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ffmpeg / ffplay.c @ f7ead94c

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1
/*
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 * FFplay : Simple Media Player based on the FFmpeg libraries
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 * 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
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 * 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"
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#include <inttypes.h>
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#include <math.h>
27
#include <limits.h>
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#include "libavutil/avstring.h"
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#include "libavutil/colorspace.h"
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#include "libavutil/pixdesc.h"
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#include "libavcore/imgutils.h"
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#include "libavcore/parseutils.h"
33
#include "libavformat/avformat.h"
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#include "libavdevice/avdevice.h"
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#include "libswscale/swscale.h"
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#include "libavcodec/audioconvert.h"
37
#include "libavcodec/opt.h"
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#include "libavcodec/avfft.h"
39

    
40
#if CONFIG_AVFILTER
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# include "libavfilter/avfilter.h"
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# include "libavfilter/avfiltergraph.h"
43
# include "libavfilter/graphparser.h"
44
#endif
45

    
46
#include "cmdutils.h"
47

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

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

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

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

    
61
//#define DEBUG_SYNC
62

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

    
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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
70

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

    
76
#define FRAME_SKIP_FACTOR 0.05
77

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

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

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

    
87
static int sws_flags = SWS_BICUBIC;
88

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

    
98
#define VIDEO_PICTURE_QUEUE_SIZE 2
99
#define SUBPICTURE_QUEUE_SIZE 4
100

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

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

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

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

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

    
143
    int audio_stream;
144

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

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

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

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

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

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

    
210
    PtsCorrectionContext pts_ctx;
211

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

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

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

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

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

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

    
279
static AVPacket flush_pkt;
280

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

    
285
static SDL_Surface *screen;
286

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

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

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

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

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

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

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

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

    
336

    
337
    SDL_LockMutex(q->mutex);
338

    
339
    if (!q->last_pkt)
340

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

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

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

    
358
    q->abort_request = 1;
359

    
360
    SDL_CondSignal(q->cond);
361

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

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

    
371
    SDL_LockMutex(q->mutex);
372

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

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

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

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

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

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

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

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

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

    
476

    
477
#define BPP 1
478

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
776

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1001
    return 0;
1002
}
1003

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1151
    return is->frame_timer;
1152
}
1153

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

    
1160
    SubPicture *sp, *sp2;
1161

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1427
        vp->allocated = 0;
1428

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1518
    pts = pts1;
1519

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

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

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

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

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

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

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

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

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

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

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

    
1600
    }
1601
    return 0;
1602
}
1603

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1696
    priv->frame = avcodec_alloc_frame();
1697

    
1698
    return 0;
1699
}
1700

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

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

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

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

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

    
1737
    return 0;
1738
}
1739

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

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

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

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

    
1760
    return 0;
1761
}
1762

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

    
1767
    .priv_size = sizeof(FilterPriv),
1768

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

    
1772
    .query_formats = input_query_formats,
1773

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

    
1782
static int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
1783
                                    int64_t *pts, AVRational *tb, int64_t *pos)
1784
{
1785
    AVFilterBufferRef *pic;
1786

    
1787
    if(avfilter_request_frame(ctx->inputs[0]))
1788
        return -1;
1789
    if(!(pic = ctx->inputs[0]->cur_buf))
1790
        return -1;
1791
    ctx->inputs[0]->cur_buf = NULL;
1792

    
1793
    frame->opaque = pic;
1794
    *pts          = pic->pts;
1795
    *pos          = pic->pos;
1796
    *tb           = ctx->inputs[0]->time_base;
1797

    
1798
    memcpy(frame->data,     pic->data,     sizeof(frame->data));
1799
    memcpy(frame->linesize, pic->linesize, sizeof(frame->linesize));
1800

    
1801
    return 1;
1802
}
1803
#endif  /* CONFIG_AVFILTER */
1804

    
1805
static int video_thread(void *arg)
1806
{
1807
    VideoState *is = arg;
1808
    AVFrame *frame= avcodec_alloc_frame();
1809
    int64_t pts_int;
1810
    double pts;
1811
    int ret;
1812

    
1813
#if CONFIG_AVFILTER
1814
    int64_t pos;
1815
    char sws_flags_str[128];
1816
    FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
1817
    AVFilterContext *filt_src = NULL, *filt_out = NULL;
1818
    AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
1819
    snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
1820
    graph->scale_sws_opts = av_strdup(sws_flags_str);
1821

    
1822
    if (avfilter_open(&filt_src, &input_filter,  "src") < 0) goto the_end;
1823
    if (avfilter_open(&filt_out, &ffsink      ,  "out") < 0) goto the_end;
1824

    
1825
    if(avfilter_init_filter(filt_src, NULL, is))             goto the_end;
1826
    if(avfilter_init_filter(filt_out, NULL, &ffsink_ctx))    goto the_end;
1827

    
1828

    
1829
    if(vfilters) {
1830
        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1831
        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
1832

    
1833
        outputs->name    = av_strdup("in");
1834
        outputs->filter  = filt_src;
1835
        outputs->pad_idx = 0;
1836
        outputs->next    = NULL;
1837

    
1838
        inputs->name    = av_strdup("out");
1839
        inputs->filter  = filt_out;
1840
        inputs->pad_idx = 0;
1841
        inputs->next    = NULL;
1842

    
1843
        if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
1844
            goto the_end;
1845
        av_freep(&vfilters);
1846
    } else {
1847
        if(avfilter_link(filt_src, 0, filt_out, 0) < 0)          goto the_end;
1848
    }
1849
    avfilter_graph_add_filter(graph, filt_src);
1850
    avfilter_graph_add_filter(graph, filt_out);
1851

    
1852
    if(avfilter_graph_check_validity(graph, NULL))           goto the_end;
1853
    if(avfilter_graph_config_formats(graph, NULL))           goto the_end;
1854
    if(avfilter_graph_config_links(graph, NULL))             goto the_end;
1855

    
1856
    is->out_video_filter = filt_out;
1857
#endif
1858

    
1859
    for(;;) {
1860
#if !CONFIG_AVFILTER
1861
        AVPacket pkt;
1862
#else
1863
        AVRational tb;
1864
#endif
1865
        while (is->paused && !is->videoq.abort_request)
1866
            SDL_Delay(10);
1867
#if CONFIG_AVFILTER
1868
        ret = get_filtered_video_frame(filt_out, frame, &pts_int, &tb, &pos);
1869

