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

    
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#define _XOPEN_SOURCE 600
23

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

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

    
46
#include "cmdutils.h"
47

    
48
#include <SDL.h>
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#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
62
//#define DEBUG_SYNC
63

    
64
#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
67

    
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/* 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. */
70
#define SDL_AUDIO_BUFFER_SIZE 1024
71

    
72
/* no AV sync correction is done if below the AV sync threshold */
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#define AV_SYNC_THRESHOLD 0.01
74
/* no AV correction is done if too big error */
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#define AV_NOSYNC_THRESHOLD 10.0
76

    
77
#define FRAME_SKIP_FACTOR 0.05
78

    
79
/* maximum audio speed change to get correct sync */
80
#define SAMPLE_CORRECTION_PERCENT_MAX 10
81

    
82
/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
83
#define AUDIO_DIFF_AVG_NB   20
84

    
85
/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
86
#define SAMPLE_ARRAY_SIZE (2*65536)
87

    
88
static int sws_flags = SWS_BICUBIC;
89

    
90
typedef struct PacketQueue {
91
    AVPacketList *first_pkt, *last_pkt;
92
    int nb_packets;
93
    int size;
94
    int abort_request;
95
    SDL_mutex *mutex;
96
    SDL_cond *cond;
97
} PacketQueue;
98

    
99
#define VIDEO_PICTURE_QUEUE_SIZE 2
100
#define SUBPICTURE_QUEUE_SIZE 4
101

    
102
typedef struct VideoPicture {
103
    double pts;                                  ///<presentation time stamp for this picture
104
    double target_clock;                         ///<av_gettime() time at which this should be displayed ideally
105
    int64_t pos;                                 ///<byte position in file
106
    SDL_Overlay *bmp;
107
    int width, height; /* source height & width */
108
    int allocated;
109
    enum PixelFormat pix_fmt;
110

    
111
#if CONFIG_AVFILTER
112
    AVFilterBufferRef *picref;
113
#endif
114
} VideoPicture;
115

    
116
typedef struct SubPicture {
117
    double pts; /* presentation time stamp for this picture */
118
    AVSubtitle sub;
119
} SubPicture;
120

    
121
enum {
122
    AV_SYNC_AUDIO_MASTER, /* default choice */
123
    AV_SYNC_VIDEO_MASTER,
124
    AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
125
};
126

    
127
typedef struct VideoState {
128
    SDL_Thread *parse_tid;
129
    SDL_Thread *video_tid;
130
    SDL_Thread *refresh_tid;
131
    AVInputFormat *iformat;
132
    int no_background;
133
    int abort_request;
134
    int paused;
135
    int last_paused;
136
    int seek_req;
137
    int seek_flags;
138
    int64_t seek_pos;
139
    int64_t seek_rel;
140
    int read_pause_return;
141
    AVFormatContext *ic;
142
    int dtg_active_format;
143

    
144
    int audio_stream;
145

    
146
    int av_sync_type;
147
    double external_clock; /* external clock base */
148
    int64_t external_clock_time;
149

    
150
    double audio_clock;
151
    double audio_diff_cum; /* used for AV difference average computation */
152
    double audio_diff_avg_coef;
153
    double audio_diff_threshold;
154
    int audio_diff_avg_count;
155
    AVStream *audio_st;
156
    PacketQueue audioq;
157
    int audio_hw_buf_size;
158
    /* samples output by the codec. we reserve more space for avsync
159
       compensation */
160
    DECLARE_ALIGNED(16,uint8_t,audio_buf1)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
161
    DECLARE_ALIGNED(16,uint8_t,audio_buf2)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
162
    uint8_t *audio_buf;
163
    unsigned int audio_buf_size; /* in bytes */
164
    int audio_buf_index; /* in bytes */
165
    AVPacket audio_pkt_temp;
166
    AVPacket audio_pkt;
167
    enum AVSampleFormat audio_src_fmt;
168
    AVAudioConvert *reformat_ctx;
169

    
170
    int show_audio; /* if true, display audio samples */
171
    int16_t sample_array[SAMPLE_ARRAY_SIZE];
172
    int sample_array_index;
173
    int last_i_start;
174
    RDFTContext *rdft;
175
    int rdft_bits;
176
    FFTSample *rdft_data;
177
    int xpos;
178

    
179
    SDL_Thread *subtitle_tid;
180
    int subtitle_stream;
181
    int subtitle_stream_changed;
182
    AVStream *subtitle_st;
183
    PacketQueue subtitleq;
184
    SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
185
    int subpq_size, subpq_rindex, subpq_windex;
186
    SDL_mutex *subpq_mutex;
187
    SDL_cond *subpq_cond;
188

    
189
    double frame_timer;
190
    double frame_last_pts;
191
    double frame_last_delay;
192
    double video_clock;                          ///<pts of last decoded frame / predicted pts of next decoded frame
193
    int video_stream;
194
    AVStream *video_st;
195
    PacketQueue videoq;
196
    double video_current_pts;                    ///<current displayed pts (different from video_clock if frame fifos are used)
197
    double video_current_pts_drift;              ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
198
    int64_t video_current_pos;                   ///<current displayed file pos
199
    VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
200
    int pictq_size, pictq_rindex, pictq_windex;
201
    SDL_mutex *pictq_mutex;
202
    SDL_cond *pictq_cond;
203
#if !CONFIG_AVFILTER
204
    struct SwsContext *img_convert_ctx;
205
#endif
206

    
207
    //    QETimer *video_timer;
208
    char filename[1024];
209
    int width, height, xleft, ytop;
210

    
211
    PtsCorrectionContext pts_ctx;
212

    
213
#if CONFIG_AVFILTER
214
    AVFilterContext *out_video_filter;          ///<the last filter in the video chain
215
#endif
216

    
217
    float skip_frames;
218
    float skip_frames_index;
219
    int refresh;
220
} VideoState;
221

    
222
static void show_help(void);
223
static int audio_write_get_buf_size(VideoState *is);
224

    
225
/* options specified by the user */
226
static AVInputFormat *file_iformat;
227
static const char *input_filename;
228
static const char *window_title;
229
static int fs_screen_width;
230
static int fs_screen_height;
231
static int screen_width = 0;
232
static int screen_height = 0;
233
static int frame_width = 0;
234
static int frame_height = 0;
235
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
236
static int audio_disable;
237
static int video_disable;
238
static int wanted_stream[AVMEDIA_TYPE_NB]={
239
    [AVMEDIA_TYPE_AUDIO]=-1,
240
    [AVMEDIA_TYPE_VIDEO]=-1,
241
    [AVMEDIA_TYPE_SUBTITLE]=-1,
242
};
243
static int seek_by_bytes=-1;
244
static int display_disable;
245
static int show_status = 1;
246
static int av_sync_type = AV_SYNC_AUDIO_MASTER;
247
static int64_t start_time = AV_NOPTS_VALUE;
248
static int64_t duration = AV_NOPTS_VALUE;
249
static int debug = 0;
250
static int debug_mv = 0;
251
static int step = 0;
252
static int thread_count = 1;
253
static int workaround_bugs = 1;
254
static int fast = 0;
255
static int genpts = 0;
256
static int lowres = 0;
257
static int idct = FF_IDCT_AUTO;
258
static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
259
static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
260
static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
261
static int error_recognition = FF_ER_CAREFUL;
262
static int error_concealment = 3;
263
static int decoder_reorder_pts= -1;
264
static int autoexit;
265
static int exit_on_keydown;
266
static int exit_on_mousedown;
267
static int loop=1;
268
static int framedrop=1;
269

    
270
static int rdftspeed=20;
271
#if CONFIG_AVFILTER
272
static char *vfilters = NULL;
273
#endif
274

    
275
/* current context */
276
static int is_full_screen;
277
static VideoState *cur_stream;
278
static int64_t audio_callback_time;
279

    
280
static AVPacket flush_pkt;
281

    
282
#define FF_ALLOC_EVENT   (SDL_USEREVENT)
283
#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
284
#define FF_QUIT_EVENT    (SDL_USEREVENT + 2)
285

    
286
static SDL_Surface *screen;
287

    
288
static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
289

    
290
/* packet queue handling */
291
static void packet_queue_init(PacketQueue *q)
292
{
293
    memset(q, 0, sizeof(PacketQueue));
294
    q->mutex = SDL_CreateMutex();
295
    q->cond = SDL_CreateCond();
296
    packet_queue_put(q, &flush_pkt);
297
}
298

    
299
static void packet_queue_flush(PacketQueue *q)
300
{
301
    AVPacketList *pkt, *pkt1;
302

    
303
    SDL_LockMutex(q->mutex);
304
    for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
305
        pkt1 = pkt->next;
306
        av_free_packet(&pkt->pkt);
307
        av_freep(&pkt);
308
    }
309
    q->last_pkt = NULL;
310
    q->first_pkt = NULL;
311
    q->nb_packets = 0;
312
    q->size = 0;
313
    SDL_UnlockMutex(q->mutex);
314
}
315

    
316
static void packet_queue_end(PacketQueue *q)
317
{
318
    packet_queue_flush(q);
319
    SDL_DestroyMutex(q->mutex);
320
    SDL_DestroyCond(q->cond);
321
}
322

    
323
static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
324
{
325
    AVPacketList *pkt1;
326

    
327
    /* duplicate the packet */
328
    if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
329
        return -1;
330

    
331
    pkt1 = av_malloc(sizeof(AVPacketList));
332
    if (!pkt1)
333
        return -1;
334
    pkt1->pkt = *pkt;
335
    pkt1->next = NULL;
336

    
337

    
338
    SDL_LockMutex(q->mutex);
339

    
340
    if (!q->last_pkt)
341

    
342
        q->first_pkt = pkt1;
343
    else
344
        q->last_pkt->next = pkt1;
345
    q->last_pkt = pkt1;
346
    q->nb_packets++;
347
    q->size += pkt1->pkt.size + sizeof(*pkt1);
348
    /* XXX: should duplicate packet data in DV case */
349
    SDL_CondSignal(q->cond);
350

    
351
    SDL_UnlockMutex(q->mutex);
352
    return 0;
353
}
354

    
355
static void packet_queue_abort(PacketQueue *q)
356
{
357
    SDL_LockMutex(q->mutex);
358

    
359
    q->abort_request = 1;
360

    
361
    SDL_CondSignal(q->cond);
362

    
363
    SDL_UnlockMutex(q->mutex);
364
}
365

    
366
/* return < 0 if aborted, 0 if no packet and > 0 if packet.  */
367
static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
368
{
369
    AVPacketList *pkt1;
370
    int ret;
371

    
372
    SDL_LockMutex(q->mutex);
373

    
374
    for(;;) {
375
        if (q->abort_request) {
376
            ret = -1;
377
            break;
378
        }
379

    
380
        pkt1 = q->first_pkt;
381
        if (pkt1) {
382
            q->first_pkt = pkt1->next;
383
            if (!q->first_pkt)
384
                q->last_pkt = NULL;
385
            q->nb_packets--;
386
            q->size -= pkt1->pkt.size + sizeof(*pkt1);
387
            *pkt = pkt1->pkt;
388
            av_free(pkt1);
389
            ret = 1;
390
            break;
391
        } else if (!block) {
392
            ret = 0;
393
            break;
394
        } else {
395
            SDL_CondWait(q->cond, q->mutex);
396
        }
397
    }
398
    SDL_UnlockMutex(q->mutex);
399
    return ret;
400
}
401

    
402
static inline void fill_rectangle(SDL_Surface *screen,
403
                                  int x, int y, int w, int h, int color)
404
{
405
    SDL_Rect rect;
406
    rect.x = x;
407
    rect.y = y;
408
    rect.w = w;
409
    rect.h = h;
410
    SDL_FillRect(screen, &rect, color);
411
}
412

    
413
#if 0
414
/* draw only the border of a rectangle */
415
void fill_border(VideoState *s, int x, int y, int w, int h, int color)
416
{
417
    int w1, w2, h1, h2;
418

419
    /* fill the background */
420
    w1 = x;
421
    if (w1 < 0)
422
        w1 = 0;
423
    w2 = s->width - (x + w);
424
    if (w2 < 0)
425
        w2 = 0;
426
    h1 = y;
427
    if (h1 < 0)
428
        h1 = 0;
429
    h2 = s->height - (y + h);
430
    if (h2 < 0)
431
        h2 = 0;
432
    fill_rectangle(screen,
433
                   s->xleft, s->ytop,
434
                   w1, s->height,
435
                   color);
436
    fill_rectangle(screen,
437
                   s->xleft + s->width - w2, s->ytop,
438
                   w2, s->height,
439
                   color);
440
    fill_rectangle(screen,
441
                   s->xleft + w1, s->ytop,
442
                   s->width - w1 - w2, h1,
443
                   color);
444
    fill_rectangle(screen,
445
                   s->xleft + w1, s->ytop + s->height - h2,
446
                   s->width - w1 - w2, h2,
447
                   color);
448
}
449
#endif
450

