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ffmpeg / ffplay.c @ 5d6e4c16

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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
14
 * 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

    
22
#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
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    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_open(&filt_src, &input_filter,  "src") < 0) goto the_end;
1802
    if (avfilter_open(&filt_out, &ffsink      ,  "out") < 0) goto the_end;
1803

    
1804
    if(avfilter_init_filter(filt_src, NULL, is))             goto the_end;
1805
    if(avfilter_init_filter(filt_out, NULL, &ffsink_ctx))    goto the_end;
1806

    
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
    avfilter_graph_add_filter(graph, filt_src);
1829
    avfilter_graph_add_filter(graph, filt_out);
1830

    
1831
    if (avfilter_graph_config(graph, NULL) < 0)
1832
        goto the_end;
1833

    
1834
    is->out_video_filter = filt_out;
1835
#endif
1836

    
1837
    for(;;) {
1838
#if !CONFIG_AVFILTER
1839
        AVPacket pkt;
1840
#else
1841
        AVFilterBufferRef *picref;
1842
        AVRational tb;
1843
#endif
1844
        while (is->paused && !is->videoq.abort_request)
1845
            SDL_Delay(10);
1846
#if CONFIG_AVFILTER
1847
        ret = get_filtered_video_frame(filt_out, frame, &picref, &tb);
1848
        if (picref) {
1849
            pts_int = picref->pts;
1850
            pos     = picref->pos;
1851
            frame->opaque = picref;
1852
        }
1853

    
1854
        if (av_cmp_q(tb, is->video_st->time_base)) {
1855
            int64_t pts1 = pts_int;
1856
            pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1857
            av_log(NULL, AV_LOG_DEBUG, "video_thread(): "
1858
                   "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1859
                   tb.num, tb.den, pts1,
1860
                   is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1861
        }
1862
#else
1863
        ret = get_video_frame(is, frame, &pts_int, &pkt);
1864
#endif
1865

    
1866
        if (ret < 0) goto the_end;
1867

    
1868
        if (!ret)
1869
            continue;
1870

    
1871
        pts = pts_int*av_q2d(is->video_st->time_base);
1872

    
1873
#if CONFIG_AVFILTER
1874
        ret = output_picture2(is, frame, pts, pos);
1875
#else
1876
        ret = output_picture2(is, frame, pts,  pkt.pos);
1877
        av_free_packet(&pkt);
1878
#endif
1879
        if (ret < 0)
1880
            goto the_end;
1881

    
1882
        if (step)
1883
            if (cur_stream)
1884
                stream_pause(cur_stream);
1885
    }
1886
 the_end:
1887
#if CONFIG_AVFILTER
1888
    avfilter_graph_free(graph);
1889
    av_freep(&graph);
1890
#endif
1891
    av_free(frame);
1892
    return 0;
1893
}
1894

    
1895
static int subtitle_thread(void *arg)
1896
{
1897
    VideoState *is = arg;
1898
    SubPicture *sp;
1899
    AVPacket pkt1, *pkt = &pkt1;
1900
    int len1, got_subtitle;
1901
    double pts;
1902
    int i, j;
1903
    int r, g, b, y, u, v, a;
1904

    
1905
    for(;;) {
1906
        while (is->paused && !is->subtitleq.abort_request) {
1907
            SDL_Delay(10);
1908
        }
1909
        if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1910
            break;
1911

    
1912
        if(pkt->data == flush_pkt.data){
1913
            avcodec_flush_buffers(is->subtitle_st->codec);
1914
            continue;
1915
        }
1916
        SDL_LockMutex(is->subpq_mutex);
1917
        while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1918
               !is->subtitleq.abort_request) {
1919
            SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1920
        }
1921
        SDL_UnlockMutex(is->subpq_mutex);
1922

    
1923
        if (is->subtitleq.abort_request)
1924
            goto the_end;
1925

    
1926
        sp = &is->subpq[is->subpq_windex];
1927

    
1928
       /* NOTE: ipts is the PTS of the _first_ picture beginning in
1929
           this packet, if any */
1930
        pts = 0;
1931
        if (pkt->pts != AV_NOPTS_VALUE)
1932
            pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1933

    
1934
        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
1935
                                    &sp->sub, &got_subtitle,
1936
                                    pkt);
1937
//            if (len1 < 0)
1938
//                break;
1939
        if (got_subtitle && sp->sub.format == 0) {
1940
            sp->pts = pts;
1941

    
1942
            for (i = 0; i < sp->sub.num_rects; i++)
1943
            {
1944
                for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1945
                {
1946
                    RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1947
                    y = RGB_TO_Y_CCIR(r, g, b);
1948
                    u = RGB_TO_U_CCIR(r, g, b, 0);
1949
                    v = RGB_TO_V_CCIR(r, g, b, 0);
1950
                    YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1951
                }
1952
            }
1953

    
1954
            /* now we can update the picture count */
1955
            if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1956
                is->subpq_windex = 0;
1957
            SDL_LockMutex(is->subpq_mutex);
1958
            is->subpq_size++;
1959
            SDL_UnlockMutex(is->subpq_mutex);
1960
        }
1961
        av_free_packet(pkt);
1962
//        if (step)
1963
//            if (cur_stream)
1964
//                stream_pause(cur_stream);
1965
    }
1966
 the_end:
1967
    return 0;
1968
}
1969

    
1970
/* copy samples for viewing in editor window */
1971
static void update_sample_display(VideoState *is, short *samples, int samples_size)
1972
{
1973
    int size, len, channels;
1974

    
1975
    channels = is->audio_st->codec->channels;
1976

    
1977
    size = samples_size / sizeof(short);
1978
    while (size > 0) {
1979
        len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1980
        if (len > size)
1981
            len = size;
1982
        memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1983
        samples += len;
1984
        is->sample_array_index += len;
1985
        if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1986
            is->sample_array_index = 0;
1987
        size -= len;
1988
    }
1989
}
1990