    
1870
        if (av_cmp_q(tb, is->video_st->time_base)) {
1871
            int64_t pts1 = pts_int;
1872
            pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1873
            av_log(NULL, AV_LOG_DEBUG, "video_thread(): "
1874
                   "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1875
                   tb.num, tb.den, pts1,
1876
                   is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1877
        }
1878
#else
1879
        ret = get_video_frame(is, frame, &pts_int, &pkt);
1880
#endif
1881

    
1882
        if (ret < 0) goto the_end;
1883

    
1884
        if (!ret)
1885
            continue;
1886

    
1887
        pts = pts_int*av_q2d(is->video_st->time_base);
1888

    
1889
#if CONFIG_AVFILTER
1890
        ret = output_picture2(is, frame, pts, pos);
1891
#else
1892
        ret = output_picture2(is, frame, pts,  pkt.pos);
1893
        av_free_packet(&pkt);
1894
#endif
1895
        if (ret < 0)
1896
            goto the_end;
1897

    
1898
        if (step)
1899
            if (cur_stream)
1900
                stream_pause(cur_stream);
1901
    }
1902
 the_end:
1903
#if CONFIG_AVFILTER
1904
    avfilter_graph_destroy(graph);
1905
    av_freep(&graph);
1906
#endif
1907
    av_free(frame);
1908
    return 0;
1909
}
1910

    
1911
static int subtitle_thread(void *arg)
1912
{
1913
    VideoState *is = arg;
1914
    SubPicture *sp;
1915
    AVPacket pkt1, *pkt = &pkt1;
1916
    int len1, got_subtitle;
1917
    double pts;
1918
    int i, j;
1919
    int r, g, b, y, u, v, a;
1920

    
1921
    for(;;) {
1922
        while (is->paused && !is->subtitleq.abort_request) {
1923
            SDL_Delay(10);
1924
        }
1925
        if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1926
            break;
1927

    
1928
        if(pkt->data == flush_pkt.data){
1929
            avcodec_flush_buffers(is->subtitle_st->codec);
1930
            continue;
1931
        }
1932
        SDL_LockMutex(is->subpq_mutex);
1933
        while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1934
               !is->subtitleq.abort_request) {
1935
            SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1936
        }
1937
        SDL_UnlockMutex(is->subpq_mutex);
1938

    
1939
        if (is->subtitleq.abort_request)
1940
            goto the_end;
1941

    
1942
        sp = &is->subpq[is->subpq_windex];
1943

    
1944
       /* NOTE: ipts is the PTS of the _first_ picture beginning in
1945
           this packet, if any */
1946
        pts = 0;
1947
        if (pkt->pts != AV_NOPTS_VALUE)
1948
            pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1949

    
1950
        len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
1951
                                    &sp->sub, &got_subtitle,
1952
                                    pkt);
1953
//            if (len1 < 0)
1954
//                break;
1955
        if (got_subtitle && sp->sub.format == 0) {
1956
            sp->pts = pts;
1957

    
1958
            for (i = 0; i < sp->sub.num_rects; i++)
1959
            {
1960
                for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1961
                {
1962
                    RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1963
                    y = RGB_TO_Y_CCIR(r, g, b);
1964
                    u = RGB_TO_U_CCIR(r, g, b, 0);
1965
                    v = RGB_TO_V_CCIR(r, g, b, 0);
1966
                    YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1967
                }
1968
            }
1969

    
1970
            /* now we can update the picture count */
1971
            if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1972
                is->subpq_windex = 0;
1973
            SDL_LockMutex(is->subpq_mutex);
1974
            is->subpq_size++;
1975
            SDL_UnlockMutex(is->subpq_mutex);
1976
        }
1977
        av_free_packet(pkt);
1978
//        if (step)
1979
//            if (cur_stream)
1980
//                stream_pause(cur_stream);
1981
    }
1982
 the_end:
1983
    return 0;
1984
}
1985

    
1986
/* copy samples for viewing in editor window */
1987
static void update_sample_display(VideoState *is, short *samples, int samples_size)
1988
{
1989
    int size, len, channels;
1990

    
1991
    channels = is->audio_st->codec->channels;
1992

    
1993
    size = samples_size / sizeof(short);
1994
    while (size > 0) {
1995
        len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1996
        if (len > size)
1997
            len = size;
1998
        memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1999
        samples += len;
2000
        is->sample_array_index += len;
2001
        if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
2002
            is->sample_array_index = 0;
2003
        size -= len;
2004
    }
2005
}
2006

    
2007
/* return the new audio buffer size (samples can be added or deleted
2008
   to get better sync if video or external master clock) */
2009
static int synchronize_audio(VideoState *is, short *samples,
2010
                             int samples_size1, double pts)
2011
{
2012
    int n, samples_size;
2013
    double ref_clock;
2014

    
2015
    n = 2 * is->audio_st->codec->channels;
2016
    samples_size = samples_size1;
2017

    
2018
    /* if not master, then we try to remove or add samples to correct the clock */
2019
    if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
2020
         is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
2021
        double diff, avg_diff;
2022
        int wanted_size, min_size, max_size, nb_samples;
2023

    
2024
        ref_clock = get_master_clock(is);
2025
        diff = get_audio_clock(is) - ref_clock;
2026

    
2027
        if (diff < AV_NOSYNC_THRESHOLD) {
2028
            is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
2029
            if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
2030
                /* not enough measures to have a correct estimate */
2031
                is->audio_diff_avg_count++;
2032
            } else {
2033
                /* estimate the A-V difference */
2034
                avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
2035

    
2036
                if (fabs(avg_diff) >= is->audio_diff_threshold) {
2037
                    wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
2038
                    nb_samples = samples_size / n;
2039

    
2040
                    min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2041
                    max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
2042
                    if (wanted_size < min_size)
2043
                        wanted_size = min_size;
2044
                    else if (wanted_size > max_size)
2045
                        wanted_size = max_size;
2046

    
2047
                    /* add or remove samples to correction the synchro */
2048
                    if (wanted_size < samples_size) {
2049
                        /* remove samples */
2050
                        samples_size = wanted_size;
2051
                    } else if (wanted_size > samples_size) {
2052
                        uint8_t *samples_end, *q;
2053
                        int nb;
2054

