Statistics
| Branch: | Revision:

ffmpeg / ffplay.c @ 4359288c

History | View | Annotate | Download (98.9 KB)

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.
16
 *
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 91880e46 Dave Yeo
#define _XOPEN_SOURCE 600
23
24 ba11257e Diego Biurrun
#include "config.h"
25 8a3ceaf4 Måns Rullgård
#include <inttypes.h>
26 0f4e8165 Ronald S. Bultje
#include <math.h>
27
#include <limits.h>
28 245976da Diego Biurrun
#include "libavutil/avstring.h"
29 2b4abbd6 Stefano Sabatini
#include "libavutil/colorspace.h"
30 718c7b18 Stefano Sabatini
#include "libavutil/pixdesc.h"
31 34017fd9 Stefano Sabatini
#include "libavcore/imgutils.h"
32 126b638e Stefano Sabatini
#include "libavcore/parseutils.h"
33 ba7d6e79 Stefano Sabatini
#include "libavcore/samplefmt.h"
34 245976da Diego Biurrun
#include "libavformat/avformat.h"
35
#include "libavdevice/avdevice.h"
36
#include "libswscale/swscale.h"
37 5a4476e2 Peter Ross
#include "libavcodec/audioconvert.h"
38 e43d7a18 Michael Niedermayer
#include "libavcodec/opt.h"
39 166621ab Måns Rullgård
#include "libavcodec/avfft.h"
40 01310af2 Fabrice Bellard
41 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
42
# include "libavfilter/avfilter.h"
43
# include "libavfilter/avfiltergraph.h"
44
#endif
45
46 01310af2 Fabrice Bellard
#include "cmdutils.h"
47
48
#include <SDL.h>
49
#include <SDL_thread.h>
50
51 2f30a81d Diego Biurrun
#ifdef __MINGW32__
52 31319a8c Fabrice Bellard
#undef main /* We don't want SDL to override our main() */
53
#endif
54
55 d38c9e7a Michael Niedermayer
#include <unistd.h>
56
#include <assert.h>
57
58 64555bd9 Michael Niedermayer
const char program_name[] = "FFplay";
59 ea9c581f Stefano Sabatini
const int program_birth_year = 2003;
60 4cfac5bc Stefano Sabatini
61 13156f40 Stefano Sabatini
//#define DEBUG
62 638c9d91 Fabrice Bellard
//#define DEBUG_SYNC
63
64 79ee4683 Michael Niedermayer
#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
65
#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
66
#define MIN_FRAMES 5
67 01310af2 Fabrice Bellard
68 638c9d91 Fabrice Bellard
/* SDL audio buffer size, in samples. Should be small to have precise
69
   A/V sync as SDL does not have hardware buffer fullness info. */
70
#define SDL_AUDIO_BUFFER_SIZE 1024
71
72
/* no AV sync correction is done if below the AV sync threshold */
73 7e0140cb Michael Niedermayer
#define AV_SYNC_THRESHOLD 0.01
74 638c9d91 Fabrice Bellard
/* no AV correction is done if too big error */
75
#define AV_NOSYNC_THRESHOLD 10.0
76
77 d38c9e7a Michael Niedermayer
#define FRAME_SKIP_FACTOR 0.05
78
79 638c9d91 Fabrice Bellard
/* maximum audio speed change to get correct sync */
80
#define SAMPLE_CORRECTION_PERCENT_MAX 10
81
82
/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
83
#define AUDIO_DIFF_AVG_NB   20
84
85 01310af2 Fabrice Bellard
/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
86
#define SAMPLE_ARRAY_SIZE (2*65536)
87
88 03ae87a3 Luca Abeni
static int sws_flags = SWS_BICUBIC;
89
90 01310af2 Fabrice Bellard
typedef struct PacketQueue {
91
    AVPacketList *first_pkt, *last_pkt;
92
    int nb_packets;
93
    int size;
94
    int abort_request;
95
    SDL_mutex *mutex;
96
    SDL_cond *cond;
97
} PacketQueue;
98
99 562f382c Michael Niedermayer
#define VIDEO_PICTURE_QUEUE_SIZE 2
100 72ce053b Ian Caulfield
#define SUBPICTURE_QUEUE_SIZE 4
101 01310af2 Fabrice Bellard
102
typedef struct VideoPicture {
103 267e9dfa Michael Niedermayer
    double pts;                                  ///<presentation time stamp for this picture
104 d38c9e7a Michael Niedermayer
    double target_clock;                         ///<av_gettime() time at which this should be displayed ideally
105 1a620dd7 Michael Niedermayer
    int64_t pos;                                 ///<byte position in file
106 01310af2 Fabrice Bellard
    SDL_Overlay *bmp;
107
    int width, height; /* source height & width */
108
    int allocated;
109 917d2bb3 Michael Niedermayer
    enum PixelFormat pix_fmt;
110
111
#if CONFIG_AVFILTER
112 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *picref;
113 917d2bb3 Michael Niedermayer
#endif
114 01310af2 Fabrice Bellard
} VideoPicture;
115
116 72ce053b Ian Caulfield
typedef struct SubPicture {
117
    double pts; /* presentation time stamp for this picture */
118
    AVSubtitle sub;
119
} SubPicture;
120
121 01310af2 Fabrice Bellard
enum {
122
    AV_SYNC_AUDIO_MASTER, /* default choice */
123
    AV_SYNC_VIDEO_MASTER,
124 638c9d91 Fabrice Bellard
    AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
125 01310af2 Fabrice Bellard
};
126
127
typedef struct VideoState {
128
    SDL_Thread *parse_tid;
129
    SDL_Thread *video_tid;
130 d38c9e7a Michael Niedermayer
    SDL_Thread *refresh_tid;
131 638c9d91 Fabrice Bellard
    AVInputFormat *iformat;
132 01310af2 Fabrice Bellard
    int no_background;
133
    int abort_request;
134
    int paused;
135 416e3508 Fabrice Bellard
    int last_paused;
136 72ea344b Fabrice Bellard
    int seek_req;
137 3ba1438d Michael Niedermayer
    int seek_flags;
138 72ea344b Fabrice Bellard
    int64_t seek_pos;
139 4ed29207 Michael Niedermayer
    int64_t seek_rel;
140 f5668147 Michael Niedermayer
    int read_pause_return;
141 01310af2 Fabrice Bellard
    AVFormatContext *ic;
142
    int dtg_active_format;
143
144
    int audio_stream;
145 115329f1 Diego Biurrun
146 01310af2 Fabrice Bellard
    int av_sync_type;
147 638c9d91 Fabrice Bellard
    double external_clock; /* external clock base */
148
    int64_t external_clock_time;
149 115329f1 Diego Biurrun
150 638c9d91 Fabrice Bellard
    double audio_clock;
151
    double audio_diff_cum; /* used for AV difference average computation */
152
    double audio_diff_avg_coef;
153
    double audio_diff_threshold;
154
    int audio_diff_avg_count;
155 01310af2 Fabrice Bellard
    AVStream *audio_st;
156
    PacketQueue audioq;
157
    int audio_hw_buf_size;
158
    /* samples output by the codec. we reserve more space for avsync
159
       compensation */
160 c6727809 Måns Rullgård
    DECLARE_ALIGNED(16,uint8_t,audio_buf1)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
161
    DECLARE_ALIGNED(16,uint8_t,audio_buf2)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
162 5a4476e2 Peter Ross
    uint8_t *audio_buf;
163 7fea94ce Zdenek Kabelac
    unsigned int audio_buf_size; /* in bytes */
164 01310af2 Fabrice Bellard
    int audio_buf_index; /* in bytes */
165 bea18375 Thilo Borgmann
    AVPacket audio_pkt_temp;
166 01310af2 Fabrice Bellard
    AVPacket audio_pkt;
167 5d6e4c16 Stefano Sabatini
    enum AVSampleFormat audio_src_fmt;
168 5a4476e2 Peter Ross
    AVAudioConvert *reformat_ctx;
169 115329f1 Diego Biurrun
170 01310af2 Fabrice Bellard
    int show_audio; /* if true, display audio samples */
171
    int16_t sample_array[SAMPLE_ARRAY_SIZE];
172
    int sample_array_index;
173 5e0257e3 Fabrice Bellard
    int last_i_start;
174 166621ab Måns Rullgård
    RDFTContext *rdft;
175 12eeda34 Michael Niedermayer
    int rdft_bits;
176 7dbbf6a1 Måns Rullgård
    FFTSample *rdft_data;
177 12eeda34 Michael Niedermayer
    int xpos;
178 115329f1 Diego Biurrun
179 72ce053b Ian Caulfield
    SDL_Thread *subtitle_tid;
180
    int subtitle_stream;
181
    int subtitle_stream_changed;
182
    AVStream *subtitle_st;
183
    PacketQueue subtitleq;
184
    SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
185
    int subpq_size, subpq_rindex, subpq_windex;
186
    SDL_mutex *subpq_mutex;
187
    SDL_cond *subpq_cond;
188 115329f1 Diego Biurrun
189 638c9d91 Fabrice Bellard
    double frame_timer;
190
    double frame_last_pts;
191
    double frame_last_delay;
192 115329f1 Diego Biurrun
    double video_clock;                          ///<pts of last decoded frame / predicted pts of next decoded frame
193 01310af2 Fabrice Bellard
    int video_stream;
194
    AVStream *video_st;
195
    PacketQueue videoq;
196 267e9dfa Michael Niedermayer
    double video_current_pts;                    ///<current displayed pts (different from video_clock if frame fifos are used)
197 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
198 1a620dd7 Michael Niedermayer
    int64_t video_current_pos;                   ///<current displayed file pos
199 01310af2 Fabrice Bellard
    VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
200
    int pictq_size, pictq_rindex, pictq_windex;
201
    SDL_mutex *pictq_mutex;
202
    SDL_cond *pictq_cond;
203 917d2bb3 Michael Niedermayer
#if !CONFIG_AVFILTER
204 3ac56e28 Martin Storsjö
    struct SwsContext *img_convert_ctx;
205 917d2bb3 Michael Niedermayer
#endif
206 115329f1 Diego Biurrun
207 01310af2 Fabrice Bellard
    //    QETimer *video_timer;
208
    char filename[1024];
209
    int width, height, xleft, ytop;
210 41db429d Michael Niedermayer
211 7a8bfa5d Alexander Strange
    PtsCorrectionContext pts_ctx;
212 41db429d Michael Niedermayer
213 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
214
    AVFilterContext *out_video_filter;          ///<the last filter in the video chain
215
#endif
216 d38c9e7a Michael Niedermayer
217
    float skip_frames;
218
    float skip_frames_index;
219
    int refresh;
220 01310af2 Fabrice Bellard
} VideoState;
221
222 358061f6 Diego Pettenò
static void show_help(void);
223 638c9d91 Fabrice Bellard
static int audio_write_get_buf_size(VideoState *is);
224 01310af2 Fabrice Bellard
225
/* options specified by the user */
226
static AVInputFormat *file_iformat;
227
static const char *input_filename;
228 076db5ed Robert Krüger
static const char *window_title;
229 01310af2 Fabrice Bellard
static int fs_screen_width;
230
static int fs_screen_height;
231 fccb19e3 Michael Niedermayer
static int screen_width = 0;
232
static int screen_height = 0;
233 e4b89522 Limin Wang
static int frame_width = 0;
234
static int frame_height = 0;
235
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
236 01310af2 Fabrice Bellard
static int audio_disable;
237
static int video_disable;
238 72415b2a Stefano Sabatini
static int wanted_stream[AVMEDIA_TYPE_NB]={
239
    [AVMEDIA_TYPE_AUDIO]=-1,
240
    [AVMEDIA_TYPE_VIDEO]=-1,
241
    [AVMEDIA_TYPE_SUBTITLE]=-1,
242 5b369983 Michael Niedermayer
};
243 70a4764d Michael Niedermayer
static int seek_by_bytes=-1;
244 01310af2 Fabrice Bellard
static int display_disable;
245 1e1a0b18 Baptiste Coudurier
static int show_status = 1;
246 638c9d91 Fabrice Bellard
static int av_sync_type = AV_SYNC_AUDIO_MASTER;
247 72ea344b Fabrice Bellard
static int64_t start_time = AV_NOPTS_VALUE;
248 d834d63b Robert Krüger
static int64_t duration = AV_NOPTS_VALUE;
249 e26a8335 Wolfgang Hesseler
static int debug = 0;
250 0c9bbaec Wolfgang Hesseler
static int debug_mv = 0;
251 bba04f1e Wolfgang Hesseler
static int step = 0;
252 c62c07d3 Michael Niedermayer
static int thread_count = 1;
253 6387c3e6 Michael Niedermayer
static int workaround_bugs = 1;
254 6fc5b059 Michael Niedermayer
static int fast = 0;
255 30bc6613 Michael Niedermayer
static int genpts = 0;
256 178fcca8 Michael Niedermayer
static int lowres = 0;
257
static int idct = FF_IDCT_AUTO;
258 8c3eba7c Michael Niedermayer
static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
259
static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
260
static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
261 047599a4 Michael Niedermayer
static int error_recognition = FF_ER_CAREFUL;
262 1b51e051 Michael Niedermayer
static int error_concealment = 3;
263 41db429d Michael Niedermayer
static int decoder_reorder_pts= -1;
264 2d1653b0 Michael Niedermayer
static int autoexit;
265 066ce8c9 Alexei Svitkine
static int exit_on_keydown;
266
static int exit_on_mousedown;
267 1922c0a7 Robert Krüger
static int loop=1;
268 d38c9e7a Michael Niedermayer
static int framedrop=1;
269 2b3da32f Michael Niedermayer
270
static int rdftspeed=20;
271 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
272
static char *vfilters = NULL;
273
#endif
274 01310af2 Fabrice Bellard
275
/* current context */
276
static int is_full_screen;
277
static VideoState *cur_stream;
278 5e0257e3 Fabrice Bellard
static int64_t audio_callback_time;
279 01310af2 Fabrice Bellard
280 2c676c33 Diego Pettenò
static AVPacket flush_pkt;
281 39c6a118 Michael Niedermayer
282 01310af2 Fabrice Bellard
#define FF_ALLOC_EVENT   (SDL_USEREVENT)
283
#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
284 638c9d91 Fabrice Bellard
#define FF_QUIT_EVENT    (SDL_USEREVENT + 2)
285 01310af2 Fabrice Bellard
286 2c676c33 Diego Pettenò
static SDL_Surface *screen;
287 01310af2 Fabrice Bellard
288 515bd00e Michael Niedermayer
static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
289
290 01310af2 Fabrice Bellard
/* packet queue handling */
291
static void packet_queue_init(PacketQueue *q)
292
{
293
    memset(q, 0, sizeof(PacketQueue));
294
    q->mutex = SDL_CreateMutex();
295
    q->cond = SDL_CreateCond();
296 515bd00e Michael Niedermayer
    packet_queue_put(q, &flush_pkt);
297 01310af2 Fabrice Bellard
}
298
299 72ea344b Fabrice Bellard
static void packet_queue_flush(PacketQueue *q)
300 01310af2 Fabrice Bellard
{
301
    AVPacketList *pkt, *pkt1;
302
303 687fae2b Ivan Wong
    SDL_LockMutex(q->mutex);
304 01310af2 Fabrice Bellard
    for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
305
        pkt1 = pkt->next;
306
        av_free_packet(&pkt->pkt);
307 da6c4573 Michael Niedermayer
        av_freep(&pkt);
308 01310af2 Fabrice Bellard
    }
309 72ea344b Fabrice Bellard
    q->last_pkt = NULL;
310
    q->first_pkt = NULL;
311
    q->nb_packets = 0;
312
    q->size = 0;
313 687fae2b Ivan Wong
    SDL_UnlockMutex(q->mutex);
314 72ea344b Fabrice Bellard
}
315
316
static void packet_queue_end(PacketQueue *q)
317
{
318
    packet_queue_flush(q);
319 01310af2 Fabrice Bellard
    SDL_DestroyMutex(q->mutex);
320
    SDL_DestroyCond(q->cond);
321
}
322
323
static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
324
{
325
    AVPacketList *pkt1;
326
327 72ea344b Fabrice Bellard
    /* duplicate the packet */
328 39c6a118 Michael Niedermayer
    if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
329 72ea344b Fabrice Bellard
        return -1;
330 115329f1 Diego Biurrun
331 01310af2 Fabrice Bellard
    pkt1 = av_malloc(sizeof(AVPacketList));
332
    if (!pkt1)
333
        return -1;
334
    pkt1->pkt = *pkt;
335
    pkt1->next = NULL;
336
337 72ea344b Fabrice Bellard
338 01310af2 Fabrice Bellard
    SDL_LockMutex(q->mutex);
339
340
    if (!q->last_pkt)
341
342
        q->first_pkt = pkt1;
343
    else
344
        q->last_pkt->next = pkt1;
345
    q->last_pkt = pkt1;
346
    q->nb_packets++;
347 7b776589 Aurelien Jacobs
    q->size += pkt1->pkt.size + sizeof(*pkt1);
348 01310af2 Fabrice Bellard
    /* XXX: should duplicate packet data in DV case */
349
    SDL_CondSignal(q->cond);
350
351
    SDL_UnlockMutex(q->mutex);
352
    return 0;
353
}
354
355
static void packet_queue_abort(PacketQueue *q)
356
{
357
    SDL_LockMutex(q->mutex);
358
359
    q->abort_request = 1;
360 115329f1 Diego Biurrun
361 01310af2 Fabrice Bellard
    SDL_CondSignal(q->cond);
362
363
    SDL_UnlockMutex(q->mutex);
364
}
365
366
/* return < 0 if aborted, 0 if no packet and > 0 if packet.  */
367
static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
368
{
369
    AVPacketList *pkt1;
370
    int ret;
371
372
    SDL_LockMutex(q->mutex);
373
374
    for(;;) {
375
        if (q->abort_request) {
376
            ret = -1;
377
            break;
378
        }
379 115329f1 Diego Biurrun
380 01310af2 Fabrice Bellard
        pkt1 = q->first_pkt;
381
        if (pkt1) {
382
            q->first_pkt = pkt1->next;