    
451
#define ALPHA_BLEND(a, oldp, newp, s)\
452
((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
453

    
454
#define RGBA_IN(r, g, b, a, s)\
455
{\
456
    unsigned int v = ((const uint32_t *)(s))[0];\
457
    a = (v >> 24) & 0xff;\
458
    r = (v >> 16) & 0xff;\
459
    g = (v >> 8) & 0xff;\
460
    b = v & 0xff;\
461
}
462

    
463
#define YUVA_IN(y, u, v, a, s, pal)\
464
{\
465
    unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
466
    a = (val >> 24) & 0xff;\
467
    y = (val >> 16) & 0xff;\
468
    u = (val >> 8) & 0xff;\
469
    v = val & 0xff;\
470
}
471

    
472
#define YUVA_OUT(d, y, u, v, a)\
473
{\
474
    ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
475
}
476

    
477

    
478
#define BPP 1
479

    
480
static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
481
{
482
    int wrap, wrap3, width2, skip2;
483
    int y, u, v, a, u1, v1, a1, w, h;
484
    uint8_t *lum, *cb, *cr;
485
    const uint8_t *p;
486
    const uint32_t *pal;
487
    int dstx, dsty, dstw, dsth;
488

    
489
    dstw = av_clip(rect->w, 0, imgw);
490
    dsth = av_clip(rect->h, 0, imgh);
491
    dstx = av_clip(rect->x, 0, imgw - dstw);
492
    dsty = av_clip(rect->y, 0, imgh - dsth);
493
    lum = dst->data[0] + dsty * dst->linesize[0];
494
    cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
495
    cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
496

    
497
    width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
498
    skip2 = dstx >> 1;
499
    wrap = dst->linesize[0];
500
    wrap3 = rect->pict.linesize[0];
501
    p = rect->pict.data[0];
502
    pal = (const uint32_t *)rect->pict.data[1];  /* Now in YCrCb! */
503

    
504
    if (dsty & 1) {
505
        lum += dstx;
506
        cb += skip2;
507
        cr += skip2;
508

    
509
        if (dstx & 1) {
510
            YUVA_IN(y, u, v, a, p, pal);
511
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
512
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
513
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
514
            cb++;
515
            cr++;
516
            lum++;
517
            p += BPP;
518
        }
519
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
520
            YUVA_IN(y, u, v, a, p, pal);
521
            u1 = u;
522
            v1 = v;
523
            a1 = a;
524
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
525

    
526
            YUVA_IN(y, u, v, a, p + BPP, pal);
527
            u1 += u;
528
            v1 += v;
529
            a1 += a;
530
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
531
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
532
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
533
            cb++;
534
            cr++;
535
            p += 2 * BPP;
536
            lum += 2;
537
        }
538
        if (w) {
539
            YUVA_IN(y, u, v, a, p, pal);
540
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
541
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
542
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
543
            p++;
544
            lum++;
545
        }
546
        p += wrap3 - dstw * BPP;
547
        lum += wrap - dstw - dstx;
548
        cb += dst->linesize[1] - width2 - skip2;
549
        cr += dst->linesize[2] - width2 - skip2;
550
    }
551
    for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
552
        lum += dstx;
553
        cb += skip2;
554
        cr += skip2;
555

    
556
        if (dstx & 1) {
557
            YUVA_IN(y, u, v, a, p, pal);
558
            u1 = u;
559
            v1 = v;
560
            a1 = a;
561
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
562
            p += wrap3;
563
            lum += wrap;
564
            YUVA_IN(y, u, v, a, p, pal);
565
            u1 += u;
566
            v1 += v;
567
            a1 += a;
568
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
569
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
570
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
571
            cb++;
572
            cr++;
573
            p += -wrap3 + BPP;
574
            lum += -wrap + 1;
575
        }
576
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
577
            YUVA_IN(y, u, v, a, p, pal);
578
            u1 = u;
579
            v1 = v;
580
            a1 = a;
581
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
582

    
583
            YUVA_IN(y, u, v, a, p + BPP, pal);
584
            u1 += u;
585
            v1 += v;
586
            a1 += a;
587
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
588
            p += wrap3;
589
            lum += wrap;
590

    
591
            YUVA_IN(y, u, v, a, p, pal);
592
            u1 += u;
593
            v1 += v;
594
            a1 += a;
595
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
596

    
597
            YUVA_IN(y, u, v, a, p + BPP, pal);
598
            u1 += u;
599
            v1 += v;
600
            a1 += a;
601
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
602

    
603
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
604
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
605

    
606
            cb++;
607
            cr++;
608
            p += -wrap3 + 2 * BPP;
609
            lum += -wrap + 2;
610
        }
611
        if (w) {
612
            YUVA_IN(y, u, v, a, p, pal);
613
            u1 = u;
614
            v1 = v;
615
            a1 = a;
616
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
617
            p += wrap3;
618
            lum += wrap;
619
            YUVA_IN(y, u, v, a, p, pal);
620
            u1 += u;
621
            v1 += v;
622
            a1 += a;
623
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
624
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
625
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
626
            cb++;
627
            cr++;
628
            p += -wrap3 + BPP;
629
            lum += -wrap + 1;
630
        }
631
        p += wrap3 + (wrap3 - dstw * BPP);
632
        lum += wrap + (wrap - dstw - dstx);
633
        cb += dst->linesize[1] - width2 - skip2;
634
        cr += dst->linesize[2] - width2 - skip2;
635
    }
636
    /* handle odd height */
637
    if (h) {
638
        lum += dstx;
639
        cb += skip2;
640
        cr += skip2;
641

    
642
        if (dstx & 1) {
643
            YUVA_IN(y, u, v, a, p, pal);
644
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
645
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
646
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
647
            cb++;
648
            cr++;
649
            lum++;
650
            p += BPP;
651
        }
652
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
653
            YUVA_IN(y, u, v, a, p, pal);
654
            u1 = u;
655
            v1 = v;
656
            a1 = a;
657
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
658

    
659
            YUVA_IN(y, u, v, a, p + BPP, pal);
660
            u1 += u;
661
            v1 += v;
662
            a1 += a;
663
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
664
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
665
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
666
            cb++;
667
            cr++;
668
            p += 2 * BPP;
669
            lum += 2;
670
        }
671
        if (w) {
672
            YUVA_IN(y, u, v, a, p, pal);
673
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
674
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
675
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
676
        }
677
    }
678
}
679

    
680
static void free_subpicture(SubPicture *sp)
681
{
682
    avsubtitle_free(&sp->sub);
683
}
684

    
685
static void video_image_display(VideoState *is)
686
{
687
    VideoPicture *vp;
688
    SubPicture *sp;
689
    AVPicture pict;
690
    float aspect_ratio;
691
    int width, height, x, y;
692
    SDL_Rect rect;
693
    int i;
694

    
695
    vp = &is->pictq[is->pictq_rindex];
696
    if (vp->bmp) {
697
#if CONFIG_AVFILTER
698
         if (vp->picref->video->pixel_aspect.num == 0)
699
             aspect_ratio = 0;
700
         else
701
             aspect_ratio = av_q2d(vp->picref->video->pixel_aspect);
702
#else
703

    
704
        /* XXX: use variable in the frame */
705
        if (is->video_st->sample_aspect_ratio.num)
706
            aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
707
        else if (is->video_st->codec->sample_aspect_ratio.num)
708
            aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
709
        else
710
            aspect_ratio = 0;
711
#endif
712
        if (aspect_ratio <= 0.0)
713
            aspect_ratio = 1.0;
714
        aspect_ratio *= (float)vp->width / (float)vp->height;
715
        /* if an active format is indicated, then it overrides the
716
           mpeg format */
717
#if 0
718
        if (is->video_st->codec->dtg_active_format != is->dtg_active_format) {
719
            is->dtg_active_format = is->video_st->codec->dtg_active_format;
720
            printf("dtg_active_format=%d\n", is->dtg_active_format);
721
        }
722
#endif
723
#if 0
724
        switch(is->video_st->codec->dtg_active_format) {
725
        case FF_DTG_AFD_SAME:
726
        default:
727
            /* nothing to do */
728
            break;
729
        case FF_DTG_AFD_4_3:
730
            aspect_ratio = 4.0 / 3.0;
731
            break;
732
        case FF_DTG_AFD_16_9:
733
            aspect_ratio = 16.0 / 9.0;
734
            break;
735
        case FF_DTG_AFD_14_9:
736
            aspect_ratio = 14.0 / 9.0;
737
            break;
738
        case FF_DTG_AFD_4_3_SP_14_9:
739
            aspect_ratio = 14.0 / 9.0;
740
            break;
741
        case FF_DTG_AFD_16_9_SP_14_9:
742
            aspect_ratio = 14.0 / 9.0;
743
            break;
744
        case FF_DTG_AFD_SP_4_3:
745
            aspect_ratio = 4.0 / 3.0;
746
            break;
747
        }
748
#endif
749

    
750
        if (is->subtitle_st)
751
        {
752
            if (is->subpq_size > 0)
753
            {
754
                sp = &is->subpq[is->subpq_rindex];
755

    
756
                if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
757
                {
758
                    SDL_LockYUVOverlay (vp->bmp);
759

    
760
                    pict.data[0] = vp->bmp->pixels[0];
761
                    pict.data[1] = vp->bmp->pixels[2];
762
                    pict.data[2] = vp->bmp->pixels[1];
763

    
764
                    pict.linesize[0] = vp->bmp->pitches[0];
765
                    pict.linesize[1] = vp->bmp->pitches[2];
766
                    pict.linesize[2] = vp->bmp->pitches[1];
767

    
768
                    for (i = 0; i < sp->sub.num_rects; i++)
769
                        blend_subrect(&pict, sp->sub.rects[i],
770
                                      vp->bmp->w, vp->bmp->h);
771

    
772
                    SDL_UnlockYUVOverlay (vp->bmp);
773
                }
774
            }
775
        }
776

    
777

    
778
        /* XXX: we suppose the screen has a 1.0 pixel ratio */
779
        height = is->height;
780
        width = ((int)rint(height * aspect_ratio)) & ~1;
781
        if (width > is->width) {
782
            width = is->width;
783
            height = ((int)rint(width / aspect_ratio)) & ~1;
784
        }
785
        x = (is->width - width) / 2;
786
        y = (is->height - height) / 2;
787
        if (!is->no_background) {
788
            /* fill the background */
789
            //            fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
790
        } else {
791
            is->no_background = 0;
792
        }
793
        rect.x = is->xleft + x;
794
        rect.y = is->ytop  + y;
795
        rect.w = width;
796
        rect.h = height;
797
        SDL_DisplayYUVOverlay(vp->bmp, &rect);
798
    } else {
799
#if 0
800
        fill_rectangle(screen,
801
                       is->xleft, is->ytop, is->width, is->height,
802
                       QERGB(0x00, 0x00, 0x00));
803
#endif
804
    }
805
}
806

    
807
static inline int compute_mod(int a, int b)
808
{
809
    a = a % b;
810
    if (a >= 0)
811
        return a;
812
    else
813
        return a + b;
814
}
815

    
816
static void video_audio_display(VideoState *s)
817
{
818
    int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
819
    int ch, channels, h, h2, bgcolor, fgcolor;
820
    int16_t time_diff;
821
    int rdft_bits, nb_freq;
822

    
823
    for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
824
        ;
825
    nb_freq= 1<<(rdft_bits-1);
826

    
827
    /* compute display index : center on currently output samples */
828
    channels = s->audio_st->codec->channels;
829
    nb_display_channels = channels;
830
    if (!s->paused) {
831
        int data_used= s->show_audio==1 ? s->width : (2*nb_freq);
832
        n = 2 * channels;
833
        delay = audio_write_get_buf_size(s);
834
        delay /= n;
835

    
836
        /* to be more precise, we take into account the time spent since
837
           the last buffer computation */
838
        if (audio_callback_time) {
839
            time_diff = av_gettime() - audio_callback_time;
840
            delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
841
        }
842

    
843
        delay += 2*data_used;
844
        if (delay < data_used)
845
            delay = data_used;
846

