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Make rdft speed user configureable.
[libav.git] / ffplay.c
CommitLineData
01310af2 1/*
f05ef45c 2 * FFplay : Simple Media Player based on the FFmpeg libraries
01310af2
FB		 3 * Copyright (c) 2003 Fabrice Bellard
4 *
b78e7197
DB		 5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
01310af2
FB		 8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
b78e7197 10 * version 2.1 of the License, or (at your option) any later version.
01310af2 11 *
b78e7197 12 * FFmpeg is distributed in the hope that it will be useful,
01310af2
FB		 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
b78e7197 18 * License along with FFmpeg; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
01310af2 20 */
364a9607 21
ba11257e 22#include "config.h"
8a3ceaf4 23#include <inttypes.h>
0f4e8165
RB		 24#include <math.h>
25#include <limits.h>
245976da 26#include "libavutil/avstring.h"
718c7b18 27#include "libavutil/pixdesc.h"
245976da 28#include "libavformat/avformat.h"
245976da
DB		 29#include "libavdevice/avdevice.h"
30#include "libswscale/swscale.h"
5a4476e2 31#include "libavcodec/audioconvert.h"
a7e6312b 32#include "libavcodec/colorspace.h"
e43d7a18 33#include "libavcodec/opt.h"
166621ab 34#include "libavcodec/avfft.h"
01310af2 35
917d2bb3
MN		 36#if CONFIG_AVFILTER
37# include "libavfilter/avfilter.h"
38# include "libavfilter/avfiltergraph.h"
39# include "libavfilter/graphparser.h"
40#endif
41
01310af2
FB		 42#include "cmdutils.h"
43
44#include <SDL.h>
45#include <SDL_thread.h>
46
2f30a81d 47#ifdef __MINGW32__
31319a8c
FB		 48#undef main /* We don't want SDL to override our main() */
49#endif
50
d38c9e7a
MN		 51#include <unistd.h>
52#include <assert.h>
53
64555bd9 54const char program_name[] = "FFplay";
ea9c581f 55const int program_birth_year = 2003;
4cfac5bc 56
638c9d91
FB		 57//#define DEBUG_SYNC
58
79ee4683
MN		 59#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
60#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
61#define MIN_FRAMES 5
01310af2 62
638c9d91
FB		 63/* SDL audio buffer size, in samples. Should be small to have precise
64 A/V sync as SDL does not have hardware buffer fullness info. */
65#define SDL_AUDIO_BUFFER_SIZE 1024
66
67/* no AV sync correction is done if below the AV sync threshold */
7e0140cb 68#define AV_SYNC_THRESHOLD 0.01
638c9d91
FB		 69/* no AV correction is done if too big error */
70#define AV_NOSYNC_THRESHOLD 10.0
71
d38c9e7a
MN		 72#define FRAME_SKIP_FACTOR 0.05
73
638c9d91
FB		 74/* maximum audio speed change to get correct sync */
75#define SAMPLE_CORRECTION_PERCENT_MAX 10
76
77/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
78#define AUDIO_DIFF_AVG_NB 20
79
01310af2
FB		 80/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
81#define SAMPLE_ARRAY_SIZE (2*65536)
82
917d2bb3 83#if !CONFIG_AVFILTER
03ae87a3 84static int sws_flags = SWS_BICUBIC;
917d2bb3 85#endif
03ae87a3 86
01310af2
FB		 87typedef struct PacketQueue {
88 AVPacketList *first_pkt, *last_pkt;
89 int nb_packets;
90 int size;
91 int abort_request;
92 SDL_mutex *mutex;
93 SDL_cond *cond;
94} PacketQueue;
95
562f382c 96#define VIDEO_PICTURE_QUEUE_SIZE 2
72ce053b 97#define SUBPICTURE_QUEUE_SIZE 4
01310af2
FB		 98
99typedef struct VideoPicture {
267e9dfa 100 double pts; ///<presentation time stamp for this picture
d38c9e7a 101 double target_clock; ///<av_gettime() time at which this should be displayed ideally
1a620dd7 102 int64_t pos; ///<byte position in file
01310af2
FB		 103 SDL_Overlay *bmp;
104 int width, height; /* source height & width */
105 int allocated;
917d2bb3
MN		 106 enum PixelFormat pix_fmt;
107
108#if CONFIG_AVFILTER
109 AVFilterPicRef *picref;
110#endif
01310af2
FB		 111} VideoPicture;
112
72ce053b
IC		 113typedef struct SubPicture {
114 double pts; /* presentation time stamp for this picture */
115 AVSubtitle sub;
116} SubPicture;
117
01310af2
FB		 118enum {
119 AV_SYNC_AUDIO_MASTER, /* default choice */
120 AV_SYNC_VIDEO_MASTER,
638c9d91 121 AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
01310af2
FB		 122};
123
124typedef struct VideoState {
125 SDL_Thread *parse_tid;
126 SDL_Thread *video_tid;
d38c9e7a 127 SDL_Thread *refresh_tid;
638c9d91 128 AVInputFormat *iformat;
01310af2
FB		 129 int no_background;
130 int abort_request;
131 int paused;
416e3508 132 int last_paused;
72ea344b 133 int seek_req;
3ba1438d 134 int seek_flags;
72ea344b 135 int64_t seek_pos;
4ed29207 136 int64_t seek_rel;
