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ffmpeg / ffplay.c @ 037be76e

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1
/*
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 * FFplay : Simple Media Player based on the FFmpeg libraries
3
 * Copyright (c) 2003 Fabrice Bellard
4
 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
21

    
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#define _XOPEN_SOURCE 600
23

    
24
#include "config.h"
25
#include <inttypes.h>
26
#include <math.h>
27
#include <limits.h>
28
#include "libavutil/avstring.h"
29
#include "libavutil/colorspace.h"
30
#include "libavutil/pixdesc.h"
31
#include "libavcore/imgutils.h"
32
#include "libavcore/parseutils.h"
33
#include "libavcore/samplefmt.h"
34
#include "libavformat/avformat.h"
35
#include "libavdevice/avdevice.h"
36
#include "libswscale/swscale.h"
37
#include "libavcodec/audioconvert.h"
38
#include "libavcodec/opt.h"
39
#include "libavcodec/avfft.h"
40

    
41
#if CONFIG_AVFILTER
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# include "libavfilter/avfilter.h"
43
# include "libavfilter/avfiltergraph.h"
44
#endif
45

    
46
#include "cmdutils.h"
47

    
48
#include <SDL.h>
49
#include <SDL_thread.h>
50

    
51
#ifdef __MINGW32__
52
#undef main /* We don't want SDL to override our main() */
53
#endif
54

    
55
#include <unistd.h>
56
#include <assert.h>
57

    
58
const char program_name[] = "FFplay";
59
const int program_birth_year = 2003;
60

    
61
//#define DEBUG_SYNC
62

    
63
#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
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#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
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#define MIN_FRAMES 5
66

    
67
/* SDL audio buffer size, in samples. Should be small to have precise
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   A/V sync as SDL does not have hardware buffer fullness info. */
69
#define SDL_AUDIO_BUFFER_SIZE 1024
70

    
71
/* no AV sync correction is done if below the AV sync threshold */
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#define AV_SYNC_THRESHOLD 0.01
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/* no AV correction is done if too big error */
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#define AV_NOSYNC_THRESHOLD 10.0
75

    
76
#define FRAME_SKIP_FACTOR 0.05
77

    
78
/* maximum audio speed change to get correct sync */
79
#define SAMPLE_CORRECTION_PERCENT_MAX 10
80

    
81
/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
82
#define AUDIO_DIFF_AVG_NB   20
83

    
84
/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
85
#define SAMPLE_ARRAY_SIZE (2*65536)
86

    
87
static int sws_flags = SWS_BICUBIC;
88

    
89
typedef struct PacketQueue {
90
    AVPacketList *first_pkt, *last_pkt;
91
    int nb_packets;
92
    int size;
93
    int abort_request;
94
    SDL_mutex *mutex;
95
    SDL_cond *cond;
96
} PacketQueue;
97

    
98
#define VIDEO_PICTURE_QUEUE_SIZE 2
99
#define SUBPICTURE_QUEUE_SIZE 4
100

    
101
typedef struct VideoPicture {
102
    double pts;                                  ///<presentation time stamp for this picture
103
    double target_clock;                         ///<av_gettime() time at which this should be displayed ideally
104
    int64_t pos;                                 ///<byte position in file
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    SDL_Overlay *bmp;
106
    int width, height; /* source height & width */
107
    int allocated;
108
    enum PixelFormat pix_fmt;
109

    
110
#if CONFIG_AVFILTER
111
    AVFilterBufferRef *picref;
112
#endif
113
} VideoPicture;
114

    
115
typedef struct SubPicture {
116
    double pts; /* presentation time stamp for this picture */
117
    AVSubtitle sub;
118
} SubPicture;
119

    
120
enum {
121
    AV_SYNC_AUDIO_MASTER, /* default choice */
122
    AV_SYNC_VIDEO_MASTER,
123
    AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
124
};
125

    
126
typedef struct VideoState {
127
    SDL_Thread *parse_tid;
128
    SDL_Thread *video_tid;
129
    SDL_Thread *refresh_tid;
130
    AVInputFormat *iformat;
131
    int no_background;
132
    int abort_request;
133
    int paused;
134
    int last_paused;
135
    int seek_req;
136
    int seek_flags;
137
    int64_t seek_pos;
138
    int64_t seek_rel;
139
    int read_pause_return;
140
    AVFormatContext *ic;
141
    int dtg_active_format;
142

    
143
    int audio_stream;
144

    
145
    int av_sync_type;
146
    double external_clock; /* external clock base */
147
    int64_t external_clock_time;
148

    
149
    double audio_clock;
150
    double audio_diff_cum; /* used for AV difference average computation */
151
    double audio_diff_avg_coef;
152
    double audio_diff_threshold;
153
    int audio_diff_avg_count;
154
    AVStream *audio_st;
155
    PacketQueue audioq;
156
    int audio_hw_buf_size;
157
    /* samples output by the codec. we reserve more space for avsync
158
       compensation */
159
    DECLARE_ALIGNED(16,uint8_t,audio_buf1)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
160
    DECLARE_ALIGNED(16,uint8_t,audio_buf2)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
161
    uint8_t *audio_buf;
162
    unsigned int audio_buf_size; /* in bytes */
163
    int audio_buf_index; /* in bytes */
164
    AVPacket audio_pkt_temp;
165
    AVPacket audio_pkt;
166
    enum AVSampleFormat audio_src_fmt;
167
    AVAudioConvert *reformat_ctx;
168

    
169
    int show_audio; /* if true, display audio samples */
170
    int16_t sample_array[SAMPLE_ARRAY_SIZE];
171
    int sample_array_index;
172
    int last_i_start;
173
    RDFTContext *rdft;
174
    int rdft_bits;
175
    FFTSample *rdft_data;
176
    int xpos;
177

    
178
    SDL_Thread *subtitle_tid;
179
    int subtitle_stream;
180
    int subtitle_stream_changed;
181
    AVStream *subtitle_st;
182
    PacketQueue subtitleq;
183
    SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
184
    int subpq_size, subpq_rindex, subpq_windex;
185
    SDL_mutex *subpq_mutex;
186
    SDL_cond *subpq_cond;
187

    
188
    double frame_timer;
189
    double frame_last_pts;
190
    double frame_last_delay;
191
    double video_clock;                          ///<pts of last decoded frame / predicted pts of next decoded frame
192
    int video_stream;
193
    AVStream *video_st;
194
    PacketQueue videoq;
195
    double video_current_pts;                    ///<current displayed pts (different from video_clock if frame fifos are used)
196
    double video_current_pts_drift;              ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
197
    int64_t video_current_pos;                   ///<current displayed file pos
198
    VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
199
    int pictq_size, pictq_rindex, pictq_windex;
200
    SDL_mutex *pictq_mutex;
201
    SDL_cond *pictq_cond;
202
#if !CONFIG_AVFILTER
203
    struct SwsContext *img_convert_ctx;
204
#endif
205

    
206
    //    QETimer *video_timer;
207
    char filename[1024];
208
    int width, height, xleft, ytop;
209

    
210
    PtsCorrectionContext pts_ctx;
211

    
212
#if CONFIG_AVFILTER
213
    AVFilterContext *out_video_filter;          ///<the last filter in the video chain
214
#endif
215

    
216
    float skip_frames;
217
    float skip_frames_index;
218
    int refresh;
219
} VideoState;
220

    
221
static void show_help(void);
222
static int audio_write_get_buf_size(VideoState *is);
223

    
224
/* options specified by the user */
225
static AVInputFormat *file_iformat;
226
static const char *input_filename;
227
static const char *window_title;
228
static int fs_screen_width;
229
static int fs_screen_height;
230
static int screen_width = 0;
231
static int screen_height = 0;
232
static int frame_width = 0;
233
static int frame_height = 0;
234
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
235
static int audio_disable;
236
static int video_disable;
237
static int wanted_stream[AVMEDIA_TYPE_NB]={
238
    [AVMEDIA_TYPE_AUDIO]=-1,
239
    [AVMEDIA_TYPE_VIDEO]=-1,
240
    [AVMEDIA_TYPE_SUBTITLE]=-1,
241
};
242
static int seek_by_bytes=-1;
243
static int display_disable;
244
static int show_status = 1;
245
static int av_sync_type = AV_SYNC_AUDIO_MASTER;
246
static int64_t start_time = AV_NOPTS_VALUE;
247
static int64_t duration = AV_NOPTS_VALUE;
248
static int debug = 0;
249
static int debug_mv = 0;
250
static int step = 0;
251
static int thread_count = 1;
252
static int workaround_bugs = 1;
253
static int fast = 0;
254
static int genpts = 0;
255
static int lowres = 0;
256
static int idct = FF_IDCT_AUTO;
257
static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
258
static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
259
static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
260
static int error_recognition = FF_ER_CAREFUL;
261
static int error_concealment = 3;
262
static int decoder_reorder_pts= -1;
263
static int autoexit;
264
static int exit_on_keydown;
265
static int exit_on_mousedown;
266
static int loop=1;
267
static int framedrop=1;
268

    
269
static int rdftspeed=20;
270
#if CONFIG_AVFILTER
271
static char *vfilters = NULL;
272
#endif
273

    
274
/* current context */
275
static int is_full_screen;
276
static VideoState *cur_stream;
277
static int64_t audio_callback_time;
278

    
279
static AVPacket flush_pkt;
280

    
281
#define FF_ALLOC_EVENT   (SDL_USEREVENT)
282
#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
283
#define FF_QUIT_EVENT    (SDL_USEREVENT + 2)
284

    
285
static SDL_Surface *screen;
286

    
287
static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
288

    
289
/* packet queue handling */
290
static void packet_queue_init(PacketQueue *q)
291
{
292
    memset(q, 0, sizeof(PacketQueue));
293
    q->mutex = SDL_CreateMutex();
294
    q->cond = SDL_CreateCond();
295
    packet_queue_put(q, &flush_pkt);
296
}
297

    
298
static void packet_queue_flush(PacketQueue *q)
299
{
300
    AVPacketList *pkt, *pkt1;
301

    
302
    SDL_LockMutex(q->mutex);
303
    for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
304
        pkt1 = pkt->next;
305
        av_free_packet(&pkt->pkt);
306
        av_freep(&pkt);
307
    }
308
    q->last_pkt = NULL;
309
    q->first_pkt = NULL;
310
    q->nb_packets = 0;
311
    q->size = 0;
312
    SDL_UnlockMutex(q->mutex);
313
}
314

    
315
static void packet_queue_end(PacketQueue *q)
316
{
317
    packet_queue_flush(q);
318
    SDL_DestroyMutex(q->mutex);
319
    SDL_DestroyCond(q->cond);
320
}
321

    
322
static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
323
{
324
    AVPacketList *pkt1;
325

    
326
    /* duplicate the packet */
327
    if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
328
        return -1;
329

    
330
    pkt1 = av_malloc(sizeof(AVPacketList));
331
    if (!pkt1)
332
        return -1;
333
    pkt1->pkt = *pkt;
334
    pkt1->next = NULL;
335

    
336

    
337
    SDL_LockMutex(q->mutex);
338

    
339
    if (!q->last_pkt)
340

    
341
        q->first_pkt = pkt1;
342
    else
343
        q->last_pkt->next = pkt1;
344
    q->last_pkt = pkt1;
345
    q->nb_packets++;
346
    q->size += pkt1->pkt.size + sizeof(*pkt1);
347
    /* XXX: should duplicate packet data in DV case */
348
    SDL_CondSignal(q->cond);
349

    
350
    SDL_UnlockMutex(q->mutex);
351
    return 0;
352
}
353

    
354
static void packet_queue_abort(PacketQueue *q)
355
{
356
    SDL_LockMutex(q->mutex);
357

    
358
    q->abort_request = 1;
359

    
360
    SDL_CondSignal(q->cond);
361

    
362
    SDL_UnlockMutex(q->mutex);
363
}
364

    
365
/* return < 0 if aborted, 0 if no packet and > 0 if packet.  */
366
static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
367
{
368
    AVPacketList *pkt1;
369
    int ret;
370

    
371
    SDL_LockMutex(q->mutex);
372

    
373
    for(;;) {
374
        if (q->abort_request) {
375
            ret = -1;
376
            break;
377
        }
378

    
379
        pkt1 = q->first_pkt;
380
        if (pkt1) {
381
            q->first_pkt = pkt1->next;
382
            if (!q->first_pkt)
383
                q->last_pkt = NULL;
384
            q->nb_packets--;
385
            q->size -= pkt1->pkt.size + sizeof(*pkt1);
386
            *pkt = pkt1->pkt;
387
            av_free(pkt1);
388
            ret = 1;
389
            break;
390
        } else if (!block) {
391
            ret = 0;
392
            break;
393
        } else {
394
            SDL_CondWait(q->cond, q->mutex);
395
        }
396
    }
397
    SDL_UnlockMutex(q->mutex);
398
    return ret;
399
}
400

    
401
static inline void fill_rectangle(SDL_Surface *screen,
402
                                  int x, int y, int w, int h, int color)
403
{
404
    SDL_Rect rect;
405
    rect.x = x;
406
    rect.y = y;
407
    rect.w = w;
408
    rect.h = h;
409
    SDL_FillRect(screen, &rect, color);
410
}
411