    
1991
/* return the new audio buffer size (samples can be added or deleted
1992
   to get better sync if video or external master clock) */
1993
static int synchronize_audio(VideoState *is, short *samples,
1994
                             int samples_size1, double pts)
1995
{
1996
    int n, samples_size;
1997
    double ref_clock;
1998

    
1999
    n = 2 * is->audio_st->codec->channels;
2000
    samples_size = samples_size1;
2001

    
2002
    /* if not master, then we try to remove or add samples to correct the clock */
2003
    if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
2004
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
2005
        double diff, avg_diff;
2006
        int wanted_size, min_size, max_size, nb_samples;
2007

    
2008
        ref_clock = get_master_clock(is);
2009
        diff = get_audio_clock(is) - ref_clock;
2010

    
2011
        if (diff < AV_NOSYNC_THRESHOLD) {
2012
            is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
2013
            if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
2014
                /* not enough measures to have a correct estimate */
2015
                is->audio_diff_avg_count++;
2016
            } else {
2017
                /* estimate the A-V difference */
2018
                avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
2019

    
2020
                if (fabs(avg_diff) >= is->audio_diff_threshold) {
2021
                    wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
2022
                    nb_samples = samples_size / n;
2023

    
2024
                    min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2025
                    max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2026
                    if (wanted_size < min_size)
2027
                        wanted_size = min_size;
2028
                    else if (wanted_size > max_size)
2029
                        wanted_size = max_size;
2030

    
2031
                    /* add or remove samples to correction the synchro */
2032
                    if (wanted_size < samples_size) {
2033
                        /* remove samples */
2034
                        samples_size = wanted_size;
2035
                    } else if (wanted_size > samples_size) {
2036
                        uint8_t *samples_end, *q;
2037
                        int nb;
2038

    
2039
                        /* add samples */
2040
                        nb = (samples_size - wanted_size);
2041
                        samples_end = (uint8_t *)samples + samples_size - n;
2042
                        q = samples_end + n;
2043
                        while (nb > 0) {
2044
                            memcpy(q, samples_end, n);
2045
                            q += n;
2046
                            nb -= n;
2047
                        }
2048
                        samples_size = wanted_size;
2049
                    }
2050
                }
2051
#if 0
2052
                printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
2053
                       diff, avg_diff, samples_size - samples_size1,
2054
                       is->audio_clock, is->video_clock, is->audio_diff_threshold);
2055
#endif
2056
            }
2057
        } else {
2058
            /* too big difference : may be initial PTS errors, so
2059
               reset A-V filter */
2060
            is->audio_diff_avg_count = 0;
2061
            is->audio_diff_cum = 0;
2062
        }
2063
    }
2064

    
2065
    return samples_size;
2066
}
2067

    
2068
/* decode one audio frame and returns its uncompressed size */
2069
static int audio_decode_frame(VideoState *is, double *pts_ptr)
2070
{
2071
    AVPacket *pkt_temp = &is->audio_pkt_temp;
2072
    AVPacket *pkt = &is->audio_pkt;
2073
    AVCodecContext *dec= is->audio_st->codec;
2074
    int n, len1, data_size;
2075
    double pts;
2076

    
2077
    for(;;) {
2078
        /* NOTE: the audio packet can contain several frames */
2079
        while (pkt_temp->size > 0) {
2080
            data_size = sizeof(is->audio_buf1);
2081
            len1 = avcodec_decode_audio3(dec,
2082
                                        (int16_t *)is->audio_buf1, &data_size,
2083
                                        pkt_temp);
2084
            if (len1 < 0) {
2085
                /* if error, we skip the frame */
2086
                pkt_temp->size = 0;
2087
                break;
2088
            }
2089

    
2090
            pkt_temp->data += len1;
2091
            pkt_temp->size -= len1;
2092
            if (data_size <= 0)
2093
                continue;
2094

    
2095
            if (dec->sample_fmt != is->audio_src_fmt) {
2096
                if (is->reformat_ctx)
2097
                    av_audio_convert_free(is->reformat_ctx);
2098
                is->reformat_ctx= av_audio_convert_alloc(AV_SAMPLE_FMT_S16, 1,
2099
                                                         dec->sample_fmt, 1, NULL, 0);
2100
                if (!is->reformat_ctx) {
2101
                    fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
2102
                        av_get_sample_fmt_name(dec->sample_fmt),
2103
                        av_get_sample_fmt_name(AV_SAMPLE_FMT_S16));
2104
                        break;
2105
                }
2106
                is->audio_src_fmt= dec->sample_fmt;
2107
            }
2108

    
2109
            if (is->reformat_ctx) {
2110
                const void *ibuf[6]= {is->audio_buf1};
2111
                void *obuf[6]= {is->audio_buf2};
2112
                int istride[6]= {av_get_bits_per_sample_fmt(dec->sample_fmt)/8};
2113
                int ostride[6]= {2};
2114
                int len= data_size/istride[0];
2115
                if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2116
                    printf("av_audio_convert() failed\n");
2117
                    break;
2118
                }
2119
                is->audio_buf= is->audio_buf2;
2120
                /* FIXME: existing code assume that data_size equals framesize*channels*2
2121
                          remove this legacy cruft */
2122
                data_size= len*2;
2123
            }else{
2124
                is->audio_buf= is->audio_buf1;
2125
            }
2126

