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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

    
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#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_SYNC
62

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

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

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

    
76
#define FRAME_SKIP_FACTOR 0.05
77

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

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

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

    
87
static int sws_flags = SWS_BICUBIC;
88

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

    
98
#define VIDEO_PICTURE_QUEUE_SIZE 2
99
#define SUBPICTURE_QUEUE_SIZE 4
100

    
101
typedef struct VideoPicture {
102
    double pts;                                  ///<presentation time stamp for this picture
103
    double target_clock;                         ///<av_gettime() time at which this should be displayed ideally
104
    int64_t pos;                                 ///<byte position in file
105
    SDL_Overlay *bmp;
106
    int width, height; /* source height & width */
107
    int allocated;
108
    enum PixelFormat pix_fmt;
109

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

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

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

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

    
143
    int audio_stream;
144

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

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

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

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

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

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

    
210
    PtsCorrectionContext pts_ctx;
211

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

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

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

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

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

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

    
279
static AVPacket flush_pkt;
280

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

    
285
static SDL_Surface *screen;
286

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

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

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

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

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

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

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

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

    
336

    
337
    SDL_LockMutex(q->mutex);
338

    
339
    if (!q->last_pkt)
340

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

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

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

    
358
    q->abort_request = 1;
359

    
360
    SDL_CondSignal(q->cond);
361

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

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

    
371
    SDL_LockMutex(q->mutex);
372

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

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

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

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

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

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

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

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

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

    
476

    
477
#define BPP 1
478

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
776

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1001
    return 0;
1002
}
1003

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1151
    return is->frame_timer;
1152
}
1153

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

    
1160
    SubPicture *sp, *sp2;
1161

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1427
        vp->allocated = 0;
1428

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1518
    pts = pts1;
1519

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

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

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

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

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

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

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

    
1570
        /* NOTE: ipts is the PTS of the _first_ picture beginning in
1571
           this packet, if any */
1572
        is->video_st->codec->reordered_opaque= pkt->pts;
1573
        len1 = avcodec_decode_video2(is->video_st->codec,
1574
                                    frame, &got_picture,
1575
                                    pkt);
1576

    
1577
        if (got_picture) {
1578
            if (decoder_reorder_pts == -1) {
1579
                *pts = guess_correct_pts(&is->pts_ctx, frame->reordered_opaque, pkt->dts);
1580
            } else if (decoder_reorder_pts) {
1581
                *pts = frame->reordered_opaque;
1582
            } else {
1583
                *pts = pkt->dts;
1584
            }
1585

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

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

    
1600
    }
1601
    return 0;
1602
}
1603

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

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

    
1619
    if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
1620
        perms |= AV_PERM_NEG_LINESIZES;
1621

    
1622
    if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
1623
        if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
1624
        if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
1625
        if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
1626
    }
1627
    if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
1628

    
1629
    w = codec->width;
1630
    h = codec->height;
1631
    avcodec_align_dimensions2(codec, &w, &h, stride);
1632
    edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
1633
    w += edge << 1;
1634
    h += edge << 1;
1635

    
1636
    if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
1637
        return -1;
1638

    
1639
    ref->video->w = codec->width;
1640
    ref->video->h = codec->height;
1641
    for(i = 0; i < 4; i ++) {
1642
        unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
1643
        unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
1644

    
1645
        if (ref->data[i]) {
1646
            ref->data[i]    += (edge >> hshift) + ((edge * ref->linesize[i]) >> vshift);
1647
        }
1648
        pic->data[i]     = ref->data[i];
1649
        pic->linesize[i] = ref->linesize[i];
1650
    }
1651
    pic->opaque = ref;
1652
    pic->age    = INT_MAX;
1653
    pic->type   = FF_BUFFER_TYPE_USER;
1654
    pic->reordered_opaque = codec->reordered_opaque;
1655
    if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1656
    else           pic->pkt_pts = AV_NOPTS_VALUE;
1657
    return 0;
1658
}
1659

    
1660
static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
1661
{
1662
    memset(pic->data, 0, sizeof(pic->data));
1663
    avfilter_unref_buffer(pic->opaque);
1664
}
1665

    
1666
static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
1667
{
1668
    AVFilterBufferRef *ref = pic->opaque;
1669

    
1670
    if (pic->data[0] == NULL) {
1671
        pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
1672
        return codec->get_buffer(codec, pic);
1673
    }
1674

    
1675
    if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
1676
        (codec->pix_fmt != ref->format)) {
1677
        av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
1678
        return -1;
1679
    }
1680

    
1681
    pic->reordered_opaque = codec->reordered_opaque;
1682
    if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1683
    else           pic->pkt_pts = AV_NOPTS_VALUE;
1684
    return 0;
1685
}
1686

    
1687
static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1688
{
1689
    FilterPriv *priv = ctx->priv;
1690
    AVCodecContext *codec;
1691
    if(!opaque) return -1;
1692

    
1693
    priv->is = opaque;
1694
    codec    = priv->is->video_st->codec;
1695
    codec->opaque = ctx;
1696
    if(codec->codec->capabilities & CODEC_CAP_DR1) {
1697
        priv->use_dr1 = 1;
1698
        codec->get_buffer     = input_get_buffer;
1699
        codec->release_buffer = input_release_buffer;
1700
        codec->reget_buffer   = input_reget_buffer;
1701
    }
1702

    
1703
    priv->frame = avcodec_alloc_frame();
1704

    
1705
    return 0;
1706
}
1707

    
1708
static void input_uninit(AVFilterContext *ctx)
1709
{
1710
    FilterPriv *priv = ctx->priv;
1711
    av_free(priv->frame);
1712
}
1713

    
1714
static int input_request_frame(AVFilterLink *link)
1715
{
1716
    FilterPriv *priv = link->src->priv;
1717
    AVFilterBufferRef *picref;
1718
    int64_t pts = 0;
1719
    AVPacket pkt;
1720
    int ret;
1721

    
1722
    while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1723
        av_free_packet(&pkt);
1724
    if (ret < 0)
1725
        return -1;
1726

    
1727
    if(priv->use_dr1) {
1728
        picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
1729
    } else {
1730
        picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
1731
        av_image_copy(picref->data, picref->linesize,
1732
                      priv->frame->data, priv->frame->linesize,
1733
                      picref->format, link->w, link->h);
1734
    }
1735
    av_free_packet(&pkt);
1736

    
1737
    picref->pts = pts;
1738
    picref->pos = pkt.pos;
1739
    picref->video->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
1740
    avfilter_start_frame(link, picref);
1741
    avfilter_draw_slice(link, 0, link->h, 1);
1742
    avfilter_end_frame(link);
1743

    
1744
    return 0;
1745
}
1746

    
1747
static int input_query_formats(AVFilterContext *ctx)
1748
{
1749
    FilterPriv *priv = ctx->priv;
1750
    enum PixelFormat pix_fmts[] = {
1751
        priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1752
    };
1753