    
412
#if 0
413
/* draw only the border of a rectangle */
414
void fill_border(VideoState *s, int x, int y, int w, int h, int color)
415
{
416
    int w1, w2, h1, h2;
417

418
    /* fill the background */
419
    w1 = x;
420
    if (w1 < 0)
421
        w1 = 0;
422
    w2 = s->width - (x + w);
423
    if (w2 < 0)
424
        w2 = 0;
425
    h1 = y;
426
    if (h1 < 0)
427
        h1 = 0;
428
    h2 = s->height - (y + h);
429
    if (h2 < 0)
430
        h2 = 0;
431
    fill_rectangle(screen,
432
                   s->xleft, s->ytop,
433
                   w1, s->height,
434
                   color);
435
    fill_rectangle(screen,
436
                   s->xleft + s->width - w2, s->ytop,
437
                   w2, s->height,
438
                   color);
439
    fill_rectangle(screen,
440
                   s->xleft + w1, s->ytop,
441
                   s->width - w1 - w2, h1,
442
                   color);
443
    fill_rectangle(screen,
444
                   s->xleft + w1, s->ytop + s->height - h2,
445
                   s->width - w1 - w2, h2,
446
                   color);
447
}
448
#endif
449

    
450
#define ALPHA_BLEND(a, oldp, newp, s)\
451
((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
452

    
453
#define RGBA_IN(r, g, b, a, s)\
454
{\
455
    unsigned int v = ((const uint32_t *)(s))[0];\
456
    a = (v >> 24) & 0xff;\
457
    r = (v >> 16) & 0xff;\
458
    g = (v >> 8) & 0xff;\
459
    b = v & 0xff;\
460
}
461

    
462
#define YUVA_IN(y, u, v, a, s, pal)\
463
{\
464
    unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
465
    a = (val >> 24) & 0xff;\
466
    y = (val >> 16) & 0xff;\
467
    u = (val >> 8) & 0xff;\
468
    v = val & 0xff;\
469
}
470

    
471
#define YUVA_OUT(d, y, u, v, a)\
472
{\
473
    ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
474
}
475

    
476

    
477
#define BPP 1
478

    
479
static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
480
{
481
    int wrap, wrap3, width2, skip2;
482
    int y, u, v, a, u1, v1, a1, w, h;
483
    uint8_t *lum, *cb, *cr;
484
    const uint8_t *p;
485
    const uint32_t *pal;
486
    int dstx, dsty, dstw, dsth;
487

    
488
    dstw = av_clip(rect->w, 0, imgw);
489
    dsth = av_clip(rect->h, 0, imgh);
490
    dstx = av_clip(rect->x, 0, imgw - dstw);
491
    dsty = av_clip(rect->y, 0, imgh - dsth);
492
    lum = dst->data[0] + dsty * dst->linesize[0];
493
    cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
494
    cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
495

    
496
    width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
497
    skip2 = dstx >> 1;
498
    wrap = dst->linesize[0];
499
    wrap3 = rect->pict.linesize[0];
500
    p = rect->pict.data[0];
501
    pal = (const uint32_t *)rect->pict.data[1];  /* Now in YCrCb! */
502

    
503
    if (dsty & 1) {
504
        lum += dstx;
505
        cb += skip2;
506
        cr += skip2;
507

    
508
        if (dstx & 1) {
509
            YUVA_IN(y, u, v, a, p, pal);
510
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
511
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
512
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
513
            cb++;
514
            cr++;
515
            lum++;
516
            p += BPP;
517
        }
518
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
519
            YUVA_IN(y, u, v, a, p, pal);
520
            u1 = u;
521
            v1 = v;
522
            a1 = a;
523
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
524

    
525
            YUVA_IN(y, u, v, a, p + BPP, pal);
526
            u1 += u;
527
            v1 += v;
528
            a1 += a;
529
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
530
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
531
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
532
            cb++;
533
            cr++;
534
            p += 2 * BPP;
535
            lum += 2;
536
        }
537
        if (w) {
538
            YUVA_IN(y, u, v, a, p, pal);
539
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
540
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
541
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
542
            p++;
543
            lum++;
544
        }
545
        p += wrap3 - dstw * BPP;
546
        lum += wrap - dstw - dstx;
547
        cb += dst->linesize[1] - width2 - skip2;
548
        cr += dst->linesize[2] - width2 - skip2;
549
    }
550
    for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
551
        lum += dstx;
552
        cb += skip2;
553
        cr += skip2;
554

    
555
        if (dstx & 1) {
556
            YUVA_IN(y, u, v, a, p, pal);
557
            u1 = u;
558
            v1 = v;
559
            a1 = a;
560
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
561
            p += wrap3;
562
            lum += wrap;
563
            YUVA_IN(y, u, v, a, p, pal);
564
            u1 += u;
565
            v1 += v;
566
            a1 += a;
567
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
568
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
569
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
570
            cb++;
571
            cr++;
572
            p += -wrap3 + BPP;
573
            lum += -wrap + 1;
574
        }
575
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
576
            YUVA_IN(y, u, v, a, p, pal);
577
            u1 = u;
578
            v1 = v;
579
            a1 = a;
580
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
581

    
582
            YUVA_IN(y, u, v, a, p + BPP, pal);
583
            u1 += u;
584
            v1 += v;
585
            a1 += a;
586
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
587
            p += wrap3;
588
            lum += wrap;
589

    
590
            YUVA_IN(y, u, v, a, p, pal);
591
            u1 += u;
592
            v1 += v;
593
            a1 += a;
594
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
595

    
596
            YUVA_IN(y, u, v, a, p + BPP, pal);
597
            u1 += u;
598
            v1 += v;
599
            a1 += a;
600
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
601

    
602
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
603
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
604

    
605
            cb++;
606
            cr++;
607
            p += -wrap3 + 2 * BPP;
608
            lum += -wrap + 2;
609
        }
610
        if (w) {
611
            YUVA_IN(y, u, v, a, p, pal);
612
            u1 = u;
613
            v1 = v;
614
            a1 = a;
615
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
616
            p += wrap3;
617
            lum += wrap;
618
            YUVA_IN(y, u, v, a, p, pal);
619
            u1 += u;
620
            v1 += v;
621
            a1 += a;
622
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
623
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
624
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
625
            cb++;
626
            cr++;
627
            p += -wrap3 + BPP;
628
            lum += -wrap + 1;
629
        }
630
        p += wrap3 + (wrap3 - dstw * BPP);
631
        lum += wrap + (wrap - dstw - dstx);
632
        cb += dst->linesize[1] - width2 - skip2;
633
        cr += dst->linesize[2] - width2 - skip2;
634
    }
635
    /* handle odd height */
636
    if (h) {
637
        lum += dstx;
638
        cb += skip2;
639
        cr += skip2;
640

    
641
        if (dstx & 1) {
642
            YUVA_IN(y, u, v, a, p, pal);
643
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
644
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
645
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
646
            cb++;
647
            cr++;
648
            lum++;
649
            p += BPP;
650
        }
651
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
652
            YUVA_IN(y, u, v, a, p, pal);
653
            u1 = u;
654
            v1 = v;
655
            a1 = a;
656
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
657

    
658
            YUVA_IN(y, u, v, a, p + BPP, pal);
659
            u1 += u;
660
            v1 += v;
661
            a1 += a;
662
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
663
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
664
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
665
            cb++;
666
            cr++;
667
            p += 2 * BPP;
668
            lum += 2;
669
        }
670
        if (w) {
671
            YUVA_IN(y, u, v, a, p, pal);
672
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
673
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
674
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
675
        }
676
    }
677
}
678

    
679
static void free_subpicture(SubPicture *sp)
680
{
681
    avsubtitle_free(&sp->sub);
682
}
683

    
684
static void video_image_display(VideoState *is)
685
{
686
    VideoPicture *vp;
687
    SubPicture *sp;
688
    AVPicture pict;
689
    float aspect_ratio;
690
    int width, height, x, y;
691
    SDL_Rect rect;
692
    int i;
693

    
694
    vp = &is->pictq[is->pictq_rindex];
695
    if (vp->bmp) {
696
#if CONFIG_AVFILTER
697
         if (vp->picref->video->pixel_aspect.num == 0)
698
             aspect_ratio = 0;
699
         else
700
             aspect_ratio = av_q2d(vp->picref->video->pixel_aspect);
701
#else
702

    
703
        /* XXX: use variable in the frame */
704
        if (is->video_st->sample_aspect_ratio.num)
705
            aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
706
        else if (is->video_st->codec->sample_aspect_ratio.num)
707
            aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
708
        else
709
            aspect_ratio = 0;
710
#endif
711
        if (aspect_ratio <= 0.0)
712
            aspect_ratio = 1.0;
713
        aspect_ratio *= (float)vp->width / (float)vp->height;
714
        /* if an active format is indicated, then it overrides the
715
           mpeg format */
716
#if 0
717
        if (is->video_st->codec->dtg_active_format != is->dtg_active_format) {
718
            is->dtg_active_format = is->video_st->codec->dtg_active_format;
719
            printf("dtg_active_format=%d\n", is->dtg_active_format);
720
        }
721
#endif
722
#if 0
723
        switch(is->video_st->codec->dtg_active_format) {
724
        case FF_DTG_AFD_SAME:
725
        default:
726
            /* nothing to do */
727
            break;
728
        case FF_DTG_AFD_4_3:
729
            aspect_ratio = 4.0 / 3.0;
730
            break;
731
        case FF_DTG_AFD_16_9:
732
            aspect_ratio = 16.0 / 9.0;
733
            break;
734
        case FF_DTG_AFD_14_9:
735
            aspect_ratio = 14.0 / 9.0;
736
            break;
737
        case FF_DTG_AFD_4_3_SP_14_9:
738
            aspect_ratio = 14.0 / 9.0;
739
            break;
740
        case FF_DTG_AFD_16_9_SP_14_9:
741
            aspect_ratio = 14.0 / 9.0;
742
            break;
743
        case FF_DTG_AFD_SP_4_3:
744
            aspect_ratio = 4.0 / 3.0;
745
            break;
746
        }
747
#endif
748

    
749
        if (is->subtitle_st)
750
        {
751
            if (is->subpq_size > 0)
752
            {
753
                sp = &is->subpq[is->subpq_rindex];
754

    
755
                if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
756
                {
757
                    SDL_LockYUVOverlay (vp->bmp);
758

    
759
                    pict.data[0] = vp->bmp->pixels[0];
760
                    pict.data[1] = vp->bmp->pixels[2];
761
                    pict.data[2] = vp->bmp->pixels[1];
762

    
763
                    pict.linesize[0] = vp->bmp->pitches[0];
764
                    pict.linesize[1] = vp->bmp->pitches[2];
765
                    pict.linesize[2] = vp->bmp->pitches[1];
766

    
767
                    for (i = 0; i < sp->sub.num_rects; i++)
768
                        blend_subrect(&pict, sp->sub.rects[i],
769
                                      vp->bmp->w, vp->bmp->h);
770

    
771
                    SDL_UnlockYUVOverlay (vp->bmp);
772
                }
773
            }
774
        }
775

    
776

    
777
        /* XXX: we suppose the screen has a 1.0 pixel ratio */
778
        height = is->height;
779
        width = ((int)rint(height * aspect_ratio)) & ~1;
780
        if (width > is->width) {
781
            width = is->width;
782
            height = ((int)rint(width / aspect_ratio)) & ~1;
783
        }
784
        x = (is->width - width) / 2;
785
        y = (is->height - height) / 2;
786
        if (!is->no_background) {
787
            /* fill the background */
788
            //            fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
789
        } else {
790
            is->no_background = 0;
791
        }
792
        rect.x = is->xleft + x;
793
        rect.y = is->ytop  + y;
794
        rect.w = width;
795
        rect.h = height;
796
        SDL_DisplayYUVOverlay(vp->bmp, &rect);
797
    } else {
798
#if 0
799
        fill_rectangle(screen,
800
                       is->xleft, is->ytop, is->width, is->height,
801
                       QERGB(0x00, 0x00, 0x00));
802
#endif
803
    }
804
}
805

    
806
static inline int compute_mod(int a, int b)
807
{
808
    a = a % b;
809
    if (a >= 0)
810
        return a;
811
    else
812
        return a + b;
813
}
814

    
815
static void video_audio_display(VideoState *s)
816
{
817
    int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
818
    int ch, channels, h, h2, bgcolor, fgcolor;
819
    int16_t time_diff;
820
    int rdft_bits, nb_freq;
821

    
822
    for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
823
        ;
824
    nb_freq= 1<<(rdft_bits-1);
825

    
826
    /* compute display index : center on currently output samples */
827
    channels = s->audio_st->codec->channels;
828
    nb_display_channels = channels;
829
    if (!s->paused) {
830
        int data_used= s->show_audio==1 ? s->width : (2*nb_freq);
831
        n = 2 * channels;
832
        delay = audio_write_get_buf_size(s);
833
        delay /= n;
834