    
847
        i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
848
        if(s->show_audio==1){
849
            h= INT_MIN;
850
            for(i=0; i<1000; i+=channels){
851
                int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
852
                int a= s->sample_array[idx];
853
                int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
854
                int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
855
                int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
856
                int score= a-d;
857
                if(h<score && (b^c)<0){
858
                    h= score;
859
                    i_start= idx;
860
                }
861
            }
862
        }
863

    
864
        s->last_i_start = i_start;
865
    } else {
866
        i_start = s->last_i_start;
867
    }
868

    
869
    bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
870
    if(s->show_audio==1){
871
        fill_rectangle(screen,
872
                       s->xleft, s->ytop, s->width, s->height,
873
                       bgcolor);
874

    
875
        fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
876

    
877
        /* total height for one channel */
878
        h = s->height / nb_display_channels;
879
        /* graph height / 2 */
880
        h2 = (h * 9) / 20;
881
        for(ch = 0;ch < nb_display_channels; ch++) {
882
            i = i_start + ch;
883
            y1 = s->ytop + ch * h + (h / 2); /* position of center line */
884
            for(x = 0; x < s->width; x++) {
885
                y = (s->sample_array[i] * h2) >> 15;
886
                if (y < 0) {
887
                    y = -y;
888
                    ys = y1 - y;
889
                } else {
890
                    ys = y1;
891
                }
892
                fill_rectangle(screen,
893
                               s->xleft + x, ys, 1, y,
894
                               fgcolor);
895
                i += channels;
896
                if (i >= SAMPLE_ARRAY_SIZE)
897
                    i -= SAMPLE_ARRAY_SIZE;
898
            }
899
        }
900

    
901
        fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
902

    
903
        for(ch = 1;ch < nb_display_channels; ch++) {
904
            y = s->ytop + ch * h;
905
            fill_rectangle(screen,
906
                           s->xleft, y, s->width, 1,
907
                           fgcolor);
908
        }
909
        SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
910
    }else{
911
        nb_display_channels= FFMIN(nb_display_channels, 2);
912
        if(rdft_bits != s->rdft_bits){
913
            av_rdft_end(s->rdft);
914
            av_free(s->rdft_data);
915
            s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
916
            s->rdft_bits= rdft_bits;
917
            s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));
918
        }
919
        {
920
            FFTSample *data[2];
921
            for(ch = 0;ch < nb_display_channels; ch++) {
922
                data[ch] = s->rdft_data + 2*nb_freq*ch;
923
                i = i_start + ch;
924
                for(x = 0; x < 2*nb_freq; x++) {
925
                    double w= (x-nb_freq)*(1.0/nb_freq);
926
                    data[ch][x]= s->sample_array[i]*(1.0-w*w);
927
                    i += channels;
928
                    if (i >= SAMPLE_ARRAY_SIZE)
929
                        i -= SAMPLE_ARRAY_SIZE;
930
                }
931
                av_rdft_calc(s->rdft, data[ch]);
932
            }
933
            //least efficient way to do this, we should of course directly access it but its more than fast enough
934
            for(y=0; y<s->height; y++){
935
                double w= 1/sqrt(nb_freq);
936
                int a= sqrt(w*sqrt(data[0][2*y+0]*data[0][2*y+0] + data[0][2*y+1]*data[0][2*y+1]));
937
                int b= (nb_display_channels == 2 ) ? sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0]
938
                       + data[1][2*y+1]*data[1][2*y+1])) : a;
939
                a= FFMIN(a,255);
940
                b= FFMIN(b,255);
941
                fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
942

    
943
                fill_rectangle(screen,
944
                            s->xpos, s->height-y, 1, 1,
945
                            fgcolor);
946
            }
947
        }
948
        SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
949
        s->xpos++;
950
        if(s->xpos >= s->width)
951
            s->xpos= s->xleft;
952
    }
953
}
954

    
955
static int video_open(VideoState *is){
956
    int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
957
    int w,h;
958

    
959
    if(is_full_screen) flags |= SDL_FULLSCREEN;
960
    else               flags |= SDL_RESIZABLE;
961

    
962
    if (is_full_screen && fs_screen_width) {
963
        w = fs_screen_width;
964
        h = fs_screen_height;
965
    } else if(!is_full_screen && screen_width){
966
        w = screen_width;
967
        h = screen_height;
968
#if CONFIG_AVFILTER
969
    }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
970
        w = is->out_video_filter->inputs[0]->w;
971
        h = is->out_video_filter->inputs[0]->h;
972
#else
973
    }else if (is->video_st && is->video_st->codec->width){
974
        w = is->video_st->codec->width;
975
        h = is->video_st->codec->height;
976
#endif
977
    } else {
978
        w = 640;
979
        h = 480;
980
    }
981
    if(screen && is->width == screen->w && screen->w == w
982
       && is->height== screen->h && screen->h == h)
983
        return 0;
984

    
985
#ifndef __APPLE__
986
    screen = SDL_SetVideoMode(w, h, 0, flags);
987
#else
988
    /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
989
    screen = SDL_SetVideoMode(w, h, 24, flags);
990
#endif
991
    if (!screen) {
992
        fprintf(stderr, "SDL: could not set video mode - exiting\n");
993
        return -1;
994
    }
995
    if (!window_title)
996
        window_title = input_filename;
997
    SDL_WM_SetCaption(window_title, window_title);
998

    
999
    is->width = screen->w;
1000
    is->height = screen->h;
1001

    
1002
    return 0;
1003
}
1004

    
1005
/* display the current picture, if any */
1006
static void video_display(VideoState *is)
1007
{
1008
    if(!screen)
1009
        video_open(cur_stream);
1010
    if (is->audio_st && is->show_audio)
1011
        video_audio_display(is);
1012
    else if (is->video_st)
1013
        video_image_display(is);
1014
}
1015

    
1016
static int refresh_thread(void *opaque)
1017
{
1018
    VideoState *is= opaque;
1019
    while(!is->abort_request){
1020
        SDL_Event event;
1021
        event.type = FF_REFRESH_EVENT;
1022
        event.user.data1 = opaque;
1023
        if(!is->refresh){
1024
            is->refresh=1;
1025
            SDL_PushEvent(&event);
1026
        }
1027
        usleep(is->audio_st && is->show_audio ? rdftspeed*1000 : 5000); //FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
1028
    }
1029
    return 0;
1030
}
1031

    
1032
/* get the current audio clock value */
1033
static double get_audio_clock(VideoState *is)
1034
{
1035
    double pts;
1036
    int hw_buf_size, bytes_per_sec;
1037
    pts = is->audio_clock;
1038
    hw_buf_size = audio_write_get_buf_size(is);
1039
    bytes_per_sec = 0;
1040
    if (is->audio_st) {
1041
        bytes_per_sec = is->audio_st->codec->sample_rate *
1042
            2 * is->audio_st->codec->channels;
1043
    }
1044
    if (bytes_per_sec)
1045
        pts -= (double)hw_buf_size / bytes_per_sec;
1046
    return pts;
1047
}
1048

    
1049
/* get the current video clock value */
1050
static double get_video_clock(VideoState *is)
1051
{
1052
    if (is->paused) {
1053
        return is->video_current_pts;
1054
    } else {
1055
        return is->video_current_pts_drift + av_gettime() / 1000000.0;
1056
    }
1057
}
1058

    
1059
/* get the current external clock value */
1060
static double get_external_clock(VideoState *is)
1061
{
1062
    int64_t ti;
1063
    ti = av_gettime();
1064
    return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
1065
}
1066

    
1067
/* get the current master clock value */
1068
static double get_master_clock(VideoState *is)
1069
{
1070
    double val;
1071

    
1072
    if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
1073
        if (is->video_st)
1074
            val = get_video_clock(is);
1075
        else
1076
            val = get_audio_clock(is);
1077
    } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
1078
        if (is->audio_st)
1079
            val = get_audio_clock(is);
1080
        else
1081
            val = get_video_clock(is);
1082
    } else {
1083
        val = get_external_clock(is);
1084
    }
1085
    return val;
1086
}
1087

    
1088
/* seek in the stream */
1089
static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
1090
{
1091
    if (!is->seek_req) {
1092
        is->seek_pos = pos;
1093
        is->seek_rel = rel;
1094
        is->seek_flags &= ~AVSEEK_FLAG_BYTE;
1095
        if (seek_by_bytes)
1096
            is->seek_flags |= AVSEEK_FLAG_BYTE;
1097
        is->seek_req = 1;
1098
    }
1099
}
1100

    
1101
/* pause or resume the video */
1102
static void stream_pause(VideoState *is)
1103
{
1104
    if (is->paused) {
1105
        is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
1106
        if(is->read_pause_return != AVERROR(ENOSYS)){
1107
            is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
1108
        }
1109
        is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
1110
    }
1111
    is->paused = !is->paused;
1112
}
1113

    
1114
static double compute_target_time(double frame_current_pts, VideoState *is)
1115
{
1116
    double delay, sync_threshold, diff;
1117

    
1118
    /* compute nominal delay */
1119
    delay = frame_current_pts - is->frame_last_pts;
1120
    if (delay <= 0 || delay >= 10.0) {
1121
        /* if incorrect delay, use previous one */
1122
        delay = is->frame_last_delay;
1123
    } else {
1124
        is->frame_last_delay = delay;
1125
    }
1126
    is->frame_last_pts = frame_current_pts;
1127

    
1128
    /* update delay to follow master synchronisation source */
1129
    if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1130
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1131
        /* if video is slave, we try to correct big delays by
1132
           duplicating or deleting a frame */
1133
        diff = get_video_clock(is) - get_master_clock(is);
1134

    
1135
        /* skip or repeat frame. We take into account the
1136
           delay to compute the threshold. I still don't know
1137
           if it is the best guess */
1138
        sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
1139
        if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1140
            if (diff <= -sync_threshold)
1141
                delay = 0;
1142
            else if (diff >= sync_threshold)
1143
                delay = 2 * delay;
1144
        }
1145
    }
1146
    is->frame_timer += delay;
1147
#if defined(DEBUG_SYNC)
1148
    printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1149
            delay, actual_delay, frame_current_pts, -diff);
1150
#endif
1151

    
1152
    return is->frame_timer;
1153
}
1154

    
1155
/* called to display each frame */
1156
static void video_refresh_timer(void *opaque)
1157
{
1158
    VideoState *is = opaque;
1159
    VideoPicture *vp;
1160

    
1161
    SubPicture *sp, *sp2;
1162

    
1163
    if (is->video_st) {
1164
retry:
1165
        if (is->pictq_size == 0) {
1166
            //nothing to do, no picture to display in the que
1167
        } else {
1168
            double time= av_gettime()/1000000.0;
1169
            double next_target;
1170
            /* dequeue the picture */
1171
            vp = &is->pictq[is->pictq_rindex];
1172

    
1173
            if(time < vp->target_clock)
1174
                return;
1175
            /* update current video pts */
1176
            is->video_current_pts = vp->pts;
1177
            is->video_current_pts_drift = is->video_current_pts - time;
1178
            is->video_current_pos = vp->pos;
1179
            if(is->pictq_size > 1){
1180
                VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
1181
                assert(nextvp->target_clock >= vp->target_clock);
1182
                next_target= nextvp->target_clock;
1183
            }else{
1184
                next_target= vp->target_clock + is->video_clock - vp->pts; //FIXME pass durations cleanly
1185
            }
1186
            if(framedrop && time > next_target){
1187
                is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR;
1188
                if(is->pictq_size > 1 || time > next_target + 0.5){
1189
                    /* update queue size and signal for next picture */
1190
                    if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1191
                        is->pictq_rindex = 0;
1192

    
1193
                    SDL_LockMutex(is->pictq_mutex);
1194
                    is->pictq_size--;
1195
                    SDL_CondSignal(is->pictq_cond);
1196
                    SDL_UnlockMutex(is->pictq_mutex);
1197
                    goto retry;
1198
                }
1199
            }
1200

    
1201
            if(is->subtitle_st) {
1202
                if (is->subtitle_stream_changed) {
1203
                    SDL_LockMutex(is->subpq_mutex);
1204

    
1205
                    while (is->subpq_size) {
1206
                        free_subpicture(&is->subpq[is->subpq_rindex]);
1207

    
1208
                        /* update queue size and signal for next picture */
1209
                        if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1210
                            is->subpq_rindex = 0;
1211

    
1212
                        is->subpq_size--;
1213
                    }
1214
                    is->subtitle_stream_changed = 0;
1215

    
1216
                    SDL_CondSignal(is->subpq_cond);
1217
                    SDL_UnlockMutex(is->subpq_mutex);
1218
                } else {
1219
                    if (is->subpq_size > 0) {
1220
                        sp = &is->subpq[is->subpq_rindex];
1221