383
            if (!q->first_pkt)
384
                q->last_pkt = NULL;
385
            q->nb_packets--;
386 7b776589 Aurelien Jacobs
            q->size -= pkt1->pkt.size + sizeof(*pkt1);
387 01310af2 Fabrice Bellard
            *pkt = pkt1->pkt;
388
            av_free(pkt1);
389
            ret = 1;
390
            break;
391
        } else if (!block) {
392
            ret = 0;
393
            break;
394
        } else {
395
            SDL_CondWait(q->cond, q->mutex);
396
        }
397
    }
398
    SDL_UnlockMutex(q->mutex);
399
    return ret;
400
}
401
402 115329f1 Diego Biurrun
static inline void fill_rectangle(SDL_Surface *screen,
403 01310af2 Fabrice Bellard
                                  int x, int y, int w, int h, int color)
404
{
405
    SDL_Rect rect;
406
    rect.x = x;
407
    rect.y = y;
408
    rect.w = w;
409
    rect.h = h;
410
    SDL_FillRect(screen, &rect, color);
411
}
412
413
#if 0
414
/* draw only the border of a rectangle */
415
void fill_border(VideoState *s, int x, int y, int w, int h, int color)
416
{
417
    int w1, w2, h1, h2;
418

419
    /* fill the background */
420
    w1 = x;
421
    if (w1 < 0)
422
        w1 = 0;
423
    w2 = s->width - (x + w);
424
    if (w2 < 0)
425
        w2 = 0;
426
    h1 = y;
427
    if (h1 < 0)
428
        h1 = 0;
429
    h2 = s->height - (y + h);
430
    if (h2 < 0)
431
        h2 = 0;
432 115329f1 Diego Biurrun
    fill_rectangle(screen,
433
                   s->xleft, s->ytop,
434
                   w1, s->height,
435 01310af2 Fabrice Bellard
                   color);
436 115329f1 Diego Biurrun
    fill_rectangle(screen,
437
                   s->xleft + s->width - w2, s->ytop,
438
                   w2, s->height,
439 01310af2 Fabrice Bellard
                   color);
440 115329f1 Diego Biurrun
    fill_rectangle(screen,
441
                   s->xleft + w1, s->ytop,
442
                   s->width - w1 - w2, h1,
443 01310af2 Fabrice Bellard
                   color);
444 115329f1 Diego Biurrun
    fill_rectangle(screen,
445 01310af2 Fabrice Bellard
                   s->xleft + w1, s->ytop + s->height - h2,
446
                   s->width - w1 - w2, h2,
447
                   color);
448
}
449
#endif
450
451 72ce053b Ian Caulfield
#define ALPHA_BLEND(a, oldp, newp, s)\
452
((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
453
454
#define RGBA_IN(r, g, b, a, s)\
455
{\
456
    unsigned int v = ((const uint32_t *)(s))[0];\
457
    a = (v >> 24) & 0xff;\
458
    r = (v >> 16) & 0xff;\
459
    g = (v >> 8) & 0xff;\
460
    b = v & 0xff;\
461
}
462
463
#define YUVA_IN(y, u, v, a, s, pal)\
464
{\
465 57cf99f2 Reimar Döffinger
    unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
466 72ce053b Ian Caulfield
    a = (val >> 24) & 0xff;\
467
    y = (val >> 16) & 0xff;\
468
    u = (val >> 8) & 0xff;\
469
    v = val & 0xff;\
470
}
471
472
#define YUVA_OUT(d, y, u, v, a)\
473
{\
474
    ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
475
}
476
477
478
#define BPP 1
479
480 0a8cd696 Reimar Döffinger
static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
481 72ce053b Ian Caulfield
{
482
    int wrap, wrap3, width2, skip2;
483
    int y, u, v, a, u1, v1, a1, w, h;
484
    uint8_t *lum, *cb, *cr;
485
    const uint8_t *p;
486
    const uint32_t *pal;
487 9cb5a11e Reimar Döffinger
    int dstx, dsty, dstw, dsth;
488
489 7cf9c6ae Michael Niedermayer
    dstw = av_clip(rect->w, 0, imgw);
490
    dsth = av_clip(rect->h, 0, imgh);
491
    dstx = av_clip(rect->x, 0, imgw - dstw);
492
    dsty = av_clip(rect->y, 0, imgh - dsth);
493 9cb5a11e Reimar Döffinger
    lum = dst->data[0] + dsty * dst->linesize[0];
494
    cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
495
    cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
496
497 f54b31b9 Björn Axelsson
    width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
498 9cb5a11e Reimar Döffinger
    skip2 = dstx >> 1;
499 72ce053b Ian Caulfield
    wrap = dst->linesize[0];
500 25b4c651 Michael Niedermayer
    wrap3 = rect->pict.linesize[0];
501
    p = rect->pict.data[0];
502
    pal = (const uint32_t *)rect->pict.data[1];  /* Now in YCrCb! */
503 115329f1 Diego Biurrun
504 9cb5a11e Reimar Döffinger
    if (dsty & 1) {
505
        lum += dstx;
506 72ce053b Ian Caulfield
        cb += skip2;
507
        cr += skip2;
508 115329f1 Diego Biurrun
509 9cb5a11e Reimar Döffinger
        if (dstx & 1) {
510 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
511
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
512
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
513
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
514
            cb++;
515
            cr++;
516
            lum++;
517
            p += BPP;
518
        }
519 9cb5a11e Reimar Döffinger
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
520 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
521
            u1 = u;
522
            v1 = v;
523
            a1 = a;
524
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
525
526
            YUVA_IN(y, u, v, a, p + BPP, pal);
527
            u1 += u;
528
            v1 += v;
529
            a1 += a;
530
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
531
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
532
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
533
            cb++;
534
            cr++;
535
            p += 2 * BPP;
536
            lum += 2;
537
        }
538
        if (w) {
539
            YUVA_IN(y, u, v, a, p, pal);
540
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
541
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
542
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
543 676ef505 Björn Axelsson
            p++;
544
            lum++;
545 72ce053b Ian Caulfield
        }
546 4606a059 Björn Axelsson
        p += wrap3 - dstw * BPP;
547
        lum += wrap - dstw - dstx;
548 72ce053b Ian Caulfield
        cb += dst->linesize[1] - width2 - skip2;
549
        cr += dst->linesize[2] - width2 - skip2;
550
    }
551 9cb5a11e Reimar Döffinger
    for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
552
        lum += dstx;
553 72ce053b Ian Caulfield
        cb += skip2;
554
        cr += skip2;
555 115329f1 Diego Biurrun
556 9cb5a11e Reimar Döffinger
        if (dstx & 1) {
557 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
558
            u1 = u;
559
            v1 = v;
560
            a1 = a;
561
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
562
            p += wrap3;
563
            lum += wrap;
564
            YUVA_IN(y, u, v, a, p, pal);
565
            u1 += u;
566
            v1 += v;
567
            a1 += a;
568
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
569
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
570
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
571
            cb++;
572
            cr++;
573
            p += -wrap3 + BPP;
574
            lum += -wrap + 1;
575
        }
576 9cb5a11e Reimar Döffinger
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
577 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
578
            u1 = u;
579
            v1 = v;
580
            a1 = a;
581
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
582
583 f8ca63e8 Björn Axelsson
            YUVA_IN(y, u, v, a, p + BPP, pal);
584 72ce053b Ian Caulfield
            u1 += u;
585
            v1 += v;
586
            a1 += a;
587
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
588
            p += wrap3;
589
            lum += wrap;
590
591
            YUVA_IN(y, u, v, a, p, pal);
592
            u1 += u;
593
            v1 += v;
594
            a1 += a;
595
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
596
597 f8ca63e8 Björn Axelsson
            YUVA_IN(y, u, v, a, p + BPP, pal);
598 72ce053b Ian Caulfield
            u1 += u;
599
            v1 += v;
600
            a1 += a;
601
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
602
603
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
604
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
605
606
            cb++;
607
            cr++;
608
            p += -wrap3 + 2 * BPP;
609
            lum += -wrap + 2;
610
        }
611
        if (w) {
612
            YUVA_IN(y, u, v, a, p, pal);
613
            u1 = u;
614
            v1 = v;
615
            a1 = a;
616
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
617
            p += wrap3;
618
            lum += wrap;
619
            YUVA_IN(y, u, v, a, p, pal);
620
            u1 += u;
621
            v1 += v;
622
            a1 += a;
623
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
624
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
625
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
626
            cb++;
627
            cr++;
628
            p += -wrap3 + BPP;
629
            lum += -wrap + 1;
630
        }
631 9cb5a11e Reimar Döffinger
        p += wrap3 + (wrap3 - dstw * BPP);
632
        lum += wrap + (wrap - dstw - dstx);
633 72ce053b Ian Caulfield
        cb += dst->linesize[1] - width2 - skip2;
634
        cr += dst->linesize[2] - width2 - skip2;
635
    }
636
    /* handle odd height */
637
    if (h) {
638 9cb5a11e Reimar Döffinger
        lum += dstx;
639 72ce053b Ian Caulfield
        cb += skip2;
640
        cr += skip2;
641 115329f1 Diego Biurrun
642 9cb5a11e Reimar Döffinger
        if (dstx & 1) {
643 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
644
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
645
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
646
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
647
            cb++;
648
            cr++;
649
            lum++;
650
            p += BPP;
651
        }
652 9cb5a11e Reimar Döffinger
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
653 72ce053b Ian Caulfield
            YUVA_IN(y, u, v, a, p, pal);
654
            u1 = u;
655
            v1 = v;
656
            a1 = a;
657
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
658
659
            YUVA_IN(y, u, v, a, p + BPP, pal);
660
            u1 += u;
661
            v1 += v;
662
            a1 += a;
663
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
664
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
665
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
666
            cb++;
667
            cr++;
668
            p += 2 * BPP;
669
            lum += 2;
670
        }
671
        if (w) {
672
            YUVA_IN(y, u, v, a, p, pal);
673
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
674
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
675
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
676
        }
677
    }
678
}
679
680
static void free_subpicture(SubPicture *sp)
681
{
682 e1d7c883 Reimar Döffinger
    avsubtitle_free(&sp->sub);
683 72ce053b Ian Caulfield
}
684
685 01310af2 Fabrice Bellard
static void video_image_display(VideoState *is)
686
{
687
    VideoPicture *vp;
688 72ce053b Ian Caulfield
    SubPicture *sp;
689
    AVPicture pict;
690 01310af2 Fabrice Bellard
    float aspect_ratio;
691
    int width, height, x, y;
692
    SDL_Rect rect;
693 72ce053b Ian Caulfield
    int i;
694 01310af2 Fabrice Bellard
695
    vp = &is->pictq[is->pictq_rindex];
696
    if (vp->bmp) {
697 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
698 cc80caff S.N. Hemanth Meenakshisundaram
         if (vp->picref->video->pixel_aspect.num == 0)
699 917d2bb3 Michael Niedermayer
             aspect_ratio = 0;
700
         else
701 cc80caff S.N. Hemanth Meenakshisundaram
             aspect_ratio = av_q2d(vp->picref->video->pixel_aspect);
702 917d2bb3 Michael Niedermayer
#else
703
704 01310af2 Fabrice Bellard
        /* XXX: use variable in the frame */
705 c30a4489 Aurelien Jacobs
        if (is->video_st->sample_aspect_ratio.num)
706
            aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
707
        else if (is->video_st->codec->sample_aspect_ratio.num)
708
            aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
709 72ea344b Fabrice Bellard
        else
710 c30a4489 Aurelien Jacobs
            aspect_ratio = 0;
711 917d2bb3 Michael Niedermayer
#endif
712 01310af2 Fabrice Bellard
        if (aspect_ratio <= 0.0)
713 c30a4489 Aurelien Jacobs
            aspect_ratio = 1.0;
714 917d2bb3 Michael Niedermayer
        aspect_ratio *= (float)vp->width / (float)vp->height;
715 01310af2 Fabrice Bellard
        /* if an active format is indicated, then it overrides the
716
           mpeg format */
717
#if 0
718 01f4895c Michael Niedermayer
        if (is->video_st->codec->dtg_active_format != is->dtg_active_format) {
719
            is->dtg_active_format = is->video_st->codec->dtg_active_format;
720 01310af2 Fabrice Bellard
            printf("dtg_active_format=%d\n", is->dtg_active_format);
721
        }
722
#endif
723
#if 0
724 01f4895c Michael Niedermayer
        switch(is->video_st->codec->dtg_active_format) {
725 01310af2 Fabrice Bellard
        case FF_DTG_AFD_SAME:
726
        default:
727
            /* nothing to do */
728
            break;
729
        case FF_DTG_AFD_4_3:
730
            aspect_ratio = 4.0 / 3.0;
731
            break;
732
        case FF_DTG_AFD_16_9:
733
            aspect_ratio = 16.0 / 9.0;
734
            break;
735
        case FF_DTG_AFD_14_9:
736
            aspect_ratio = 14.0 / 9.0;
737
            break;
738
        case FF_DTG_AFD_4_3_SP_14_9:
739
            aspect_ratio = 14.0 / 9.0;
740
            break;
741
        case FF_DTG_AFD_16_9_SP_14_9:
742
            aspect_ratio = 14.0 / 9.0;
743
            break;
744
        case FF_DTG_AFD_SP_4_3:
745
            aspect_ratio = 4.0 / 3.0;
746
            break;
747
        }
748
#endif
749
750 72ce053b Ian Caulfield
        if (is->subtitle_st)
751
        {
752
            if (is->subpq_size > 0)
753
            {
754
                sp = &is->subpq[is->subpq_rindex];
755
756
                if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
757
                {
758
                    SDL_LockYUVOverlay (vp->bmp);
759
760
                    pict.data[0] = vp->bmp->pixels[0];
761
                    pict.data[1] = vp->bmp->pixels[2];
762
                    pict.data[2] = vp->bmp->pixels[1];
763
764
                    pict.linesize[0] = vp->bmp->pitches[0];
765
                    pict.linesize[1] = vp->bmp->pitches[2];
766
                    pict.linesize[2] = vp->bmp->pitches[1];
767
768
                    for (i = 0; i < sp->sub.num_rects; i++)
769 db4fac64 Michael Niedermayer
                        blend_subrect(&pict, sp->sub.rects[i],
770 0a8cd696 Reimar Döffinger
                                      vp->bmp->w, vp->bmp->h);
771 72ce053b Ian Caulfield
772
                    SDL_UnlockYUVOverlay (vp->bmp);
773
                }
774
            }
775
        }
776
777
778 01310af2 Fabrice Bellard
        /* XXX: we suppose the screen has a 1.0 pixel ratio */
779
        height = is->height;
780 bb6c34e5 Michael Niedermayer
        width = ((int)rint(height * aspect_ratio)) & ~1;
781 01310af2 Fabrice Bellard
        if (width > is->width) {
782
            width = is->width;
783 bb6c34e5 Michael Niedermayer
            height = ((int)rint(width / aspect_ratio)) & ~1;
784 01310af2 Fabrice Bellard
        }
785
        x = (is->width - width) / 2;
786
        y = (is->height - height) / 2;
787
        if (!is->no_background) {
788
            /* fill the background */
789
            //            fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
790
        } else {
791
            is->no_background = 0;