    
835
        /* to be more precise, we take into account the time spent since
836
           the last buffer computation */
837
        if (audio_callback_time) {
838
            time_diff = av_gettime() - audio_callback_time;
839
            delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
840
        }
841

    
842
        delay += 2*data_used;
843
        if (delay < data_used)
844
            delay = data_used;
845

    
846
        i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
847
        if(s->show_audio==1){
848
            h= INT_MIN;
849
            for(i=0; i<1000; i+=channels){
850
                int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
851
                int a= s->sample_array[idx];
852
                int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
853
                int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
854
                int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
855
                int score= a-d;
856
                if(h<score && (b^c)<0){
857
                    h= score;
858
                    i_start= idx;
859
                }
860
            }
861
        }
862

    
863
        s->last_i_start = i_start;
864
    } else {
865
        i_start = s->last_i_start;
866
    }
867

    
868
    bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
869
    if(s->show_audio==1){
870
        fill_rectangle(screen,
871
                       s->xleft, s->ytop, s->width, s->height,
872
                       bgcolor);
873

    
874
        fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
875

    
876
        /* total height for one channel */
877
        h = s->height / nb_display_channels;
878
        /* graph height / 2 */
879
        h2 = (h * 9) / 20;
880
        for(ch = 0;ch < nb_display_channels; ch++) {
881
            i = i_start + ch;
882
            y1 = s->ytop + ch * h + (h / 2); /* position of center line */
883
            for(x = 0; x < s->width; x++) {
884
                y = (s->sample_array[i] * h2) >> 15;
885
                if (y < 0) {
886
                    y = -y;
887
                    ys = y1 - y;
888
                } else {
889
                    ys = y1;
890
                }
891
                fill_rectangle(screen,
892
                               s->xleft + x, ys, 1, y,
893
                               fgcolor);
894
                i += channels;
895
                if (i >= SAMPLE_ARRAY_SIZE)
896
                    i -= SAMPLE_ARRAY_SIZE;
897
            }
898
        }
899

    
900
        fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
901

    
902
        for(ch = 1;ch < nb_display_channels; ch++) {
903
            y = s->ytop + ch * h;
904
            fill_rectangle(screen,
905
                           s->xleft, y, s->width, 1,
906
                           fgcolor);
907
        }
908
        SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
909
    }else{
910
        nb_display_channels= FFMIN(nb_display_channels, 2);
911
        if(rdft_bits != s->rdft_bits){
912
            av_rdft_end(s->rdft);
913
            av_free(s->rdft_data);
914
            s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
915
            s->rdft_bits= rdft_bits;
916
            s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));
917
        }
918
        {
919
            FFTSample *data[2];
920
            for(ch = 0;ch < nb_display_channels; ch++) {
921
                data[ch] = s->rdft_data + 2*nb_freq*ch;
922
                i = i_start + ch;
923
                for(x = 0; x < 2*nb_freq; x++) {
924
                    double w= (x-nb_freq)*(1.0/nb_freq);
925
                    data[ch][x]= s->sample_array[i]*(1.0-w*w);
926
                    i += channels;
927
                    if (i >= SAMPLE_ARRAY_SIZE)
928
                        i -= SAMPLE_ARRAY_SIZE;
929
                }
930
                av_rdft_calc(s->rdft, data[ch]);
931
            }
932
            //least efficient way to do this, we should of course directly access it but its more than fast enough
933
            for(y=0; y<s->height; y++){
934
                double w= 1/sqrt(nb_freq);
935
                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]));
936
                int b= (nb_display_channels == 2 ) ? sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0]
937
                       + data[1][2*y+1]*data[1][2*y+1])) : a;
938
                a= FFMIN(a,255);
939
                b= FFMIN(b,255);
940
                fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
941

    
942
                fill_rectangle(screen,
943
                            s->xpos, s->height-y, 1, 1,
944
                            fgcolor);
945
            }
946
        }
947
        SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
948
        s->xpos++;
949
        if(s->xpos >= s->width)
950
            s->xpos= s->xleft;
951
    }
952
}
953

    
954
static int video_open(VideoState *is){
955
    int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
956
    int w,h;
957

    
958
    if(is_full_screen) flags |= SDL_FULLSCREEN;
959
    else               flags |= SDL_RESIZABLE;
960

    
961
    if (is_full_screen && fs_screen_width) {
962
        w = fs_screen_width;
963
        h = fs_screen_height;
964
    } else if(!is_full_screen && screen_width){
965
        w = screen_width;
966
        h = screen_height;
967
#if CONFIG_AVFILTER
968
    }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
969
        w = is->out_video_filter->inputs[0]->w;
970
        h = is->out_video_filter->inputs[0]->h;
971
#else
972
    }else if (is->video_st && is->video_st->codec->width){
973
        w = is->video_st->codec->width;
974
        h = is->video_st->codec->height;
975
#endif
976
    } else {
977
        w = 640;
978
        h = 480;
979
    }
980
    if(screen && is->width == screen->w && screen->w == w
981
       && is->height== screen->h && screen->h == h)
982
        return 0;
983

    
984
#ifndef __APPLE__
985
    screen = SDL_SetVideoMode(w, h, 0, flags);
986
#else
987
    /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
988
    screen = SDL_SetVideoMode(w, h, 24, flags);
989
#endif
990
    if (!screen) {
991
        fprintf(stderr, "SDL: could not set video mode - exiting\n");
992
        return -1;
993
    }
994
    if (!window_title)
995
        window_title = input_filename;
996
    SDL_WM_SetCaption(window_title, window_title);
997

    
998
    is->width = screen->w;
999
    is->height = screen->h;
1000

    
1001
    return 0;
1002
}
1003

    
1004
/* display the current picture, if any */
1005
static void video_display(VideoState *is)
1006
{
1007
    if(!screen)
1008
        video_open(cur_stream);
1009
    if (is->audio_st && is->show_audio)
1010
        video_audio_display(is);
1011
    else if (is->video_st)
1012
        video_image_display(is);
1013
}
1014

    
1015
static int refresh_thread(void *opaque)
1016
{
1017
    VideoState *is= opaque;
1018
    while(!is->abort_request){
1019
    SDL_Event event;
1020
    event.type = FF_REFRESH_EVENT;
1021
    event.user.data1 = opaque;
1022
        if(!is->refresh){
1023
            is->refresh=1;
1024
    SDL_PushEvent(&event);
1025
        }
1026
        usleep(is->audio_st && is->show_audio ? rdftspeed*1000 : 5000); //FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
1027
    }
1028
    return 0;
1029
}
1030

    
1031
/* get the current audio clock value */
1032
static double get_audio_clock(VideoState *is)
1033
{
1034
    double pts;
1035
    int hw_buf_size, bytes_per_sec;
1036
    pts = is->audio_clock;
1037
    hw_buf_size = audio_write_get_buf_size(is);
1038
    bytes_per_sec = 0;
1039
    if (is->audio_st) {
1040
        bytes_per_sec = is->audio_st->codec->sample_rate *
1041
            2 * is->audio_st->codec->channels;
1042
    }
1043
    if (bytes_per_sec)
1044
        pts -= (double)hw_buf_size / bytes_per_sec;
1045
    return pts;
1046
}
1047

    
1048
/* get the current video clock value */
1049
static double get_video_clock(VideoState *is)
1050
{
1051
    if (is->paused) {
1052
        return is->video_current_pts;
1053
    } else {
1054
        return is->video_current_pts_drift + av_gettime() / 1000000.0;
1055
    }
1056
}
1057

    
1058
/* get the current external clock value */
1059
static double get_external_clock(VideoState *is)
1060
{
1061
    int64_t ti;
1062
    ti = av_gettime();
1063
    return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
1064
}
1065

    
1066
/* get the current master clock value */
1067
static double get_master_clock(VideoState *is)
1068
{
1069
    double val;
1070

    
1071
    if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
1072
        if (is->video_st)
1073
            val = get_video_clock(is);
1074
        else
1075
            val = get_audio_clock(is);
1076
    } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
1077
        if (is->audio_st)
1078
            val = get_audio_clock(is);
1079
        else
1080
            val = get_video_clock(is);
1081
    } else {
1082
        val = get_external_clock(is);
1083
    }
1084
    return val;
1085
}
1086

    
1087
/* seek in the stream */
1088
static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
1089
{
1090
    if (!is->seek_req) {
1091
        is->seek_pos = pos;
1092
        is->seek_rel = rel;
1093
        is->seek_flags &= ~AVSEEK_FLAG_BYTE;
1094
        if (seek_by_bytes)
1095
            is->seek_flags |= AVSEEK_FLAG_BYTE;
1096
        is->seek_req = 1;
1097
    }
1098
}
1099

    
1100
/* pause or resume the video */
1101
static void stream_pause(VideoState *is)
1102
{
1103
    if (is->paused) {
1104
        is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
1105
        if(is->read_pause_return != AVERROR(ENOSYS)){
1106
            is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
1107
        }
1108
        is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
1109
    }
1110
    is->paused = !is->paused;
1111
}
1112

    
1113
static double compute_target_time(double frame_current_pts, VideoState *is)
1114
{
1115
    double delay, sync_threshold, diff;
1116

    
1117
    /* compute nominal delay */
1118
    delay = frame_current_pts - is->frame_last_pts;
1119
    if (delay <= 0 || delay >= 10.0) {
1120
        /* if incorrect delay, use previous one */
1121
        delay = is->frame_last_delay;
1122
    } else {
1123
        is->frame_last_delay = delay;
1124
    }
1125
    is->frame_last_pts = frame_current_pts;
1126

    
1127
    /* update delay to follow master synchronisation source */
1128
    if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1129
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1130
        /* if video is slave, we try to correct big delays by
1131
           duplicating or deleting a frame */
1132
        diff = get_video_clock(is) - get_master_clock(is);
1133

    
1134
        /* skip or repeat frame. We take into account the
1135
           delay to compute the threshold. I still don't know
1136
           if it is the best guess */
1137
        sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
1138
        if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1139
            if (diff <= -sync_threshold)
1140
                delay = 0;
1141
            else if (diff >= sync_threshold)
1142
                delay = 2 * delay;
1143
        }
1144
    }
1145
    is->frame_timer += delay;
1146
#if defined(DEBUG_SYNC)
1147
    printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1148
            delay, actual_delay, frame_current_pts, -diff);
1149
#endif
1150

    
1151
    return is->frame_timer;
1152
}
1153

    
1154
/* called to display each frame */
1155
static void video_refresh_timer(void *opaque)
1156
{
1157
    VideoState *is = opaque;
1158
    VideoPicture *vp;
1159

    
1160
    SubPicture *sp, *sp2;
1161

    
1162
    if (is->video_st) {
1163
retry:
1164
        if (is->pictq_size == 0) {
1165
            //nothing to do, no picture to display in the que
1166
        } else {
1167
            double time= av_gettime()/1000000.0;
1168
            double next_target;
1169
            /* dequeue the picture */
1170
            vp = &is->pictq[is->pictq_rindex];
1171

    
1172
            if(time < vp->target_clock)
1173
                return;
1174
            /* update current video pts */
1175
            is->video_current_pts = vp->pts;
1176
            is->video_current_pts_drift = is->video_current_pts - time;
1177
            is->video_current_pos = vp->pos;
1178
            if(is->pictq_size > 1){
1179
                VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
1180
                assert(nextvp->target_clock >= vp->target_clock);
1181
                next_target= nextvp->target_clock;
1182
            }else{
1183
                next_target= vp->target_clock + is->video_clock - vp->pts; //FIXME pass durations cleanly
1184
            }
1185
            if(framedrop && time > next_target){
1186
                is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR;
1187
                if(is->pictq_size > 1 || time > next_target + 0.5){
1188
                    /* update queue size and signal for next picture */
1189
                    if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1190
                        is->pictq_rindex = 0;
1191

    
1192
                    SDL_LockMutex(is->pictq_mutex);
1193
                    is->pictq_size--;
1194
                    SDL_CondSignal(is->pictq_cond);
1195
                    SDL_UnlockMutex(is->pictq_mutex);
1196
                    goto retry;
1197
                }
1198
            }
1199

    
1200
            if(is->subtitle_st) {
1201
                if (is->subtitle_stream_changed) {
1202
                    SDL_LockMutex(is->subpq_mutex);
1203

    
1204
                    while (is->subpq_size) {
1205
                        free_subpicture(&is->subpq[is->subpq_rindex]);
1206

    
1207
                        /* update queue size and signal for next picture */
1208
                        if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1209
                            is->subpq_rindex = 0;
1210

    
1211
                        is->subpq_size--;
1212
                    }
1213
                    is->subtitle_stream_changed = 0;
1214

    
1215
                    SDL_CondSignal(is->subpq_cond);
1216
                    SDL_UnlockMutex(is->subpq_mutex);
1217
                } else {
1218
                    if (is->subpq_size > 0) {
1219
                        sp = &is->subpq[is->subpq_rindex];
1220

    
1221
                        if (is->subpq_size > 1)
1222
                            sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1223
                        else
1224
                            sp2 = NULL;
1225

    
1226
                        if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1227
                                || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1228
                        {
1229
                            free_subpicture(sp);
1230

