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ffmpeg / ffplay.c @ 175714c0

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1
/*
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 * ffplay : Simple Media Player based on the FFmpeg libraries
3
 * Copyright (c) 2003 Fabrice Bellard
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 *
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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>
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#include <math.h>
27
#include <limits.h>
28
#include "libavutil/avstring.h"
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#include "libavutil/colorspace.h"
30
#include "libavutil/pixdesc.h"
31
#include "libavutil/imgutils.h"
32
#include "libavutil/parseutils.h"
33
#include "libavutil/samplefmt.h"
34
#include "libavutil/avassert.h"
35
#include "libavformat/avformat.h"
36
#include "libavdevice/avdevice.h"
37
#include "libswscale/swscale.h"
38
#include "libavcodec/audioconvert.h"
39
#include "libavutil/opt.h"
40
#include "libavcodec/avfft.h"
41

    
42
#if CONFIG_AVFILTER
43
# include "libavfilter/avfilter.h"
44
# include "libavfilter/avfiltergraph.h"
45
#endif
46

    
47
#include "cmdutils.h"
48

    
49
#include <SDL.h>
50
#include <SDL_thread.h>
51

    
52
#ifdef __MINGW32__
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#undef main /* We don't want SDL to override our main() */
54
#endif
55

    
56
#include <unistd.h>
57
#include <assert.h>
58

    
59
const char program_name[] = "ffplay";
60
const int program_birth_year = 2003;
61

    
62
//#define DEBUG
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//#define DEBUG_SYNC
64

    
65
#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
66
#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
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#define MIN_FRAMES 5
68

    
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/* SDL audio buffer size, in samples. Should be small to have precise
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   A/V sync as SDL does not have hardware buffer fullness info. */
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#define SDL_AUDIO_BUFFER_SIZE 1024
72

    
73
/* 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
77

    
78
#define FRAME_SKIP_FACTOR 0.05
79

    
80
/* maximum audio speed change to get correct sync */
81
#define SAMPLE_CORRECTION_PERCENT_MAX 10
82

    
83
/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
84
#define AUDIO_DIFF_AVG_NB   20
85

    
86
/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
87
#define SAMPLE_ARRAY_SIZE (2*65536)
88

    
89
static int sws_flags = SWS_BICUBIC;
90

    
91
typedef struct PacketQueue {
92
    AVPacketList *first_pkt, *last_pkt;
93
    int nb_packets;
94
    int size;
95
    int abort_request;
96
    SDL_mutex *mutex;
97
    SDL_cond *cond;
98
} PacketQueue;
99

    
100
#define VIDEO_PICTURE_QUEUE_SIZE 2
101
#define SUBPICTURE_QUEUE_SIZE 4
102

    
103
typedef struct VideoPicture {
104
    double pts;                                  ///<presentation time stamp for this picture
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    double target_clock;                         ///<av_gettime() time at which this should be displayed ideally
106
    int64_t pos;                                 ///<byte position in file
107
    SDL_Overlay *bmp;
108
    int width, height; /* source height & width */
109
    int allocated;
110
    enum PixelFormat pix_fmt;
111

    
112
#if CONFIG_AVFILTER
113
    AVFilterBufferRef *picref;
114
#endif
115
} VideoPicture;
116

    
117
typedef struct SubPicture {
118
    double pts; /* presentation time stamp for this picture */
119
    AVSubtitle sub;
120
} SubPicture;
121

    
122
enum {
123
    AV_SYNC_AUDIO_MASTER, /* default choice */
124
    AV_SYNC_VIDEO_MASTER,
125
    AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
126
};
127

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

    
144
    int audio_stream;
145

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

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

    
170
    enum ShowMode {
171
        SHOW_MODE_NONE = -1, SHOW_MODE_VIDEO = 0, SHOW_MODE_WAVES, SHOW_MODE_RDFT, SHOW_MODE_NB
172
    } show_mode;
173
    int16_t sample_array[SAMPLE_ARRAY_SIZE];
174
    int sample_array_index;
175
    int last_i_start;
176
    RDFTContext *rdft;
177
    int rdft_bits;
178
    FFTSample *rdft_data;
179
    int xpos;
180

    
181
    SDL_Thread *subtitle_tid;
182
    int subtitle_stream;
183
    int subtitle_stream_changed;
184
    AVStream *subtitle_st;
185
    PacketQueue subtitleq;
186
    SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
187
    int subpq_size, subpq_rindex, subpq_windex;
188
    SDL_mutex *subpq_mutex;
189
    SDL_cond *subpq_cond;
190

    
191
    double frame_timer;
192
    double frame_last_pts;
193
    double frame_last_delay;
194
    double video_clock;                          ///<pts of last decoded frame / predicted pts of next decoded frame
195
    int video_stream;
196
    AVStream *video_st;
197
    PacketQueue videoq;
198
    double video_current_pts;                    ///<current displayed pts (different from video_clock if frame fifos are used)
199
    double video_current_pts_drift;              ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
200
    int64_t video_current_pos;                   ///<current displayed file pos
201
    VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
202
    int pictq_size, pictq_rindex, pictq_windex;
203
    SDL_mutex *pictq_mutex;
204
    SDL_cond *pictq_cond;
205
#if !CONFIG_AVFILTER
206
    struct SwsContext *img_convert_ctx;
207
#endif
208

    
209
    char filename[1024];
210
    int width, height, xleft, ytop;
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

    
223
/* options specified by the user */
224
static AVInputFormat *file_iformat;
225
static const char *input_filename;
226
static const char *window_title;
227
static int fs_screen_width;
228
static int fs_screen_height;
229
static int screen_width = 0;
230
static int screen_height = 0;
231
static int frame_width = 0;
232
static int frame_height = 0;
233
static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
234
static int audio_disable;
235
static int video_disable;
236
static int wanted_stream[AVMEDIA_TYPE_NB]={
237
    [AVMEDIA_TYPE_AUDIO]=-1,
238
    [AVMEDIA_TYPE_VIDEO]=-1,
239
    [AVMEDIA_TYPE_SUBTITLE]=-1,
240
};
241
static int seek_by_bytes=-1;
242
static int display_disable;
243
static int show_status = 1;
244
static int av_sync_type = AV_SYNC_AUDIO_MASTER;
245
static int64_t start_time = AV_NOPTS_VALUE;
246
static int64_t duration = AV_NOPTS_VALUE;
247
static int debug = 0;
248
static int debug_mv = 0;
249
static int step = 0;
250
static int thread_count = 1;
251
static int workaround_bugs = 1;
252
static int fast = 0;
253
static int genpts = 0;
254
static int lowres = 0;
255
static int idct = FF_IDCT_AUTO;
256
static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
257
static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
258
static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
259
static int error_recognition = FF_ER_CAREFUL;
260
static int error_concealment = 3;
261
static int decoder_reorder_pts= -1;
262
static int autoexit;
263
static int exit_on_keydown;
264
static int exit_on_mousedown;
265
static int loop=1;
266
static int framedrop=1;
267
static enum ShowMode show_mode = SHOW_MODE_NONE;
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
    AVPacketList *pkt1;
290

    
291
    /* duplicate the packet */
292
    if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
293
        return -1;
294

    
295
    pkt1 = av_malloc(sizeof(AVPacketList));
296
    if (!pkt1)
297
        return -1;
298
    pkt1->pkt = *pkt;
299
    pkt1->next = NULL;
300

    
301

    
302
    SDL_LockMutex(q->mutex);
303

    
304
    if (!q->last_pkt)
305

    
306
        q->first_pkt = pkt1;
307
    else
308
        q->last_pkt->next = pkt1;
309
    q->last_pkt = pkt1;
310
    q->nb_packets++;
311
    q->size += pkt1->pkt.size + sizeof(*pkt1);
312
    /* XXX: should duplicate packet data in DV case */
313
    SDL_CondSignal(q->cond);
314

    
315
    SDL_UnlockMutex(q->mutex);
316
    return 0;
317
}
318

    
319
/* packet queue handling */
320
static void packet_queue_init(PacketQueue *q)
321
{
322
    memset(q, 0, sizeof(PacketQueue));
323
    q->mutex = SDL_CreateMutex();
324
    q->cond = SDL_CreateCond();
325
    packet_queue_put(q, &flush_pkt);
326
}
327

    
328
static void packet_queue_flush(PacketQueue *q)
329
{
330
    AVPacketList *pkt, *pkt1;
331

    
332
    SDL_LockMutex(q->mutex);
333
    for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
334
        pkt1 = pkt->next;
335
        av_free_packet(&pkt->pkt);
336
        av_freep(&pkt);
337
    }
338
    q->last_pkt = NULL;
339
    q->first_pkt = NULL;
340
    q->nb_packets = 0;
341
    q->size = 0;
342
    SDL_UnlockMutex(q->mutex);
343
}
344

    
345
static void packet_queue_end(PacketQueue *q)
346
{
347
    packet_queue_flush(q);
348
    SDL_DestroyMutex(q->mutex);
349
    SDL_DestroyCond(q->cond);
350
}
351

    
352
static void packet_queue_abort(PacketQueue *q)
353
{
354
    SDL_LockMutex(q->mutex);
355

    
356
    q->abort_request = 1;
357

    
358
    SDL_CondSignal(q->cond);
359

    
360
    SDL_UnlockMutex(q->mutex);
361
}
362

    
363
/* return < 0 if aborted, 0 if no packet and > 0 if packet.  */
364
static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
365
{
366
    AVPacketList *pkt1;
367
    int ret;
368

    
369
    SDL_LockMutex(q->mutex);
370

    
371
    for(;;) {
372
        if (q->abort_request) {
373
            ret = -1;
374
            break;
375
        }
376

    
377
        pkt1 = q->first_pkt;
378
        if (pkt1) {
379
            q->first_pkt = pkt1->next;
380
            if (!q->first_pkt)
381
                q->last_pkt = NULL;
382
            q->nb_packets--;
383
            q->size -= pkt1->pkt.size + sizeof(*pkt1);
384
            *pkt = pkt1->pkt;
385
            av_free(pkt1);
386
            ret = 1;
387
            break;
388
        } else if (!block) {
389
            ret = 0;
390
            break;
391
        } else {
392
            SDL_CondWait(q->cond, q->mutex);
393
        }
394
    }
395
    SDL_UnlockMutex(q->mutex);
396
    return ret;
397
}
398

    
399
static inline void fill_rectangle(SDL_Surface *screen,
400
                                  int x, int y, int w, int h, int color)
401
{
402
    SDL_Rect rect;
403
    rect.x = x;
404
    rect.y = y;
405
    rect.w = w;
406
    rect.h = h;
407
    SDL_FillRect(screen, &rect, color);
408
}
409

    
410
#if 0
411
/* draw only the border of a rectangle */
412
void fill_border(VideoState *s, int x, int y, int w, int h, int color)
413
{
414
    int w1, w2, h1, h2;
415

416
    /* fill the background */
417
    w1 = x;
418
    if (w1 < 0)
419
        w1 = 0;
420
    w2 = s->width - (x + w);
421
    if (w2 < 0)
422
        w2 = 0;
423
    h1 = y;
424
    if (h1 < 0)
425
        h1 = 0;
426
    h2 = s->height - (y + h);
427
    if (h2 < 0)
428
        h2 = 0;
429
    fill_rectangle(screen,
430
                   s->xleft, s->ytop,
431
                   w1, s->height,
432
                   color);
433
    fill_rectangle(screen,
434
                   s->xleft + s->width - w2, s->ytop,
435
                   w2, s->height,
436
                   color);
437
    fill_rectangle(screen,
438
                   s->xleft + w1, s->ytop,
439
                   s->width - w1 - w2, h1,
440
                   color);
441
    fill_rectangle(screen,
442
                   s->xleft + w1, s->ytop + s->height - h2,
443
                   s->width - w1 - w2, h2,
444
                   color);
445
}
446
#endif
447

    
448
#define ALPHA_BLEND(a, oldp, newp, s)\
449
((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
450

    
451
#define RGBA_IN(r, g, b, a, s)\
452
{\
453
    unsigned int v = ((const uint32_t *)(s))[0];\
454
    a = (v >> 24) & 0xff;\
455
    r = (v >> 16) & 0xff;\
456
    g = (v >> 8) & 0xff;\
457
    b = v & 0xff;\
458
}
459

    
460
#define YUVA_IN(y, u, v, a, s, pal)\
461
{\
462
    unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
463
    a = (val >> 24) & 0xff;\
464
    y = (val >> 16) & 0xff;\
465
    u = (val >> 8) & 0xff;\
466
    v = val & 0xff;\
467
}
468

    
469
#define YUVA_OUT(d, y, u, v, a)\
470
{\
471
    ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
472
}
473