    
1222
                        if (is->subpq_size > 1)
1223
                            sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1224
                        else
1225
                            sp2 = NULL;
1226

    
1227
                        if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1228
                                || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1229
                        {
1230
                            free_subpicture(sp);
1231

    
1232
                            /* update queue size and signal for next picture */
1233
                            if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1234
                                is->subpq_rindex = 0;
1235

    
1236
                            SDL_LockMutex(is->subpq_mutex);
1237
                            is->subpq_size--;
1238
                            SDL_CondSignal(is->subpq_cond);
1239
                            SDL_UnlockMutex(is->subpq_mutex);
1240
                        }
1241
                    }
1242
                }
1243
            }
1244

    
1245
            /* display picture */
1246
            if (!display_disable)
1247
                video_display(is);
1248

    
1249
            /* update queue size and signal for next picture */
1250
            if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1251
                is->pictq_rindex = 0;
1252

    
1253
            SDL_LockMutex(is->pictq_mutex);
1254
            is->pictq_size--;
1255
            SDL_CondSignal(is->pictq_cond);
1256
            SDL_UnlockMutex(is->pictq_mutex);
1257
        }
1258
    } else if (is->audio_st) {
1259
        /* draw the next audio frame */
1260

    
1261
        /* if only audio stream, then display the audio bars (better
1262
           than nothing, just to test the implementation */
1263

    
1264
        /* display picture */
1265
        if (!display_disable)
1266
            video_display(is);
1267
    }
1268
    if (show_status) {
1269
        static int64_t last_time;
1270
        int64_t cur_time;
1271
        int aqsize, vqsize, sqsize;
1272
        double av_diff;
1273

    
1274
        cur_time = av_gettime();
1275
        if (!last_time || (cur_time - last_time) >= 30000) {
1276
            aqsize = 0;
1277
            vqsize = 0;
1278
            sqsize = 0;
1279
            if (is->audio_st)
1280
                aqsize = is->audioq.size;
1281
            if (is->video_st)
1282
                vqsize = is->videoq.size;
1283
            if (is->subtitle_st)
1284
                sqsize = is->subtitleq.size;
1285
            av_diff = 0;
1286
            if (is->audio_st && is->video_st)
1287
                av_diff = get_audio_clock(is) - get_video_clock(is);
1288
            printf("%7.2f A-V:%7.3f s:%3.1f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64"   \r",
1289
                   get_master_clock(is), av_diff, FFMAX(is->skip_frames-1, 0), aqsize / 1024, vqsize / 1024, sqsize, is->pts_ctx.num_faulty_dts, is->pts_ctx.num_faulty_pts);
1290
            fflush(stdout);
1291
            last_time = cur_time;
1292
        }
1293
    }
1294
}
1295

    
1296
static void stream_close(VideoState *is)
1297
{
1298
    VideoPicture *vp;
1299
    int i;
1300
    /* XXX: use a special url_shutdown call to abort parse cleanly */
1301
    is->abort_request = 1;
1302
    SDL_WaitThread(is->parse_tid, NULL);
1303
    SDL_WaitThread(is->refresh_tid, NULL);
1304

    
1305
    /* free all pictures */
1306
    for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
1307
        vp = &is->pictq[i];
1308
#if CONFIG_AVFILTER
1309
        if (vp->picref) {
1310
            avfilter_unref_buffer(vp->picref);
1311
            vp->picref = NULL;
1312
        }
1313
#endif
1314
        if (vp->bmp) {
1315
            SDL_FreeYUVOverlay(vp->bmp);
1316
            vp->bmp = NULL;
1317
        }
1318
    }
1319
    SDL_DestroyMutex(is->pictq_mutex);
1320
    SDL_DestroyCond(is->pictq_cond);
1321
    SDL_DestroyMutex(is->subpq_mutex);
1322
    SDL_DestroyCond(is->subpq_cond);
1323
#if !CONFIG_AVFILTER
1324
    if (is->img_convert_ctx)
1325
        sws_freeContext(is->img_convert_ctx);
1326
#endif
1327
    av_free(is);
1328
}
1329

    
1330
static void do_exit(void)
1331
{
1332
    if (cur_stream) {
1333
        stream_close(cur_stream);
1334
        cur_stream = NULL;
1335
    }
1336
    uninit_opts();
1337
#if CONFIG_AVFILTER
1338
    avfilter_uninit();
1339
#endif
1340
    if (show_status)
1341
        printf("\n");
1342
    SDL_Quit();
1343
    av_log(NULL, AV_LOG_QUIET, "");
1344
    exit(0);
1345
}
1346

    
1347
/* allocate a picture (needs to do that in main thread to avoid
1348
   potential locking problems */
1349
static void alloc_picture(void *opaque)
1350
{
1351
    VideoState *is = opaque;
1352
    VideoPicture *vp;
1353

    
1354
    vp = &is->pictq[is->pictq_windex];
1355

    
1356
    if (vp->bmp)
1357
        SDL_FreeYUVOverlay(vp->bmp);
1358

    
1359
#if CONFIG_AVFILTER
1360
    if (vp->picref)
1361
        avfilter_unref_buffer(vp->picref);
1362
    vp->picref = NULL;
1363

    
1364
    vp->width   = is->out_video_filter->inputs[0]->w;
1365
    vp->height  = is->out_video_filter->inputs[0]->h;
1366
    vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1367
#else
1368
    vp->width   = is->video_st->codec->width;
1369
    vp->height  = is->video_st->codec->height;
1370
    vp->pix_fmt = is->video_st->codec->pix_fmt;
1371
#endif
1372

    
1373
    vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
1374
                                   SDL_YV12_OVERLAY,
1375
                                   screen);
1376
    if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
1377
        /* SDL allocates a buffer smaller than requested if the video
1378
         * overlay hardware is unable to support the requested size. */
1379
        fprintf(stderr, "Error: the video system does not support an image\n"
1380
                        "size of %dx%d pixels. Try using -lowres or -vf \"scale=w:h\"\n"
1381
                        "to reduce the image size.\n", vp->width, vp->height );
1382
        do_exit();
1383
    }
1384

    
1385
    SDL_LockMutex(is->pictq_mutex);
1386
    vp->allocated = 1;
1387
    SDL_CondSignal(is->pictq_cond);
1388
    SDL_UnlockMutex(is->pictq_mutex);
1389
}
1390

    
1391
/**
1392
 *
1393
 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1394
 */
1395
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
1396
{
1397
    VideoPicture *vp;
1398
    int dst_pix_fmt;
1399
#if CONFIG_AVFILTER
1400
    AVPicture pict_src;
1401
#endif
1402
    /* wait until we have space to put a new picture */
1403
    SDL_LockMutex(is->pictq_mutex);
1404

    
1405
    if(is->pictq_size>=VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
1406
        is->skip_frames= FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0-FRAME_SKIP_FACTOR));
1407

    
1408
    while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1409
           !is->videoq.abort_request) {
1410
        SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1411
    }
1412
    SDL_UnlockMutex(is->pictq_mutex);
1413

    
1414
    if (is->videoq.abort_request)
1415
        return -1;
1416

    
1417
    vp = &is->pictq[is->pictq_windex];
1418

    
1419
    /* alloc or resize hardware picture buffer */
1420
    if (!vp->bmp ||
1421
#if CONFIG_AVFILTER
1422
        vp->width  != is->out_video_filter->inputs[0]->w ||
1423
        vp->height != is->out_video_filter->inputs[0]->h) {
1424
#else
1425
        vp->width != is->video_st->codec->width ||
1426
        vp->height != is->video_st->codec->height) {
1427
#endif
1428
        SDL_Event event;
1429

    
1430
        vp->allocated = 0;
1431

    
1432
        /* the allocation must be done in the main thread to avoid
1433
           locking problems */
1434
        event.type = FF_ALLOC_EVENT;
1435
        event.user.data1 = is;
1436
        SDL_PushEvent(&event);
1437

    
1438
        /* wait until the picture is allocated */
1439
        SDL_LockMutex(is->pictq_mutex);
1440
        while (!vp->allocated && !is->videoq.abort_request) {
1441
            SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1442
        }
1443
        SDL_UnlockMutex(is->pictq_mutex);
1444

    
1445
        if (is->videoq.abort_request)
1446
            return -1;
1447
    }
1448

    
1449
    /* if the frame is not skipped, then display it */
1450
    if (vp->bmp) {
1451
        AVPicture pict;
1452
#if CONFIG_AVFILTER
1453
        if(vp->picref)
1454
            avfilter_unref_buffer(vp->picref);
1455
        vp->picref = src_frame->opaque;
1456
#endif
1457

    
1458
        /* get a pointer on the bitmap */
1459
        SDL_LockYUVOverlay (vp->bmp);
1460

    
1461
        dst_pix_fmt = PIX_FMT_YUV420P;
1462
        memset(&pict,0,sizeof(AVPicture));
1463
        pict.data[0] = vp->bmp->pixels[0];
1464
        pict.data[1] = vp->bmp->pixels[2];
1465
        pict.data[2] = vp->bmp->pixels[1];
1466

    
1467
        pict.linesize[0] = vp->bmp->pitches[0];
1468
        pict.linesize[1] = vp->bmp->pitches[2];
1469
        pict.linesize[2] = vp->bmp->pitches[1];
1470

    
1471
#if CONFIG_AVFILTER
1472
        pict_src.data[0] = src_frame->data[0];
1473
        pict_src.data[1] = src_frame->data[1];
1474
        pict_src.data[2] = src_frame->data[2];
1475

    
1476
        pict_src.linesize[0] = src_frame->linesize[0];
1477
        pict_src.linesize[1] = src_frame->linesize[1];
1478
        pict_src.linesize[2] = src_frame->linesize[2];
1479

    
1480
        //FIXME use direct rendering
1481
        av_picture_copy(&pict, &pict_src,
1482
                        vp->pix_fmt, vp->width, vp->height);
1483
#else
1484
        sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1485
        is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
1486
            vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
1487
            dst_pix_fmt, sws_flags, NULL, NULL, NULL);
1488
        if (is->img_convert_ctx == NULL) {
1489
            fprintf(stderr, "Cannot initialize the conversion context\n");
1490
            exit(1);
1491
        }
1492
        sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
1493
                  0, vp->height, pict.data, pict.linesize);
1494
#endif
1495
        /* update the bitmap content */
1496
        SDL_UnlockYUVOverlay(vp->bmp);
1497

    
1498
        vp->pts = pts;
1499
        vp->pos = pos;
1500

    
1501
        /* now we can update the picture count */
1502
        if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1503
            is->pictq_windex = 0;
1504
        SDL_LockMutex(is->pictq_mutex);
1505
        vp->target_clock= compute_target_time(vp->pts, is);
1506

    
1507
        is->pictq_size++;
1508
        SDL_UnlockMutex(is->pictq_mutex);
1509
    }
1510
    return 0;
1511
}
1512

    
1513
/**
1514
 * compute the exact PTS for the picture if it is omitted in the stream
1515
 * @param pts1 the dts of the pkt / pts of the frame
1516
 */
1517
static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
1518
{
1519
    double frame_delay, pts;
1520

    
1521
    pts = pts1;
1522

    
1523
    if (pts != 0) {
1524
        /* update video clock with pts, if present */
1525
        is->video_clock = pts;
1526
    } else {
1527
        pts = is->video_clock;
1528
    }
1529
    /* update video clock for next frame */
1530
    frame_delay = av_q2d(is->video_st->codec->time_base);
1531
    /* for MPEG2, the frame can be repeated, so we update the
1532
       clock accordingly */
1533
    frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
1534
    is->video_clock += frame_delay;
1535

    
1536
#if defined(DEBUG_SYNC) && 0
1537
    printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1538
           av_get_pict_type_char(src_frame->pict_type), pts, pts1);
1539
#endif
1540
    return queue_picture(is, src_frame, pts, pos);
1541
}
1542

    
1543
static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
1544
{
1545
    int len1, got_picture, i;
1546

    
1547
    if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1548
        return -1;
1549

    
1550
    if (pkt->data == flush_pkt.data) {
1551
        avcodec_flush_buffers(is->video_st->codec);
1552

    
1553
        SDL_LockMutex(is->pictq_mutex);
1554
        //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1555
        for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
1556
            is->pictq[i].target_clock= 0;
1557
        }
1558
        while (is->pictq_size && !is->videoq.abort_request) {
1559
            SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1560
        }
1561
        is->video_current_pos = -1;
1562
        SDL_UnlockMutex(is->pictq_mutex);
1563