    
1231
                            /* update queue size and signal for next picture */
1232
                            if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1233
                                is->subpq_rindex = 0;
1234

    
1235
                            SDL_LockMutex(is->subpq_mutex);
1236
                            is->subpq_size--;
1237
                            SDL_CondSignal(is->subpq_cond);
1238
                            SDL_UnlockMutex(is->subpq_mutex);
1239
                        }
1240
                    }
1241
                }
1242
            }
1243

    
1244
            /* display picture */
1245
            video_display(is);
1246

    
1247
            /* update queue size and signal for next picture */
1248
            if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1249
                is->pictq_rindex = 0;
1250

    
1251
            SDL_LockMutex(is->pictq_mutex);
1252
            is->pictq_size--;
1253
            SDL_CondSignal(is->pictq_cond);
1254
            SDL_UnlockMutex(is->pictq_mutex);
1255
        }
1256
    } else if (is->audio_st) {
1257
        /* draw the next audio frame */
1258

    
1259
        /* if only audio stream, then display the audio bars (better
1260
           than nothing, just to test the implementation */
1261

    
1262
        /* display picture */
1263
        video_display(is);
1264
    }
1265
    if (show_status) {
1266
        static int64_t last_time;
1267
        int64_t cur_time;
1268
        int aqsize, vqsize, sqsize;
1269
        double av_diff;
1270

    
1271
        cur_time = av_gettime();
1272
        if (!last_time || (cur_time - last_time) >= 30000) {
1273
            aqsize = 0;
1274
            vqsize = 0;
1275
            sqsize = 0;
1276
            if (is->audio_st)
1277
                aqsize = is->audioq.size;
1278
            if (is->video_st)
1279
                vqsize = is->videoq.size;
1280
            if (is->subtitle_st)
1281
                sqsize = is->subtitleq.size;
1282
            av_diff = 0;
1283
            if (is->audio_st && is->video_st)
1284
                av_diff = get_audio_clock(is) - get_video_clock(is);
1285
            printf("%7.2f A-V:%7.3f s:%3.1f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64"   \r",
1286
                   get_master_clock(is), av_diff, FFMAX(is->skip_frames-1, 0), aqsize / 1024, vqsize / 1024, sqsize, is->pts_ctx.num_faulty_dts, is->pts_ctx.num_faulty_pts);
1287
            fflush(stdout);
1288
            last_time = cur_time;
1289
        }
1290
    }
1291
}
1292

    
1293
static void stream_close(VideoState *is)
1294
{
1295
    VideoPicture *vp;
1296
    int i;
1297
    /* XXX: use a special url_shutdown call to abort parse cleanly */
1298
    is->abort_request = 1;
1299
    SDL_WaitThread(is->parse_tid, NULL);
1300
    SDL_WaitThread(is->refresh_tid, NULL);
1301

    
1302
    /* free all pictures */
1303
    for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
1304
        vp = &is->pictq[i];
1305
#if CONFIG_AVFILTER
1306
        if (vp->picref) {
1307
            avfilter_unref_buffer(vp->picref);
1308
            vp->picref = NULL;
1309
        }
1310
#endif
1311
        if (vp->bmp) {
1312
            SDL_FreeYUVOverlay(vp->bmp);
1313
            vp->bmp = NULL;
1314
        }
1315
    }
1316
    SDL_DestroyMutex(is->pictq_mutex);
1317
    SDL_DestroyCond(is->pictq_cond);
1318
    SDL_DestroyMutex(is->subpq_mutex);
1319
    SDL_DestroyCond(is->subpq_cond);
1320
#if !CONFIG_AVFILTER
1321
    if (is->img_convert_ctx)
1322
        sws_freeContext(is->img_convert_ctx);
1323
#endif
1324
    av_free(is);
1325
}
1326

    
1327
static void do_exit(void)
1328
{
1329
    if (cur_stream) {
1330
        stream_close(cur_stream);
1331
        cur_stream = NULL;
1332
    }
1333
    uninit_opts();
1334
#if CONFIG_AVFILTER
1335
    avfilter_uninit();
1336
#endif
1337
    if (show_status)
1338
        printf("\n");
1339
    SDL_Quit();
1340
    av_log(NULL, AV_LOG_QUIET, "");
1341
    exit(0);
1342
}
1343

    
1344
/* allocate a picture (needs to do that in main thread to avoid
1345
   potential locking problems */
1346
static void alloc_picture(void *opaque)
1347
{
1348
    VideoState *is = opaque;
1349
    VideoPicture *vp;
1350

    
1351
    vp = &is->pictq[is->pictq_windex];
1352

    
1353
    if (vp->bmp)
1354
        SDL_FreeYUVOverlay(vp->bmp);
1355

    
1356
#if CONFIG_AVFILTER
1357
    if (vp->picref)
1358
        avfilter_unref_buffer(vp->picref);
1359
    vp->picref = NULL;
1360

    
1361
    vp->width   = is->out_video_filter->inputs[0]->w;
1362
    vp->height  = is->out_video_filter->inputs[0]->h;
1363
    vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1364
#else
1365
    vp->width   = is->video_st->codec->width;
1366
    vp->height  = is->video_st->codec->height;
1367
    vp->pix_fmt = is->video_st->codec->pix_fmt;
1368
#endif
1369

    
1370
    vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
1371
                                   SDL_YV12_OVERLAY,
1372
                                   screen);
1373
    if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
1374
        /* SDL allocates a buffer smaller than requested if the video
1375
         * overlay hardware is unable to support the requested size. */
1376
        fprintf(stderr, "Error: the video system does not support an image\n"
1377
                        "size of %dx%d pixels. Try using -lowres or -vf \"scale=w:h\"\n"
1378
                        "to reduce the image size.\n", vp->width, vp->height );
1379
        do_exit();
1380
    }
1381

    
1382
    SDL_LockMutex(is->pictq_mutex);
1383
    vp->allocated = 1;
1384
    SDL_CondSignal(is->pictq_cond);
1385
    SDL_UnlockMutex(is->pictq_mutex);
1386
}
1387

    
1388
/**
1389
 *
1390
 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1391
 */
1392
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
1393
{
1394
    VideoPicture *vp;
1395
    int dst_pix_fmt;
1396
#if CONFIG_AVFILTER
1397
    AVPicture pict_src;
1398
#endif
1399
    /* wait until we have space to put a new picture */
1400
    SDL_LockMutex(is->pictq_mutex);
1401

    
1402
    if(is->pictq_size>=VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
1403
        is->skip_frames= FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0-FRAME_SKIP_FACTOR));
1404

    
1405
    while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1406
           !is->videoq.abort_request) {
1407
        SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1408
    }
1409
    SDL_UnlockMutex(is->pictq_mutex);
1410

    
1411
    if (is->videoq.abort_request)
1412
        return -1;
1413

    
1414
    vp = &is->pictq[is->pictq_windex];
1415

    
1416
    /* alloc or resize hardware picture buffer */
1417
    if (!vp->bmp ||
1418
#if CONFIG_AVFILTER
1419
        vp->width  != is->out_video_filter->inputs[0]->w ||
1420
        vp->height != is->out_video_filter->inputs[0]->h) {
1421
#else
1422
        vp->width != is->video_st->codec->width ||
1423
        vp->height != is->video_st->codec->height) {
1424
#endif
1425
        SDL_Event event;
1426

    
1427
        vp->allocated = 0;
1428

    
1429
        /* the allocation must be done in the main thread to avoid
1430
           locking problems */
1431
        event.type = FF_ALLOC_EVENT;
1432
        event.user.data1 = is;
1433
        SDL_PushEvent(&event);
1434

    
1435
        /* wait until the picture is allocated */
1436
        SDL_LockMutex(is->pictq_mutex);
1437
        while (!vp->allocated && !is->videoq.abort_request) {
1438
            SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1439
        }
1440
        SDL_UnlockMutex(is->pictq_mutex);
1441

    
1442
        if (is->videoq.abort_request)
1443
            return -1;
1444
    }
1445

    
1446
    /* if the frame is not skipped, then display it */
1447
    if (vp->bmp) {
1448
        AVPicture pict;
1449
#if CONFIG_AVFILTER
1450
        if(vp->picref)
1451
            avfilter_unref_buffer(vp->picref);
1452
        vp->picref = src_frame->opaque;
1453
#endif
1454

    
1455
        /* get a pointer on the bitmap */
1456
        SDL_LockYUVOverlay (vp->bmp);
1457

    
1458
        dst_pix_fmt = PIX_FMT_YUV420P;
1459
        memset(&pict,0,sizeof(AVPicture));
1460
        pict.data[0] = vp->bmp->pixels[0];
1461
        pict.data[1] = vp->bmp->pixels[2];
1462
        pict.data[2] = vp->bmp->pixels[1];
1463

    
1464
        pict.linesize[0] = vp->bmp->pitches[0];
1465
        pict.linesize[1] = vp->bmp->pitches[2];
1466
        pict.linesize[2] = vp->bmp->pitches[1];
1467

    
1468
#if CONFIG_AVFILTER
1469
        pict_src.data[0] = src_frame->data[0];
1470
        pict_src.data[1] = src_frame->data[1];
1471
        pict_src.data[2] = src_frame->data[2];
1472

    
1473
        pict_src.linesize[0] = src_frame->linesize[0];
1474
        pict_src.linesize[1] = src_frame->linesize[1];
1475
        pict_src.linesize[2] = src_frame->linesize[2];
1476

    
1477
        //FIXME use direct rendering
1478
        av_picture_copy(&pict, &pict_src,
1479
                        vp->pix_fmt, vp->width, vp->height);
1480
#else
1481
        sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1482
        is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
1483
            vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
1484
            dst_pix_fmt, sws_flags, NULL, NULL, NULL);
1485
        if (is->img_convert_ctx == NULL) {
1486
            fprintf(stderr, "Cannot initialize the conversion context\n");
1487
            exit(1);
1488
        }
1489
        sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
1490
                  0, vp->height, pict.data, pict.linesize);
1491
#endif
1492
        /* update the bitmap content */
1493
        SDL_UnlockYUVOverlay(vp->bmp);
1494

    
1495
        vp->pts = pts;
1496
        vp->pos = pos;
1497

    
1498
        /* now we can update the picture count */
1499
        if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1500
            is->pictq_windex = 0;
1501
        SDL_LockMutex(is->pictq_mutex);
1502
        vp->target_clock= compute_target_time(vp->pts, is);
1503

    
1504
        is->pictq_size++;
1505
        SDL_UnlockMutex(is->pictq_mutex);
1506
    }
1507
    return 0;
1508
}
1509

    
1510
/**
1511
 * compute the exact PTS for the picture if it is omitted in the stream
1512
 * @param pts1 the dts of the pkt / pts of the frame
1513
 */
1514
static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
1515
{
1516
    double frame_delay, pts;
1517

    
1518
    pts = pts1;
1519

    
1520
    if (pts != 0) {
1521
        /* update video clock with pts, if present */
1522
        is->video_clock = pts;
1523
    } else {
1524
        pts = is->video_clock;
1525
    }
1526
    /* update video clock for next frame */
1527
    frame_delay = av_q2d(is->video_st->codec->time_base);
1528
    /* for MPEG2, the frame can be repeated, so we update the
1529
       clock accordingly */
1530
    frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
1531
    is->video_clock += frame_delay;
1532

    
1533
#if defined(DEBUG_SYNC) && 0
1534
    printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1535
           av_get_pict_type_char(src_frame->pict_type), pts, pts1);
1536
#endif
1537
    return queue_picture(is, src_frame, pts, pos);
1538
}
1539

    
1540
static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
1541
{
1542
    int len1, got_picture, i;
1543

    
1544
        if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1545
            return -1;
1546

    
1547
        if(pkt->data == flush_pkt.data){
1548
            avcodec_flush_buffers(is->video_st->codec);
1549

    
1550
            SDL_LockMutex(is->pictq_mutex);
1551
            //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1552
            for(i=0; i<VIDEO_PICTURE_QUEUE_SIZE; i++){
1553
                is->pictq[i].target_clock= 0;
1554
            }
1555
            while (is->pictq_size && !is->videoq.abort_request) {
1556
                SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1557
            }
1558
            is->video_current_pos= -1;
1559
            SDL_UnlockMutex(is->pictq_mutex);
1560

    
1561
            init_pts_correction(&is->pts_ctx);
1562
            is->frame_last_pts= AV_NOPTS_VALUE;
1563
            is->frame_last_delay = 0;
1564
            is->frame_timer = (double)av_gettime() / 1000000.0;
1565
            is->skip_frames= 1;
1566
            is->skip_frames_index= 0;
1567
            return 0;
1568
        }
1569

    
1570
        /* NOTE: ipts is the PTS of the _first_ picture beginning in
1571
           this packet, if any */
1572
        is->video_st->codec->reordered_opaque= pkt->pts;
1573
        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
                *pts = guess_correct_pts(&is->pts_ctx, frame->reordered_opaque, pkt->dts);
1580
            } else if (decoder_reorder_pts) {
1581
                *pts = frame->reordered_opaque;
1582
            } else {
1583
                *pts = pkt->dts;
1584
            }
1585

