(q);
313 01310af2 Fabrice Bellard
    SDL_DestroyMutex(q->mutex);
314
    SDL_DestroyCond(q->cond);
315
}
316
317
static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
318
{
319
    AVPacketList *pkt1;
320
321 72ea344b Fabrice Bellard
    /* duplicate the packet */
322 39c6a118 Michael Niedermayer
    if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
323 72ea344b Fabrice Bellard
        return -1;
324 115329f1 Diego Biurrun
325 01310af2 Fabrice Bellard
    pkt1 = av_malloc(sizeof(AVPacketList));
326
    if (!pkt1)
327
        return -1;
328
    pkt1->pkt = *pkt;
329
    pkt1->next = NULL;
330
331 72ea344b Fabrice Bellard
332 01310af2 Fabrice Bellard
    SDL_LockMutex(q->mutex);
333
334
    if (!q->last_pkt)
335
336
        q->first_pkt = pkt1;
337
    else
338
        q->last_pkt->next = pkt1;
339
    q->last_pkt = pkt1;
340
    q->nb_packets++;
341 7b776589 Aurelien Jacobs
    q->size += pkt1->pkt.size + sizeof(*pkt1);
342 01310af2 Fabrice Bellard
    /* XXX: should duplicate packet data in DV case */
343
    SDL_CondSignal(q->cond);
344
345
    SDL_UnlockMutex(q->mutex);
346
    return 0;
347
}
348
349
static void packet_queue_abort(PacketQueue *q)
350
{
351
    SDL_LockMutex(q->mutex);
352
353
    q->abort_request = 1;
354 115329f1 Diego Biurrun
355 01310af2 Fabrice Bellard
    SDL_CondSignal(q->cond);
356
357
    SDL_UnlockMutex(q->mutex);
358
}
359
360
/* return < 0 if aborted, 0 if no packet and > 0 if packet.  */
361
static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
362
{
363
    AVPacketList *pkt1;
364
    int ret;
365
366
    SDL_LockMutex(q->mutex);
367
368
    for(;;) {
369
        if (q->abort_request) {
370
            ret = -1;
371
            break;
372
        }
373 115329f1 Diego Biurrun
374 01310af2 Fabrice Bellard
        pkt1 = q->first_pkt;
375
        if (pkt1) {
376
            q->first_pkt = pkt1->next;
377
            if (!q->first_pkt)
378
                q->last_pkt = NULL;
379
            q->nb_packets--;
380 7b776589 Aurelien Jacobs
            q->size -= pkt1->pkt.size + sizeof(*pkt1);
381 01310af2 Fabrice Bellard
            *pkt = pkt1->pkt;
382
            av_free(pkt1);
383
            ret = 1;
384
            break;
385
        } else if (!block) {
386
            ret = 0;
387
            break;
388
        } else {
389
            SDL_CondWait(q->cond, q->mutex);
390
        }
391
    }
392
    SDL_UnlockMutex(q->mutex);
393
    return ret;
394
}
395
396 115329f1 Diego Biurrun
static inline void fill_rectangle(SDL_Surface *screen,
397 01310af2 Fabrice Bellard
                                  int x, int y, int w, int h, int color)
398
{
399
    SDL_Rect rect;
400
    rect.x = x;
401
    rect.y = y;
402
    rect.w = w;
403
    rect.h = h;
404
    SDL_FillRect(screen, &rect, color);
405
}
406
407
#if 0
408
/* draw only the border of a rectangle */
409
void fill_border(VideoState *s, int x, int y, int w, int h, int color)
410
{
411
    int w1, w2, h1, h2;
412

413
    /* fill the background */
414
    w1 = x;
415
    if (w1 < 0)
416
        w1 = 0;
417
    w2 = s->width - (x + w);
418
    if (w2 < 0)
419
        w2 = 0;
420
    h1 = y;
421
    if (h1 < 0)
422
        h1 = 0;
423
    h2 = s->height - (y + h);
424
    if (h2 < 0)
425
        h2 = 0;
426 115329f1 Diego Biurrun
    fill_rectangle(screen,
427
                   s->xleft, s->ytop,
428
                   w1, s->height,
429 01310af2 Fabrice Bellard
                   color);
430 115329f1 Diego Biurrun
    fill_rectangle(screen,
431
                   s->xleft + s->width - w2, s->ytop,
432
                   w2, s->height,
433 01310af2 Fabrice Bellard
                   color);
434 115329f1 Diego Biurrun
    fill_rectangle(screen,
435
                   s->xleft + w1, s->ytop,
436
                   s->width - w1 - w2, h1,
437 01310af2 Fabrice Bellard
                   color);
438 115329f1 Diego Biurrun
    fill_rectangle(screen,
439 01310af2 Fabrice Bellard
                   s->xleft + w1, s->ytop + s->height - h2,
440
                   s->width - w1 - w2, h2,
441
                   color);
442
}
443
#endif
444
445 72ce053b Ian Caulfield
#define ALPHA_BLEND(a, oldp, newp, s)\
446
((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
447
448
#define RGBA_IN(r, g, b, a, s)\
449
{\
450
    unsigned int v = ((const uint32_t *)(s))[0];\
451
    a = (v >> 24) & 0xff;\
452
    r = (v >> 16) & 0xff;\
453
    g = (v >> 8) & 0xff;\
454
    b = v & 0xff;\
455
}
456
457
#define YUVA_IN(y, u, v, a, s, pal)\
458
{\
459 57cf99f2 Reimar Döffinger
    unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
460 72ce053b Ian Caulfield
    a = (val >> 24) & 0xff;\
461
    y = (val >> 16) & 0xff;\
462
    u = (val >> 8) & 0xff;\
463
    v = val & 0xff;\
464
}
465
466
#define YUVA_OUT(d, y, u, v, a)\
467
{\
468
    ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
469
}
470
471
472
#define BPP 1
473
474 0a8cd696 Reimar Döffinger
static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
475 72ce053b Ian Caulfield
{
476
    int wrap, wrap3, width2, skip2;
477
    int y, u, v, a, u1, v1, a1, w, h;
478
    uint8_t *lum, *cb, *cr;
479
    const uint8_t *p;
480
    const uint32_t *pal;
481 9cb5a11e Reimar Döffinger
    int dstx, dsty, dstw, dsth;
482
483 7cf9c6ae Michael Niedermayer
    dstw = av_clip(rect->w, 0, imgw);
484
    dsth = av_clip(rect->h, 0, imgh);
485
    dstx = av_clip(rect->x, 0, imgw - dstw);
486
    dsty = av_clip(rect->y, 0, imgh - dsth);
487 9cb5a11e Reimar Döffinger
    lum = dst->data[0] + dsty * dst->linesize[0];
488
    cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
489
    cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
490
491 f54b31b9 Björn Axelsson
    width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
492 9cb5a11e Reimar Döffinger
    skip2 = dstx >> 1;
493 72ce053b Ian Caulfield
    wrap = dst->linesize[0];
494 25b4c651 Michael Niedermayer
    wrap3 = rect->pict.linesize[0];
495
    p = rect->pict.data[0];
496
    pal = (const uint32_t *)rect->pict.data[1];  /* Now in YCrCb! */
497 115329f1 Diego Biurrun
498 9cb5a11e Reimar Döffinger
    if (dsty & 1) {
499
        lum += dstx;
500 72ce053b Ian Caulfield
        cb += skip2;
501
        cr += skip2;
502 115329f1 Diego Biurrun
503 9cb5a11e Reimar Döffinger
        if (dstx & 1) {
504 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
505
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
506
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
507
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
508
            cb++;
509
            cr++;
510
            lum++;
511
            p += BPP;
512
        }
513 9cb5a11e Reimar Döffinger
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
514 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
515
            u1 = u;
516
            v1 = v;
517
            a1 = a;
518
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
519
520
            YUVA_IN(y, u, v, a, p + BPP, pal);
521
            u1 += u;
522
            v1 += v;
523
            a1 += a;
524
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
525
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
526
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
527
            cb++;
528
            cr++;
529
            p += 2 * BPP;
530
            lum += 2;
531
        }
532
        if (w) {
533
            YUVA_IN(y, u, v, a, p, pal);
534
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
535
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
536
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
537 676ef505 Björn Axelsson
            p++;
538
            lum++;
539 72ce053b Ian Caulfield
        }
540 4606a059 Björn Axelsson
        p += wrap3 - dstw * BPP;
541
        lum += wrap - dstw - dstx;
542 72ce053b Ian Caulfield
        cb += dst->linesize[1] - width2 - skip2;
543
        cr += dst->linesize[2] - width2 - skip2;
544
    }
545 9cb5a11e Reimar Döffinger
    for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
546
        lum += dstx;
547 72ce053b Ian Caulfield
        cb += skip2;
548
        cr += skip2;
549 115329f1 Diego Biurrun
550 9cb5a11e Reimar Döffinger
        if (dstx & 1) {
551 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
552
            u1 = u;
553
            v1 = v;
554
            a1 = a;
555
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
556
            p += wrap3;
557
            lum += wrap;
558
            YUVA_IN(y, u, v, a, p, pal);
559
            u1 += u;
560
            v1 += v;
561
            a1 += a;
562
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
563
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
564
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
565
            cb++;
566
            cr++;
567
            p += -wrap3 + BPP;
568
            lum += -wrap + 1;
569
        }
570 9cb5a11e Reimar Döffinger
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
571 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
572
            u1 = u;
573
            v1 = v;
574
            a1 = a;
575
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
576
577 f8ca63e8 Björn Axelsson
            YUVA_IN(y, u, v, a, p + BPP, pal);
578 72ce053b Ian Caulfield
            u1 += u;
579
            v1 += v;
580
            a1 += a;
581
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
582
            p += wrap3;
583
            lum += wrap;
584
585
            YUVA_IN(y, u, v, a, p, pal);
586
            u1 += u;
587
            v1 += v;
588
            a1 += a;
589
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
590
591 f8ca63e8 Björn Axelsson
            YUVA_IN(y, u, v, a, p + BPP, pal);
592 72ce053b Ian Caulfield
            u1 += u;
593
            v1 += v;
594
            a1 += a;
595
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
596
597
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
598
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
599
600
            cb++;
601
            cr++;
602
            p += -wrap3 + 2 * BPP;
603
            lum += -wrap + 2;
604
        }
605
        if (w) {
606
            YUVA_IN(y, u, v, a, p, pal);
607
            u1 = u;
608
            v1 = v;
609
            a1 = a;
610
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
611
            p += wrap3;
612
            lum += wrap;
613
            YUVA_IN(y, u, v, a, p, pal);
614
            u1 += u;
615
            v1 += v;
616
            a1 += a;
617
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
618
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
619
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
620
            cb++;
621
            cr++;
622
            p += -wrap3 + BPP;
623
            lum += -wrap + 1;
624
        }
625 9cb5a11e Reimar Döffinger
        p += wrap3 + (wrap3 - dstw * BPP);
626
        lum += wrap + (wrap - dstw - dstx);
627 72ce053b Ian Caulfield
        cb += dst->linesize[1] - width2 - skip2;
628
        cr += dst->linesize[2] - width2 - skip2;
629
    }
630
    /* handle odd height */
631
    if (h) {
632 9cb5a11e Reimar Döffinger
        lum += dstx;
633 72ce053b Ian Caulfield
        cb += skip2;
634
        cr += skip2;
635 115329f1 Diego Biurrun
636 9cb5a11e Reimar Döffinger
        if (dstx & 1) {
637 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
638
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
639
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
640
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
641
            cb++;
642
            cr++;
643
            lum++;
644
            p += BPP;
645
        }
646 9cb5a11e Reimar Döffinger
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
647 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
648
            u1 = u;
649
            v1 = v;
650
            a1 = a;
651
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
652
653
            YUVA_IN(y, u, v, a, p + BPP, pal);
654
            u1 += u;
655
            v1 += v;
656
            a1 += a;
657
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
658
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
659
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
660
            cb++;
661
            cr++;
662
            p += 2 * BPP;
663
            lum += 2;
664
        }
665
        if (w) {
666
            YUVA_IN(y, u, v, a, p, pal);
667
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
668
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
669
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
670
        }
671
    }
672
}
673
674
static void free_subpicture(SubPicture *sp)
675
{
676
    int i;
677 115329f1 Diego Biurrun
678 72ce053b Ian Caulfield
    for (i = 0; i < sp->sub.num_rects; i++)
679
    {
680 25b4c651 Michael Niedermayer
        av_freep(&sp->sub.rects[i]->pict.data[0]);
681
        av_freep(&sp->sub.rects[i]->pict.data[1]);
682 db4fac64 Michael Niedermayer
        av_freep(&sp->sub.rects[i]);
683 72ce053b Ian Caulfield
    }
684 115329f1 Diego Biurrun
685 72ce053b Ian Caulfield
    av_free(sp->sub.rects);
686 115329f1 Diego Biurrun
687 72ce053b Ian Caulfield
    memset(&sp->sub, 0, sizeof(AVSubtitle));
688
}
689
690 01310af2 Fabrice Bellard
static void video_image_display(VideoState *is)
691
{
692
    VideoPicture *vp;
693 72ce053b Ian Caulfield
    SubPicture *sp;
694
    AVPicture pict;
695 01310af2 Fabrice Bellard
    float aspect_ratio;
696
    int width, height, x, y;
697
    SDL_Rect rect;
698 72ce053b Ian Caulfield
    int i;
699 01310af2 Fabrice Bellard
700
    vp = &is->pictq[is->pictq_rindex];
701
    if (vp->bmp) {
702 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
703
         if (vp->picref->pixel_aspect.num == 0)
704
             aspect_ratio = 0;
705
         else
706
             aspect_ratio = av_q2d(vp->picref->pixel_aspect);
707
#else
708
709 01310af2 Fabrice Bellard
        /* XXX: use variable in the frame */