f5668147 137 int read_pause_return;
01310af2
FB		 138 AVFormatContext *ic;
139 int dtg_active_format;
140
141 int audio_stream;
115329f1 142
01310af2 143 int av_sync_type;
638c9d91
FB		 144 double external_clock; /* external clock base */
145 int64_t external_clock_time;
115329f1 146
638c9d91
FB		 147 double audio_clock;
148 double audio_diff_cum; /* used for AV difference average computation */
149 double audio_diff_avg_coef;
150 double audio_diff_threshold;
151 int audio_diff_avg_count;
01310af2
FB		 152 AVStream *audio_st;
153 PacketQueue audioq;
154 int audio_hw_buf_size;
155 /* samples output by the codec. we reserve more space for avsync
156 compensation */
c6727809
MR		 157 DECLARE_ALIGNED(16,uint8_t,audio_buf1)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
158 DECLARE_ALIGNED(16,uint8_t,audio_buf2)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
5a4476e2 159 uint8_t *audio_buf;
7fea94ce 160 unsigned int audio_buf_size; /* in bytes */
01310af2 161 int audio_buf_index; /* in bytes */
bea18375 162 AVPacket audio_pkt_temp;
01310af2 163 AVPacket audio_pkt;
5a4476e2
PR		 164 enum SampleFormat audio_src_fmt;
165 AVAudioConvert *reformat_ctx;
115329f1 166
01310af2
FB		 167 int show_audio; /* if true, display audio samples */
168 int16_t sample_array[SAMPLE_ARRAY_SIZE];
169 int sample_array_index;
5e0257e3 170 int last_i_start;
166621ab 171 RDFTContext *rdft;
12eeda34
MN		 172 int rdft_bits;
173 int xpos;
115329f1 174
72ce053b
IC		 175 SDL_Thread *subtitle_tid;
176 int subtitle_stream;
177 int subtitle_stream_changed;
178 AVStream *subtitle_st;
179 PacketQueue subtitleq;
180 SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
181 int subpq_size, subpq_rindex, subpq_windex;
182 SDL_mutex *subpq_mutex;
183 SDL_cond *subpq_cond;
115329f1 184
638c9d91
FB		 185 double frame_timer;
186 double frame_last_pts;
187 double frame_last_delay;
115329f1 188 double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame
01310af2
FB		 189 int video_stream;
190 AVStream *video_st;
191 PacketQueue videoq;
267e9dfa 192 double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
68aefbe8 193 double video_current_pts_drift; ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
1a620dd7 194 int64_t video_current_pos; ///<current displayed file pos
01310af2
FB		 195 VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
196 int pictq_size, pictq_rindex, pictq_windex;
197 SDL_mutex *pictq_mutex;
198 SDL_cond *pictq_cond;
917d2bb3 199#if !CONFIG_AVFILTER
3ac56e28 200 struct SwsContext *img_convert_ctx;
917d2bb3 201#endif
115329f1 202
01310af2
FB		 203 // QETimer *video_timer;
204 char filename[1024];
205 int width, height, xleft, ytop;
41db429d
MN		 206
207 int64_t faulty_pts;
208 int64_t faulty_dts;
209 int64_t last_dts_for_fault_detection;
210 int64_t last_pts_for_fault_detection;
211
917d2bb3
MN		 212#if CONFIG_AVFILTER
213 AVFilterContext *out_video_filter; ///<the last filter in the video chain
214#endif
d38c9e7a
MN		 215
216 float skip_frames;
217 float skip_frames_index;
218 int refresh;
01310af2
FB		 219} VideoState;
220
358061f6 221static void show_help(void);
638c9d91 222static int audio_write_get_buf_size(VideoState *is);
01310af2
FB		 223
224/* options specified by the user */
225static AVInputFormat *file_iformat;
226static const char *input_filename;
227static int fs_screen_width;
228static int fs_screen_height;
fccb19e3
MN		 229static int screen_width = 0;
230static int screen_height = 0;
e4b89522
LW		 231static int frame_width = 0;
232static int frame_height = 0;
233static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
01310af2
FB		 234static int audio_disable;
235static int video_disable;
5b369983 236static int wanted_stream[CODEC_TYPE_NB]={
9f7490a0
MN		 237 [CODEC_TYPE_AUDIO]=-1,
238 [CODEC_TYPE_VIDEO]=-1,
5b369983
MN		 239 [CODEC_TYPE_SUBTITLE]=-1,
240};
70a4764d 241static int seek_by_bytes=-1;
01310af2 242static int display_disable;
1e1a0b18 243static int show_status = 1;
638c9d91 244static int av_sync_type = AV_SYNC_AUDIO_MASTER;
72ea344b 245static int64_t start_time = AV_NOPTS_VALUE;
e26a8335 246static int debug = 0;
0c9bbaec 247static int debug_mv = 0;
bba04f1e 248static int step = 0;
c62c07d3 249static int thread_count = 1;
6387c3e6 250static int workaround_bugs = 1;
6fc5b059 251static int fast = 0;
30bc6613 252static int genpts = 0;
178fcca8
MN		 253static int lowres = 0;
254static int idct = FF_IDCT_AUTO;
8c3eba7c
MN		 255static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