792
        }
793
        rect.x = is->xleft + x;
794 2f6547fb Baptiste Coudurier
        rect.y = is->ytop  + y;
795 01310af2 Fabrice Bellard
        rect.w = width;
796
        rect.h = height;
797
        SDL_DisplayYUVOverlay(vp->bmp, &rect);
798
    } else {
799
#if 0
800 115329f1 Diego Biurrun
        fill_rectangle(screen,
801
                       is->xleft, is->ytop, is->width, is->height,
802 01310af2 Fabrice Bellard
                       QERGB(0x00, 0x00, 0x00));
803
#endif
804
    }
805
}
806
807
static inline int compute_mod(int a, int b)
808
{
809
    a = a % b;
810 115329f1 Diego Biurrun
    if (a >= 0)
811 01310af2 Fabrice Bellard
        return a;
812
    else
813
        return a + b;
814
}
815
816
static void video_audio_display(VideoState *s)
817
{
818
    int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
819
    int ch, channels, h, h2, bgcolor, fgcolor;
820
    int16_t time_diff;
821 4c7c7645 Michael Niedermayer
    int rdft_bits, nb_freq;
822
823
    for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
824
        ;
825
    nb_freq= 1<<(rdft_bits-1);
826 115329f1 Diego Biurrun
827 01310af2 Fabrice Bellard
    /* compute display index : center on currently output samples */
828 01f4895c Michael Niedermayer
    channels = s->audio_st->codec->channels;
829 01310af2 Fabrice Bellard
    nb_display_channels = channels;
830 5e0257e3 Fabrice Bellard
    if (!s->paused) {
831 4c7c7645 Michael Niedermayer
        int data_used= s->show_audio==1 ? s->width : (2*nb_freq);
832 5e0257e3 Fabrice Bellard
        n = 2 * channels;
833
        delay = audio_write_get_buf_size(s);
834
        delay /= n;
835 115329f1 Diego Biurrun
836 5e0257e3 Fabrice Bellard
        /* to be more precise, we take into account the time spent since
837
           the last buffer computation */
838
        if (audio_callback_time) {
839
            time_diff = av_gettime() - audio_callback_time;
840 122dcdcb Michael Niedermayer
            delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
841 5e0257e3 Fabrice Bellard
        }
842 115329f1 Diego Biurrun
843 122dcdcb Michael Niedermayer
        delay += 2*data_used;
844 4c7c7645 Michael Niedermayer
        if (delay < data_used)
845
            delay = data_used;
846 ac50bcc8 Michael Niedermayer
847
        i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
848 12eeda34 Michael Niedermayer
        if(s->show_audio==1){
849 6c7165c7 Jai Menon
            h= INT_MIN;
850
            for(i=0; i<1000; i+=channels){
851
                int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
852
                int a= s->sample_array[idx];
853
                int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
854
                int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
855
                int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
856
                int score= a-d;
857
                if(h<score && (b^c)<0){
858
                    h= score;
859
                    i_start= idx;
860
                }
861 ac50bcc8 Michael Niedermayer
            }
862
        }
863
864 5e0257e3 Fabrice Bellard
        s->last_i_start = i_start;
865
    } else {
866
        i_start = s->last_i_start;
867 01310af2 Fabrice Bellard
    }
868
869
    bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
870 12eeda34 Michael Niedermayer
    if(s->show_audio==1){
871 6c7165c7 Jai Menon
        fill_rectangle(screen,
872
                       s->xleft, s->ytop, s->width, s->height,
873
                       bgcolor);
874
875
        fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
876
877
        /* total height for one channel */
878
        h = s->height / nb_display_channels;
879
        /* graph height / 2 */
880
        h2 = (h * 9) / 20;
881
        for(ch = 0;ch < nb_display_channels; ch++) {
882
            i = i_start + ch;
883
            y1 = s->ytop + ch * h + (h / 2); /* position of center line */
884
            for(x = 0; x < s->width; x++) {
885
                y = (s->sample_array[i] * h2) >> 15;
886
                if (y < 0) {
887
                    y = -y;
888
                    ys = y1 - y;
889
                } else {
890
                    ys = y1;
891
                }
892
                fill_rectangle(screen,
893
                               s->xleft + x, ys, 1, y,
894
                               fgcolor);
895
                i += channels;
896
                if (i >= SAMPLE_ARRAY_SIZE)
897
                    i -= SAMPLE_ARRAY_SIZE;
898 01310af2 Fabrice Bellard
            }
899
        }
900
901 6c7165c7 Jai Menon
        fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
902 01310af2 Fabrice Bellard
903 6c7165c7 Jai Menon
        for(ch = 1;ch < nb_display_channels; ch++) {
904
            y = s->ytop + ch * h;
905
            fill_rectangle(screen,
906
                           s->xleft, y, s->width, 1,
907
                           fgcolor);
908
        }
909
        SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
910 12eeda34 Michael Niedermayer
    }else{
911
        nb_display_channels= FFMIN(nb_display_channels, 2);
912
        if(rdft_bits != s->rdft_bits){
913 166621ab Måns Rullgård
            av_rdft_end(s->rdft);
914 7dbbf6a1 Måns Rullgård
            av_free(s->rdft_data);
915 166621ab Måns Rullgård
            s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
916 12eeda34 Michael Niedermayer
            s->rdft_bits= rdft_bits;
917 7dbbf6a1 Måns Rullgård
            s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));
918 12eeda34 Michael Niedermayer
        }
919
        {
920 7dbbf6a1 Måns Rullgård
            FFTSample *data[2];
921 12eeda34 Michael Niedermayer
            for(ch = 0;ch < nb_display_channels; ch++) {
922 7dbbf6a1 Måns Rullgård
                data[ch] = s->rdft_data + 2*nb_freq*ch;
923 12eeda34 Michael Niedermayer
                i = i_start + ch;
924
                for(x = 0; x < 2*nb_freq; x++) {
925
                    double w= (x-nb_freq)*(1.0/nb_freq);
926
                    data[ch][x]= s->sample_array[i]*(1.0-w*w);
927
                    i += channels;
928
                    if (i >= SAMPLE_ARRAY_SIZE)
929
                        i -= SAMPLE_ARRAY_SIZE;
930
                }
931 166621ab Måns Rullgård
                av_rdft_calc(s->rdft, data[ch]);
932 12eeda34 Michael Niedermayer
            }
933
            //least efficient way to do this, we should of course directly access it but its more than fast enough
934 092421cf Michael Niedermayer
            for(y=0; y<s->height; y++){
935 12eeda34 Michael Niedermayer
                double w= 1/sqrt(nb_freq);
936
                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]));
937 00f72577 Jai Menon
                int b= (nb_display_channels == 2 ) ? sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0]
938
                       + data[1][2*y+1]*data[1][2*y+1])) : a;
939 12eeda34 Michael Niedermayer
                a= FFMIN(a,255);
940
                b= FFMIN(b,255);
941
                fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
942
943
                fill_rectangle(screen,
944
                            s->xpos, s->height-y, 1, 1,
945
                            fgcolor);
946
            }
947
        }
948
        SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
949
        s->xpos++;
950
        if(s->xpos >= s->width)
951
            s->xpos= s->xleft;
952
    }
953 01310af2 Fabrice Bellard
}
954
955 990c8438 Michael Niedermayer
static int video_open(VideoState *is){
956
    int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
957
    int w,h;
958
959 fb84155b Michael Niedermayer
    if(is_full_screen) flags |= SDL_FULLSCREEN;
960
    else               flags |= SDL_RESIZABLE;
961
962 990c8438 Michael Niedermayer
    if (is_full_screen && fs_screen_width) {
963
        w = fs_screen_width;
964
        h = fs_screen_height;
965 fb84155b Michael Niedermayer
    } else if(!is_full_screen && screen_width){
966
        w = screen_width;
967
        h = screen_height;
968 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
969
    }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
970
        w = is->out_video_filter->inputs[0]->w;
971
        h = is->out_video_filter->inputs[0]->h;
972
#else
973 fb84155b Michael Niedermayer
    }else if (is->video_st && is->video_st->codec->width){
974
        w = is->video_st->codec->width;
975
        h = is->video_st->codec->height;
976 917d2bb3 Michael Niedermayer
#endif
977 990c8438 Michael Niedermayer
    } else {
978 fb84155b Michael Niedermayer
        w = 640;
979
        h = 480;
980 990c8438 Michael Niedermayer
    }
981 d3d7b12e Michael Niedermayer
    if(screen && is->width == screen->w && screen->w == w
982
       && is->height== screen->h && screen->h == h)
983
        return 0;
984
985 c97f5402 Diego Biurrun
#ifndef __APPLE__
986 990c8438 Michael Niedermayer
    screen = SDL_SetVideoMode(w, h, 0, flags);
987
#else
988
    /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
989
    screen = SDL_SetVideoMode(w, h, 24, flags);
990
#endif
991
    if (!screen) {
992
        fprintf(stderr, "SDL: could not set video mode - exiting\n");
993
        return -1;
994
    }
995 076db5ed Robert Krüger
    if (!window_title)
996
        window_title = input_filename;
997
    SDL_WM_SetCaption(window_title, window_title);
998 990c8438 Michael Niedermayer
999
    is->width = screen->w;
1000
    is->height = screen->h;
1001
1002
    return 0;
1003
}
1004 8c982c5d Michael Niedermayer
1005 01310af2 Fabrice Bellard
/* display the current picture, if any */
1006
static void video_display(VideoState *is)
1007
{
1008 8c982c5d Michael Niedermayer
    if(!screen)
1009
        video_open(cur_stream);
1010 115329f1 Diego Biurrun
    if (is->audio_st && is->show_audio)
1011 01310af2 Fabrice Bellard
        video_audio_display(is);
1012
    else if (is->video_st)
1013
        video_image_display(is);
1014
}
1015
1016 d38c9e7a Michael Niedermayer
static int refresh_thread(void *opaque)
1017 01310af2 Fabrice Bellard
{
1018 d38c9e7a Michael Niedermayer
    VideoState *is= opaque;
1019
    while(!is->abort_request){
1020 d881a0e8 Stefano Sabatini
        SDL_Event event;
1021
        event.type = FF_REFRESH_EVENT;
1022
        event.user.data1 = opaque;
1023 d38c9e7a Michael Niedermayer
        if(!is->refresh){
1024
            is->refresh=1;
1025 d881a0e8 Stefano Sabatini
            SDL_PushEvent(&event);
1026 d38c9e7a Michael Niedermayer
        }
1027 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
1028 d38c9e7a Michael Niedermayer
    }
1029
    return 0;
1030 01310af2 Fabrice Bellard
}
1031
1032 638c9d91 Fabrice Bellard
/* get the current audio clock value */
1033
static double get_audio_clock(VideoState *is)
1034
{
1035
    double pts;
1036
    int hw_buf_size, bytes_per_sec;
1037
    pts = is->audio_clock;
1038
    hw_buf_size = audio_write_get_buf_size(is);
1039
    bytes_per_sec = 0;
1040
    if (is->audio_st) {
1041 115329f1 Diego Biurrun
        bytes_per_sec = is->audio_st->codec->sample_rate *
1042 01f4895c Michael Niedermayer
            2 * is->audio_st->codec->channels;
1043 638c9d91 Fabrice Bellard
    }
1044
    if (bytes_per_sec)
1045
        pts -= (double)hw_buf_size / bytes_per_sec;
1046
    return pts;
1047
}
1048
1049
/* get the current video clock value */
1050
static double get_video_clock(VideoState *is)
1051
{
1052 04108619 Michael Niedermayer
    if (is->paused) {
1053 41a4cd0c Michael Niedermayer
        return is->video_current_pts;
1054 72ea344b Fabrice Bellard
    } else {
1055 68aefbe8 Michael Niedermayer
        return is->video_current_pts_drift + av_gettime() / 1000000.0;
1056 72ea344b Fabrice Bellard
    }
1057 638c9d91 Fabrice Bellard
}
1058
1059
/* get the current external clock value */
1060
static double get_external_clock(VideoState *is)
1061
{
1062
    int64_t ti;
1063
    ti = av_gettime();
1064
    return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
1065
}
1066
1067
/* get the current master clock value */
1068
static double get_master_clock(VideoState *is)
1069
{
1070
    double val;
1071
1072 72ea344b Fabrice Bellard
    if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
1073
        if (is->video_st)
1074
            val = get_video_clock(is);
1075
        else
1076
            val = get_audio_clock(is);
1077
    } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
1078
        if (is->audio_st)
1079
            val = get_audio_clock(is);
1080
        else
1081
            val = get_video_clock(is);
1082
    } else {
1083 638c9d91 Fabrice Bellard
        val = get_external_clock(is);
1084 72ea344b Fabrice Bellard
    }
1085 638c9d91 Fabrice Bellard
    return val;
1086
}
1087
1088 72ea344b Fabrice Bellard
/* seek in the stream */
1089 2ef46053 Michael Niedermayer
static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
1090 72ea344b Fabrice Bellard
{
1091 687fae2b Ivan Wong
    if (!is->seek_req) {
1092
        is->seek_pos = pos;
1093 4ed29207 Michael Niedermayer
        is->seek_rel = rel;
1094 3890dd3a Michael Niedermayer
        is->seek_flags &= ~AVSEEK_FLAG_BYTE;
1095 94b594c6 Steve L'Homme
        if (seek_by_bytes)
1096
            is->seek_flags |= AVSEEK_FLAG_BYTE;
1097 687fae2b Ivan Wong
        is->seek_req = 1;
1098
    }
1099 72ea344b Fabrice Bellard
}
1100
1101
/* pause or resume the video */
1102
static void stream_pause(VideoState *is)
1103
{
1104 68aefbe8 Michael Niedermayer
    if (is->paused) {
1105
        is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
1106 f5668147 Michael Niedermayer
        if(is->read_pause_return != AVERROR(ENOSYS)){
1107 68aefbe8 Michael Niedermayer
            is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
1108 f5668147 Michael Niedermayer
        }
1109 68aefbe8 Michael Niedermayer
        is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
1110 72ea344b Fabrice Bellard
    }
1111 68aefbe8 Michael Niedermayer
    is->paused = !is->paused;
1112 72ea344b Fabrice Bellard
}
1113
1114 d38c9e7a Michael Niedermayer
static double compute_target_time(double frame_current_pts, VideoState *is)
1115 49410784 Tomer Barletz
{
1116 d38c9e7a Michael Niedermayer
    double delay, sync_threshold, diff;
1117 49410784 Tomer Barletz
1118
    /* compute nominal delay */
1119
    delay = frame_current_pts - is->frame_last_pts;
1120
    if (delay <= 0 || delay >= 10.0) {
1121
        /* if incorrect delay, use previous one */
1122
        delay = is->frame_last_delay;
1123 443658fd Tomer Barletz
    } else {
1124 712de377 Benoit Fouet
        is->frame_last_delay = delay;
1125 443658fd Tomer Barletz
    }
1126 49410784 Tomer Barletz
    is->frame_last_pts = frame_current_pts;
1127
1128
    /* update delay to follow master synchronisation source */
1129
    if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1130
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1131
        /* if video is slave, we try to correct big delays by
1132
           duplicating or deleting a frame */
1133 f04c6e35 Michael Niedermayer
        diff = get_video_clock(is) - get_master_clock(is);
1134 49410784 Tomer Barletz
1135
        /* skip or repeat frame. We take into account the
1136
           delay to compute the threshold. I still don't know
1137
           if it is the best guess */
1138
        sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
1139
        if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1140
            if (diff <= -sync_threshold)
1141
                delay = 0;
1142