    
2055
                        /* add samples */
2056
                        nb = (samples_size - wanted_size);
2057
                        samples_end = (uint8_t *)samples + samples_size - n;
2058
                        q = samples_end + n;
2059
                        while (nb > 0) {
2060
                            memcpy(q, samples_end, n);
2061
                            q += n;
2062
                            nb -= n;
2063
                        }
2064
                        samples_size = wanted_size;
2065
                    }
2066
                }
2067
#if 0
2068
                printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
2069
                       diff, avg_diff, samples_size - samples_size1,
2070
                       is->audio_clock, is->video_clock, is->audio_diff_threshold);
2071
#endif
2072
            }
2073
        } else {
2074
            /* too big difference : may be initial PTS errors, so
2075
               reset A-V filter */
2076
            is->audio_diff_avg_count = 0;
2077
            is->audio_diff_cum = 0;
2078
        }
2079
    }
2080

    
2081
    return samples_size;
2082
}
2083

    
2084
/* decode one audio frame and returns its uncompressed size */
2085
static int audio_decode_frame(VideoState *is, double *pts_ptr)
2086
{
2087
    AVPacket *pkt_temp = &is->audio_pkt_temp;
2088
    AVPacket *pkt = &is->audio_pkt;
2089
    AVCodecContext *dec= is->audio_st->codec;
2090
    int n, len1, data_size;
2091
    double pts;
2092

    
2093
    for(;;) {
2094
        /* NOTE: the audio packet can contain several frames */
2095
        while (pkt_temp->size > 0) {
2096
            data_size = sizeof(is->audio_buf1);
2097
            len1 = avcodec_decode_audio3(dec,
2098
                                        (int16_t *)is->audio_buf1, &data_size,
2099
                                        pkt_temp);
2100
            if (len1 < 0) {
2101
                /* if error, we skip the frame */
2102
                pkt_temp->size = 0;
2103
                break;
2104
            }
2105

    
2106
            pkt_temp->data += len1;
2107
            pkt_temp->size -= len1;
2108
            if (data_size <= 0)
2109
                continue;
2110

    
2111
            if (dec->sample_fmt != is->audio_src_fmt) {
2112
                if (is->reformat_ctx)
2113
                    av_audio_convert_free(is->reformat_ctx);
2114
                is->reformat_ctx= av_audio_convert_alloc(SAMPLE_FMT_S16, 1,
2115
                                                         dec->sample_fmt, 1, NULL, 0);
2116
                if (!is->reformat_ctx) {
2117
                    fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
2118
                        avcodec_get_sample_fmt_name(dec->sample_fmt),
2119
                        avcodec_get_sample_fmt_name(SAMPLE_FMT_S16));
2120
                        break;
2121
                }
2122
                is->audio_src_fmt= dec->sample_fmt;
2123
            }
2124

    
2125
            if (is->reformat_ctx) {
2126
                const void *ibuf[6]= {is->audio_buf1};
2127
                void *obuf[6]= {is->audio_buf2};
2128
                int istride[6]= {av_get_bits_per_sample_format(dec->sample_fmt)/8};
2129
                int ostride[6]= {2};
2130
                int len= data_size/istride[0];
2131
                if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2132
                    printf("av_audio_convert() failed\n");
2133
                    break;
2134
                }
2135
                is->audio_buf= is->audio_buf2;
2136
                /* FIXME: existing code assume that data_size equals framesize*channels*2
2137
                          remove this legacy cruft */
2138
                data_size= len*2;
2139
            }else{
2140
                is->audio_buf= is->audio_buf1;
2141
            }
2142

    
2143
            /* if no pts, then compute it */
2144
            pts = is->audio_clock;
2145
            *pts_ptr = pts;
2146
            n = 2 * dec->channels;
2147
            is->audio_clock += (double)data_size /
2148
                (double)(n * dec->sample_rate);
2149
#if defined(DEBUG_SYNC)
2150
            {
2151
                static double last_clock;
2152
                printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2153
                       is->audio_clock - last_clock,
2154
                       is->audio_clock, pts);
2155
                last_clock = is->audio_clock;
2156
            }
2157
#endif
2158
            return data_size;
2159
        }
2160

    
2161
        /* free the current packet */
2162
        if (pkt->data)
2163
            av_free_packet(pkt);
2164

    
2165
        if (is->paused || is->audioq.abort_request) {
2166
            return -1;
2167
        }
2168

    
2169
        /* read next packet */
2170
        if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2171
            return -1;
2172
        if(pkt->data == flush_pkt.data){
2173
            avcodec_flush_buffers(dec);
2174
            continue;
2175
        }
2176

    
2177
        pkt_temp->data = pkt->data;
2178
        pkt_temp->size = pkt->size;
2179

    
2180
        /* if update the audio clock with the pts */
2181
        if (pkt->pts != AV_NOPTS_VALUE) {
2182
            is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2183
        }
2184
    }
2185
}
2186

    
2187
/* get the current audio output buffer size, in samples. With SDL, we
2188
   cannot have a precise information */
2189
static int audio_write_get_buf_size(VideoState *is)
2190
{
2191
    return is->audio_buf_size - is->audio_buf_index;
2192
}
2193

    
2194

    
2195
/* prepare a new audio buffer */
2196
static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2197
{
2198
    VideoState *is = opaque;
2199
    int audio_size, len1;
2200
    double pts;
2201

    
2202
    audio_callback_time = av_gettime();
2203

    
2204
    while (len > 0) {
2205
        if (is->audio_buf_index >= is->audio_buf_size) {
2206
           audio_size = audio_decode_frame(is, &pts);
2207
           if (audio_size < 0) {
2208
                /* if error, just output silence */
2209
               is->audio_buf = is->audio_buf1;
2210
               is->audio_buf_size = 1024;
2211
               memset(is->audio_buf, 0, is->audio_buf_size);
2212
           } else {
2213
               if (is->show_audio)
2214
                   update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2215
               audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2216
                                              pts);
2217
               is->audio_buf_size = audio_size;
2218
           }
2219
           is->audio_buf_index = 0;
2220
        }
2221
        len1 = is->audio_buf_size - is->audio_buf_index;
2222
        if (len1 > len)
2223
            len1 = len;
2224
        memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2225
        len -= len1;
2226
        stream += len1;
2227
        is->audio_buf_index += len1;
2228
    }
2229
}
2230