710 c30a4489 Aurelien Jacobs
        if (is->video_st->sample_aspect_ratio.num)
711
            aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
712
        else if (is->video_st->codec->sample_aspect_ratio.num)
713
            aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
714 72ea344b Fabrice Bellard
        else
715 c30a4489 Aurelien Jacobs
            aspect_ratio = 0;
716 917d2bb3 Michael Niedermayer
#endif
717 01310af2 Fabrice Bellard
        if (aspect_ratio <= 0.0)
718 c30a4489 Aurelien Jacobs
            aspect_ratio = 1.0;
719 917d2bb3 Michael Niedermayer
        aspect_ratio *= (float)vp->width / (float)vp->height;
720 01310af2 Fabrice Bellard
        /* if an active format is indicated, then it overrides the
721
           mpeg format */
722
#if 0
723 01f4895c Michael Niedermayer
        if (is->video_st->codec->dtg_active_format != is->dtg_active_format) {
724
            is->dtg_active_format = is->video_st->codec->dtg_active_format;
725 01310af2 Fabrice Bellard
            printf("dtg_active_format=%d\n", is->dtg_active_format);
726
        }
727
#endif
728
#if 0
729 01f4895c Michael Niedermayer
        switch(is->video_st->codec->dtg_active_format) {
730 01310af2 Fabrice Bellard
        case FF_DTG_AFD_SAME:
731
        default:
732
            /* nothing to do */
733
            break;
734
        case FF_DTG_AFD_4_3:
735
            aspect_ratio = 4.0 / 3.0;
736
            break;
737
        case FF_DTG_AFD_16_9:
738
            aspect_ratio = 16.0 / 9.0;
739
            break;
740
        case FF_DTG_AFD_14_9:
741
            aspect_ratio = 14.0 / 9.0;
742
            break;
743
        case FF_DTG_AFD_4_3_SP_14_9:
744
            aspect_ratio = 14.0 / 9.0;
745
            break;
746
        case FF_DTG_AFD_16_9_SP_14_9:
747
            aspect_ratio = 14.0 / 9.0;
748
            break;
749
        case FF_DTG_AFD_SP_4_3:
750
            aspect_ratio = 4.0 / 3.0;
751
            break;
752
        }
753
#endif
754
755 72ce053b Ian Caulfield
        if (is->subtitle_st)
756
        {
757
            if (is->subpq_size > 0)
758
            {
759
                sp = &is->subpq[is->subpq_rindex];
760
761
                if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
762
                {
763
                    SDL_LockYUVOverlay (vp->bmp);
764
765
                    pict.data[0] = vp->bmp->pixels[0];
766
                    pict.data[1] = vp->bmp->pixels[2];
767
                    pict.data[2] = vp->bmp->pixels[1];
768
769
                    pict.linesize[0] = vp->bmp->pitches[0];
770
                    pict.linesize[1] = vp->bmp->pitches[2];
771
                    pict.linesize[2] = vp->bmp->pitches[1];
772
773
                    for (i = 0; i < sp->sub.num_rects; i++)
774 db4fac64 Michael Niedermayer
                        blend_subrect(&pict, sp->sub.rects[i],
775 0a8cd696 Reimar Döffinger
                                      vp->bmp->w, vp->bmp->h);
776 72ce053b Ian Caulfield
777
                    SDL_UnlockYUVOverlay (vp->bmp);
778
                }
779
            }
780
        }
781
782
783 01310af2 Fabrice Bellard
        /* XXX: we suppose the screen has a 1.0 pixel ratio */
784
        height = is->height;
785 bb6c34e5 Michael Niedermayer
        width = ((int)rint(height * aspect_ratio)) & ~1;
786 01310af2 Fabrice Bellard
        if (width > is->width) {
787
            width = is->width;
788 bb6c34e5 Michael Niedermayer
            height = ((int)rint(width / aspect_ratio)) & ~1;
789 01310af2 Fabrice Bellard
        }
790
        x = (is->width - width) / 2;
791
        y = (is->height - height) / 2;
792
        if (!is->no_background) {
793
            /* fill the background */
794
            //            fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
795
        } else {
796
            is->no_background = 0;
797
        }
798
        rect.x = is->xleft + x;
799 2f6547fb Baptiste Coudurier
        rect.y = is->ytop  + y;
800 01310af2 Fabrice Bellard
        rect.w = width;
801
        rect.h = height;
802
        SDL_DisplayYUVOverlay(vp->bmp, &rect);
803
    } else {
804
#if 0
805 115329f1 Diego Biurrun
        fill_rectangle(screen,
806
                       is->xleft, is->ytop, is->width, is->height,
807 01310af2 Fabrice Bellard
                       QERGB(0x00, 0x00, 0x00));
808
#endif
809
    }
810
}
811
812
static inline int compute_mod(int a, int b)
813
{
814
    a = a % b;
815 115329f1 Diego Biurrun
    if (a >= 0)
816 01310af2 Fabrice Bellard
        return a;
817
    else
818
        return a + b;
819
}
820
821
static void video_audio_display(VideoState *s)
822
{
823
    int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
824
    int ch, channels, h, h2, bgcolor, fgcolor;
825
    int16_t time_diff;
826 4c7c7645 Michael Niedermayer
    int rdft_bits, nb_freq;
827
828
    for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
829
        ;
830
    nb_freq= 1<<(rdft_bits-1);
831 115329f1 Diego Biurrun
832 01310af2 Fabrice Bellard
    /* compute display index : center on currently output samples */
833 01f4895c Michael Niedermayer
    channels = s->audio_st->codec->channels;
834 01310af2 Fabrice Bellard
    nb_display_channels = channels;
835 5e0257e3 Fabrice Bellard
    if (!s->paused) {
836 4c7c7645 Michael Niedermayer
        int data_used= s->show_audio==1 ? s->width : (2*nb_freq);
837 5e0257e3 Fabrice Bellard
        n = 2 * channels;
838
        delay = audio_write_get_buf_size(s);
839
        delay /= n;
840 115329f1 Diego Biurrun
841 5e0257e3 Fabrice Bellard
        /* to be more precise, we take into account the time spent since
842
           the last buffer computation */
843
        if (audio_callback_time) {
844
            time_diff = av_gettime() - audio_callback_time;
845 122dcdcb Michael Niedermayer
            delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
846 5e0257e3 Fabrice Bellard
        }
847 115329f1 Diego Biurrun
848 122dcdcb Michael Niedermayer
        delay += 2*data_used;
849 4c7c7645 Michael Niedermayer
        if (delay < data_used)
850
            delay = data_used;
851 ac50bcc8 Michael Niedermayer
852
        i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
853 12eeda34 Michael Niedermayer
        if(s->show_audio==1){
854 6c7165c7 Jai Menon
            h= INT_MIN;
855
            for(i=0; i<1000; i+=channels){
856
                int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
857
                int a= s->sample_array[idx];
858
                int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
859
                int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
860
                int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
861
                int score= a-d;
862
                if(h<score && (b^c)<0){
863
                    h= score;
864
                    i_start= idx;
865
                }
866 ac50bcc8 Michael Niedermayer
            }
867
        }
868
869 5e0257e3 Fabrice Bellard
        s->last_i_start = i_start;
870
    } else {
871
        i_start = s->last_i_start;
872 01310af2 Fabrice Bellard
    }
873
874
    bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
875 12eeda34 Michael Niedermayer
    if(s->show_audio==1){
876 6c7165c7 Jai Menon
        fill_rectangle(screen,
877
                       s->xleft, s->ytop, s->width, s->height,
878
                       bgcolor);
879
880
        fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
881
882
        /* total height for one channel */
883
        h = s->height / nb_display_channels;
884
        /* graph height / 2 */
885
        h2 = (h * 9) / 20;
886
        for(ch = 0;ch < nb_display_channels; ch++) {
887
            i = i_start + ch;
888
            y1 = s->ytop + ch * h + (h / 2); /* position of center line */
889
            for(x = 0; x < s->width; x++) {
890
                y = (s->sample_array[i] * h2) >> 15;
891
                if (y < 0) {
892
                    y = -y;
893
                    ys = y1 - y;
894
                } else {
895
                    ys = y1;
896
                }
897
                fill_rectangle(screen,
898
                               s->xleft + x, ys, 1, y,
899
                               fgcolor);
900
                i += channels;
901
                if (i >= SAMPLE_ARRAY_SIZE)
902
                    i -= SAMPLE_ARRAY_SIZE;
903 01310af2 Fabrice Bellard
            }
904
        }
905
906 6c7165c7 Jai Menon
        fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
907 01310af2 Fabrice Bellard
908 6c7165c7 Jai Menon
        for(ch = 1;ch < nb_display_channels; ch++) {
909
            y = s->ytop + ch * h;
910
            fill_rectangle(screen,
911
                           s->xleft, y, s->width, 1,
912
                           fgcolor);
913
        }
914
        SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
915 12eeda34 Michael Niedermayer
    }else{
916
        nb_display_channels= FFMIN(nb_display_channels, 2);
917
        if(rdft_bits != s->rdft_bits){
918 166621ab Måns Rullgård
            av_rdft_end(s->rdft);
919
            s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
920 12eeda34 Michael Niedermayer
            s->rdft_bits= rdft_bits;
921
        }
922
        {
923
            FFTSample data[2][2*nb_freq];
924
            for(ch = 0;ch < nb_display_channels; ch++) {
925
                i = i_start + ch;
926
                for(x = 0; x < 2*nb_freq; x++) {
927
                    double w= (x-nb_freq)*(1.0/nb_freq);
928
                    data[ch][x]= s->sample_array[i]*(1.0-w*w);
929
                    i += channels;
930
                    if (i >= SAMPLE_ARRAY_SIZE)
931
                        i -= SAMPLE_ARRAY_SIZE;
932
                }
933 166621ab Måns Rullgård
                av_rdft_calc(s->rdft, data[ch]);
934 12eeda34 Michael Niedermayer
            }
935
            //least efficient way to do this, we should of course directly access it but its more than fast enough
936 092421cf Michael Niedermayer
            for(y=0; y<s->height; y++){
937 12eeda34 Michael Niedermayer
                double w= 1/sqrt(nb_freq);
938
                int a= sqrt(w*sqrt(data[0][2*y+0]*data[0][2*y+0] + data[0][2*y+1]*data[0][2*y+1]));
939
                int b= sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0] + data[1][2*y+1]*data[1][2*y+1]));
940
                a= FFMIN(a,255);
941
                b= FFMIN(b,255);
942
                fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
943
944
                fill_rectangle(screen,
945
                            s->xpos, s->height-y, 1, 1,
946
                            fgcolor);
947
            }
948
        }
949
        SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
950
        s->xpos++;
951
        if(s->xpos >= s->width)
952
            s->xpos= s->xleft;
953
    }
954 01310af2 Fabrice Bellard
}
955
956 990c8438 Michael Niedermayer
static int video_open(VideoState *is){
957
    int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
958
    int w,h;
959
960 fb84155b Michael Niedermayer
    if(is_full_screen) flags |= SDL_FULLSCREEN;
961
    else               flags |= SDL_RESIZABLE;
962
963 990c8438 Michael Niedermayer
    if (is_full_screen && fs_screen_width) {
964
        w = fs_screen_width;
965
        h = fs_screen_height;
966 fb84155b Michael Niedermayer
    } else if(!is_full_screen && screen_width){
967
        w = screen_width;
968
        h = screen_height;
969 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
970
    }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
971
        w = is->out_video_filter->inputs[0]->w;
972
        h = is->out_video_filter->inputs[0]->h;
973
#else
974 fb84155b Michael Niedermayer
    }else if (is->video_st && is->video_st->codec->width){
975
        w = is->video_st->codec->width;
976
        h = is->video_st->codec->height;
977 917d2bb3 Michael Niedermayer
#endif
978 990c8438 Michael Niedermayer
    } else {
979 fb84155b Michael Niedermayer
        w = 640;
980
        h = 480;
981 990c8438 Michael Niedermayer
    }
982 d3d7b12e Michael Niedermayer
    if(screen && is->width == screen->w && screen->w == w
983
       && is->height== screen->h && screen->h == h)
984
        return 0;
985
986 c97f5402 Diego Biurrun
#ifndef __APPLE__
987 990c8438 Michael Niedermayer
    screen = SDL_SetVideoMode(w, h, 0, flags);
988
#else
989
    /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
990
    screen = SDL_SetVideoMode(w, h, 24, flags);
991
#endif
992
    if (!screen) {
993
        fprintf(stderr, "SDL: could not set video mode - exiting\n");
994
        return -1;
995
    }
996
    SDL_WM_SetCaption("FFplay", "FFplay");
997
998
    is->width = screen->w;
999
    is->height = screen->h;
1000
1001
    return 0;
1002
}
1003 8c982c5d Michael Niedermayer
1004 01310af2 Fabrice Bellard
/* display the current picture, if any */
1005
static void video_display(VideoState *is)
1006
{
1007 8c982c5d Michael Niedermayer
    if(!screen)
1008
        video_open(cur_stream);
1009 115329f1 Diego Biurrun
    if (is->audio_st && is->show_audio)
1010 01310af2 Fabrice Bellard
        video_audio_display(is);
1011
    else if (is->video_st)
1012
        video_image_display(is);
1013
}
1014
1015 d38c9e7a Michael Niedermayer
static int refresh_thread(void *opaque)
1016 01310af2 Fabrice Bellard
{
1017 d38c9e7a Michael Niedermayer
    VideoState *is= opaque;
1018
    while(!is->abort_request){
1019 01310af2 Fabrice Bellard
    SDL_Event event;
1020
    event.type = FF_REFRESH_EVENT;
1021
    event.user.data1 = opaque;
1022 d38c9e7a Michael Niedermayer
        if(!is->refresh){
1023
            is->refresh=1;
1024 01310af2 Fabrice Bellard
    SDL_PushEvent(&event);
1025 d38c9e7a Michael Niedermayer
        }
1026 2b3da32f Michael Niedermayer
        usleep(is->audio_st && is->show_audio ? rdftspeed*1000 : 5000); //FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