            else if (diff >= sync_threshold)
1143
                delay = 2 * delay;
1144
        }
1145
    }
1146
    is->frame_timer += delay;
1147 eecc17a7 Tomer Barletz
#if defined(DEBUG_SYNC)
1148
    printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1149
            delay, actual_delay, frame_current_pts, -diff);
1150
#endif
1151
1152 d38c9e7a Michael Niedermayer
    return is->frame_timer;
1153 49410784 Tomer Barletz
}
1154
1155 01310af2 Fabrice Bellard
/* called to display each frame */
1156
static void video_refresh_timer(void *opaque)
1157
{
1158
    VideoState *is = opaque;
1159
    VideoPicture *vp;
1160 638c9d91 Fabrice Bellard
1161 72ce053b Ian Caulfield
    SubPicture *sp, *sp2;
1162 01310af2 Fabrice Bellard
1163
    if (is->video_st) {
1164 d38c9e7a Michael Niedermayer
retry:
1165 01310af2 Fabrice Bellard
        if (is->pictq_size == 0) {
1166 d38c9e7a Michael Niedermayer
            //nothing to do, no picture to display in the que
1167 01310af2 Fabrice Bellard
        } else {
1168 d38c9e7a Michael Niedermayer
            double time= av_gettime()/1000000.0;
1169
            double next_target;
1170 638c9d91 Fabrice Bellard
            /* dequeue the picture */
1171 01310af2 Fabrice Bellard
            vp = &is->pictq[is->pictq_rindex];
1172 638c9d91 Fabrice Bellard
1173 d38c9e7a Michael Niedermayer
            if(time < vp->target_clock)
1174
                return;
1175 638c9d91 Fabrice Bellard
            /* update current video pts */
1176
            is->video_current_pts = vp->pts;
1177 d38c9e7a Michael Niedermayer
            is->video_current_pts_drift = is->video_current_pts - time;
1178 a3cc2160 Michael Niedermayer
            is->video_current_pos = vp->pos;
1179 d38c9e7a Michael Niedermayer
            if(is->pictq_size > 1){
1180
                VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
1181
                assert(nextvp->target_clock >= vp->target_clock);
1182
                next_target= nextvp->target_clock;
1183
            }else{
1184
                next_target= vp->target_clock + is->video_clock - vp->pts; //FIXME pass durations cleanly
1185
            }
1186
            if(framedrop && time > next_target){
1187
                is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR;
1188
                if(is->pictq_size > 1 || time > next_target + 0.5){
1189
                    /* update queue size and signal for next picture */
1190
                    if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1191
                        is->pictq_rindex = 0;
1192
1193
                    SDL_LockMutex(is->pictq_mutex);
1194
                    is->pictq_size--;
1195
                    SDL_CondSignal(is->pictq_cond);
1196
                    SDL_UnlockMutex(is->pictq_mutex);
1197
                    goto retry;
1198
                }
1199
            }
1200 638c9d91 Fabrice Bellard
1201 72ce053b Ian Caulfield
            if(is->subtitle_st) {
1202
                if (is->subtitle_stream_changed) {
1203
                    SDL_LockMutex(is->subpq_mutex);
1204 115329f1 Diego Biurrun
1205 72ce053b Ian Caulfield
                    while (is->subpq_size) {
1206
                        free_subpicture(&is->subpq[is->subpq_rindex]);
1207 115329f1 Diego Biurrun
1208 72ce053b Ian Caulfield
                        /* update queue size and signal for next picture */
1209
                        if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1210
                            is->subpq_rindex = 0;
1211 115329f1 Diego Biurrun
1212 72ce053b Ian Caulfield
                        is->subpq_size--;
1213
                    }
1214
                    is->subtitle_stream_changed = 0;
1215
1216
                    SDL_CondSignal(is->subpq_cond);
1217
                    SDL_UnlockMutex(is->subpq_mutex);
1218
                } else {
1219
                    if (is->subpq_size > 0) {
1220
                        sp = &is->subpq[is->subpq_rindex];
1221
1222
                        if (is->subpq_size > 1)
1223
                            sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1224
                        else
1225
                            sp2 = NULL;
1226
1227
                        if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1228
                                || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1229
                        {
1230
                            free_subpicture(sp);
1231
1232
                            /* update queue size and signal for next picture */
1233
                            if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1234
                                is->subpq_rindex = 0;
1235
1236
                            SDL_LockMutex(is->subpq_mutex);
1237
                            is->subpq_size--;
1238
                            SDL_CondSignal(is->subpq_cond);
1239
                            SDL_UnlockMutex(is->subpq_mutex);
1240
                        }
1241
                    }
1242
                }
1243
            }
1244
1245 01310af2 Fabrice Bellard
            /* display picture */
1246 112c4b87 Stefano Sabatini
            if (!display_disable)
1247 24d13ebc Stefano Sabatini
                video_display(is);
1248 115329f1 Diego Biurrun
1249 01310af2 Fabrice Bellard
            /* update queue size and signal for next picture */
1250
            if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1251
                is->pictq_rindex = 0;
1252 115329f1 Diego Biurrun
1253 01310af2 Fabrice Bellard
            SDL_LockMutex(is->pictq_mutex);
1254
            is->pictq_size--;
1255
            SDL_CondSignal(is->pictq_cond);
1256
            SDL_UnlockMutex(is->pictq_mutex);
1257
        }
1258
    } else if (is->audio_st) {
1259
        /* draw the next audio frame */
1260
1261
        /* if only audio stream, then display the audio bars (better
1262
           than nothing, just to test the implementation */
1263 115329f1 Diego Biurrun
1264 01310af2 Fabrice Bellard
        /* display picture */
1265 112c4b87 Stefano Sabatini
        if (!display_disable)
1266 24d13ebc Stefano Sabatini
            video_display(is);
1267 01310af2 Fabrice Bellard
    }
1268
    if (show_status) {
1269
        static int64_t last_time;
1270
        int64_t cur_time;
1271 72ce053b Ian Caulfield
        int aqsize, vqsize, sqsize;
1272 638c9d91 Fabrice Bellard
        double av_diff;
1273 115329f1 Diego Biurrun
1274 01310af2 Fabrice Bellard
        cur_time = av_gettime();
1275 1e1a0b18 Baptiste Coudurier
        if (!last_time || (cur_time - last_time) >= 30000) {
1276 01310af2 Fabrice Bellard
            aqsize = 0;
1277
            vqsize = 0;
1278 72ce053b Ian Caulfield
            sqsize = 0;
1279 01310af2 Fabrice Bellard
            if (is->audio_st)
1280
                aqsize = is->audioq.size;
1281
            if (is->video_st)
1282
                vqsize = is->videoq.size;
1283 72ce053b Ian Caulfield
            if (is->subtitle_st)
1284
                sqsize = is->subtitleq.size;
1285 638c9d91 Fabrice Bellard
            av_diff = 0;
1286
            if (is->audio_st && is->video_st)
1287
                av_diff = get_audio_clock(is) - get_video_clock(is);
1288 382f3a5b Michael Niedermayer
            printf("%7.2f A-V:%7.3f s:%3.1f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64"   \r",
1289 7a8bfa5d Alexander Strange
                   get_master_clock(is), av_diff, FFMAX(is->skip_frames-1, 0), aqsize / 1024, vqsize / 1024, sqsize, is->pts_ctx.num_faulty_dts, is->pts_ctx.num_faulty_pts);
1290 01310af2 Fabrice Bellard
            fflush(stdout);
1291
            last_time = cur_time;
1292
        }
1293
    }
1294
}
1295
1296 f7b8c814 Mike Scheutzow
static void stream_close(VideoState *is)
1297
{
1298
    VideoPicture *vp;
1299
    int i;
1300
    /* XXX: use a special url_shutdown call to abort parse cleanly */
1301
    is->abort_request = 1;
1302
    SDL_WaitThread(is->parse_tid, NULL);
1303
    SDL_WaitThread(is->refresh_tid, NULL);
1304
1305
    /* free all pictures */
1306
    for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
1307
        vp = &is->pictq[i];
1308
#if CONFIG_AVFILTER
1309
        if (vp->picref) {
1310
            avfilter_unref_buffer(vp->picref);
1311
            vp->picref = NULL;
1312
        }
1313
#endif
1314
        if (vp->bmp) {
1315
            SDL_FreeYUVOverlay(vp->bmp);
1316
            vp->bmp = NULL;
1317
        }
1318
    }
1319
    SDL_DestroyMutex(is->pictq_mutex);
1320
    SDL_DestroyCond(is->pictq_cond);
1321
    SDL_DestroyMutex(is->subpq_mutex);
1322
    SDL_DestroyCond(is->subpq_cond);
1323
#if !CONFIG_AVFILTER
1324
    if (is->img_convert_ctx)
1325
        sws_freeContext(is->img_convert_ctx);
1326
#endif
1327
    av_free(is);
1328
}
1329
1330
static void do_exit(void)
1331
{
1332
    if (cur_stream) {
1333
        stream_close(cur_stream);
1334
        cur_stream = NULL;
1335
    }
1336 a5c33faa Reimar Döffinger
    uninit_opts();
1337 f7b8c814 Mike Scheutzow
#if CONFIG_AVFILTER
1338
    avfilter_uninit();
1339
#endif
1340
    if (show_status)
1341
        printf("\n");
1342
    SDL_Quit();
1343 6b6bca64 Michael Niedermayer
    av_log(NULL, AV_LOG_QUIET, "");
1344 f7b8c814 Mike Scheutzow
    exit(0);
1345
}
1346
1347 01310af2 Fabrice Bellard
/* allocate a picture (needs to do that in main thread to avoid
1348
   potential locking problems */
1349
static void alloc_picture(void *opaque)
1350
{
1351
    VideoState *is = opaque;
1352
    VideoPicture *vp;
1353
1354
    vp = &is->pictq[is->pictq_windex];
1355
1356
    if (vp->bmp)
1357
        SDL_FreeYUVOverlay(vp->bmp);
1358
1359 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1360
    if (vp->picref)
1361 7fce481a S.N. Hemanth Meenakshisundaram
        avfilter_unref_buffer(vp->picref);
1362 917d2bb3 Michael Niedermayer
    vp->picref = NULL;
1363
1364
    vp->width   = is->out_video_filter->inputs[0]->w;
1365
    vp->height  = is->out_video_filter->inputs[0]->h;
1366
    vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1367
#else
1368
    vp->width   = is->video_st->codec->width;
1369
    vp->height  = is->video_st->codec->height;
1370
    vp->pix_fmt = is->video_st->codec->pix_fmt;
1371
#endif
1372
1373
    vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
1374 115329f1 Diego Biurrun
                                   SDL_YV12_OVERLAY,
1375 61890b02 Fabrice Bellard
                                   screen);
1376 cb036f90 Mike Scheutzow
    if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
1377
        /* SDL allocates a buffer smaller than requested if the video
1378
         * overlay hardware is unable to support the requested size. */
1379
        fprintf(stderr, "Error: the video system does not support an image\n"
1380 aa78a6d6 Carl Eugen Hoyos
                        "size of %dx%d pixels. Try using -lowres or -vf \"scale=w:h\"\n"
1381 cb036f90 Mike Scheutzow
                        "to reduce the image size.\n", vp->width, vp->height );
1382
        do_exit();
1383
    }
1384 01310af2 Fabrice Bellard
1385
    SDL_LockMutex(is->pictq_mutex);
1386
    vp->allocated = 1;
1387
    SDL_CondSignal(is->pictq_cond);
1388
    SDL_UnlockMutex(is->pictq_mutex);
1389
}
1390
1391 267e9dfa Michael Niedermayer
/**
1392
 *
1393
 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1394
 */
1395 1a620dd7 Michael Niedermayer
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
1396 01310af2 Fabrice Bellard
{
1397
    VideoPicture *vp;
1398
    int dst_pix_fmt;
1399 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1400
    AVPicture pict_src;
1401
#endif
1402 01310af2 Fabrice Bellard
    /* wait until we have space to put a new picture */
1403
    SDL_LockMutex(is->pictq_mutex);
1404 d38c9e7a Michael Niedermayer
1405
    if(is->pictq_size>=VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
1406
        is->skip_frames= FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0-FRAME_SKIP_FACTOR));
1407
1408 01310af2 Fabrice Bellard
    while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1409
           !is->videoq.abort_request) {
1410
        SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1411
    }
1412
    SDL_UnlockMutex(is->pictq_mutex);
1413 115329f1 Diego Biurrun
1414 01310af2 Fabrice Bellard
    if (is->videoq.abort_request)
1415
        return -1;
1416
1417
    vp = &is->pictq[is->pictq_windex];
1418
1419
    /* alloc or resize hardware picture buffer */
1420 115329f1 Diego Biurrun
    if (!vp->bmp ||
1421 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1422
        vp->width  != is->out_video_filter->inputs[0]->w ||
1423
        vp->height != is->out_video_filter->inputs[0]->h) {
1424
#else
1425 01f4895c Michael Niedermayer
        vp->width != is->video_st->codec->width ||
1426
        vp->height != is->video_st->codec->height) {
1427 917d2bb3 Michael Niedermayer
#endif
1428 01310af2 Fabrice Bellard
        SDL_Event event;
1429
1430
        vp->allocated = 0;
1431
1432
        /* the allocation must be done in the main thread to avoid
1433
           locking problems */
1434
        event.type = FF_ALLOC_EVENT;
1435
        event.user.data1 = is;
1436
        SDL_PushEvent(&event);
1437 115329f1 Diego Biurrun
1438 01310af2 Fabrice Bellard
        /* wait until the picture is allocated */
1439
        SDL_LockMutex(is->pictq_mutex);
1440
        while (!vp->allocated && !is->videoq.abort_request) {
1441
            SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1442
        }
1443
        SDL_UnlockMutex(is->pictq_mutex);
1444
1445
        if (is->videoq.abort_request)
1446
            return -1;
1447
    }
1448
1449 638c9d91 Fabrice Bellard
    /* if the frame is not skipped, then display it */
1450 01310af2 Fabrice Bellard
    if (vp->bmp) {
1451 fbf1b885 avcoder
        AVPicture pict;
1452 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1453
        if(vp->picref)
1454 7fce481a S.N. Hemanth Meenakshisundaram
            avfilter_unref_buffer(vp->picref);
1455 917d2bb3 Michael Niedermayer
        vp->picref = src_frame->opaque;
1456
#endif
1457 fbf1b885 avcoder
1458 01310af2 Fabrice Bellard
        /* get a pointer on the bitmap */
1459
        SDL_LockYUVOverlay (vp->bmp);
1460
1461
        dst_pix_fmt = PIX_FMT_YUV420P;
1462 fbf1b885 avcoder
        memset(&pict,0,sizeof(AVPicture));
1463 01310af2 Fabrice Bellard
        pict.data[0] = vp->bmp->pixels[0];
1464
        pict.data[1] = vp->bmp->pixels[2];
1465
        pict.data[2] = vp->bmp->pixels[1];
1466
1467
        pict.linesize[0] = vp->bmp->pitches[0];
1468
        pict.linesize[1] = vp->bmp->pitches[2];
1469
        pict.linesize[2] = vp->bmp->pitches[1];
1470 917d2bb3 Michael Niedermayer
1471
#if CONFIG_AVFILTER
1472
        pict_src.data[0] = src_frame->data[0];
1473
        pict_src.data[1] = src_frame->data[1];
1474
        pict_src.data[2] = src_frame->data[2];
1475
1476
        pict_src.linesize[0] = src_frame->linesize[0];
1477
        pict_src.linesize[1] = src_frame->linesize[1];
1478
        pict_src.linesize[2] = src_frame->linesize[2];
1479
1480
        //FIXME use direct rendering
1481
        av_picture_copy(&pict, &pict_src,
1482
                        vp->pix_fmt, vp->width, vp->height);
1483
#else
1484 e43d7a18 Michael Niedermayer
        sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1485 3ac56e28 Martin Storsjö
        is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
1486 917d2bb3 Michael Niedermayer
            vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
1487 feb7bc67 Alex Beregszaszi