    
1754
    avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1755
    return 0;
1756
}
1757

    
1758
static int input_config_props(AVFilterLink *link)
1759
{
1760
    FilterPriv *priv  = link->src->priv;
1761
    AVCodecContext *c = priv->is->video_st->codec;
1762

    
1763
    link->w = c->width;
1764
    link->h = c->height;
1765
    link->time_base = priv->is->video_st->time_base;
1766

    
1767
    return 0;
1768
}
1769

    
1770
static AVFilter input_filter =
1771
{
1772
    .name      = "ffplay_input",
1773

    
1774
    .priv_size = sizeof(FilterPriv),
1775

    
1776
    .init      = input_init,
1777
    .uninit    = input_uninit,
1778

    
1779
    .query_formats = input_query_formats,
1780

    
1781
    .inputs    = (AVFilterPad[]) {{ .name = NULL }},
1782
    .outputs   = (AVFilterPad[]) {{ .name = "default",
1783
                                    .type = AVMEDIA_TYPE_VIDEO,
1784
                                    .request_frame = input_request_frame,
1785
                                    .config_props  = input_config_props, },
1786
                                  { .name = NULL }},
1787
};
1788

    
1789
#endif  /* CONFIG_AVFILTER */
1790

    
1791
static int video_thread(void *arg)
1792
{
1793
    VideoState *is = arg;
1794
    AVFrame *frame= avcodec_alloc_frame();
1795
    int64_t pts_int;
1796
    double pts;
1797
    int ret;
1798

    
1799
#if CONFIG_AVFILTER
1800
    int64_t pos;
1801
    char sws_flags_str[128];
1802
    FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
1803
    AVFilterContext *filt_src = NULL, *filt_out = NULL;
1804
    AVFilterGraph *graph = avfilter_graph_alloc();
1805
    snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
1806
    graph->scale_sws_opts = av_strdup(sws_flags_str);
1807

    
1808
    if (avfilter_graph_create_filter(&filt_src, &input_filter, "src",
1809
                                     NULL, is, graph) < 0)
1810
        goto the_end;
1811
    if (avfilter_graph_create_filter(&filt_out, &ffsink, "out",
1812
                                     NULL, &ffsink_ctx, graph) < 0)
1813
        goto the_end;
1814

    
1815
    if(vfilters) {
1816
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1817
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
1818

    
1819
        outputs->name    = av_strdup("in");
1820
        outputs->filter_ctx = filt_src;
1821
        outputs->pad_idx = 0;
1822
        outputs->next    = NULL;
1823

    
1824
        inputs->name    = av_strdup("out");
1825
        inputs->filter_ctx = filt_out;
1826
        inputs->pad_idx = 0;
1827
        inputs->next    = NULL;
1828

    
1829
        if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
1830
            goto the_end;
1831
        av_freep(&vfilters);
1832
    } else {
1833
        if(avfilter_link(filt_src, 0, filt_out, 0) < 0)          goto the_end;
1834
    }
1835

    
1836
    if (avfilter_graph_config(graph, NULL) < 0)
1837
        goto the_end;
1838

    
1839
    is->out_video_filter = filt_out;
1840
#endif
1841

    
1842
    for(;;) {
1843
#if !CONFIG_AVFILTER
1844
        AVPacket pkt;
1845
#else
1846
        AVFilterBufferRef *picref;
1847
        AVRational tb;
1848
#endif
1849
        while (is->paused && !is->videoq.abort_request)
1850
            SDL_Delay(10);
1851
#if CONFIG_AVFILTER
1852
        ret = get_filtered_video_frame(filt_out, frame, &picref, &tb);
1853
        if (picref) {
1854
            pts_int = picref->pts;
1855
            pos     = picref->pos;
1856
            frame->opaque = picref;
1857
        }
1858

    
1859
        if (av_cmp_q(tb, is->video_st->time_base)) {
1860
            int64_t pts1 = pts_int;
1861
            pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1862
            av_log(NULL, AV_LOG_DEBUG, "video_thread(): "
1863
                   "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1864
                   tb.num, tb.den, pts1,
1865
                   is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1866
        }
1867
#else
1868
        ret = get_video_frame(is, frame, &pts_int, &pkt);
1869
#endif
1870

    
1871
        if (ret < 0) goto the_end;
1872

    
1873
        if (!ret)
1874
            continue;
1875

    
1876
        pts = pts_int*av_q2d(is->video_st->time_base);
1877

    
1878
#if CONFIG_AVFILTER
1879
        ret = output_picture2(is, frame, pts, pos);
1880
#else
1881
        ret = output_picture2(is, frame, pts,  pkt.pos);
1882
        av_free_packet(&pkt);
1883
#endif
1884
        if (ret < 0)
1885
            goto the_end;
1886

    
1887
        if (step)
1888
            if (cur_stream)
1889
                stream_pause(cur_stream);
1890
    }
1891
 the_end:
1892
#if CONFIG_AVFILTER
1893
    avfilter_graph_free(graph);
1894
    av_freep(&graph);
1895
#endif
1896
    av_free(frame);
1897
    return 0;
1898
}
1899

    
1900
static int subtitle_thread(void *arg)
1901
{
1902
    VideoState *is = arg;
1903
    SubPicture *sp;
1904
    AVPacket pkt1, *pkt = &pkt1;
1905
    int len1, got_subtitle;
1906
    double pts;
1907
    int i, j;
1908
    int r, g, b, y, u, v, a;
1909

    
1910
    for(;;) {
1911
        while (is->paused && !is->subtitleq.abort_request) {
1912
            SDL_Delay(10);
1913
        }
1914
        if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1915
            break;
1916

    
1917
        if(pkt->data == flush_pkt.data){
1918
            avcodec_flush_buffers(is->subtitle_st->codec);
1919
            continue;
1920
        }
1921
        SDL_LockMutex(is->subpq_mutex);
1922
        while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1923
               !is->subtitleq.abort_request) {
1924
            SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1925
        }
1926
        SDL_UnlockMutex(is->subpq_mutex);
1927

    
1928
        if (is->subtitleq.abort_request)
1929
            goto the_end;
1930

    
1931
        sp = &is->subpq[is->subpq_windex];
1932

    
1933
       /* NOTE: ipts is the PTS of the _first_ picture beginning in
1934
           this packet, if any */
1935
        pts = 0;
1936
        if (pkt->pts != AV_NOPTS_VALUE)
1937
            pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1938

    
1939
        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
1940
                                    &sp->sub, &got_subtitle,
1941
                                    pkt);
1942
//            if (len1 < 0)
1943
//                break;
1944
        if (got_subtitle && sp->sub.format == 0) {
1945
            sp->pts = pts;
1946