    
2127
            /* if no pts, then compute it */
2128
            pts = is->audio_clock;
2129
            *pts_ptr = pts;
2130
            n = 2 * dec->channels;
2131
            is->audio_clock += (double)data_size /
2132
                (double)(n * dec->sample_rate);
2133
#if defined(DEBUG_SYNC)
2134
            {
2135
                static double last_clock;
2136
                printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2137
                       is->audio_clock - last_clock,
2138
                       is->audio_clock, pts);
2139
                last_clock = is->audio_clock;
2140
            }
2141
#endif
2142
            return data_size;
2143
        }
2144

    
2145
        /* free the current packet */
2146
        if (pkt->data)
2147
            av_free_packet(pkt);
2148

    
2149
        if (is->paused || is->audioq.abort_request) {
2150
            return -1;
2151
        }
2152

    
2153
        /* read next packet */
2154
        if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2155
            return -1;
2156
        if(pkt->data == flush_pkt.data){
2157
            avcodec_flush_buffers(dec);
2158
            continue;
2159
        }
2160

    
2161
        pkt_temp->data = pkt->data;
2162
        pkt_temp->size = pkt->size;
2163

    
2164
        /* if update the audio clock with the pts */
2165
        if (pkt->pts != AV_NOPTS_VALUE) {
2166
            is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2167
        }
2168
    }
2169
}
2170

    
2171
/* get the current audio output buffer size, in samples. With SDL, we
2172
   cannot have a precise information */
2173
static int audio_write_get_buf_size(VideoState *is)
2174
{
2175
    return is->audio_buf_size - is->audio_buf_index;
2176
}
2177

    
2178

    
2179
/* prepare a new audio buffer */
2180
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2181
{
2182
    VideoState *is = opaque;
2183
    int audio_size, len1;
2184
    double pts;
2185

    
2186
    audio_callback_time = av_gettime();
2187

    
2188
    while (len > 0) {
2189
        if (is->audio_buf_index >= is->audio_buf_size) {
2190
           audio_size = audio_decode_frame(is, &pts);
2191
           if (audio_size < 0) {
2192
                /* if error, just output silence */
2193
               is->audio_buf = is->audio_buf1;
2194
               is->audio_buf_size = 1024;
2195
               memset(is->audio_buf, 0, is->audio_buf_size);
2196
           } else {
2197
               if (is->show_audio)
2198
                   update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2199
               audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2200
                                              pts);
2201
               is->audio_buf_size = audio_size;
2202
           }
2203
           is->audio_buf_index = 0;
2204
        }
2205
        len1 = is->audio_buf_size - is->audio_buf_index;
2206
        if (len1 > len)
2207
            len1 = len;
2208
        memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2209
        len -= len1;
2210
        stream += len1;
2211
        is->audio_buf_index += len1;
2212
    }
2213
}
2214

    
2215
/* open a given stream. Return 0 if OK */
2216
static int stream_component_open(VideoState *is, int stream_index)
2217
{
2218
    AVFormatContext *ic = is->ic;
2219
    AVCodecContext *avctx;
2220
    AVCodec *codec;
2221
    SDL_AudioSpec wanted_spec, spec;
2222

    
2223
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2224
        return -1;
2225
    avctx = ic->streams[stream_index]->codec;
2226

    
2227
    /* prepare audio output */
2228
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2229
        if (avctx->channels > 0) {
2230
            avctx->request_channels = FFMIN(2, avctx->channels);
2231
        } else {
2232
            avctx->request_channels = 2;
2233
        }
2234
    }
2235

    
2236
    codec = avcodec_find_decoder(avctx->codec_id);
2237
    avctx->debug_mv = debug_mv;
2238
    avctx->debug = debug;
2239
    avctx->workaround_bugs = workaround_bugs;
2240
    avctx->lowres = lowres;
2241
    if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2242
    avctx->idct_algo= idct;
2243
    if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2244
    avctx->skip_frame= skip_frame;
2245
    avctx->skip_idct= skip_idct;
2246
    avctx->skip_loop_filter= skip_loop_filter;
2247
    avctx->error_recognition= error_recognition;
2248
    avctx->error_concealment= error_concealment;
2249
    avcodec_thread_init(avctx, thread_count);
2250

    
2251
    set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
2252

    
2253
    if (!codec ||
2254
        avcodec_open(avctx, codec) < 0)
2255
        return -1;
2256

    
2257
    /* prepare audio output */
2258
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2259
        wanted_spec.freq = avctx->sample_rate;
2260
        wanted_spec.format = AUDIO_S16SYS;
2261
        wanted_spec.channels = avctx->channels;
2262
        wanted_spec.silence = 0;
2263
        wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2264
        wanted_spec.callback = sdl_audio_callback;
2265
        wanted_spec.userdata = is;
2266
        if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2267
            fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2268
            return -1;
2269
        }
2270
        is->audio_hw_buf_size = spec.size;
2271
        is->audio_src_fmt= AV_SAMPLE_FMT_S16;
2272
    }
2273

    
2274
    ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2275
    switch(avctx->codec_type) {
2276
    case AVMEDIA_TYPE_AUDIO:
2277
        is->audio_stream = stream_index;
2278
        is->audio_st = ic->streams[stream_index];
2279
        is->audio_buf_size = 0;
2280
        is->audio_buf_index = 0;
2281

    
2282
        /* init averaging filter */
2283
        is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2284
        is->audio_diff_avg_count = 0;
2285
        /* since we do not have a precise anough audio fifo fullness,
2286
           we correct audio sync only if larger than this threshold */
2287
        is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
2288

    
2289
        memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2290
        packet_queue_init(&is->audioq);
2291
        SDL_PauseAudio(0);
2292
        break;
2293
    case AVMEDIA_TYPE_VIDEO:
2294
        is->video_stream = stream_index;
2295
        is->video_st = ic->streams[stream_index];
2296