1027 d38c9e7a Michael Niedermayer
    }
1028
    return 0;
1029 01310af2 Fabrice Bellard
}
1030
1031 638c9d91 Fabrice Bellard
/* get the current audio clock value */
1032
static double get_audio_clock(VideoState *is)
1033
{
1034
    double pts;
1035
    int hw_buf_size, bytes_per_sec;
1036
    pts = is->audio_clock;
1037
    hw_buf_size = audio_write_get_buf_size(is);
1038
    bytes_per_sec = 0;
1039
    if (is->audio_st) {
1040 115329f1 Diego Biurrun
        bytes_per_sec = is->audio_st->codec->sample_rate *
1041 01f4895c Michael Niedermayer
            2 * is->audio_st->codec->channels;
1042 638c9d91 Fabrice Bellard
    }
1043
    if (bytes_per_sec)
1044
        pts -= (double)hw_buf_size / bytes_per_sec;
1045
    return pts;
1046
}
1047
1048
/* get the current video clock value */
1049
static double get_video_clock(VideoState *is)
1050
{
1051 04108619 Michael Niedermayer
    if (is->paused) {
1052 41a4cd0c Michael Niedermayer
        return is->video_current_pts;
1053 72ea344b Fabrice Bellard
    } else {
1054 68aefbe8 Michael Niedermayer
        return is->video_current_pts_drift + av_gettime() / 1000000.0;
1055 72ea344b Fabrice Bellard
    }
1056 638c9d91 Fabrice Bellard
}
1057
1058
/* get the current external clock value */
1059
static double get_external_clock(VideoState *is)
1060
{
1061
    int64_t ti;
1062
    ti = av_gettime();
1063
    return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
1064
}
1065
1066
/* get the current master clock value */
1067
static double get_master_clock(VideoState *is)
1068
{
1069
    double val;
1070
1071 72ea344b Fabrice Bellard
    if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
1072
        if (is->video_st)
1073
            val = get_video_clock(is);
1074
        else
1075
            val = get_audio_clock(is);
1076
    } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
1077
        if (is->audio_st)
1078
            val = get_audio_clock(is);
1079
        else
1080
            val = get_video_clock(is);
1081
    } else {
1082 638c9d91 Fabrice Bellard
        val = get_external_clock(is);
1083 72ea344b Fabrice Bellard
    }
1084 638c9d91 Fabrice Bellard
    return val;
1085
}
1086
1087 72ea344b Fabrice Bellard
/* seek in the stream */
1088 2ef46053 Michael Niedermayer
static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
1089 72ea344b Fabrice Bellard
{
1090 687fae2b Ivan Wong
    if (!is->seek_req) {
1091
        is->seek_pos = pos;
1092 4ed29207 Michael Niedermayer
        is->seek_rel = rel;
1093 3890dd3a Michael Niedermayer
        is->seek_flags &= ~AVSEEK_FLAG_BYTE;
1094 94b594c6 Steve L'Homme
        if (seek_by_bytes)
1095
            is->seek_flags |= AVSEEK_FLAG_BYTE;
1096 687fae2b Ivan Wong
        is->seek_req = 1;
1097
    }
1098 72ea344b Fabrice Bellard
}
1099
1100
/* pause or resume the video */
1101
static void stream_pause(VideoState *is)
1102
{
1103 68aefbe8 Michael Niedermayer
    if (is->paused) {
1104
        is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
1105 f5668147 Michael Niedermayer
        if(is->read_pause_return != AVERROR(ENOSYS)){
1106 68aefbe8 Michael Niedermayer
            is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
1107 f5668147 Michael Niedermayer
        }
1108 68aefbe8 Michael Niedermayer
        is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
1109 72ea344b Fabrice Bellard
    }
1110 68aefbe8 Michael Niedermayer
    is->paused = !is->paused;
1111 72ea344b Fabrice Bellard
}
1112
1113 d38c9e7a Michael Niedermayer
static double compute_target_time(double frame_current_pts, VideoState *is)
1114 49410784 Tomer Barletz
{
1115 d38c9e7a Michael Niedermayer
    double delay, sync_threshold, diff;
1116 49410784 Tomer Barletz
1117
    /* compute nominal delay */
1118
    delay = frame_current_pts - is->frame_last_pts;
1119
    if (delay <= 0 || delay >= 10.0) {
1120
        /* if incorrect delay, use previous one */
1121
        delay = is->frame_last_delay;
1122 443658fd Tomer Barletz
    } else {
1123 712de377 Benoit Fouet
        is->frame_last_delay = delay;
1124 443658fd Tomer Barletz
    }
1125 49410784 Tomer Barletz
    is->frame_last_pts = frame_current_pts;
1126
1127
    /* update delay to follow master synchronisation source */
1128
    if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1129
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1130
        /* if video is slave, we try to correct big delays by
1131
           duplicating or deleting a frame */
1132 f04c6e35 Michael Niedermayer
        diff = get_video_clock(is) - get_master_clock(is);
1133 49410784 Tomer Barletz
1134
        /* skip or repeat frame. We take into account the
1135
           delay to compute the threshold. I still don't know
1136
           if it is the best guess */
1137
        sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
1138
        if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1139
            if (diff <= -sync_threshold)
1140
                delay = 0;
1141
            else if (diff >= sync_threshold)
1142
                delay = 2 * delay;
1143
        }
1144
    }
1145
    is->frame_timer += delay;
1146 eecc17a7 Tomer Barletz
#if defined(DEBUG_SYNC)
1147
    printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1148
            delay, actual_delay, frame_current_pts, -diff);
1149
#endif
1150
1151 d38c9e7a Michael Niedermayer
    return is->frame_timer;
1152 49410784 Tomer Barletz
}
1153
1154 01310af2 Fabrice Bellard
/* called to display each frame */
1155
static void video_refresh_timer(void *opaque)
1156
{
1157
    VideoState *is = opaque;
1158
    VideoPicture *vp;
1159 638c9d91 Fabrice Bellard
1160 72ce053b Ian Caulfield
    SubPicture *sp, *sp2;
1161 01310af2 Fabrice Bellard
1162
    if (is->video_st) {
1163 d38c9e7a Michael Niedermayer
retry:
1164 01310af2 Fabrice Bellard
        if (is->pictq_size == 0) {
1165 d38c9e7a Michael Niedermayer
            //nothing to do, no picture to display in the que
1166 01310af2 Fabrice Bellard
        } else {
1167 d38c9e7a Michael Niedermayer
            double time= av_gettime()/1000000.0;
1168
            double next_target;
1169 638c9d91 Fabrice Bellard
            /* dequeue the picture */
1170 01310af2 Fabrice Bellard
            vp = &is->pictq[is->pictq_rindex];
1171 638c9d91 Fabrice Bellard
1172 d38c9e7a Michael Niedermayer
            if(time < vp->target_clock)
1173
                return;
1174 638c9d91 Fabrice Bellard
            /* update current video pts */
1175
            is->video_current_pts = vp->pts;
1176 d38c9e7a Michael Niedermayer
            is->video_current_pts_drift = is->video_current_pts - time;
1177 a3cc2160 Michael Niedermayer
            is->video_current_pos = vp->pos;
1178 d38c9e7a Michael Niedermayer
            if(is->pictq_size > 1){
1179
                VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
1180
                assert(nextvp->target_clock >= vp->target_clock);
1181
                next_target= nextvp->target_clock;
1182
            }else{
1183
                next_target= vp->target_clock + is->video_clock - vp->pts; //FIXME pass durations cleanly
1184
            }
1185
            if(framedrop && time > next_target){
1186
                is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR;
1187
                if(is->pictq_size > 1 || time > next_target + 0.5){
1188
                    /* update queue size and signal for next picture */
1189
                    if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1190
                        is->pictq_rindex = 0;
1191
1192
                    SDL_LockMutex(is->pictq_mutex);
1193
                    is->pictq_size--;
1194
                    SDL_CondSignal(is->pictq_cond);
1195
                    SDL_UnlockMutex(is->pictq_mutex);
1196
                    goto retry;
1197
                }
1198
            }
1199 638c9d91 Fabrice Bellard
1200 72ce053b Ian Caulfield
            if(is->subtitle_st) {
1201
                if (is->subtitle_stream_changed) {
1202
                    SDL_LockMutex(is->subpq_mutex);
1203 115329f1 Diego Biurrun
1204 72ce053b Ian Caulfield
                    while (is->subpq_size) {
1205
                        free_subpicture(&is->subpq[is->subpq_rindex]);
1206 115329f1 Diego Biurrun
1207 72ce053b Ian Caulfield
                        /* update queue size and signal for next picture */
1208
                        if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1209
                            is->subpq_rindex = 0;
1210 115329f1 Diego Biurrun
1211 72ce053b Ian Caulfield
                        is->subpq_size--;
1212
                    }
1213
                    is->subtitle_stream_changed = 0;
1214
1215
                    SDL_CondSignal(is->subpq_cond);
1216
                    SDL_UnlockMutex(is->subpq_mutex);
1217
                } else {
1218
                    if (is->subpq_size > 0) {
1219
                        sp = &is->subpq[is->subpq_rindex];
1220
1221
                        if (is->subpq_size > 1)
1222
                            sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1223
                        else
1224
                            sp2 = NULL;
1225
1226
                        if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1227
                                || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1228
                        {
1229
                            free_subpicture(sp);
1230
1231
                            /* update queue size and signal for next picture */
1232
                            if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1233
                                is->subpq_rindex = 0;
1234
1235
                            SDL_LockMutex(is->subpq_mutex);
1236
                            is->subpq_size--;
1237
                            SDL_CondSignal(is->subpq_cond);
1238
                            SDL_UnlockMutex(is->subpq_mutex);
1239
                        }
1240
                    }
1241
                }
1242
            }
1243
1244 01310af2 Fabrice Bellard
            /* display picture */
1245
            video_display(is);
1246 115329f1 Diego Biurrun
1247 01310af2 Fabrice Bellard
            /* update queue size and signal for next picture */
1248
            if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1249
                is->pictq_rindex = 0;
1250 115329f1 Diego Biurrun
1251 01310af2 Fabrice Bellard
            SDL_LockMutex(is->pictq_mutex);
1252
            is->pictq_size--;
1253
            SDL_CondSignal(is->pictq_cond);
1254
            SDL_UnlockMutex(is->pictq_mutex);
1255
        }
1256
    } else if (is->audio_st) {
1257
        /* draw the next audio frame */
1258
1259
        /* if only audio stream, then display the audio bars (better
1260
           than nothing, just to test the implementation */
1261 115329f1 Diego Biurrun
1262 01310af2 Fabrice Bellard
        /* display picture */
1263
        video_display(is);
1264
    }
1265
    if (show_status) {
1266
        static int64_t last_time;
1267
        int64_t cur_time;
1268 72ce053b Ian Caulfield
        int aqsize, vqsize, sqsize;
1269 638c9d91 Fabrice Bellard
        double av_diff;
1270 115329f1 Diego Biurrun
1271 01310af2 Fabrice Bellard
        cur_time = av_gettime();
1272 1e1a0b18 Baptiste Coudurier
        if (!last_time || (cur_time - last_time) >= 30000) {
1273 01310af2 Fabrice Bellard
            aqsize = 0;
1274
            vqsize = 0;
1275 72ce053b Ian Caulfield
            sqsize = 0;
1276 01310af2 Fabrice Bellard
            if (is->audio_st)
1277
                aqsize = is->audioq.size;
1278
            if (is->video_st)
1279
                vqsize = is->videoq.size;
1280 72ce053b Ian Caulfield
            if (is->subtitle_st)
1281
                sqsize = is->subtitleq.size;
1282 638c9d91 Fabrice Bellard
            av_diff = 0;
1283
            if (is->audio_st && is->video_st)
1284
                av_diff = get_audio_clock(is) - get_video_clock(is);
1285 382f3a5b Michael Niedermayer
            printf("%7.2f A-V:%7.3f s:%3.1f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64"   \r",
1286
                   get_master_clock(is), av_diff, FFMAX(is->skip_frames-1, 0), aqsize / 1024, vqsize / 1024, sqsize, is->faulty_dts, is->faulty_pts);
1287 01310af2 Fabrice Bellard
            fflush(stdout);
1288
            last_time = cur_time;
1289
        }
1290
    }
1291
}
1292
1293
/* allocate a picture (needs to do that in main thread to avoid
1294
   potential locking problems */
1295
static void alloc_picture(void *opaque)
1296
{
1297
    VideoState *is = opaque;
1298
    VideoPicture *vp;
1299
1300
    vp = &is->pictq[is->pictq_windex];
1301
1302
    if (vp->bmp)
1303
        SDL_FreeYUVOverlay(vp->bmp);
1304
1305 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1306
    if (vp->picref)
1307
        avfilter_unref_pic(vp->picref);
1308
    vp->picref = NULL;
1309
1310
    vp->width   = is->out_video_filter->inputs[0]->w;
1311
    vp->height  = is->out_video_filter->inputs[0]->h;
1312
    vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1313
#else
1314
    vp->width   = is->video_st->codec->width;
1315
    vp->height  = is->video_st->codec->height;
1316
    vp->pix_fmt = is->video_st->codec->pix_fmt;
1317
#endif
1318
1319
    vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
1320 115329f1 Diego Biurrun
                                   SDL_YV12_OVERLAY,
1321 61890b02 Fabrice Bellard
                                   screen);
1322 01310af2 Fabrice Bellard
1323
    SDL_LockMutex(is->pictq_mutex);
1324
    vp->allocated = 1;
1325
    SDL_CondSignal(is->pictq_cond);
1326
    SDL_UnlockMutex(is->pictq_mutex);
1327
}
1328
1329 267e9dfa Michael Niedermayer
/**
1330
 *
1331
 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1332
 */
1333 1a620dd7 Michael Niedermayer