    
1947
            for (i = 0; i < sp->sub.num_rects; i++)
1948
            {
1949
                for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1950
                {
1951
                    RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1952
                    y = RGB_TO_Y_CCIR(r, g, b);
1953
                    u = RGB_TO_U_CCIR(r, g, b, 0);
1954
                    v = RGB_TO_V_CCIR(r, g, b, 0);
1955
                    YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1956
                }
1957
            }
1958

    
1959
            /* now we can update the picture count */
1960
            if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1961
                is->subpq_windex = 0;
1962
            SDL_LockMutex(is->subpq_mutex);
1963
            is->subpq_size++;
1964
            SDL_UnlockMutex(is->subpq_mutex);
1965
        }
1966
        av_free_packet(pkt);
1967
//        if (step)
1968
//            if (cur_stream)
1969
//                stream_pause(cur_stream);
1970
    }
1971
 the_end:
1972
    return 0;
1973
}
1974

    
1975
/* copy samples for viewing in editor window */
1976
static void update_sample_display(VideoState *is, short *samples, int samples_size)
1977
{
1978
    int size, len, channels;
1979

    
1980
    channels = is->audio_st->codec->channels;
1981

    
1982
    size = samples_size / sizeof(short);
1983
    while (size > 0) {
1984
        len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1985
        if (len > size)
1986
            len = size;
1987
        memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1988
        samples += len;
1989
        is->sample_array_index += len;
1990
        if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1991
            is->sample_array_index = 0;
1992
        size -= len;
1993
    }
1994
}
1995

    
1996
/* return the new audio buffer size (samples can be added or deleted
1997
   to get better sync if video or external master clock) */
1998
static int synchronize_audio(VideoState *is, short *samples,
1999
                             int samples_size1, double pts)
2000
{
2001
    int n, samples_size;
2002
    double ref_clock;
2003

    
2004
    n = 2 * is->audio_st->codec->channels;
2005
    samples_size = samples_size1;
2006

    
2007
    /* if not master, then we try to remove or add samples to correct the clock */
2008
    if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
2009
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
2010
        double diff, avg_diff;
2011
        int wanted_size, min_size, max_size, nb_samples;
2012

    
2013
        ref_clock = get_master_clock(is);
2014
        diff = get_audio_clock(is) - ref_clock;
2015

    
2016
        if (diff < AV_NOSYNC_THRESHOLD) {
2017
            is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
2018
            if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
2019
                /* not enough measures to have a correct estimate */
2020
                is->audio_diff_avg_count++;
2021
            } else {
2022
                /* estimate the A-V difference */
2023
                avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
2024

    
2025
                if (fabs(avg_diff) >= is->audio_diff_threshold) {
2026
                    wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
2027
                    nb_samples = samples_size / n;
2028

    
2029
                    min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2030
                    max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2031
                    if (wanted_size < min_size)
2032
                        wanted_size = min_size;
2033
                    else if (wanted_size > max_size)
2034
                        wanted_size = max_size;
2035

    
2036
                    /* add or remove samples to correction the synchro */
2037
                    if (wanted_size < samples_size) {
2038
                        /* remove samples */
2039
                        samples_size = wanted_size;
2040
                    } else if (wanted_size > samples_size) {
2041
                        uint8_t *samples_end, *q;
2042
                        int nb;
2043

    
2044
                        /* add samples */
2045
                        nb = (samples_size - wanted_size);
2046
                        samples_end = (uint8_t *)samples + samples_size - n;
2047
                        q = samples_end + n;
2048
                        while (nb > 0) {
2049
                            memcpy(q, samples_end, n);
2050
                            q += n;
2051
                            nb -= n;
2052
                        }
2053
                        samples_size = wanted_size;
2054
                    }
2055
                }
2056
#if 0
2057
                printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
2058
                       diff, avg_diff, samples_size - samples_size1,
2059
                       is->audio_clock, is->video_clock, is->audio_diff_threshold);
2060
#endif
2061
            }
2062
        } else {
2063
            /* too big difference : may be initial PTS errors, so
2064
               reset A-V filter */
2065
            is->audio_diff_avg_count = 0;
2066
            is->audio_diff_cum = 0;
2067
        }
2068
    }
2069

    
2070
    return samples_size;
2071
}
2072

    
2073
/* decode one audio frame and returns its uncompressed size */
2074
static int audio_decode_frame(VideoState *is, double *pts_ptr)
2075
{
2076
    AVPacket *pkt_temp = &is->audio_pkt_temp;
2077
    AVPacket *pkt = &is->audio_pkt;
2078
    AVCodecContext *dec= is->audio_st->codec;
2079
    int n, len1, data_size;
2080
    double pts;
2081

    
2082
    for(;;) {
2083
        /* NOTE: the audio packet can contain several frames */
2084
        while (pkt_temp->size > 0) {
2085
            data_size = sizeof(is->audio_buf1);
2086
            len1 = avcodec_decode_audio3(dec,
2087
                                        (int16_t *)is->audio_buf1, &data_size,
2088
                                        pkt_temp);
2089
            if (len1 < 0) {
2090
                /* if error, we skip the frame */
2091
                pkt_temp->size = 0;
2092
                break;
2093
            }
2094

    
2095
            pkt_temp->data += len1;
2096
            pkt_temp->size -= len1;
2097
            if (data_size <= 0)
2098
                continue;
2099

    
2100
            if (dec->sample_fmt != is->audio_src_fmt) {
2101
                if (is->reformat_ctx)
2102
                    av_audio_convert_free(is->reformat_ctx);
2103
                is->reformat_ctx= av_audio_convert_alloc(AV_SAMPLE_FMT_S16, 1,
2104
                                                         dec->sample_fmt, 1, NULL, 0);
2105
                if (!is->reformat_ctx) {
2106
                    fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
2107
                        av_get_sample_fmt_name(dec->sample_fmt),
2108
                        av_get_sample_fmt_name(AV_SAMPLE_FMT_S16));
2109
                        break;
2110
                }
2111
                is->audio_src_fmt= dec->sample_fmt;
2112
            }
2113

    
2114
            if (is->reformat_ctx) {
2115
                const void *ibuf[6]= {is->audio_buf1};
2116
                void *obuf[6]= {is->audio_buf2};
2117
                int istride[6]= {av_get_bits_per_sample_fmt(dec->sample_fmt)/8};
2118
                int ostride[6]= {2};
2119
                int len= data_size/istride[0];
2120
                if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2121
                    printf("av_audio_convert() failed\n");
2122
                    break;
2123
                }
2124
                is->audio_buf= is->audio_buf2;
2125
                /* FIXME: existing code assume that data_size equals framesize*channels*2
2126
                          remove this legacy cruft */
2127
                data_size= len*2;
2128
            }else{
2129
                is->audio_buf= is->audio_buf1;
2130
            }
2131