256static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
257static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
047599a4 258static int error_recognition = FF_ER_CAREFUL;
1b51e051 259static int error_concealment = 3;
41db429d 260static int decoder_reorder_pts= -1;
2d1653b0 261static int autoexit;
d38c9e7a 262static int framedrop=1;
2b3da32f
MN		 263
264static int rdftspeed=20;
917d2bb3
MN		 265#if CONFIG_AVFILTER
266static char *vfilters = NULL;
267#endif
01310af2
FB		 268
269/* current context */
270static int is_full_screen;
271static VideoState *cur_stream;
5e0257e3 272static int64_t audio_callback_time;
01310af2 273
2c676c33 274static AVPacket flush_pkt;
39c6a118 275
01310af2
FB		 276#define FF_ALLOC_EVENT (SDL_USEREVENT)
277#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
638c9d91 278#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
01310af2 279
2c676c33 280static SDL_Surface *screen;
01310af2 281
515bd00e
MN		 282static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
283
01310af2
FB		 284/* packet queue handling */
285static void packet_queue_init(PacketQueue *q)
286{
287 memset(q, 0, sizeof(PacketQueue));
288 q->mutex = SDL_CreateMutex();
289 q->cond = SDL_CreateCond();
515bd00e 290 packet_queue_put(q, &flush_pkt);
01310af2
FB		 291}
292
72ea344b 293static void packet_queue_flush(PacketQueue *q)
01310af2
FB		 294{
295 AVPacketList *pkt, *pkt1;
296
687fae2b 297 SDL_LockMutex(q->mutex);
01310af2
FB		 298 for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
299 pkt1 = pkt->next;
300 av_free_packet(&pkt->pkt);
da6c4573 301 av_freep(&pkt);
01310af2 302 }
72ea344b
FB		 303 q->last_pkt = NULL;
304 q->first_pkt = NULL;
305 q->nb_packets = 0;
306 q->size = 0;
687fae2b 307 SDL_UnlockMutex(q->mutex);
72ea344b
FB		 308}
309
310static void packet_queue_end(PacketQueue *q)
311{
312 packet_queue_flush(q);
01310af2
FB		 313 SDL_DestroyMutex(q->mutex);
314 SDL_DestroyCond(q->cond);
315}
316
317static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
318{
319 AVPacketList *pkt1;
320
72ea344b 321 /* duplicate the packet */
39c6a118 322 if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
72ea344b 323 return -1;
115329f1 324
01310af2
FB		 325 pkt1 = av_malloc(sizeof(AVPacketList));
326 if (!pkt1)
327 return -1;
328 pkt1->pkt = *pkt;
329 pkt1->next = NULL;
330
72ea344b 331
01310af2
FB		 332 SDL_LockMutex(q->mutex);
333
334 if (!q->last_pkt)
335
336 q->first_pkt = pkt1;
337 else
338 q->last_pkt->next = pkt1;
339 q->last_pkt = pkt1;
340 q->nb_packets++;
7b776589 341 q->size += pkt1->pkt.size + sizeof(*pkt1);
01310af2
FB		 342 /* XXX: should duplicate packet data in DV case */
343 SDL_CondSignal(q->cond);
344
345 SDL_UnlockMutex(q->mutex);
346 return 0;
347}
348
349static void packet_queue_abort(PacketQueue *q)
350{
351 SDL_LockMutex(q->mutex);
352
353 q->abort_request = 1;
115329f1 354
01310af2
FB		 355 SDL_CondSignal(q->cond);
356
357 SDL_UnlockMutex(q->mutex);
358}
359
360/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
361static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
362{
363 AVPacketList *pkt1;
364 int ret;
365
366 SDL_LockMutex(q->mutex);
367
368 for(;;) {
369 if (q->abort_request) {
370 ret = -1;
371 break;
372 }
115329f1 373
01310af2
FB		 374 pkt1 = q->first_pkt;
375 if (pkt1) {
376 q->first_pkt = pkt1->next;
377 if (!q->first_pkt)
378 q->last_pkt = NULL;
379 q->nb_packets--;
7b776589 380 q->size -= pkt1->pkt.size + sizeof(*pkt1);
01310af2
FB		 381 *pkt = pkt1->pkt;
382 av_free(pkt1);
383 ret = 1;
384 break;
385 } else if (!block) {
386 ret = 0;
387 break;
388 } else {
389 SDL_CondWait(q->cond, q->mutex);
390 }
391 }
392 SDL_UnlockMutex(q->mutex);
393 return ret;
394}
395
115329f1 396static inline void fill_rectangle(SDL_Surface *screen,
01310af2
FB		 397 int x, int y, int w, int h, int color)
398{
399 SDL_Rect rect;
400 rect.x = x;
401 rect.y = y;
402 rect.w = w;
403 rect.h = h;
404 SDL_FillRect(screen, &rect, color);
405}
406
407#if 0
408/* draw only the border of a rectangle */
409void fill_border(VideoState *s, int x, int y, int w, int h, int color)
410{
411 int w1, w2, h1, h2;
412
413 /* fill the background */
414 w1 = x;
415 if (w1 < 0)
416 w1 = 0;
417 w2 = s->width - (x + w);
418 if (w2 < 0)
419 w2 = 0;
420 h1 = y;
421 if (h1 < 0)
422 h1 = 0;
423 h2 = s->height - (y + h);
424 if (h2 < 0)
425 h2 = 0;
115329f1
DB		 426 fill_rectangle(screen,
427 s->xleft, s->ytop,
428 w1, s->height,