            dst_pix_fmt, sws_flags, NULL, NULL, NULL);
1488 3ac56e28 Martin Storsjö
        if (is->img_convert_ctx == NULL) {
1489 26ba8235 Alex Beregszaszi
            fprintf(stderr, "Cannot initialize the conversion context\n");
1490
            exit(1);
1491
        }
1492 3ac56e28 Martin Storsjö
        sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
1493 917d2bb3 Michael Niedermayer
                  0, vp->height, pict.data, pict.linesize);
1494
#endif
1495 01310af2 Fabrice Bellard
        /* update the bitmap content */
1496
        SDL_UnlockYUVOverlay(vp->bmp);
1497
1498 638c9d91 Fabrice Bellard
        vp->pts = pts;
1499 1a620dd7 Michael Niedermayer
        vp->pos = pos;
1500 01310af2 Fabrice Bellard
1501
        /* now we can update the picture count */
1502
        if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1503
            is->pictq_windex = 0;
1504
        SDL_LockMutex(is->pictq_mutex);
1505 d38c9e7a Michael Niedermayer
        vp->target_clock= compute_target_time(vp->pts, is);
1506
1507 01310af2 Fabrice Bellard
        is->pictq_size++;
1508
        SDL_UnlockMutex(is->pictq_mutex);
1509
    }
1510 638c9d91 Fabrice Bellard
    return 0;
1511
}
1512
1513 115329f1 Diego Biurrun
/**
1514
 * compute the exact PTS for the picture if it is omitted in the stream
1515 267e9dfa Michael Niedermayer
 * @param pts1 the dts of the pkt / pts of the frame
1516
 */
1517 1a620dd7 Michael Niedermayer
static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
1518 638c9d91 Fabrice Bellard
{
1519
    double frame_delay, pts;
1520 115329f1 Diego Biurrun
1521 638c9d91 Fabrice Bellard
    pts = pts1;
1522
1523 01310af2 Fabrice Bellard
    if (pts != 0) {
1524 638c9d91 Fabrice Bellard
        /* update video clock with pts, if present */
1525 01310af2 Fabrice Bellard
        is->video_clock = pts;
1526
    } else {
1527 72ea344b Fabrice Bellard
        pts = is->video_clock;
1528
    }
1529
    /* update video clock for next frame */
1530 01f4895c Michael Niedermayer
    frame_delay = av_q2d(is->video_st->codec->time_base);
1531 72ea344b Fabrice Bellard
    /* for MPEG2, the frame can be repeated, so we update the
1532
       clock accordingly */
1533 267e9dfa Michael Niedermayer
    frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
1534 72ea344b Fabrice Bellard
    is->video_clock += frame_delay;
1535 638c9d91 Fabrice Bellard
1536
#if defined(DEBUG_SYNC) && 0
1537 ff358eca Stefano Sabatini
    printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1538
           av_get_pict_type_char(src_frame->pict_type), pts, pts1);
1539 638c9d91 Fabrice Bellard
#endif
1540 1a620dd7 Michael Niedermayer
    return queue_picture(is, src_frame, pts, pos);
1541 01310af2 Fabrice Bellard
}
1542
1543 3966a574 Michael Niedermayer
static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
1544 01310af2 Fabrice Bellard
{
1545 6c7d3ead Michael Niedermayer
    int len1, got_picture, i;
1546 01310af2 Fabrice Bellard
1547 199c18a7 Stefano Sabatini
    if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1548
        return -1;
1549 6c7d3ead Michael Niedermayer
1550 199c18a7 Stefano Sabatini
    if (pkt->data == flush_pkt.data) {
1551
        avcodec_flush_buffers(is->video_st->codec);
1552 6c7d3ead Michael Niedermayer
1553 199c18a7 Stefano Sabatini
        SDL_LockMutex(is->pictq_mutex);
1554
        //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1555
        for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
1556
            is->pictq[i].target_clock= 0;
1557
        }
1558
        while (is->pictq_size && !is->videoq.abort_request) {
1559
            SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1560 39c6a118 Michael Niedermayer
        }
1561 199c18a7 Stefano Sabatini
        is->video_current_pos = -1;
1562
        SDL_UnlockMutex(is->pictq_mutex);
1563 39c6a118 Michael Niedermayer
1564 199c18a7 Stefano Sabatini
        init_pts_correction(&is->pts_ctx);
1565
        is->frame_last_pts = AV_NOPTS_VALUE;
1566
        is->frame_last_delay = 0;
1567
        is->frame_timer = (double)av_gettime() / 1000000.0;
1568
        is->skip_frames = 1;
1569
        is->skip_frames_index = 0;
1570
        return 0;
1571
    }
1572 7a8bfa5d Alexander Strange
1573 199c18a7 Stefano Sabatini
    len1 = avcodec_decode_video2(is->video_st->codec,
1574
                                 frame, &got_picture,
1575
                                 pkt);
1576
1577
    if (got_picture) {
1578
        if (decoder_reorder_pts == -1) {
1579 28550804 Stefano Sabatini
            *pts = guess_correct_pts(&is->pts_ctx, frame->pkt_pts, pkt->dts);
1580 199c18a7 Stefano Sabatini
        } else if (decoder_reorder_pts) {
1581 28550804 Stefano Sabatini
            *pts = frame->pkt_pts;
1582 199c18a7 Stefano Sabatini
        } else {
1583
            *pts = pkt->dts;
1584
        }
1585
1586
        if (*pts == AV_NOPTS_VALUE) {
1587
            *pts = 0;
1588 99e0b12b Michael Niedermayer
        }
1589 41db429d Michael Niedermayer
1590 d38c9e7a Michael Niedermayer
        is->skip_frames_index += 1;
1591
        if(is->skip_frames_index >= is->skip_frames){
1592
            is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
1593
            return 1;
1594
        }
1595
1596
    }
1597 917d2bb3 Michael Niedermayer
    return 0;
1598
}
1599
1600
#if CONFIG_AVFILTER
1601
typedef struct {
1602
    VideoState *is;
1603
    AVFrame *frame;
1604 dd0c789b Bobby Bingham
    int use_dr1;
1605 917d2bb3 Michael Niedermayer
} FilterPriv;
1606
1607 dd0c789b Bobby Bingham
static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
1608
{
1609
    AVFilterContext *ctx = codec->opaque;
1610 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef  *ref;
1611 dd0c789b Bobby Bingham
    int perms = AV_PERM_WRITE;
1612 65929418 François Revol
    int i, w, h, stride[4];
1613 dd0c789b Bobby Bingham
    unsigned edge;
1614
1615 0ccabeea Michael Niedermayer
    if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
1616
        perms |= AV_PERM_NEG_LINESIZES;
1617
1618 dd0c789b Bobby Bingham
    if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
1619
        if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
1620
        if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
1621
        if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
1622
    }
1623
    if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
1624
1625
    w = codec->width;
1626
    h = codec->height;
1627
    avcodec_align_dimensions2(codec, &w, &h, stride);
1628
    edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
1629
    w += edge << 1;
1630
    h += edge << 1;
1631
1632
    if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
1633
        return -1;
1634
1635 cc80caff S.N. Hemanth Meenakshisundaram
    ref->video->w = codec->width;
1636
    ref->video->h = codec->height;
1637 cfb7e6e6 Jai Menon
    for(i = 0; i < 4; i ++) {
1638 d54e0948 S.N. Hemanth Meenakshisundaram
        unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
1639
        unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
1640 dd0c789b Bobby Bingham
1641 3635c07b Jai Menon
        if (ref->data[i]) {
1642 e53ca636 Jai Menon
            ref->data[i]    += (edge >> hshift) + ((edge * ref->linesize[i]) >> vshift);
1643 3635c07b Jai Menon
        }
1644 dd0c789b Bobby Bingham
        pic->data[i]     = ref->data[i];
1645
        pic->linesize[i] = ref->linesize[i];
1646
    }
1647
    pic->opaque = ref;
1648
    pic->age    = INT_MAX;
1649
    pic->type   = FF_BUFFER_TYPE_USER;
1650 867ab7fb Michael Niedermayer
    pic->reordered_opaque = codec->reordered_opaque;
1651 393cbb96 Michael Niedermayer
    if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1652
    else           pic->pkt_pts = AV_NOPTS_VALUE;
1653 dd0c789b Bobby Bingham
    return 0;
1654
}
1655
1656
static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
1657
{
1658
    memset(pic->data, 0, sizeof(pic->data));
1659 7fce481a S.N. Hemanth Meenakshisundaram
    avfilter_unref_buffer(pic->opaque);
1660 dd0c789b Bobby Bingham
}
1661
1662 12bd3c1f Jai Menon
static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
1663
{
1664 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *ref = pic->opaque;
1665 12bd3c1f Jai Menon
1666
    if (pic->data[0] == NULL) {
1667
        pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
1668
        return codec->get_buffer(codec, pic);
1669
    }
1670
1671 cc80caff S.N. Hemanth Meenakshisundaram
    if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
1672 d54e0948 S.N. Hemanth Meenakshisundaram
        (codec->pix_fmt != ref->format)) {
1673 12bd3c1f Jai Menon
        av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
1674
        return -1;
1675
    }
1676
1677
    pic->reordered_opaque = codec->reordered_opaque;
1678 393cbb96 Michael Niedermayer
    if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1679
    else           pic->pkt_pts = AV_NOPTS_VALUE;
1680 12bd3c1f Jai Menon
    return 0;
1681
}
1682
1683 917d2bb3 Michael Niedermayer
static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1684
{
1685
    FilterPriv *priv = ctx->priv;
1686 dd0c789b Bobby Bingham
    AVCodecContext *codec;
1687 917d2bb3 Michael Niedermayer
    if(!opaque) return -1;
1688
1689
    priv->is = opaque;
1690 dd0c789b Bobby Bingham
    codec    = priv->is->video_st->codec;
1691
    codec->opaque = ctx;
1692
    if(codec->codec->capabilities & CODEC_CAP_DR1) {
1693
        priv->use_dr1 = 1;
1694
        codec->get_buffer     = input_get_buffer;
1695
        codec->release_buffer = input_release_buffer;
1696 12bd3c1f Jai Menon
        codec->reget_buffer   = input_reget_buffer;
1697 dd0c789b Bobby Bingham
    }
1698
1699 917d2bb3 Michael Niedermayer
    priv->frame = avcodec_alloc_frame();
1700
1701
    return 0;
1702
}
1703
1704
static void input_uninit(AVFilterContext *ctx)
1705
{
1706
    FilterPriv *priv = ctx->priv;
1707
    av_free(priv->frame);
1708
}
1709
1710
static int input_request_frame(AVFilterLink *link)
1711
{
1712
    FilterPriv *priv = link->src->priv;
1713 ecc8dada S.N. Hemanth Meenakshisundaram
    AVFilterBufferRef *picref;
1714 3966a574 Michael Niedermayer
    int64_t pts = 0;
1715 917d2bb3 Michael Niedermayer
    AVPacket pkt;
1716
    int ret;
1717
1718
    while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1719
        av_free_packet(&pkt);
1720
    if (ret < 0)
1721
        return -1;
1722
1723 dd0c789b Bobby Bingham
    if(priv->use_dr1) {
1724 7fce481a S.N. Hemanth Meenakshisundaram
        picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
1725 dd0c789b Bobby Bingham
    } else {
1726 cf097cbc Bobby Bingham
        picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
1727 34017fd9 Stefano Sabatini
        av_image_copy(picref->data, picref->linesize,
1728 4afbcf46 Stefano Sabatini
                      priv->frame->data, priv->frame->linesize,
1729
                      picref->format, link->w, link->h);
1730 dd0c789b Bobby Bingham
    }
1731 917d2bb3 Michael Niedermayer
    av_free_packet(&pkt);
1732
1733
    picref->pts = pts;
1734 bb409513 Stefano Sabatini
    picref->pos = pkt.pos;
1735 cc80caff S.N. Hemanth Meenakshisundaram
    picref->video->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
1736 c41c5b02 Bobby Bingham
    avfilter_start_frame(link, picref);
1737 917d2bb3 Michael Niedermayer
    avfilter_draw_slice(link, 0, link->h, 1);
1738
    avfilter_end_frame(link);
1739
1740
    return 0;
1741
}
1742
1743
static int input_query_formats(AVFilterContext *ctx)
1744
{
1745
    FilterPriv *priv = ctx->priv;
1746
    enum PixelFormat pix_fmts[] = {
1747
        priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1748
    };
1749
1750
    avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1751
    return 0;
1752
}
1753
1754
static int input_config_props(AVFilterLink *link)
1755
{
1756
    FilterPriv *priv  = link->src->priv;
1757
    AVCodecContext *c = priv->is->video_st->codec;
1758
1759
    link->w = c->width;
1760
    link->h = c->height;
1761 387b4ac9 Stefano Sabatini
    link->time_base = priv->is->video_st->time_base;
1762 917d2bb3 Michael Niedermayer
1763
    return 0;
1764
}
1765
1766
static AVFilter input_filter =
1767
{
1768
    .name      = "ffplay_input",
1769
1770
    .priv_size = sizeof(FilterPriv),
1771
1772
    .init      = input_init,
1773
    .uninit    = input_uninit,
1774
1775
    .query_formats = input_query_formats,
1776
1777
    .inputs    = (AVFilterPad[]) {{ .name = NULL }},
1778
    .outputs   = (AVFilterPad[]) {{ .name = "default",
1779 72415b2a Stefano Sabatini
                                    .type = AVMEDIA_TYPE_VIDEO,
1780 917d2bb3 Michael Niedermayer
                                    .request_frame = input_request_frame,
1781
                                    .config_props  = input_config_props, },
1782
                                  { .name = NULL }},
1783
};
1784
1785 75ea596d Stefano Sabatini
static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters)
1786 917d2bb3 Michael Niedermayer
{
1787 3f073fa2 Stefano Sabatini
    char sws_flags_str[128];
1788 75ea596d Stefano Sabatini
    int ret;
1789 f7ead94c Stefano Sabatini
    FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
1790 917d2bb3 Michael Niedermayer
    AVFilterContext *filt_src = NULL, *filt_out = NULL;
1791 3f073fa2 Stefano Sabatini
    snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
1792
    graph->scale_sws_opts = av_strdup(sws_flags_str);
1793 917d2bb3 Michael Niedermayer
1794 75ea596d Stefano Sabatini
    if ((ret = avfilter_graph_create_filter(&filt_src, &input_filter, "src",
1795
                                            NULL, is, graph)) < 0)
1796 037be76e Stefano Sabatini
        goto the_end;
1797 75ea596d Stefano Sabatini
    if ((ret = avfilter_graph_create_filter(&filt_out, &ffsink, "out",
1798
                                            NULL, &ffsink_ctx, graph)) < 0)
1799 037be76e Stefano Sabatini
        goto the_end;
1800 917d2bb3 Michael Niedermayer
1801
    if(vfilters) {
1802
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1803
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
1804
1805
        outputs->name    = av_strdup("in");
1806 7313132b Stefano Sabatini
        outputs->filter_ctx = filt_src;
1807 917d2bb3 Michael Niedermayer
        outputs->pad_idx = 0;
1808
        outputs->next    = NULL;
1809
1810
        inputs->name    = av_strdup("out");
1811 7313132b Stefano Sabatini
        inputs->filter_ctx = filt_out;
1812 917d2bb3 Michael Niedermayer
        inputs->pad_idx = 0;
1813
        inputs->next    = NULL;
1814
1815 75ea596d Stefano Sabatini
        if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
1816 917d2bb3 Michael Niedermayer
            goto the_end;
1817
        av_freep(&vfilters);
1818
    } else {
1819 75ea596d Stefano Sabatini
        if ((ret = avfilter_link(filt_src, 0, filt_out, 0)) < 0)
1820
            goto the_end;
1821 917d2bb3 Michael Niedermayer
    }
1822
1823 75ea596d Stefano Sabatini
    if ((ret = avfilter_graph_config(graph, NULL)) < 0)
1824 2a24df93 Stefano Sabatini
        goto the_end;
1825 917d2bb3 Michael Niedermayer
1826
    is->out_video_filter = filt_out;
1827 75ea596d Stefano Sabatini
the_end:
1828
    return ret;
1829
}
1830
1831
#endif  /* CONFIG_AVFILTER */
1832
1833
static int video_thread(void *arg)
1834
{
1835
    VideoState *is = arg;
1836
    AVFrame *frame= avcodec_alloc_frame();
1837
    int64_t pts_int;
1838
    double pts;
1839
    int ret;
1840
1841
#if CONFIG_AVFILTER