    
2132
            /* if no pts, then compute it */
2133
            pts = is->audio_clock;
2134
            *pts_ptr = pts;
2135
            n = 2 * dec->channels;
2136
            is->audio_clock += (double)data_size /
2137
                (double)(n * dec->sample_rate);
2138
#if defined(DEBUG_SYNC)
2139
            {
2140
                static double last_clock;
2141
                printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2142
                       is->audio_clock - last_clock,
2143
                       is->audio_clock, pts);
2144
                last_clock = is->audio_clock;
2145
            }
2146
#endif
2147
            return data_size;
2148
        }
2149

    
2150
        /* free the current packet */
2151
        if (pkt->data)
2152
            av_free_packet(pkt);
2153

    
2154
        if (is->paused || is->audioq.abort_request) {
2155
            return -1;
2156
        }
2157

    
2158
        /* read next packet */
2159
        if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2160
            return -1;
2161
        if(pkt->data == flush_pkt.data){
2162
            avcodec_flush_buffers(dec);
2163
            continue;
2164
        }
2165

    
2166
        pkt_temp->data = pkt->data;
2167
        pkt_temp->size = pkt->size;
2168

    
2169
        /* if update the audio clock with the pts */
2170
        if (pkt->pts != AV_NOPTS_VALUE) {
2171
            is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2172
        }
2173
    }
2174
}
2175

    
2176
/* get the current audio output buffer size, in samples. With SDL, we
2177
   cannot have a precise information */
2178
static int audio_write_get_buf_size(VideoState *is)
2179
{
2180
    return is->audio_buf_size - is->audio_buf_index;
2181
}
2182

    
2183

    
2184
/* prepare a new audio buffer */
2185
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2186
{
2187
    VideoState *is = opaque;
2188
    int audio_size, len1;
2189
    double pts;
2190

    
2191
    audio_callback_time = av_gettime();
2192

    
2193
    while (len > 0) {
2194
        if (is->audio_buf_index >= is->audio_buf_size) {
2195
           audio_size = audio_decode_frame(is, &pts);
2196
           if (audio_size < 0) {
2197
                /* if error, just output silence */
2198
               is->audio_buf = is->audio_buf1;
2199
               is->audio_buf_size = 1024;
2200
               memset(is->audio_buf, 0, is->audio_buf_size);
2201
           } else {
2202
               if (is->show_audio)
2203
                   update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2204
               audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2205
                                              pts);
2206
               is->audio_buf_size = audio_size;
2207
           }
2208
           is->audio_buf_index = 0;
2209
        }
2210
        len1 = is->audio_buf_size - is->audio_buf_index;
2211
        if (len1 > len)
2212
            len1 = len;
2213
        memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2214
        len -= len1;
2215
        stream += len1;
2216
        is->audio_buf_index += len1;
2217
    }
2218
}
2219

    
2220
/* open a given stream. Return 0 if OK */
2221
static int stream_component_open(VideoState *is, int stream_index)
2222
{
2223
    AVFormatContext *ic = is->ic;
2224
    AVCodecContext *avctx;
2225
    AVCodec *codec;
2226
    SDL_AudioSpec wanted_spec, spec;
2227

    
2228
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2229
        return -1;
2230
    avctx = ic->streams[stream_index]->codec;
2231

    
2232
    /* prepare audio output */
2233
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2234
        if (avctx->channels > 0) {
2235
            avctx->request_channels = FFMIN(2, avctx->channels);
2236
        } else {
2237
            avctx->request_channels = 2;
2238
        }
2239
    }
2240

    
2241
    codec = avcodec_find_decoder(avctx->codec_id);
2242
    avctx->debug_mv = debug_mv;
2243
    avctx->debug = debug;
2244
    avctx->workaround_bugs = workaround_bugs;
2245
    avctx->lowres = lowres;
2246
    if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2247
    avctx->idct_algo= idct;
2248
    if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2249
    avctx->skip_frame= skip_frame;
2250
    avctx->skip_idct= skip_idct;
2251
    avctx->skip_loop_filter= skip_loop_filter;
2252
    avctx->error_recognition= error_recognition;
2253
    avctx->error_concealment= error_concealment;
2254
    avcodec_thread_init(avctx, thread_count);
2255

    
2256
    set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
2257

    
2258
    if (!codec ||
2259
        avcodec_open(avctx, codec) < 0)
2260
        return -1;
2261

    
2262
    /* prepare audio output */
2263
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2264
        wanted_spec.freq = avctx->sample_rate;
2265
        wanted_spec.format = AUDIO_S16SYS;
2266
        wanted_spec.channels = avctx->channels;
2267
        wanted_spec.silence = 0;
2268
        wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2269
        wanted_spec.callback = sdl_audio_callback;
2270
        wanted_spec.userdata = is;
2271
        if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2272
            fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2273
            return -1;
2274
        }
2275
        is->audio_hw_buf_size = spec.size;
2276
        is->audio_src_fmt= AV_SAMPLE_FMT_S16;
2277
    }
2278

    
2279
    ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2280
    switch(avctx->codec_type) {
2281
    case AVMEDIA_TYPE_AUDIO:
2282
        is->audio_stream = stream_index;
2283
        is->audio_st = ic->streams[stream_index];
2284
        is->audio_buf_size = 0;
2285
        is->audio_buf_index = 0;
2286

    
2287
        /* init averaging filter */
2288
        is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2289
        is->audio_diff_avg_count = 0;
2290
        /* since we do not have a precise anough audio fifo fullness,
2291
           we correct audio sync only if larger than this threshold */
2292
        is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
2293

    
2294
        memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2295
        packet_queue_init(&is->audioq);
2296
        SDL_PauseAudio(0);
2297
        break;
2298
    case AVMEDIA_TYPE_VIDEO:
2299
        is->video_stream = stream_index;
2300
        is->video_st = ic->streams[stream_index];
2301

    
2302
//        is->video_current_pts_time = av_gettime();
2303

    
2304
        packet_queue_init(&is->videoq);
2305
        is->video_tid = SDL_CreateThread(video_thread, is);
2306
        break;
2307
    case AVMEDIA_TYPE_SUBTITLE:
2308
        is->subtitle_stream = stream_index;
2309
        is->subtitle_st = ic->streams[stream_index];
2310
        packet_queue_init(&is->subtitleq);
2311

    
2312
        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2313
        break;
2314
    default:
2315
        break;
2316
    }
2317
    return 0;
2318
}
2319

    
2320
static void stream_component_close(VideoState *is, int stream_index)
2321
{
2322
    AVFormatContext *ic = is->ic;
2323
    AVCodecContext *avctx;
2324

    
2325
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2326
        return;
2327
    avctx = ic->streams[stream_index]->codec;
2328

    
2329
    switch(avctx->codec_type) {
2330
    case AVMEDIA_TYPE_AUDIO:
2331
        packet_queue_abort(&is->audioq);
2332