    
2297
//        is->video_current_pts_time = av_gettime();
2298

    
2299
        packet_queue_init(&is->videoq);
2300
        is->video_tid = SDL_CreateThread(video_thread, is);
2301
        break;
2302
    case AVMEDIA_TYPE_SUBTITLE:
2303
        is->subtitle_stream = stream_index;
2304
        is->subtitle_st = ic->streams[stream_index];
2305
        packet_queue_init(&is->subtitleq);
2306

    
2307
        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2308
        break;
2309
    default:
2310
        break;
2311
    }
2312
    return 0;
2313
}
2314

    
2315
static void stream_component_close(VideoState *is, int stream_index)
2316
{
2317
    AVFormatContext *ic = is->ic;
2318
    AVCodecContext *avctx;
2319

    
2320
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2321
        return;
2322
    avctx = ic->streams[stream_index]->codec;
2323

    
2324
    switch(avctx->codec_type) {
2325
    case AVMEDIA_TYPE_AUDIO:
2326
        packet_queue_abort(&is->audioq);
2327

    
2328
        SDL_CloseAudio();
2329

    
2330
        packet_queue_end(&is->audioq);
2331
        if (is->reformat_ctx)
2332
            av_audio_convert_free(is->reformat_ctx);
2333
        is->reformat_ctx = NULL;
2334
        break;
2335
    case AVMEDIA_TYPE_VIDEO:
2336
        packet_queue_abort(&is->videoq);
2337

    
2338
        /* note: we also signal this mutex to make sure we deblock the
2339
           video thread in all cases */
2340
        SDL_LockMutex(is->pictq_mutex);
2341
        SDL_CondSignal(is->pictq_cond);
2342
        SDL_UnlockMutex(is->pictq_mutex);
2343

    
2344
        SDL_WaitThread(is->video_tid, NULL);
2345

    
2346
        packet_queue_end(&is->videoq);
2347
        break;
2348
    case AVMEDIA_TYPE_SUBTITLE:
2349
        packet_queue_abort(&is->subtitleq);
2350

    
2351
        /* note: we also signal this mutex to make sure we deblock the
2352
           video thread in all cases */
2353
        SDL_LockMutex(is->subpq_mutex);
2354
        is->subtitle_stream_changed = 1;
2355

    
2356
        SDL_CondSignal(is->subpq_cond);
2357
        SDL_UnlockMutex(is->subpq_mutex);
2358

    
2359
        SDL_WaitThread(is->subtitle_tid, NULL);
2360

    
2361
        packet_queue_end(&is->subtitleq);
2362
        break;
2363
    default:
2364
        break;
2365
    }
2366

    
2367
    ic->streams[stream_index]->discard = AVDISCARD_ALL;
2368
    avcodec_close(avctx);
2369
    switch(avctx->codec_type) {
2370
    case AVMEDIA_TYPE_AUDIO:
2371
        is->audio_st = NULL;
2372
        is->audio_stream = -1;
2373
        break;
2374
    case AVMEDIA_TYPE_VIDEO:
2375
        is->video_st = NULL;
2376
        is->video_stream = -1;
2377
        break;
2378
    case AVMEDIA_TYPE_SUBTITLE:
2379
        is->subtitle_st = NULL;
2380
        is->subtitle_stream = -1;
2381
        break;
2382
    default:
2383
        break;
2384
    }
2385
}
2386

    
2387
/* since we have only one decoding thread, we can use a global
2388
   variable instead of a thread local variable */
2389
static VideoState *global_video_state;
2390

    
2391
static int decode_interrupt_cb(void)
2392
{
2393
    return (global_video_state && global_video_state->abort_request);
2394
}
2395

    
2396
/* this thread gets the stream from the disk or the network */
2397
static int decode_thread(void *arg)
2398
{
2399
    VideoState *is = arg;
2400
    AVFormatContext *ic;
2401
    int err, i, ret;
2402
    int st_index[AVMEDIA_TYPE_NB];
2403
    int st_count[AVMEDIA_TYPE_NB]={0};
2404
    int st_best_packet_count[AVMEDIA_TYPE_NB];
2405
    AVPacket pkt1, *pkt = &pkt1;
2406
    AVFormatParameters params, *ap = &params;
2407
    int eof=0;
2408
    int pkt_in_play_range = 0;
2409

    
2410
    ic = avformat_alloc_context();
2411

    
2412
    memset(st_index, -1, sizeof(st_index));
2413
    memset(st_best_packet_count, -1, sizeof(st_best_packet_count));
2414
    is->video_stream = -1;
2415
    is->audio_stream = -1;
2416
    is->subtitle_stream = -1;
2417

    
2418
    global_video_state = is;
2419
    url_set_interrupt_cb(decode_interrupt_cb);
2420

    
2421
    memset(ap, 0, sizeof(*ap));
2422

    
2423
    ap->prealloced_context = 1;
2424
    ap->width = frame_width;
2425
    ap->height= frame_height;
2426
    ap->time_base= (AVRational){1, 25};
2427
    ap->pix_fmt = frame_pix_fmt;
2428

    
2429
    set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
2430

    
2431
    err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
2432
    if (err < 0) {
2433
        print_error(is->filename, err);
2434
        ret = -1;
2435
        goto fail;
2436
    }
2437
    is->ic = ic;
2438

    
2439
    if(genpts)
2440
        ic->flags |= AVFMT_FLAG_GENPTS;
2441

    
2442
    err = av_find_stream_info(ic);
2443
    if (err < 0) {
2444
        fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2445
        ret = -1;
2446
        goto fail;
2447
    }
2448
    if(ic->pb)
2449
        ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2450

    
2451
    if(seek_by_bytes<0)
2452
        seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2453

    
2454
    /* if seeking requested, we execute it */
2455
    if (start_time != AV_NOPTS_VALUE) {
2456
        int64_t timestamp;
2457