    
474

    
475
#define BPP 1
476

    
477
static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
478
{
479
    int wrap, wrap3, width2, skip2;
480
    int y, u, v, a, u1, v1, a1, w, h;
481
    uint8_t *lum, *cb, *cr;
482
    const uint8_t *p;
483
    const uint32_t *pal;
484
    int dstx, dsty, dstw, dsth;
485

    
486
    dstw = av_clip(rect->w, 0, imgw);
487
    dsth = av_clip(rect->h, 0, imgh);
488
    dstx = av_clip(rect->x, 0, imgw - dstw);
489
    dsty = av_clip(rect->y, 0, imgh - dsth);
490
    lum = dst->data[0] + dsty * dst->linesize[0];
491
    cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
492
    cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
493

    
494
    width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
495
    skip2 = dstx >> 1;
496
    wrap = dst->linesize[0];
497
    wrap3 = rect->pict.linesize[0];
498
    p = rect->pict.data[0];
499
    pal = (const uint32_t *)rect->pict.data[1];  /* Now in YCrCb! */
500

    
501
    if (dsty & 1) {
502
        lum += dstx;
503
        cb += skip2;
504
        cr += skip2;
505

    
506
        if (dstx & 1) {
507
            YUVA_IN(y, u, v, a, p, pal);
508
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
509
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
510
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
511
            cb++;
512
            cr++;
513
            lum++;
514
            p += BPP;
515
        }
516
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
517
            YUVA_IN(y, u, v, a, p, pal);
518
            u1 = u;
519
            v1 = v;
520
            a1 = a;
521
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
522

    
523
            YUVA_IN(y, u, v, a, p + BPP, pal);
524
            u1 += u;
525
            v1 += v;
526
            a1 += a;
527
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
528
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
529
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
530
            cb++;
531
            cr++;
532
            p += 2 * BPP;
533
            lum += 2;
534
        }
535
        if (w) {
536
            YUVA_IN(y, u, v, a, p, pal);
537
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
538
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
539
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
540
            p++;
541
            lum++;
542
        }
543
        p += wrap3 - dstw * BPP;
544
        lum += wrap - dstw - dstx;
545
        cb += dst->linesize[1] - width2 - skip2;
546
        cr += dst->linesize[2] - width2 - skip2;
547
    }
548
    for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
549
        lum += dstx;
550
        cb += skip2;
551
        cr += skip2;
552

    
553
        if (dstx & 1) {
554
            YUVA_IN(y, u, v, a, p, pal);
555
            u1 = u;
556
            v1 = v;
557
            a1 = a;
558
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
559
            p += wrap3;
560
            lum += wrap;
561
            YUVA_IN(y, u, v, a, p, pal);
562
            u1 += u;
563
            v1 += v;
564
            a1 += a;
565
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
566
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
567
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
568
            cb++;
569
            cr++;
570
            p += -wrap3 + BPP;
571
            lum += -wrap + 1;
572
        }
573
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
574
            YUVA_IN(y, u, v, a, p, pal);
575
            u1 = u;
576
            v1 = v;
577
            a1 = a;
578
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
579

    
580
            YUVA_IN(y, u, v, a, p + BPP, pal);
581
            u1 += u;
582
            v1 += v;
583
            a1 += a;
584
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
585
            p += wrap3;
586
            lum += wrap;
587

    
588
            YUVA_IN(y, u, v, a, p, pal);
589
            u1 += u;
590
            v1 += v;
591
            a1 += a;
592
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
593

    
594
            YUVA_IN(y, u, v, a, p + BPP, pal);
595
            u1 += u;
596
            v1 += v;
597
            a1 += a;
598
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
599

    
600
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
601
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
602

    
603
            cb++;
604
            cr++;
605
            p += -wrap3 + 2 * BPP;
606
            lum += -wrap + 2;
607
        }
608
        if (w) {
609
            YUVA_IN(y, u, v, a, p, pal);
610
            u1 = u;
611
            v1 = v;
612
            a1 = a;
613
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
614
            p += wrap3;
615
            lum += wrap;
616
            YUVA_IN(y, u, v, a, p, pal);
617
            u1 += u;
618
            v1 += v;
619
            a1 += a;
620
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
621
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
622
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
623
            cb++;
624
            cr++;
625
            p += -wrap3 + BPP;
626
            lum += -wrap + 1;
627
        }
628
        p += wrap3 + (wrap3 - dstw * BPP);
629
        lum += wrap + (wrap - dstw - dstx);
630
        cb += dst->linesize[1] - width2 - skip2;
631
        cr += dst->linesize[2] - width2 - skip2;
632
    }
633
    /* handle odd height */
634
    if (h) {
635
        lum += dstx;
636
        cb += skip2;
637
        cr += skip2;
638

    
639
        if (dstx & 1) {
640
            YUVA_IN(y, u, v, a, p, pal);
641
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
642
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
643
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
644
            cb++;
645
            cr++;
646
            lum++;
647
            p += BPP;
648
        }
649
        for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
650
            YUVA_IN(y, u, v, a, p, pal);
651
            u1 = u;
652
            v1 = v;
653
            a1 = a;
654
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
655

    
656
            YUVA_IN(y, u, v, a, p + BPP, pal);
657
            u1 += u;
658
            v1 += v;
659
            a1 += a;
660
            lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
661
            cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
662
            cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
663
            cb++;
664
            cr++;
665
            p += 2 * BPP;
666
            lum += 2;
667
        }
668
        if (w) {
669
            YUVA_IN(y, u, v, a, p, pal);
670
            lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
671
            cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
672
            cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
673
        }
674
    }
675
}
676

    
677
static void free_subpicture(SubPicture *sp)
678
{
679
    avsubtitle_free(&sp->sub);
680
}
681

    
682
static void video_image_display(VideoState *is)
683
{
684
    VideoPicture *vp;
685
    SubPicture *sp;
686
    AVPicture pict;
687
    float aspect_ratio;
688
    int width, height, x, y;
689
    SDL_Rect rect;
690
    int i;
691

    
692
    vp = &is->pictq[is->pictq_rindex];
693
    if (vp->bmp) {
694
#if CONFIG_AVFILTER
695
         if (vp->picref->video->sample_aspect_ratio.num == 0)
696
             aspect_ratio = 0;
697
         else
698
             aspect_ratio = av_q2d(vp->picref->video->sample_aspect_ratio);
699
#else
700

    
701
        /* XXX: use variable in the frame */
702
        if (is->video_st->sample_aspect_ratio.num)
703
            aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
704
        else if (is->video_st->codec->sample_aspect_ratio.num)
705
            aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
706
        else
707
            aspect_ratio = 0;
708
#endif
709
        if (aspect_ratio <= 0.0)
710
            aspect_ratio = 1.0;
711
        aspect_ratio *= (float)vp->width / (float)vp->height;
712

    
713
        if (is->subtitle_st) {
714
            if (is->subpq_size > 0) {
715
                sp = &is->subpq[is->subpq_rindex];
716

    
717
                if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000)) {
718
                    SDL_LockYUVOverlay (vp->bmp);
719

    
720
                    pict.data[0] = vp->bmp->pixels[0];
721
                    pict.data[1] = vp->bmp->pixels[2];
722
                    pict.data[2] = vp->bmp->pixels[1];
723

    
724
                    pict.linesize[0] = vp->bmp->pitches[0];
725
                    pict.linesize[1] = vp->bmp->pitches[2];
726
                    pict.linesize[2] = vp->bmp->pitches[1];
727

    
728
                    for (i = 0; i < sp->sub.num_rects; i++)
729
                        blend_subrect(&pict, sp->sub.rects[i],
730
                                      vp->bmp->w, vp->bmp->h);
731

    
732
                    SDL_UnlockYUVOverlay (vp->bmp);
733
                }
734
            }
735
        }
736

    
737

    
738
        /* XXX: we suppose the screen has a 1.0 pixel ratio */
739
        height = is->height;
740
        width = ((int)rint(height * aspect_ratio)) & ~1;
741
        if (width > is->width) {
742
            width = is->width;
743
            height = ((int)rint(width / aspect_ratio)) & ~1;
744
        }
745
        x = (is->width - width) / 2;
746
        y = (is->height - height) / 2;
747
        if (!is->no_background) {
748
            /* fill the background */
749
            //            fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
750
        } else {
751
            is->no_background = 0;
752
        }
753
        rect.x = is->xleft + x;
754
        rect.y = is->ytop  + y;
755
        rect.w = FFMAX(width,  1);
756
        rect.h = FFMAX(height, 1);
757
        SDL_DisplayYUVOverlay(vp->bmp, &rect);
758
    } else {
759
#if 0
760
        fill_rectangle(screen,
761
                       is->xleft, is->ytop, is->width, is->height,
762
                       QERGB(0x00, 0x00, 0x00));
763
#endif
764
    }
765
}
766

    
767
/* get the current audio output buffer size, in samples. With SDL, we
768
   cannot have a precise information */
769
static int audio_write_get_buf_size(VideoState *is)
770
{
771
    return is->audio_buf_size - is->audio_buf_index;
772
}
773

    
774
static inline int compute_mod(int a, int b)
775
{
776
    return a < 0 ? a%b + b : a%b;
777
}
778

    
779
static void video_audio_display(VideoState *s)
780
{
781
    int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
782
    int ch, channels, h, h2, bgcolor, fgcolor;
783
    int16_t time_diff;
784
    int rdft_bits, nb_freq;
785

    
786
    for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
787
        ;
788
    nb_freq= 1<<(rdft_bits-1);
789

    
790
    /* compute display index : center on currently output samples */
791
    channels = s->audio_st->codec->channels;
792
    nb_display_channels = channels;
793
    if (!s->paused) {
794
        int data_used= s->show_mode == SHOW_MODE_WAVES ? s->width : (2*nb_freq);
795
        n = 2 * channels;
796
        delay = audio_write_get_buf_size(s);
797
        delay /= n;
798

    
799
        /* to be more precise, we take into account the time spent since
800
           the last buffer computation */
801
        if (audio_callback_time) {
802
            time_diff = av_gettime() - audio_callback_time;
803
            delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
804
        }
805

    
806
        delay += 2*data_used;
807
        if (delay < data_used)
808
            delay = data_used;
809

    
810
        i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
811
        if (s->show_mode == SHOW_MODE_WAVES) {
812
            h= INT_MIN;
813
            for(i=0; i<1000; i+=channels){
814
                int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
815
                int a= s->sample_array[idx];
816
                int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
817
                int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
818
                int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
819
                int score= a-d;
820
                if(h<score && (b^c)<0){
821
                    h= score;
822
                    i_start= idx;
823
                }
824
            }
825
        }
826

    
827
        s->last_i_start = i_start;
828
    } else {
829
        i_start = s->last_i_start;
830
    }
831

    
832
    bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
833
    if (s->show_mode == SHOW_MODE_WAVES) {
834
        fill_rectangle(screen,
835
                       s->xleft, s->ytop, s->width, s->height,
836
                       bgcolor);
837

    
838
        fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
839

    
840
        /* total height for one channel */
841
        h = s->height / nb_display_channels;
842
        /* graph height / 2 */
843
        h2 = (h * 9) / 20;
844
        for(ch = 0;ch < nb_display_channels; ch++) {
845
            i = i_start + ch;
846
            y1 = s->ytop + ch * h + (h / 2); /* position of center line */
847
            for(x = 0; x < s->width; x++) {
848
                y = (s->sample_array[i] * h2) >> 15;
849
                if (y < 0) {
850
                    y = -y;
851
                    ys = y1 - y;
852
                } else {
853
                    ys = y1;
854
                }
855
                fill_rectangle(screen,
856
                               s->xleft + x, ys, 1, y,
857
                               fgcolor);
858
                i += channels;
859
                if (i >= SAMPLE_ARRAY_SIZE)
860
                    i -= SAMPLE_ARRAY_SIZE;
861
            }
862
        }
863

    
864
        fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
865

    
866
        for(ch = 1;ch < nb_display_channels; ch++) {
867
            y = s->ytop + ch * h;
868
            fill_rectangle(screen,
869
                           s->xleft, y, s->width, 1,
870
                           fgcolor);
871
        }
872
        SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
873
    }else{
874
        nb_display_channels= FFMIN(nb_display_channels, 2);
875
        if(rdft_bits != s->rdft_bits){
876
            av_rdft_end(s->rdft);
877
            av_free(s->rdft_data);
878
            s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
879
            s->rdft_bits= rdft_bits;
880
            s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));
881
        }
882
        {
883
            FFTSample *data[2];
884
            for(ch = 0;ch < nb_display_channels; ch++) {
885
                data[ch] = s->rdft_data + 2*nb_freq*ch;
886
                i = i_start + ch;
887
                for(x = 0; x < 2*nb_freq; x++) {
888
                    double w= (x-nb_freq)*(1.0/nb_freq);
889
                    data[ch][x]= s->sample_array[i]*(1.0-w*w);
890
                    i += channels;
891
                    if (i >= SAMPLE_ARRAY_SIZE)
892
                        i -= SAMPLE_ARRAY_SIZE;
893
                }
894
                av_rdft_calc(s->rdft, data[ch]);
895
            }
896
            //least efficient way to do this, we should of course directly access it but its more than fast enough
897
            for(y=0; y<s->height; y++){
898
                double w= 1/sqrt(nb_freq);
899
                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]));
900
                int b= (nb_display_channels == 2 ) ? sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0]
901
                       + data[1][2*y+1]*data[1][2*y+1])) : a;
902
                a= FFMIN(a,255);
903
                b= FFMIN(b,255);
904
                fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
905