1842
    AVFilterGraph *graph = avfilter_graph_alloc();
1843
    AVFilterContext *filt_out = NULL;
1844
    int64_t pos;
1845
1846
    if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
1847
        goto the_end;
1848
    filt_out = is->out_video_filter;
1849 917d2bb3 Michael Niedermayer
#endif
1850
1851
    for(;;) {
1852
#if !CONFIG_AVFILTER
1853
        AVPacket pkt;
1854 387b4ac9 Stefano Sabatini
#else
1855 ff0652e5 Stefano Sabatini
        AVFilterBufferRef *picref;
1856 387b4ac9 Stefano Sabatini
        AVRational tb;
1857 917d2bb3 Michael Niedermayer
#endif
1858
        while (is->paused && !is->videoq.abort_request)
1859
            SDL_Delay(10);
1860
#if CONFIG_AVFILTER
1861 ff0652e5 Stefano Sabatini
        ret = get_filtered_video_frame(filt_out, frame, &picref, &tb);
1862
        if (picref) {
1863
            pts_int = picref->pts;
1864
            pos     = picref->pos;
1865
            frame->opaque = picref;
1866
        }
1867 387b4ac9 Stefano Sabatini
1868
        if (av_cmp_q(tb, is->video_st->time_base)) {
1869 13156f40 Stefano Sabatini
            av_unused int64_t pts1 = pts_int;
1870 387b4ac9 Stefano Sabatini
            pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1871 13156f40 Stefano Sabatini
            av_dlog(NULL, "video_thread(): "
1872
                    "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1873
                    tb.num, tb.den, pts1,
1874
                    is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1875 387b4ac9 Stefano Sabatini
        }
1876 917d2bb3 Michael Niedermayer
#else
1877
        ret = get_video_frame(is, frame, &pts_int, &pkt);
1878
#endif
1879
1880
        if (ret < 0) goto the_end;
1881
1882
        if (!ret)
1883
            continue;
1884
1885 3966a574 Michael Niedermayer
        pts = pts_int*av_q2d(is->video_st->time_base);
1886 917d2bb3 Michael Niedermayer
1887
#if CONFIG_AVFILTER
1888 bb409513 Stefano Sabatini
        ret = output_picture2(is, frame, pts, pos);
1889 917d2bb3 Michael Niedermayer
#else
1890 fca62599 Michael Niedermayer
        ret = output_picture2(is, frame, pts,  pkt.pos);
1891 917d2bb3 Michael Niedermayer
        av_free_packet(&pkt);
1892
#endif
1893
        if (ret < 0)
1894
            goto the_end;
1895
1896 115329f1 Diego Biurrun
        if (step)
1897 bba04f1e Wolfgang Hesseler
            if (cur_stream)
1898
                stream_pause(cur_stream);
1899 01310af2 Fabrice Bellard
    }
1900
 the_end:
1901 917d2bb3 Michael Niedermayer
#if CONFIG_AVFILTER
1902 4359288c Stefano Sabatini
    avfilter_graph_free(&graph);
1903 917d2bb3 Michael Niedermayer
#endif
1904 c6b1edc9 Michael Niedermayer
    av_free(frame);
1905 01310af2 Fabrice Bellard
    return 0;
1906
}
1907
1908 72ce053b Ian Caulfield
static int subtitle_thread(void *arg)
1909
{
1910
    VideoState *is = arg;
1911
    SubPicture *sp;
1912
    AVPacket pkt1, *pkt = &pkt1;
1913
    int len1, got_subtitle;
1914
    double pts;
1915
    int i, j;
1916
    int r, g, b, y, u, v, a;
1917
1918
    for(;;) {
1919
        while (is->paused && !is->subtitleq.abort_request) {
1920
            SDL_Delay(10);
1921
        }
1922
        if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1923
            break;
1924 115329f1 Diego Biurrun
1925 39c6a118 Michael Niedermayer
        if(pkt->data == flush_pkt.data){
1926
            avcodec_flush_buffers(is->subtitle_st->codec);
1927
            continue;
1928
        }
1929 72ce053b Ian Caulfield
        SDL_LockMutex(is->subpq_mutex);
1930
        while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1931
               !is->subtitleq.abort_request) {
1932
            SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1933
        }
1934
        SDL_UnlockMutex(is->subpq_mutex);
1935 115329f1 Diego Biurrun
1936 72ce053b Ian Caulfield
        if (is->subtitleq.abort_request)
1937
            goto the_end;
1938 115329f1 Diego Biurrun
1939 72ce053b Ian Caulfield
        sp = &is->subpq[is->subpq_windex];
1940
1941
       /* NOTE: ipts is the PTS of the _first_ picture beginning in
1942
           this packet, if any */
1943
        pts = 0;
1944
        if (pkt->pts != AV_NOPTS_VALUE)
1945
            pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1946
1947 bea18375 Thilo Borgmann
        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
1948 115329f1 Diego Biurrun
                                    &sp->sub, &got_subtitle,
1949 bea18375 Thilo Borgmann
                                    pkt);
1950 72ce053b Ian Caulfield
//            if (len1 < 0)
1951
//                break;
1952
        if (got_subtitle && sp->sub.format == 0) {
1953
            sp->pts = pts;
1954 115329f1 Diego Biurrun
1955 72ce053b Ian Caulfield
            for (i = 0; i < sp->sub.num_rects; i++)
1956
            {
1957 db4fac64 Michael Niedermayer
                for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1958 72ce053b Ian Caulfield
                {
1959 25b4c651 Michael Niedermayer
                    RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1960 72ce053b Ian Caulfield
                    y = RGB_TO_Y_CCIR(r, g, b);
1961
                    u = RGB_TO_U_CCIR(r, g, b, 0);
1962
                    v = RGB_TO_V_CCIR(r, g, b, 0);
1963 25b4c651 Michael Niedermayer
                    YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1964 72ce053b Ian Caulfield
                }
1965
            }
1966
1967
            /* now we can update the picture count */
1968
            if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1969
                is->subpq_windex = 0;
1970
            SDL_LockMutex(is->subpq_mutex);
1971
            is->subpq_size++;
1972
            SDL_UnlockMutex(is->subpq_mutex);
1973
        }
1974
        av_free_packet(pkt);
1975 115329f1 Diego Biurrun
//        if (step)
1976 72ce053b Ian Caulfield
//            if (cur_stream)
1977
//                stream_pause(cur_stream);
1978
    }
1979
 the_end:
1980
    return 0;
1981
}
1982
1983 01310af2 Fabrice Bellard
/* copy samples for viewing in editor window */
1984
static void update_sample_display(VideoState *is, short *samples, int samples_size)
1985
{
1986
    int size, len, channels;
1987
1988 01f4895c Michael Niedermayer
    channels = is->audio_st->codec->channels;
1989 01310af2 Fabrice Bellard
1990
    size = samples_size / sizeof(short);
1991
    while (size > 0) {
1992
        len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1993
        if (len > size)
1994
            len = size;
1995
        memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1996
        samples += len;
1997
        is->sample_array_index += len;
1998
        if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1999
            is->sample_array_index = 0;
2000
        size -= len;
2001
    }
2002
}
2003
2004
/* return the new audio buffer size (samples can be added or deleted
2005
   to get better sync if video or external master clock) */
2006 115329f1 Diego Biurrun
static int synchronize_audio(VideoState *is, short *samples,
2007 638c9d91 Fabrice Bellard
                             int samples_size1, double pts)
2008 01310af2 Fabrice Bellard
{
2009 638c9d91 Fabrice Bellard
    int n, samples_size;
2010 01310af2 Fabrice Bellard
    double ref_clock;
2011 115329f1 Diego Biurrun
2012 01f4895c Michael Niedermayer
    n = 2 * is->audio_st->codec->channels;
2013 638c9d91 Fabrice Bellard
    samples_size = samples_size1;
2014 01310af2 Fabrice Bellard
2015
    /* if not master, then we try to remove or add samples to correct the clock */
2016
    if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
2017 638c9d91 Fabrice Bellard
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
2018
        double diff, avg_diff;
2019 01310af2 Fabrice Bellard
        int wanted_size, min_size, max_size, nb_samples;
2020 115329f1 Diego Biurrun
2021 638c9d91 Fabrice Bellard
        ref_clock = get_master_clock(is);
2022
        diff = get_audio_clock(is) - ref_clock;
2023 115329f1 Diego Biurrun
2024 638c9d91 Fabrice Bellard
        if (diff < AV_NOSYNC_THRESHOLD) {
2025
            is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
2026
            if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
2027
                /* not enough measures to have a correct estimate */
2028
                is->audio_diff_avg_count++;
2029
            } else {
2030
                /* estimate the A-V difference */
2031
                avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
2032
2033
                if (fabs(avg_diff) >= is->audio_diff_threshold) {
2034 01f4895c Michael Niedermayer
                    wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
2035 638c9d91 Fabrice Bellard
                    nb_samples = samples_size / n;
2036 115329f1 Diego Biurrun
2037 638c9d91 Fabrice Bellard
                    min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2038
                    max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2039
                    if (wanted_size < min_size)
2040
                        wanted_size = min_size;
2041
                    else if (wanted_size > max_size)
2042
                        wanted_size = max_size;
2043 115329f1 Diego Biurrun
2044 638c9d91 Fabrice Bellard
                    /* add or remove samples to correction the synchro */
2045
                    if (wanted_size < samples_size) {
2046
                        /* remove samples */
2047
                        samples_size = wanted_size;
2048
                    } else if (wanted_size > samples_size) {
2049
                        uint8_t *samples_end, *q;
2050
                        int nb;
2051 115329f1 Diego Biurrun
2052 638c9d91 Fabrice Bellard
                        /* add samples */
2053
                        nb = (samples_size - wanted_size);
2054
                        samples_end = (uint8_t *)samples + samples_size - n;
2055
                        q = samples_end + n;
2056
                        while (nb > 0) {
2057
                            memcpy(q, samples_end, n);
2058
                            q += n;
2059
                            nb -= n;
2060
                        }
2061
                        samples_size = wanted_size;
2062
                    }
2063
                }
2064
#if 0
2065 115329f1 Diego Biurrun
                printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
2066
                       diff, avg_diff, samples_size - samples_size1,
2067 638c9d91 Fabrice Bellard
                       is->audio_clock, is->video_clock, is->audio_diff_threshold);
2068
#endif
2069 01310af2 Fabrice Bellard
            }
2070 638c9d91 Fabrice Bellard
        } else {
2071
            /* too big difference : may be initial PTS errors, so
2072
               reset A-V filter */
2073
            is->audio_diff_avg_count = 0;
2074
            is->audio_diff_cum = 0;
2075 01310af2 Fabrice Bellard
        }
2076
    }
2077
2078
    return samples_size;
2079
}
2080
2081
/* decode one audio frame and returns its uncompressed size */
2082 5a4476e2 Peter Ross
static int audio_decode_frame(VideoState *is, double *pts_ptr)
2083 01310af2 Fabrice Bellard
{
2084 bea18375 Thilo Borgmann
    AVPacket *pkt_temp = &is->audio_pkt_temp;
2085 01310af2 Fabrice Bellard
    AVPacket *pkt = &is->audio_pkt;
2086 abdff646 Peter Ross
    AVCodecContext *dec= is->audio_st->codec;
2087 72ea344b Fabrice Bellard
    int n, len1, data_size;
2088 01310af2 Fabrice Bellard
    double pts;
2089
2090
    for(;;) {
2091 72ea344b Fabrice Bellard
        /* NOTE: the audio packet can contain several frames */
2092 bea18375 Thilo Borgmann
        while (pkt_temp->size > 0) {
2093 5a4476e2 Peter Ross
            data_size = sizeof(is->audio_buf1);
2094 bea18375 Thilo Borgmann
            len1 = avcodec_decode_audio3(dec,
2095 5a4476e2 Peter Ross
                                        (int16_t *)is->audio_buf1, &data_size,
2096 bea18375 Thilo Borgmann
                                        pkt_temp);
2097 72ea344b Fabrice Bellard
            if (len1 < 0) {
2098
                /* if error, we skip the frame */
2099 bea18375 Thilo Borgmann
                pkt_temp->size = 0;
2100 01310af2 Fabrice Bellard
                break;
2101 72ea344b Fabrice Bellard
            }
2102 115329f1 Diego Biurrun
2103 bea18375 Thilo Borgmann
            pkt_temp->data += len1;
2104
            pkt_temp->size -= len1;
2105 72ea344b Fabrice Bellard
            if (data_size <= 0)
2106
                continue;
2107 5a4476e2 Peter Ross
2108
            if (dec->sample_fmt != is->audio_src_fmt) {
2109
                if (is->reformat_ctx)
2110
                    av_audio_convert_free(is->reformat_ctx);
2111 5d6e4c16 Stefano Sabatini
                is->reformat_ctx= av_audio_convert_alloc(AV_SAMPLE_FMT_S16, 1,
2112 5a4476e2 Peter Ross
                                                         dec->sample_fmt, 1, NULL, 0);
2113
                if (!is->reformat_ctx) {
2114
                    fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
2115 ba7d6e79 Stefano Sabatini
                        av_get_sample_fmt_name(dec->sample_fmt),
2116 5d6e4c16 Stefano Sabatini
                        av_get_sample_fmt_name(AV_SAMPLE_FMT_S16));
2117 5a4476e2 Peter Ross
                        break;
2118
                }
2119
                is->audio_src_fmt= dec->sample_fmt;
2120
            }
2121
2122
            if (is->reformat_ctx) {
2123
                const void *ibuf[6]= {is->audio_buf1};
2124
                void *obuf[6]= {is->audio_buf2};
2125 ba7d6e79 Stefano Sabatini
                int istride[6]= {av_get_bits_per_sample_fmt(dec->sample_fmt)/8};
2126 5a4476e2 Peter Ross
                int ostride[6]= {2};
2127
                int len= data_size/istride[0];
2128
                if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2129
                    printf("av_audio_convert() failed\n");
2130
                    break;
2131
                }
2132
                is->audio_buf= is->audio_buf2;
2133
                /* FIXME: existing code assume that data_size equals framesize*channels*2
2134
                          remove this legacy cruft */
2135
                data_size= len*2;
2136
            }else{
2137
                is->audio_buf= is->audio_buf1;
2138
            }
2139
2140 72ea344b Fabrice Bellard
            /* if no pts, then compute it */
2141
            pts = is->audio_clock;
2142
            *pts_ptr = pts;
2143 abdff646 Peter Ross
            n = 2 * dec->channels;
2144 115329f1 Diego Biurrun
            is->audio_clock += (double)data_size /
2145 abdff646 Peter Ross
                (double)(n * dec->sample_rate);
2146 638c9d91 Fabrice Bellard
#if defined(DEBUG_SYNC)
2147 72ea344b Fabrice Bellard
            {
2148
                static double last_clock;
2149
                printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2150
                       is->audio_clock - last_clock,
2151
                       is->audio_clock, pts);
2152
                last_clock = is->audio_clock;
2153 01310af2 Fabrice Bellard
            }
2154 72ea344b Fabrice Bellard
#endif
2155
            return data_size;
2156 01310af2 Fabrice Bellard
        }
2157
2158 72ea344b Fabrice Bellard
        /* free the current packet */
2159
        if (pkt->data)
2160 01310af2 Fabrice Bellard
            av_free_packet(pkt);
2161 115329f1 Diego Biurrun
2162 72ea344b Fabrice Bellard
        if (is->paused || is->audioq.abort_request) {
2163
            return -1;
2164
        }
2165 115329f1 Diego Biurrun