    
2333
        SDL_CloseAudio();
2334

    
2335
        packet_queue_end(&is->audioq);
2336
        if (is->reformat_ctx)
2337
            av_audio_convert_free(is->reformat_ctx);
2338
        is->reformat_ctx = NULL;
2339
        break;
2340
    case AVMEDIA_TYPE_VIDEO:
2341
        packet_queue_abort(&is->videoq);
2342

    
2343
        /* note: we also signal this mutex to make sure we deblock the
2344
           video thread in all cases */
2345
        SDL_LockMutex(is->pictq_mutex);
2346
        SDL_CondSignal(is->pictq_cond);
2347
        SDL_UnlockMutex(is->pictq_mutex);
2348

    
2349
        SDL_WaitThread(is->video_tid, NULL);
2350

    
2351
        packet_queue_end(&is->videoq);
2352
        break;
2353
    case AVMEDIA_TYPE_SUBTITLE:
2354
        packet_queue_abort(&is->subtitleq);
2355

    
2356
        /* note: we also signal this mutex to make sure we deblock the
2357
           video thread in all cases */
2358
        SDL_LockMutex(is->subpq_mutex);
2359
        is->subtitle_stream_changed = 1;
2360

    
2361
        SDL_CondSignal(is->subpq_cond);
2362
        SDL_UnlockMutex(is->subpq_mutex);
2363

    
2364
        SDL_WaitThread(is->subtitle_tid, NULL);
2365

    
2366
        packet_queue_end(&is->subtitleq);
2367
        break;
2368
    default:
2369
        break;
2370
    }
2371

    
2372
    ic->streams[stream_index]->discard = AVDISCARD_ALL;
2373
    avcodec_close(avctx);
2374
    switch(avctx->codec_type) {
2375
    case AVMEDIA_TYPE_AUDIO:
2376
        is->audio_st = NULL;
2377
        is->audio_stream = -1;
2378
        break;
2379
    case AVMEDIA_TYPE_VIDEO:
2380
        is->video_st = NULL;
2381
        is->video_stream = -1;
2382
        break;
2383
    case AVMEDIA_TYPE_SUBTITLE:
2384
        is->subtitle_st = NULL;
2385
        is->subtitle_stream = -1;
2386
        break;
2387
    default:
2388
        break;
2389
    }
2390
}
2391

    
2392
/* since we have only one decoding thread, we can use a global
2393
   variable instead of a thread local variable */
2394
static VideoState *global_video_state;
2395

    
2396
static int decode_interrupt_cb(void)
2397
{
2398
    return (global_video_state && global_video_state->abort_request);
2399
}
2400

    
2401
/* this thread gets the stream from the disk or the network */
2402
static int decode_thread(void *arg)
2403
{
2404
    VideoState *is = arg;
2405
    AVFormatContext *ic;
2406
    int err, i, ret;
2407
    int st_index[AVMEDIA_TYPE_NB];
2408
    AVPacket pkt1, *pkt = &pkt1;
2409
    AVFormatParameters params, *ap = &params;
2410
    int eof=0;
2411
    int pkt_in_play_range = 0;
2412

    
2413
    ic = avformat_alloc_context();
2414

    
2415
    memset(st_index, -1, sizeof(st_index));
2416
    is->video_stream = -1;
2417
    is->audio_stream = -1;
2418
    is->subtitle_stream = -1;
2419

    
2420
    global_video_state = is;
2421
    url_set_interrupt_cb(decode_interrupt_cb);
2422

    
2423
    memset(ap, 0, sizeof(*ap));
2424

    
2425
    ap->prealloced_context = 1;
2426
    ap->width = frame_width;
2427
    ap->height= frame_height;
2428
    ap->time_base= (AVRational){1, 25};
2429
    ap->pix_fmt = frame_pix_fmt;
2430

    
2431
    set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
2432

    
2433
    err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
2434
    if (err < 0) {
2435
        print_error(is->filename, err);
2436
        ret = -1;
2437
        goto fail;
2438
    }
2439
    is->ic = ic;
2440

    
2441
    if(genpts)
2442
        ic->flags |= AVFMT_FLAG_GENPTS;
2443

    
2444
    err = av_find_stream_info(ic);
2445
    if (err < 0) {
2446
        fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2447
        ret = -1;
2448
        goto fail;
2449
    }
2450
    if(ic->pb)
2451
        ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2452

    
2453
    if(seek_by_bytes<0)
2454
        seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2455

    
2456
    /* if seeking requested, we execute it */
2457
    if (start_time != AV_NOPTS_VALUE) {
2458
        int64_t timestamp;
2459

    
2460
        timestamp = start_time;
2461
        /* add the stream start time */
2462
        if (ic->start_time != AV_NOPTS_VALUE)
2463
            timestamp += ic->start_time;
2464
        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
2465
        if (ret < 0) {
2466
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2467
                    is->filename, (double)timestamp / AV_TIME_BASE);
2468
        }
2469
    }
2470

    
2471
    for (i = 0; i < ic->nb_streams; i++)
2472
        ic->streams[i]->discard = AVDISCARD_ALL;
2473
    if (!video_disable)
2474
        st_index[AVMEDIA_TYPE_VIDEO] =
2475
            av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
2476
                                wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
2477
    if (!audio_disable)
2478
        st_index[AVMEDIA_TYPE_AUDIO] =
2479
            av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
2480
                                wanted_stream[AVMEDIA_TYPE_AUDIO],
2481
                                st_index[AVMEDIA_TYPE_VIDEO],
2482
                                NULL, 0);
2483
    if (!video_disable)
2484
        st_index[AVMEDIA_TYPE_SUBTITLE] =
2485
            av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
2486
                                wanted_stream[AVMEDIA_TYPE_SUBTITLE],
2487
                                (st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
2488
                                 st_index[AVMEDIA_TYPE_AUDIO] :
2489
                                 st_index[AVMEDIA_TYPE_VIDEO]),
2490
                                NULL, 0);
2491
    if (show_status) {
2492
        dump_format(ic, 0, is->filename, 0);
2493
    }
2494

    
2495
    /* open the streams */
2496
    if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2497
        stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
2498
    }
2499

    
2500
    ret=-1;
2501
    if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2502
        ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
2503
    }
2504
    is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2505
    if(ret<0) {
2506
        if (!display_disable)
2507
            is->show_audio = 2;
2508
    }
2509

    
2510
    if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2511
        stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
2512
    }
2513

    
2514
    if (is->video_stream < 0 && is->audio_stream < 0) {
2515
        fprintf(stderr, "%s: could not open codecs\n", is->filename);
2516
        ret = -1;
2517
        goto fail;
2518
    }
2519