    
1586
            if (*pts == AV_NOPTS_VALUE) {
1587
                *pts = 0;
1588
            }
1589
        }
1590

    
1591
//            if (len1 < 0)
1592
//                break;
1593
    if (got_picture){
1594
        is->skip_frames_index += 1;
1595
        if(is->skip_frames_index >= is->skip_frames){
1596
            is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
1597
            return 1;
1598
        }
1599

    
1600
    }
1601
    return 0;
1602
}
1603

    
1604
#if CONFIG_AVFILTER
1605
typedef struct {
1606
    VideoState *is;
1607
    AVFrame *frame;
1608
    int use_dr1;
1609
} FilterPriv;
1610

    
1611
static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
1612
{
1613
    AVFilterContext *ctx = codec->opaque;
1614
    AVFilterBufferRef  *ref;
1615
    int perms = AV_PERM_WRITE;
1616
    int i, w, h, stride[4];
1617
    unsigned edge;
1618

    
1619
    if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
1620
        if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
1621
        if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
1622
        if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
1623
    }
1624
    if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
1625

    
1626
    w = codec->width;
1627
    h = codec->height;
1628
    avcodec_align_dimensions2(codec, &w, &h, stride);
1629
    edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
1630
    w += edge << 1;
1631
    h += edge << 1;
1632

    
1633
    if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
1634
        return -1;
1635

    
1636
    ref->video->w = codec->width;
1637
    ref->video->h = codec->height;
1638
    for(i = 0; i < 4; i ++) {
1639
        unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
1640
        unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
1641

    
1642
        if (ref->data[i]) {
1643
            ref->data[i]    += (edge >> hshift) + ((edge * ref->linesize[i]) >> vshift);
1644
        }
1645
        pic->data[i]     = ref->data[i];
1646
        pic->linesize[i] = ref->linesize[i];
1647
    }
1648
    pic->opaque = ref;
1649
    pic->age    = INT_MAX;
1650
    pic->type   = FF_BUFFER_TYPE_USER;
1651
    pic->reordered_opaque = codec->reordered_opaque;
1652
    return 0;
1653
}
1654

    
1655
static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
1656
{
1657
    memset(pic->data, 0, sizeof(pic->data));
1658
    avfilter_unref_buffer(pic->opaque);
1659
}
1660

    
1661
static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
1662
{
1663
    AVFilterBufferRef *ref = pic->opaque;
1664

    
1665
    if (pic->data[0] == NULL) {
1666
        pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
1667
        return codec->get_buffer(codec, pic);
1668
    }
1669

    
1670
    if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
1671
        (codec->pix_fmt != ref->format)) {
1672
        av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
1673
        return -1;
1674
    }
1675

    
1676
    pic->reordered_opaque = codec->reordered_opaque;
1677
    return 0;
1678
}
1679

    
1680
static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1681
{
1682
    FilterPriv *priv = ctx->priv;
1683
    AVCodecContext *codec;
1684
    if(!opaque) return -1;
1685

    
1686
    priv->is = opaque;
1687
    codec    = priv->is->video_st->codec;
1688
    codec->opaque = ctx;
1689
    if(codec->codec->capabilities & CODEC_CAP_DR1) {
1690
        priv->use_dr1 = 1;
1691
        codec->get_buffer     = input_get_buffer;
1692
        codec->release_buffer = input_release_buffer;
1693
        codec->reget_buffer   = input_reget_buffer;
1694
    }
1695

    
1696
    priv->frame = avcodec_alloc_frame();
1697

    
1698
    return 0;
1699
}
1700

    
1701
static void input_uninit(AVFilterContext *ctx)
1702
{
1703
    FilterPriv *priv = ctx->priv;
1704
    av_free(priv->frame);
1705
}
1706

    
1707
static int input_request_frame(AVFilterLink *link)
1708
{
1709
    FilterPriv *priv = link->src->priv;
1710
    AVFilterBufferRef *picref;
1711
    int64_t pts = 0;
1712
    AVPacket pkt;
1713
    int ret;
1714

    
1715
    while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1716
        av_free_packet(&pkt);
1717
    if (ret < 0)
1718
        return -1;
1719

    
1720
    if(priv->use_dr1) {
1721
        picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
1722
    } else {
1723
        picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
1724
        av_image_copy(picref->data, picref->linesize,
1725
                      priv->frame->data, priv->frame->linesize,
1726
                      picref->format, link->w, link->h);
1727
    }
1728
    av_free_packet(&pkt);
1729

    
1730
    picref->pts = pts;
1731
    picref->pos = pkt.pos;
1732
    picref->video->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
1733
    avfilter_start_frame(link, picref);
1734
    avfilter_draw_slice(link, 0, link->h, 1);
1735
    avfilter_end_frame(link);
1736

    
1737
    return 0;
1738
}
1739

    
1740
static int input_query_formats(AVFilterContext *ctx)
1741
{
1742
    FilterPriv *priv = ctx->priv;
1743
    enum PixelFormat pix_fmts[] = {
1744
        priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1745
    };
1746

    
1747
    avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1748
    return 0;
1749
}
1750

    
1751
static int input_config_props(AVFilterLink *link)
1752
{
1753
    FilterPriv *priv  = link->src->priv;
1754
    AVCodecContext *c = priv->is->video_st->codec;
1755

    
1756
    link->w = c->width;
1757
    link->h = c->height;
1758
    link->time_base = priv->is->video_st->time_base;
1759

    
1760
    return 0;
1761
}
1762

    
1763
static AVFilter input_filter =
1764
{
1765
    .name      = "ffplay_input",
1766

    
1767
    .priv_size = sizeof(FilterPriv),
1768

    
1769
    .init      = input_init,
1770
    .uninit    = input_uninit,
1771

    
1772
    .query_formats = input_query_formats,
1773

    
1774
    .inputs    = (AVFilterPad[]) {{ .name = NULL }},
1775
    .outputs   = (AVFilterPad[]) {{ .name = "default",
1776
                                    .type = AVMEDIA_TYPE_VIDEO,
1777
                                    .request_frame = input_request_frame,
1778
                                    .config_props  = input_config_props, },
1779
                                  { .name = NULL }},
1780
};
1781

    
1782
#endif  /* CONFIG_AVFILTER */
1783

    
1784
static int video_thread(void *arg)
1785
{
1786
    VideoState *is = arg;
1787
    AVFrame *frame= avcodec_alloc_frame();
1788
    int64_t pts_int;
1789
    double pts;
1790
    int ret;
1791

    
1792
#if CONFIG_AVFILTER
1793
    int64_t pos;
1794
    char sws_flags_str[128];
1795
    FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
1796
    AVFilterContext *filt_src = NULL, *filt_out = NULL;
1797
    AVFilterGraph *graph = avfilter_graph_alloc();
1798
    snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
1799
    graph->scale_sws_opts = av_strdup(sws_flags_str);
1800

    
1801
    if (avfilter_graph_create_filter(&filt_src, &input_filter, "src",
1802
                                     NULL, is, graph) < 0)
1803
        goto the_end;
1804
    if (avfilter_graph_create_filter(&filt_out, &ffsink, "out",
1805
                                     NULL, &ffsink_ctx, graph) < 0)
1806
        goto the_end;
1807

    
1808
    if(vfilters) {
1809
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1810
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
1811

    
1812
        outputs->name    = av_strdup("in");
1813
        outputs->filter_ctx = filt_src;
1814
        outputs->pad_idx = 0;
1815
        outputs->next    = NULL;
1816

    
1817
        inputs->name    = av_strdup("out");
1818
        inputs->filter_ctx = filt_out;
1819
        inputs->pad_idx = 0;
1820
        inputs->next    = NULL;
1821

    
1822
        if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
1823
            goto the_end;
1824
        av_freep(&vfilters);
1825
    } else {
1826
        if(avfilter_link(filt_src, 0, filt_out, 0) < 0)          goto the_end;
1827
    }
1828

    
1829
    if (avfilter_graph_config(graph, NULL) < 0)
1830
        goto the_end;
1831

    
1832
    is->out_video_filter = filt_out;
1833
#endif
1834

    
1835
    for(;;) {
1836
#if !CONFIG_AVFILTER
1837
        AVPacket pkt;
1838
#else
1839
        AVFilterBufferRef *picref;
1840
        AVRational tb;
1841
#endif
1842
        while (is->paused && !is->videoq.abort_request)
1843
            SDL_Delay(10);
1844
#if CONFIG_AVFILTER
1845
        ret = get_filtered_video_frame(filt_out, frame, &picref, &tb);
1846
        if (picref) {
1847
            pts_int = picref->pts;
1848
            pos     = picref->pos;
1849
            frame->opaque = picref;
1850
        }
1851

    
1852
        if (av_cmp_q(tb, is->video_st->time_base)) {
1853
            int64_t pts1 = pts_int;
1854
            pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1855
            av_log(NULL, AV_LOG_DEBUG, "video_thread(): "
1856
                   "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1857
                   tb.num, tb.den, pts1,
1858
                   is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1859
        }
1860
#else
1861
        ret = get_video_frame(is, frame, &pts_int, &pkt);
1862
#endif
1863

    
1864
        if (ret < 0) goto the_end;
1865

    
1866
        if (!ret)
1867
            continue;
1868

    
1869
        pts = pts_int*av_q2d(is->video_st->time_base);
1870

    
1871
#if CONFIG_AVFILTER
1872
        ret = output_picture2(is, frame, pts, pos);
1873
#else
1874
        ret = output_picture2(is, frame, pts,  pkt.pos);
1875
        av_free_packet(&pkt);
1876
#endif
1877
        if (ret < 0)
1878
            goto the_end;
1879

    
1880
        if (step)
1881
            if (cur_stream)
1882
                stream_pause(cur_stream);
1883
    }
1884
 the_end:
1885
#if CONFIG_AVFILTER
1886
    avfilter_graph_free(graph);
1887
    av_freep(&graph);
1888
#endif
1889
    av_free(frame);
1890
    return 0;
1891
}
1892

    
1893
static int subtitle_thread(void *arg)
1894
{
1895
    VideoState *is = arg;
1896
    SubPicture *sp;
1897
    AVPacket pkt1, *pkt = &pkt1;
1898
    int len1, got_subtitle;
1899
    double pts;
1900
    int i, j;
1901
    int r, g, b, y, u, v, a;
1902

    
1903
    for(;;) {
1904
        while (is->paused && !is->subtitleq.abort_request) {
1905
            SDL_Delay(10);
1906
        }
1907
        if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1908
            break;
1909

    
1910
        if(pkt->data == flush_pkt.data){
1911
            avcodec_flush_buffers(is->subtitle_st->codec);
1912
            continue;
1913
        }
1914
        SDL_LockMutex(is->subpq_mutex);
1915
        while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1916
               !is->subtitleq.abort_request) {
1917
            SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1918
        }
1919
        SDL_UnlockMutex(is->subpq_mutex);
1920

    
1921
        if (is->subtitleq.abort_request)
1922
            goto the_end;
1923

    
1924
        sp = &is->subpq[is->subpq_windex];
1925

    
1926
       /* NOTE: ipts is the PTS of the _first_ picture beginning in
1927
           this packet, if any */
1928
        pts = 0;
1929
        if (pkt->pts != AV_NOPTS_VALUE)
1930
            pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1931

    
1932
        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
1933
                                    &sp->sub, &got_subtitle,
1934
                                    pkt);
1935
//            if (len1 < 0)
1936
//                break;
1937
        if (got_subtitle && sp->sub.format == 0) {
1938
            sp->pts = pts;
1939

    
1940
            for (i = 0; i < sp->sub.num_rects; i++)
1941
            {
1942
                for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1943
                {
1944
                    RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1945
                    y = RGB_TO_Y_CCIR(r, g, b);
1946
                    u = RGB_TO_U_CCIR(r, g, b, 0);
1947
                    v = RGB_TO_V_CCIR(r, g, b, 0);
1948
                    YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1949
                }
1950
            }
1951

    
1952
            /* now we can update the picture count */
1953
            if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1954
                is->subpq_windex = 0;
1955
            SDL_LockMutex(is->subpq_mutex);
1956
            is->subpq_size++;
1957
            SDL_UnlockMutex(is->subpq_mutex);
1958
        }
1959
        av_free_packet(pkt);
1960
//        if (step)
1961
//            if (cur_stream)
1962
//                stream_pause(cur_stream);
1963
    }
1964
 the_end:
1965
    return 0;
1966
}
1967

    
1968
/* copy samples for viewing in editor window */
1969
static void update_sample_display(VideoState *is, short *samples, int samples_size)
1970
{
1971
    int size, len, channels;
1972

    
1973
    channels = is->audio_st->codec->channels;
1974

    
1975
    size = samples_size / sizeof(short);
1976
    while (size > 0) {
1977
        len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1978
        if (len > size)
1979
            len = size;
1980
        memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1981
        samples += len;
1982
        is->sample_array_index += len;
1983
        if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1984
            is->sample_array_index = 0;
1985
        size -= len;
1986
    }
1987
}
1988