2166 01310af2 Fabrice Bellard
        /* read next packet */
2167
        if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2168
            return -1;
2169 39c6a118 Michael Niedermayer
        if(pkt->data == flush_pkt.data){
2170 abdff646 Peter Ross
            avcodec_flush_buffers(dec);
2171 39c6a118 Michael Niedermayer
            continue;
2172
        }
2173
2174 bea18375 Thilo Borgmann
        pkt_temp->data = pkt->data;
2175
        pkt_temp->size = pkt->size;
2176 115329f1 Diego Biurrun
2177 72ea344b Fabrice Bellard
        /* if update the audio clock with the pts */
2178
        if (pkt->pts != AV_NOPTS_VALUE) {
2179 c0df9d75 Michael Niedermayer
            is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2180 72ea344b Fabrice Bellard
        }
2181 01310af2 Fabrice Bellard
    }
2182
}
2183
2184 638c9d91 Fabrice Bellard
/* get the current audio output buffer size, in samples. With SDL, we
2185
   cannot have a precise information */
2186
static int audio_write_get_buf_size(VideoState *is)
2187 01310af2 Fabrice Bellard
{
2188 b09b580b Ryan Martell
    return is->audio_buf_size - is->audio_buf_index;
2189 01310af2 Fabrice Bellard
}
2190
2191
2192
/* prepare a new audio buffer */
2193 358061f6 Diego Pettenò
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2194 01310af2 Fabrice Bellard
{
2195
    VideoState *is = opaque;
2196
    int audio_size, len1;
2197
    double pts;
2198
2199
    audio_callback_time = av_gettime();
2200 115329f1 Diego Biurrun
2201 01310af2 Fabrice Bellard
    while (len > 0) {
2202
        if (is->audio_buf_index >= is->audio_buf_size) {
2203 5a4476e2 Peter Ross
           audio_size = audio_decode_frame(is, &pts);
2204 01310af2 Fabrice Bellard
           if (audio_size < 0) {
2205
                /* if error, just output silence */
2206 1a1078fa Baptiste Coudurier
               is->audio_buf = is->audio_buf1;
2207 01310af2 Fabrice Bellard
               is->audio_buf_size = 1024;
2208
               memset(is->audio_buf, 0, is->audio_buf_size);
2209
           } else {
2210
               if (is->show_audio)
2211
                   update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2212 115329f1 Diego Biurrun
               audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2213 01310af2 Fabrice Bellard
                                              pts);
2214
               is->audio_buf_size = audio_size;
2215
           }
2216
           is->audio_buf_index = 0;
2217
        }
2218
        len1 = is->audio_buf_size - is->audio_buf_index;
2219
        if (len1 > len)
2220
            len1 = len;
2221
        memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2222
        len -= len1;
2223
        stream += len1;
2224
        is->audio_buf_index += len1;
2225
    }
2226
}
2227
2228
/* open a given stream. Return 0 if OK */
2229
static int stream_component_open(VideoState *is, int stream_index)
2230
{
2231
    AVFormatContext *ic = is->ic;
2232 fe74099a Stefano Sabatini
    AVCodecContext *avctx;
2233 01310af2 Fabrice Bellard
    AVCodec *codec;
2234
    SDL_AudioSpec wanted_spec, spec;
2235
2236
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2237
        return -1;
2238 fe74099a Stefano Sabatini
    avctx = ic->streams[stream_index]->codec;
2239 115329f1 Diego Biurrun
2240 01310af2 Fabrice Bellard
    /* prepare audio output */
2241 72415b2a Stefano Sabatini
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2242 fe74099a Stefano Sabatini
        if (avctx->channels > 0) {
2243
            avctx->request_channels = FFMIN(2, avctx->channels);
2244 94eadc8b Andreas Öman
        } else {
2245 fe74099a Stefano Sabatini
            avctx->request_channels = 2;
2246 638c9d91 Fabrice Bellard
        }
2247 01310af2 Fabrice Bellard
    }
2248
2249 fe74099a Stefano Sabatini
    codec = avcodec_find_decoder(avctx->codec_id);
2250
    avctx->debug_mv = debug_mv;
2251
    avctx->debug = debug;
2252
    avctx->workaround_bugs = workaround_bugs;
2253
    avctx->lowres = lowres;
2254
    if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2255
    avctx->idct_algo= idct;
2256
    if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2257
    avctx->skip_frame= skip_frame;
2258
    avctx->skip_idct= skip_idct;
2259
    avctx->skip_loop_filter= skip_loop_filter;
2260
    avctx->error_recognition= error_recognition;
2261
    avctx->error_concealment= error_concealment;
2262
    avcodec_thread_init(avctx, thread_count);
2263
2264 0093ebc2 Michael Niedermayer
    set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
2265 e43d7a18 Michael Niedermayer
2266 01310af2 Fabrice Bellard
    if (!codec ||
2267 fe74099a Stefano Sabatini
        avcodec_open(avctx, codec) < 0)
2268 01310af2 Fabrice Bellard
        return -1;
2269 51b73087 Justin Ruggles
2270
    /* prepare audio output */
2271 72415b2a Stefano Sabatini
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2272 fe74099a Stefano Sabatini
        wanted_spec.freq = avctx->sample_rate;
2273 51b73087 Justin Ruggles
        wanted_spec.format = AUDIO_S16SYS;
2274 fe74099a Stefano Sabatini
        wanted_spec.channels = avctx->channels;
2275 51b73087 Justin Ruggles
        wanted_spec.silence = 0;
2276
        wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2277
        wanted_spec.callback = sdl_audio_callback;
2278
        wanted_spec.userdata = is;
2279
        if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2280
            fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2281
            return -1;
2282
        }
2283
        is->audio_hw_buf_size = spec.size;
2284 5d6e4c16 Stefano Sabatini
        is->audio_src_fmt= AV_SAMPLE_FMT_S16;
2285 51b73087 Justin Ruggles
    }
2286
2287 3f3fe38d Ronald S. Bultje
    ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2288 fe74099a Stefano Sabatini
    switch(avctx->codec_type) {
2289 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_AUDIO:
2290 01310af2 Fabrice Bellard
        is->audio_stream = stream_index;
2291
        is->audio_st = ic->streams[stream_index];
2292
        is->audio_buf_size = 0;
2293
        is->audio_buf_index = 0;
2294 638c9d91 Fabrice Bellard
2295
        /* init averaging filter */
2296
        is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2297
        is->audio_diff_avg_count = 0;
2298
        /* since we do not have a precise anough audio fifo fullness,
2299
           we correct audio sync only if larger than this threshold */
2300 fe74099a Stefano Sabatini
        is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
2301 638c9d91 Fabrice Bellard
2302 01310af2 Fabrice Bellard
        memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2303
        packet_queue_init(&is->audioq);
2304 bb270c08 Diego Biurrun
        SDL_PauseAudio(0);
2305 01310af2 Fabrice Bellard
        break;
2306 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_VIDEO:
2307 01310af2 Fabrice Bellard
        is->video_stream = stream_index;
2308
        is->video_st = ic->streams[stream_index];
2309
2310 68aefbe8 Michael Niedermayer
//        is->video_current_pts_time = av_gettime();
2311 638c9d91 Fabrice Bellard
2312 01310af2 Fabrice Bellard
        packet_queue_init(&is->videoq);
2313
        is->video_tid = SDL_CreateThread(video_thread, is);
2314
        break;
2315 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_SUBTITLE:
2316 72ce053b Ian Caulfield
        is->subtitle_stream = stream_index;
2317
        is->subtitle_st = ic->streams[stream_index];
2318
        packet_queue_init(&is->subtitleq);
2319 115329f1 Diego Biurrun
2320 72ce053b Ian Caulfield
        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2321
        break;
2322 01310af2 Fabrice Bellard
    default:
2323
        break;
2324
    }
2325
    return 0;
2326
}
2327
2328
static void stream_component_close(VideoState *is, int stream_index)
2329
{
2330
    AVFormatContext *ic = is->ic;
2331 fe74099a Stefano Sabatini
    AVCodecContext *avctx;
2332 115329f1 Diego Biurrun
2333 72ce053b Ian Caulfield
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2334
        return;
2335 fe74099a Stefano Sabatini
    avctx = ic->streams[stream_index]->codec;
2336 01310af2 Fabrice Bellard
2337 fe74099a Stefano Sabatini
    switch(avctx->codec_type) {
2338 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_AUDIO:
2339 01310af2 Fabrice Bellard
        packet_queue_abort(&is->audioq);
2340
2341
        SDL_CloseAudio();
2342
2343
        packet_queue_end(&is->audioq);
2344 5a4476e2 Peter Ross
        if (is->reformat_ctx)
2345
            av_audio_convert_free(is->reformat_ctx);
2346 bc77fce6 Ramiro Polla
        is->reformat_ctx = NULL;
2347 01310af2 Fabrice Bellard
        break;
2348 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_VIDEO:
2349 01310af2 Fabrice Bellard
        packet_queue_abort(&is->videoq);
2350
2351
        /* note: we also signal this mutex to make sure we deblock the
2352
           video thread in all cases */
2353
        SDL_LockMutex(is->pictq_mutex);
2354
        SDL_CondSignal(is->pictq_cond);
2355
        SDL_UnlockMutex(is->pictq_mutex);
2356
2357
        SDL_WaitThread(is->video_tid, NULL);
2358
2359
        packet_queue_end(&is->videoq);
2360
        break;
2361 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_SUBTITLE:
2362 72ce053b Ian Caulfield
        packet_queue_abort(&is->subtitleq);
2363 115329f1 Diego Biurrun
2364 72ce053b Ian Caulfield
        /* note: we also signal this mutex to make sure we deblock the
2365
           video thread in all cases */
2366
        SDL_LockMutex(is->subpq_mutex);
2367
        is->subtitle_stream_changed = 1;
2368 115329f1 Diego Biurrun
2369 72ce053b Ian Caulfield
        SDL_CondSignal(is->subpq_cond);
2370
        SDL_UnlockMutex(is->subpq_mutex);
2371
2372
        SDL_WaitThread(is->subtitle_tid, NULL);
2373
2374
        packet_queue_end(&is->subtitleq);
2375
        break;
2376 01310af2 Fabrice Bellard
    default:
2377
        break;
2378
    }
2379
2380 3f3fe38d Ronald S. Bultje
    ic->streams[stream_index]->discard = AVDISCARD_ALL;
2381 fe74099a Stefano Sabatini
    avcodec_close(avctx);
2382
    switch(avctx->codec_type) {
2383 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_AUDIO:
2384 01310af2 Fabrice Bellard
        is->audio_st = NULL;
2385
        is->audio_stream = -1;
2386
        break;
2387 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_VIDEO:
2388 01310af2 Fabrice Bellard
        is->video_st = NULL;
2389
        is->video_stream = -1;
2390
        break;
2391 72415b2a Stefano Sabatini
    case AVMEDIA_TYPE_SUBTITLE:
2392 72ce053b Ian Caulfield
        is->subtitle_st = NULL;
2393
        is->subtitle_stream = -1;
2394
        break;
2395 01310af2 Fabrice Bellard
    default:
2396
        break;
2397
    }
2398
}
2399
2400 416e3508 Fabrice Bellard
/* since we have only one decoding thread, we can use a global
2401
   variable instead of a thread local variable */
2402
static VideoState *global_video_state;
2403
2404
static int decode_interrupt_cb(void)
2405
{
2406
    return (global_video_state && global_video_state->abort_request);
2407
}
2408 01310af2 Fabrice Bellard
2409
/* this thread gets the stream from the disk or the network */
2410
static int decode_thread(void *arg)
2411
{
2412
    VideoState *is = arg;
2413
    AVFormatContext *ic;
2414 6625a3de Michael Niedermayer
    int err, i, ret;
2415 72415b2a Stefano Sabatini
    int st_index[AVMEDIA_TYPE_NB];
2416 01310af2 Fabrice Bellard
    AVPacket pkt1, *pkt = &pkt1;
2417 61890b02 Fabrice Bellard
    AVFormatParameters params, *ap = &params;
2418 75bb7b0a Michael Niedermayer
    int eof=0;
2419 d834d63b Robert Krüger
    int pkt_in_play_range = 0;
2420 01310af2 Fabrice Bellard
2421 6299a229 Michael Niedermayer
    ic = avformat_alloc_context();
2422
2423 6625a3de Michael Niedermayer
    memset(st_index, -1, sizeof(st_index));
2424 01310af2 Fabrice Bellard
    is->video_stream = -1;
2425
    is->audio_stream = -1;
2426 72ce053b Ian Caulfield
    is->subtitle_stream = -1;
2427 01310af2 Fabrice Bellard
2428 416e3508 Fabrice Bellard
    global_video_state = is;
2429
    url_set_interrupt_cb(decode_interrupt_cb);
2430
2431 61890b02 Fabrice Bellard
    memset(ap, 0, sizeof(*ap));
2432 115329f1 Diego Biurrun
2433 6299a229 Michael Niedermayer
    ap->prealloced_context = 1;
2434 e4b89522 Limin Wang
    ap->width = frame_width;
2435
    ap->height= frame_height;
2436 7e042912 Michael Niedermayer
    ap->time_base= (AVRational){1, 25};
2437 e4b89522 Limin Wang
    ap->pix_fmt = frame_pix_fmt;
2438 7e042912 Michael Niedermayer
2439 0093ebc2 Michael Niedermayer
    set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
2440 6299a229 Michael Niedermayer
2441 61890b02 Fabrice Bellard
    err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
2442 638c9d91 Fabrice Bellard
    if (err < 0) {
2443
        print_error(is->filename, err);
2444
        ret = -1;
2445
        goto fail;
2446
    }
2447 01310af2 Fabrice Bellard
    is->ic = ic;
2448 30bc6613 Michael Niedermayer
2449
    if(genpts)
2450
        ic->flags |= AVFMT_FLAG_GENPTS;
2451
2452 24c07998 Luca Abeni
    err = av_find_stream_info(ic);
2453
    if (err < 0) {
2454
        fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2455
        ret = -1;
2456
        goto fail;
2457
    }
2458 899681cd Björn Axelsson
    if(ic->pb)
2459
        ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2460 72ea344b Fabrice Bellard
2461 70a4764d Michael Niedermayer
    if(seek_by_bytes<0)
2462
        seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2463
2464 72ea344b Fabrice Bellard
    /* if seeking requested, we execute it */
2465
    if (start_time != AV_NOPTS_VALUE) {
2466
        int64_t timestamp;
2467
2468
        timestamp = start_time;
2469
        /* add the stream start time */
2470
        if (ic->start_time != AV_NOPTS_VALUE)
2471
            timestamp += ic->start_time;
2472 4ed29207 Michael Niedermayer
        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
2473 72ea344b Fabrice Bellard
        if (ret < 0) {
2474 115329f1 Diego Biurrun
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2475 72ea344b Fabrice Bellard
                    is->filename, (double)timestamp / AV_TIME_BASE);
2476
        }
2477
    }
2478
2479 406f0f1b Nicolas George
    for (i = 0; i < ic->nb_streams; i++)
2480 3f3fe38d Ronald S. Bultje
        ic->streams[i]->discard = AVDISCARD_ALL;
2481 be732b70 Nicolas George
    if (!video_disable)
2482 406f0f1b Nicolas George
        st_index[AVMEDIA_TYPE_VIDEO] =
2483
            av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
2484
                                wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
2485 be732b70 Nicolas George
    if (!audio_disable)
2486 406f0f1b Nicolas George
        st_index[AVMEDIA_TYPE_AUDIO] =
2487
            av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
2488
                                wanted_stream[AVMEDIA_TYPE_AUDIO],
2489
                                st_index[AVMEDIA_TYPE_VIDEO],
2490
                                NULL, 0);
2491 be732b70 Nicolas George
    if (!video_disable)
2492 406f0f1b Nicolas George
        st_index[AVMEDIA_TYPE_SUBTITLE] =
2493
            av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
2494
                                wanted_stream[AVMEDIA_TYPE_SUBTITLE],
2495
                                (st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
2496
                                 st_index[AVMEDIA_TYPE_AUDIO] :
2497
                                 st_index[AVMEDIA_TYPE_VIDEO]),