01310af2 429 color);
115329f1
DB		 430 fill_rectangle(screen,
431 s->xleft + s->width - w2, s->ytop,
432 w2, s->height,
01310af2 433 color);
115329f1
DB		 434 fill_rectangle(screen,
435 s->xleft + w1, s->ytop,
436 s->width - w1 - w2, h1,
01310af2 437 color);
115329f1 438 fill_rectangle(screen,
01310af2
FB		 439 s->xleft + w1, s->ytop + s->height - h2,
440 s->width - w1 - w2, h2,
441 color);
442}
443#endif
444
72ce053b
IC		 445#define ALPHA_BLEND(a, oldp, newp, s)\
446((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
447
448#define RGBA_IN(r, g, b, a, s)\
449{\
450 unsigned int v = ((const uint32_t *)(s))[0];\
451 a = (v >> 24) & 0xff;\
452 r = (v >> 16) & 0xff;\
453 g = (v >> 8) & 0xff;\
454 b = v & 0xff;\
455}
456
457#define YUVA_IN(y, u, v, a, s, pal)\
458{\
57cf99f2 459 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
72ce053b
IC		 460 a = (val >> 24) & 0xff;\
461 y = (val >> 16) & 0xff;\
462 u = (val >> 8) & 0xff;\
463 v = val & 0xff;\
464}
465
466#define YUVA_OUT(d, y, u, v, a)\
467{\
468 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
469}
470
471
472#define BPP 1
473
0a8cd696 474static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
72ce053b
IC		 475{
476 int wrap, wrap3, width2, skip2;
477 int y, u, v, a, u1, v1, a1, w, h;
478 uint8_t *lum, *cb, *cr;
479 const uint8_t *p;
480 const uint32_t *pal;
9cb5a11e
RD		 481 int dstx, dsty, dstw, dsth;
482
7cf9c6ae
MN		 483 dstw = av_clip(rect->w, 0, imgw);
484 dsth = av_clip(rect->h, 0, imgh);
485 dstx = av_clip(rect->x, 0, imgw - dstw);
486 dsty = av_clip(rect->y, 0, imgh - dsth);
9cb5a11e
RD		 487 lum = dst->data[0] + dsty * dst->linesize[0];
488 cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
489 cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
490
f54b31b9 491 width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
9cb5a11e 492 skip2 = dstx >> 1;
72ce053b 493 wrap = dst->linesize[0];
25b4c651
MN		 494 wrap3 = rect->pict.linesize[0];
495 p = rect->pict.data[0];
496 pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
115329f1 497
9cb5a11e
RD		 498 if (dsty & 1) {
499 lum += dstx;
72ce053b
IC		 500 cb += skip2;
501 cr += skip2;
115329f1 502
9cb5a11e 503 if (dstx & 1) {
72ce053b
IC		 504 YUVA_IN(y, u, v, a, p, pal);
505 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
506 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
507 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
508 cb++;
509 cr++;
510 lum++;
511 p += BPP;
512 }
9cb5a11e 513 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC		 514 YUVA_IN(y, u, v, a, p, pal);
515 u1 = u;
516 v1 = v;
517 a1 = a;
518 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
519
520 YUVA_IN(y, u, v, a, p + BPP, pal);
521 u1 += u;
522 v1 += v;
523 a1 += a;
524 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
525 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
526 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
527 cb++;
528 cr++;
529 p += 2 * BPP;
530 lum += 2;
531 }
532 if (w) {
533 YUVA_IN(y, u, v, a, p, pal);
534 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
535 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
536 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
676ef505
BA		 537 p++;
538 lum++;
72ce053b 539 }
4606a059
BA		 540 p += wrap3 - dstw * BPP;
541 lum += wrap - dstw - dstx;
72ce053b
IC		 542 cb += dst->linesize[1] - width2 - skip2;
543 cr += dst->linesize[2] - width2 - skip2;
544 }
9cb5a11e
RD		 545 for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
546 lum += dstx;
72ce053b
IC		 547 cb += skip2;
548 cr += skip2;
115329f1 549
9cb5a11e 550 if (dstx & 1) {
72ce053b
IC		 551 YUVA_IN(y, u, v, a, p, pal);
552 u1 = u;
553 v1 = v;
554 a1 = a;
555 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
556 p += wrap3;
557 lum += wrap;
558 YUVA_IN(y, u, v, a, p, pal);
559 u1 += u;
560 v1 += v;
561 a1 += a;
562 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
563 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
564 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
565 cb++;
566 cr++;
567 p += -wrap3 + BPP;
568 lum += -wrap + 1;
569 }
9cb5a11e 570 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC		 571 YUVA_IN(y, u, v, a, p, pal);
572 u1 = u;
573 v1 = v;
574 a1 = a;
575 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
576
f8ca63e8 577 YUVA_IN(y, u, v, a, p + BPP, pal);
72ce053b
IC		 578 u1 += u;
579 v1 += v;
580 a1 += a;
581 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