    
2231
/* open a given stream. Return 0 if OK */
2232
static int stream_component_open(VideoState *is, int stream_index)
2233
{
2234
    AVFormatContext *ic = is->ic;
2235
    AVCodecContext *avctx;
2236
    AVCodec *codec;
2237
    SDL_AudioSpec wanted_spec, spec;
2238

    
2239
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2240
        return -1;
2241
    avctx = ic->streams[stream_index]->codec;
2242

    
2243
    /* prepare audio output */
2244
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2245
        if (avctx->channels > 0) {
2246
            avctx->request_channels = FFMIN(2, avctx->channels);
2247
        } else {
2248
            avctx->request_channels = 2;
2249
        }
2250
    }
2251

    
2252
    codec = avcodec_find_decoder(avctx->codec_id);
2253
    avctx->debug_mv = debug_mv;
2254
    avctx->debug = debug;
2255
    avctx->workaround_bugs = workaround_bugs;
2256
    avctx->lowres = lowres;
2257
    if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2258
    avctx->idct_algo= idct;
2259
    if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2260
    avctx->skip_frame= skip_frame;
2261
    avctx->skip_idct= skip_idct;
2262
    avctx->skip_loop_filter= skip_loop_filter;
2263
    avctx->error_recognition= error_recognition;
2264
    avctx->error_concealment= error_concealment;
2265
    avcodec_thread_init(avctx, thread_count);
2266

    
2267
    set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
2268

    
2269
    if (!codec ||
2270
        avcodec_open(avctx, codec) < 0)
2271
        return -1;
2272

    
2273
    /* prepare audio output */
2274
    if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2275
        wanted_spec.freq = avctx->sample_rate;
2276
        wanted_spec.format = AUDIO_S16SYS;
2277
        wanted_spec.channels = avctx->channels;
2278
        wanted_spec.silence = 0;
2279
        wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2280
        wanted_spec.callback = sdl_audio_callback;
2281
        wanted_spec.userdata = is;
2282
        if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2283
            fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2284
            return -1;
2285
        }
2286
        is->audio_hw_buf_size = spec.size;
2287
        is->audio_src_fmt= SAMPLE_FMT_S16;
2288
    }
2289

    
2290
    ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2291
    switch(avctx->codec_type) {
2292
    case AVMEDIA_TYPE_AUDIO:
2293
        is->audio_stream = stream_index;
2294
        is->audio_st = ic->streams[stream_index];
2295
        is->audio_buf_size = 0;
2296
        is->audio_buf_index = 0;
2297

    
2298
        /* init averaging filter */
2299
        is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2300
        is->audio_diff_avg_count = 0;
2301
        /* since we do not have a precise anough audio fifo fullness,
2302
           we correct audio sync only if larger than this threshold */
2303
        is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
2304

    
2305
        memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2306
        packet_queue_init(&is->audioq);
2307
        SDL_PauseAudio(0);
2308
        break;
2309
    case AVMEDIA_TYPE_VIDEO:
2310
        is->video_stream = stream_index;
2311
        is->video_st = ic->streams[stream_index];
2312

    
2313
//        is->video_current_pts_time = av_gettime();
2314

    
2315
        packet_queue_init(&is->videoq);
2316
        is->video_tid = SDL_CreateThread(video_thread, is);
2317
        break;
2318
    case AVMEDIA_TYPE_SUBTITLE:
2319
        is->subtitle_stream = stream_index;
2320
        is->subtitle_st = ic->streams[stream_index];
2321
        packet_queue_init(&is->subtitleq);
2322

    
2323
        is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2324
        break;
2325
    default:
2326
        break;
2327
    }
2328
    return 0;
2329
}
2330

    
2331
static void stream_component_close(VideoState *is, int stream_index)
2332
{
2333
    AVFormatContext *ic = is->ic;
2334
    AVCodecContext *avctx;
2335

    
2336
    if (stream_index < 0 || stream_index >= ic->nb_streams)
2337
        return;
2338
    avctx = ic->streams[stream_index]->codec;
2339

    
2340
    switch(avctx->codec_type) {
2341
    case AVMEDIA_TYPE_AUDIO:
2342
        packet_queue_abort(&is->audioq);
2343

    
2344
        SDL_CloseAudio();
2345

    
2346
        packet_queue_end(&is->audioq);
2347
        if (is->reformat_ctx)
2348
            av_audio_convert_free(is->reformat_ctx);
2349
        is->reformat_ctx = NULL;
2350
        break;
2351
    case AVMEDIA_TYPE_VIDEO:
2352
        packet_queue_abort(&is->videoq);
2353

    
2354
        /* note: we also signal this mutex to make sure we deblock the
2355
           video thread in all cases */
2356
        SDL_LockMutex(is->pictq_mutex);
2357
        SDL_CondSignal(is->pictq_cond);
2358
        SDL_UnlockMutex(is->pictq_mutex);
2359

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

    
2362
        packet_queue_end(&is->videoq);
2363
        break;
2364
    case AVMEDIA_TYPE_SUBTITLE:
2365
        packet_queue_abort(&is->subtitleq);
2366

    
2367
        /* note: we also signal this mutex to make sure we deblock the
2368
           video thread in all cases */
2369
        SDL_LockMutex(is->subpq_mutex);
2370
        is->subtitle_stream_changed = 1;
2371

    
2372
        SDL_CondSignal(is->subpq_cond);
2373
        SDL_UnlockMutex(is->subpq_mutex);
2374

    
2375
        SDL_WaitThread(is->subtitle_tid, NULL);
2376

    
2377
        packet_queue_end(&is->subtitleq);
2378
        break;
2379
    default:
2380
        break;
2381
    }
2382

    
2383
    ic->streams[stream_index]->discard = AVDISCARD_ALL;
2384
    avcodec_close(avctx);
2385
    switch(avctx->codec_type) {
2386
    case AVMEDIA_TYPE_AUDIO:
2387
        is->audio_st = NULL;
2388
        is->audio_stream = -1;
2389
        break;
2390
    case AVMEDIA_TYPE_VIDEO:
2391
        is->video_st = NULL;
2392
        is->video_stream = -1;
2393
        break;
2394
    case AVMEDIA_TYPE_SUBTITLE:
2395
        is->subtitle_st = NULL;
2396
        is->subtitle_stream = -1;
2397
        break;
2398
    default:
2399
        break;
2400
    }
2401
}
2402

    
2403
/* since we have only one decoding thread, we can use a global
2404
   variable instead of a thread local variable */
2405
static VideoState *global_video_state;
2406