    
2458
        timestamp = start_time;
2459
        /* add the stream start time */
2460
        if (ic->start_time != AV_NOPTS_VALUE)
2461
            timestamp += ic->start_time;
2462
        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
2463
        if (ret < 0) {
2464
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2465
                    is->filename, (double)timestamp / AV_TIME_BASE);
2466
        }
2467
    }
2468

    
2469
    for(i = 0; i < ic->nb_streams; i++) {
2470
        AVStream *st= ic->streams[i];
2471
        AVCodecContext *avctx = st->codec;
2472
        ic->streams[i]->discard = AVDISCARD_ALL;
2473
        if(avctx->codec_type >= (unsigned)AVMEDIA_TYPE_NB)
2474
            continue;
2475
        if(st_count[avctx->codec_type]++ != wanted_stream[avctx->codec_type] && wanted_stream[avctx->codec_type] >= 0)
2476
            continue;
2477

    
2478
        if(st_best_packet_count[avctx->codec_type] >= st->codec_info_nb_frames)
2479
            continue;
2480
        st_best_packet_count[avctx->codec_type]= st->codec_info_nb_frames;
2481

    
2482
        switch(avctx->codec_type) {
2483
        case AVMEDIA_TYPE_AUDIO:
2484
            if (!audio_disable)
2485
                st_index[AVMEDIA_TYPE_AUDIO] = i;
2486
            break;
2487
        case AVMEDIA_TYPE_VIDEO:
2488
        case AVMEDIA_TYPE_SUBTITLE:
2489
            if (!video_disable)
2490
                st_index[avctx->codec_type] = i;
2491
            break;
2492
        default:
2493
            break;
2494
        }
2495
    }
2496
    if (show_status) {
2497
        dump_format(ic, 0, is->filename, 0);
2498
    }
2499

    
2500
    /* open the streams */
2501
    if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2502
        stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
2503
    }
2504

    
2505
    ret=-1;
2506
    if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2507
        ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
2508
    }
2509
    is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2510
    if(ret<0) {
2511
        if (!display_disable)
2512
            is->show_audio = 2;
2513
    }
2514

    
2515
    if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2516
        stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
2517
    }
2518

    
2519
    if (is->video_stream < 0 && is->audio_stream < 0) {
2520
        fprintf(stderr, "%s: could not open codecs\n", is->filename);
2521
        ret = -1;
2522
        goto fail;
2523
    }
2524

    
2525
    for(;;) {
2526
        if (is->abort_request)
2527
            break;
2528
        if (is->paused != is->last_paused) {
2529
            is->last_paused = is->paused;
2530
            if (is->paused)
2531
                is->read_pause_return= av_read_pause(ic);
2532
            else
2533
                av_read_play(ic);
2534
        }
2535
#if CONFIG_RTSP_DEMUXER
2536
        if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2537
            /* wait 10 ms to avoid trying to get another packet */
2538
            /* XXX: horrible */
2539
            SDL_Delay(10);
2540
            continue;
2541
        }
2542
#endif
2543
        if (is->seek_req) {
2544
            int64_t seek_target= is->seek_pos;
2545
            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2546
            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2547
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2548
//      of the seek_pos/seek_rel variables
2549

    
2550
            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2551
            if (ret < 0) {
2552
                fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2553
            }else{
2554
                if (is->audio_stream >= 0) {
2555
                    packet_queue_flush(&is->audioq);
2556
                    packet_queue_put(&is->audioq, &flush_pkt);
2557
                }
2558
                if (is->subtitle_stream >= 0) {
2559
                    packet_queue_flush(&is->subtitleq);
2560
                    packet_queue_put(&is->subtitleq, &flush_pkt);
2561
                }
2562
                if (is->video_stream >= 0) {
2563
                    packet_queue_flush(&is->videoq);
2564
                    packet_queue_put(&is->videoq, &flush_pkt);
2565
                }
2566
            }
2567
            is->seek_req = 0;
2568
            eof= 0;
2569
        }
2570

    
2571
        /* if the queue are full, no need to read more */
2572
        if (   is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2573
            || (   (is->audioq   .size  > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2574
                && (is->videoq   .nb_packets > MIN_FRAMES || is->video_stream<0)
2575
                && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2576
            /* wait 10 ms */
2577
            SDL_Delay(10);
2578
            continue;
2579
        }
2580
        if(eof) {
2581
            if(is->video_stream >= 0){
2582
                av_init_packet(pkt);
2583
                pkt->data=NULL;
2584
                pkt->size=0;
2585
                pkt->stream_index= is->video_stream;
2586
                packet_queue_put(&is->videoq, pkt);
2587
            }
2588
            SDL_Delay(10);
2589
            if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2590
                if(loop!=1 && (!loop || --loop)){
2591
                    stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2592
                }else if(autoexit){
2593
                    ret=AVERROR_EOF;
2594
                    goto fail;
2595
                }
2596
            }
2597
            continue;
2598
        }
2599
        ret = av_read_frame(ic, pkt);
2600
        if (ret < 0) {
2601
            if (ret == AVERROR_EOF || url_feof(ic->pb))
2602
                eof=1;
2603
            if (url_ferror(ic->pb))
2604
                break;
2605
            SDL_Delay(100); /* wait for user event */
2606
            continue;
2607
        }
2608
        /* check if packet is in play range specified by user, then queue, otherwise discard */
2609
        pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2610
                (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2611
                av_q2d(ic->streams[pkt->stream_index]->time_base) -
2612
                (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2613
                <= ((double)duration/1000000);
2614
        if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
2615
            packet_queue_put(&is->audioq, pkt);
2616
        } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
2617
            packet_queue_put(&is->videoq, pkt);
2618
        } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
2619
            packet_queue_put(&is->subtitleq, pkt);
2620
        } else {
2621
            av_free_packet(pkt);
2622
        }
2623
    }
2624
    /* wait until the end */
2625
    while (!is->abort_request) {
2626
        SDL_Delay(100);
2627
    }
2628