    
2520
    for(;;) {
2521
        if (is->abort_request)
2522
            break;
2523
        if (is->paused != is->last_paused) {
2524
            is->last_paused = is->paused;
2525
            if (is->paused)
2526
                is->read_pause_return= av_read_pause(ic);
2527
            else
2528
                av_read_play(ic);
2529
        }
2530
#if CONFIG_RTSP_DEMUXER
2531
        if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2532
            /* wait 10 ms to avoid trying to get another packet */
2533
            /* XXX: horrible */
2534
            SDL_Delay(10);
2535
            continue;
2536
        }
2537
#endif
2538
        if (is->seek_req) {
2539
            int64_t seek_target= is->seek_pos;
2540
            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2541
            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2542
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2543
//      of the seek_pos/seek_rel variables
2544

    
2545
            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2546
            if (ret < 0) {
2547
                fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2548
            }else{
2549
                if (is->audio_stream >= 0) {
2550
                    packet_queue_flush(&is->audioq);
2551
                    packet_queue_put(&is->audioq, &flush_pkt);
2552
                }
2553
                if (is->subtitle_stream >= 0) {
2554
                    packet_queue_flush(&is->subtitleq);
2555
                    packet_queue_put(&is->subtitleq, &flush_pkt);
2556
                }
2557
                if (is->video_stream >= 0) {
2558
                    packet_queue_flush(&is->videoq);
2559
                    packet_queue_put(&is->videoq, &flush_pkt);
2560
                }
2561
            }
2562
            is->seek_req = 0;
2563
            eof= 0;
2564
        }
2565

    
2566
        /* if the queue are full, no need to read more */
2567
        if (   is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2568
            || (   (is->audioq   .size  > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2569
                && (is->videoq   .nb_packets > MIN_FRAMES || is->video_stream<0)
2570
                && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2571
            /* wait 10 ms */
2572
            SDL_Delay(10);
2573
            continue;
2574
        }
2575
        if(eof) {
2576
            if(is->video_stream >= 0){
2577
                av_init_packet(pkt);
2578
                pkt->data=NULL;
2579
                pkt->size=0;
2580
                pkt->stream_index= is->video_stream;
2581
                packet_queue_put(&is->videoq, pkt);
2582
            }
2583
            SDL_Delay(10);
2584
            if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2585
                if(loop!=1 && (!loop || --loop)){
2586
                    stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2587
                }else if(autoexit){
2588
                    ret=AVERROR_EOF;
2589
                    goto fail;
2590
                }
2591
            }
2592
            continue;
2593
        }
2594
        ret = av_read_frame(ic, pkt);
2595
        if (ret < 0) {
2596
            if (ret == AVERROR_EOF || url_feof(ic->pb))
2597
                eof=1;
2598
            if (url_ferror(ic->pb))
2599
                break;
2600
            SDL_Delay(100); /* wait for user event */
2601
            continue;
2602
        }
2603
        /* check if packet is in play range specified by user, then queue, otherwise discard */
2604
        pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2605
                (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2606
                av_q2d(ic->streams[pkt->stream_index]->time_base) -
2607
                (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2608
                <= ((double)duration/1000000);
2609
        if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
2610
            packet_queue_put(&is->audioq, pkt);
2611
        } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
2612
            packet_queue_put(&is->videoq, pkt);
2613
        } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
2614
            packet_queue_put(&is->subtitleq, pkt);
2615
        } else {
2616
            av_free_packet(pkt);
2617
        }
2618
    }
2619
    /* wait until the end */
2620
    while (!is->abort_request) {
2621
        SDL_Delay(100);
2622
    }
2623

    
2624
    ret = 0;
2625
 fail:
2626
    /* disable interrupting */
2627
    global_video_state = NULL;
2628

    
2629
    /* close each stream */
2630
    if (is->audio_stream >= 0)
2631
        stream_component_close(is, is->audio_stream);
2632
    if (is->video_stream >= 0)
2633
        stream_component_close(is, is->video_stream);
2634
    if (is->subtitle_stream >= 0)
2635
        stream_component_close(is, is->subtitle_stream);
2636
    if (is->ic) {
2637
        av_close_input_file(is->ic);
2638
        is->ic = NULL; /* safety */
2639
    }
2640
    url_set_interrupt_cb(NULL);
2641

    
2642
    if (ret != 0) {
2643
        SDL_Event event;
2644

    
2645
        event.type = FF_QUIT_EVENT;
2646
        event.user.data1 = is;
2647
        SDL_PushEvent(&event);
2648
    }
2649
    return 0;
2650
}
2651

    
2652
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2653
{
2654
    VideoState *is;
2655

    
2656
    is = av_mallocz(sizeof(VideoState));
2657
    if (!is)
2658
        return NULL;
2659
    av_strlcpy(is->filename, filename, sizeof(is->filename));
2660
    is->iformat = iformat;
2661
    is->ytop = 0;
2662
    is->xleft = 0;
2663

    
2664
    /* start video display */
2665
    is->pictq_mutex = SDL_CreateMutex();
2666
    is->pictq_cond = SDL_CreateCond();
2667

    
2668
    is->subpq_mutex = SDL_CreateMutex();
2669
    is->subpq_cond = SDL_CreateCond();
2670

    
2671
    is->av_sync_type = av_sync_type;
2672
    is->parse_tid = SDL_CreateThread(decode_thread, is);
2673
    if (!is->parse_tid) {
2674
        av_free(is);
2675
        return NULL;
2676
    }
2677
    return is;
2678
}
2679

    
2680
static void stream_cycle_channel(VideoState *is, int codec_type)
2681
{
2682
    AVFormatContext *ic = is->ic;
2683
    int start_index, stream_index;
2684
    AVStream *st;
2685

    
2686
    if (codec_type == AVMEDIA_TYPE_VIDEO)
2687
        start_index = is->video_stream;
2688
    else if (codec_type == AVMEDIA_TYPE_AUDIO)
2689
        start_index = is->audio_stream;
2690
    else
2691
        start_index = is->subtitle_stream;
2692
    if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
2693
        return;
2694
    stream_index = start_index;
2695
    for(;;) {
2696
        if (++stream_index >= is->ic->nb_streams)
2697
        {
2698
            if (codec_type == AVMEDIA_TYPE_SUBTITLE)
2699
            {
2700
                stream_index = -1;
2701
                goto the_end;
2702
            } else
2703
                stream_index = 0;
2704
        }
2705
        if (stream_index == start_index)
2706
            return;
2707
        st = ic->streams[stream_index];
2708
        if (st->codec->codec_type == codec_type) {
2709
            /* check that parameters are OK */
2710
            switch(codec_type) {
2711
            case AVMEDIA_TYPE_AUDIO:
2712
                if (st->codec->sample_rate != 0 &&
2713
                    st->codec->channels != 0)
2714
                    goto the_end;
2715
                break;
2716
            case AVMEDIA_TYPE_VIDEO:
2717
            case AVMEDIA_TYPE_SUBTITLE:
2718
                goto the_end;
2719
            default:
2720
                break;
2721
            }
2722
        }
2723
    }
2724
 the_end:
2725
    stream_component_close(is, start_index);
2726
    stream_component_open(is, stream_index);
2727
}
2728