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
1334 01310af2 Fabrice Bellard
{
1335
    VideoPicture *vp;
1336
    int dst_pix_fmt;
1337 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1338
    AVPicture pict_src;
1339
#endif
1340 01310af2 Fabrice Bellard
    /* wait until we have space to put a new picture */
1341
    SDL_LockMutex(is->pictq_mutex);
1342 d38c9e7a Michael Niedermayer
1343
    if(is->pictq_size>=VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
1344
        is->skip_frames= FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0-FRAME_SKIP_FACTOR));
1345
1346 01310af2 Fabrice Bellard
    while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1347
           !is->videoq.abort_request) {
1348
        SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1349
    }
1350
    SDL_UnlockMutex(is->pictq_mutex);
1351 115329f1 Diego Biurrun
1352 01310af2 Fabrice Bellard
    if (is->videoq.abort_request)
1353
        return -1;
1354
1355
    vp = &is->pictq[is->pictq_windex];
1356
1357
    /* alloc or resize hardware picture buffer */
1358 115329f1 Diego Biurrun
    if (!vp->bmp ||
1359 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1360
        vp->width  != is->out_video_filter->inputs[0]->w ||
1361
        vp->height != is->out_video_filter->inputs[0]->h) {
1362
#else
1363 01f4895c Michael Niedermayer
        vp->width != is->video_st->codec->width ||
1364
        vp->height != is->video_st->codec->height) {
1365 917d2bb3 Michael Niedermayer
#endif
1366 01310af2 Fabrice Bellard
        SDL_Event event;
1367
1368
        vp->allocated = 0;
1369
1370
        /* the allocation must be done in the main thread to avoid
1371
           locking problems */
1372
        event.type = FF_ALLOC_EVENT;
1373
        event.user.data1 = is;
1374
        SDL_PushEvent(&event);
1375 115329f1 Diego Biurrun
1376 01310af2 Fabrice Bellard
        /* wait until the picture is allocated */
1377
        SDL_LockMutex(is->pictq_mutex);
1378
        while (!vp->allocated && !is->videoq.abort_request) {
1379
            SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1380
        }
1381
        SDL_UnlockMutex(is->pictq_mutex);
1382
1383
        if (is->videoq.abort_request)
1384
            return -1;
1385
    }
1386
1387 638c9d91 Fabrice Bellard
    /* if the frame is not skipped, then display it */
1388 01310af2 Fabrice Bellard
    if (vp->bmp) {
1389 fbf1b885 avcoder
        AVPicture pict;
1390 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1391
        if(vp->picref)
1392
            avfilter_unref_pic(vp->picref);
1393
        vp->picref = src_frame->opaque;
1394
#endif
1395 fbf1b885 avcoder
1396 01310af2 Fabrice Bellard
        /* get a pointer on the bitmap */
1397
        SDL_LockYUVOverlay (vp->bmp);
1398
1399
        dst_pix_fmt = PIX_FMT_YUV420P;
1400 fbf1b885 avcoder
        memset(&pict,0,sizeof(AVPicture));
1401 01310af2 Fabrice Bellard
        pict.data[0] = vp->bmp->pixels[0];
1402
        pict.data[1] = vp->bmp->pixels[2];
1403
        pict.data[2] = vp->bmp->pixels[1];
1404
1405
        pict.linesize[0] = vp->bmp->pitches[0];
1406
        pict.linesize[1] = vp->bmp->pitches[2];
1407
        pict.linesize[2] = vp->bmp->pitches[1];
1408 917d2bb3 Michael Niedermayer
1409
#if CONFIG_AVFILTER
1410
        pict_src.data[0] = src_frame->data[0];
1411
        pict_src.data[1] = src_frame->data[1];
1412
        pict_src.data[2] = src_frame->data[2];
1413
1414
        pict_src.linesize[0] = src_frame->linesize[0];
1415
        pict_src.linesize[1] = src_frame->linesize[1];
1416
        pict_src.linesize[2] = src_frame->linesize[2];
1417
1418
        //FIXME use direct rendering
1419
        av_picture_copy(&pict, &pict_src,
1420
                        vp->pix_fmt, vp->width, vp->height);
1421
#else
1422 e43d7a18 Michael Niedermayer
        sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1423 3ac56e28 Martin Storsjö
        is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
1424 917d2bb3 Michael Niedermayer
            vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
1425 feb7bc67 Alex Beregszaszi
            dst_pix_fmt, sws_flags, NULL, NULL, NULL);
1426 3ac56e28 Martin Storsjö
        if (is->img_convert_ctx == NULL) {
1427 26ba8235 Alex Beregszaszi
            fprintf(stderr, "Cannot initialize the conversion context\n");
1428
            exit(1);
1429
        }
1430 3ac56e28 Martin Storsjö
        sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
1431 917d2bb3 Michael Niedermayer
                  0, vp->height, pict.data, pict.linesize);
1432
#endif
1433 01310af2 Fabrice Bellard
        /* update the bitmap content */
1434
        SDL_UnlockYUVOverlay(vp->bmp);
1435
1436 638c9d91 Fabrice Bellard
        vp->pts = pts;
1437 1a620dd7 Michael Niedermayer
        vp->pos = pos;
1438 01310af2 Fabrice Bellard
1439
        /* now we can update the picture count */
1440
        if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1441
            is->pictq_windex = 0;
1442
        SDL_LockMutex(is->pictq_mutex);
1443 d38c9e7a Michael Niedermayer
        vp->target_clock= compute_target_time(vp->pts, is);
1444
1445 01310af2 Fabrice Bellard
        is->pictq_size++;
1446
        SDL_UnlockMutex(is->pictq_mutex);
1447
    }
1448 638c9d91 Fabrice Bellard
    return 0;
1449
}
1450
1451 115329f1 Diego Biurrun
/**
1452
 * compute the exact PTS for the picture if it is omitted in the stream
1453 267e9dfa Michael Niedermayer
 * @param pts1 the dts of the pkt / pts of the frame
1454
 */
1455 1a620dd7 Michael Niedermayer
static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
1456 638c9d91 Fabrice Bellard
{
1457
    double frame_delay, pts;
1458 115329f1 Diego Biurrun
1459 638c9d91 Fabrice Bellard
    pts = pts1;
1460
1461 01310af2 Fabrice Bellard
    if (pts != 0) {
1462 638c9d91 Fabrice Bellard
        /* update video clock with pts, if present */
1463 01310af2 Fabrice Bellard
        is->video_clock = pts;
1464
    } else {
1465 72ea344b Fabrice Bellard
        pts = is->video_clock;
1466
    }
1467
    /* update video clock for next frame */
1468 01f4895c Michael Niedermayer
    frame_delay = av_q2d(is->video_st->codec->time_base);
1469 72ea344b Fabrice Bellard
    /* for MPEG2, the frame can be repeated, so we update the
1470
       clock accordingly */
1471 267e9dfa Michael Niedermayer
    frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
1472 72ea344b Fabrice Bellard
    is->video_clock += frame_delay;
1473 638c9d91 Fabrice Bellard
1474
#if defined(DEBUG_SYNC) && 0
1475 ff358eca Stefano Sabatini
    printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1476
           av_get_pict_type_char(src_frame->pict_type), pts, pts1);
1477 638c9d91 Fabrice Bellard
#endif
1478 1a620dd7 Michael Niedermayer
    return queue_picture(is, src_frame, pts, pos);
1479 01310af2 Fabrice Bellard
}
1480
1481 3966a574 Michael Niedermayer
static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
1482 01310af2 Fabrice Bellard
{
1483 6c7d3ead Michael Niedermayer
    int len1, got_picture, i;
1484 01310af2 Fabrice Bellard
1485
        if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1486 917d2bb3 Michael Niedermayer
            return -1;
1487 39c6a118 Michael Niedermayer
1488
        if(pkt->data == flush_pkt.data){
1489
            avcodec_flush_buffers(is->video_st->codec);
1490 6c7d3ead Michael Niedermayer
1491
            SDL_LockMutex(is->pictq_mutex);
1492
            //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1493
            for(i=0; i<VIDEO_PICTURE_QUEUE_SIZE; i++){
1494 d38c9e7a Michael Niedermayer
                is->pictq[i].target_clock= 0;
1495 6c7d3ead Michael Niedermayer
            }
1496
            while (is->pictq_size && !is->videoq.abort_request) {
1497
                SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1498
            }
1499 1a620dd7 Michael Niedermayer
            is->video_current_pos= -1;
1500 6c7d3ead Michael Niedermayer
            SDL_UnlockMutex(is->pictq_mutex);
1501
1502 41db429d Michael Niedermayer
            is->last_dts_for_fault_detection=
1503
            is->last_pts_for_fault_detection= INT64_MIN;
1504 967030eb Michael Niedermayer
            is->frame_last_pts= AV_NOPTS_VALUE;
1505 f7119e42 Michael Niedermayer
            is->frame_last_delay = 0;
1506 b25453bd Michael Niedermayer
            is->frame_timer = (double)av_gettime() / 1000000.0;
1507 d38c9e7a Michael Niedermayer
            is->skip_frames= 1;
1508
            is->skip_frames_index= 0;
1509 917d2bb3 Michael Niedermayer
            return 0;
1510 39c6a118 Michael Niedermayer
        }
1511
1512 638c9d91 Fabrice Bellard
        /* NOTE: ipts is the PTS of the _first_ picture beginning in
1513
           this packet, if any */
1514 7fb262b5 Michael Niedermayer
        is->video_st->codec->reordered_opaque= pkt->pts;
1515 bea18375 Thilo Borgmann
        len1 = avcodec_decode_video2(is->video_st->codec,
1516 620e8baf Michael Niedermayer
                                    frame, &got_picture,
1517 bea18375 Thilo Borgmann
                                    pkt);
1518 620e8baf Michael Niedermayer
1519 99e0b12b Michael Niedermayer
        if (got_picture) {
1520 df7d6e48 Stefano Sabatini
            if(pkt->dts != AV_NOPTS_VALUE){
1521
                is->faulty_dts += pkt->dts <= is->last_dts_for_fault_detection;
1522
                is->last_dts_for_fault_detection= pkt->dts;
1523
            }
1524
            if(frame->reordered_opaque != AV_NOPTS_VALUE){
1525
                is->faulty_pts += frame->reordered_opaque <= is->last_pts_for_fault_detection;
1526
                is->last_pts_for_fault_detection= frame->reordered_opaque;
1527
            }
1528 99e0b12b Michael Niedermayer
        }
1529 41db429d Michael Niedermayer
1530
        if(   (   decoder_reorder_pts==1
1531 ecbed31c Stefano Sabatini
               || (decoder_reorder_pts && is->faulty_pts<is->faulty_dts)
1532 41db429d Michael Niedermayer
               || pkt->dts == AV_NOPTS_VALUE)
1533 7fb262b5 Michael Niedermayer
           && frame->reordered_opaque != AV_NOPTS_VALUE)
1534 917d2bb3 Michael Niedermayer
            *pts= frame->reordered_opaque;
1535 620e8baf Michael Niedermayer
        else if(pkt->dts != AV_NOPTS_VALUE)
1536 917d2bb3 Michael Niedermayer
            *pts= pkt->dts;
1537 620e8baf Michael Niedermayer
        else
1538 917d2bb3 Michael Niedermayer
            *pts= 0;
1539
1540 fb966f99 Michael Niedermayer
//            if (len1 < 0)
1541
//                break;
1542 d38c9e7a Michael Niedermayer
    if (got_picture){
1543
        is->skip_frames_index += 1;
1544
        if(is->skip_frames_index >= is->skip_frames){
1545
            is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
1546
            return 1;
1547
        }
1548
1549
    }
1550 917d2bb3 Michael Niedermayer
    return 0;
1551
}
1552
1553
#if CONFIG_AVFILTER
1554
typedef struct {
1555
    VideoState *is;
1556
    AVFrame *frame;
1557
} FilterPriv;
1558
1559
static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1560
{
1561
    FilterPriv *priv = ctx->priv;
1562
    if(!opaque) return -1;
1563
1564
    priv->is = opaque;
1565
    priv->frame = avcodec_alloc_frame();
1566
1567
    return 0;
1568
}
1569
1570
static void input_uninit(AVFilterContext *ctx)
1571
{
1572
    FilterPriv *priv = ctx->priv;
1573
    av_free(priv->frame);
1574
}
1575
1576
static int input_request_frame(AVFilterLink *link)
1577
{
1578
    FilterPriv *priv = link->src->priv;
1579
    AVFilterPicRef *picref;
1580 3966a574 Michael Niedermayer
    int64_t pts = 0;
1581 917d2bb3 Michael Niedermayer
    AVPacket pkt;
1582
    int ret;
1583
1584
    while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1585
        av_free_packet(&pkt);
1586
    if (ret < 0)
1587
        return -1;
1588
1589
    /* FIXME: until I figure out how to hook everything up to the codec
1590
     * right, we're just copying the entire frame. */
1591
    picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
1592
    av_picture_copy((AVPicture *)&picref->data, (AVPicture *)priv->frame,
1593
                    picref->pic->format, link->w, link->h);
1594
    av_free_packet(&pkt);
1595
1596
    picref->pts = pts;
1597 bb409513 Stefano Sabatini
    picref->pos = pkt.pos;
1598 917d2bb3 Michael Niedermayer
    picref->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
1599
    avfilter_start_frame(link, avfilter_ref_pic(picref, ~0));
1600
    avfilter_draw_slice(link, 0, link->h, 1);
1601
    avfilter_end_frame(link);
1602
    avfilter_unref_pic(picref);
1603
1604
    return 0;
1605
}
1606
1607
static int input_query_formats(AVFilterContext *ctx)
1608
{
1609
    FilterPriv *priv = ctx->priv;
1610
    enum PixelFormat pix_fmts[] = {
1611
        priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1612
    };
1613
1614
    avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1615
    return 0;
1616
}
1617
1618
static int input_config_props(AVFilterLink *link)
1619
{
1620
    FilterPriv *priv  = link->src->priv;
1621
    AVCodecContext *c = priv->is->video_st->codec;
1622
1623
    link->w = c->width;
1624
    link->h = c->height;
1625
1626
    return 0;
1627
}
1628
1629
static AVFilter input_filter =
1630
{
1631
    .name      = "ffplay_input",
1632
1633
    .priv_size = sizeof(FilterPriv),
1634
1635
    .init      = input_init,
1636
    .uninit    = input_uninit,
1637
1638
    .query_formats = input_query_formats,
1639
1640
    .inputs    = (AVFilterPad[]) {{ .name = NULL }},
1641
    .outputs   = (AVFilterPad[]) {{ .name = "default",
1642
                                    .type = CODEC_TYPE_VIDEO,
1643
                                    .request_frame = input_request_frame,
1644
                                    .config_props  = input_config_props, },
1645
                                  { .name = NULL }},
1646
};
1647
1648
static void output_end_frame(AVFilterLink *link)