582 p += wrap3;
583 lum += wrap;
584
585 YUVA_IN(y, u, v, a, p, pal);
586 u1 += u;
587 v1 += v;
588 a1 += a;
589 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
590
f8ca63e8 591 YUVA_IN(y, u, v, a, p + BPP, pal);
72ce053b
IC		 592 u1 += u;
593 v1 += v;
594 a1 += a;
595 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
596
597 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
598 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
599
600 cb++;
601 cr++;
602 p += -wrap3 + 2 * BPP;
603 lum += -wrap + 2;
604 }
605 if (w) {
606 YUVA_IN(y, u, v, a, p, pal);
607 u1 = u;
608 v1 = v;
609 a1 = a;
610 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
611 p += wrap3;
612 lum += wrap;
613 YUVA_IN(y, u, v, a, p, pal);
614 u1 += u;
615 v1 += v;
616 a1 += a;
617 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
618 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
619 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
620 cb++;
621 cr++;
622 p += -wrap3 + BPP;
623 lum += -wrap + 1;
624 }
9cb5a11e
RD		 625 p += wrap3 + (wrap3 - dstw * BPP);
626 lum += wrap + (wrap - dstw - dstx);
72ce053b
IC		 627 cb += dst->linesize[1] - width2 - skip2;
628 cr += dst->linesize[2] - width2 - skip2;
629 }
630 /* handle odd height */
631 if (h) {
9cb5a11e 632 lum += dstx;
72ce053b
IC		 633 cb += skip2;
634 cr += skip2;
115329f1 635
9cb5a11e 636 if (dstx & 1) {
72ce053b
IC		 637 YUVA_IN(y, u, v, a, p, pal);
638 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
639 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
640 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
641 cb++;
642 cr++;
643 lum++;
644 p += BPP;
645 }
9cb5a11e 646 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC		 647 YUVA_IN(y, u, v, a, p, pal);
648 u1 = u;
649 v1 = v;
650 a1 = a;
651 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
652
653 YUVA_IN(y, u, v, a, p + BPP, pal);
654 u1 += u;
655 v1 += v;
656 a1 += a;
657 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
658 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
659 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
660 cb++;
661 cr++;
662 p += 2 * BPP;
663 lum += 2;
664 }
665 if (w) {
666 YUVA_IN(y, u, v, a, p, pal);
667 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
668 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
669 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
670 }
671 }
672}
673
674static void free_subpicture(SubPicture *sp)
675{
676 int i;
115329f1 677
72ce053b
IC		 678 for (i = 0; i < sp->sub.num_rects; i++)
679 {
25b4c651
MN		 680 av_freep(&sp->sub.rects[i]->pict.data[0]);
681 av_freep(&sp->sub.rects[i]->pict.data[1]);
db4fac64 682 av_freep(&sp->sub.rects[i]);
72ce053b 683 }
115329f1 684
72ce053b 685 av_free(sp->sub.rects);
115329f1 686
72ce053b
IC		 687 memset(&sp->sub, 0, sizeof(AVSubtitle));
688}
689
01310af2
FB		 690static void video_image_display(VideoState *is)
691{
692 VideoPicture *vp;
72ce053b
IC		 693 SubPicture *sp;
694 AVPicture pict;
01310af2
FB		 695 float aspect_ratio;
696 int width, height, x, y;
697 SDL_Rect rect;
72ce053b 698 int i;
01310af2
FB		 699
700 vp = &is->pictq[is->pictq_rindex];
701 if (vp->bmp) {
917d2bb3
MN		 702#if CONFIG_AVFILTER
703 if (vp->picref->pixel_aspect.num == 0)
704 aspect_ratio = 0;
705 else
706 aspect_ratio = av_q2d(vp->picref->pixel_aspect);
707#else
708
01310af2 709 /* XXX: use variable in the frame */
c30a4489
AJ		 710 if (is->video_st->sample_aspect_ratio.num)
711 aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
712 else if (is->video_st->codec->sample_aspect_ratio.num)
713 aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
72ea344b 714 else
c30a4489 715 aspect_ratio = 0;
917d2bb3 716#endif
01310af2 717 if (aspect_ratio <= 0.0)
c30a4489 718 aspect_ratio = 1.0;
917d2bb3 719 aspect_ratio *= (float)vp->width / (float)vp->height;
01310af2
FB		 720 /* if an active format is indicated, then it overrides the
721 mpeg format */
722#if 0
01f4895c
MN		 723 if (is->video_st->codec->dtg_active_format != is->dtg_active_format) {
724 is->dtg_active_format = is->video_st->codec->dtg_active_format;
01310af2
FB		 725 printf("dtg_active_format=%d\n", is->dtg_active_format);
726 }
727#endif
728#if 0
01f4895c 729 switch(is->video_st->codec->dtg_active_format) {
01310af2
FB		 730 case FF_DTG_AFD_SAME:
731 default:
732 /* nothing to do */
733 break;
734 case FF_DTG_AFD_4_3:
735 aspect_ratio = 4.0 / 3.0;
736 break;
737 case FF_DTG_AFD_16_9:
738 aspect_ratio = 16.0 / 9.0;
739 break;
740 case FF_DTG_AFD_14_9:
741 aspect_ratio = 14.0 / 9.0;
742 break;
743 case FF_DTG_AFD_4_3_SP_14_9:
744 aspect_ratio = 14.0 / 9.0;
745 break;
746 case FF_DTG_AFD_16_9_SP_14_9:
747 aspect_ratio = 14.0 / 9.0;
748 break;
749 case FF_DTG_AFD_SP_4_3:
750 aspect_ratio = 4.0 / 3.0;
751 break;
752 }
753#endif
754
72ce053b
IC		 755 if (is->subtitle_st)
756 {
757 if (is->subpq_size > 0)
758 {
759 sp = &is->subpq[is->subpq_rindex];
760
761 if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
762 {
763 SDL_LockYUVOverlay (vp->bmp);
764
765 pict.data[0] = vp->bmp->pixels[0];
766 pict.data[1] = vp->bmp->pixels[2];
767 pict.data[2] = vp->bmp->pixels[1];
768
769 pict.linesize[0] = vp->bmp->pitches[0];
770 pict.linesize[1] = vp->bmp->pitches[2];
771 pict.linesize[2] = vp->bmp->pitches[1];
772
773 for (i = 0; i < sp->sub.num_rects; i++)
db4fac64 774 blend_subrect(&pict, sp->sub.rects[i],
0a8cd696 775 vp->bmp->w, vp->bmp->h);
72ce053b
IC		 776
777 SDL_UnlockYUVOverlay (vp->bmp);
778 }
779 }
780 }
781
782
01310af2
FB		 783 /* XXX: we suppose the screen has a 1.0 pixel ratio */
784 height = is->height;
bb6c34e5 785 width = ((int)rint(height * aspect_ratio)) & ~1;
01310af2
FB		 786 if (width > is->width) {
787 width = is->width;
bb6c34e5 788 height = ((int)rint(width / aspect_ratio)) & ~1;
01310af2
FB		 789 }
790 x = (is->width - width) / 2;
791 y = (is->height - height) / 2;
792 if (!is->no_background) {
793 /* fill the background */
794 // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
795 } else {
796 is->no_background = 0;
797 }
798 rect.x = is->xleft + x;
2f6547fb 799 rect.y = is->ytop + y;
01310af2
FB		 800 rect.w = width;
801 rect.h = height;
802 SDL_DisplayYUVOverlay(vp->bmp, &rect);
803 } else {
804#if 0
115329f1
DB		 805 fill_rectangle(screen,
806 is->xleft, is->ytop, is->width, is->height,
01310af2
FB		 807 QERGB(0x00, 0x00, 0x00));
808#endif
809 }
810}
811
812static inline int compute_mod(int a, int b)
813{
814 a = a % b;
115329f1 815 if (a >= 0)
01310af2
FB		 816 return a;
817 else
818 return a + b;
819}
820
821static void video_audio_display(VideoState *s)
822{
823 int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
824 int ch, channels, h, h2, bgcolor, fgcolor;
825 int16_t time_diff;
4c7c7645
MN		 826 int rdft_bits, nb_freq;
827
828 for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
829 ;
830 nb_freq= 1<<(rdft_bits-1);
115329f1 831
01310af2 832 /* compute display index : center on currently output samples */
01f4895c 833 channels = s->audio_st->codec->channels;
01310af2 834 nb_display_channels = channels;
5e0257e3 835 if (!s->paused) {
4c7c7645 836 int data_used= s->show_audio==1 ? s->width : (2*nb_freq);
5e0257e3
FB		 837 n = 2 * channels;
838 delay = audio_write_get_buf_size(s);
839 delay /= n;
115329f1 840
5e0257e3
FB		 841 /* to be more precise, we take into account the time spent since
842 the last buffer computation */
843 if (audio_callback_time) {
844 time_diff = av_gettime() - audio_callback_time;
122dcdcb 845 delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
5e0257e3 846 }
115329f1 847
122dcdcb 848 delay += 2*data_used;
4c7c7645
MN		 849 if (delay < data_used)
850 delay = data_used;
ac50bcc8
MN		 851
852 i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
12eeda34 853 if(s->show_audio==1){
6c7165c7
JM		 854 h= INT_MIN;
855 for(i=0; i<1000; i+=channels){
856 int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
857 int a= s->sample_array[idx];
858 int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
859 int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
860 int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
861 int score= a-d;
862 if(h<score && (b^c)<0){
863 h= score;
864 i_start= idx;
865 }
ac50bcc8
MN		 866 }
867 }
868
5e0257e3
FB		 869 s->last_i_start = i_start;
870 } else {
871 i_start = s->last_i_start;
01310af2
FB		 872 }
873
01310af2 874 bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
12eeda34 875 if(s->show_audio==1){
6c7165c7
JM		 876 fill_rectangle(screen,
877 s->xleft, s->ytop, s->width, s->height,
878 bgcolor);
879
880 fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
881
882 /* total height for one channel */
883 h = s->height / nb_display_channels;
884 /* graph height / 2 */
885 h2 = (h * 9) / 20;
886 for(ch = 0;ch < nb_display_channels; ch++) {
887 i = i_start + ch;
888 y1 = s->ytop + ch * h + (h / 2); /* position of center line */