    
2407
static int decode_interrupt_cb(void)
2408
{
2409
    return (global_video_state && global_video_state->abort_request);
2410
}
2411

    
2412
/* this thread gets the stream from the disk or the network */
2413
static int decode_thread(void *arg)
2414
{
2415
    VideoState *is = arg;
2416
    AVFormatContext *ic;
2417
    int err, i, ret;
2418
    int st_index[AVMEDIA_TYPE_NB];
2419
    int st_count[AVMEDIA_TYPE_NB]={0};
2420
    int st_best_packet_count[AVMEDIA_TYPE_NB];
2421
    AVPacket pkt1, *pkt = &pkt1;
2422
    AVFormatParameters params, *ap = &params;
2423
    int eof=0;
2424
    int pkt_in_play_range = 0;
2425

    
2426
    ic = avformat_alloc_context();
2427

    
2428
    memset(st_index, -1, sizeof(st_index));
2429
    memset(st_best_packet_count, -1, sizeof(st_best_packet_count));
2430
    is->video_stream = -1;
2431
    is->audio_stream = -1;
2432
    is->subtitle_stream = -1;
2433

    
2434
    global_video_state = is;
2435
    url_set_interrupt_cb(decode_interrupt_cb);
2436

    
2437
    memset(ap, 0, sizeof(*ap));
2438

    
2439
    ap->prealloced_context = 1;
2440
    ap->width = frame_width;
2441
    ap->height= frame_height;
2442
    ap->time_base= (AVRational){1, 25};
2443
    ap->pix_fmt = frame_pix_fmt;
2444

    
2445
    set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
2446

    
2447
    err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
2448
    if (err < 0) {
2449
        print_error(is->filename, err);
2450
        ret = -1;
2451
        goto fail;
2452
    }
2453
    is->ic = ic;
2454

    
2455
    if(genpts)
2456
        ic->flags |= AVFMT_FLAG_GENPTS;
2457

    
2458
    err = av_find_stream_info(ic);
2459
    if (err < 0) {
2460
        fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2461
        ret = -1;
2462
        goto fail;
2463
    }
2464
    if(ic->pb)
2465
        ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2466

    
2467
    if(seek_by_bytes<0)
2468
        seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2469

    
2470
    /* if seeking requested, we execute it */
2471
    if (start_time != AV_NOPTS_VALUE) {
2472
        int64_t timestamp;
2473

    
2474
        timestamp = start_time;
2475
        /* add the stream start time */
2476
        if (ic->start_time != AV_NOPTS_VALUE)
2477
            timestamp += ic->start_time;
2478
        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
2479
        if (ret < 0) {
2480
            fprintf(stderr, "%s: could not seek to position %0.3f\n",
2481
                    is->filename, (double)timestamp / AV_TIME_BASE);
2482
        }
2483
    }
2484

    
2485
    for(i = 0; i < ic->nb_streams; i++) {
2486
        AVStream *st= ic->streams[i];
2487
        AVCodecContext *avctx = st->codec;
2488
        ic->streams[i]->discard = AVDISCARD_ALL;
2489
        if(avctx->codec_type >= (unsigned)AVMEDIA_TYPE_NB)
2490
            continue;
2491
        if(st_count[avctx->codec_type]++ != wanted_stream[avctx->codec_type] && wanted_stream[avctx->codec_type] >= 0)
2492
            continue;
2493

    
2494
        if(st_best_packet_count[avctx->codec_type] >= st->codec_info_nb_frames)
2495
            continue;
2496
        st_best_packet_count[avctx->codec_type]= st->codec_info_nb_frames;
2497

    
2498
        switch(avctx->codec_type) {
2499
        case AVMEDIA_TYPE_AUDIO:
2500
            if (!audio_disable)
2501
                st_index[AVMEDIA_TYPE_AUDIO] = i;
2502
            break;
2503
        case AVMEDIA_TYPE_VIDEO:
2504
        case AVMEDIA_TYPE_SUBTITLE:
2505
            if (!video_disable)
2506
                st_index[avctx->codec_type] = i;
2507
            break;
2508
        default:
2509
            break;
2510
        }
2511
    }
2512
    if (show_status) {
2513
        dump_format(ic, 0, is->filename, 0);
2514
    }
2515

    
2516
    /* open the streams */
2517
    if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2518
        stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
2519
    }
2520

    
2521
    ret=-1;
2522
    if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2523
        ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
2524
    }
2525
    is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2526
    if(ret<0) {
2527
        if (!display_disable)
2528
            is->show_audio = 2;
2529
    }
2530

    
2531
    if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2532
        stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
2533
    }
2534

    
2535
    if (is->video_stream < 0 && is->audio_stream < 0) {
2536
        fprintf(stderr, "%s: could not open codecs\n", is->filename);
2537
        ret = -1;
2538
        goto fail;
2539
    }
2540

    
2541
    for(;;) {
2542
        if (is->abort_request)
2543
            break;
2544
        if (is->paused != is->last_paused) {
2545
            is->last_paused = is->paused;
2546
            if (is->paused)
2547
                is->read_pause_return= av_read_pause(ic);
2548
            else
2549
                av_read_play(ic);
2550
        }
2551
#if CONFIG_RTSP_DEMUXER
2552
        if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2553
            /* wait 10 ms to avoid trying to get another packet */
2554
            /* XXX: horrible */
2555
            SDL_Delay(10);
2556
            continue;
2557
        }
2558
#endif
2559
        if (is->seek_req) {
2560
            int64_t seek_target= is->seek_pos;
2561
            int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2562
            int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2563
//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2564
//      of the seek_pos/seek_rel variables
2565

    
2566
            ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2567
            if (ret < 0) {
2568
                fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2569
            }else{
2570
                if (is->audio_stream >= 0) {
2571
                    packet_queue_flush(&is->audioq);
2572
                    packet_queue_put(&is->audioq, &flush_pkt);
2573
                }
2574
                if (is->subtitle_stream >= 0) {
2575
                    packet_queue_flush(&is->subtitleq);
2576
                    packet_queue_put(&is->subtitleq, &flush_pkt);
2577
                }
2578
                if (is->video_stream >= 0) {
2579
                    packet_queue_flush(&is->videoq);
2580
                    packet_queue_put(&is->videoq, &flush_pkt);
2581
                }
2582
            }
2583
            is->seek_req = 0;
2584
            eof= 0;
2585
        }
2586