1649
{
1650
}
1651
1652
static int output_query_formats(AVFilterContext *ctx)
1653
{
1654
    enum PixelFormat pix_fmts[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
1655
1656
    avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1657
    return 0;
1658
}
1659
1660
static int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
1661 bb409513 Stefano Sabatini
                                    int64_t *pts, int64_t *pos)
1662 917d2bb3 Michael Niedermayer
{
1663
    AVFilterPicRef *pic;
1664
1665
    if(avfilter_request_frame(ctx->inputs[0]))
1666
        return -1;
1667
    if(!(pic = ctx->inputs[0]->cur_pic))
1668
        return -1;
1669
    ctx->inputs[0]->cur_pic = NULL;
1670
1671
    frame->opaque = pic;
1672
    *pts          = pic->pts;
1673 bb409513 Stefano Sabatini
    *pos          = pic->pos;
1674 917d2bb3 Michael Niedermayer
1675
    memcpy(frame->data,     pic->data,     sizeof(frame->data));
1676
    memcpy(frame->linesize, pic->linesize, sizeof(frame->linesize));
1677
1678
    return 1;
1679
}
1680
1681
static AVFilter output_filter =
1682
{
1683
    .name      = "ffplay_output",
1684
1685
    .query_formats = output_query_formats,
1686
1687
    .inputs    = (AVFilterPad[]) {{ .name          = "default",
1688
                                    .type          = CODEC_TYPE_VIDEO,
1689
                                    .end_frame     = output_end_frame,
1690
                                    .min_perms     = AV_PERM_READ, },
1691
                                  { .name = NULL }},
1692
    .outputs   = (AVFilterPad[]) {{ .name = NULL }},
1693
};
1694
#endif  /* CONFIG_AVFILTER */
1695
1696
static int video_thread(void *arg)
1697
{
1698
    VideoState *is = arg;
1699
    AVFrame *frame= avcodec_alloc_frame();
1700 bb409513 Stefano Sabatini
    int64_t pts_int, pos;
1701 917d2bb3 Michael Niedermayer
    double pts;
1702
    int ret;
1703
1704
#if CONFIG_AVFILTER
1705
    AVFilterContext *filt_src = NULL, *filt_out = NULL;
1706
    AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
1707
    graph->scale_sws_opts = av_strdup("sws_flags=bilinear");
1708
1709
    if(!(filt_src = avfilter_open(&input_filter,  "src")))   goto the_end;
1710
    if(!(filt_out = avfilter_open(&output_filter, "out")))   goto the_end;
1711
1712
    if(avfilter_init_filter(filt_src, NULL, is))             goto the_end;
1713
    if(avfilter_init_filter(filt_out, NULL, frame))          goto the_end;
1714
1715
1716
    if(vfilters) {
1717
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1718
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
1719
1720
        outputs->name    = av_strdup("in");
1721
        outputs->filter  = filt_src;
1722
        outputs->pad_idx = 0;
1723
        outputs->next    = NULL;
1724
1725
        inputs->name    = av_strdup("out");
1726
        inputs->filter  = filt_out;
1727
        inputs->pad_idx = 0;
1728
        inputs->next    = NULL;
1729
1730
        if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
1731
            goto the_end;
1732
        av_freep(&vfilters);
1733
    } else {
1734
        if(avfilter_link(filt_src, 0, filt_out, 0) < 0)          goto the_end;
1735
    }
1736
    avfilter_graph_add_filter(graph, filt_src);
1737
    avfilter_graph_add_filter(graph, filt_out);
1738
1739
    if(avfilter_graph_check_validity(graph, NULL))           goto the_end;
1740
    if(avfilter_graph_config_formats(graph, NULL))           goto the_end;
1741
    if(avfilter_graph_config_links(graph, NULL))             goto the_end;
1742
1743
    is->out_video_filter = filt_out;
1744
#endif
1745
1746
    for(;;) {
1747
#if !CONFIG_AVFILTER
1748
        AVPacket pkt;
1749
#endif
1750
        while (is->paused && !is->videoq.abort_request)
1751
            SDL_Delay(10);
1752
#if CONFIG_AVFILTER
1753 bb409513 Stefano Sabatini
        ret = get_filtered_video_frame(filt_out, frame, &pts_int, &pos);
1754 917d2bb3 Michael Niedermayer
#else
1755
        ret = get_video_frame(is, frame, &pts_int, &pkt);
1756
#endif
1757
1758
        if (ret < 0) goto the_end;
1759
1760
        if (!ret)
1761
            continue;
1762
1763 3966a574 Michael Niedermayer
        pts = pts_int*av_q2d(is->video_st->time_base);
1764 917d2bb3 Michael Niedermayer
1765
#if CONFIG_AVFILTER
1766 bb409513 Stefano Sabatini
        ret = output_picture2(is, frame, pts, pos);
1767 917d2bb3 Michael Niedermayer
#else
1768 fca62599 Michael Niedermayer
        ret = output_picture2(is, frame, pts,  pkt.pos);
1769 917d2bb3 Michael Niedermayer
        av_free_packet(&pkt);
1770
#endif
1771
        if (ret < 0)
1772
            goto the_end;
1773
1774 115329f1 Diego Biurrun
        if (step)
1775 bba04f1e Wolfgang Hesseler
            if (cur_stream)
1776
                stream_pause(cur_stream);
1777 01310af2 Fabrice Bellard
    }
1778
 the_end:
1779 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1780
    avfilter_graph_destroy(graph);
1781
    av_freep(&graph);
1782
#endif
1783 c6b1edc9 Michael Niedermayer
    av_free(frame);
1784 01310af2 Fabrice Bellard
    return 0;
1785
}
1786
1787 72ce053b Ian Caulfield
static int subtitle_thread(void *arg)
1788
{
1789
    VideoState *is = arg;
1790
    SubPicture *sp;
1791
    AVPacket pkt1, *pkt = &pkt1;
1792
    int len1, got_subtitle;
1793
    double pts;
1794
    int i, j;
1795
    int r, g, b, y, u, v, a;
1796
1797
    for(;;) {
1798
        while (is->paused && !is->subtitleq.abort_request) {
1799
            SDL_Delay(10);
1800
        }
1801
        if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1802
            break;
1803 115329f1 Diego Biurrun
1804 39c6a118 Michael Niedermayer
        if(pkt->data == flush_pkt.data){
1805
            avcodec_flush_buffers(is->subtitle_st->codec);
1806
            continue;
1807
        }
1808 72ce053b Ian Caulfield
        SDL_LockMutex(is->subpq_mutex);
1809
        while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1810
               !is->subtitleq.abort_request) {
1811
            SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1812
        }
1813
        SDL_UnlockMutex(is->subpq_mutex);
1814 115329f1 Diego Biurrun
1815 72ce053b Ian Caulfield
        if (is->subtitleq.abort_request)
1816
            goto the_end;
1817 115329f1 Diego Biurrun
1818 72ce053b Ian Caulfield
        sp = &is->subpq[is->subpq_windex];
1819
1820
       /* NOTE: ipts is the PTS of the _first_ picture beginning in
1821
           this packet, if any */
1822
        pts = 0;
1823
        if (pkt->pts != AV_NOPTS_VALUE)
1824
            pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1825
1826 bea18375 Thilo Borgmann
        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
1827 115329f1 Diego Biurrun
                                    &sp->sub, &got_subtitle,
1828 bea18375 Thilo Borgmann
                                    pkt);
1829 72ce053b Ian Caulfield
//            if (len1 < 0)
1830
//                break;
1831
        if (got_subtitle && sp->sub.format == 0) {
1832
            sp->pts = pts;
1833 115329f1 Diego Biurrun
1834 72ce053b Ian Caulfield
            for (i = 0; i < sp->sub.num_rects; i++)
1835
            {
1836 db4fac64 Michael Niedermayer
                for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1837 72ce053b Ian Caulfield
                {
1838 25b4c651 Michael Niedermayer
                    RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1839 72ce053b Ian Caulfield
                    y = RGB_TO_Y_CCIR(r, g, b);
1840
                    u = RGB_TO_U_CCIR(r, g, b, 0);
1841
                    v = RGB_TO_V_CCIR(r, g, b, 0);
1842 25b4c651 Michael Niedermayer
                    YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1843 72ce053b Ian Caulfield
                }
1844
            }
1845
1846
            /* now we can update the picture count */
1847
            if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1848
                is->subpq_windex = 0;
1849
            SDL_LockMutex(is->subpq_mutex);
1850
            is->subpq_size++;
1851
            SDL_UnlockMutex(is->subpq_mutex);
1852
        }
1853
        av_free_packet(pkt);
1854 115329f1 Diego Biurrun
//        if (step)
1855 72ce053b Ian Caulfield
//            if (cur_stream)
1856
//                stream_pause(cur_stream);
1857
    }
1858
 the_end:
1859
    return 0;
1860
}
1861
1862 01310af2 Fabrice Bellard
/* copy samples for viewing in editor window */
1863
static void update_sample_display(VideoState *is, short *samples, int samples_size)
1864
{
1865
    int size, len, channels;
1866
1867 01f4895c Michael Niedermayer
    channels = is->audio_st->codec->channels;
1868 01310af2 Fabrice Bellard
1869
    size = samples_size / sizeof(short);
1870
    while (size > 0) {
1871
        len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1872
        if (len > size)
1873
            len = size;
1874
        memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1875
        samples += len;
1876
        is->sample_array_index += len;
1877
        if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1878
            is->sample_array_index = 0;
1879
        size -= len;
1880
    }
1881
}
1882
1883
/* return the new audio buffer size (samples can be added or deleted
1884
   to get better sync if video or external master clock) */
1885 115329f1 Diego Biurrun
static int synchronize_audio(VideoState *is, short *samples,
1886 638c9d91 Fabrice Bellard
                             int samples_size1, double pts)
1887 01310af2 Fabrice Bellard
{
1888 638c9d91 Fabrice Bellard
    int n, samples_size;
1889 01310af2 Fabrice Bellard
    double ref_clock;
1890 115329f1 Diego Biurrun
1891 01f4895c Michael Niedermayer
    n = 2 * is->audio_st->codec->channels;
1892 638c9d91 Fabrice Bellard
    samples_size = samples_size1;
1893 01310af2 Fabrice Bellard
1894
    /* if not master, then we try to remove or add samples to correct the clock */
1895
    if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
1896 638c9d91 Fabrice Bellard
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1897
        double diff, avg_diff;
1898 01310af2 Fabrice Bellard
        int wanted_size, min_size, max_size, nb_samples;
1899 115329f1 Diego Biurrun
1900 638c9d91 Fabrice Bellard
        ref_clock = get_master_clock(is);
1901
        diff = get_audio_clock(is) - ref_clock;
1902 115329f1 Diego Biurrun
1903 638c9d91 Fabrice Bellard
        if (diff < AV_NOSYNC_THRESHOLD) {
1904
            is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1905
            if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1906
                /* not enough measures to have a correct estimate */
1907
                is->audio_diff_avg_count++;
1908
            } else {
1909
                /* estimate the A-V difference */
1910
                avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1911
1912
                if (fabs(avg_diff) >= is->audio_diff_threshold) {
1913 01f4895c Michael Niedermayer
                    wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
1914 638c9d91 Fabrice Bellard
                    nb_samples = samples_size / n;
1915 115329f1 Diego Biurrun
1916 638c9d91 Fabrice Bellard
                    min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1917
                    max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1918
                    if (wanted_size < min_size)
1919
                        wanted_size = min_size;
1920
                    else if (wanted_size > max_size)
1921
                        wanted_size = max_size;
1922 115329f1 Diego Biurrun
1923 638c9d91 Fabrice Bellard
                    /* add or remove samples to correction the synchro */
1924
                    if (wanted_size < samples_size) {
1925
                        /* remove samples */
1926
                        samples_size = wanted_size;
1927
                    } else if (wanted_size > samples_size) {
1928
                        uint8_t *samples_end, *q;
1929
                        int nb;
1930 115329f1 Diego Biurrun
1931 638c9d91 Fabrice Bellard
                        /* add samples */
1932
                        nb = (samples_size - wanted_size);
1933
                        samples_end = (uint8_t *)samples + samples_size - n;
1934
                        q = samples_end + n;
1935
                        while (nb > 0) {
1936
                            memcpy(q, samples_end, n);
1937
                            q += n;
1938
                            nb -= n;
1939
                        }
1940
                        samples_size = wanted_size;
1941
                    }
1942
                }
1943
#if 0
1944 115329f1 Diego Biurrun
                printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1945
                       diff, avg_diff, samples_size - samples_size1,
1946 638c9d91 Fabrice Bellard
                       is->audio_clock, is->video_clock, is->audio_diff_threshold);
1947
#endif
1948 01310af2 Fabrice Bellard
            }
1949 638c9d91 Fabrice Bellard
        } else {
1950
            /* too big difference : may be initial PTS errors, so
1951
               reset A-V filter */
1952
            is->audio_diff_avg_count = 0;
1953
            is->audio_diff_cum = 0;
1954 01310af2 Fabrice Bellard
        }
1955
    }
1956
1957
    return samples_size;
1958
}
1959
1960
/* decode one audio frame and returns its uncompressed size */
1961 5a4476e2 Peter Ross
static int audio_decode_frame(VideoState *is, double *pts_ptr)
1962 01310af2 Fabrice Bellard
{
1963 bea18375 Thilo Borgmann
    AVPacket *pkt_temp = &is->audio_pkt_temp;
1964 01310af2 Fabrice Bellard
    AVPacket *pkt = &is->audio_pkt;
1965 abdff646 Peter Ross
    AVCodecContext *dec= is->audio_st->codec;
1966 72ea344b Fabrice Bellard
    int n, len1, data_size;
1967 01310af2 Fabrice Bellard
    double pts;
1968
1969
    for(;;) {
1970 72ea344b Fabrice Bellard