    
906
                fill_rectangle(screen,
907
                            s->xpos, s->height-y, 1, 1,
908
                            fgcolor);
909
            }
910
        }
911
        SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
912
        s->xpos++;
913
        if(s->xpos >= s->width)
914
            s->xpos= s->xleft;
915
    }
916
}
917

    
918
static int video_open(VideoState *is){
919
    int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
920
    int w,h;
921

    
922
    if(is_full_screen) flags |= SDL_FULLSCREEN;
923
    else               flags |= SDL_RESIZABLE;
924

    
925
    if (is_full_screen && fs_screen_width) {
926
        w = fs_screen_width;
927
        h = fs_screen_height;
928
    } else if(!is_full_screen && screen_width){
929
        w = screen_width;
930
        h = screen_height;
931
#if CONFIG_AVFILTER
932
    }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
933
        w = is->out_video_filter->inputs[0]->w;
934
        h = is->out_video_filter->inputs[0]->h;
935
#else
936
    }else if (is->video_st && is->video_st->codec->width){
937
        w = is->video_st->codec->width;
938
        h = is->video_st->codec->height;
939
#endif
940
    } else {
941
        w = 640;
942
        h = 480;
943
    }
944
    if(screen && is->width == screen->w && screen->w == w
945
       && is->height== screen->h && screen->h == h)
946
        return 0;
947

    
948
#ifndef __APPLE__
949
    screen = SDL_SetVideoMode(w, h, 0, flags);
950
#else
951
    /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
952
    screen = SDL_SetVideoMode(w, h, 24, flags);
953
#endif
954
    if (!screen) {
955
        fprintf(stderr, "SDL: could not set video mode - exiting\n");
956
        return -1;
957
    }
958
    if (!window_title)
959
        window_title = input_filename;
960
    SDL_WM_SetCaption(window_title, window_title);
961

    
962
    is->width = screen->w;
963
    is->height = screen->h;
964

    
965
    return 0;
966
}
967

    
968
/* display the current picture, if any */
969
static void video_display(VideoState *is)
970
{
971
    if(!screen)
972
        video_open(cur_stream);
973
    if (is->audio_st && is->show_mode != SHOW_MODE_VIDEO)
974
        video_audio_display(is);
975
    else if (is->video_st)
976
        video_image_display(is);
977
}
978

    
979
static int refresh_thread(void *opaque)
980
{
981
    VideoState *is= opaque;
982
    while(!is->abort_request){
983
        SDL_Event event;
984
        event.type = FF_REFRESH_EVENT;
985
        event.user.data1 = opaque;
986
        if(!is->refresh){
987
            is->refresh=1;
988
            SDL_PushEvent(&event);
989
        }
990
        //FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
991
        usleep(is->audio_st && is->show_mode != SHOW_MODE_VIDEO ? rdftspeed*1000 : 5000);
992
    }
993
    return 0;
994
}
995

    
996
/* get the current audio clock value */
997
static double get_audio_clock(VideoState *is)
998
{
999
    double pts;
1000
    int hw_buf_size, bytes_per_sec;
1001
    pts = is->audio_clock;
1002
    hw_buf_size = audio_write_get_buf_size(is);
1003
    bytes_per_sec = 0;
1004
    if (is->audio_st) {
1005
        bytes_per_sec = is->audio_st->codec->sample_rate *
1006
            2 * is->audio_st->codec->channels;
1007
    }
1008
    if (bytes_per_sec)
1009
        pts -= (double)hw_buf_size / bytes_per_sec;
1010
    return pts;
1011
}
1012

    
1013
/* get the current video clock value */
1014
static double get_video_clock(VideoState *is)
1015
{
1016
    if (is->paused) {
1017
        return is->video_current_pts;
1018
    } else {
1019
        return is->video_current_pts_drift + av_gettime() / 1000000.0;
1020
    }
1021
}
1022

    
1023
/* get the current external clock value */
1024
static double get_external_clock(VideoState *is)
1025
{
1026
    int64_t ti;
1027
    ti = av_gettime();
1028
    return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
1029
}
1030

    
1031
/* get the current master clock value */
1032
static double get_master_clock(VideoState *is)
1033
{
1034
    double val;
1035

    
1036
    if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
1037
        if (is->video_st)
1038
            val = get_video_clock(is);
1039
        else
1040
            val = get_audio_clock(is);
1041
    } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
1042
        if (is->audio_st)
1043
            val = get_audio_clock(is);
1044
        else
1045
            val = get_video_clock(is);
1046
    } else {
1047
        val = get_external_clock(is);
1048
    }
1049
    return val;
1050
}
1051

    
1052
/* seek in the stream */
1053
static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
1054
{
1055
    if (!is->seek_req) {
1056
        is->seek_pos = pos;
1057
        is->seek_rel = rel;
1058
        is->seek_flags &= ~AVSEEK_FLAG_BYTE;
1059
        if (seek_by_bytes)
1060
            is->seek_flags |= AVSEEK_FLAG_BYTE;
1061
        is->seek_req = 1;
1062
    }
1063
}
1064

    
1065
/* pause or resume the video */
1066
static void stream_toggle_pause(VideoState *is)
1067
{
1068
    if (is->paused) {
1069
        is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
1070
        if(is->read_pause_return != AVERROR(ENOSYS)){
1071
            is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
1072
        }
1073
        is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
1074
    }
1075
    is->paused = !is->paused;
1076
}
1077

    
1078
static double compute_target_time(double frame_current_pts, VideoState *is)
1079
{
1080
    double delay, sync_threshold, diff;
1081

    
1082
    /* compute nominal delay */
1083
    delay = frame_current_pts - is->frame_last_pts;
1084
    if (delay <= 0 || delay >= 10.0) {
1085
        /* if incorrect delay, use previous one */
1086
        delay = is->frame_last_delay;
1087
    } else {
1088
        is->frame_last_delay = delay;
1089
    }
1090
    is->frame_last_pts = frame_current_pts;
1091

    
1092
    /* update delay to follow master synchronisation source */
1093
    if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1094
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1095
        /* if video is slave, we try to correct big delays by
1096
           duplicating or deleting a frame */
1097
        diff = get_video_clock(is) - get_master_clock(is);
1098

    
1099
        /* skip or repeat frame. We take into account the
1100
           delay to compute the threshold. I still don't know
1101
           if it is the best guess */
1102
        sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
1103
        if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1104
            if (diff <= -sync_threshold)
1105
                delay = 0;
1106
            else if (diff >= sync_threshold)
1107
                delay = 2 * delay;
1108
        }
1109
    }
1110
    is->frame_timer += delay;
1111
#if defined(DEBUG_SYNC)
1112
    printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1113
            delay, actual_delay, frame_current_pts, -diff);
1114
#endif
1115

    
1116
    return is->frame_timer;
1117
}
1118

    
1119
/* called to display each frame */
1120
static void video_refresh(void *opaque)
1121
{
1122
    VideoState *is = opaque;
1123
    VideoPicture *vp;
1124

    
1125
    SubPicture *sp, *sp2;
1126

    
1127
    if (is->video_st) {
1128
retry:
1129
        if (is->pictq_size == 0) {
1130
            //nothing to do, no picture to display in the que
1131
        } else {
1132
            double time= av_gettime()/1000000.0;
1133
            double next_target;
1134
            /* dequeue the picture */
1135
            vp = &is->pictq[is->pictq_rindex];
1136

    
1137
            if(time < vp->target_clock)
1138
                return;
1139
            /* update current video pts */
1140
            is->video_current_pts = vp->pts;
1141
            is->video_current_pts_drift = is->video_current_pts - time;
1142
            is->video_current_pos = vp->pos;
1143
            if(is->pictq_size > 1){
1144
                VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
1145
                assert(nextvp->target_clock >= vp->target_clock);
1146
                next_target= nextvp->target_clock;
1147
            }else{
1148
                next_target= vp->target_clock + is->video_clock - vp->pts; //FIXME pass durations cleanly
1149
            }
1150
            if(framedrop && time > next_target){
1151
                is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR;
1152
                if(is->pictq_size > 1 || time > next_target + 0.5){
1153
                    /* update queue size and signal for next picture */
1154
                    if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1155
                        is->pictq_rindex = 0;
1156

    
1157
                    SDL_LockMutex(is->pictq_mutex);
1158
                    is->pictq_size--;
1159
                    SDL_CondSignal(is->pictq_cond);
1160
                    SDL_UnlockMutex(is->pictq_mutex);
1161
                    goto retry;
1162
                }
1163
            }
1164

    
1165
            if(is->subtitle_st) {
1166
                if (is->subtitle_stream_changed) {
1167
                    SDL_LockMutex(is->subpq_mutex);
1168

    
1169
                    while (is->subpq_size) {
1170
                        free_subpicture(&is->subpq[is->subpq_rindex]);
1171

    
1172
                        /* update queue size and signal for next picture */
1173
                        if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1174
                            is->subpq_rindex = 0;
1175

    
1176
                        is->subpq_size--;
1177
                    }
1178
                    is->subtitle_stream_changed = 0;
1179

    
1180
                    SDL_CondSignal(is->subpq_cond);
1181
                    SDL_UnlockMutex(is->subpq_mutex);
1182
                } else {
1183
                    if (is->subpq_size > 0) {
1184
                        sp = &is->subpq[is->subpq_rindex];
1185

    
1186
                        if (is->subpq_size > 1)
1187
                            sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1188
                        else
1189
                            sp2 = NULL;
1190

    
1191
                        if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1192
                                || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1193
                        {
1194
                            free_subpicture(sp);
1195

    
1196
                            /* update queue size and signal for next picture */
1197
                            if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1198
                                is->subpq_rindex = 0;
1199

    
1200
                            SDL_LockMutex(is->subpq_mutex);
1201
                            is->subpq_size--;
1202
                            SDL_CondSignal(is->subpq_cond);
1203
                            SDL_UnlockMutex(is->subpq_mutex);
1204
                        }
1205
                    }
1206
                }
1207
            }
1208

    
1209
            /* display picture */
1210
            if (!display_disable)
1211
                video_display(is);
1212

    
1213
            /* update queue size and signal for next picture */
1214
            if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1215
                is->pictq_rindex = 0;
1216

    
1217
            SDL_LockMutex(is->pictq_mutex);
1218
            is->pictq_size--;
1219
            SDL_CondSignal(is->pictq_cond);
1220
            SDL_UnlockMutex(is->pictq_mutex);
1221
        }
1222
    } else if (is->audio_st) {
1223
        /* draw the next audio frame */
1224

    
1225
        /* if only audio stream, then display the audio bars (better
1226
           than nothing, just to test the implementation */
1227

    
1228
        /* display picture */
1229
        if (!display_disable)
1230
            video_display(is);
1231
    }
1232
    if (show_status) {
1233
        static int64_t last_time;
1234
        int64_t cur_time;
1235
        int aqsize, vqsize, sqsize;
1236
        double av_diff;
1237

    
1238
        cur_time = av_gettime();
1239
        if (!last_time || (cur_time - last_time) >= 30000) {
1240
            aqsize = 0;
1241
            vqsize = 0;
1242
            sqsize = 0;
1243
            if (is->audio_st)
1244
                aqsize = is->audioq.size;
1245
            if (is->video_st)
1246
                vqsize = is->videoq.size;
1247
            if (is->subtitle_st)
1248
                sqsize = is->subtitleq.size;
1249
            av_diff = 0;
1250
            if (is->audio_st && is->video_st)
1251
                av_diff = get_audio_clock(is) - get_video_clock(is);
1252
            printf("%7.2f A-V:%7.3f s:%3.1f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64"   \r",
1253
                   get_master_clock(is),
1254
                   av_diff,
1255
                   FFMAX(is->skip_frames-1, 0),
1256
                   aqsize / 1024,
1257
                   vqsize / 1024,
1258
                   sqsize,
1259
                   is->video_st ? is->video_st->codec->pts_correction_num_faulty_dts : 0,
1260
                   is->video_st ? is->video_st->codec->pts_correction_num_faulty_pts : 0);
1261
            fflush(stdout);
1262
            last_time = cur_time;
1263
        }
1264
    }
1265
}
1266