    
2587
        /* if the queue are full, no need to read more */
2588
        if (   is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2589
            || (   (is->audioq   .size  > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2590
                && (is->videoq   .nb_packets > MIN_FRAMES || is->video_stream<0)
2591
                && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2592
            /* wait 10 ms */
2593
            SDL_Delay(10);
2594
            continue;
2595
        }
2596
        if(eof) {
2597
            if(is->video_stream >= 0){
2598
                av_init_packet(pkt);
2599
                pkt->data=NULL;
2600
                pkt->size=0;
2601
                pkt->stream_index= is->video_stream;
2602
                packet_queue_put(&is->videoq, pkt);
2603
            }
2604
            SDL_Delay(10);
2605
            if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2606
                if(loop!=1 && (!loop || --loop)){
2607
                    stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2608
                }else if(autoexit){
2609
                    ret=AVERROR_EOF;
2610
                    goto fail;
2611
                }
2612
            }
2613
            continue;
2614
        }
2615
        ret = av_read_frame(ic, pkt);
2616
        if (ret < 0) {
2617
            if (ret == AVERROR_EOF || url_feof(ic->pb))
2618
                eof=1;
2619
            if (url_ferror(ic->pb))
2620
                break;
2621
            SDL_Delay(100); /* wait for user event */
2622
            continue;
2623
        }
2624
        /* check if packet is in play range specified by user, then queue, otherwise discard */
2625
        pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2626
                (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2627
                av_q2d(ic->streams[pkt->stream_index]->time_base) -
2628
                (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2629
                <= ((double)duration/1000000);
2630
        if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
2631
            packet_queue_put(&is->audioq, pkt);
2632
        } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
2633
            packet_queue_put(&is->videoq, pkt);
2634
        } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
2635
            packet_queue_put(&is->subtitleq, pkt);
2636
        } else {
2637
            av_free_packet(pkt);
2638
        }
2639
    }
2640
    /* wait until the end */
2641
    while (!is->abort_request) {
2642
        SDL_Delay(100);
2643
    }
2644

    
2645
    ret = 0;
2646
 fail:
2647
    /* disable interrupting */
2648
    global_video_state = NULL;
2649

    
2650
    /* close each stream */
2651
    if (is->audio_stream >= 0)
2652
        stream_component_close(is, is->audio_stream);
2653
    if (is->video_stream >= 0)
2654
        stream_component_close(is, is->video_stream);
2655
    if (is->subtitle_stream >= 0)
2656
        stream_component_close(is, is->subtitle_stream);
2657
    if (is->ic) {
2658
        av_close_input_file(is->ic);
2659
        is->ic = NULL; /* safety */
2660
    }
2661
    url_set_interrupt_cb(NULL);
2662

    
2663
    if (ret != 0) {
2664
        SDL_Event event;
2665

    
2666
        event.type = FF_QUIT_EVENT;
2667
        event.user.data1 = is;
2668
        SDL_PushEvent(&event);
2669
    }
2670
    return 0;
2671
}
2672

    
2673
static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2674
{
2675
    VideoState *is;
2676

    
2677
    is = av_mallocz(sizeof(VideoState));
2678
    if (!is)
2679
        return NULL;
2680
    av_strlcpy(is->filename, filename, sizeof(is->filename));
2681
    is->iformat = iformat;
2682
    is->ytop = 0;
2683
    is->xleft = 0;
2684

    
2685
    /* start video display */
2686
    is->pictq_mutex = SDL_CreateMutex();
2687
    is->pictq_cond = SDL_CreateCond();
2688

    
2689
    is->subpq_mutex = SDL_CreateMutex();
2690
    is->subpq_cond = SDL_CreateCond();
2691

    
2692
    is->av_sync_type = av_sync_type;
2693
    is->parse_tid = SDL_CreateThread(decode_thread, is);
2694
    if (!is->parse_tid) {
2695
        av_free(is);
2696
        return NULL;
2697
    }
2698
    return is;
2699
}
2700

    
2701
static void stream_cycle_channel(VideoState *is, int codec_type)
2702
{
2703
    AVFormatContext *ic = is->ic;
2704
    int start_index, stream_index;
2705
    AVStream *st;
2706

    
2707
    if (codec_type == AVMEDIA_TYPE_VIDEO)
2708
        start_index = is->video_stream;
2709
    else if (codec_type == AVMEDIA_TYPE_AUDIO)
2710
        start_index = is->audio_stream;
2711
    else
2712
        start_index = is->subtitle_stream;
2713
    if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
2714
        return;
2715
    stream_index = start_index;
2716
    for(;;) {
2717
        if (++stream_index >= is->ic->nb_streams)
2718
        {
2719
            if (codec_type == AVMEDIA_TYPE_SUBTITLE)
2720
            {
2721
                stream_index = -1;
2722
                goto the_end;
2723
            } else
2724
                stream_index = 0;
2725
        }
2726
        if (stream_index == start_index)
2727
            return;
2728
        st = ic->streams[stream_index];
2729
        if (st->codec->codec_type == codec_type) {
2730
            /* check that parameters are OK */
2731
            switch(codec_type) {
2732
            case AVMEDIA_TYPE_AUDIO:
2733
                if (st->codec->sample_rate != 0 &&
2734
                    st->codec->channels != 0)
2735
                    goto the_end;
2736
                break;
2737
            case AVMEDIA_TYPE_VIDEO:
2738
            case AVMEDIA_TYPE_SUBTITLE:
2739
                goto the_end;
2740
            default:
2741
                break;
2742
            }
2743
        }
2744
    }
2745
 the_end:
2746
    stream_component_close(is, start_index);
2747
    stream_component_open(is, stream_index);
2748
}
2749

    
2750

    
2751
static void toggle_full_screen(void)
2752
{
2753
    is_full_screen = !is_full_screen;
2754
    if (!fs_screen_width) {
2755
        /* use default SDL method */
2756
//        SDL_WM_ToggleFullScreen(screen);
2757
    }
2758
    video_open(cur_stream);
2759
}
2760

    
2761
static void toggle_pause(void)
2762
{
2763
    if (cur_stream)
2764
        stream_pause(cur_stream);
2765
    step = 0;
2766
}
2767

    
2768
static void step_to_next_frame(void)
2769
{
2770
    if (cur_stream) {
2771
        /* if the stream is paused unpause it, then step */
2772
        if (cur_stream->paused)
2773
            stream_pause(cur_stream);
2774
    }
2775
    step = 1;
2776
}
2777