        /* NOTE: the audio packet can contain several frames */
1971 bea18375 Thilo Borgmann
        while (pkt_temp->size > 0) {
1972 5a4476e2 Peter Ross
            data_size = sizeof(is->audio_buf1);
1973 bea18375 Thilo Borgmann
            len1 = avcodec_decode_audio3(dec,
1974 5a4476e2 Peter Ross
                                        (int16_t *)is->audio_buf1, &data_size,
1975 bea18375 Thilo Borgmann
                                        pkt_temp);
1976 72ea344b Fabrice Bellard
            if (len1 < 0) {
1977
                /* if error, we skip the frame */
1978 bea18375 Thilo Borgmann
                pkt_temp->size = 0;
1979 01310af2 Fabrice Bellard
                break;
1980 72ea344b Fabrice Bellard
            }
1981 115329f1 Diego Biurrun
1982 bea18375 Thilo Borgmann
            pkt_temp->data += len1;
1983
            pkt_temp->size -= len1;
1984 72ea344b Fabrice Bellard
            if (data_size <= 0)
1985
                continue;
1986 5a4476e2 Peter Ross
1987
            if (dec->sample_fmt != is->audio_src_fmt) {
1988
                if (is->reformat_ctx)
1989
                    av_audio_convert_free(is->reformat_ctx);
1990
                is->reformat_ctx= av_audio_convert_alloc(SAMPLE_FMT_S16, 1,
1991
                                                         dec->sample_fmt, 1, NULL, 0);
1992
                if (!is->reformat_ctx) {
1993
                    fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
1994
                        avcodec_get_sample_fmt_name(dec->sample_fmt),
1995
                        avcodec_get_sample_fmt_name(SAMPLE_FMT_S16));
1996
                        break;
1997
                }
1998
                is->audio_src_fmt= dec->sample_fmt;
1999
            }
2000
2001
            if (is->reformat_ctx) {
2002
                const void *ibuf[6]= {is->audio_buf1};
2003
                void *obuf[6]= {is->audio_buf2};
2004
                int istride[6]= {av_get_bits_per_sample_format(dec->sample_fmt)/8};
2005
                int ostride[6]= {2};
2006
                int len= data_size/istride[0];
2007
                if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2008
                    printf("av_audio_convert() failed\n");
2009
                    break;
2010
                }
2011
                is->audio_buf= is->audio_buf2;
2012
                /* FIXME: existing code assume that data_size equals framesize*channels*2
2013
                          remove this legacy cruft */
2014
                data_size= len*2;
2015
            }else{
2016
                is->audio_buf= is->audio_buf1;
2017
            }
2018
2019 72ea344b Fabrice Bellard
            /* if no pts, then compute it */
2020
            pts = is->audio_clock;
2021
            *pts_ptr = pts;
2022 abdff646 Peter Ross
            n = 2 * dec->channels;
2023 115329f1 Diego Biurrun
            is->audio_clock += (double)data_size /
2024 abdff646 Peter Ross
                (double)(n * dec->sample_rate);
2025 638c9d91 Fabrice Bellard
#if defined(DEBUG_SYNC)
2026 72ea344b Fabrice Bellard
            {
2027
                static double last_clock;
2028
                printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2029
                       is->audio_clock - last_clock,
2030
                       is->audio_clock, pts);
2031
                last_clock = is->audio_clock;
2032 01310af2 Fabrice Bellard
            }
2033 72ea344b Fabrice Bellard
#endif
2034
            return data_size;
2035 01310af2 Fabrice Bellard
        }
2036
2037 72ea344b Fabrice Bellard
        /* free the current packet */
2038
        if (pkt->data)
2039 01310af2 Fabrice Bellard
            av_free_packet(pkt);
2040 115329f1 Diego Biurrun
2041 72ea344b Fabrice Bellard
        if (is->paused || is->audioq.abort_request) {
2042
            return -1;
2043
        }
2044 115329f1 Diego Biurrun
2045 01310af2 Fabrice Bellard
        /* read next packet */
2046
        if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2047
            return -1;
2048 39c6a118 Michael Niedermayer
        if(pkt->data == flush_pkt.data){
2049 abdff646 Peter Ross
            avcodec_flush_buffers(dec);
2050 39c6a118 Michael Niedermayer
            continue;
2051
        }
2052
2053 bea18375 Thilo Borgmann
        pkt_temp->data = pkt->data;
2054
        pkt_temp->size = pkt->size;
2055 115329f1 Diego Biurrun
2056 72ea344b Fabrice Bellard
        /* if update the audio clock with the pts */
2057
        if (pkt->pts != AV_NOPTS_VALUE) {
2058 c0df9d75 Michael Niedermayer
            is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2059 72ea344b Fabrice Bellard
        }
2060 01310af2 Fabrice Bellard
    }
2061
}
2062
2063 638c9d91 Fabrice Bellard
/* get the current audio output buffer size, in samples. With SDL, we
2064
   cannot have a precise information */
2065
static int audio_write_get_buf_size(VideoState *is)
2066 01310af2 Fabrice Bellard
{
2067 b09b580b Ryan Martell
    return is->audio_buf_size - is->audio_buf_index;
2068 01310af2 Fabrice Bellard
}
2069
2070
2071
/* prepare a new audio buffer */
2072 358061f6 Diego Pettenò
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2073 01310af2 Fabrice Bellard
{
2074
    VideoState *is = opaque;
2075
    int audio_size, len1;
2076
    double pts;
2077
2078
    audio_callback_time = av_gettime();
2079 115329f1 Diego Biurrun
2080 01310af2 Fabrice Bellard
    while (len > 0) {
2081
        if (is->audio_buf_index >= is->audio_buf_size) {
2082 5a4476e2 Peter Ross
           audio_size = audio_decode_frame(is, &pts);
2083 01310af2 Fabrice Bellard
           if (audio_size < 0) {
2084
                /* if error, just output silence */
2085 1a1078fa Baptiste Coudurier
               is->audio_buf = is->audio_buf1;
2086 01310af2 Fabrice Bellard
               is->audio_buf_size = 1024;
2087
               memset(is->audio_buf, 0, is->audio_buf_size);
2088
           } else {
2089
               if (is->show_audio)
2090
                   update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2091 115329f1 Diego Biurrun
               audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2092 01310af2 Fabrice Bellard
                                              pts);
2093
               is->audio_buf_size = audio_size;
2094
           }
2095
           is->audio_buf_index = 0;
2096
        }
2097
        len1 = is->audio_buf_size - is->audio_buf_index;
2098
        if (len1 > len)
2099
            len1 = len;
2100
        memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2101
        len -= len1;
2102
        stream += len1;
2103
        is->audio_buf_index += len1;
2104
    }
2105
}
2106
2107
/* open a given stream. Return 0 if OK */
2108
static int stream_component_open(VideoState *is, int stream_index)
2109
{
2110
    AVFormatContext *ic = is->ic;
2111 fe74099a Stefano Sabatini
    AVCodecContext *avctx;
2112 01310af2 Fabrice Bellard
    AVCodec *codec;
2113
    SDL_AudioSpec wanted_spec, spec;
2114
2115
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2116
        return -1;
2117 fe74099a Stefano Sabatini
    avctx = ic->streams[stream_index]->codec;
2118 115329f1 Diego Biurrun
2119 01310af2 Fabrice Bellard
    /* prepare audio output */
2120 fe74099a Stefano Sabatini
    if (avctx->codec_type == CODEC_TYPE_AUDIO) {
2121
        if (avctx->channels > 0) {
2122
            avctx->request_channels = FFMIN(2, avctx->channels);
2123 94eadc8b Andreas Öman
        } else {
2124 fe74099a Stefano Sabatini
            avctx->request_channels = 2;
2125 638c9d91 Fabrice Bellard
        }
2126 01310af2 Fabrice Bellard
    }
2127
2128 fe74099a Stefano Sabatini
    codec = avcodec_find_decoder(avctx->codec_id);
2129
    avctx->debug_mv = debug_mv;
2130
    avctx->debug = debug;
2131
    avctx->workaround_bugs = workaround_bugs;
2132
    avctx->lowres = lowres;
2133
    if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2134
    avctx->idct_algo= idct;
2135
    if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2136
    avctx->skip_frame= skip_frame;
2137
    avctx->skip_idct= skip_idct;
2138
    avctx->skip_loop_filter= skip_loop_filter;
2139
    avctx->error_recognition= error_recognition;
2140
    avctx->error_concealment= error_concealment;
2141
    avcodec_thread_init(avctx, thread_count);
2142
2143
    set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0);
2144 e43d7a18 Michael Niedermayer
2145 01310af2 Fabrice Bellard
    if (!codec ||
2146 fe74099a Stefano Sabatini
        avcodec_open(avctx, codec) < 0)
2147 01310af2 Fabrice Bellard
        return -1;
2148 51b73087 Justin Ruggles
2149
    /* prepare audio output */
2150 fe74099a Stefano Sabatini
    if (avctx->codec_type == CODEC_TYPE_AUDIO) {
2151
        wanted_spec.freq = avctx->sample_rate;
2152 51b73087 Justin Ruggles
        wanted_spec.format = AUDIO_S16SYS;
2153 fe74099a Stefano Sabatini
        wanted_spec.channels = avctx->channels;
2154 51b73087 Justin Ruggles
        wanted_spec.silence = 0;
2155
        wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2156
        wanted_spec.callback = sdl_audio_callback;
2157
        wanted_spec.userdata = is;
2158
        if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2159
            fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2160
            return -1;
2161
        }
2162
        is->audio_hw_buf_size = spec.size;
2163 5a4476e2 Peter Ross
        is->audio_src_fmt= SAMPLE_FMT_S16;
2164 51b73087 Justin Ruggles
    }
2165
2166 3f3fe38d Ronald S. Bultje
    ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2167 fe74099a Stefano Sabatini
    switch(avctx->codec_type) {
2168 01310af2 Fabrice Bellard
    case CODEC_TYPE_AUDIO:
2169
        is->audio_stream = stream_index;
2170
        is->audio_st = ic->streams[stream_index];
2171
        is->audio_buf_size = 0;
2172
        is->audio_buf_index = 0;
2173 638c9d91 Fabrice Bellard
2174
        /* init averaging filter */
2175
        is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2176
        is->audio_diff_avg_count = 0;
2177
        /* since we do not have a precise anough audio fifo fullness,
2178
           we correct audio sync only if larger than this threshold */
2179 fe74099a Stefano Sabatini
        is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
2180 638c9d91 Fabrice Bellard
2181 01310af2 Fabrice Bellard
        memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2182
        packet_queue_init(&is->audioq);
2183 bb270c08 Diego Biurrun
        SDL_PauseAudio(0);
2184 01310af2 Fabrice Bellard
        break;
2185
    case CODEC_TYPE_VIDEO:
2186
        is->video_stream = stream_index;
2187
        is->video_st = ic->streams[stream_index];
2188
2189 68aefbe8 Michael Niedermayer
//        is->video_current_pts_time = av_gettime();
2190 638c9d91 Fabrice Bellard
2191 01310af2 Fabrice Bellard
        packet_queue_init(&is->videoq);
2192
        is->video_tid = SDL_CreateThread(video_thread, is);
2193
        break;
2194 72ce053b Ian Caulfield
    case CODEC_TYPE_SUBTITLE:
2195
        is->subtitle_stream = stream_index;
2196
        is->subtitle_st = ic->streams[stream_index];
2197
        packet_queue_init(&is->subtitleq);
2198 115329f1 Diego Biurrun
2199 72ce053b Ian Caulfield
        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2200
        break;
2201 01310af2 Fabrice Bellard
    default:
2202
        break;
2203
    }
2204
    return 0;
2205
}
2206
2207
static void stream_component_close(VideoState *is, int stream_index)
2208
{
2209
    AVFormatContext *ic = is->ic;
2210 fe74099a Stefano Sabatini
    AVCodecContext *avctx;
2211 115329f1 Diego Biurrun
2212 72ce053b Ian Caulfield
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2213
        return;
2214 fe74099a Stefano Sabatini
    avctx = ic->streams[stream_index]->codec;
2215 01310af2 Fabrice Bellard
2216 fe74099a Stefano Sabatini
    switch(avctx->codec_type) {
2217 01310af2 Fabrice Bellard
    case CODEC_TYPE_AUDIO:
2218
        packet_queue_abort(&is->audioq);
2219
2220
        SDL_CloseAudio();
2221
2222
        packet_queue_end(&is->audioq);
2223 5a4476e2 Peter Ross
        if (is->reformat_ctx)
2224
            av_audio_convert_free(is->reformat_ctx);
2225 bc77fce6 Ramiro Polla
        is->reformat_ctx = NULL;
2226 01310af2 Fabrice Bellard
        break;
2227
    case CODEC_TYPE_VIDEO:
2228
        packet_queue_abort(&is->videoq);
2229
2230
        /* note: we also signal this mutex to make sure we deblock the
2231
           video thread in all cases */
2232
        SDL_LockMutex(is->pictq_mutex);
2233
        SDL_CondSignal(is->pictq_cond);
2234
        SDL_UnlockMutex(is->pictq_mutex);
2235
2236
        SDL_WaitThread(is->video_tid, NULL);
2237
2238
        packet_queue_end(&is->videoq);
2239
        break;
2240 72ce053b Ian Caulfield
    case CODEC_TYPE_SUBTITLE:
2241
        packet_queue_abort(&is->subtitleq);
2242 115329f1 Diego Biurrun
2243 72ce053b Ian Caulfield
        /* note: we also signal this mutex to make sure we deblock the
2244
           video thread in all cases */
2245
        SDL_LockMutex(is->subpq_mutex);
2246
        is->subtitle_stream_changed = 1;
2247 115329f1 Diego Biurrun
2248 72ce053b Ian Caulfield
        SDL_CondSignal(is->subpq_cond);
2249
        SDL_UnlockMutex(is->subpq_mutex);
2250
2251
        SDL_WaitThread(is->subtitle_tid, NULL);
2252
2253
        packet_queue_end(&is->subtitleq);
2254
        break;
2255 01310af2 Fabrice Bellard
    default:
2256
        break;
2257
    }
2258
2259 3f3fe38d Ronald S. Bultje
    ic->streams[stream_index]->discard = AVDISCARD_ALL;
2260 fe74099a Stefano Sabatini
    avcodec_close(avctx);
2261
    switch(avctx->codec_type) {
2262 01310af2 Fabrice Bellard
    case CODEC_TYPE_AUDIO:
2263
        is->audio_st = NULL;
2264
        is->audio_stream = -1;
2265
        break;
2266
    case CODEC_TYPE_VIDEO:
2267
        is->video_st = NULL;
2268