    
1564
        init_pts_correction(&is->pts_ctx);
1565
        is->frame_last_pts = AV_NOPTS_VALUE;
1566
        is->frame_last_delay = 0;
1567
        is->frame_timer = (double)av_gettime() / 1000000.0;
1568
        is->skip_frames = 1;
1569
        is->skip_frames_index = 0;
1570
        return 0;
1571
    }
1572

    
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->pkt_pts, pkt->dts);
1580
        } else if (decoder_reorder_pts) {
1581
            *pts = frame->pkt_pts;
1582
        } else {
1583
            *pts = pkt->dts;
1584
        }
1585

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

    
1590
        is->skip_frames_index += 1;
1591
        if(is->skip_frames_index >= is->skip_frames){
1592
            is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
1593
            return 1;
1594
        }
1595

    
1596
    }
1597
    return 0;
1598
}
1599

    
1600
#if CONFIG_AVFILTER
1601
typedef struct {
1602
    VideoState *is;
1603
    AVFrame *frame;
1604
    int use_dr1;
1605
} FilterPriv;
1606

    
1607
static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
1608
{
1609
    AVFilterContext *ctx = codec->opaque;
1610
    AVFilterBufferRef  *ref;
1611
    int perms = AV_PERM_WRITE;
1612
    int i, w, h, stride[4];
1613
    unsigned edge;
1614

    
1615
    if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
1616
        perms |= AV_PERM_NEG_LINESIZES;
1617

    
1618
    if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
1619
        if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
1620
        if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
1621
        if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
1622
    }
1623
    if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
1624

    
1625
    w = codec->width;
1626
    h = codec->height;
1627
    avcodec_align_dimensions2(codec, &w, &h, stride);
1628
    edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
1629
    w += edge << 1;
1630
    h += edge << 1;
1631

    
1632
    if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
1633
        return -1;
1634

    
1635
    ref->video->w = codec->width;
1636
    ref->video->h = codec->height;
1637
    for(i = 0; i < 4; i ++) {
1638
        unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
1639
        unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
1640

    
1641
        if (ref->data[i]) {
1642
            ref->data[i]    += (edge >> hshift) + ((edge * ref->linesize[i]) >> vshift);
1643
        }
1644
        pic->data[i]     = ref->data[i];
1645
        pic->linesize[i] = ref->linesize[i];
1646
    }
1647
    pic->opaque = ref;
1648
    pic->age    = INT_MAX;
1649
    pic->type   = FF_BUFFER_TYPE_USER;
1650
    pic->reordered_opaque = codec->reordered_opaque;
1651
    if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1652
    else           pic->pkt_pts = AV_NOPTS_VALUE;
1653
    return 0;
1654
}
1655

    
1656
static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
1657
{
1658
    memset(pic->data, 0, sizeof(pic->data));
1659
    avfilter_unref_buffer(pic->opaque);
1660
}
1661

    
1662
static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
1663
{
1664
    AVFilterBufferRef *ref = pic->opaque;
1665

    
1666
    if (pic->data[0] == NULL) {
1667
        pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
1668
        return codec->get_buffer(codec, pic);
1669
    }
1670

    
1671
    if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
1672
        (codec->pix_fmt != ref->format)) {
1673
        av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
1674
        return -1;
1675
    }
1676

    
1677
    pic->reordered_opaque = codec->reordered_opaque;
1678
    if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1679
    else           pic->pkt_pts = AV_NOPTS_VALUE;
1680
    return 0;
1681
}
1682

    
1683
static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1684
{
1685
    FilterPriv *priv = ctx->priv;
1686
    AVCodecContext *codec;
1687
    if(!opaque) return -1;
1688

    
1689
    priv->is = opaque;
1690
    codec    = priv->is->video_st->codec;
1691
    codec->opaque = ctx;
1692
    if(codec->codec->capabilities & CODEC_CAP_DR1) {
1693
        priv->use_dr1 = 1;
1694
        codec->get_buffer     = input_get_buffer;
1695
        codec->release_buffer = input_release_buffer;
1696
        codec->reget_buffer   = input_reget_buffer;
1697
    }
1698

    
1699
    priv->frame = avcodec_alloc_frame();
1700

    
1701
    return 0;
1702
}
1703

    
1704
static void input_uninit(AVFilterContext *ctx)
1705
{
1706
    FilterPriv *priv = ctx->priv;
1707
    av_free(priv->frame);
1708
}
1709

    
1710
static int input_request_frame(AVFilterLink *link)
1711
{
1712
    FilterPriv *priv = link->src->priv;
1713
    AVFilterBufferRef *picref;
1714
    int64_t pts = 0;
1715
    AVPacket pkt;
1716
    int ret;
1717

    
1718
    while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1719
        av_free_packet(&pkt);
1720
    if (ret < 0)
1721
        return -1;
1722

    
1723
    if(priv->use_dr1) {
1724
        picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
1725
    } else {
1726
        picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
1727
        av_image_copy(picref->data, picref->linesize,
1728
                      priv->frame->data, priv->frame->linesize,
1729
                      picref->format, link->w, link->h);
1730
    }
1731
    av_free_packet(&pkt);
1732

    
1733
    picref->pts = pts;
1734
    picref->pos = pkt.pos;
1735
    picref->video->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
1736
    avfilter_start_frame(link, picref);
1737
    avfilter_draw_slice(link, 0, link->h, 1);
1738
    avfilter_end_frame(link);
1739

    
1740
    return 0;
1741
}
1742

    
1743
static int input_query_formats(AVFilterContext *ctx)
1744
{
1745
    FilterPriv *priv = ctx->priv;
1746
    enum PixelFormat pix_fmts[] = {
1747
        priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1748
    };
1749

    
1750
    avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1751
    return 0;
1752
}
1753

    
1754
static int input_config_props(AVFilterLink *link)
1755
{
1756
    FilterPriv *priv  = link->src->priv;
1757
    AVCodecContext *c = priv->is->video_st->codec;
1758

    
1759
    link->w = c->width;
1760
    link->h = c->height;
1761
    link->time_base = priv->is->video_st->time_base;
1762

    
1763
    return 0;
1764
}
1765

    
1766
static AVFilter input_filter =
1767
{
1768
    .name      = "ffplay_input",
1769

    
1770
    .priv_size = sizeof(FilterPriv),
1771

    
1772
    .init      = input_init,
1773
    .uninit    = input_uninit,
1774

    
1775
    .query_formats = input_query_formats,
1776

    
1777
    .inputs    = (AVFilterPad[]) {{ .name = NULL }},
1778
    .outputs   = (AVFilterPad[]) {{ .name = "default",
1779
                                    .type = AVMEDIA_TYPE_VIDEO,
1780
                                    .request_frame = input_request_frame,
1781
                                    .config_props  = input_config_props, },
1782
                                  { .name = NULL }},
1783
};
1784

    
1785
#endif  /* CONFIG_AVFILTER */
1786

    
1787
static int video_thread(void *arg)
1788
{
1789
    VideoState *is = arg;
1790
    AVFrame *frame= avcodec_alloc_frame();
1791
    int64_t pts_int;
1792
    double pts;
1793
    int ret;
1794

    
1795
#if CONFIG_AVFILTER
1796
    int64_t pos;
1797
    char sws_flags_str[128];
1798
    FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
1799
    AVFilterContext *filt_src = NULL, *filt_out = NULL;
1800
    AVFilterGraph *graph = avfilter_graph_alloc();
1801
    snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
1802
    graph->scale_sws_opts = av_strdup(sws_flags_str);
1803

    
1804
    if (avfilter_graph_create_filter(&filt_src, &input_filter, "src",
1805
                                     NULL, is, graph) < 0)
1806
        goto the_end;
1807
    if (avfilter_graph_create_filter(&filt_out, &ffsink, "out",
1808
                                     NULL, &ffsink_ctx, graph) < 0)
1809
        goto the_end;
1810

    
1811
    if(vfilters) {
1812
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1813
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
1814

    
1815
        outputs->name    = av_strdup("in");
1816
        outputs->filter_ctx = filt_src;
1817
        outputs->pad_idx = 0;
1818
        outputs->next    = NULL;
1819

    
1820
        inputs->name    = av_strdup("out");
1821
        inputs->filter_ctx = filt_out;
1822
        inputs->pad_idx = 0;
1823
        inputs->next    = NULL;
1824

    
1825
        if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
1826
            goto the_end;
1827
        av_freep(&vfilters);
1828
    } else {
1829
        if(avfilter_link(filt_src, 0, filt_out, 0) < 0)          goto the_end;
1830
    }
1831

    
1832
    if (avfilter_graph_config(graph, NULL) < 0)
1833
        goto the_end;
1834

    
1835
    is->out_video_filter = filt_out;
1836
#endif
1837

    
1838
    for(;;) {
1839
#if !CONFIG_AVFILTER
1840
        AVPacket pkt;
1841
#else
1842
        AVFilterBufferRef *picref;
1843
        AVRational tb;
1844
#endif
1845
        while (is->paused && !is->videoq.abort_request)
1846
            SDL_Delay(10);
1847
#if CONFIG_AVFILTER
1848
        ret = get_filtered_video_frame(filt_out, frame, &picref, &tb);
1849
        if (picref) {
1850
            pts_int = picref->pts;
1851
            pos     = picref->pos;
1852
            frame->opaque = picref;
1853
        }
1854

    
1855
        if (av_cmp_q(tb, is->video_st->time_base)) {
1856
            av_unused int64_t pts1 = pts_int;
1857
            pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1858
            av_dlog(NULL, "video_thread(): "
1859
                    "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1860
                    tb.num, tb.den, pts1,
1861
                    is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1862
        }
1863
#else
1864
        ret = get_video_frame(is, frame, &pts_int, &pkt);
1865
#endif
1866

    
1867
        if (ret < 0) goto the_end;
1868

    
1869
        if (!ret)
1870
            continue;
1871

    
1872
        pts = pts_int*av_q2d(is->video_st->time_base);
1873

    
1874
#if CONFIG_AVFILTER
1875
        ret = output_picture2(is, frame, pts, pos);
1876
#else
1877
        ret = output_picture2(is, frame, pts,  pkt.pos);
1878
        av_free_packet(&pkt);
1879
#endif
1880
        if (ret < 0)
1881
            goto the_end;
1882

    
1883
        if (step)
1884
            if (cur_stream)
1885
                stream_pause(cur_stream);
1886
    }
1887
 the_end:
1888
#if CONFIG_AVFILTER
1889
    avfilter_graph_free(graph);
1890
    av_freep(&graph);
1891
#endif
1892
    av_free(frame);
1893
    return 0;
1894
}
1895

    
1896
static int subtitle_thread(void *arg)
1897
{
1898
    VideoState *is = arg;
1899
    SubPicture *sp;
1900
    AVPacket pkt1, *pkt = &pkt1;
1901
    int len1, got_subtitle;
1902
    double pts;
1903
    int i, j;
1904
    int r, g, b, y, u, v, a;
1905

    
1906
    for(;;) {
1907
        while (is->paused && !is->subtitleq.abort_request) {
1908
            SDL_Delay(10);
1909
        }
1910
        if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1911
            break;
1912

    
1913
        if(pkt->data == flush_pkt.data){
1914
            avcodec_flush_buffers(is->subtitle_st->codec);
1915
            continue;
1916
        }
1917
        SDL_LockMutex(is->subpq_mutex);
1918
        while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1919
               !is->subtitleq.abort_request) {
1920
            SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1921
        }
1922
        SDL_UnlockMutex(is->subpq_mutex);
1923

    
1924
        if (is->subtitleq.abort_request)
1925
            goto the_end;
1926

    
1927
        sp = &is->subpq[is->subpq_windex];
1928

    
1929
       /* NOTE: ipts is the PTS of the _first_ picture beginning in
1930
           this packet, if any */
1931
        pts = 0;
1932
        if (pkt->pts != AV_NOPTS_VALUE)
1933
            pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1934

    
1935
        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
1936
                                    &sp->sub, &got_subtitle,
1937
                                    pkt);
1938
//            if (len1 < 0)
1939
//                break;
1940
        if (got_subtitle && sp->sub.format == 0) {
1941
            sp->pts = pts;
1942

    
1943
            for (i = 0; i < sp->sub.num_rects; i++)
1944
            {
1945
                for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1946
                {
1947
                    RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1948
                    y = RGB_TO_Y_CCIR(r, g, b);
1949
                    u = RGB_TO_U_CCIR(r, g, b, 0);
1950
                    v = RGB_TO_V_CCIR(r, g, b, 0);
1951
                    YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1952
                }
1953
            }
1954