    
2778
static void toggle_audio_display(void)
2779
{
2780
    if (cur_stream) {
2781
        int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2782
        cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
2783
        fill_rectangle(screen,
2784
                    cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2785
                    bgcolor);
2786
        SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
2787
    }
2788
}
2789

    
2790
/* handle an event sent by the GUI */
2791
static void event_loop(void)
2792
{
2793
    SDL_Event event;
2794
    double incr, pos, frac;
2795

    
2796
    for(;;) {
2797
        double x;
2798
        SDL_WaitEvent(&event);
2799
        switch(event.type) {
2800
        case SDL_KEYDOWN:
2801
            if (exit_on_keydown) {
2802
                do_exit();
2803
                break;
2804
            }
2805
            switch(event.key.keysym.sym) {
2806
            case SDLK_ESCAPE:
2807
            case SDLK_q:
2808
                do_exit();
2809
                break;
2810
            case SDLK_f:
2811
                toggle_full_screen();
2812
                break;
2813
            case SDLK_p:
2814
            case SDLK_SPACE:
2815
                toggle_pause();
2816
                break;
2817
            case SDLK_s: //S: Step to next frame
2818
                step_to_next_frame();
2819
                break;
2820
            case SDLK_a:
2821
                if (cur_stream)
2822
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
2823
                break;
2824
            case SDLK_v:
2825
                if (cur_stream)
2826
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
2827
                break;
2828
            case SDLK_t:
2829
                if (cur_stream)
2830
                    stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
2831
                break;
2832
            case SDLK_w:
2833
                toggle_audio_display();
2834
                break;
2835
            case SDLK_LEFT:
2836
                incr = -10.0;
2837
                goto do_seek;
2838
            case SDLK_RIGHT:
2839
                incr = 10.0;
2840
                goto do_seek;
2841
            case SDLK_UP:
2842
                incr = 60.0;
2843
                goto do_seek;
2844
            case SDLK_DOWN:
2845
                incr = -60.0;
2846
            do_seek:
2847
                if (cur_stream) {
2848
                    if (seek_by_bytes) {
2849
                        if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2850
                            pos= cur_stream->video_current_pos;
2851
                        }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2852
                            pos= cur_stream->audio_pkt.pos;
2853
                        }else
2854
                            pos = url_ftell(cur_stream->ic->pb);
2855
                        if (cur_stream->ic->bit_rate)
2856
                            incr *= cur_stream->ic->bit_rate / 8.0;
2857
                        else
2858
                            incr *= 180000.0;
2859
                        pos += incr;
2860
                        stream_seek(cur_stream, pos, incr, 1);
2861
                    } else {
2862
                        pos = get_master_clock(cur_stream);
2863
                        pos += incr;
2864
                        stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
2865
                    }
2866
                }
2867
                break;
2868
            default:
2869
                break;
2870
            }
2871
            break;
2872
        case SDL_MOUSEBUTTONDOWN:
2873
            if (exit_on_mousedown) {
2874
                do_exit();
2875
                break;
2876
            }
2877
        case SDL_MOUSEMOTION:
2878
            if(event.type ==SDL_MOUSEBUTTONDOWN){
2879
                x= event.button.x;
2880
            }else{
2881
                if(event.motion.state != SDL_PRESSED)
2882
                    break;
2883
                x= event.motion.x;
2884
            }
2885
            if (cur_stream) {
2886
                if(seek_by_bytes || cur_stream->ic->duration<=0){
2887
                    uint64_t size=  url_fsize(cur_stream->ic->pb);
2888
                    stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2889
                }else{
2890
                    int64_t ts;
2891
                    int ns, hh, mm, ss;
2892
                    int tns, thh, tmm, tss;
2893
                    tns = cur_stream->ic->duration/1000000LL;
2894
                    thh = tns/3600;
2895
                    tmm = (tns%3600)/60;
2896
                    tss = (tns%60);
2897
                    frac = x/cur_stream->width;
2898
                    ns = frac*tns;
2899
                    hh = ns/3600;
2900
                    mm = (ns%3600)/60;
2901
                    ss = (ns%60);
2902
                    fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d)       \n", frac*100,
2903
                            hh, mm, ss, thh, tmm, tss);
2904
                    ts = frac*cur_stream->ic->duration;
2905
                    if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2906
                        ts += cur_stream->ic->start_time;
2907
                    stream_seek(cur_stream, ts, 0, 0);
2908
                }
2909
            }
2910
            break;
2911
        case SDL_VIDEORESIZE:
2912
            if (cur_stream) {
2913
                screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
2914
                                          SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
2915
                screen_width = cur_stream->width = event.resize.w;
2916
                screen_height= cur_stream->height= event.resize.h;
2917
            }
2918
            break;
2919
        case SDL_QUIT:
2920
        case FF_QUIT_EVENT:
2921
            do_exit();
2922
            break;
2923
        case FF_ALLOC_EVENT:
2924
            video_open(event.user.data1);
2925
            alloc_picture(event.user.data1);
2926
            break;
2927
        case FF_REFRESH_EVENT:
2928
            video_refresh_timer(event.user.data1);
2929
            cur_stream->refresh=0;
2930
            break;
2931
        default:
2932
            break;
2933
        }
2934
    }
2935
}
2936

    
2937
static void opt_frame_size(const char *arg)
2938
{
2939
    if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2940
        fprintf(stderr, "Incorrect frame size\n");
2941
        exit(1);
2942
    }
2943
    if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2944
        fprintf(stderr, "Frame size must be a multiple of 2\n");
2945
        exit(1);
2946
    }
2947
}
2948

    
2949
static int opt_width(const char *opt, const char *arg)
2950
{
2951
    screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2952
    return 0;
2953
}
2954

    
2955
static int opt_height(const char *opt, const char *arg)
2956
{
2957
    screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2958
    return 0;
2959
}
2960

    
2961
static void opt_format(const char *arg)
2962
{
2963
    file_iformat = av_find_input_format(arg);
2964
    if (!file_iformat) {
2965
        fprintf(stderr, "Unknown input format: %s\n", arg);
2966
        exit(1);
2967
    }
2968
}
2969

    
2970
static void opt_frame_pix_fmt(const char *arg)
2971
{
2972
    frame_pix_fmt = av_get_pix_fmt(arg);
2973
}
2974