        is->video_stream = -1;
2269
        break;
2270 72ce053b Ian Caulfield
    case CODEC_TYPE_SUBTITLE:
2271
        is->subtitle_st = NULL;
2272
        is->subtitle_stream = -1;
2273
        break;
2274 01310af2 Fabrice Bellard
    default:
2275
        break;
2276
    }
2277
}
2278
2279 416e3508 Fabrice Bellard
/* since we have only one decoding thread, we can use a global
2280
   variable instead of a thread local variable */
2281
static VideoState *global_video_state;
2282
2283
static int decode_interrupt_cb(void)
2284
{
2285
    return (global_video_state && global_video_state->abort_request);
2286
}
2287 01310af2 Fabrice Bellard
2288
/* this thread gets the stream from the disk or the network */
2289
static int decode_thread(void *arg)
2290
{
2291
    VideoState *is = arg;
2292
    AVFormatContext *ic;
2293 6625a3de Michael Niedermayer
    int err, i, ret;
2294
    int st_index[CODEC_TYPE_NB];
2295 256ab3ed Michael Niedermayer
    int st_count[CODEC_TYPE_NB]={0};
2296 9f7490a0 Michael Niedermayer
    int st_best_packet_count[CODEC_TYPE_NB];
2297 01310af2 Fabrice Bellard
    AVPacket pkt1, *pkt = &pkt1;
2298 61890b02 Fabrice Bellard
    AVFormatParameters params, *ap = &params;
2299 75bb7b0a Michael Niedermayer
    int eof=0;
2300 01310af2 Fabrice Bellard
2301 6299a229 Michael Niedermayer
    ic = avformat_alloc_context();
2302
2303 6625a3de Michael Niedermayer
    memset(st_index, -1, sizeof(st_index));
2304 9f7490a0 Michael Niedermayer
    memset(st_best_packet_count, -1, sizeof(st_best_packet_count));
2305 01310af2 Fabrice Bellard
    is->video_stream = -1;
2306
    is->audio_stream = -1;
2307 72ce053b Ian Caulfield
    is->subtitle_stream = -1;
2308 01310af2 Fabrice Bellard
2309 416e3508 Fabrice Bellard
    global_video_state = is;
2310
    url_set_interrupt_cb(decode_interrupt_cb);
2311
2312 61890b02 Fabrice Bellard
    memset(ap, 0, sizeof(*ap));
2313 115329f1 Diego Biurrun
2314 6299a229 Michael Niedermayer
    ap->prealloced_context = 1;
2315 e4b89522 Limin Wang
    ap->width = frame_width;
2316
    ap->height= frame_height;
2317 7e042912 Michael Niedermayer
    ap->time_base= (AVRational){1, 25};
2318 e4b89522 Limin Wang
    ap->pix_fmt = frame_pix_fmt;
2319 7e042912 Michael Niedermayer
2320 6299a229 Michael Niedermayer
    set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2321
2322 61890b02 Fabrice Bellard
    err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
2323 638c9d91 Fabrice Bellard
    if (err < 0) {
2324
        print_error(is->filename, err);
2325
        ret = -1;
2326
        goto fail;
2327
    }
2328 01310af2 Fabrice Bellard
    is->ic = ic;
2329 30bc6613 Michael Niedermayer
2330
    if(genpts)
2331
        ic->flags |= AVFMT_FLAG_GENPTS;
2332
2333 24c07998 Luca Abeni
    err = av_find_stream_info(ic);
2334
    if (err < 0) {
2335
        fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2336
        ret = -1;
2337
        goto fail;
2338
    }
2339 899681cd Björn Axelsson
    if(ic->pb)
2340
        ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2341 72ea344b Fabrice Bellard
2342 70a4764d Michael Niedermayer
    if(seek_by_bytes<0)
2343
        seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2344
2345 72ea344b Fabrice Bellard
    /* if seeking requested, we execute it */
2346
    if (start_time != AV_NOPTS_VALUE) {
2347
        int64_t timestamp;
2348
2349
        timestamp = start_time;
2350
        /* add the stream start time */
2351
        if (ic->start_time != AV_NOPTS_VALUE)
2352
            timestamp += ic->start_time;
2353 4ed29207 Michael Niedermayer
        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
2354 72ea344b Fabrice Bellard
        if (ret < 0) {
2355 115329f1 Diego Biurrun
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2356 72ea344b Fabrice Bellard
                    is->filename, (double)timestamp / AV_TIME_BASE);
2357
        }
2358
    }
2359
2360 01310af2 Fabrice Bellard
    for(i = 0; i < ic->nb_streams; i++) {
2361 9f7490a0 Michael Niedermayer
        AVStream *st= ic->streams[i];
2362
        AVCodecContext *avctx = st->codec;
2363 3f3fe38d Ronald S. Bultje
        ic->streams[i]->discard = AVDISCARD_ALL;
2364 256ab3ed Michael Niedermayer
        if(avctx->codec_type >= (unsigned)CODEC_TYPE_NB)
2365 8ef94840 David Conrad
            continue;
2366 256ab3ed Michael Niedermayer
        if(st_count[avctx->codec_type]++ != wanted_stream[avctx->codec_type] && wanted_stream[avctx->codec_type] >= 0)
2367
            continue;
2368
2369 9f7490a0 Michael Niedermayer
        if(st_best_packet_count[avctx->codec_type] >= st->codec_info_nb_frames)
2370
            continue;
2371
        st_best_packet_count[avctx->codec_type]= st->codec_info_nb_frames;
2372
2373 fe74099a Stefano Sabatini
        switch(avctx->codec_type) {
2374 01310af2 Fabrice Bellard
        case CODEC_TYPE_AUDIO:
2375 256ab3ed Michael Niedermayer
            if (!audio_disable)
2376 6625a3de Michael Niedermayer
                st_index[CODEC_TYPE_AUDIO] = i;
2377 01310af2 Fabrice Bellard
            break;
2378
        case CODEC_TYPE_VIDEO:
2379 16a59a7b Björn Axelsson
        case CODEC_TYPE_SUBTITLE:
2380 256ab3ed Michael Niedermayer
            if (!video_disable)
2381
                st_index[avctx->codec_type] = i;
2382 16a59a7b Björn Axelsson
            break;
2383 01310af2 Fabrice Bellard
        default:
2384
            break;
2385
        }
2386
    }
2387
    if (show_status) {
2388
        dump_format(ic, 0, is->filename, 0);
2389
    }
2390
2391
    /* open the streams */
2392 6625a3de Michael Niedermayer
    if (st_index[CODEC_TYPE_AUDIO] >= 0) {
2393
        stream_component_open(is, st_index[CODEC_TYPE_AUDIO]);
2394 01310af2 Fabrice Bellard
    }
2395
2396 077a8d61 Michael Niedermayer
    ret=-1;
2397 6625a3de Michael Niedermayer
    if (st_index[CODEC_TYPE_VIDEO] >= 0) {
2398
        ret= stream_component_open(is, st_index[CODEC_TYPE_VIDEO]);
2399 077a8d61 Michael Niedermayer
    }
2400 d38c9e7a Michael Niedermayer
    is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2401 077a8d61 Michael Niedermayer
    if(ret<0) {
2402 01310af2 Fabrice Bellard
        if (!display_disable)
2403 bf8ae197 Michael Niedermayer
            is->show_audio = 2;
2404 01310af2 Fabrice Bellard
    }
2405
2406 6625a3de Michael Niedermayer
    if (st_index[CODEC_TYPE_SUBTITLE] >= 0) {
2407
        stream_component_open(is, st_index[CODEC_TYPE_SUBTITLE]);
2408 16a59a7b Björn Axelsson
    }
2409
2410 01310af2 Fabrice Bellard
    if (is->video_stream < 0 && is->audio_stream < 0) {
2411 638c9d91 Fabrice Bellard
        fprintf(stderr, "%s: could not open codecs\n", is->filename);
2412
        ret = -1;
2413 01310af2 Fabrice Bellard
        goto fail;
2414
    }
2415
2416
    for(;;) {
2417
        if (is->abort_request)
2418
            break;
2419 416e3508 Fabrice Bellard
        if (is->paused != is->last_paused) {
2420
            is->last_paused = is->paused;
2421 72ea344b Fabrice Bellard
            if (is->paused)
2422 f5668147 Michael Niedermayer
                is->read_pause_return= av_read_pause(ic);
2423 72ea344b Fabrice Bellard
            else
2424
                av_read_play(ic);
2425 416e3508 Fabrice Bellard
        }
2426 2f642393 Aurelien Jacobs
#if CONFIG_RTSP_DEMUXER
2427
        if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2428 416e3508 Fabrice Bellard
            /* wait 10 ms to avoid trying to get another packet */
2429
            /* XXX: horrible */
2430
            SDL_Delay(10);
2431
            continue;
2432
        }
2433 400738b1 Michael Niedermayer
#endif
2434 72ea344b Fabrice Bellard
        if (is->seek_req) {
2435 8e606cc8 Michael Niedermayer
            int64_t seek_target= is->seek_pos;
2436 4ed29207 Michael Niedermayer
            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2437
            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2438
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2439
//      of the seek_pos/seek_rel variables
2440 8e606cc8 Michael Niedermayer
2441 4ed29207 Michael Niedermayer
            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2442 72ea344b Fabrice Bellard
            if (ret < 0) {
2443
                fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2444 e6c0297f Michael Niedermayer
            }else{
2445
                if (is->audio_stream >= 0) {
2446
                    packet_queue_flush(&is->audioq);
2447 39c6a118 Michael Niedermayer
                    packet_queue_put(&is->audioq, &flush_pkt);
2448 e6c0297f Michael Niedermayer
                }
2449 72ce053b Ian Caulfield
                if (is->subtitle_stream >= 0) {
2450
                    packet_queue_flush(&is->subtitleq);
2451 39c6a118 Michael Niedermayer
                    packet_queue_put(&is->subtitleq, &flush_pkt);
2452 72ce053b Ian Caulfield
                }
2453 e6c0297f Michael Niedermayer
                if (is->video_stream >= 0) {
2454
                    packet_queue_flush(&is->videoq);
2455 39c6a118 Michael Niedermayer
                    packet_queue_put(&is->videoq, &flush_pkt);
2456 e6c0297f Michael Niedermayer
                }
2457 72ea344b Fabrice Bellard
            }
2458
            is->seek_req = 0;
2459 e45aeb38 Michael Niedermayer
            eof= 0;
2460 72ea344b Fabrice Bellard
        }
2461 416e3508 Fabrice Bellard
2462 01310af2 Fabrice Bellard
        /* if the queue are full, no need to read more */
2463 79ee4683 Michael Niedermayer
        if (   is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2464
            || (   (is->audioq   .size  > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2465
                && (is->videoq   .nb_packets > MIN_FRAMES || is->video_stream<0)
2466
                && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2467 01310af2 Fabrice Bellard
            /* wait 10 ms */
2468
            SDL_Delay(10);
2469
            continue;
2470
        }
2471 75bb7b0a Michael Niedermayer
        if(url_feof(ic->pb) || eof) {
2472 9dc41767 Michael Niedermayer
            if(is->video_stream >= 0){
2473 26534fe8 Michael Niedermayer
                av_init_packet(pkt);
2474
                pkt->data=NULL;
2475
                pkt->size=0;
2476
                pkt->stream_index= is->video_stream;
2477
                packet_queue_put(&is->videoq, pkt);
2478 9dc41767 Michael Niedermayer
            }
2479 b4083171 Michael Niedermayer
            SDL_Delay(10);
2480 2d1653b0 Michael Niedermayer
            if(autoexit && is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2481
                ret=AVERROR_EOF;
2482
                goto fail;
2483
            }
2484 600a331c Michael Niedermayer
            continue;
2485
        }
2486 72ea344b Fabrice Bellard
        ret = av_read_frame(ic, pkt);
2487 01310af2 Fabrice Bellard
        if (ret < 0) {
2488 75bb7b0a Michael Niedermayer
            if (ret == AVERROR_EOF)
2489
                eof=1;
2490
            if (url_ferror(ic->pb))
2491 bb270c08 Diego Biurrun
                break;
2492 75bb7b0a Michael Niedermayer
            SDL_Delay(100); /* wait for user event */
2493
            continue;
2494 01310af2 Fabrice Bellard
        }
2495
        if (pkt->stream_index == is->audio_stream) {
2496
            packet_queue_put(&is->audioq, pkt);
2497
        } else if (pkt->stream_index == is->video_stream) {
2498
            packet_queue_put(&is->videoq, pkt);
2499 72ce053b Ian Caulfield
        } else if (pkt->stream_index == is->subtitle_stream) {
2500
            packet_queue_put(&is->subtitleq, pkt);
2501 01310af2 Fabrice Bellard
        } else {
2502
            av_free_packet(pkt);
2503
        }
2504
    }
2505
    /* wait until the end */
2506
    while (!is->abort_request) {
2507
        SDL_Delay(100);
2508
    }
2509
2510 638c9d91 Fabrice Bellard
    ret = 0;
2511 01310af2 Fabrice Bellard
 fail:
2512 416e3508 Fabrice Bellard
    /* disable interrupting */
2513
    global_video_state = NULL;
2514
2515 01310af2 Fabrice Bellard
    /* close each stream */
2516
    if (is->audio_stream >= 0)
2517
        stream_component_close(is, is->audio_stream);
2518
    if (is->video_stream >= 0)
2519
        stream_component_close(is, is->video_stream);
2520 72ce053b Ian Caulfield
    if (is->subtitle_stream >= 0)
2521
        stream_component_close(is, is->subtitle_stream);
2522 638c9d91 Fabrice Bellard
    if (is->ic) {
2523
        av_close_input_file(is->ic);
2524
        is->ic = NULL; /* safety */
2525
    }
2526 416e3508 Fabrice Bellard
    url_set_interrupt_cb(NULL);
2527
2528 638c9d91 Fabrice Bellard
    if (ret != 0) {
2529
        SDL_Event event;
2530 115329f1 Diego Biurrun
2531 638c9d91 Fabrice Bellard
        event.type = FF_QUIT_EVENT;
2532
        event.user.data1 = is;
2533
        SDL_PushEvent(&event);
2534
    }
2535 01310af2 Fabrice Bellard
    return 0;
2536
}
2537
2538 638c9d91 Fabrice Bellard
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2539 01310af2 Fabrice Bellard
{
2540
    VideoState *is;
2541
2542
    is = av_mallocz(sizeof(VideoState));
2543
    if (!is)
2544
        return NULL;
2545 f7d78f36 Måns Rullgård
    av_strlcpy(is->filename, filename, sizeof(is->filename));
2546 638c9d91 Fabrice Bellard
    is->iformat = iformat;
2547 01310af2 Fabrice Bellard
    is->ytop = 0;
2548
    is->xleft = 0;
2549
2550
    /* start video display */
2551
    is->pictq_mutex = SDL_CreateMutex();
2552
    is->pictq_cond = SDL_CreateCond();
2553 115329f1 Diego Biurrun
2554 72ce053b Ian Caulfield
    is->subpq_mutex = SDL_CreateMutex();
2555
    is->subpq_cond = SDL_CreateCond();
2556 115329f1 Diego Biurrun
2557 638c9d91 Fabrice Bellard
    is->av_sync_type = av_sync_type;
2558 01310af2 Fabrice Bellard
    is->parse_tid = SDL_CreateThread(decode_thread, is);
2559
    if (!is->parse_tid) {
2560
        av_free(is);
2561
        return NULL;
2562
    }
2563
    return is;
2564
}
2565
2566