    
2629
    ret = 0;
2630
 fail:
2631
    /* disable interrupting */
2632
    global_video_state = NULL;
2633

    
2634
    /* close each stream */
2635
    if (is->audio_stream >= 0)
2636
        stream_component_close(is, is->audio_stream);
2637
    if (is->video_stream >= 0)
2638
        stream_component_close(is, is->video_stream);
2639
    if (is->subtitle_stream >= 0)
2640
        stream_component_close(is, is->subtitle_stream);
2641
    if (is->ic) {
2642
        av_close_input_file(is->ic);
2643
        is->ic = NULL; /* safety */
2644
    }
2645
    url_set_interrupt_cb(NULL);
2646

    
2647
    if (ret != 0) {
2648
        SDL_Event event;
2649

    
2650
        event.type = FF_QUIT_EVENT;
2651
        event.user.data1 = is;
2652
        SDL_PushEvent(&event);
2653
    }
2654
    return 0;
2655
}
2656

    
2657
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2658
{
2659
    VideoState *is;
2660

    
2661
    is = av_mallocz(sizeof(VideoState));
2662
    if (!is)
2663
        return NULL;
2664
    av_strlcpy(is->filename, filename, sizeof(is->filename));
2665
    is->iformat = iformat;
2666
    is->ytop = 0;
2667
    is->xleft = 0;
2668

    
2669
    /* start video display */
2670
    is->pictq_mutex = SDL_CreateMutex();
2671
    is->pictq_cond = SDL_CreateCond();
2672

    
2673
    is->subpq_mutex = SDL_CreateMutex();
2674
    is->subpq_cond = SDL_CreateCond();
2675

    
2676
    is->av_sync_type = av_sync_type;
2677
    is->parse_tid = SDL_CreateThread(decode_thread, is);
2678
    if (!is->parse_tid) {
2679
        av_free(is);
2680
        return NULL;
2681
    }
2682
    return is;
2683
}
2684

    
2685
static void stream_cycle_channel(VideoState *is, int codec_type)
2686
{
2687
    AVFormatContext *ic = is->ic;
2688
    int start_index, stream_index;
2689
    AVStream *st;
2690

    
2691
    if (codec_type == AVMEDIA_TYPE_VIDEO)
2692
        start_index = is->video_stream;
2693
    else if (codec_type == AVMEDIA_TYPE_AUDIO)
2694
        start_index = is->audio_stream;
2695
    else
2696
        start_index = is->subtitle_stream;
2697
    if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
2698
        return;
2699
    stream_index = start_index;
2700
    for(;;) {
2701
        if (++stream_index >= is->ic->nb_streams)
2702
        {
2703
            if (codec_type == AVMEDIA_TYPE_SUBTITLE)
2704
            {
2705
                stream_index = -1;
2706
                goto the_end;
2707
            } else
2708
                stream_index = 0;
2709
        }
2710
        if (stream_index == start_index)
2711
            return;
2712
        st = ic->streams[stream_index];
2713
        if (st->codec->codec_type == codec_type) {
2714
            /* check that parameters are OK */
2715
            switch(codec_type) {
2716
            case AVMEDIA_TYPE_AUDIO:
2717
                if (st->codec->sample_rate != 0 &&
2718
                    st->codec->channels != 0)
2719
                    goto the_end;
2720
                break;
2721
            case AVMEDIA_TYPE_VIDEO:
2722
            case AVMEDIA_TYPE_SUBTITLE:
2723
                goto the_end;
2724
            default:
2725
                break;
2726
            }
2727
        }
2728
    }
2729
 the_end:
2730
    stream_component_close(is, start_index);
2731
    stream_component_open(is, stream_index);
2732
}
2733

    
2734

    
2735
static void toggle_full_screen(void)
2736
{
2737
    is_full_screen = !is_full_screen;
2738
    if (!fs_screen_width) {
2739
        /* use default SDL method */
2740
//        SDL_WM_ToggleFullScreen(screen);
2741
    }
2742
    video_open(cur_stream);
2743
}
2744

    
2745
static void toggle_pause(void)
2746
{
2747
    if (cur_stream)
2748
        stream_pause(cur_stream);
2749
    step = 0;
2750
}
2751

    
2752
static void step_to_next_frame(void)
2753
{
2754
    if (cur_stream) {
2755
        /* if the stream is paused unpause it, then step */
2756
        if (cur_stream->paused)
2757
            stream_pause(cur_stream);
2758
    }
2759
    step = 1;
2760
}
2761

    
2762
static void toggle_audio_display(void)
2763
{
2764
    if (cur_stream) {
2765
        int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2766
        cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
2767
        fill_rectangle(screen,
2768
                    cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2769
                    bgcolor);
2770
        SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
2771
    }
2772
}
2773

    
2774
/* handle an event sent by the GUI */
2775
static void event_loop(void)
2776
{
2777
    SDL_Event event;
2778
    double incr, pos, frac;
2779