    
2729

    
2730
static void toggle_full_screen(void)
2731
{
2732
    is_full_screen = !is_full_screen;
2733
    if (!fs_screen_width) {
2734
        /* use default SDL method */
2735
//        SDL_WM_ToggleFullScreen(screen);
2736
    }
2737
    video_open(cur_stream);
2738
}
2739

    
2740
static void toggle_pause(void)
2741
{
2742
    if (cur_stream)
2743
        stream_pause(cur_stream);
2744
    step = 0;
2745
}
2746

    
2747
static void step_to_next_frame(void)
2748
{
2749
    if (cur_stream) {
2750
        /* if the stream is paused unpause it, then step */
2751
        if (cur_stream->paused)
2752
            stream_pause(cur_stream);
2753
    }
2754
    step = 1;
2755
}
2756

    
2757
static void toggle_audio_display(void)
2758
{
2759
    if (cur_stream) {
2760
        int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2761
        cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
2762
        fill_rectangle(screen,
2763
                    cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2764
                    bgcolor);
2765
        SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
2766
    }
2767
}
2768

    
2769
/* handle an event sent by the GUI */
2770
static void event_loop(void)
2771
{
2772
    SDL_Event event;
2773
    double incr, pos, frac;
2774

    
2775
    for(;;) {
2776
        double x;
2777
        SDL_WaitEvent(&event);
2778
        switch(event.type) {
2779
        case SDL_KEYDOWN:
2780
            if (exit_on_keydown) {
2781
                do_exit();
2782
                break;
2783
            }
2784
            switch(event.key.keysym.sym) {
2785
            case SDLK_ESCAPE:
2786
            case SDLK_q:
2787
                do_exit();
2788
                break;
2789
            case SDLK_f:
2790
                toggle_full_screen();
2791
                break;
2792
            case SDLK_p:
2793
            case SDLK_SPACE:
2794
                toggle_pause();
2795
                break;
2796
            case SDLK_s: //S: Step to next frame
2797
                step_to_next_frame();
2798
                break;
2799
            case SDLK_a:
2800
                if (cur_stream)
2801
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
2802
                break;
2803
            case SDLK_v:
2804
                if (cur_stream)
2805
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
2806
                break;
2807
            case SDLK_t:
2808
                if (cur_stream)
2809
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
2810
                break;
2811
            case SDLK_w:
2812
                toggle_audio_display();
2813
                break;
2814
            case SDLK_LEFT:
2815
                incr = -10.0;
2816
                goto do_seek;
2817
            case SDLK_RIGHT:
2818
                incr = 10.0;
2819
                goto do_seek;
2820
            case SDLK_UP:
2821
                incr = 60.0;
2822
                goto do_seek;
2823
            case SDLK_DOWN:
2824
                incr = -60.0;
2825
            do_seek:
2826
                if (cur_stream) {
2827
                    if (seek_by_bytes) {
2828
                        if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2829
                            pos= cur_stream->video_current_pos;
2830
                        }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2831
                            pos= cur_stream->audio_pkt.pos;
2832
                        }else
2833
                            pos = url_ftell(cur_stream->ic->pb);
2834
                        if (cur_stream->ic->bit_rate)
2835
                            incr *= cur_stream->ic->bit_rate / 8.0;
2836
                        else
2837
                            incr *= 180000.0;
2838
                        pos += incr;
2839
                        stream_seek(cur_stream, pos, incr, 1);
2840
                    } else {
2841
                        pos = get_master_clock(cur_stream);
2842
                        pos += incr;
2843
                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
2844
                    }
2845
                }
2846
                break;
2847
            default:
2848
                break;
2849
            }
2850
            break;
2851
        case SDL_MOUSEBUTTONDOWN:
2852
            if (exit_on_mousedown) {
2853
                do_exit();
2854
                break;
2855
            }
2856
        case SDL_MOUSEMOTION:
2857
            if(event.type ==SDL_MOUSEBUTTONDOWN){
2858
                x= event.button.x;
2859
            }else{
2860
                if(event.motion.state != SDL_PRESSED)
2861
                    break;
2862
                x= event.motion.x;
2863
            }
2864
            if (cur_stream) {
2865
                if(seek_by_bytes || cur_stream->ic->duration<=0){
2866
                    uint64_t size=  url_fsize(cur_stream->ic->pb);
2867
                    stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2868
                }else{
2869
                    int64_t ts;
2870
                    int ns, hh, mm, ss;
2871
                    int tns, thh, tmm, tss;
2872
                    tns = cur_stream->ic->duration/1000000LL;
2873
                    thh = tns/3600;
2874
                    tmm = (tns%3600)/60;
2875
                    tss = (tns%60);
2876
                    frac = x/cur_stream->width;
2877
                    ns = frac*tns;
2878
                    hh = ns/3600;
2879
                    mm = (ns%3600)/60;
2880
                    ss = (ns%60);
2881
                    fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d)       \n", frac*100,
2882
                            hh, mm, ss, thh, tmm, tss);
2883
                    ts = frac*cur_stream->ic->duration;
2884
                    if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2885
                        ts += cur_stream->ic->start_time;
2886
                    stream_seek(cur_stream, ts, 0, 0);
2887
                }
2888
            }
2889
            break;
2890
        case SDL_VIDEORESIZE:
2891
            if (cur_stream) {
2892
                screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
2893
                                          SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
2894
                screen_width = cur_stream->width = event.resize.w;
2895
                screen_height= cur_stream->height= event.resize.h;
2896
            }
2897
            break;
2898
        case SDL_QUIT:
2899
        case FF_QUIT_EVENT:
2900
            do_exit();
2901
            break;
2902
        case FF_ALLOC_EVENT:
2903
            video_open(event.user.data1);
2904
            alloc_picture(event.user.data1);
2905
            break;
2906
        case FF_REFRESH_EVENT:
2907
            video_refresh_timer(event.user.data1);
2908
            cur_stream->refresh=0;
2909
            break;
2910
        default:
2911
            break;
2912
        }
2913
    }
2914
}
2915

    
2916
static void opt_frame_size(const char *arg)
2917
{
2918
    if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2919
        fprintf(stderr, "Incorrect frame size\n");
2920
        exit(1);
2921
    }
2922
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2923
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2924
        exit(1);
2925
    }
2926
}
2927

    
2928
static int opt_width(const char *opt, const char *arg)
2929
{
2930
    screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2931
    return 0;
2932
}
2933