    
1989
/* return the new audio buffer size (samples can be added or deleted
1990
   to get better sync if video or external master clock) */
1991
static int synchronize_audio(VideoState *is, short *samples,
1992
                             int samples_size1, double pts)
1993
{
1994
    int n, samples_size;
1995
    double ref_clock;
1996

    
1997
    n = 2 * is->audio_st->codec->channels;
1998
    samples_size = samples_size1;
1999

    
2000
    /* if not master, then we try to remove or add samples to correct the clock */
2001
    if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
2002
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
2003
        double diff, avg_diff;
2004
        int wanted_size, min_size, max_size, nb_samples;
2005

    
2006
        ref_clock = get_master_clock(is);
2007
        diff = get_audio_clock(is) - ref_clock;
2008

    
2009
        if (diff < AV_NOSYNC_THRESHOLD) {
2010
            is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
2011
            if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
2012
                /* not enough measures to have a correct estimate */
2013
                is->audio_diff_avg_count++;
2014
            } else {
2015
                /* estimate the A-V difference */
2016
                avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
2017

    
2018
                if (fabs(avg_diff) >= is->audio_diff_threshold) {
2019
                    wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
2020
                    nb_samples = samples_size / n;
2021

    
2022
                    min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2023
                    max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2024
                    if (wanted_size < min_size)
2025
                        wanted_size = min_size;
2026
                    else if (wanted_size > max_size)
2027
                        wanted_size = max_size;
2028

    
2029
                    /* add or remove samples to correction the synchro */
2030
                    if (wanted_size < samples_size) {
2031
                        /* remove samples */
2032
                        samples_size = wanted_size;
2033
                    } else if (wanted_size > samples_size) {
2034
                        uint8_t *samples_end, *q;
2035
                        int nb;
2036

    
2037
                        /* add samples */
2038
                        nb = (samples_size - wanted_size);
2039
                        samples_end = (uint8_t *)samples + samples_size - n;
2040
                        q = samples_end + n;
2041
                        while (nb > 0) {
2042
                            memcpy(q, samples_end, n);
2043
                            q += n;
2044
                            nb -= n;
2045
                        }
2046
                        samples_size = wanted_size;
2047
                    }
2048
                }
2049
#if 0
2050
                printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
2051
                       diff, avg_diff, samples_size - samples_size1,
2052
                       is->audio_clock, is->video_clock, is->audio_diff_threshold);
2053
#endif
2054
            }
2055
        } else {
2056
            /* too big difference : may be initial PTS errors, so
2057
               reset A-V filter */
2058
            is->audio_diff_avg_count = 0;
2059
            is->audio_diff_cum = 0;
2060
        }
2061
    }
2062

    
2063
    return samples_size;
2064
}
2065

    
2066
/* decode one audio frame and returns its uncompressed size */
2067
static int audio_decode_frame(VideoState *is, double *pts_ptr)
2068
{
2069
    AVPacket *pkt_temp = &is->audio_pkt_temp;
2070
    AVPacket *pkt = &is->audio_pkt;
2071
    AVCodecContext *dec= is->audio_st->codec;
2072
    int n, len1, data_size;
2073
    double pts;
2074

    
2075
    for(;;) {
2076
        /* NOTE: the audio packet can contain several frames */
2077
        while (pkt_temp->size > 0) {
2078
            data_size = sizeof(is->audio_buf1);
2079
            len1 = avcodec_decode_audio3(dec,
2080
                                        (int16_t *)is->audio_buf1, &data_size,
2081
                                        pkt_temp);
2082
            if (len1 < 0) {
2083
                /* if error, we skip the frame */
2084
                pkt_temp->size = 0;
2085
                break;
2086
            }
2087

    
2088
            pkt_temp->data += len1;
2089
            pkt_temp->size -= len1;
2090
            if (data_size <= 0)
2091
                continue;
2092

    
2093
            if (dec->sample_fmt != is->audio_src_fmt) {
2094
                if (is->reformat_ctx)
2095
                    av_audio_convert_free(is->reformat_ctx);
2096
                is->reformat_ctx= av_audio_convert_alloc(AV_SAMPLE_FMT_S16, 1,
2097
                                                         dec->sample_fmt, 1, NULL, 0);
2098
                if (!is->reformat_ctx) {
2099
                    fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
2100
                        av_get_sample_fmt_name(dec->sample_fmt),
2101
                        av_get_sample_fmt_name(AV_SAMPLE_FMT_S16));
2102
                        break;
2103
                }
2104
                is->audio_src_fmt= dec->sample_fmt;
2105
            }
2106

    
2107
            if (is->reformat_ctx) {
2108
                const void *ibuf[6]= {is->audio_buf1};
2109
                void *obuf[6]= {is->audio_buf2};
2110
                int istride[6]= {av_get_bits_per_sample_fmt(dec->sample_fmt)/8};
2111
                int ostride[6]= {2};
2112
                int len= data_size/istride[0];
2113
                if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2114
                    printf("av_audio_convert() failed\n");
2115
                    break;
2116
                }
2117
                is->audio_buf= is->audio_buf2;
2118
                /* FIXME: existing code assume that data_size equals framesize*channels*2
2119
                          remove this legacy cruft */
2120
                data_size= len*2;
2121
            }else{
2122
                is->audio_buf= is->audio_buf1;
2123
            }
2124

    
2125
            /* if no pts, then compute it */
2126
            pts = is->audio_clock;
2127
            *pts_ptr = pts;
2128
            n = 2 * dec->channels;
2129
            is->audio_clock += (double)data_size /
2130
                (double)(n * dec->sample_rate);
2131
#if defined(DEBUG_SYNC)
2132
            {
2133
                static double last_clock;
2134
                printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2135
                       is->audio_clock - last_clock,
2136
                       is->audio_clock, pts);
2137
                last_clock = is->audio_clock;
2138
            }
2139
#endif
2140
            return data_size;
2141
        }
2142

    
2143
        /* free the current packet */
2144
        if (pkt->data)
2145
            av_free_packet(pkt);
2146

    
2147
        if (is->paused || is->audioq.abort_request) {
2148
            return -1;
2149
        }
2150

    
2151
        /* read next packet */
2152
        if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2153
            return -1;
2154
        if(pkt->data == flush_pkt.data){
2155
            avcodec_flush_buffers(dec);
2156
            continue;
2157
        }
2158

    
2159
        pkt_temp->data = pkt->data;
2160
        pkt_temp->size = pkt->size;
2161

    
2162
        /* if update the audio clock with the pts */
2163
        if (pkt->pts != AV_NOPTS_VALUE) {
2164
            is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2165
        }
2166
    }
2167
}
2168

    
2169
/* get the current audio output buffer size, in samples. With SDL, we
2170
   cannot have a precise information */
2171
static int audio_write_get_buf_size(VideoState *is)
2172
{
2173
    return is->audio_buf_size - is->audio_buf_index;
2174
}
2175

    
2176

    
2177
/* prepare a new audio buffer */
2178
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2179
{
2180
    VideoState *is = opaque;
2181
    int audio_size, len1;
2182
    double pts;
2183

    
2184
    audio_callback_time = av_gettime();
2185

    
2186
    while (len > 0) {
2187
        if (is->audio_buf_index >= is->audio_buf_size) {
2188
           audio_size = audio_decode_frame(is, &pts);
2189
           if (audio_size < 0) {
2190
                /* if error, just output silence */
2191
               is->audio_buf = is->audio_buf1;
2192
               is->audio_buf_size = 1024;
2193
               memset(is->audio_buf, 0, is->audio_buf_size);
2194
           } else {
2195
               if (is->show_audio)
2196
                   update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2197
               audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2198
                                              pts);
2199
               is->audio_buf_size = audio_size;
2200
           }
2201
           is->audio_buf_index = 0;
2202
        }
2203
        len1 = is->audio_buf_size - is->audio_buf_index;
2204
        if (len1 > len)
2205
            len1 = len;
2206
        memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2207
        len -= len1;
2208
        stream += len1;
2209
        is->audio_buf_index += len1;
2210
    }
2211
}
2212

    
2213
/* open a given stream. Return 0 if OK */
2214
static int stream_component_open(VideoState *is, int stream_index)
2215
{
2216
    AVFormatContext *ic = is->ic;
2217
    AVCodecContext *avctx;
2218
    AVCodec *codec;
2219
    SDL_AudioSpec wanted_spec, spec;
2220

    
2221
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2222
        return -1;
2223
    avctx = ic->streams[stream_index]->codec;
2224

    
2225
    /* prepare audio output */
2226
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2227
        if (avctx->channels > 0) {
2228
            avctx->request_channels = FFMIN(2, avctx->channels);
2229
        } else {
2230
            avctx->request_channels = 2;
2231
        }
2232
    }
2233

    
2234
    codec = avcodec_find_decoder(avctx->codec_id);
2235
    avctx->debug_mv = debug_mv;
2236
    avctx->debug = debug;
2237
    avctx->workaround_bugs = workaround_bugs;
2238
    avctx->lowres = lowres;
2239
    if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2240
    avctx->idct_algo= idct;
2241
    if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2242
    avctx->skip_frame= skip_frame;
2243
    avctx->skip_idct= skip_idct;
2244
    avctx->skip_loop_filter= skip_loop_filter;
2245
    avctx->error_recognition= error_recognition;
2246
    avctx->error_concealment= error_concealment;
2247
    avcodec_thread_init(avctx, thread_count);
2248

    
2249
    set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
2250

    
2251
    if (!codec ||
2252
        avcodec_open(avctx, codec) < 0)
2253
        return -1;
2254

    
2255
    /* prepare audio output */
2256
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2257
        wanted_spec.freq = avctx->sample_rate;
2258
        wanted_spec.format = AUDIO_S16SYS;
2259
        wanted_spec.channels = avctx->channels;
2260
        wanted_spec.silence = 0;
2261
        wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2262
        wanted_spec.callback = sdl_audio_callback;
2263
        wanted_spec.userdata = is;
2264
        if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2265
            fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2266
            return -1;
2267
        }
2268
        is->audio_hw_buf_size = spec.size;
2269
        is->audio_src_fmt= AV_SAMPLE_FMT_S16;
2270
    }
2271

    
2272
    ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2273
    switch(avctx->codec_type) {
2274
    case AVMEDIA_TYPE_AUDIO:
2275
        is->audio_stream = stream_index;
2276
        is->audio_st = ic->streams[stream_index];
2277
        is->audio_buf_size = 0;
2278
        is->audio_buf_index = 0;
2279

    
2280
        /* init averaging filter */
2281
        is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2282
        is->audio_diff_avg_count = 0;
2283
        /* since we do not have a precise anough audio fifo fullness,
2284
           we correct audio sync only if larger than this threshold */
2285
        is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
2286

    
2287
        memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2288
        packet_queue_init(&is->audioq);
2289
        SDL_PauseAudio(0);
2290
        break;
2291
    case AVMEDIA_TYPE_VIDEO:
2292
        is->video_stream = stream_index;
2293
        is->video_st = ic->streams[stream_index];
2294

    
2295
//        is->video_current_pts_time = av_gettime();
2296

    
2297
        packet_queue_init(&is->videoq);
2298
        is->video_tid = SDL_CreateThread(video_thread, is);
2299
        break;
2300
    case AVMEDIA_TYPE_SUBTITLE:
2301
        is->subtitle_stream = stream_index;
2302
        is->subtitle_st = ic->streams[stream_index];
2303
        packet_queue_init(&is->subtitleq);
2304

    
2305
        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2306
        break;
2307
    default:
2308
        break;
2309
    }
2310
    return 0;
2311
}
2312

    
2313
static void stream_component_close(VideoState *is, int stream_index)
2314
{
2315
    AVFormatContext *ic = is->ic;
2316
    AVCodecContext *avctx;
2317

    
2318
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2319
        return;
2320
    avctx = ic->streams[stream_index]->codec;
2321

    
2322
    switch(avctx->codec_type) {
2323
    case AVMEDIA_TYPE_AUDIO:
2324
        packet_queue_abort(&is->audioq);
2325

    
2326
        SDL_CloseAudio();
2327

    
2328
        packet_queue_end(&is->audioq);
2329
        if (is->reformat_ctx)
2330
            av_audio_convert_free(is->reformat_ctx);
2331
        is->reformat_ctx = NULL;
2332
        break;
2333
    case AVMEDIA_TYPE_VIDEO:
2334
        packet_queue_abort(&is->videoq);
2335

    
2336
        /* note: we also signal this mutex to make sure we deblock the
2337
           video thread in all cases */
2338
        SDL_LockMutex(is->pictq_mutex);
2339
        SDL_CondSignal(is->pictq_cond);
2340
        SDL_UnlockMutex(is->pictq_mutex);
2341

    
2342
        SDL_WaitThread(is->video_tid, NULL);
2343

    
2344
        packet_queue_end(&is->videoq);
2345
        break;
2346
    case AVMEDIA_TYPE_SUBTITLE:
2347
        packet_queue_abort(&is->subtitleq);
2348

    
2349
        /* note: we also signal this mutex to make sure we deblock the
2350
           video thread in all cases */
2351
        SDL_LockMutex(is->subpq_mutex);
2352
        is->subtitle_stream_changed = 1;
2353