    
2780
    for(;;) {
2781
        double x;
2782
        SDL_WaitEvent(&event);
2783
        switch(event.type) {
2784
        case SDL_KEYDOWN:
2785
            if (exit_on_keydown) {
2786
                do_exit();
2787
                break;
2788
            }
2789
            switch(event.key.keysym.sym) {
2790
            case SDLK_ESCAPE:
2791
            case SDLK_q:
2792
                do_exit();
2793
                break;
2794
            case SDLK_f:
2795
                toggle_full_screen();
2796
                break;
2797
            case SDLK_p:
2798
            case SDLK_SPACE:
2799
                toggle_pause();
2800
                break;
2801
            case SDLK_s: //S: Step to next frame
2802
                step_to_next_frame();
2803
                break;
2804
            case SDLK_a:
2805
                if (cur_stream)
2806
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
2807
                break;
2808
            case SDLK_v:
2809
                if (cur_stream)
2810
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
2811
                break;
2812
            case SDLK_t:
2813
                if (cur_stream)
2814
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
2815
                break;
2816
            case SDLK_w:
2817
                toggle_audio_display();
2818
                break;
2819
            case SDLK_LEFT:
2820
                incr = -10.0;
2821
                goto do_seek;
2822
            case SDLK_RIGHT:
2823
                incr = 10.0;
2824
                goto do_seek;
2825
            case SDLK_UP:
2826
                incr = 60.0;
2827
                goto do_seek;
2828
            case SDLK_DOWN:
2829
                incr = -60.0;
2830
            do_seek:
2831
                if (cur_stream) {
2832
                    if (seek_by_bytes) {
2833
                        if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2834
                            pos= cur_stream->video_current_pos;
2835
                        }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2836
                            pos= cur_stream->audio_pkt.pos;
2837
                        }else
2838
                            pos = url_ftell(cur_stream->ic->pb);
2839
                        if (cur_stream->ic->bit_rate)
2840
                            incr *= cur_stream->ic->bit_rate / 8.0;
2841
                        else
2842
                            incr *= 180000.0;
2843
                        pos += incr;
2844
                        stream_seek(cur_stream, pos, incr, 1);
2845
                    } else {
2846
                        pos = get_master_clock(cur_stream);
2847
                        pos += incr;
2848
                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
2849
                    }
2850
                }
2851
                break;
2852
            default:
2853
                break;
2854
            }
2855
            break;
2856
        case SDL_MOUSEBUTTONDOWN:
2857
            if (exit_on_mousedown) {
2858
                do_exit();
2859
                break;
2860
            }
2861
        case SDL_MOUSEMOTION:
2862
            if(event.type ==SDL_MOUSEBUTTONDOWN){
2863
                x= event.button.x;
2864
            }else{
2865
                if(event.motion.state != SDL_PRESSED)
2866
                    break;
2867
                x= event.motion.x;
2868
            }
2869
            if (cur_stream) {
2870
                if(seek_by_bytes || cur_stream->ic->duration<=0){
2871
                    uint64_t size=  url_fsize(cur_stream->ic->pb);
2872
                    stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2873
                }else{
2874
                    int64_t ts;
2875
                    int ns, hh, mm, ss;
2876
                    int tns, thh, tmm, tss;
2877
                    tns = cur_stream->ic->duration/1000000LL;
2878
                    thh = tns/3600;
2879
                    tmm = (tns%3600)/60;
2880
                    tss = (tns%60);
2881
                    frac = x/cur_stream->width;
2882
                    ns = frac*tns;
2883
                    hh = ns/3600;
2884
                    mm = (ns%3600)/60;
2885
                    ss = (ns%60);
2886
                    fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d)       \n", frac*100,
2887
                            hh, mm, ss, thh, tmm, tss);
2888
                    ts = frac*cur_stream->ic->duration;
2889
                    if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2890
                        ts += cur_stream->ic->start_time;
2891
                    stream_seek(cur_stream, ts, 0, 0);
2892
                }
2893
            }
2894
            break;
2895
        case SDL_VIDEORESIZE:
2896
            if (cur_stream) {
2897
                screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
2898
                                          SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
2899
                screen_width = cur_stream->width = event.resize.w;
2900
                screen_height= cur_stream->height= event.resize.h;
2901
            }
2902
            break;
2903
        case SDL_QUIT:
2904
        case FF_QUIT_EVENT:
2905
            do_exit();
2906
            break;
2907
        case FF_ALLOC_EVENT:
2908
            video_open(event.user.data1);
2909
            alloc_picture(event.user.data1);
2910
            break;
2911
        case FF_REFRESH_EVENT:
2912
            video_refresh_timer(event.user.data1);
2913
            cur_stream->refresh=0;
2914
            break;
2915
        default:
2916
            break;
2917
        }
2918
    }
2919
}
2920

    
2921
static void opt_frame_size(const char *arg)
2922
{
2923
    if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2924
        fprintf(stderr, "Incorrect frame size\n");
2925
        exit(1);
2926
    }
2927
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2928
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2929
        exit(1);
2930
    }
2931
}
2932

    
2933
static int opt_width(const char *opt, const char *arg)
2934
{
2935
    screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2936
    return 0;
2937
}
2938

    
2939
static int opt_height(const char *opt, const char *arg)
2940
{
2941
    screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2942
    return 0;
2943
}
2944

    
2945
static void opt_format(const char *arg)
2946
{
2947
    file_iformat = av_find_input_format(arg);
2948
    if (!file_iformat) {
2949
        fprintf(stderr, "Unknown input format: %s\n", arg);
2950
        exit(1);
2951
    }
2952
}
2953

    
2954
static void opt_frame_pix_fmt(const char *arg)
2955
{
2956
    frame_pix_fmt = av_get_pix_fmt(arg);
2957
}
2958

    
2959
static int opt_sync(const char *opt, const char *arg)
2960
{
2961
    if (!strcmp(arg, "audio"))
2962
        av_sync_type = AV_SYNC_AUDIO_MASTER;
2963
    else if (!strcmp(arg, "video"))
2964
        av_sync_type = AV_SYNC_VIDEO_MASTER;
2965
    else if (!strcmp(arg, "ext"))
2966
        av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
2967
    else {
2968
        fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
2969
        exit(1);
2970
    }
2971
    return 0;
2972
}
2973