    
1955
            /* now we can update the picture count */
1956
            if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1957
                is->subpq_windex = 0;
1958
            SDL_LockMutex(is->subpq_mutex);
1959
            is->subpq_size++;
1960
            SDL_UnlockMutex(is->subpq_mutex);
1961
        }
1962
        av_free_packet(pkt);
1963
//        if (step)
1964
//            if (cur_stream)
1965
//                stream_pause(cur_stream);
1966
    }
1967
 the_end:
1968
    return 0;
1969
}
1970

    
1971
/* copy samples for viewing in editor window */
1972
static void update_sample_display(VideoState *is, short *samples, int samples_size)
1973
{
1974
    int size, len, channels;
1975

    
1976
    channels = is->audio_st->codec->channels;
1977

    
1978
    size = samples_size / sizeof(short);
1979
    while (size > 0) {
1980
        len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1981
        if (len > size)
1982
            len = size;
1983
        memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1984
        samples += len;
1985
        is->sample_array_index += len;
1986
        if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1987
            is->sample_array_index = 0;
1988
        size -= len;
1989
    }
1990
}
1991

    
1992
/* return the new audio buffer size (samples can be added or deleted
1993
   to get better sync if video or external master clock) */
1994
static int synchronize_audio(VideoState *is, short *samples,
1995
                             int samples_size1, double pts)
1996
{
1997
    int n, samples_size;
1998
    double ref_clock;
1999

    
2000
    n = 2 * is->audio_st->codec->channels;
2001
    samples_size = samples_size1;
2002

    
2003
    /* if not master, then we try to remove or add samples to correct the clock */
2004
    if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
2005
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
2006
        double diff, avg_diff;
2007
        int wanted_size, min_size, max_size, nb_samples;
2008

    
2009
        ref_clock = get_master_clock(is);
2010
        diff = get_audio_clock(is) - ref_clock;
2011

    
2012
        if (diff < AV_NOSYNC_THRESHOLD) {
2013
            is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
2014
            if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
2015
                /* not enough measures to have a correct estimate */
2016
                is->audio_diff_avg_count++;
2017
            } else {
2018
                /* estimate the A-V difference */
2019
                avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
2020

    
2021
                if (fabs(avg_diff) >= is->audio_diff_threshold) {
2022
                    wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
2023
                    nb_samples = samples_size / n;
2024

    
2025
                    min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2026
                    max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2027
                    if (wanted_size < min_size)
2028
                        wanted_size = min_size;
2029
                    else if (wanted_size > max_size)
2030
                        wanted_size = max_size;
2031

    
2032
                    /* add or remove samples to correction the synchro */
2033
                    if (wanted_size < samples_size) {
2034
                        /* remove samples */
2035
                        samples_size = wanted_size;
2036
                    } else if (wanted_size > samples_size) {
2037
                        uint8_t *samples_end, *q;
2038
                        int nb;
2039

    
2040
                        /* add samples */
2041
                        nb = (samples_size - wanted_size);
2042
                        samples_end = (uint8_t *)samples + samples_size - n;
2043
                        q = samples_end + n;
2044
                        while (nb > 0) {
2045
                            memcpy(q, samples_end, n);
2046
                            q += n;
2047
                            nb -= n;
2048
                        }
2049
                        samples_size = wanted_size;
2050
                    }
2051
                }
2052
#if 0
2053
                printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
2054
                       diff, avg_diff, samples_size - samples_size1,
2055
                       is->audio_clock, is->video_clock, is->audio_diff_threshold);
2056
#endif
2057
            }
2058
        } else {
2059
            /* too big difference : may be initial PTS errors, so
2060
               reset A-V filter */
2061
            is->audio_diff_avg_count = 0;
2062
            is->audio_diff_cum = 0;
2063
        }
2064
    }
2065

    
2066
    return samples_size;
2067
}
2068

    
2069
/* decode one audio frame and returns its uncompressed size */
2070
static int audio_decode_frame(VideoState *is, double *pts_ptr)
2071
{
2072
    AVPacket *pkt_temp = &is->audio_pkt_temp;
2073
    AVPacket *pkt = &is->audio_pkt;
2074
    AVCodecContext *dec= is->audio_st->codec;
2075
    int n, len1, data_size;
2076
    double pts;
2077

    
2078
    for(;;) {
2079
        /* NOTE: the audio packet can contain several frames */
2080
        while (pkt_temp->size > 0) {
2081
            data_size = sizeof(is->audio_buf1);
2082
            len1 = avcodec_decode_audio3(dec,
2083
                                        (int16_t *)is->audio_buf1, &data_size,
2084
                                        pkt_temp);
2085
            if (len1 < 0) {
2086
                /* if error, we skip the frame */
2087
                pkt_temp->size = 0;
2088
                break;
2089
            }
2090

    
2091
            pkt_temp->data += len1;
2092
            pkt_temp->size -= len1;
2093
            if (data_size <= 0)
2094
                continue;
2095

    
2096
            if (dec->sample_fmt != is->audio_src_fmt) {
2097
                if (is->reformat_ctx)
2098
                    av_audio_convert_free(is->reformat_ctx);
2099
                is->reformat_ctx= av_audio_convert_alloc(AV_SAMPLE_FMT_S16, 1,
2100
                                                         dec->sample_fmt, 1, NULL, 0);
2101
                if (!is->reformat_ctx) {
2102
                    fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
2103
                        av_get_sample_fmt_name(dec->sample_fmt),
2104
                        av_get_sample_fmt_name(AV_SAMPLE_FMT_S16));
2105
                        break;
2106
                }
2107
                is->audio_src_fmt= dec->sample_fmt;
2108
            }
2109

    
2110
            if (is->reformat_ctx) {
2111
                const void *ibuf[6]= {is->audio_buf1};
2112
                void *obuf[6]= {is->audio_buf2};
2113
                int istride[6]= {av_get_bits_per_sample_fmt(dec->sample_fmt)/8};
2114
                int ostride[6]= {2};
2115
                int len= data_size/istride[0];
2116
                if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2117
                    printf("av_audio_convert() failed\n");
2118
                    break;
2119
                }
2120
                is->audio_buf= is->audio_buf2;
2121
                /* FIXME: existing code assume that data_size equals framesize*channels*2
2122
                          remove this legacy cruft */
2123
                data_size= len*2;
2124
            }else{
2125
                is->audio_buf= is->audio_buf1;
2126
            }
2127

    
2128
            /* if no pts, then compute it */
2129
            pts = is->audio_clock;
2130
            *pts_ptr = pts;
2131
            n = 2 * dec->channels;
2132
            is->audio_clock += (double)data_size /
2133
                (double)(n * dec->sample_rate);
2134
#if defined(DEBUG_SYNC)
2135
            {
2136
                static double last_clock;
2137
                printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2138
                       is->audio_clock - last_clock,
2139
                       is->audio_clock, pts);
2140
                last_clock = is->audio_clock;
2141
            }
2142
#endif
2143
            return data_size;
2144
        }
2145

    
2146
        /* free the current packet */
2147
        if (pkt->data)
2148
            av_free_packet(pkt);
2149

    
2150
        if (is->paused || is->audioq.abort_request) {
2151
            return -1;
2152
        }
2153

    
2154
        /* read next packet */
2155
        if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2156
            return -1;
2157
        if(pkt->data == flush_pkt.data){
2158
            avcodec_flush_buffers(dec);
2159
            continue;
2160
        }
2161

    
2162
        pkt_temp->data = pkt->data;
2163
        pkt_temp->size = pkt->size;
2164

    
2165
        /* if update the audio clock with the pts */
2166
        if (pkt->pts != AV_NOPTS_VALUE) {
2167
            is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2168
        }
2169
    }
2170
}
2171

    
2172
/* get the current audio output buffer size, in samples. With SDL, we
2173
   cannot have a precise information */
2174
static int audio_write_get_buf_size(VideoState *is)
2175
{
2176
    return is->audio_buf_size - is->audio_buf_index;
2177
}
2178

    
2179

    
2180
/* prepare a new audio buffer */
2181
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2182
{
2183
    VideoState *is = opaque;
2184
    int audio_size, len1;
2185
    double pts;
2186

    
2187
    audio_callback_time = av_gettime();
2188

    
2189
    while (len > 0) {
2190
        if (is->audio_buf_index >= is->audio_buf_size) {
2191
           audio_size = audio_decode_frame(is, &pts);
2192
           if (audio_size < 0) {
2193
                /* if error, just output silence */
2194
               is->audio_buf = is->audio_buf1;
2195
               is->audio_buf_size = 1024;
2196
               memset(is->audio_buf, 0, is->audio_buf_size);
2197
           } else {
2198
               if (is->show_audio)
2199
                   update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2200
               audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2201
                                              pts);
2202
               is->audio_buf_size = audio_size;
2203
           }
2204
           is->audio_buf_index = 0;
2205
        }
2206
        len1 = is->audio_buf_size - is->audio_buf_index;
2207
        if (len1 > len)
2208
            len1 = len;
2209
        memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2210
        len -= len1;
2211
        stream += len1;
2212
        is->audio_buf_index += len1;
2213
    }
2214
}
2215

    
2216
/* open a given stream. Return 0 if OK */
2217
static int stream_component_open(VideoState *is, int stream_index)
2218
{
2219
    AVFormatContext *ic = is->ic;
2220
    AVCodecContext *avctx;
2221
    AVCodec *codec;
2222
    SDL_AudioSpec wanted_spec, spec;
2223

    
2224
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2225
        return -1;
2226
    avctx = ic->streams[stream_index]->codec;
2227

    
2228
    /* prepare audio output */
2229
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2230
        if (avctx->channels > 0) {
2231
            avctx->request_channels = FFMIN(2, avctx->channels);
2232
        } else {
2233
            avctx->request_channels = 2;
2234
        }
2235
    }
2236

    
2237
    codec = avcodec_find_decoder(avctx->codec_id);
2238
    avctx->debug_mv = debug_mv;
2239
    avctx->debug = debug;
2240
    avctx->workaround_bugs = workaround_bugs;
2241
    avctx->lowres = lowres;
2242
    if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2243
    avctx->idct_algo= idct;
2244
    if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2245
    avctx->skip_frame= skip_frame;
2246
    avctx->skip_idct= skip_idct;
2247
    avctx->skip_loop_filter= skip_loop_filter;
2248
    avctx->error_recognition= error_recognition;
2249
    avctx->error_concealment= error_concealment;
2250
    avcodec_thread_init(avctx, thread_count);
2251

    
2252
    set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
2253

    
2254
    if (!codec ||
2255
        avcodec_open(avctx, codec) < 0)
2256
        return -1;
2257

    
2258
    /* prepare audio output */
2259
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2260
        wanted_spec.freq = avctx->sample_rate;
2261
        wanted_spec.format = AUDIO_S16SYS;
2262
        wanted_spec.channels = avctx->channels;
2263
        wanted_spec.silence = 0;
2264
        wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2265
        wanted_spec.callback = sdl_audio_callback;
2266
        wanted_spec.userdata = is;
2267
        if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2268
            fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2269
            return -1;
2270
        }
2271
        is->audio_hw_buf_size = spec.size;
2272
        is->audio_src_fmt= AV_SAMPLE_FMT_S16;
2273
    }
2274

    
2275
    ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2276
    switch(avctx->codec_type) {
2277
    case AVMEDIA_TYPE_AUDIO:
2278
        is->audio_stream = stream_index;
2279
        is->audio_st = ic->streams[stream_index];
2280
        is->audio_buf_size = 0;
2281
        is->audio_buf_index = 0;
2282

    
2283
        /* init averaging filter */
2284
        is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2285
        is->audio_diff_avg_count = 0;
2286
        /* since we do not have a precise anough audio fifo fullness,
2287
           we correct audio sync only if larger than this threshold */
2288
        is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
2289

    
2290
        memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2291
        packet_queue_init(&is->audioq);
2292
        SDL_PauseAudio(0);
2293
        break;
2294
    case AVMEDIA_TYPE_VIDEO:
2295
        is->video_stream = stream_index;
2296
        is->video_st = ic->streams[stream_index];
2297

    
2298
//        is->video_current_pts_time = av_gettime();
2299

    
2300
        packet_queue_init(&is->videoq);
2301
        is->video_tid = SDL_CreateThread(video_thread, is);
2302
        break;
2303
    case AVMEDIA_TYPE_SUBTITLE:
2304
        is->subtitle_stream = stream_index;
2305
        is->subtitle_st = ic->streams[stream_index];
2306
        packet_queue_init(&is->subtitleq);
2307