    
2354
        SDL_CondSignal(is->subpq_cond);
2355
        SDL_UnlockMutex(is->subpq_mutex);
2356

    
2357
        SDL_WaitThread(is->subtitle_tid, NULL);
2358

    
2359
        packet_queue_end(&is->subtitleq);
2360
        break;
2361
    default:
2362
        break;
2363
    }
2364

    
2365
    ic->streams[stream_index]->discard = AVDISCARD_ALL;
2366
    avcodec_close(avctx);
2367
    switch(avctx->codec_type) {
2368
    case AVMEDIA_TYPE_AUDIO:
2369
        is->audio_st = NULL;
2370
        is->audio_stream = -1;
2371
        break;
2372
    case AVMEDIA_TYPE_VIDEO:
2373
        is->video_st = NULL;
2374
        is->video_stream = -1;
2375
        break;
2376
    case AVMEDIA_TYPE_SUBTITLE:
2377
        is->subtitle_st = NULL;
2378
        is->subtitle_stream = -1;
2379
        break;
2380
    default:
2381
        break;
2382
    }
2383
}
2384

    
2385
/* since we have only one decoding thread, we can use a global
2386
   variable instead of a thread local variable */
2387
static VideoState *global_video_state;
2388

    
2389
static int decode_interrupt_cb(void)
2390
{
2391
    return (global_video_state && global_video_state->abort_request);
2392
}
2393

    
2394
/* this thread gets the stream from the disk or the network */
2395
static int decode_thread(void *arg)
2396
{
2397
    VideoState *is = arg;
2398
    AVFormatContext *ic;
2399
    int err, i, ret;
2400
    int st_index[AVMEDIA_TYPE_NB];
2401
    int st_count[AVMEDIA_TYPE_NB]={0};
2402
    int st_best_packet_count[AVMEDIA_TYPE_NB];
2403
    AVPacket pkt1, *pkt = &pkt1;
2404
    AVFormatParameters params, *ap = &params;
2405
    int eof=0;
2406
    int pkt_in_play_range = 0;
2407

    
2408
    ic = avformat_alloc_context();
2409

    
2410
    memset(st_index, -1, sizeof(st_index));
2411
    memset(st_best_packet_count, -1, sizeof(st_best_packet_count));
2412
    is->video_stream = -1;
2413
    is->audio_stream = -1;
2414
    is->subtitle_stream = -1;
2415

    
2416
    global_video_state = is;
2417
    url_set_interrupt_cb(decode_interrupt_cb);
2418

    
2419
    memset(ap, 0, sizeof(*ap));
2420

    
2421
    ap->prealloced_context = 1;
2422
    ap->width = frame_width;
2423
    ap->height= frame_height;
2424
    ap->time_base= (AVRational){1, 25};
2425
    ap->pix_fmt = frame_pix_fmt;
2426

    
2427
    set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
2428

    
2429
    err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
2430
    if (err < 0) {
2431
        print_error(is->filename, err);
2432
        ret = -1;
2433
        goto fail;
2434
    }
2435
    is->ic = ic;
2436

    
2437
    if(genpts)
2438
        ic->flags |= AVFMT_FLAG_GENPTS;
2439

    
2440
    err = av_find_stream_info(ic);
2441
    if (err < 0) {
2442
        fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2443
        ret = -1;
2444
        goto fail;
2445
    }
2446
    if(ic->pb)
2447
        ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2448

    
2449
    if(seek_by_bytes<0)
2450
        seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2451

    
2452
    /* if seeking requested, we execute it */
2453
    if (start_time != AV_NOPTS_VALUE) {
2454
        int64_t timestamp;
2455

    
2456
        timestamp = start_time;
2457
        /* add the stream start time */
2458
        if (ic->start_time != AV_NOPTS_VALUE)
2459
            timestamp += ic->start_time;
2460
        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
2461
        if (ret < 0) {
2462
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2463
                    is->filename, (double)timestamp / AV_TIME_BASE);
2464
        }
2465
    }
2466

    
2467
    for(i = 0; i < ic->nb_streams; i++) {
2468
        AVStream *st= ic->streams[i];
2469
        AVCodecContext *avctx = st->codec;
2470
        ic->streams[i]->discard = AVDISCARD_ALL;
2471
        if(avctx->codec_type >= (unsigned)AVMEDIA_TYPE_NB)
2472
            continue;
2473
        if(st_count[avctx->codec_type]++ != wanted_stream[avctx->codec_type] && wanted_stream[avctx->codec_type] >= 0)
2474
            continue;
2475

    
2476
        if(st_best_packet_count[avctx->codec_type] >= st->codec_info_nb_frames)
2477
            continue;
2478
        st_best_packet_count[avctx->codec_type]= st->codec_info_nb_frames;
2479

    
2480
        switch(avctx->codec_type) {
2481
        case AVMEDIA_TYPE_AUDIO:
2482
            if (!audio_disable)
2483
                st_index[AVMEDIA_TYPE_AUDIO] = i;
2484
            break;
2485
        case AVMEDIA_TYPE_VIDEO:
2486
        case AVMEDIA_TYPE_SUBTITLE:
2487
            if (!video_disable)
2488
                st_index[avctx->codec_type] = i;
2489
            break;
2490
        default:
2491
            break;
2492
        }
2493
    }
2494
    if (show_status) {
2495
        dump_format(ic, 0, is->filename, 0);
2496
    }
2497

    
2498
    /* open the streams */
2499
    if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2500
        stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
2501
    }
2502

    
2503
    ret=-1;
2504
    if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2505
        ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
2506
    }
2507
    is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2508
    if(ret<0) {
2509
        if (!display_disable)
2510
            is->show_audio = 2;
2511
    }
2512

    
2513
    if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2514
        stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
2515
    }
2516

    
2517
    if (is->video_stream < 0 && is->audio_stream < 0) {
2518
        fprintf(stderr, "%s: could not open codecs\n", is->filename);
2519
        ret = -1;
2520
        goto fail;
2521
    }
2522

    
2523
    for(;;) {
2524
        if (is->abort_request)
2525
            break;
2526
        if (is->paused != is->last_paused) {
2527
            is->last_paused = is->paused;
2528
            if (is->paused)
2529
                is->read_pause_return= av_read_pause(ic);
2530
            else
2531
                av_read_play(ic);
2532
        }
2533
#if CONFIG_RTSP_DEMUXER
2534
        if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2535
            /* wait 10 ms to avoid trying to get another packet */
2536
            /* XXX: horrible */
2537
            SDL_Delay(10);
2538
            continue;
2539
        }
2540
#endif
2541
        if (is->seek_req) {
2542
            int64_t seek_target= is->seek_pos;
2543
            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2544
            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2545
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2546
//      of the seek_pos/seek_rel variables
2547

    
2548
            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2549
            if (ret < 0) {
2550
                fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2551
            }else{
2552
                if (is->audio_stream >= 0) {
2553
                    packet_queue_flush(&is->audioq);
2554
                    packet_queue_put(&is->audioq, &flush_pkt);
2555
                }
2556
                if (is->subtitle_stream >= 0) {
2557
                    packet_queue_flush(&is->subtitleq);
2558
                    packet_queue_put(&is->subtitleq, &flush_pkt);
2559
                }
2560
                if (is->video_stream >= 0) {
2561
                    packet_queue_flush(&is->videoq);
2562
                    packet_queue_put(&is->videoq, &flush_pkt);
2563
                }
2564
            }
2565
            is->seek_req = 0;
2566
            eof= 0;
2567
        }
2568

    
2569
        /* if the queue are full, no need to read more */
2570
        if (   is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2571
            || (   (is->audioq   .size  > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2572
                && (is->videoq   .nb_packets > MIN_FRAMES || is->video_stream<0)
2573
                && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2574
            /* wait 10 ms */
2575
            SDL_Delay(10);
2576
            continue;
2577
        }
2578
        if(eof) {
2579
            if(is->video_stream >= 0){
2580
                av_init_packet(pkt);
2581
                pkt->data=NULL;
2582
                pkt->size=0;
2583
                pkt->stream_index= is->video_stream;
2584
                packet_queue_put(&is->videoq, pkt);
2585
            }
2586
            SDL_Delay(10);
2587
            if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2588
                if(loop!=1 && (!loop || --loop)){
2589
                    stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2590
                }else if(autoexit){
2591
                    ret=AVERROR_EOF;
2592
                    goto fail;
2593
                }
2594
            }
2595
            continue;
2596
        }
2597
        ret = av_read_frame(ic, pkt);
2598
        if (ret < 0) {
2599
            if (ret == AVERROR_EOF || url_feof(ic->pb))
2600
                eof=1;
2601
            if (url_ferror(ic->pb))
2602
                break;
2603
            SDL_Delay(100); /* wait for user event */
2604
            continue;
2605
        }
2606
        /* check if packet is in play range specified by user, then queue, otherwise discard */
2607
        pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2608
                (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2609
                av_q2d(ic->streams[pkt->stream_index]->time_base) -
2610
                (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2611
                <= ((double)duration/1000000);
2612
        if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
2613
            packet_queue_put(&is->audioq, pkt);
2614
        } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
2615
            packet_queue_put(&is->videoq, pkt);
2616
        } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
2617
            packet_queue_put(&is->subtitleq, pkt);
2618
        } else {
2619
            av_free_packet(pkt);
2620
        }
2621
    }
2622
    /* wait until the end */
2623
    while (!is->abort_request) {
2624
        SDL_Delay(100);
2625
    }
2626

    
2627
    ret = 0;
2628
 fail:
2629
    /* disable interrupting */
2630
    global_video_state = NULL;
2631

    
2632
    /* close each stream */
2633
    if (is->audio_stream >= 0)
2634
        stream_component_close(is, is->audio_stream);
2635
    if (is->video_stream >= 0)
2636
        stream_component_close(is, is->video_stream);
2637
    if (is->subtitle_stream >= 0)
2638
        stream_component_close(is, is->subtitle_stream);
2639
    if (is->ic) {
2640
        av_close_input_file(is->ic);
2641
        is->ic = NULL; /* safety */
2642
    }
2643
    url_set_interrupt_cb(NULL);
2644

    
2645
    if (ret != 0) {
2646
        SDL_Event event;
2647

    
2648
        event.type = FF_QUIT_EVENT;
2649
        event.user.data1 = is;
2650
        SDL_PushEvent(&event);
2651
    }
2652
    return 0;
2653
}
2654

    
2655
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2656
{
2657
    VideoState *is;
2658

    
2659
    is = av_mallocz(sizeof(VideoState));
2660
    if (!is)
2661
        return NULL;
2662
    av_strlcpy(is->filename, filename, sizeof(is->filename));
2663
    is->iformat = iformat;
2664
    is->ytop = 0;
2665
    is->xleft = 0;
2666

    
2667
    /* start video display */
2668
    is->pictq_mutex = SDL_CreateMutex();
2669
    is->pictq_cond = SDL_CreateCond();
2670

    
2671
    is->subpq_mutex = SDL_CreateMutex();
2672
    is->subpq_cond = SDL_CreateCond();
2673

    
2674
    is->av_sync_type = av_sync_type;
2675
    is->parse_tid = SDL_CreateThread(decode_thread, is);
2676
    if (!is->parse_tid) {
2677
        av_free(is);
2678
        return NULL;
2679
    }
2680
    return is;
2681
}
2682

    
2683
static void stream_cycle_channel(VideoState *is, int codec_type)
2684
{
2685
    AVFormatContext *ic = is->ic;
2686
    int start_index, stream_index;
2687
    AVStream *st;
2688

    
2689
    if (codec_type == AVMEDIA_TYPE_VIDEO)
2690
        start_index = is->video_stream;
2691
    else if (codec_type == AVMEDIA_TYPE_AUDIO)
2692
        start_index = is->audio_stream;
2693
    else
2694
        start_index = is->subtitle_stream;
2695
    if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
2696
        return;
2697
    stream_index = start_index;
2698
    for(;;) {
2699
        if (++stream_index >= is->ic->nb_streams)
2700
        {
2701
            if (codec_type == AVMEDIA_TYPE_SUBTITLE)
2702
            {
2703
                stream_index = -1;
2704
                goto the_end;
2705
            } else
2706
                stream_index = 0;
2707
        }
2708
        if (stream_index == start_index)
2709
            return;
2710
        st = ic->streams[stream_index];
2711
        if (st->codec->codec_type == codec_type) {
2712
            /* check that parameters are OK */
2713
            switch(codec_type) {
2714
            case AVMEDIA_TYPE_AUDIO:
2715
                if (st->codec->sample_rate != 0 &&
2716
                    st->codec->channels != 0)
2717
                    goto the_end;
2718
                break;
2719
            case AVMEDIA_TYPE_VIDEO:
2720
            case AVMEDIA_TYPE_SUBTITLE:
2721
                goto the_end;
2722
            default:
2723
                break;
2724
            }
2725
        }
2726
    }
2727
 the_end:
2728
    stream_component_close(is, start_index);
2729
    stream_component_open(is, stream_index);
2730
}
2731