    
1267
static void stream_close(VideoState *is)
1268
{
1269
    VideoPicture *vp;
1270
    int i;
1271
    /* XXX: use a special url_shutdown call to abort parse cleanly */
1272
    is->abort_request = 1;
1273
    SDL_WaitThread(is->read_tid, NULL);
1274
    SDL_WaitThread(is->refresh_tid, NULL);
1275

    
1276
    /* free all pictures */
1277
    for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
1278
        vp = &is->pictq[i];
1279
#if CONFIG_AVFILTER
1280
        if (vp->picref) {
1281
            avfilter_unref_buffer(vp->picref);
1282
            vp->picref = NULL;
1283
        }
1284
#endif
1285
        if (vp->bmp) {
1286
            SDL_FreeYUVOverlay(vp->bmp);
1287
            vp->bmp = NULL;
1288
        }
1289
    }
1290
    SDL_DestroyMutex(is->pictq_mutex);
1291
    SDL_DestroyCond(is->pictq_cond);
1292
    SDL_DestroyMutex(is->subpq_mutex);
1293
    SDL_DestroyCond(is->subpq_cond);
1294
#if !CONFIG_AVFILTER
1295
    if (is->img_convert_ctx)
1296
        sws_freeContext(is->img_convert_ctx);
1297
#endif
1298
    av_free(is);
1299
}
1300

    
1301
static void do_exit(void)
1302
{
1303
    if (cur_stream) {
1304
        stream_close(cur_stream);
1305
        cur_stream = NULL;
1306
    }
1307
    uninit_opts();
1308
#if CONFIG_AVFILTER
1309
    avfilter_uninit();
1310
#endif
1311
    if (show_status)
1312
        printf("\n");
1313
    SDL_Quit();
1314
    av_log(NULL, AV_LOG_QUIET, "");
1315
    exit(0);
1316
}
1317

    
1318
/* allocate a picture (needs to do that in main thread to avoid
1319
   potential locking problems */
1320
static void alloc_picture(void *opaque)
1321
{
1322
    VideoState *is = opaque;
1323
    VideoPicture *vp;
1324

    
1325
    vp = &is->pictq[is->pictq_windex];
1326

    
1327
    if (vp->bmp)
1328
        SDL_FreeYUVOverlay(vp->bmp);
1329

    
1330
#if CONFIG_AVFILTER
1331
    if (vp->picref)
1332
        avfilter_unref_buffer(vp->picref);
1333
    vp->picref = NULL;
1334

    
1335
    vp->width   = is->out_video_filter->inputs[0]->w;
1336
    vp->height  = is->out_video_filter->inputs[0]->h;
1337
    vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1338
#else
1339
    vp->width   = is->video_st->codec->width;
1340
    vp->height  = is->video_st->codec->height;
1341
    vp->pix_fmt = is->video_st->codec->pix_fmt;
1342
#endif
1343

    
1344
    vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
1345
                                   SDL_YV12_OVERLAY,
1346
                                   screen);
1347
    if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
1348
        /* SDL allocates a buffer smaller than requested if the video
1349
         * overlay hardware is unable to support the requested size. */
1350
        fprintf(stderr, "Error: the video system does not support an image\n"
1351
                        "size of %dx%d pixels. Try using -lowres or -vf \"scale=w:h\"\n"
1352
                        "to reduce the image size.\n", vp->width, vp->height );
1353
        do_exit();
1354
    }
1355

    
1356
    SDL_LockMutex(is->pictq_mutex);
1357
    vp->allocated = 1;
1358
    SDL_CondSignal(is->pictq_cond);
1359
    SDL_UnlockMutex(is->pictq_mutex);
1360
}
1361

    
1362
static int queue_picture(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
1363
{
1364
    VideoPicture *vp;
1365
    double frame_delay, pts = pts1;
1366

    
1367
    /* compute the exact PTS for the picture if it is omitted in the stream
1368
     * pts1 is the dts of the pkt / pts of the frame */
1369
    if (pts != 0) {
1370
        /* update video clock with pts, if present */
1371
        is->video_clock = pts;
1372
    } else {
1373
        pts = is->video_clock;
1374
    }
1375
    /* update video clock for next frame */
1376
    frame_delay = av_q2d(is->video_st->codec->time_base);
1377
    /* for MPEG2, the frame can be repeated, so we update the
1378
       clock accordingly */
1379
    frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
1380
    is->video_clock += frame_delay;
1381

    
1382
#if defined(DEBUG_SYNC) && 0
1383
    printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1384
           av_get_picture_type_char(src_frame->pict_type), pts, pts1);
1385
#endif
1386

    
1387
    /* wait until we have space to put a new picture */
1388
    SDL_LockMutex(is->pictq_mutex);
1389

    
1390
    if(is->pictq_size>=VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
1391
        is->skip_frames= FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0-FRAME_SKIP_FACTOR));
1392

    
1393
    while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1394
           !is->videoq.abort_request) {
1395
        SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1396
    }
1397
    SDL_UnlockMutex(is->pictq_mutex);
1398

    
1399
    if (is->videoq.abort_request)
1400
        return -1;
1401

    
1402
    vp = &is->pictq[is->pictq_windex];
1403

    
1404
    /* alloc or resize hardware picture buffer */
1405
    if (!vp->bmp ||
1406
#if CONFIG_AVFILTER
1407
        vp->width  != is->out_video_filter->inputs[0]->w ||
1408
        vp->height != is->out_video_filter->inputs[0]->h) {
1409
#else
1410
        vp->width != is->video_st->codec->width ||
1411
        vp->height != is->video_st->codec->height) {
1412
#endif
1413
        SDL_Event event;
1414

    
1415
        vp->allocated = 0;
1416

    
1417
        /* the allocation must be done in the main thread to avoid
1418
           locking problems */
1419
        event.type = FF_ALLOC_EVENT;
1420
        event.user.data1 = is;
1421
        SDL_PushEvent(&event);
1422

    
1423
        /* wait until the picture is allocated */
1424
        SDL_LockMutex(is->pictq_mutex);
1425
        while (!vp->allocated && !is->videoq.abort_request) {
1426
            SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1427
        }
1428
        SDL_UnlockMutex(is->pictq_mutex);
1429

    
1430
        if (is->videoq.abort_request)
1431
            return -1;
1432
    }
1433

    
1434
    /* if the frame is not skipped, then display it */
1435
    if (vp->bmp) {
1436
        AVPicture pict;
1437
#if CONFIG_AVFILTER
1438
        if(vp->picref)
1439
            avfilter_unref_buffer(vp->picref);
1440
        vp->picref = src_frame->opaque;
1441
#endif
1442

    
1443
        /* get a pointer on the bitmap */
1444
        SDL_LockYUVOverlay (vp->bmp);
1445

    
1446
        memset(&pict,0,sizeof(AVPicture));
1447
        pict.data[0] = vp->bmp->pixels[0];
1448
        pict.data[1] = vp->bmp->pixels[2];
1449
        pict.data[2] = vp->bmp->pixels[1];
1450

    
1451
        pict.linesize[0] = vp->bmp->pitches[0];
1452
        pict.linesize[1] = vp->bmp->pitches[2];
1453
        pict.linesize[2] = vp->bmp->pitches[1];
1454

    
1455
#if CONFIG_AVFILTER
1456
        //FIXME use direct rendering
1457
        av_picture_copy(&pict, (AVPicture *)src_frame,
1458
                        vp->pix_fmt, vp->width, vp->height);
1459
#else
1460
        sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1461
        is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
1462
            vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
1463
            PIX_FMT_YUV420P, sws_flags, NULL, NULL, NULL);
1464
        if (is->img_convert_ctx == NULL) {
1465
            fprintf(stderr, "Cannot initialize the conversion context\n");
1466
            exit(1);
1467
        }
1468
        sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
1469
                  0, vp->height, pict.data, pict.linesize);
1470
#endif
1471
        /* update the bitmap content */
1472
        SDL_UnlockYUVOverlay(vp->bmp);
1473

    
1474
        vp->pts = pts;
1475
        vp->pos = pos;
1476

    
1477
        /* now we can update the picture count */
1478
        if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1479
            is->pictq_windex = 0;
1480
        SDL_LockMutex(is->pictq_mutex);
1481
        vp->target_clock= compute_target_time(vp->pts, is);
1482

    
1483
        is->pictq_size++;
1484
        SDL_UnlockMutex(is->pictq_mutex);
1485
    }
1486
    return 0;
1487
}
1488

    
1489
static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
1490
{
1491
    int len1, got_picture, i;
1492

    
1493
    if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1494
        return -1;
1495

    
1496
    if (pkt->data == flush_pkt.data) {
1497
        avcodec_flush_buffers(is->video_st->codec);
1498

    
1499
        SDL_LockMutex(is->pictq_mutex);
1500
        //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1501
        for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
1502
            is->pictq[i].target_clock= 0;
1503
        }
1504
        while (is->pictq_size && !is->videoq.abort_request) {
1505
            SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1506
        }
1507
        is->video_current_pos = -1;
1508
        SDL_UnlockMutex(is->pictq_mutex);
1509

    
1510
        is->frame_last_pts = AV_NOPTS_VALUE;
1511
        is->frame_last_delay = 0;
1512
        is->frame_timer = (double)av_gettime() / 1000000.0;
1513
        is->skip_frames = 1;
1514
        is->skip_frames_index = 0;
1515
        return 0;
1516
    }
1517

    
1518
    len1 = avcodec_decode_video2(is->video_st->codec,
1519
                                 frame, &got_picture,
1520
                                 pkt);
1521

    
1522
    if (got_picture) {
1523
        if (decoder_reorder_pts == -1) {
1524
            *pts = frame->best_effort_timestamp;
1525
        } else if (decoder_reorder_pts) {
1526
            *pts = frame->pkt_pts;
1527
        } else {
1528
            *pts = frame->pkt_dts;
1529
        }
1530

    
1531
        if (*pts == AV_NOPTS_VALUE) {
1532
            *pts = 0;
1533
        }
1534

    
1535
        is->skip_frames_index += 1;
1536
        if(is->skip_frames_index >= is->skip_frames){
1537
            is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
1538
            return 1;
1539
        }
1540

    
1541
    }
1542
    return 0;
1543
}
1544

    
1545
#if CONFIG_AVFILTER
1546
typedef struct {
1547
    VideoState *is;
1548
    AVFrame *frame;
1549
    int use_dr1;
1550
} FilterPriv;
1551

    
1552
static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
1553
{
1554
    AVFilterContext *ctx = codec->opaque;
1555
    AVFilterBufferRef  *ref;
1556
    int perms = AV_PERM_WRITE;
1557
    int i, w, h, stride[4];
1558
    unsigned edge;
1559
    int pixel_size;
1560

    
1561
    av_assert0(codec->flags & CODEC_FLAG_EMU_EDGE);
1562

    
1563
    if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
1564
        perms |= AV_PERM_NEG_LINESIZES;
1565

    
1566
    if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
1567
        if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
1568
        if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
1569
        if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
1570
    }
1571
    if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
1572

    
1573
    w = codec->width;
1574
    h = codec->height;
1575

    
1576
    if(av_image_check_size(w, h, 0, codec))
1577
        return -1;
1578

    
1579
    avcodec_align_dimensions2(codec, &w, &h, stride);
1580
    edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
1581
    w += edge << 1;
1582
    h += edge << 1;
1583

    
1584
    if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
1585
        return -1;
1586

    
1587
    pixel_size = av_pix_fmt_descriptors[ref->format].comp[0].step_minus1+1;
1588
    ref->video->w = codec->width;
1589
    ref->video->h = codec->height;
1590
    for(i = 0; i < 4; i ++) {
1591
        unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
1592
        unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
1593

    
1594
        if (ref->data[i]) {
1595
            ref->data[i]    += ((edge * pixel_size) >> hshift) + ((edge * ref->linesize[i]) >> vshift);
1596
        }
1597
        pic->data[i]     = ref->data[i];
1598
        pic->linesize[i] = ref->linesize[i];
1599
    }
1600
    pic->opaque = ref;
1601
    pic->age    = INT_MAX;
1602
    pic->type   = FF_BUFFER_TYPE_USER;
1603
    pic->reordered_opaque = codec->reordered_opaque;
1604
    if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1605
    else           pic->pkt_pts = AV_NOPTS_VALUE;
1606
    return 0;
1607
}
1608

    
1609
static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
1610
{
1611
    memset(pic->data, 0, sizeof(pic->data));
1612
    avfilter_unref_buffer(pic->opaque);
1613
}
1614

    
1615
static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
1616
{
1617
    AVFilterBufferRef *ref = pic->opaque;
1618