    
2308
        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2309
        break;
2310
    default:
2311
        break;
2312
    }
2313
    return 0;
2314
}
2315

    
2316
static void stream_component_close(VideoState *is, int stream_index)
2317
{
2318
    AVFormatContext *ic = is->ic;
2319
    AVCodecContext *avctx;
2320

    
2321
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2322
        return;
2323
    avctx = ic->streams[stream_index]->codec;
2324

    
2325
    switch(avctx->codec_type) {
2326
    case AVMEDIA_TYPE_AUDIO:
2327
        packet_queue_abort(&is->audioq);
2328

    
2329
        SDL_CloseAudio();
2330

    
2331
        packet_queue_end(&is->audioq);
2332
        if (is->reformat_ctx)
2333
            av_audio_convert_free(is->reformat_ctx);
2334
        is->reformat_ctx = NULL;
2335
        break;
2336
    case AVMEDIA_TYPE_VIDEO:
2337
        packet_queue_abort(&is->videoq);
2338

    
2339
        /* note: we also signal this mutex to make sure we deblock the
2340
           video thread in all cases */
2341
        SDL_LockMutex(is->pictq_mutex);
2342
        SDL_CondSignal(is->pictq_cond);
2343
        SDL_UnlockMutex(is->pictq_mutex);
2344

    
2345
        SDL_WaitThread(is->video_tid, NULL);
2346

    
2347
        packet_queue_end(&is->videoq);
2348
        break;
2349
    case AVMEDIA_TYPE_SUBTITLE:
2350
        packet_queue_abort(&is->subtitleq);
2351

    
2352
        /* note: we also signal this mutex to make sure we deblock the
2353
           video thread in all cases */
2354
        SDL_LockMutex(is->subpq_mutex);
2355
        is->subtitle_stream_changed = 1;
2356

    
2357
        SDL_CondSignal(is->subpq_cond);
2358
        SDL_UnlockMutex(is->subpq_mutex);
2359

    
2360
        SDL_WaitThread(is->subtitle_tid, NULL);
2361

    
2362
        packet_queue_end(&is->subtitleq);
2363
        break;
2364
    default:
2365
        break;
2366
    }
2367

    
2368
    ic->streams[stream_index]->discard = AVDISCARD_ALL;
2369
    avcodec_close(avctx);
2370
    switch(avctx->codec_type) {
2371
    case AVMEDIA_TYPE_AUDIO:
2372
        is->audio_st = NULL;
2373
        is->audio_stream = -1;
2374
        break;
2375
    case AVMEDIA_TYPE_VIDEO:
2376
        is->video_st = NULL;
2377
        is->video_stream = -1;
2378
        break;
2379
    case AVMEDIA_TYPE_SUBTITLE:
2380
        is->subtitle_st = NULL;
2381
        is->subtitle_stream = -1;
2382
        break;
2383
    default:
2384
        break;
2385
    }
2386
}
2387

    
2388
/* since we have only one decoding thread, we can use a global
2389
   variable instead of a thread local variable */
2390
static VideoState *global_video_state;
2391

    
2392
static int decode_interrupt_cb(void)
2393
{
2394
    return (global_video_state && global_video_state->abort_request);
2395
}
2396

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

    
2409
    ic = avformat_alloc_context();
2410

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

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

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

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

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

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

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

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

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

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

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

    
2467
    for (i = 0; i < ic->nb_streams; i++)
2468
        ic->streams[i]->discard = AVDISCARD_ALL;
2469
    if (!video_disable)
2470
        st_index[AVMEDIA_TYPE_VIDEO] =
2471
            av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
2472
                                wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
2473
    if (!audio_disable)
2474
        st_index[AVMEDIA_TYPE_AUDIO] =
2475
            av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
2476
                                wanted_stream[AVMEDIA_TYPE_AUDIO],
2477
                                st_index[AVMEDIA_TYPE_VIDEO],
2478
                                NULL, 0);
2479
    if (!video_disable)
2480
        st_index[AVMEDIA_TYPE_SUBTITLE] =
2481
            av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
2482
                                wanted_stream[AVMEDIA_TYPE_SUBTITLE],
2483
                                (st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
2484
                                 st_index[AVMEDIA_TYPE_AUDIO] :
2485
                                 st_index[AVMEDIA_TYPE_VIDEO]),
2486
                                NULL, 0);
2487
    if (show_status) {
2488
        dump_format(ic, 0, is->filename, 0);
2489
    }
2490

    
2491
    /* open the streams */
2492
    if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2493
        stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
2494
    }
2495

    
2496
    ret=-1;
2497
    if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2498
        ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
2499
    }
2500
    is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2501
    if(ret<0) {
2502
        if (!display_disable)
2503
            is->show_audio = 2;
2504
    }
2505

    
2506
    if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2507
        stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
2508
    }
2509

    
2510
    if (is->video_stream < 0 && is->audio_stream < 0) {
2511
        fprintf(stderr, "%s: could not open codecs\n", is->filename);
2512
        ret = -1;
2513
        goto fail;
2514
    }
2515

    
2516
    for(;;) {
2517
        if (is->abort_request)
2518
            break;
2519
        if (is->paused != is->last_paused) {
2520
            is->last_paused = is->paused;
2521
            if (is->paused)
2522
                is->read_pause_return= av_read_pause(ic);
2523
            else
2524
                av_read_play(ic);
2525
        }
2526
#if CONFIG_RTSP_DEMUXER
2527
        if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2528
            /* wait 10 ms to avoid trying to get another packet */
2529
            /* XXX: horrible */
2530
            SDL_Delay(10);
2531
            continue;
2532
        }
2533
#endif
2534
        if (is->seek_req) {
2535
            int64_t seek_target= is->seek_pos;
2536
            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2537
            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2538
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2539
//      of the seek_pos/seek_rel variables
2540

    
2541
            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2542
            if (ret < 0) {
2543
                fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2544
            }else{
2545
                if (is->audio_stream >= 0) {
2546
                    packet_queue_flush(&is->audioq);
2547
                    packet_queue_put(&is->audioq, &flush_pkt);
2548
                }
2549
                if (is->subtitle_stream >= 0) {
2550
                    packet_queue_flush(&is->subtitleq);
2551
                    packet_queue_put(&is->subtitleq, &flush_pkt);
2552
                }
2553
                if (is->video_stream >= 0) {
2554
                    packet_queue_flush(&is->videoq);
2555
                    packet_queue_put(&is->videoq, &flush_pkt);
2556
                }
2557
            }
2558
            is->seek_req = 0;
2559
            eof= 0;
2560
        }
2561

    
2562
        /* if the queue are full, no need to read more */
2563
        if (   is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2564
            || (   (is->audioq   .size  > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2565
                && (is->videoq   .nb_packets > MIN_FRAMES || is->video_stream<0)
2566
                && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2567
            /* wait 10 ms */
2568
            SDL_Delay(10);
2569
            continue;
2570
        }
2571
        if(eof) {
2572
            if(is->video_stream >= 0){
2573
                av_init_packet(pkt);
2574
                pkt->data=NULL;
2575
                pkt->size=0;
2576
                pkt->stream_index= is->video_stream;
2577
                packet_queue_put(&is->videoq, pkt);
2578
            }
2579
            SDL_Delay(10);
2580
            if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2581
                if(loop!=1 && (!loop || --loop)){
2582
                    stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2583
                }else if(autoexit){
2584
                    ret=AVERROR_EOF;
2585
                    goto fail;
2586
                }
2587
            }
2588
            continue;
2589
        }
2590
        ret = av_read_frame(ic, pkt);
2591
        if (ret < 0) {
2592
            if (ret == AVERROR_EOF || url_feof(ic->pb))
2593
                eof=1;
2594
            if (url_ferror(ic->pb))
2595
                break;
2596
            SDL_Delay(100); /* wait for user event */
2597
            continue;
2598
        }
2599
        /* check if packet is in play range specified by user, then queue, otherwise discard */
2600
        pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2601
                (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2602
                av_q2d(ic->streams[pkt->stream_index]->time_base) -
2603
                (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2604
                <= ((double)duration/1000000);
2605
        if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
2606
            packet_queue_put(&is->audioq, pkt);
2607
        } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
2608
            packet_queue_put(&is->videoq, pkt);
2609
        } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
2610
            packet_queue_put(&is->subtitleq, pkt);
2611
        } else {
2612
            av_free_packet(pkt);
2613
        }
2614
    }
2615
    /* wait until the end */
2616
    while (!is->abort_request) {
2617
        SDL_Delay(100);
2618
    }
2619

    
2620
    ret = 0;
2621
 fail:
2622
    /* disable interrupting */
2623
    global_video_state = NULL;
2624

    
2625
    /* close each stream */
2626
    if (is->audio_stream >= 0)
2627
        stream_component_close(is, is->audio_stream);
2628
    if (is->video_stream >= 0)
2629
        stream_component_close(is, is->video_stream);
2630
    if (is->subtitle_stream >= 0)
2631
        stream_component_close(is, is->subtitle_stream);
2632
    if (is->ic) {
2633
        av_close_input_file(is->ic);
2634
        is->ic = NULL; /* safety */
2635
    }
2636
    url_set_interrupt_cb(NULL);
2637

    
2638
    if (ret != 0) {
2639
        SDL_Event event;
2640

    
2641
        event.type = FF_QUIT_EVENT;
2642
        event.user.data1 = is;
2643
        SDL_PushEvent(&event);
2644
    }
2645
    return 0;
2646
}
2647

    
2648
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2649
{
2650
    VideoState *is;
2651

    
2652
    is = av_mallocz(sizeof(VideoState));
2653
    if (!is)
2654
        return NULL;
2655
    av_strlcpy(is->filename, filename, sizeof(is->filename));
2656
    is->iformat = iformat;
2657
    is->ytop = 0;
2658
    is->xleft = 0;
2659

    
2660
    /* start video display */
2661
    is->pictq_mutex = SDL_CreateMutex();
2662
    is->pictq_cond = SDL_CreateCond();
2663

    
2664
    is->subpq_mutex = SDL_CreateMutex();
2665
    is->subpq_cond = SDL_CreateCond();
2666

    
2667
    is->av_sync_type = av_sync_type;
2668
    is->parse_tid = SDL_CreateThread(decode_thread, is);
2669
    if (!is->parse_tid) {
2670
        av_free(is);
2671
        return NULL;
2672
    }
2673
    return is;
2674
}
2675

    
2676
static void stream_cycle_channel(VideoState *is, int codec_type)
2677
{
2678
    AVFormatContext *ic = is->ic;
2679
    int start_index, stream_index;
2680
    AVStream *st;
2681

    
2682
    if (codec_type == AVMEDIA_TYPE_VIDEO)
2683
        start_index = is->video_stream;
2684
    else if (codec_type == AVMEDIA_TYPE_AUDIO)
2685
        start_index = is->audio_stream;
2686
    else
2687
        start_index = is->subtitle_stream;
2688
    if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
2689
        return;
2690
    stream_index = start_index;
2691
    for(;;) {
2692
        if (++stream_index >= is->ic->nb_streams)
2693
        {
2694
            if (codec_type == AVMEDIA_TYPE_SUBTITLE)
2695
            {
2696
                stream_index = -1;
2697
                goto the_end;
2698
            } else
2699
                stream_index = 0;
2700
        }
2701
        if (stream_index == start_index)
2702
            return;
2703
        st = ic->streams[stream_index];
2704
        if (st->codec->codec_type == codec_type) {
2705
            /* check that parameters are OK */
2706
            switch(codec_type) {
2707
            case AVMEDIA_TYPE_AUDIO:
2708
                if (st->codec->sample_rate != 0 &&
2709
                    st->codec->channels != 0)
2710
                    goto the_end;
2711
                break;
2712
            case AVMEDIA_TYPE_VIDEO:
2713
            case AVMEDIA_TYPE_SUBTITLE:
2714
                goto the_end;
2715
            default:
2716
                break;
2717
            }
2718
        }
2719
    }
2720
 the_end:
2721
    stream_component_close(is, start_index);
2722
    stream_component_open(is, stream_index);
2723
}
2724

    
2725

    
2726
static void toggle_full_screen(void)
2727
{
2728
    is_full_screen = !is_full_screen;
2729
    if (!fs_screen_width) {
2730
        /* use default SDL method */
2731
//        SDL_WM_ToggleFullScreen(screen);
2732
    }
2733
    video_open(cur_stream);
2734
}
2735

    
2736
static void toggle_pause(void)
2737
{
2738
    if (cur_stream)
2739
        stream_pause(cur_stream);
2740
    step = 0;
2741
}
2742