    
2975
static int opt_sync(const char *opt, const char *arg)
2976
{
2977
    if (!strcmp(arg, "audio"))
2978
        av_sync_type = AV_SYNC_AUDIO_MASTER;
2979
    else if (!strcmp(arg, "video"))
2980
        av_sync_type = AV_SYNC_VIDEO_MASTER;
2981
    else if (!strcmp(arg, "ext"))
2982
        av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
2983
    else {
2984
        fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
2985
        exit(1);
2986
    }
2987
    return 0;
2988
}
2989

    
2990
static int opt_seek(const char *opt, const char *arg)
2991
{
2992
    start_time = parse_time_or_die(opt, arg, 1);
2993
    return 0;
2994
}
2995

    
2996
static int opt_duration(const char *opt, const char *arg)
2997
{
2998
    duration = parse_time_or_die(opt, arg, 1);
2999
    return 0;
3000
}
3001

    
3002
static int opt_debug(const char *opt, const char *arg)
3003
{
3004
    av_log_set_level(99);
3005
    debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3006
    return 0;
3007
}
3008

    
3009
static int opt_vismv(const char *opt, const char *arg)
3010
{
3011
    debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
3012
    return 0;
3013
}
3014

    
3015
static int opt_thread_count(const char *opt, const char *arg)
3016
{
3017
    thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3018
#if !HAVE_THREADS
3019
    fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
3020
#endif
3021
    return 0;
3022
}
3023

    
3024
static const OptionDef options[] = {
3025
#include "cmdutils_common_opts.h"
3026
    { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
3027
    { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
3028
    { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3029
    { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
3030
    { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
3031
    { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
3032
    { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
3033
    { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
3034
    { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
3035
    { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
3036
    { "t", HAS_ARG | OPT_FUNC2, {(void*)&opt_duration}, "play  \"duration\" seconds of audio/video", "duration" },
3037
    { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
3038
    { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
3039
    { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3040
    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3041
    { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
3042
    { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
3043
    { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
3044
    { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
3045
    { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
3046
    { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
3047
    { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
3048
    { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
3049
    { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
3050
    { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
3051
    { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
3052
    { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo",  "algo" },
3053
    { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)",  "threshold" },
3054
    { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options",  "bit_mask" },
3055
    { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
3056
    { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3057
    { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
3058
    { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
3059
    { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
3060
    { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
3061
    { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
3062
    { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
3063
#if CONFIG_AVFILTER
3064
    { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
3065
#endif
3066
    { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
3067
    { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3068
    { NULL, },
3069
};
3070

    
3071
static void show_usage(void)
3072
{
3073
    printf("Simple media player\n");
3074
    printf("usage: ffplay [options] input_file\n");
3075
    printf("\n");
3076
}
3077

    
3078
static void show_help(void)
3079
{
3080
    av_log_set_callback(log_callback_help);
3081
    show_usage();
3082
    show_help_options(options, "Main options:\n",
3083
                      OPT_EXPERT, 0);
3084
    show_help_options(options, "\nAdvanced options:\n",
3085
                      OPT_EXPERT, OPT_EXPERT);
3086
    printf("\n");
3087
    av_opt_show2(avcodec_opts[0], NULL,
3088
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3089
    printf("\n");
3090
    av_opt_show2(avformat_opts, NULL,
3091
                 AV_OPT_FLAG_DECODING_PARAM, 0);
3092
#if !CONFIG_AVFILTER
3093
    printf("\n");
3094
    av_opt_show2(sws_opts, NULL,
3095
                 AV_OPT_FLAG_ENCODING_PARAM, 0);
3096
#endif
3097
    printf("\nWhile playing:\n"
3098
           "q, ESC              quit\n"
3099
           "f                   toggle full screen\n"
3100
           "p, SPC              pause\n"
3101
           "a                   cycle audio channel\n"
3102
           "v                   cycle video channel\n"
3103
           "t                   cycle subtitle channel\n"
3104
           "w                   show audio waves\n"
3105
           "s                   activate frame-step mode\n"
3106
           "left/right          seek backward/forward 10 seconds\n"
3107
           "down/up             seek backward/forward 1 minute\n"
3108
           "mouse click         seek to percentage in file corresponding to fraction of width\n"
3109
           );
3110
}
3111

    
3112
static void opt_input_file(const char *filename)
3113
{
3114
    if (input_filename) {
3115
        fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3116
                filename, input_filename);
3117
        exit(1);
3118
    }
3119
    if (!strcmp(filename, "-"))
3120
        filename = "pipe:";
3121
    input_filename = filename;
3122
}
3123

    
3124
/* Called from the main */
3125
int main(int argc, char **argv)
3126
{
3127
    int flags;
3128

    
3129
    av_log_set_flags(AV_LOG_SKIP_REPEATED);
3130

    
3131
    /* register all codecs, demux and protocols */
3132
    avcodec_register_all();
3133
#if CONFIG_AVDEVICE
3134
    avdevice_register_all();
3135
#endif
3136
#if CONFIG_AVFILTER
3137
    avfilter_register_all();
3138
#endif
3139
    av_register_all();
3140

    
3141
    init_opts();
3142

    
3143
    show_banner();
3144

    
3145
    parse_options(argc, argv, options, opt_input_file);
3146

    
3147
    if (!input_filename) {
3148
        show_usage();
3149
        fprintf(stderr, "An input file must be specified\n");
3150
        fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
3151
        exit(1);
3152
    }
3153

    
3154
    if (display_disable) {
3155
        video_disable = 1;
3156
    }
3157
    flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
3158
#if !defined(__MINGW32__) && !defined(__APPLE__)
3159
    flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
3160
#endif
3161
    if (SDL_Init (flags)) {
3162
        fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
3163
        exit(1);
3164
    }
3165

    
3166
    if (!display_disable) {
3167
#if HAVE_SDL_VIDEO_SIZE
3168
        const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3169
        fs_screen_width = vi->current_w;
3170
        fs_screen_height = vi->current_h;
3171
#endif
3172
    }
3173

    
3174
    SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
3175
    SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3176
    SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3177

    
3178
    av_init_packet(&flush_pkt);
3179
    flush_pkt.data= "FLUSH";
3180

    
3181
    cur_stream = stream_open(input_filename, file_iformat);
3182

    
3183
    event_loop();
3184

    
3185
    /* never returns */
3186

    
3187
    return 0;
3188
}