    
1619
    if (pic->data[0] == NULL) {
1620
        pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
1621
        return codec->get_buffer(codec, pic);
1622
    }
1623

    
1624
    if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
1625
        (codec->pix_fmt != ref->format)) {
1626
        av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
1627
        return -1;
1628
    }
1629

    
1630
    pic->reordered_opaque = codec->reordered_opaque;
1631
    if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1632
    else           pic->pkt_pts = AV_NOPTS_VALUE;
1633
    return 0;
1634
}
1635

    
1636
static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1637
{
1638
    FilterPriv *priv = ctx->priv;
1639
    AVCodecContext *codec;
1640
    if(!opaque) return -1;
1641

    
1642
    priv->is = opaque;
1643
    codec    = priv->is->video_st->codec;
1644
    codec->opaque = ctx;
1645
    if((codec->codec->capabilities & CODEC_CAP_DR1)
1646
    ) {
1647
        av_assert0(codec->flags & CODEC_FLAG_EMU_EDGE);
1648
        priv->use_dr1 = 1;
1649
        codec->get_buffer     = input_get_buffer;
1650
        codec->release_buffer = input_release_buffer;
1651
        codec->reget_buffer   = input_reget_buffer;
1652
        codec->thread_safe_callbacks = 1;
1653
    }
1654

    
1655
    priv->frame = avcodec_alloc_frame();
1656

    
1657
    return 0;
1658
}
1659

    
1660
static void input_uninit(AVFilterContext *ctx)
1661
{
1662
    FilterPriv *priv = ctx->priv;
1663
    av_free(priv->frame);
1664
}
1665

    
1666
static int input_request_frame(AVFilterLink *link)
1667
{
1668
    FilterPriv *priv = link->src->priv;
1669
    AVFilterBufferRef *picref;
1670
    int64_t pts = 0;
1671
    AVPacket pkt;
1672
    int ret;
1673

    
1674
    while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1675
        av_free_packet(&pkt);
1676
    if (ret < 0)
1677
        return -1;
1678

    
1679
    if(priv->use_dr1) {
1680
        picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
1681
    } else {
1682
        picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
1683
        av_image_copy(picref->data, picref->linesize,
1684
                      priv->frame->data, priv->frame->linesize,
1685
                      picref->format, link->w, link->h);
1686
    }
1687
    av_free_packet(&pkt);
1688

    
1689
    picref->pts = pts;
1690
    picref->pos = priv->frame->pkt_pos;
1691
    picref->video->sample_aspect_ratio = priv->frame->sample_aspect_ratio;
1692
    avfilter_start_frame(link, picref);
1693
    avfilter_draw_slice(link, 0, link->h, 1);
1694
    avfilter_end_frame(link);
1695

    
1696
    return 0;
1697
}
1698

    
1699
static int input_query_formats(AVFilterContext *ctx)
1700
{
1701
    FilterPriv *priv = ctx->priv;
1702
    enum PixelFormat pix_fmts[] = {
1703
        priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1704
    };
1705

    
1706
    avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1707
    return 0;
1708
}
1709

    
1710
static int input_config_props(AVFilterLink *link)
1711
{
1712
    FilterPriv *priv  = link->src->priv;
1713
    AVCodecContext *c = priv->is->video_st->codec;
1714

    
1715
    link->w = c->width;
1716
    link->h = c->height;
1717
    link->time_base = priv->is->video_st->time_base;
1718

    
1719
    return 0;
1720
}
1721

    
1722
static AVFilter input_filter =
1723
{
1724
    .name      = "ffplay_input",
1725

    
1726
    .priv_size = sizeof(FilterPriv),
1727

    
1728
    .init      = input_init,
1729
    .uninit    = input_uninit,
1730

    
1731
    .query_formats = input_query_formats,
1732

    
1733
    .inputs    = (AVFilterPad[]) {{ .name = NULL }},
1734
    .outputs   = (AVFilterPad[]) {{ .name = "default",
1735
                                    .type = AVMEDIA_TYPE_VIDEO,
1736
                                    .request_frame = input_request_frame,
1737
                                    .config_props  = input_config_props, },
1738
                                  { .name = NULL }},
1739
};
1740

    
1741
static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters)
1742
{
1743
    char sws_flags_str[128];
1744
    int ret;
1745
    FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
1746
    AVFilterContext *filt_src = NULL, *filt_out = NULL;
1747
    snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
1748
    graph->scale_sws_opts = av_strdup(sws_flags_str);
1749

    
1750
    if ((ret = avfilter_graph_create_filter(&filt_src, &input_filter, "src",
1751
                                            NULL, is, graph)) < 0)
1752
        goto the_end;
1753
    if ((ret = avfilter_graph_create_filter(&filt_out, &ffsink, "out",
1754
                                            NULL, &ffsink_ctx, graph)) < 0)
1755
        goto the_end;
1756

    
1757
    if(vfilters) {
1758
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1759
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
1760

    
1761
        outputs->name    = av_strdup("in");
1762
        outputs->filter_ctx = filt_src;
1763
        outputs->pad_idx = 0;
1764
        outputs->next    = NULL;
1765

    
1766
        inputs->name    = av_strdup("out");
1767
        inputs->filter_ctx = filt_out;
1768
        inputs->pad_idx = 0;
1769
        inputs->next    = NULL;
1770

    
1771
        if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
1772
            goto the_end;
1773
        av_freep(&vfilters);
1774
    } else {
1775
        if ((ret = avfilter_link(filt_src, 0, filt_out, 0)) < 0)
1776
            goto the_end;
1777
    }
1778

    
1779
    if ((ret = avfilter_graph_config(graph, NULL)) < 0)
1780
        goto the_end;
1781

    
1782
    is->out_video_filter = filt_out;
1783
the_end:
1784
    return ret;
1785
}
1786

    
1787
#endif  /* CONFIG_AVFILTER */
1788

    
1789
static int video_thread(void *arg)
1790
{
1791
    VideoState *is = arg;
1792
    AVFrame *frame= avcodec_alloc_frame();
1793
    int64_t pts_int, pos;
1794
    double pts;
1795
    int ret;
1796

    
1797
#if CONFIG_AVFILTER
1798
    AVFilterGraph *graph = avfilter_graph_alloc();
1799
    AVFilterContext *filt_out = NULL;
1800

    
1801
    if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
1802
        goto the_end;
1803
    filt_out = is->out_video_filter;
1804
#endif
1805

    
1806
    for(;;) {
1807
#if !CONFIG_AVFILTER
1808
        AVPacket pkt;
1809
#else
1810
        AVFilterBufferRef *picref;
1811
        AVRational tb;
1812
#endif
1813
        while (is->paused && !is->videoq.abort_request)
1814
            SDL_Delay(10);
1815
#if CONFIG_AVFILTER
1816
        ret = get_filtered_video_frame(filt_out, frame, &picref, &tb);
1817
        if (picref) {
1818
            pts_int = picref->pts;
1819
            pos     = picref->pos;
1820
            frame->opaque = picref;
1821
        }
1822

    
1823
        if (av_cmp_q(tb, is->video_st->time_base)) {
1824
            av_unused int64_t pts1 = pts_int;
1825
            pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1826
            av_dlog(NULL, "video_thread(): "
1827
                    "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1828
                    tb.num, tb.den, pts1,
1829
                    is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1830
        }
1831
#else
1832
        ret = get_video_frame(is, frame, &pts_int, &pkt);
1833
        pos = pkt.pos;
1834
        av_free_packet(&pkt);
1835
#endif
1836

    
1837
        if (ret < 0) goto the_end;
1838

    
1839
        if (!ret)
1840
            continue;
1841

    
1842
        pts = pts_int*av_q2d(is->video_st->time_base);
1843

    
1844
        ret = queue_picture(is, frame, pts, pos);
1845

    
1846
        if (ret < 0)
1847
            goto the_end;
1848

    
1849
        if (step)
1850
            if (cur_stream)
1851
                stream_toggle_pause(cur_stream);
1852
    }
1853
 the_end:
1854
#if CONFIG_AVFILTER
1855
    avfilter_graph_free(&graph);
1856
#endif
1857
    av_free(frame);
1858
    return 0;
1859
}
1860

    
1861
static int subtitle_thread(void *arg)
1862
{
1863
    VideoState *is = arg;
1864
    SubPicture *sp;
1865
    AVPacket pkt1, *pkt = &pkt1;
1866
    int len1, got_subtitle;
1867
    double pts;
1868
    int i, j;
1869
    int r, g, b, y, u, v, a;
1870

    
1871
    for(;;) {
1872
        while (is->paused && !is->subtitleq.abort_request) {
1873
            SDL_Delay(10);
1874
        }
1875
        if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1876
            break;
1877

    
1878
        if(pkt->data == flush_pkt.data){
1879
            avcodec_flush_buffers(is->subtitle_st->codec);
1880
            continue;
1881
        }
1882
        SDL_LockMutex(is->subpq_mutex);
1883
        while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1884
               !is->subtitleq.abort_request) {
1885
            SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1886
        }
1887
        SDL_UnlockMutex(is->subpq_mutex);
1888

    
1889
        if (is->subtitleq.abort_request)
1890
            goto the_end;
1891

    
1892
        sp = &is->subpq[is->subpq_windex];
1893

    
1894
       /* NOTE: ipts is the PTS of the _first_ picture beginning in
1895
           this packet, if any */
1896
        pts = 0;
1897
        if (pkt->pts != AV_NOPTS_VALUE)
1898
            pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1899

    
1900
        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
1901
                                    &sp->sub, &got_subtitle,
1902
                                    pkt);
1903
//            if (len1 < 0)
1904
//                break;
1905
        if (got_subtitle && sp->sub.format == 0) {
1906
            sp->pts = pts;
1907

    
1908
            for (i = 0; i < sp->sub.num_rects; i++)
1909
            {
1910
                for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1911
                {
1912
                    RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1913
                    y = RGB_TO_Y_CCIR(r, g, b);
1914
                    u = RGB_TO_U_CCIR(r, g, b, 0);
1915
                    v = RGB_TO_V_CCIR(r, g, b, 0);
1916
                    YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1917
                }
1918
            }
1919

    
1920
            /* now we can update the picture count */
1921
            if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1922
                is->subpq_windex = 0;
1923
            SDL_LockMutex(is->subpq_mutex);
1924
            is->subpq_size++;
1925
            SDL_UnlockMutex(is->subpq_mutex);
1926
        }
1927
        av_free_packet(pkt);
1928
//        if (step)
1929
//            if (cur_stream)
1930
//                stream_toggle_pause(cur_stream);
1931
    }
1932
 the_end:
1933
    return 0;
1934
}
1935

    
1936
/* copy samples for viewing in editor window */
1937
static void update_sample_display(VideoState *is, short *samples, int samples_size)
1938
{
1939
    int size, len;
1940

    
1941
    size = samples_size / sizeof(short);
1942
    while (size > 0) {
1943
        len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1944
        if (len > size)
1945
            len = size;
1946
        memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1947
        samples += len;
1948
        is->sample_array_index += len;
1949
        if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1950
            is->sample_array_index = 0;
1951
        size -= len;
1952
    }
1953
}
1954

    
1955
/* return the new audio buffer size (samples can be added or deleted
1956
   to get better sync if video or external master clock) */
1957
static int synchronize_audio(VideoState *is, short *samples,
1958
                             int samples_size1, double pts)
1959
{
1960
    int n, samples_size;
1961
    double ref_clock;
1962

    
1963
    n = 2 * is->audio_st->codec->channels;
1964
    samples_size = samples_size1;
1965

    
1966
    /* if not master, then we try to remove or add samples to correct the clock */
1967
    if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
1968
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1969
        double diff, avg_diff;
1970
        int wanted_size, min_size, max_size, nb_samples;
1971

    
1972
        ref_clock = get_master_clock(is);
1973
        diff = get_audio_clock(is) - ref_clock;
1974

    
1975
        if (diff < AV_NOSYNC_THRESHOLD) {
1976
            is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1977
            if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1978
                /* not enough measures to have a correct estimate */
1979
                is->audio_diff_avg_count++;
1980
            } else {
1981
                /* estimate the A-V difference */
1982
                avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1983

    
1984
                if (fabs(avg_diff) >= is->audio_diff_threshold) {
1985
                    wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
1986
                    nb_samples = samples_size / n;
1987

    
1988
                    min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1989
                    max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1990
                    if (wanted_size < min_size)
1991
                        wanted_size = min_size;
1992
                    else if (wanted_size > max_size)
1993
                        wanted_size = max_size;
1994

    
1995
                    /* add or remove samples to correction the synchro */
1996
                    if (wanted_size < samples_size) {
1997
                        /* remove samples */
1998
                        samples_size = wanted_size;
1999
                    } else if (wanted_size > samples_size) {
2000
                        uint8_t *samples_end, *q;
2001
                        int nb;
2002