    
2732

    
2733
static void toggle_full_screen(void)
2734
{
2735
    is_full_screen = !is_full_screen;
2736
    if (!fs_screen_width) {
2737
        /* use default SDL method */
2738
//        SDL_WM_ToggleFullScreen(screen);
2739
    }
2740
    video_open(cur_stream);
2741
}
2742

    
2743
static void toggle_pause(void)
2744
{
2745
    if (cur_stream)
2746
        stream_pause(cur_stream);
2747
    step = 0;
2748
}
2749

    
2750
static void step_to_next_frame(void)
2751
{
2752
    if (cur_stream) {
2753
        /* if the stream is paused unpause it, then step */
2754
        if (cur_stream->paused)
2755
            stream_pause(cur_stream);
2756
    }
2757
    step = 1;
2758
}
2759

    
2760
static void toggle_audio_display(void)
2761
{
2762
    if (cur_stream) {
2763
        int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2764
        cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
2765
        fill_rectangle(screen,
2766
                    cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2767
                    bgcolor);
2768
        SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
2769
    }
2770
}
2771

    
2772
/* handle an event sent by the GUI */
2773
static void event_loop(void)
2774
{
2775
    SDL_Event event;
2776
    double incr, pos, frac;
2777

    
2778
    for(;;) {
2779
        double x;
2780
        SDL_WaitEvent(&event);
2781
        switch(event.type) {
2782
        case SDL_KEYDOWN:
2783
            if (exit_on_keydown) {
2784
                do_exit();
2785
                break;
2786
            }
2787
            switch(event.key.keysym.sym) {
2788
            case SDLK_ESCAPE:
2789
            case SDLK_q:
2790
                do_exit();
2791
                break;
2792
            case SDLK_f:
2793
                toggle_full_screen();
2794
                break;
2795
            case SDLK_p:
2796
            case SDLK_SPACE:
2797
                toggle_pause();
2798
                break;
2799
            case SDLK_s: //S: Step to next frame
2800
                step_to_next_frame();
2801
                break;
2802
            case SDLK_a:
2803
                if (cur_stream)
2804
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
2805
                break;
2806
            case SDLK_v:
2807
                if (cur_stream)
2808
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
2809
                break;
2810
            case SDLK_t:
2811
                if (cur_stream)
2812
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
2813
                break;
2814
            case SDLK_w:
2815
                toggle_audio_display();
2816
                break;
2817
            case SDLK_LEFT:
2818
                incr = -10.0;
2819
                goto do_seek;
2820
            case SDLK_RIGHT:
2821
                incr = 10.0;
2822
                goto do_seek;
2823
            case SDLK_UP:
2824
                incr = 60.0;
2825
                goto do_seek;
2826
            case SDLK_DOWN:
2827
                incr = -60.0;
2828
            do_seek:
2829
                if (cur_stream) {
2830
                    if (seek_by_bytes) {
2831
                        if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2832
                            pos= cur_stream->video_current_pos;
2833
                        }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2834
                            pos= cur_stream->audio_pkt.pos;
2835
                        }else
2836
                            pos = url_ftell(cur_stream->ic->pb);
2837
                        if (cur_stream->ic->bit_rate)
2838
                            incr *= cur_stream->ic->bit_rate / 8.0;
2839
                        else
2840
                            incr *= 180000.0;
2841
                        pos += incr;
2842
                        stream_seek(cur_stream, pos, incr, 1);
2843
                    } else {
2844
                        pos = get_master_clock(cur_stream);
2845
                        pos += incr;
2846
                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
2847
                    }
2848
                }
2849
                break;
2850
            default:
2851
                break;
2852
            }
2853
            break;
2854
        case SDL_MOUSEBUTTONDOWN:
2855
            if (exit_on_mousedown) {
2856
                do_exit();
2857
                break;
2858
            }
2859
        case SDL_MOUSEMOTION:
2860
            if(event.type ==SDL_MOUSEBUTTONDOWN){
2861
                x= event.button.x;
2862
            }else{
2863
                if(event.motion.state != SDL_PRESSED)
2864
                    break;
2865
                x= event.motion.x;
2866
            }
2867
            if (cur_stream) {
2868
                if(seek_by_bytes || cur_stream->ic->duration<=0){
2869
                    uint64_t size=  url_fsize(cur_stream->ic->pb);
2870
                    stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2871
                }else{
2872
                    int64_t ts;
2873
                    int ns, hh, mm, ss;
2874
                    int tns, thh, tmm, tss;
2875
                    tns = cur_stream->ic->duration/1000000LL;
2876
                    thh = tns/3600;
2877
                    tmm = (tns%3600)/60;
2878
                    tss = (tns%60);
2879
                    frac = x/cur_stream->width;
2880
                    ns = frac*tns;
2881
                    hh = ns/3600;
2882
                    mm = (ns%3600)/60;
2883
                    ss = (ns%60);
2884
                    fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d)       \n", frac*100,
2885
                            hh, mm, ss, thh, tmm, tss);
2886
                    ts = frac*cur_stream->ic->duration;
2887
                    if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2888
                        ts += cur_stream->ic->start_time;
2889
                    stream_seek(cur_stream, ts, 0, 0);
2890
                }
2891
            }
2892
            break;
2893
        case SDL_VIDEORESIZE:
2894
            if (cur_stream) {
2895
                screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
2896
                                          SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
2897
                screen_width = cur_stream->width = event.resize.w;
2898
                screen_height= cur_stream->height= event.resize.h;
2899
            }
2900
            break;
2901
        case SDL_QUIT:
2902
        case FF_QUIT_EVENT:
2903
            do_exit();
2904
            break;
2905
        case FF_ALLOC_EVENT:
2906
            video_open(event.user.data1);
2907
            alloc_picture(event.user.data1);
2908
            break;
2909
        case FF_REFRESH_EVENT:
2910
            video_refresh_timer(event.user.data1);
2911
            cur_stream->refresh=0;
2912
            break;
2913
        default:
2914
            break;
2915
        }
2916
    }
2917
}
2918

    
2919
static void opt_frame_size(const char *arg)
2920
{
2921
    if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2922
        fprintf(stderr, "Incorrect frame size\n");
2923
        exit(1);
2924
    }
2925
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2926
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2927
        exit(1);
2928
    }
2929
}
2930

    
2931
static int opt_width(const char *opt, const char *arg)
2932
{
2933
    screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2934
    return 0;
2935
}
2936

    
2937
static int opt_height(const char *opt, const char *arg)
2938
{
2939
    screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2940
    return 0;
2941
}
2942

    
2943
static void opt_format(const char *arg)
2944
{
2945
    file_iformat = av_find_input_format(arg);
2946
    if (!file_iformat) {
2947
        fprintf(stderr, "Unknown input format: %s\n", arg);
2948
        exit(1);
2949
    }
2950
}
2951

    
2952
static void opt_frame_pix_fmt(const char *arg)
2953
{
2954
    frame_pix_fmt = av_get_pix_fmt(arg);
2955
}
2956

    
2957
static int opt_sync(const char *opt, const char *arg)
2958
{
2959
    if (!strcmp(arg, "audio"))
2960
        av_sync_type = AV_SYNC_AUDIO_MASTER;
2961
    else if (!strcmp(arg, "video"))
2962
        av_sync_type = AV_SYNC_VIDEO_MASTER;
2963
    else if (!strcmp(arg, "ext"))
2964
        av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
2965
    else {
2966
        fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
2967
        exit(1);
2968
    }
2969
    return 0;
2970
}
2971

    
2972
static int opt_seek(const char *opt, const char *arg)
2973
{
2974
    start_time = parse_time_or_die(opt, arg, 1);
2975
    return 0;
2976
}
2977

    
2978
static int opt_duration(const char *opt, const char *arg)
2979
{
2980
    duration = parse_time_or_die(opt, arg, 1);
2981
    return 0;
2982
}
2983

    
2984
static int opt_debug(const char *opt, const char *arg)
2985
{
2986
    av_log_set_level(99);
2987
    debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2988
    return 0;
2989
}
2990

    
2991
static int opt_vismv(const char *opt, const char *arg)
2992
{
2993
    debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2994
    return 0;
2995
}
2996

    
2997
static int opt_thread_count(const char *opt, const char *arg)
2998
{
2999
    thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3000
#if !HAVE_THREADS
3001
    fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
3002
#endif
3003
    return 0;
3004
}
3005

    
3006
static const OptionDef options[] = {
3007
#include "cmdutils_common_opts.h"
3008
    { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
3009
    { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
3010
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3011
    { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
3012
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
3013
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
3014
    { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
3015
    { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
3016
    { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
3017
    { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
3018
    { "t", HAS_ARG | OPT_FUNC2, {(void*)&opt_duration}, "play  \"duration\" seconds of audio/video", "duration" },
3019
    { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
3020
    { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
3021
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3022
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3023
    { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
3024
    { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
3025
    { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
3026
    { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
3027
    { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
3028
    { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
3029
    { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
3030
    { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
3031
    { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
3032
    { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
3033
    { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
3034
    { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo",  "algo" },
3035
    { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)",  "threshold" },
3036
    { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options",  "bit_mask" },
3037
    { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
3038
    { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3039
    { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
3040
    { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
3041
    { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
3042
    { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
3043
    { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
3044
    { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
3045
#if CONFIG_AVFILTER
3046
    { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
3047
#endif
3048
    { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
3049
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3050
    { NULL, },
3051
};
3052

    
3053
static void show_usage(void)
3054
{
3055
    printf("Simple media player\n");
3056
    printf("usage: ffplay [options] input_file\n");
3057
    printf("\n");
3058
}
3059

    
3060
static void show_help(void)
3061
{
3062
    av_log_set_callback(log_callback_help);
3063
    show_usage();
3064
    show_help_options(options, "Main options:\n",
3065
                      OPT_EXPERT, 0);
3066
    show_help_options(options, "\nAdvanced options:\n",
3067
                      OPT_EXPERT, OPT_EXPERT);
3068
    printf("\n");
3069
    av_opt_show2(avcodec_opts[0], NULL,
3070
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3071
    printf("\n");
3072
    av_opt_show2(avformat_opts, NULL,
3073
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3074
#if !CONFIG_AVFILTER
3075
    printf("\n");
3076
    av_opt_show2(sws_opts, NULL,
3077
                 AV_OPT_FLAG_ENCODING_PARAM, 0);
3078
#endif
3079
    printf("\nWhile playing:\n"
3080
           "q, ESC              quit\n"
3081
           "f                   toggle full screen\n"
3082
           "p, SPC              pause\n"
3083
           "a                   cycle audio channel\n"
3084
           "v                   cycle video channel\n"
3085
           "t                   cycle subtitle channel\n"
3086
           "w                   show audio waves\n"
3087
           "s                   activate frame-step mode\n"
3088
           "left/right          seek backward/forward 10 seconds\n"
3089
           "down/up             seek backward/forward 1 minute\n"
3090
           "mouse click         seek to percentage in file corresponding to fraction of width\n"
3091
           );
3092
}
3093

    
3094
static void opt_input_file(const char *filename)
3095
{
3096
    if (input_filename) {
3097
        fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3098
                filename, input_filename);
3099
        exit(1);
3100
    }
3101
    if (!strcmp(filename, "-"))
3102
        filename = "pipe:";
3103
    input_filename = filename;
3104
}
3105

    
3106
/* Called from the main */
3107
int main(int argc, char **argv)
3108
{
3109
    int flags;
3110

    
3111
    av_log_set_flags(AV_LOG_SKIP_REPEATED);
3112

    
3113
    /* register all codecs, demux and protocols */
3114
    avcodec_register_all();
3115
#if CONFIG_AVDEVICE
3116
    avdevice_register_all();
3117
#endif
3118
#if CONFIG_AVFILTER
3119
    avfilter_register_all();
3120
#endif
3121
    av_register_all();
3122

    
3123
    init_opts();
3124

    
3125
    show_banner();
3126

    
3127
    parse_options(argc, argv, options, opt_input_file);
3128

    
3129
    if (!input_filename) {
3130
        show_usage();
3131
        fprintf(stderr, "An input file must be specified\n");
3132
        fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
3133
        exit(1);
3134
    }
3135

    
3136
    if (display_disable) {
3137
        video_disable = 1;
3138
    }
3139
    flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
3140
#if !defined(__MINGW32__) && !defined(__APPLE__)
3141
    flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
3142
#endif
3143
    if (SDL_Init (flags)) {
3144
        fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
3145
        exit(1);
3146
    }
3147

    
3148
    if (!display_disable) {
3149
#if HAVE_SDL_VIDEO_SIZE
3150
        const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3151
        fs_screen_width = vi->current_w;
3152
        fs_screen_height = vi->current_h;
3153
#endif
3154
    }
3155

    
3156
    SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
3157
    SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3158
    SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3159

    
3160
    av_init_packet(&flush_pkt);
3161
    flush_pkt.data= "FLUSH";
3162

    
3163
    cur_stream = stream_open(input_filename, file_iformat);
3164

    
3165
    event_loop();
3166

    
3167
    /* never returns */
3168

    
3169
    return 0;
3170
}