static void stream_close(VideoState *is)
2567
{
2568
    VideoPicture *vp;
2569
    int i;
2570
    /* XXX: use a special url_shutdown call to abort parse cleanly */
2571
    is->abort_request = 1;
2572
    SDL_WaitThread(is->parse_tid, NULL);
2573 d38c9e7a Michael Niedermayer
    SDL_WaitThread(is->refresh_tid, NULL);
2574 01310af2 Fabrice Bellard
2575
    /* free all pictures */
2576
    for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
2577
        vp = &is->pictq[i];
2578 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
2579
        if (vp->picref) {
2580
            avfilter_unref_pic(vp->picref);
2581
            vp->picref = NULL;
2582
        }
2583
#endif
2584 01310af2 Fabrice Bellard
        if (vp->bmp) {
2585
            SDL_FreeYUVOverlay(vp->bmp);
2586
            vp->bmp = NULL;
2587
        }
2588
    }
2589
    SDL_DestroyMutex(is->pictq_mutex);
2590
    SDL_DestroyCond(is->pictq_cond);
2591 72ce053b Ian Caulfield
    SDL_DestroyMutex(is->subpq_mutex);
2592
    SDL_DestroyCond(is->subpq_cond);
2593 917d2bb3 Michael Niedermayer
#if !CONFIG_AVFILTER
2594 3ac56e28 Martin Storsjö
    if (is->img_convert_ctx)
2595
        sws_freeContext(is->img_convert_ctx);
2596 917d2bb3 Michael Niedermayer
#endif
2597 7c5ab145 Martin Storsjö
    av_free(is);
2598 01310af2 Fabrice Bellard
}
2599
2600 7b49ce2e Stefan Huehner
static void stream_cycle_channel(VideoState *is, int codec_type)
2601 638c9d91 Fabrice Bellard
{
2602
    AVFormatContext *ic = is->ic;
2603
    int start_index, stream_index;
2604
    AVStream *st;
2605
2606
    if (codec_type == CODEC_TYPE_VIDEO)
2607
        start_index = is->video_stream;
2608 72ce053b Ian Caulfield
    else if (codec_type == CODEC_TYPE_AUDIO)
2609 638c9d91 Fabrice Bellard
        start_index = is->audio_stream;
2610 72ce053b Ian Caulfield
    else
2611
        start_index = is->subtitle_stream;
2612
    if (start_index < (codec_type == CODEC_TYPE_SUBTITLE ? -1 : 0))
2613 638c9d91 Fabrice Bellard
        return;
2614
    stream_index = start_index;
2615
    for(;;) {
2616
        if (++stream_index >= is->ic->nb_streams)
2617 72ce053b Ian Caulfield
        {
2618
            if (codec_type == CODEC_TYPE_SUBTITLE)
2619
            {
2620
                stream_index = -1;
2621
                goto the_end;
2622
            } else
2623
                stream_index = 0;
2624
        }
2625 638c9d91 Fabrice Bellard
        if (stream_index == start_index)
2626
            return;
2627
        st = ic->streams[stream_index];
2628 01f4895c Michael Niedermayer
        if (st->codec->codec_type == codec_type) {
2629 638c9d91 Fabrice Bellard
            /* check that parameters are OK */
2630
            switch(codec_type) {
2631
            case CODEC_TYPE_AUDIO:
2632 01f4895c Michael Niedermayer
                if (st->codec->sample_rate != 0 &&
2633
                    st->codec->channels != 0)
2634 638c9d91 Fabrice Bellard
                    goto the_end;
2635
                break;
2636
            case CODEC_TYPE_VIDEO:
2637 72ce053b Ian Caulfield
            case CODEC_TYPE_SUBTITLE:
2638 638c9d91 Fabrice Bellard
                goto the_end;
2639
            default:
2640
                break;
2641
            }
2642
        }
2643
    }
2644
 the_end:
2645
    stream_component_close(is, start_index);
2646
    stream_component_open(is, stream_index);
2647
}
2648
2649
2650 7b49ce2e Stefan Huehner
static void toggle_full_screen(void)
2651 01310af2 Fabrice Bellard
{
2652
    is_full_screen = !is_full_screen;
2653 29f3b38a Måns Rullgård
    if (!fs_screen_width) {
2654
        /* use default SDL method */
2655 fb84155b Michael Niedermayer
//        SDL_WM_ToggleFullScreen(screen);
2656 01310af2 Fabrice Bellard
    }
2657 fb84155b Michael Niedermayer
    video_open(cur_stream);
2658 01310af2 Fabrice Bellard
}
2659
2660 7b49ce2e Stefan Huehner
static void toggle_pause(void)
2661 01310af2 Fabrice Bellard
{
2662
    if (cur_stream)
2663
        stream_pause(cur_stream);
2664 bba04f1e Wolfgang Hesseler
    step = 0;
2665
}
2666
2667 7b49ce2e Stefan Huehner
static void step_to_next_frame(void)
2668 bba04f1e Wolfgang Hesseler
{
2669
    if (cur_stream) {
2670 19cc524a Craig Nicol
        /* if the stream is paused unpause it, then step */
2671 bba04f1e Wolfgang Hesseler
        if (cur_stream->paused)
2672 19cc524a Craig Nicol
            stream_pause(cur_stream);
2673 bba04f1e Wolfgang Hesseler
    }
2674
    step = 1;
2675 01310af2 Fabrice Bellard
}
2676
2677 7b49ce2e Stefan Huehner
static void do_exit(void)
2678 01310af2 Fabrice Bellard
{
2679 7c5ab145 Martin Storsjö
    int i;
2680 01310af2 Fabrice Bellard
    if (cur_stream) {
2681
        stream_close(cur_stream);
2682
        cur_stream = NULL;
2683
    }
2684 7c5ab145 Martin Storsjö
    for (i = 0; i < CODEC_TYPE_NB; i++)
2685
        av_free(avcodec_opts[i]);
2686
    av_free(avformat_opts);
2687
    av_free(sws_opts);
2688 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
2689
    avfilter_uninit();
2690
#endif
2691 01310af2 Fabrice Bellard
    if (show_status)
2692
        printf("\n");
2693
    SDL_Quit();
2694
    exit(0);
2695
}
2696
2697 7b49ce2e Stefan Huehner
static void toggle_audio_display(void)
2698 01310af2 Fabrice Bellard
{
2699
    if (cur_stream) {
2700 f5968788 Michael Niedermayer
        int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2701 12eeda34 Michael Niedermayer
        cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
2702 f5968788 Michael Niedermayer
        fill_rectangle(screen,
2703
                    cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2704
                    bgcolor);
2705
        SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
2706 01310af2 Fabrice Bellard
    }
2707
}
2708
2709
/* handle an event sent by the GUI */
2710 7b49ce2e Stefan Huehner
static void event_loop(void)
2711 01310af2 Fabrice Bellard
{
2712
    SDL_Event event;
2713 a11d11aa Michel Bardiaux
    double incr, pos, frac;
2714 01310af2 Fabrice Bellard
2715
    for(;;) {
2716 d52ec002 Michael Niedermayer
        double x;
2717 01310af2 Fabrice Bellard
        SDL_WaitEvent(&event);
2718
        switch(event.type) {
2719
        case SDL_KEYDOWN:
2720
            switch(event.key.keysym.sym) {
2721
            case SDLK_ESCAPE:
2722
            case SDLK_q:
2723
                do_exit();
2724
                break;
2725
            case SDLK_f:
2726
                toggle_full_screen();
2727
                break;
2728
            case SDLK_p:
2729
            case SDLK_SPACE:
2730
                toggle_pause();
2731
                break;
2732 bba04f1e Wolfgang Hesseler
            case SDLK_s: //S: Step to next frame
2733
                step_to_next_frame();
2734
                break;
2735 01310af2 Fabrice Bellard
            case SDLK_a:
2736 115329f1 Diego Biurrun
                if (cur_stream)
2737 638c9d91 Fabrice Bellard
                    stream_cycle_channel(cur_stream, CODEC_TYPE_AUDIO);
2738
                break;
2739
            case SDLK_v:
2740 115329f1 Diego Biurrun
                if (cur_stream)
2741 638c9d91 Fabrice Bellard
                    stream_cycle_channel(cur_stream, CODEC_TYPE_VIDEO);
2742
                break;
2743 72ce053b Ian Caulfield
            case SDLK_t:
2744 115329f1 Diego Biurrun
                if (cur_stream)
2745 72ce053b Ian Caulfield
                    stream_cycle_channel(cur_stream, CODEC_TYPE_SUBTITLE);
2746
                break;
2747 638c9d91 Fabrice Bellard
            case SDLK_w:
2748 01310af2 Fabrice Bellard
                toggle_audio_display();
2749
                break;
2750 72ea344b Fabrice Bellard
            case SDLK_LEFT:
2751
                incr = -10.0;
2752
                goto do_seek;
2753
            case SDLK_RIGHT:
2754
                incr = 10.0;
2755
                goto do_seek;
2756
            case SDLK_UP:
2757
                incr = 60.0;
2758
                goto do_seek;
2759
            case SDLK_DOWN:
2760
                incr = -60.0;
2761
            do_seek:
2762
                if (cur_stream) {
2763 94b594c6 Steve L'Homme
                    if (seek_by_bytes) {
2764 1a620dd7 Michael Niedermayer
                        if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2765
                            pos= cur_stream->video_current_pos;
2766
                        }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2767
                            pos= cur_stream->audio_pkt.pos;
2768
                        }else
2769
                            pos = url_ftell(cur_stream->ic->pb);
2770 94b594c6 Steve L'Homme
                        if (cur_stream->ic->bit_rate)
2771 566cd2cb Michael Niedermayer
                            incr *= cur_stream->ic->bit_rate / 8.0;
2772 94b594c6 Steve L'Homme
                        else
2773
                            incr *= 180000.0;
2774
                        pos += incr;
2775 2ef46053 Michael Niedermayer
                        stream_seek(cur_stream, pos, incr, 1);
2776 94b594c6 Steve L'Homme
                    } else {
2777
                        pos = get_master_clock(cur_stream);
2778
                        pos += incr;
2779 2ef46053 Michael Niedermayer
                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
2780 94b594c6 Steve L'Homme
                    }
2781 72ea344b Fabrice Bellard
                }
2782
                break;
2783 01310af2 Fabrice Bellard
            default:
2784
                break;
2785
            }
2786
            break;
2787 a11d11aa Michel Bardiaux
        case SDL_MOUSEBUTTONDOWN:
2788 d52ec002 Michael Niedermayer
        case SDL_MOUSEMOTION:
2789
            if(event.type ==SDL_MOUSEBUTTONDOWN){
2790
                x= event.button.x;
2791
            }else{
2792
                if(event.motion.state != SDL_PRESSED)
2793
                    break;
2794
                x= event.motion.x;
2795
            }
2796 bb270c08 Diego Biurrun
            if (cur_stream) {
2797 2ef46053 Michael Niedermayer
                if(seek_by_bytes || cur_stream->ic->duration<=0){
2798
                    uint64_t size=  url_fsize(cur_stream->ic->pb);
2799 d52ec002 Michael Niedermayer
                    stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2800 2ef46053 Michael Niedermayer
                }else{
2801 6371c81a Michael Niedermayer
                    int64_t ts;
2802
                    int ns, hh, mm, ss;
2803
                    int tns, thh, tmm, tss;
2804
                    tns = cur_stream->ic->duration/1000000LL;
2805
                    thh = tns/3600;
2806
                    tmm = (tns%3600)/60;
2807
                    tss = (tns%60);
2808 d52ec002 Michael Niedermayer
                    frac = x/cur_stream->width;
2809 6371c81a Michael Niedermayer
                    ns = frac*tns;
2810
                    hh = ns/3600;
2811
                    mm = (ns%3600)/60;
2812
                    ss = (ns%60);
2813
                    fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d)       \n", frac*100,
2814
                            hh, mm, ss, thh, tmm, tss);
2815
                    ts = frac*cur_stream->ic->duration;
2816
                    if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2817
                        ts += cur_stream->ic->start_time;
2818
                    stream_seek(cur_stream, ts, 0, 0);
2819 2ef46053 Michael Niedermayer
                }
2820 bb270c08 Diego Biurrun
            }
2821
            break;
2822 01310af2 Fabrice Bellard
        case SDL_VIDEORESIZE:
2823
            if (cur_stream) {
2824 115329f1 Diego Biurrun
                screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
2825 01310af2 Fabrice Bellard
                                          SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
2826 c57d3469 Michael Niedermayer
                screen_width = cur_stream->width = event.resize.w;
2827
                screen_height= cur_stream->height= event.resize.h;
2828 01310af2 Fabrice Bellard
            }
2829
            break;
2830
        case SDL_QUIT:
2831 638c9d91 Fabrice Bellard
        case FF_QUIT_EVENT:
2832 01310af2 Fabrice Bellard
            do_exit();
2833
            break;
2834
        case FF_ALLOC_EVENT:
2835 fccb19e3 Michael Niedermayer
            video_open(event.user.data1);
2836 01310af2 Fabrice Bellard
            alloc_picture(event.user.data1);
2837
            break;
2838
        case FF_REFRESH_EVENT:
2839
            video_refresh_timer(event.user.data1);
2840 d38c9e7a Michael Niedermayer
            cur_stream->refresh=0;
2841 01310af2 Fabrice Bellard
            break;
2842
        default:
2843
            break;
2844
        }
2845
    }
2846
}
2847
2848 e4b89522 Limin Wang
static void opt_frame_size(const char *arg)
2849
{
2850 b33ece16 Stefano Sabatini
    if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2851 e4b89522 Limin Wang
        fprintf(stderr, "Incorrect frame size\n");
2852
        exit(1);
2853
    }
2854
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2855
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2856
        exit(1);
2857
    }
2858
}
2859
2860 a5b3b5f6 Stefano Sabatini
static int opt_width(const char *opt, const char *arg)
2861 01310af2 Fabrice Bellard
{
2862 a5b3b5f6 Stefano Sabatini
    screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2863
    return 0;
2864 01310af2 Fabrice Bellard
}
2865
2866 a5b3b5f6 Stefano Sabatini
static int opt_height(const char *opt, const char *arg)
2867 01310af2 Fabrice Bellard
{
2868 a5b3b5f6 Stefano Sabatini
    screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2869
    return 0;
2870 01310af2 Fabrice Bellard
}
2871
2872
static void opt_format(const char *arg)
2873
{
2874
    file_iformat = av_find_input_format(arg);
2875
    if (!file_iformat) {
2876
        fprintf(stderr, "Unknown input format: %s\n", arg);
2877
        exit(1);
2878
    }
28