889 for(x = 0; x < s->width; x++) {
890 y = (s->sample_array[i] * h2) >> 15;
891 if (y < 0) {
892 y = -y;
893 ys = y1 - y;
894 } else {
895 ys = y1;
896 }
897 fill_rectangle(screen,
898 s->xleft + x, ys, 1, y,
899 fgcolor);
900 i += channels;
901 if (i >= SAMPLE_ARRAY_SIZE)
902 i -= SAMPLE_ARRAY_SIZE;
01310af2 903 }
01310af2 904 }
01310af2 905
6c7165c7 906 fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
01310af2 907
6c7165c7
JM		 908 for(ch = 1;ch < nb_display_channels; ch++) {
909 y = s->ytop + ch * h;
910 fill_rectangle(screen,
911 s->xleft, y, s->width, 1,
912 fgcolor);
913 }
914 SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
12eeda34 915 }else{
12eeda34 916 nb_display_channels= FFMIN(nb_display_channels, 2);
12eeda34 917 if(rdft_bits != s->rdft_bits){
166621ab
MR		 918 av_rdft_end(s->rdft);
919 s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
12eeda34
MN		 920 s->rdft_bits= rdft_bits;
921 }
12eeda34
MN		 922 {
923 FFTSample data[2][2*nb_freq];
924 for(ch = 0;ch < nb_display_channels; ch++) {
925 i = i_start + ch;
926 for(x = 0; x < 2*nb_freq; x++) {
927 double w= (x-nb_freq)*(1.0/nb_freq);
928 data[ch][x]= s->sample_array[i]*(1.0-w*w);
929 i += channels;
930 if (i >= SAMPLE_ARRAY_SIZE)
931 i -= SAMPLE_ARRAY_SIZE;
932 }
166621ab 933 av_rdft_calc(s->rdft, data[ch]);
12eeda34
MN		 934 }
935 //least efficient way to do this, we should of course directly access it but its more than fast enough
092421cf 936 for(y=0; y<s->height; y++){
12eeda34
MN		 937 double w= 1/sqrt(nb_freq);
938 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]));
939 int b= sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0] + data[1][2*y+1]*data[1][2*y+1]));
940 a= FFMIN(a,255);
941 b= FFMIN(b,255);
942 fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
943
944 fill_rectangle(screen,
945 s->xpos, s->height-y, 1, 1,
946 fgcolor);
947 }
948 }
949 SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
950 s->xpos++;
951 if(s->xpos >= s->width)
952 s->xpos= s->xleft;
953 }
01310af2
FB		 954}
955
990c8438
MN		 956static int video_open(VideoState *is){
957 int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
958 int w,h;
959
fb84155b
MN		 960 if(is_full_screen) flags |= SDL_FULLSCREEN;
961 else flags |= SDL_RESIZABLE;
962
990c8438
MN		 963 if (is_full_screen && fs_screen_width) {
964 w = fs_screen_width;
965 h = fs_screen_height;
fb84155b
MN		 966 } else if(!is_full_screen && screen_width){
967 w = screen_width;
968 h = screen_height;
917d2bb3
MN		 969#if CONFIG_AVFILTER
970 }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
971 w = is->out_video_filter->inputs[0]->w;
972 h = is->out_video_filter->inputs[0]->h;
973#else
fb84155b
MN		 974 }else if (is->video_st && is->video_st->codec->width){
975 w = is->video_st->codec->width;
976 h = is->video_st->codec->height;
917d2bb3 977#endif
990c8438 978 } else {
fb84155b
MN		 979 w = 640;
980 h = 480;
990c8438 981 }
d3d7b12e
MN		 982 if(screen && is->width == screen->w && screen->w == w
983 && is->height== screen->h && screen->h == h)
984 return 0;
985
c97f5402 986#ifndef __APPLE__
990c8438
MN		 987 screen = SDL_SetVideoMode(w, h, 0, flags);
988#else
989 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
990 screen = SDL_SetVideoMode(w, h, 24, flags);
991#endif
992 if (!screen) {
993 fprintf(stderr, "SDL: could not set video mode - exiting\n");
994 return -1;
995 }
996 SDL_WM_SetCaption("FFplay", "FFplay");
997
998 is->width = screen->w;
999 is->height = screen->h;
1000
1001 return 0;
1002}
8c982c5d 1003
01310af2
FB		 1004/* display the current picture, if any */
1005static void video_display(VideoState *is)
1006{
8c982c5d
MN		 1007 if(!screen)
1008 video_open(cur_stream);
115329f1 1009 if (is->audio_st && is->show_audio)
01310af2
FB		 1010 video_audio_display(is);
1011 else if (is->video_st)
1012 video_image_display(is);
1013}
1014
d38c9e7a 1015static int refresh_thread(void *opaque)
01310af2 1016{
d38c9e7a
MN		 1017 VideoState *is= opaque;
1018 while(!is->abort_request){
01310af2
FB		 1019 SDL_Event event;
1020 event.type = FF_REFRESH_EVENT;
1021 event.user.data1 = opaque;
d38c9e7a
MN		 1022 if(!is->refresh){
1023 is->refresh=1;
01310af2 1024 SDL_PushEvent(&event);
d38c9e7a 1025 }
2b3da32f 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
d38c9e7a
MN		 1027 }
1028 return 0;
01310af2
FB		 1029}
1030
638c9d91
FB		 1031/* get the current audio clock value */
1032static 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) {