    
2743
static void step_to_next_frame(void)
2744
{
2745
    if (cur_stream) {
2746
        /* if the stream is paused unpause it, then step */
2747
        if (cur_stream->paused)
2748
            stream_pause(cur_stream);
2749
    }
2750
    step = 1;
2751
}
2752

    
2753
static void toggle_audio_display(void)
2754
{
2755
    if (cur_stream) {
2756
        int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2757
        cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
2758
        fill_rectangle(screen,
2759
                    cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2760
                    bgcolor);
2761
        SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
2762
    }
2763
}
2764

    
2765
/* handle an event sent by the GUI */
2766
static void event_loop(void)
2767
{
2768
    SDL_Event event;
2769
    double incr, pos, frac;
2770

    
2771
    for(;;) {
2772
        double x;
2773
        SDL_WaitEvent(&event);
2774
        switch(event.type) {
2775
        case SDL_KEYDOWN:
2776
            if (exit_on_keydown) {
2777
                do_exit();
2778
                break;
2779
            }
2780
            switch(event.key.keysym.sym) {
2781
            case SDLK_ESCAPE:
2782
            case SDLK_q:
2783
                do_exit();
2784
                break;
2785
            case SDLK_f:
2786
                toggle_full_screen();
2787
                break;
2788
            case SDLK_p:
2789
            case SDLK_SPACE:
2790
                toggle_pause();
2791
                break;
2792
            case SDLK_s: //S: Step to next frame
2793
                step_to_next_frame();
2794
                break;
2795
            case SDLK_a:
2796
                if (cur_stream)
2797
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
2798
                break;
2799
            case SDLK_v:
2800
                if (cur_stream)
2801
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
2802
                break;
2803
            case SDLK_t:
2804
                if (cur_stream)
2805
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
2806
                break;
2807
            case SDLK_w:
2808
                toggle_audio_display();
2809
                break;
2810
            case SDLK_LEFT:
2811
                incr = -10.0;
2812
                goto do_seek;
2813
            case SDLK_RIGHT:
2814
                incr = 10.0;
2815
                goto do_seek;
2816
            case SDLK_UP:
2817
                incr = 60.0;
2818
                goto do_seek;
2819
            case SDLK_DOWN:
2820
                incr = -60.0;
2821
            do_seek:
2822
                if (cur_stream) {
2823
                    if (seek_by_bytes) {
2824
                        if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2825
                            pos= cur_stream->video_current_pos;
2826
                        }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2827
                            pos= cur_stream->audio_pkt.pos;
2828
                        }else
2829
                            pos = url_ftell(cur_stream->ic->pb);
2830
                        if (cur_stream->ic->bit_rate)
2831
                            incr *= cur_stream->ic->bit_rate / 8.0;
2832
                        else
2833
                            incr *= 180000.0;
2834
                        pos += incr;
2835
                        stream_seek(cur_stream, pos, incr, 1);
2836
                    } else {
2837
                        pos = get_master_clock(cur_stream);
2838
                        pos += incr;
2839
                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
2840
                    }
2841
                }
2842
                break;
2843
            default:
2844
                break;
2845
            }
2846
            break;
2847
        case SDL_MOUSEBUTTONDOWN:
2848
            if (exit_on_mousedown) {
2849
                do_exit();
2850
                break;
2851
            }
2852
        case SDL_MOUSEMOTION:
2853
            if(event.type ==SDL_MOUSEBUTTONDOWN){
2854
                x= event.button.x;
2855
            }else{
2856
                if(event.motion.state != SDL_PRESSED)
2857
                    break;
2858
                x= event.motion.x;
2859
            }
2860
            if (cur_stream) {
2861
                if(seek_by_bytes || cur_stream->ic->duration<=0){
2862
                    uint64_t size=  url_fsize(cur_stream->ic->pb);
2863
                    stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2864
                }else{
2865
                    int64_t ts;
2866
                    int ns, hh, mm, ss;
2867
                    int tns, thh, tmm, tss;
2868
                    tns = cur_stream->ic->duration/1000000LL;
2869
                    thh = tns/3600;
2870
                    tmm = (tns%3600)/60;
2871
                    tss = (tns%60);
2872
                    frac = x/cur_stream->width;
2873
                    ns = frac*tns;
2874
                    hh = ns/3600;
2875
                    mm = (ns%3600)/60;
2876
                    ss = (ns%60);
2877
                    fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d)       \n", frac*100,
2878
                            hh, mm, ss, thh, tmm, tss);
2879
                    ts = frac*cur_stream->ic->duration;
2880
                    if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2881
                        ts += cur_stream->ic->start_time;
2882
                    stream_seek(cur_stream, ts, 0, 0);
2883
                }
2884
            }
2885
            break;
2886
        case SDL_VIDEORESIZE:
2887
            if (cur_stream) {
2888
                screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
2889
                                          SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
2890
                screen_width = cur_stream->width = event.resize.w;
2891
                screen_height= cur_stream->height= event.resize.h;
2892
            }
2893
            break;
2894
        case SDL_QUIT:
2895
        case FF_QUIT_EVENT:
2896
            do_exit();
2897
            break;
2898
        case FF_ALLOC_EVENT:
2899
            video_open(event.user.data1);
2900
            alloc_picture(event.user.data1);
2901
            break;
2902
        case FF_REFRESH_EVENT:
2903
            video_refresh_timer(event.user.data1);
2904
            cur_stream->refresh=0;
2905
            break;
2906
        default:
2907
            break;
2908
        }
2909
    }
2910
}
2911

    
2912
static void opt_frame_size(const char *arg)
2913
{
2914
    if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2915
        fprintf(stderr, "Incorrect frame size\n");
2916
        exit(1);
2917
    }
2918
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2919
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2920
        exit(1);
2921
    }
2922
}
2923

    
2924
static int opt_width(const char *opt, const char *arg)
2925
{
2926
    screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2927
    return 0;
2928
}
2929

    
2930
static int opt_height(const char *opt, const char *arg)
2931
{
2932
    screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2933
    return 0;
2934
}
2935

    
2936
static void opt_format(const char *arg)
2937
{
2938
    file_iformat = av_find_input_format(arg);
2939
    if (!file_iformat) {
2940
        fprintf(stderr, "Unknown input format: %s\n", arg);
2941
        exit(1);
2942
    }
2943
}
2944

    
2945
static void opt_frame_pix_fmt(const char *arg)
2946
{
2947
    frame_pix_fmt = av_get_pix_fmt(arg);
2948
}
2949

    
2950
static int opt_sync(const char *opt, const char *arg)
2951
{
2952
    if (!strcmp(arg, "audio"))
2953
        av_sync_type = AV_SYNC_AUDIO_MASTER;
2954
    else if (!strcmp(arg, "video"))
2955
        av_sync_type = AV_SYNC_VIDEO_MASTER;
2956
    else if (!strcmp(arg, "ext"))
2957
        av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
2958
    else {
2959
        fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
2960
        exit(1);
2961
    }
2962
    return 0;
2963
}
2964

    
2965
static int opt_seek(const char *opt, const char *arg)
2966
{
2967
    start_time = parse_time_or_die(opt, arg, 1);
2968
    return 0;
2969
}
2970

    
2971
static int opt_duration(const char *opt, const char *arg)
2972
{
2973
    duration = parse_time_or_die(opt, arg, 1);
2974
    return 0;
2975
}
2976

    
2977
static int opt_debug(const char *opt, const char *arg)
2978
{
2979
    av_log_set_level(99);
2980
    debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2981
    return 0;
2982
}
2983

    
2984
static int opt_vismv(const char *opt, const char *arg)
2985
{
2986
    debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2987
    return 0;
2988
}
2989

    
2990
static int opt_thread_count(const char *opt, const char *arg)
2991
{
2992
    thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2993
#if !HAVE_THREADS
2994
    fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2995
#endif
2996
    return 0;
2997
}
2998

    
2999
static const OptionDef options[] = {
3000
#include "cmdutils_common_opts.h"
3001
    { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
3002
    { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
3003
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3004
    { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
3005
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
3006
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
3007
    { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
3008
    { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
3009
    { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
3010
    { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
3011
    { "t", HAS_ARG | OPT_FUNC2, {(void*)&opt_duration}, "play  \"duration\" seconds of audio/video", "duration" },
3012
    { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
3013
    { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
3014
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3015
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3016
    { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
3017
    { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
3018
    { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
3019
    { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
3020
    { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
3021
    { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
3022
    { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
3023
    { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
3024
    { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
3025
    { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
3026
    { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
3027
    { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo",  "algo" },
3028
    { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)",  "threshold" },
3029
    { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options",  "bit_mask" },
3030
    { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
3031
    { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3032
    { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
3033
    { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
3034
    { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
3035
    { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
3036
    { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
3037
    { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
3038
#if CONFIG_AVFILTER
3039
    { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
3040
#endif
3041
    { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
3042
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3043
    { NULL, },
3044
};
3045

    
3046
static void show_usage(void)
3047
{
3048
    printf("Simple media player\n");
3049
    printf("usage: ffplay [options] input_file\n");
3050
    printf("\n");
3051
}
3052

    
3053
static void show_help(void)
3054
{
3055
    av_log_set_callback(log_callback_help);
3056
    show_usage();
3057
    show_help_options(options, "Main options:\n",
3058
                      OPT_EXPERT, 0);
3059
    show_help_options(options, "\nAdvanced options:\n",
3060
                      OPT_EXPERT, OPT_EXPERT);
3061
    printf("\n");
3062
    av_opt_show2(avcodec_opts[0], NULL,
3063
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3064
    printf("\n");
3065
    av_opt_show2(avformat_opts, NULL,
3066
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3067
#if !CONFIG_AVFILTER
3068
    printf("\n");
3069
    av_opt_show2(sws_opts, NULL,
3070
                 AV_OPT_FLAG_ENCODING_PARAM, 0);
3071
#endif
3072
    printf("\nWhile playing:\n"
3073
           "q, ESC              quit\n"
3074
           "f                   toggle full screen\n"
3075
           "p, SPC              pause\n"
3076
           "a                   cycle audio channel\n"
3077
           "v                   cycle video channel\n"
3078
           "t                   cycle subtitle channel\n"
3079
           "w                   show audio waves\n"
3080
           "s                   activate frame-step mode\n"
3081
           "left/right          seek backward/forward 10 seconds\n"
3082
           "down/up             seek backward/forward 1 minute\n"
3083
           "mouse click         seek to percentage in file corresponding to fraction of width\n"
3084
           );
3085
}
3086

    
3087
static void opt_input_file(const char *filename)
3088
{
3089
    if (input_filename) {
3090
        fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3091
                filename, input_filename);
3092
        exit(1);
3093
    }
3094
    if (!strcmp(filename, "-"))
3095
        filename = "pipe:";
3096
    input_filename = filename;
3097
}
3098

    
3099
/* Called from the main */
3100
int main(int argc, char **argv)
3101
{
3102
    int flags;
3103

    
3104
    av_log_set_flags(AV_LOG_SKIP_REPEATED);
3105

    
3106
    /* register all codecs, demux and protocols */
3107
    avcodec_register_all();
3108
#if CONFIG_AVDEVICE
3109
    avdevice_register_all();
3110
#endif
3111
#if CONFIG_AVFILTER
3112
    avfilter_register_all();
3113
#endif
3114
    av_register_all();
3115

    
3116
    init_opts();
3117

    
3118
    show_banner();
3119

    
3120
    parse_options(argc, argv, options, opt_input_file);
3121

    
3122
    if (!input_filename) {
3123
        show_usage();
3124
        fprintf(stderr, "An input file must be specified\n");
3125
        fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
3126
        exit(1);
3127
    }
3128

    
3129
    if (display_disable) {
3130
        video_disable = 1;
3131
    }
3132
    flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
3133
#if !defined(__MINGW32__) && !defined(__APPLE__)
3134
    flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
3135
#endif
3136
    if (SDL_Init (flags)) {
3137
        fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
3138
        exit(1);
3139
    }
3140

    
3141
    if (!display_disable) {
3142
#if HAVE_SDL_VIDEO_SIZE
3143
        const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3144
        fs_screen_width = vi->current_w;
3145
        fs_screen_height = vi->current_h;
3146
#endif
3147
    }
3148

    
3149
    SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
3150
    SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3151
    SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3152

    
3153
    av_init_packet(&flush_pkt);
3154
    flush_pkt.data= "FLUSH";
3155

    
3156
    cur_stream = stream_open(input_filename, file_iformat);
3157

    
3158
    event_loop();
3159

    
3160
    /* never returns */
3161

    
3162
    return 0;
3163
}