    
2934
static int opt_height(const char *opt, const char *arg)
2935
{
2936
    screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2937
    return 0;
2938
}
2939

    
2940
static void opt_format(const char *arg)
2941
{
2942
    file_iformat = av_find_input_format(arg);
2943
    if (!file_iformat) {
2944
        fprintf(stderr, "Unknown input format: %s\n", arg);
2945
        exit(1);
2946
    }
2947
}
2948

    
2949
static void opt_frame_pix_fmt(const char *arg)
2950
{
2951
    frame_pix_fmt = av_get_pix_fmt(arg);
2952
}
2953

    
2954
static int opt_sync(const char *opt, const char *arg)
2955
{
2956
    if (!strcmp(arg, "audio"))
2957
        av_sync_type = AV_SYNC_AUDIO_MASTER;
2958
    else if (!strcmp(arg, "video"))
2959
        av_sync_type = AV_SYNC_VIDEO_MASTER;
2960
    else if (!strcmp(arg, "ext"))
2961
        av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
2962
    else {
2963
        fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
2964
        exit(1);
2965
    }
2966
    return 0;
2967
}
2968

    
2969
static int opt_seek(const char *opt, const char *arg)
2970
{
2971
    start_time = parse_time_or_die(opt, arg, 1);
2972
    return 0;
2973
}
2974

    
2975
static int opt_duration(const char *opt, const char *arg)
2976
{
2977
    duration = parse_time_or_die(opt, arg, 1);
2978
    return 0;
2979
}
2980

    
2981
static int opt_debug(const char *opt, const char *arg)
2982
{
2983
    av_log_set_level(99);
2984
    debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2985
    return 0;
2986
}
2987

    
2988
static int opt_vismv(const char *opt, const char *arg)
2989
{
2990
    debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2991
    return 0;
2992
}
2993

    
2994
static int opt_thread_count(const char *opt, const char *arg)
2995
{
2996
    thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2997
#if !HAVE_THREADS
2998
    fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2999
#endif
3000
    return 0;
3001
}
3002

    
3003
static const OptionDef options[] = {
3004
#include "cmdutils_common_opts.h"
3005
    { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
3006
    { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
3007
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3008
    { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
3009
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
3010
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
3011
    { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
3012
    { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
3013
    { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
3014
    { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
3015
    { "t", HAS_ARG | OPT_FUNC2, {(void*)&opt_duration}, "play  \"duration\" seconds of audio/video", "duration" },
3016
    { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
3017
    { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
3018
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3019
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3020
    { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
3021
    { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
3022
    { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
3023
    { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
3024
    { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
3025
    { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
3026
    { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
3027
    { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
3028
    { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
3029
    { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
3030
    { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
3031
    { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo",  "algo" },
3032
    { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)",  "threshold" },
3033
    { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options",  "bit_mask" },
3034
    { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
3035
    { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3036
    { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
3037
    { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
3038
    { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
3039
    { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
3040
    { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
3041
    { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
3042
#if CONFIG_AVFILTER
3043
    { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
3044
#endif
3045
    { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
3046
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3047
    { NULL, },
3048
};
3049

    
3050
static void show_usage(void)
3051
{
3052
    printf("Simple media player\n");
3053
    printf("usage: ffplay [options] input_file\n");
3054
    printf("\n");
3055
}
3056

    
3057
static void show_help(void)
3058
{
3059
    av_log_set_callback(log_callback_help);
3060
    show_usage();
3061
    show_help_options(options, "Main options:\n",
3062
                      OPT_EXPERT, 0);
3063
    show_help_options(options, "\nAdvanced options:\n",
3064
                      OPT_EXPERT, OPT_EXPERT);
3065
    printf("\n");
3066
    av_opt_show2(avcodec_opts[0], NULL,
3067
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3068
    printf("\n");
3069
    av_opt_show2(avformat_opts, NULL,
3070
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3071
#if !CONFIG_AVFILTER
3072
    printf("\n");
3073
    av_opt_show2(sws_opts, NULL,
3074
                 AV_OPT_FLAG_ENCODING_PARAM, 0);
3075
#endif
3076
    printf("\nWhile playing:\n"
3077
           "q, ESC              quit\n"
3078
           "f                   toggle full screen\n"
3079
           "p, SPC              pause\n"
3080
           "a                   cycle audio channel\n"
3081
           "v                   cycle video channel\n"
3082
           "t                   cycle subtitle channel\n"
3083
           "w                   show audio waves\n"
3084
           "s                   activate frame-step mode\n"
3085
           "left/right          seek backward/forward 10 seconds\n"
3086
           "down/up             seek backward/forward 1 minute\n"
3087
           "mouse click         seek to percentage in file corresponding to fraction of width\n"
3088
           );
3089
}
3090

    
3091
static void opt_input_file(const char *filename)
3092
{
3093
    if (input_filename) {
3094
        fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3095
                filename, input_filename);
3096
        exit(1);
3097
    }
3098
    if (!strcmp(filename, "-"))
3099
        filename = "pipe:";
3100
    input_filename = filename;
3101
}
3102

    
3103
/* Called from the main */
3104
int main(int argc, char **argv)
3105
{
3106
    int flags;
3107

    
3108
    av_log_set_flags(AV_LOG_SKIP_REPEATED);
3109

    
3110
    /* register all codecs, demux and protocols */
3111
    avcodec_register_all();
3112
#if CONFIG_AVDEVICE
3113
    avdevice_register_all();
3114
#endif
3115
#if CONFIG_AVFILTER
3116
    avfilter_register_all();
3117
#endif
3118
    av_register_all();
3119

    
3120
    init_opts();
3121

    
3122
    show_banner();
3123

    
3124
    parse_options(argc, argv, options, opt_input_file);
3125

    
3126
    if (!input_filename) {
3127
        show_usage();
3128
        fprintf(stderr, "An input file must be specified\n");
3129
        fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
3130
        exit(1);
3131
    }
3132

    
3133
    if (display_disable) {
3134
        video_disable = 1;
3135
    }
3136
    flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
3137
#if !defined(__MINGW32__) && !defined(__APPLE__)
3138
    flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
3139
#endif
3140
    if (SDL_Init (flags)) {
3141
        fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
3142
        exit(1);
3143
    }
3144

    
3145
    if (!display_disable) {
3146
#if HAVE_SDL_VIDEO_SIZE
3147
        const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3148
        fs_screen_width = vi->current_w;
3149
        fs_screen_height = vi->current_h;
3150
#endif
3151
    }
3152

    
3153
    SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
3154
    SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3155
    SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3156

    
3157
    av_init_packet(&flush_pkt);
3158
    flush_pkt.data= "FLUSH";
3159

    
3160
    cur_stream = stream_open(input_filename, file_iformat);
3161

    
3162
    event_loop();
3163

    
3164
    /* never returns */
3165

    
3166
    return 0;
3167
}