    
2003
                        /* add samples */
2004
                        nb = (samples_size - wanted_size);
2005
                        samples_end = (uint8_t *)samples + samples_size - n;
2006
                        q = samples_end + n;
2007
                        while (nb > 0) {
2008
                            memcpy(q, samples_end, n);
2009
                            q += n;
2010
                            nb -= n;
2011
                        }
2012
                        samples_size = wanted_size;
2013
                    }
2014
                }
2015
#if 0
2016
                printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
2017
                       diff, avg_diff, samples_size - samples_size1,
2018
                       is->audio_clock, is->video_clock, is->audio_diff_threshold);
2019
#endif
2020
            }
2021
        } else {
2022
            /* too big difference : may be initial PTS errors, so
2023
               reset A-V filter */
2024
            is->audio_diff_avg_count = 0;
2025
            is->audio_diff_cum = 0;
2026
        }
2027
    }
2028

    
2029
    return samples_size;
2030
}
2031

    
2032
/* decode one audio frame and returns its uncompressed size */
2033
static int audio_decode_frame(VideoState *is, double *pts_ptr)
2034
{
2035
    AVPacket *pkt_temp = &is->audio_pkt_temp;
2036
    AVPacket *pkt = &is->audio_pkt;
2037
    AVCodecContext *dec= is->audio_st->codec;
2038
    int n, len1, data_size;
2039
    double pts;
2040

    
2041
    for(;;) {
2042
        /* NOTE: the audio packet can contain several frames */
2043
        while (pkt_temp->size > 0) {
2044
            data_size = sizeof(is->audio_buf1);
2045
            len1 = avcodec_decode_audio3(dec,
2046
                                        (int16_t *)is->audio_buf1, &data_size,
2047
                                        pkt_temp);
2048
            if (len1 < 0) {
2049
                /* if error, we skip the frame */
2050
                pkt_temp->size = 0;
2051
                break;
2052
            }
2053

    
2054
            pkt_temp->data += len1;
2055
            pkt_temp->size -= len1;
2056
            if (data_size <= 0)
2057
                continue;
2058

    
2059
            if (dec->sample_fmt != is->audio_src_fmt) {
2060
                if (is->reformat_ctx)
2061
                    av_audio_convert_free(is->reformat_ctx);
2062
                is->reformat_ctx= av_audio_convert_alloc(AV_SAMPLE_FMT_S16, 1,
2063
                                                         dec->sample_fmt, 1, NULL, 0);
2064
                if (!is->reformat_ctx) {
2065
                    fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
2066
                        av_get_sample_fmt_name(dec->sample_fmt),
2067
                        av_get_sample_fmt_name(AV_SAMPLE_FMT_S16));
2068
                        break;
2069
                }
2070
                is->audio_src_fmt= dec->sample_fmt;
2071
            }
2072

    
2073
            if (is->reformat_ctx) {
2074
                const void *ibuf[6]= {is->audio_buf1};
2075
                void *obuf[6]= {is->audio_buf2};
2076
                int istride[6]= {av_get_bits_per_sample_fmt(dec->sample_fmt)/8};
2077
                int ostride[6]= {2};
2078
                int len= data_size/istride[0];
2079
                if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2080
                    printf("av_audio_convert() failed\n");
2081
                    break;
2082
                }
2083
                is->audio_buf= is->audio_buf2;
2084
                /* FIXME: existing code assume that data_size equals framesize*channels*2
2085
                          remove this legacy cruft */
2086
                data_size= len*2;
2087
            }else{
2088
                is->audio_buf= is->audio_buf1;
2089
            }
2090

    
2091
            /* if no pts, then compute it */
2092
            pts = is->audio_clock;
2093
            *pts_ptr = pts;
2094
            n = 2 * dec->channels;
2095
            is->audio_clock += (double)data_size /
2096
                (double)(n * dec->sample_rate);
2097
#if defined(DEBUG_SYNC)
2098
            {
2099
                static double last_clock;
2100
                printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2101
                       is->audio_clock - last_clock,
2102
                       is->audio_clock, pts);
2103
                last_clock = is->audio_clock;
2104
            }
2105
#endif
2106
            return data_size;
2107
        }
2108

    
2109
        /* free the current packet */
2110
        if (pkt->data)
2111
            av_free_packet(pkt);
2112

    
2113
        if (is->paused || is->audioq.abort_request) {
2114
            return -1;
2115
        }
2116

    
2117
        /* read next packet */
2118
        if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2119
            return -1;
2120
        if(pkt->data == flush_pkt.data){
2121
            avcodec_flush_buffers(dec);
2122
            continue;
2123
        }
2124

    
2125
        pkt_temp->data = pkt->data;
2126
        pkt_temp->size = pkt->size;
2127

    
2128
        /* if update the audio clock with the pts */
2129
        if (pkt->pts != AV_NOPTS_VALUE) {
2130
            is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2131
        }
2132
    }
2133
}
2134

    
2135
/* prepare a new audio buffer */
2136
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2137
{
2138
    VideoState *is = opaque;
2139
    int audio_size, len1;
2140
    double pts;
2141

    
2142
    audio_callback_time = av_gettime();
2143

    
2144
    while (len > 0) {
2145
        if (is->audio_buf_index >= is->audio_buf_size) {
2146
           audio_size = audio_decode_frame(is, &pts);
2147
           if (audio_size < 0) {
2148
                /* if error, just output silence */
2149
               is->audio_buf = is->audio_buf1;
2150
               is->audio_buf_size = 1024;
2151
               memset(is->audio_buf, 0, is->audio_buf_size);
2152
           } else {
2153
               if (is->show_mode != SHOW_MODE_VIDEO)
2154
                   update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2155
               audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2156
                                              pts);
2157
               is->audio_buf_size = audio_size;
2158
           }
2159
           is->audio_buf_index = 0;
2160
        }
2161
        len1 = is->audio_buf_size - is->audio_buf_index;
2162
        if (len1 > len)
2163
            len1 = len;
2164
        memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2165
        len -= len1;
2166
        stream += len1;
2167
        is->audio_buf_index += len1;
2168
    }
2169
}
2170

    
2171
/* open a given stream. Return 0 if OK */
2172
static int stream_component_open(VideoState *is, int stream_index)
2173
{
2174
    AVFormatContext *ic = is->ic;
2175
    AVCodecContext *avctx;
2176
    AVCodec *codec;
2177
    SDL_AudioSpec wanted_spec, spec;
2178

    
2179
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2180
        return -1;
2181
    avctx = ic->streams[stream_index]->codec;
2182

    
2183
    /* prepare audio output */
2184
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2185
        if (avctx->channels > 0) {
2186
            avctx->request_channels = FFMIN(2, avctx->channels);
2187
        } else {
2188
            avctx->request_channels = 2;
2189
        }
2190
    }
2191

    
2192
    codec = avcodec_find_decoder(avctx->codec_id);
2193
    avctx->debug_mv = debug_mv;
2194
    avctx->debug = debug;
2195
    avctx->workaround_bugs = workaround_bugs;
2196
    avctx->lowres = lowres;
2197
    if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2198
    avctx->idct_algo= idct;
2199
    if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2200
    avctx->skip_frame= skip_frame;
2201
    avctx->skip_idct= skip_idct;
2202
    avctx->skip_loop_filter= skip_loop_filter;
2203
    avctx->error_recognition= error_recognition;
2204
    avctx->error_concealment= error_concealment;
2205
    avctx->thread_count= thread_count;
2206

    
2207
    set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
2208

    
2209
    if(codec->capabilities & CODEC_CAP_DR1)
2210
        avctx->flags |= CODEC_FLAG_EMU_EDGE;
2211

    
2212
    if (!codec ||
2213
        avcodec_open(avctx, codec) < 0)
2214
        return -1;
2215

    
2216
    /* prepare audio output */
2217
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2218
        wanted_spec.freq = avctx->sample_rate;
2219
        wanted_spec.format = AUDIO_S16SYS;
2220
        wanted_spec.channels = avctx->channels;
2221
        wanted_spec.silence = 0;
2222
        wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2223
        wanted_spec.callback = sdl_audio_callback;
2224
        wanted_spec.userdata = is;
2225
        if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2226
            fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2227
            return -1;
2228
        }
2229
        is->audio_hw_buf_size = spec.size;
2230
        is->audio_src_fmt= AV_SAMPLE_FMT_S16;
2231
    }
2232

    
2233
    ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2234
    switch(avctx->codec_type) {
2235
    case AVMEDIA_TYPE_AUDIO:
2236
        is->audio_stream = stream_index;
2237
        is->audio_st = ic->streams[stream_index];
2238
        is->audio_buf_size = 0;
2239
        is->audio_buf_index = 0;
2240

    
2241
        /* init averaging filter */
2242
        is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2243
        is->audio_diff_avg_count = 0;
2244
        /* since we do not have a precise anough audio fifo fullness,
2245
           we correct audio sync only if larger than this threshold */
2246
        is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
2247

    
2248
        memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2249
        packet_queue_init(&is->audioq);
2250
        SDL_PauseAudio(0);
2251
        break;
2252
    case AVMEDIA_TYPE_VIDEO:
2253
        is->video_stream = stream_index;
2254
        is->video_st = ic->streams[stream_index];
2255

    
2256
//        is->video_current_pts_time = av_gettime();
2257

    
2258
        packet_queue_init(&is->videoq);
2259
        is->video_tid = SDL_CreateThread(video_thread, is);
2260
        break;
2261
    case AVMEDIA_TYPE_SUBTITLE:
2262
        is->subtitle_stream = stream_index;
2263
        is->subtitle_st = ic->streams[stream_index];
2264
        packet_queue_init(&is->subtitleq);
2265

    
2266
        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2267
        break;
2268
    default:
2269
        break;
2270
    }
2271
    return 0;
2272
}
2273

    
2274
static void stream_component_close(VideoState *is, int stream_index)
2275
{
2276
    AVFormatContext *ic = is->ic;
2277
    AVCodecContext *avctx;
2278

    
2279
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2280
        return;
2281
    avctx = ic->streams[stream_index]->codec;
2282

    
2283
    switch(avctx->codec_type) {
2284
    case AVMEDIA_TYPE_AUDIO:
2285
        packet_queue_abort(&is->audioq);
2286

    
2287
        SDL_CloseAudio();
2288

    
2289
        packet_queue_end(&is->audioq);
2290
        if (is->reformat_ctx)
2291
            av_audio_convert_free(is->reformat_ctx);
2292
        is->reformat_ctx = NULL;
2293
        break;
2294
    case AVMEDIA_TYPE_VIDEO:
2295
        packet_queue_abort(&is->videoq);
2296

    
2297
        /* note: we also signal this mutex to make sure we deblock the
2298
           video thread in all cases */
2299
        SDL_LockMutex(is->pictq_mutex);
2300
        SDL_CondSignal(is->pictq_cond);
2301
        SDL_UnlockMutex(is->pictq_mutex);
2302

    
2303
        SDL_WaitThread(is->video_tid, NULL);
2304

    
2305
        packet_queue_end(&is->videoq);
2306
        break;
2307
    case AVMEDIA_TYPE_SUBTITLE:
2308
        packet_queue_abort(&is->subtitleq);
2309

    
2310
        /* note: we also signal this mutex to make sure we deblock the
2311
           video thread in all cases */
2312
        SDL_LockMutex(is->subpq_mutex);
2313
        is->subtitle_stream_changed = 1;
2314

    
2315
        SDL_CondSignal(is->subpq_cond);
2316
        SDL_UnlockMutex(is->subpq_mutex);
2317

    
2318
        SDL_WaitThread(is->subtitle_tid, NULL);
2319

    
2320
        packet_queue_end(&is->subtitleq);
2321
        break;
2322
    default:
2323
        break;
2324
    }
2325

    
2326
    ic->streams[stream_index]->discard = AVDISCARD_ALL;
2327
    avcodec_close(avctx);
2328
    switch(avctx->codec_type) {
2329
    case AVMEDIA_TYPE_AUDIO:
2330
        is->audio_st = NULL;
2331
        is->audio_stream = -1;
2332
        break;
2333
    case AVMEDIA_TYPE_VIDEO:
2334
        is->video_st = NULL;
2335
        is->video_stream = -1;
2336
        break;
2337
    case AVMEDIA_TYPE_SUBTITLE:
2338
        is->subtitle_st = NULL;
2339
        is->subtitle_stream = -1;
2340
        break;
2341
    default:
2342
        break;
2343
    }
2344
}
2345

    
2346
/* since we have only one decoding thread, we can use a global
2347
   variable instead of a thread local variable */
2348
static VideoState *global_video_state;
2349

    
2350
static int decode_interrupt_cb(void)
2351
{
2352
    return (global_video_state && global_video_state->abort_request);
2353
}
2354