2498
                                NULL, 0);
2499 01310af2 Fabrice Bellard
    if (show_status) {
2500
        dump_format(ic, 0, is->filename, 0);
2501
    }
2502
2503
    /* open the streams */
2504 72415b2a Stefano Sabatini
    if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2505
        stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
2506 01310af2 Fabrice Bellard
    }
2507
2508 077a8d61 Michael Niedermayer
    ret=-1;
2509 72415b2a Stefano Sabatini
    if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2510
        ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
2511 077a8d61 Michael Niedermayer
    }
2512 d38c9e7a Michael Niedermayer
    is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2513 077a8d61 Michael Niedermayer
    if(ret<0) {
2514 01310af2 Fabrice Bellard
        if (!display_disable)
2515 bf8ae197 Michael Niedermayer
            is->show_audio = 2;
2516 01310af2 Fabrice Bellard
    }
2517
2518 72415b2a Stefano Sabatini
    if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2519
        stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
2520 16a59a7b Björn Axelsson
    }
2521
2522 01310af2 Fabrice Bellard
    if (is->video_stream < 0 && is->audio_stream < 0) {
2523 638c9d91 Fabrice Bellard
        fprintf(stderr, "%s: could not open codecs\n", is->filename);
2524
        ret = -1;
2525 01310af2 Fabrice Bellard
        goto fail;
2526
    }
2527
2528
    for(;;) {
2529
        if (is->abort_request)
2530
            break;
2531 416e3508 Fabrice Bellard
        if (is->paused != is->last_paused) {
2532
            is->last_paused = is->paused;
2533 72ea344b Fabrice Bellard
            if (is->paused)
2534 f5668147 Michael Niedermayer
                is->read_pause_return= av_read_pause(ic);
2535 72ea344b Fabrice Bellard
            else
2536
                av_read_play(ic);
2537 416e3508 Fabrice Bellard
        }
2538 2f642393 Aurelien Jacobs
#if CONFIG_RTSP_DEMUXER
2539
        if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2540 416e3508 Fabrice Bellard
            /* wait 10 ms to avoid trying to get another packet */
2541
            /* XXX: horrible */
2542
            SDL_Delay(10);
2543
            continue;
2544
        }
2545 400738b1 Michael Niedermayer
#endif
2546 72ea344b Fabrice Bellard
        if (is->seek_req) {
2547 8e606cc8 Michael Niedermayer
            int64_t seek_target= is->seek_pos;
2548 4ed29207 Michael Niedermayer
            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2549
            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2550
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2551
//      of the seek_pos/seek_rel variables
2552 8e606cc8 Michael Niedermayer
2553 4ed29207 Michael Niedermayer
            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2554 72ea344b Fabrice Bellard
            if (ret < 0) {
2555
                fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2556 e6c0297f Michael Niedermayer
            }else{
2557
                if (is->audio_stream >= 0) {
2558
                    packet_queue_flush(&is->audioq);
2559 39c6a118 Michael Niedermayer
                    packet_queue_put(&is->audioq, &flush_pkt);
2560 e6c0297f Michael Niedermayer
                }
2561 72ce053b Ian Caulfield
                if (is->subtitle_stream >= 0) {
2562
                    packet_queue_flush(&is->subtitleq);
2563 39c6a118 Michael Niedermayer
                    packet_queue_put(&is->subtitleq, &flush_pkt);
2564 72ce053b Ian Caulfield
                }
2565 e6c0297f Michael Niedermayer
                if (is->video_stream >= 0) {
2566
                    packet_queue_flush(&is->videoq);
2567 39c6a118 Michael Niedermayer
                    packet_queue_put(&is->videoq, &flush_pkt);
2568 e6c0297f Michael Niedermayer
                }
2569 72ea344b Fabrice Bellard
            }
2570
            is->seek_req = 0;
2571 e45aeb38 Michael Niedermayer
            eof= 0;
2572 72ea344b Fabrice Bellard
        }
2573 416e3508 Fabrice Bellard
2574 01310af2 Fabrice Bellard
        /* if the queue are full, no need to read more */
2575 79ee4683 Michael Niedermayer
        if (   is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2576
            || (   (is->audioq   .size  > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2577
                && (is->videoq   .nb_packets > MIN_FRAMES || is->video_stream<0)
2578
                && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2579 01310af2 Fabrice Bellard
            /* wait 10 ms */
2580
            SDL_Delay(10);
2581
            continue;
2582
        }
2583 27d97fde Michael Chinen
        if(eof) {
2584 9dc41767 Michael Niedermayer
            if(is->video_stream >= 0){
2585 26534fe8 Michael Niedermayer
                av_init_packet(pkt);
2586
                pkt->data=NULL;
2587
                pkt->size=0;
2588
                pkt->stream_index= is->video_stream;
2589
                packet_queue_put(&is->videoq, pkt);
2590 9dc41767 Michael Niedermayer
            }
2591 b4083171 Michael Niedermayer
            SDL_Delay(10);
2592 1922c0a7 Robert Krüger
            if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2593
                if(loop!=1 && (!loop || --loop)){
2594
                    stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2595
                }else if(autoexit){
2596
                    ret=AVERROR_EOF;
2597
                    goto fail;
2598
                }
2599 2d1653b0 Michael Niedermayer
            }
2600 600a331c Michael Niedermayer
            continue;
2601
        }
2602 72ea344b Fabrice Bellard
        ret = av_read_frame(ic, pkt);
2603 01310af2 Fabrice Bellard
        if (ret < 0) {
2604 27d97fde Michael Chinen
            if (ret == AVERROR_EOF || url_feof(ic->pb))
2605 75bb7b0a Michael Niedermayer
                eof=1;
2606
            if (url_ferror(ic->pb))
2607 bb270c08 Diego Biurrun
                break;
2608 75bb7b0a Michael Niedermayer
            SDL_Delay(100); /* wait for user event */
2609
            continue;
2610 01310af2 Fabrice Bellard
        }
2611 d834d63b Robert Krüger
        /* check if packet is in play range specified by user, then queue, otherwise discard */
2612
        pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2613
                (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2614
                av_q2d(ic->streams[pkt->stream_index]->time_base) -
2615
                (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2616
                <= ((double)duration/1000000);
2617
        if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
2618 01310af2 Fabrice Bellard
            packet_queue_put(&is->audioq, pkt);
2619 d834d63b Robert Krüger
        } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
2620 01310af2 Fabrice Bellard
            packet_queue_put(&is->videoq, pkt);
2621 d834d63b Robert Krüger
        } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
2622 72ce053b Ian Caulfield
            packet_queue_put(&is->subtitleq, pkt);
2623 01310af2 Fabrice Bellard
        } else {
2624
            av_free_packet(pkt);
2625
        }
2626
    }
2627
    /* wait until the end */
2628
    while (!is->abort_request) {
2629
        SDL_Delay(100);
2630
    }
2631
2632 638c9d91 Fabrice Bellard
    ret = 0;
2633 01310af2 Fabrice Bellard
 fail:
2634 416e3508 Fabrice Bellard
    /* disable interrupting */
2635
    global_video_state = NULL;
2636
2637 01310af2 Fabrice Bellard
    /* close each stream */
2638
    if (is->audio_stream >= 0)
2639
        stream_component_close(is, is->audio_stream);
2640
    if (is->video_stream >= 0)
2641
        stream_component_close(is, is->video_stream);
2642 72ce053b Ian Caulfield
    if (is->subtitle_stream >= 0)
2643
        stream_component_close(is, is->subtitle_stream);
2644 638c9d91 Fabrice Bellard
    if (is->ic) {
2645
        av_close_input_file(is->ic);
2646
        is->ic = NULL; /* safety */
2647
    }
2648 416e3508 Fabrice Bellard
    url_set_interrupt_cb(NULL);
2649
2650 638c9d91 Fabrice Bellard
    if (ret != 0) {
2651
        SDL_Event event;
2652 115329f1 Diego Biurrun
2653 638c9d91 Fabrice Bellard
        event.type = FF_QUIT_EVENT;
2654
        event.user.data1 = is;
2655
        SDL_PushEvent(&event);
2656
    }
2657 01310af2 Fabrice Bellard
    return 0;
2658
}
2659
2660 638c9d91 Fabrice Bellard
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2661 01310af2 Fabrice Bellard
{
2662
    VideoState *is;
2663
2664
    is = av_mallocz(sizeof(VideoState));
2665
    if (!is)
2666
        return NULL;
2667 f7d78f36 Måns Rullgård
    av_strlcpy(is->filename, filename, sizeof(is->filename));
2668 638c9d91 Fabrice Bellard
    is->iformat = iformat;
2669 01310af2 Fabrice Bellard
    is->ytop = 0;
2670
    is->xleft = 0;
2671
2672
    /* start video display */
2673
    is->pictq_mutex = SDL_CreateMutex();
2674
    is->pictq_cond = SDL_CreateCond();
2675 115329f1 Diego Biurrun
2676 72ce053b Ian Caulfield
    is->subpq_mutex = SDL_CreateMutex();
2677
    is->subpq_cond = SDL_CreateCond();
2678 115329f1 Diego Biurrun
2679 638c9d91 Fabrice Bellard
    is->av_sync_type = av_sync_type;
2680 01310af2 Fabrice Bellard
    is->parse_tid = SDL_CreateThread(decode_thread, is);
2681
    if (!is->parse_tid) {
2682
        av_free(is);
2683
        return NULL;
2684
    }
2685
    return is;
2686
}
2687
2688 7b49ce2e Stefan Huehner
static void stream_cycle_channel(VideoState *is, int codec_type)
2689 638c9d91 Fabrice Bellard
{
2690
    AVFormatContext *ic = is->ic;
2691
    int start_index, stream_index;
2692
    AVStream *st;
2693
2694 72415b2a Stefano Sabatini
    if (codec_type == AVMEDIA_TYPE_VIDEO)
2695 638c9d91 Fabrice Bellard
        start_index = is->video_stream;
2696 72415b2a Stefano Sabatini
    else if (codec_type == AVMEDIA_TYPE_AUDIO)
2697 638c9d91 Fabrice Bellard
        start_index = is->audio_stream;
2698 72ce053b Ian Caulfield
    else
2699
        start_index = is->subtitle_stream;
2700 72415b2a Stefano Sabatini
    if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
2701 638c9d91 Fabrice Bellard
        return;
2702
    stream_index = start_index;
2703
    for(;;) {
2704
        if (++stream_index >= is->ic->nb_streams)
2705 72ce053b Ian Caulfield
        {
2706 72415b2a Stefano Sabatini
            if (codec_type == AVMEDIA_TYPE_SUBTITLE)
2707 72ce053b Ian Caulfield
            {
2708
                stream_index = -1;
2709
                goto the_end;
2710
            } else
2711
                stream_index = 0;
2712
        }
2713 638c9d91 Fabrice Bellard
        if (stream_index == start_index)
2714
            return;
2715
        st = ic->streams[stream_index];
2716 01f4895c Michael Niedermayer
        if (st->codec->codec_type == codec_type) {
2717 638c9d91 Fabrice Bellard
            /* check that parameters are OK */
2718
            switch(codec_type) {
2719 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_AUDIO:
2720 01f4895c Michael Niedermayer
                if (st->codec->sample_rate != 0 &&
2721
                    st->codec->channels != 0)
2722 638c9d91 Fabrice Bellard
                    goto the_end;
2723
                break;
2724 72415b2a Stefano Sabatini
            case AVMEDIA_TYPE_VIDEO:
2725
            case AVMEDIA_TYPE_SUBTITLE:
2726 638c9d91 Fabrice Bellard
                goto the_end;
2727
            default:
2728
                break;
2729
            }
2730
        }
2731
    }
2732
 the_end:
2733
    stream_component_close(is, start_index);
2734
    stream_component_open(is, stream_index);
2735
}
2736
2737
2738 7b49ce2e Stefan Huehner
static void toggle_full_screen(void)
2739 01310af2 Fabrice Bellard
{
2740
    is_full_screen = !is_full_screen;
2741 29f3b38a Måns Rullgård
    if (!fs_screen_width) {
2742
        /* use default SDL method */
2743 fb84155b Michael Niedermayer
//        SDL_WM_ToggleFullScreen(screen);
2744 01310af2 Fabrice Bellard
    }
2745 fb84155b Michael Niedermayer
    video_open(cur_stream);
2746 01310af2 Fabrice Bellard
}
2747
2748 7b49ce2e Stefan Huehner
static void toggle_pause(void)
2749 01310af2 Fabrice Bellard
{
2750
    if (cur_stream)
2751
        stream_pause(cur_stream);
2752 bba04f1e Wolfgang Hesseler
    step = 0;
2753
}
2754
2755 7b49ce2e Stefan Huehner
static void step_to_next_frame(void)
2756 bba04f1e Wolfgang Hesseler
{
2757
    if (cur_stream) {
2758 19cc524a Craig Nicol
        /* if the stream is paused unpause it, then step */
2759 bba04f1e Wolfgang Hesseler
        if (cur_stream->paused)
2760 19cc524a Craig Nicol
            stream_pause(cur_stream);
2761 bba04f1e Wolfgang Hesseler
    }
2762
    step = 1;
2763 01310af2 Fabrice Bellard
}
2764
2765 7b49ce2e Stefan Huehner
static void toggle_audio_display(void)
2766 01310af2 Fabrice Bellard
{
2767
    if (cur_stream) {
2768 f5968788 Michael Niedermayer
        int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2769 12eeda34 Michael Niedermayer
        cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
2770 f5968788 Michael Niedermayer
        fill_rectangle(screen,
2771
                    cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2772
                    bgcolor);
2773
        SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
2774 01310af2 Fabrice Bellard
    }
2775
}
2776
2777
/* handle an event sent by the GUI */
2778 7b49ce2e Stefan Huehner
static void event_loop(void)
2779 01310af2 Fabrice Bellard
{
2780
    SDL_Event event;
2781 a11d11aa Michel Bardiaux
    double incr, pos, frac;
2782 01310af2 Fabrice Bellard
2783
    for(;;) {
2784 d52ec002 Michael Niedermayer
        double x;
2785 01310af2 Fabrice Bellard
        SDL_WaitEvent(&event);
2786
        switch(event.type) {
2787
        case SDL_KEYDOWN:
2788 066ce8c9 Alexei Svitkine
            if (exit_on_keydown) {
2789
                do_exit();
2790
                break;
2791
            }
2792 01310af2 Fabrice Bellard
            switch(event.key.keysym.sym) {
2793
            case SDLK_ESCAPE:
2794
            case SDLK_q:
2795
                do_exit();
2796
                break;
2797
            case SDLK_f:
2798
                toggle_full_screen();
2799
                break;
2800
            case SDLK_p:
2801
            case SDLK_SPACE:
2802
                toggle_pause();
2803
                break;
2804 bba04f1e Wolfgang Hesseler
            case SDLK_s: //S: Step to next frame
2805
                step_to_next_frame();
2806
                break;
2807 01310af2 Fabrice Bellard
            case SDLK_a:
2808 115329f1 Diego Biurrun
                if (cur_stream)
2809 72415b2a Stefano Sabatini
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
2810 638c9d91 Fabrice Bellard
                break;
2811
            case SDLK_v:
2812 115329f1 Diego Biurrun
                if (cur_stream)
2813 72415b2a Stefano Sabatini
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
2814 638c9d91 Fabrice Bellard
                break;
2815 72ce053b Ian Caulfield
            case SDLK_t:
2816 115329f1 Diego Biurrun
                if (cur_stream)
2817 72415b2a Stefano Sabatini
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
2818 72ce053b Ian Caulfield
                break;
2819 638c9d91 Fabrice Bellard
            case SDLK_w:
2820 01310af2 Fabrice Bellard
                toggle_audio_display();
2821
                break;
2822 72ea344b Fabrice Bellard
            case SDLK_LEFT:
2823
                incr = -10.0;
2824
                goto do_seek;
2825
            case SDLK_RIGHT:
2826
                incr = 10.0;
2827