    
2974
static int opt_seek(const char *opt, const char *arg)
2975
{
2976
    start_time = parse_time_or_die(opt, arg, 1);
2977
    return 0;
2978
}
2979

    
2980
static int opt_duration(const char *opt, const char *arg)
2981
{
2982
    duration = parse_time_or_die(opt, arg, 1);
2983
    return 0;
2984
}
2985

    
2986
static int opt_debug(const char *opt, const char *arg)
2987
{
2988
    av_log_set_level(99);
2989
    debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2990
    return 0;
2991
}
2992

    
2993
static int opt_vismv(const char *opt, const char *arg)
2994
{
2995
    debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2996
    return 0;
2997
}
2998

    
2999
static int opt_thread_count(const char *opt, const char *arg)
3000
{
3001
    thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3002
#if !HAVE_THREADS
3003
    fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
3004
#endif
3005
    return 0;
3006
}
3007

    
3008
static const OptionDef options[] = {
3009
#include "cmdutils_common_opts.h"
3010
    { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
3011
    { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
3012
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3013
    { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
3014
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
3015
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
3016
    { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
3017
    { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
3018
    { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
3019
    { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
3020
    { "t", HAS_ARG | OPT_FUNC2, {(void*)&opt_duration}, "play  \"duration\" seconds of audio/video", "duration" },
3021
    { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
3022
    { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
3023
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3024
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3025
    { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
3026
    { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
3027
    { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
3028
    { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
3029
    { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
3030
    { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
3031
    { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
3032
    { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
3033
    { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
3034
    { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
3035
    { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
3036
    { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo",  "algo" },
3037
    { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)",  "threshold" },
3038
    { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options",  "bit_mask" },
3039
    { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
3040
    { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3041
    { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
3042
    { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
3043
    { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
3044
    { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
3045
    { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
3046
    { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
3047
#if CONFIG_AVFILTER
3048
    { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
3049
#endif
3050
    { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
3051
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3052
    { NULL, },
3053
};
3054

    
3055
static void show_usage(void)
3056
{
3057
    printf("Simple media player\n");
3058
    printf("usage: ffplay [options] input_file\n");
3059
    printf("\n");
3060
}
3061

    
3062
static void show_help(void)
3063
{
3064
    av_log_set_callback(log_callback_help);
3065
    show_usage();
3066
    show_help_options(options, "Main options:\n",
3067
                      OPT_EXPERT, 0);
3068
    show_help_options(options, "\nAdvanced options:\n",
3069
                      OPT_EXPERT, OPT_EXPERT);
3070
    printf("\n");
3071
    av_opt_show2(avcodec_opts[0], NULL,
3072
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3073
    printf("\n");
3074
    av_opt_show2(avformat_opts, NULL,
3075
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3076
#if !CONFIG_AVFILTER
3077
    printf("\n");
3078
    av_opt_show2(sws_opts, NULL,
3079
                 AV_OPT_FLAG_ENCODING_PARAM, 0);
3080
#endif
3081
    printf("\nWhile playing:\n"
3082
           "q, ESC              quit\n"
3083
           "f                   toggle full screen\n"
3084
           "p, SPC              pause\n"
3085
           "a                   cycle audio channel\n"
3086
           "v                   cycle video channel\n"
3087
           "t                   cycle subtitle channel\n"
3088
           "w                   show audio waves\n"
3089
           "s                   activate frame-step mode\n"
3090
           "left/right          seek backward/forward 10 seconds\n"
3091
           "down/up             seek backward/forward 1 minute\n"
3092
           "mouse click         seek to percentage in file corresponding to fraction of width\n"
3093
           );
3094
}
3095

    
3096
static void opt_input_file(const char *filename)
3097
{
3098
    if (input_filename) {
3099
        fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3100
                filename, input_filename);
3101
        exit(1);
3102
    }
3103
    if (!strcmp(filename, "-"))
3104
        filename = "pipe:";
3105
    input_filename = filename;
3106
}
3107

    
3108
/* Called from the main */
3109
int main(int argc, char **argv)
3110
{
3111
    int flags;
3112

    
3113
    av_log_set_flags(AV_LOG_SKIP_REPEATED);
3114

    
3115
    /* register all codecs, demux and protocols */
3116
    avcodec_register_all();
3117
#if CONFIG_AVDEVICE
3118
    avdevice_register_all();
3119
#endif
3120
#if CONFIG_AVFILTER
3121
    avfilter_register_all();
3122
#endif
3123
    av_register_all();
3124

    
3125
    init_opts();
3126

    
3127
    show_banner();
3128

    
3129
    parse_options(argc, argv, options, opt_input_file);
3130

    
3131
    if (!input_filename) {
3132
        show_usage();
3133
        fprintf(stderr, "An input file must be specified\n");
3134
        fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
3135
        exit(1);
3136
    }
3137

    
3138
    if (display_disable) {
3139
        video_disable = 1;
3140
    }
3141
    flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
3142
#if !defined(__MINGW32__) && !defined(__APPLE__)
3143
    flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
3144
#endif
3145
    if (SDL_Init (flags)) {
3146
        fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
3147
        exit(1);
3148
    }
3149

    
3150
    if (!display_disable) {
3151
#if HAVE_SDL_VIDEO_SIZE
3152
        const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3153
        fs_screen_width = vi->current_w;
3154
        fs_screen_height = vi->current_h;
3155
#endif
3156
    }
3157

    
3158
    SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
3159
    SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3160
    SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3161

    
3162
    av_init_packet(&flush_pkt);
3163
    flush_pkt.data= "FLUSH";
3164

    
3165
    cur_stream = stream_open(input_filename, file_iformat);
3166

    
3167
    event_loop();
3168

    
3169
    /* never returns */
3170

    
3171
    return 0;
3172
}