    
2355
/* this thread gets the stream from the disk or the network */
2356
static int read_thread(void *arg)
2357
{
2358
    VideoState *is = arg;
2359
    AVFormatContext *ic;
2360
    int err, i, ret;
2361
    int st_index[AVMEDIA_TYPE_NB];
2362
    AVPacket pkt1, *pkt = &pkt1;
2363
    AVFormatParameters params, *ap = &params;
2364
    int eof=0;
2365
    int pkt_in_play_range = 0;
2366

    
2367
    ic = avformat_alloc_context();
2368

    
2369
    memset(st_index, -1, sizeof(st_index));
2370
    is->video_stream = -1;
2371
    is->audio_stream = -1;
2372
    is->subtitle_stream = -1;
2373

    
2374
    global_video_state = is;
2375
    avio_set_interrupt_cb(decode_interrupt_cb);
2376

    
2377
    memset(ap, 0, sizeof(*ap));
2378

    
2379
    ap->prealloced_context = 1;
2380
    ap->width = frame_width;
2381
    ap->height= frame_height;
2382
    ap->time_base= (AVRational){1, 25};
2383
    ap->pix_fmt = frame_pix_fmt;
2384
    ic->flags |= AVFMT_FLAG_PRIV_OPT;
2385

    
2386

    
2387
    err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
2388
    if (err >= 0) {
2389
        set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
2390
        err = av_demuxer_open(ic, ap);
2391
        if(err < 0){
2392
            avformat_free_context(ic);
2393
            ic= NULL;
2394
        }
2395
    }
2396
    if (err < 0) {
2397
        print_error(is->filename, err);
2398
        ret = -1;
2399
        goto fail;
2400
    }
2401
    is->ic = ic;
2402

    
2403
    if(genpts)
2404
        ic->flags |= AVFMT_FLAG_GENPTS;
2405

    
2406
    err = av_find_stream_info(ic);
2407
    if (err < 0) {
2408
        fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2409
        ret = -1;
2410
        goto fail;
2411
    }
2412
    if(ic->pb)
2413
        ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2414

    
2415
    if(seek_by_bytes<0)
2416
        seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2417

    
2418
    /* if seeking requested, we execute it */
2419
    if (start_time != AV_NOPTS_VALUE) {
2420
        int64_t timestamp;
2421

    
2422
        timestamp = start_time;
2423
        /* add the stream start time */
2424
        if (ic->start_time != AV_NOPTS_VALUE)
2425
            timestamp += ic->start_time;
2426
        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
2427
        if (ret < 0) {
2428
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2429
                    is->filename, (double)timestamp / AV_TIME_BASE);
2430
        }
2431
    }
2432

    
2433
    for (i = 0; i < ic->nb_streams; i++)
2434
        ic->streams[i]->discard = AVDISCARD_ALL;
2435
    if (!video_disable)
2436
        st_index[AVMEDIA_TYPE_VIDEO] =
2437
            av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
2438
                                wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
2439
    if (!audio_disable)
2440
        st_index[AVMEDIA_TYPE_AUDIO] =
2441
            av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
2442
                                wanted_stream[AVMEDIA_TYPE_AUDIO],
2443
                                st_index[AVMEDIA_TYPE_VIDEO],
2444
                                NULL, 0);
2445
    if (!video_disable)
2446
        st_index[AVMEDIA_TYPE_SUBTITLE] =
2447
            av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
2448
                                wanted_stream[AVMEDIA_TYPE_SUBTITLE],
2449
                                (st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
2450
                                 st_index[AVMEDIA_TYPE_AUDIO] :
2451
                                 st_index[AVMEDIA_TYPE_VIDEO]),
2452
                                NULL, 0);
2453
    if (show_status) {
2454
        av_dump_format(ic, 0, is->filename, 0);
2455
    }
2456

    
2457
    is->show_mode = show_mode;
2458

    
2459
    /* open the streams */
2460
    if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2461
        stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
2462
    }
2463

    
2464
    ret=-1;
2465
    if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2466
        ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
2467
    }
2468
    is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2469
    if (is->show_mode == SHOW_MODE_NONE)
2470
        is->show_mode = ret >= 0 ? SHOW_MODE_VIDEO : SHOW_MODE_RDFT;
2471

    
2472
    if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2473
        stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
2474
    }
2475

    
2476
    if (is->video_stream < 0 && is->audio_stream < 0) {
2477
        fprintf(stderr, "%s: could not open codecs\n", is->filename);
2478
        ret = -1;
2479
        goto fail;
2480
    }
2481

    
2482
    for(;;) {
2483
        if (is->abort_request)
2484
            break;
2485
        if (is->paused != is->last_paused) {
2486
            is->last_paused = is->paused;
2487
            if (is->paused)
2488
                is->read_pause_return= av_read_pause(ic);
2489
            else
2490
                av_read_play(ic);
2491
        }
2492
#if CONFIG_RTSP_DEMUXER
2493
        if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2494
            /* wait 10 ms to avoid trying to get another packet */
2495
            /* XXX: horrible */
2496
            SDL_Delay(10);
2497
            continue;
2498
        }
2499
#endif
2500
        if (is->seek_req) {
2501
            int64_t seek_target= is->seek_pos;
2502
            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2503
            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2504
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2505
//      of the seek_pos/seek_rel variables
2506

    
2507
            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2508
            if (ret < 0) {
2509
                fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2510
            }else{
2511
                if (is->audio_stream >= 0) {
2512
                    packet_queue_flush(&is->audioq);
2513
                    packet_queue_put(&is->audioq, &flush_pkt);
2514
                }
2515
                if (is->subtitle_stream >= 0) {
2516
                    packet_queue_flush(&is->subtitleq);
2517
                    packet_queue_put(&is->subtitleq, &flush_pkt);
2518
                }
2519
                if (is->video_stream >= 0) {
2520
                    packet_queue_flush(&is->videoq);
2521
                    packet_queue_put(&is->videoq, &flush_pkt);
2522
                }
2523
            }
2524
            is->seek_req = 0;
2525
            eof= 0;
2526
        }
2527

    
2528
        /* if the queue are full, no need to read more */
2529
        if (   is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2530
            || (   (is->audioq   .size  > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2531
                && (is->videoq   .nb_packets > MIN_FRAMES || is->video_stream<0)
2532
                && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2533
            /* wait 10 ms */
2534
            SDL_Delay(10);
2535
            continue;
2536
        }
2537
        if(eof) {
2538
            if(is->video_stream >= 0){
2539
                av_init_packet(pkt);
2540
                pkt->data=NULL;
2541
                pkt->size=0;
2542
                pkt->stream_index= is->video_stream;
2543
                packet_queue_put(&is->videoq, pkt);
2544
            }
2545
            SDL_Delay(10);
2546
            if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2547
                if(loop!=1 && (!loop || --loop)){
2548
                    stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2549
                }else if(autoexit){
2550
                    ret=AVERROR_EOF;
2551
                    goto fail;
2552
                }
2553
            }
2554
            eof=0;
2555
            continue;
2556
        }
2557
        ret = av_read_frame(ic, pkt);
2558
        if (ret < 0) {
2559
            if (ret == AVERROR_EOF || url_feof(ic->pb))
2560
                eof=1;
2561
            if (ic->pb && ic->pb->error)
2562
                break;
2563
            SDL_Delay(100); /* wait for user event */
2564
            continue;
2565
        }
2566
        /* check if packet is in play range specified by user, then queue, otherwise discard */
2567
        pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2568
                (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2569
                av_q2d(ic->streams[pkt->stream_index]->time_base) -
2570
                (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2571
                <= ((double)duration/1000000);
2572
        if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
2573
            packet_queue_put(&is->audioq, pkt);
2574
        } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
2575
            packet_queue_put(&is->videoq, pkt);
2576
        } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
2577
            packet_queue_put(&is->subtitleq, pkt);
2578
        } else {
2579
            av_free_packet(pkt);
2580
        }
2581
    }
2582
    /* wait until the end */
2583
    while (!is->abort_request) {
2584
        SDL_Delay(100);
2585
    }
2586

    
2587
    ret = 0;
2588
 fail:
2589
    /* disable interrupting */
2590
    global_video_state = NULL;
2591

    
2592
    /* close each stream */
2593
    if (is->audio_stream >= 0)
2594
        stream_component_close(is, is->audio_stream);
2595
    if (is->video_stream >= 0)
2596
        stream_component_close(is, is->video_stream);
2597
    if (is->subtitle_stream >= 0)
2598
        stream_component_close(is, is->subtitle_stream);
2599
    if (is->ic) {
2600
        av_close_input_file(is->ic);
2601
        is->ic = NULL; /* safety */
2602
    }
2603
    avio_set_interrupt_cb(NULL);
2604

    
2605
    if (ret != 0) {
2606
        SDL_Event event;
2607

    
2608
        event.type = FF_QUIT_EVENT;
2609
        event.user.data1 = is;
2610
        SDL_PushEvent(&event);
2611
    }
2612
    return 0;
2613
}
2614

    
2615
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2616
{
2617
    VideoState *is;
2618

    
2619
    is = av_mallocz(sizeof(VideoState));
2620
    if (!is)
2621
        return NULL;
2622
    av_strlcpy(is->filename, filename, sizeof(is->filename));
2623
    is->iformat = iformat;
2624
    is->ytop = 0;
2625
    is->xleft = 0;
2626

    
2627
    /* start video display */
2628
    is->pictq_mutex = SDL_CreateMutex();
2629
    is->pictq_cond = SDL_CreateCond();
2630

    
2631
    is->subpq_mutex = SDL_CreateMutex();
2632
    is->subpq_cond = SDL_CreateCond();
2633

    
2634
    is->av_sync_type = av_sync_type;
2635
    is->read_tid = SDL_CreateThread(read_thread, is);
2636
    if (!is->read_tid) {
2637
        av_free(is);
2638
        return NULL;
2639
    }
2640
    return is;
2641
}
2642

    
2643
static void stream_cycle_channel(VideoState *is, int codec_type)
2644
{
2645
    AVFormatContext *ic = is->ic;
2646
    int start_index, stream_index;
2647
    AVStream *st;
2648

    
2649
    if (codec_type == AVMEDIA_TYPE_VIDEO)
2650
        start_index = is->video_stream;
2651
    else if (codec_type == AVMEDIA_TYPE_AUDIO)
2652
        start_index = is->audio_stream;
2653
    else
2654
        start_index = is->subtitle_stream;
2655
    if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
2656
        return;
2657
    stream_index = start_index;
2658
    for(;;) {
2659
        if (++stream_index >= is->ic->nb_streams)
2660
        {
2661
            if (codec_type == AVMEDIA_TYPE_SUBTITLE)
2662
            {
2663
                stream_index = -1;
2664
                goto the_end;
2665
            } else
2666
                stream_index = 0;
2667
        }
2668
        if (stream_index == start_index)
2669
            return;
2670
        st = ic->streams[stream_index];
2671
        if (st->codec->codec_type == codec_type) {
2672
            /* check that parameters are OK */
2673
            switch(codec_type) {
2674
            case AVMEDIA_TYPE_AUDIO:
2675
                if (st->codec->sample_rate != 0 &&
2676
                    st->codec->channels != 0)
2677
                    goto the_end;
2678
                break;
2679
            case AVMEDIA_TYPE_VIDEO:
2680
            case AVMEDIA_TYPE_SUBTITLE:
2681
                goto the_end;
2682
            default:
2683
                break;
2684
            }
2685
        }
2686
    }
2687
 the_end:
2688
    stream_component_close(is, start_index);
2689
    stream_component_open(is, stream_index);
2690
}
2691

    
2692

    
2693
static void toggle_full_screen(void)
2694
{
2695
    is_full_screen = !is_full_screen;
2696
    if (!fs_screen_width) {
2697
        /* use default SDL method */
2698
//        SDL_WM_ToggleFullScreen(screen);
2699
    }
2700
    video_open(cur_stream);
2701
}
2702

    
2703
static void toggle_pause(void)
2704
{
2705
    if (cur_stream)
2706
        stream_toggle_pause(cur_stream);
2707
    step = 0;
2708
}
2709

    
2710
static void step_to_next_frame(void)
2711
{
2712
    if (cur_stream) {
2713
        /* if the stream is paused unpause it, then step */
2714
        if (cur_stream->paused)
2715
            stream_toggle_pause(cur_stream);
2716
    }
2717
    step = 1;
2718
}
2719

    
2720
static void toggle_audio_display(void)
2721
{
2722
    if (cur_stream) {
2723
        int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2724
        cur_stream->show_mode = (cur_stream->show_mode + 1) % SHOW_MODE_NB;
2725
        fill_rectangle(screen,
2726
                    cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2727
                    bgcolor);
2728
        SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
2729
    }
2730
}
2731

    
2732
/* handle an event sent by the GUI */
2733
static void event_loop(void)
2734
{
2735
    SDL_Event event;
2736
    double incr, pos, frac;
2737

    
2738
    for(;;) {
2739
        double x;
2740
        SDL_WaitEvent(&event);
2741
        switch(event.type) {
2742
        case SDL_KEYDOWN:
2743
            if (exit_on_keydown) {
2744
                do_exit();
2745
                break;
2746
            }
2747
            switch(event.key.keysym.sym) {
2748
            case SDLK_ESCAPE:
2749
            case SDLK_q:
2750
                do_exit();
2751
                break;
2752
            case SDLK_f:
2753
                toggle_full_screen();
2754
                break;
2755
            case SDLK_p:
2756
            case SDLK_SPACE:
2757
                toggle_pause();
2758
                break;
2759
            case SDLK_s: //S: Step to next frame
2760
                step_to_next_frame();
2761
                break;
2762
            case SDLK_a:
2763
                if (cur_stream)
2764
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
2765
                break;
2766
            case SDLK_v:
2767
                if (cur_stream)
2768
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
2769
                break;
2770
            case SDLK_t:
2771
                if (cur_stream)
2772
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
2773
                break;
2774
            case SDLK_w:
2775
                toggle_audio_display();
2776
                break;
2777
            case SDLK_LEFT:
2778
                incr = -10.0;
2779
                goto do_seek;
2780
            case SDLK_RIGHT:
2781
                incr = 10.0;
2782
                goto do_seek;
2783
            case SDLK_UP:
2784
                incr = 60.0;
2785
                goto do_seek;
2786
            case SDLK_DOWN:
2787
                incr = -60.0;
2788
            do_seek:
2789
                if (cur_stream) {
2790
                    if (seek_by_bytes) {
2791
                        if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2792
                            pos= cur_stream->video_current_pos;
2793
                        }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2794
                            pos= cur_stream->audio_pkt.pos;
2795
                        }else
2796
                            pos = avio_tell(cur_stream->ic->pb);
2797
                        if (cur_stream->ic->bit_rate)
2798
                            incr *= cur_stream->ic->bit_rate / 8.0;
2799
                        else
2800
                            incr *= 180000.0;
2801
                        pos += incr;
2802
                        stream_seek(cur_stream, pos, incr, 1);
2803
                    } else {
2804
                        pos = get_master_clock(cur_stream);
2805
                        pos += incr;
2806
                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
2807
                    }
2808
                }
2809
                break;
2810
            default:
2811
                break;
2812
            }
2813
            break;
2814
        case SDL_MOUSEBUTTONDOWN:
2815
            if (exit_on_mousedown) {
2816
                do_exit();
2817
                break;
2818
            }
2819
        case SDL_MOUSEMOTION:
2820
            if(event.type ==SDL_MOUSEBUTTONDOWN){
2821
                x= event.button.x;
2822
            }else{
2823
                if(event.motion.state != SDL_PRESSED)
2824
                    break;
2825
                x= event.motion.x;
2826
            }
2827
            if (cur_stream) {
2828
                if(seek_by_bytes || cur_stream->ic->duration<=0){
2829
                    uint64_t size=  avio_size(cur_stream->ic->pb);
2830
                    stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2831
                }else{
2832
                    int64_t ts;
2833
                    int ns, hh, mm, ss;
2834
                    int tns, thh, tmm, tss;
2835
                    tns = cur_stream->ic->duration/1000000LL;
2836
                    thh = tns/3600;
2837
                    tmm = (tns%3600)/60;
2838
                    tss = (tns%60);
2839
                    frac = x/cur_stream->width;
2840
                    ns = frac*tns;
2841
                    hh = ns/3600;
2842
                    mm = (ns%3600)/60;
2843
                    ss = (ns%60);
2844
                    fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d)       \n", frac*100,
2845
                            hh, mm, ss, thh, tmm, tss);
2846
                    ts = frac*cur_stream->ic->duration;
2847
                    if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2848
                        ts += cur_stream->ic->start_time;
2849
                    stream_seek(cur_stream, ts, 0, 0);
2850
                }
2851
            }
2852
            break;
2853
        case SDL_VIDEORESIZE:
2854
            if (cur_stream) {
2855
                screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
2856
                                          SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
2857
                screen_width = cur_stream->width = event.resize.w;
2858
                screen_height= cur_stream->height= event.resize.h;
2859
            }
2860
            break;
2861
        case SDL_QUIT:
2862
        case FF_QUIT_EVENT:
2863
            do_exit();
2864
            break;
2865
        case FF_ALLOC_EVENT:
2866
            video_open(event.user.data1);
2867
            alloc_picture(event.user.data1);
2868
            break;
2869
        case FF_REFRESH_EVENT:
2870
            video_refresh(event.user.data1);
2871
            cur_stream->refresh=0;
2872
            break;
2873
        default:
2874
            break;
2875
        }
2876
    }
2877
}
2878

    
2879
static void opt_frame_size(const char *arg)
2880
{
2881
    if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2882
        fprintf(stderr, "Incorrect frame size\n");
2883
        exit(1);
2884
    }
2885
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2886
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2887
        exit(1);
2888
    }
2889
}
2890

    
2891
static int opt_width(const char *opt, const char *arg)
2892
{
2893
    screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2894
    return 0;
2895
}
2896

    
2897
static int opt_height(const char *opt, const char *arg)
2898
{
2899
    screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2900
    return 0;
2901
}
2902

    
2903
static void opt_format(const char *arg)
2904
{
2905
    file_iformat = av_find_input_format(arg);
2906
    if (!file_iformat) {
2907
        fprintf(stderr, "Unknown input format: %s\n", arg);
2908
        exit(1);
2909
    }
2910
}
2911

    
2912
static void opt_frame_pix_fmt(const char *arg)
2913
{
2914
    frame_pix_fmt = av_get_pix_fmt(arg);
2915
}
2916

    
2917
static int opt_sync(const char *opt, const char *arg)
2918
{
2919
    if (!strcmp(arg, "audio"))
2920
        av_sync_type = AV_SYNC_AUDIO_MASTER;
2921
    else if (!strcmp(arg, "video"))
2922
        av_sync_type = AV_SYNC_VIDEO_MASTER;
2923
    else if (!strcmp(arg, "ext"))
2924
        av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
2925
    else {
2926
        fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
2927
        exit(1);
2928
    }
2929
    return 0;
2930
}
2931

    
2932
static int opt_seek(const char *opt, const char *arg)
2933
{
2934
    start_time = parse_time_or_die(opt, arg, 1);
2935
    return 0;
2936
}
2937

    
2938
static int opt_duration(const char *opt, const char *arg)
2939
{
2940
    duration = parse_time_or_die(opt, arg, 1);
2941
    return 0;
2942
}
2943

    
2944
static int opt_debug(const char *opt, const char *arg)
2945
{
2946
    av_log_set_level(99);
2947
    debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2948
    return 0;
2949
}
2950

    
2951
static int opt_vismv(const char *opt, const char *arg)
2952
{
2953
    debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2954
    return 0;
2955
}
2956

    
2957
static int opt_thread_count(const char *opt, const char *arg)
2958
{
2959
    thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2960
#if !HAVE_THREADS
2961
    fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2962
#endif
2963
    return 0;
2964
}
2965

    
2966
static int opt_show_mode(const char *opt, const char *arg)
2967
{
2968
    show_mode = !strcmp(arg, "video") ? SHOW_MODE_VIDEO :
2969
                !strcmp(arg, "waves") ? SHOW_MODE_WAVES :
2970
                !strcmp(arg, "rdft" ) ? SHOW_MODE_RDFT  :
2971
                parse_number_or_die(opt, arg, OPT_INT, 0, SHOW_MODE_NB-1);
2972
    return 0;
2973
}
2974

    
2975
static const OptionDef options[] = {
2976
#include "cmdutils_common_opts.h"
2977
    { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
2978
    { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
2979
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2980
    { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
2981
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2982
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2983
    { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
2984
    { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
2985
    { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
2986
    { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
2987
    { "t", HAS_ARG | OPT_FUNC2, {(void*)&opt_duration}, "play  \"duration\" seconds of audio/video", "duration" },
2988
    { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
2989
    { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
2990
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2991
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2992
    { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
2993
    { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2994
    { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
2995
    { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
2996
    { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
2997
    { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
2998
    { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
2999
    { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
3000
    { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
3001
    { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
3002
    { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
3003
    { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo",  "algo" },
3004
    { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)",  "threshold" },
3005
    { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options",  "bit_mask" },
3006
    { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
3007
    { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3008
    { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
3009
    { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
3010
    { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
3011
    { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
3012
    { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
3013
    { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
3014
#if CONFIG_AVFILTER
3015
    { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
3016
#endif
3017
    { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
3018
    { "showmode", HAS_ARG | OPT_FUNC2, {(void*)opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
3019
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3020
    { "i", OPT_DUMMY, {NULL}, "ffmpeg compatibility dummy option", ""},
3021
    { NULL, },
3022
};
3023

    
3024
static void show_usage(void)
3025
{
3026
    printf("Simple media player\n");
3027
    printf("usage: ffplay [options] input_file\n");
3028
    printf("\n");
3029
}
3030

    
3031
static void show_help(void)
3032
{
3033
    av_log_set_callback(log_callback_help);
3034
    show_usage();
3035
    show_help_options(options, "Main options:\n",
3036
                      OPT_EXPERT, 0);
3037
    show_help_options(options, "\nAdvanced options:\n",
3038
                      OPT_EXPERT, OPT_EXPERT);
3039
    printf("\n");
3040
    av_opt_show2(avcodec_opts[0], NULL,
3041
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3042
    printf("\n");
3043
    av_opt_show2(avformat_opts, NULL,
3044
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3045
#if !CONFIG_AVFILTER
3046
    printf("\n");
3047
    av_opt_show2(sws_opts, NULL,
3048
                 AV_OPT_FLAG_ENCODING_PARAM, 0);
3049
#endif
3050
    printf("\nWhile playing:\n"
3051
           "q, ESC              quit\n"
3052
           "f                   toggle full screen\n"
3053
           "p, SPC              pause\n"
3054
           "a                   cycle audio channel\n"
3055
           "v                   cycle video channel\n"
3056
           "t                   cycle subtitle channel\n"
3057
           "w                   show audio waves\n"
3058
           "s                   activate frame-step mode\n"
3059
           "left/right          seek backward/forward 10 seconds\n"
3060
           "down/up             seek backward/forward 1 minute\n"
3061
           "mouse click         seek to percentage in file corresponding to fraction of width\n"
3062
           );
3063
}
3064

    
3065
static void opt_input_file(const char *filename)
3066
{
3067
    if (input_filename) {
3068
        fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3069
                filename, input_filename);
3070
        exit(1);
3071
    }
3072
    if (!strcmp(filename, "-"))
3073
        filename = "pipe:";
3074
    input_filename = filename;
3075
}
3076

    
3077
/* Called from the main */
3078
int main(int argc, char **argv)
3079
{
3080
    int flags;
3081

    
3082
    av_log_set_flags(AV_LOG_SKIP_REPEATED);
3083

    
3084
    /* register all codecs, demux and protocols */
3085
    avcodec_register_all();
3086
#if CONFIG_AVDEVICE
3087
    avdevice_register_all();
3088
#endif
3089
#if CONFIG_AVFILTER
3090
    avfilter_register_all();
3091
#endif
3092
    av_register_all();
3093

    
3094
    init_opts();
3095

    
3096
    show_banner();
3097

    
3098
    parse_options(argc, argv, options, opt_input_file);
3099

    
3100
    if (!input_filename) {
3101
        show_usage();
3102
        fprintf(stderr, "An input file must be specified\n");
3103
        fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
3104
        exit(1);
3105
    }
3106

    
3107
    if (display_disable) {
3108
        video_disable = 1;
3109
    }
3110
    flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
3111
#if !defined(__MINGW32__) && !defined(__APPLE__)
3112
    flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
3113
#endif
3114
    if (SDL_Init (flags)) {
3115
        fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
3116
        exit(1);
3117
    }
3118

    
3119
    if (!display_disable) {
3120
#if HAVE_SDL_VIDEO_SIZE
3121
        const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3122
        fs_screen_width = vi->current_w;
3123
        fs_screen_height = vi->current_h;
3124
#endif
3125
    }
3126

    
3127
    SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
3128
    SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3129
    SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3130

    
3131
    av_init_packet(&flush_pkt);
3132
    flush_pkt.data= "FLUSH";
3133

    
3134
    cur_stream = stream_open(input_filename, file_iformat);
3135

    
3136
    event_loop();
3137

    
3138
    /* never returns */
3139

    
3140
    return 0;
3141
}