115329f1 1040 bytes_per_sec = is->audio_st->codec->sample_rate *
01f4895c 1041 2 * is->audio_st->codec->channels;
638c9d91
FB		 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 */
1049static double get_video_clock(VideoState *is)
1050{
04108619 1051 if (is->paused) {
41a4cd0c 1052 return is->video_current_pts;
72ea344b 1053 } else {
68aefbe8 1054 return is->video_current_pts_drift + av_gettime() / 1000000.0;
72ea344b 1055 }
638c9d91
FB		 1056}
1057
1058/* get the current external clock value */
1059static 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 */
1067static double get_master_clock(VideoState *is)
1068{
1069 double val;
1070
72ea344b
FB		 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 {
638c9d91 1082 val = get_external_clock(is);
72ea344b 1083 }
638c9d91
FB		 1084 return val;
1085}
1086
72ea344b 1087/* seek in the stream */
2ef46053 1088static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
72ea344b 1089{
687fae2b
IW		 1090 if (!is->seek_req) {
1091 is->seek_pos = pos;
4ed29207 1092 is->seek_rel = rel;
3890dd3a 1093 is->seek_flags &= ~AVSEEK_FLAG_BYTE;
94b594c6
SH		 1094 if (seek_by_bytes)
1095 is->seek_flags |= AVSEEK_FLAG_BYTE;
687fae2b
IW		 1096 is->seek_req = 1;
1097 }
72ea344b
FB		 1098}
1099
1100/* pause or resume the video */
1101static void stream_pause(VideoState *is)
1102{
68aefbe8
MN		 1103 if (is->paused) {
1104 is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
f5668147 1105 if(is->read_pause_return != AVERROR(ENOSYS)){
68aefbe8 1106 is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
f5668147 1107 }
68aefbe8 1108 is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
72ea344b 1109 }
68aefbe8 1110 is->paused = !is->paused;
72ea344b
FB		 1111}
1112
d38c9e7a 1113static double compute_target_time(double frame_current_pts, VideoState *is)
49410784 1114{
d38c9e7a 1115 double delay, sync_threshold, diff;
49410784
TB		 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;
443658fd 1122 } else {
712de377 1123 is->frame_last_delay = delay;
443658fd 1124 }
49410784
TB		 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 */
f04c6e35 1132 diff = get_video_clock(is) - get_master_clock(is);
49410784
TB		 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 }
49410784 1145 is->frame_timer += delay;
eecc17a7
TB		 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
d38c9e7a 1151 return is->frame_timer;
49410784
TB		 1152}
1153
01310af2
FB		 1154/* called to display each frame */
1155static void video_refresh_timer(void *opaque)
1156{
1157 VideoState *is = opaque;
1158 VideoPicture *vp;
638c9d91 1159
72ce053b 1160 SubPicture *sp, *sp2;
01310af2
FB		 1161
1162 if (is->video_st) {
d38c9e7a 1163retry:
01310af2 1164 if (is->pictq_size == 0) {
d38c9e7a 1165 //nothing to do, no picture to display in the que
01310af2 1166 } else {
d38c9e7a
MN		 1167 double time= av_gettime()/1000000.0;
1168 double next_target;
638c9d91 1169 /* dequeue the picture */
01310af2 1170 vp = &is->pictq[is->pictq_rindex];
638c9d91 1171
d38c9e7a
MN		 1172 if(time < vp->target_clock)
1173 return;
638c9d91
FB		 1174 /* update current video pts */
1175 is->video_current_pts = vp->pts;
d38c9e7a 1176 is->video_current_pts_drift = is->video_current_pts - time;
a3cc2160 1177 is->video_current_pos = vp->pos;
d38c9e7a
MN		 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 }
638c9d91 1199
72ce053b
IC		 1200 if(is->subtitle_st) {
1201 if (is->subtitle_stream_changed) {
1202 SDL_LockMutex(is->subpq_mutex);
115329f1 1203
72ce053b
IC		 1204 while (is->subpq_size) {
1205 free_subpicture(&is->subpq[is->subpq_rindex]);
115329f1 1206
72ce053b
IC		 1207 /* update queue size and signal for next picture */
1208 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1209 is->subpq_rindex = 0;
115329f1 1210
72ce053b
IC		 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
01310af2
FB		 1244 /* display picture */
1245 video_display(is);
115329f1 1246
01310af2
FB		 1247 /* update queue size and signal for next picture */
1248 if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1249 is->pictq_rindex = 0;
115329f1 1250
01310af2
FB		 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
01310af2
FB		 1259 /* if only audio stream, then display the audio bars (better
1260 than nothing, just to test the implementation */
115329f1 1261
01310af2
FB		 1262 /* display picture */
1263 video_display(is);
01310af2
FB		 1264 }
1265 if (show_status) {
1266 static int64_t last_time;
1267 int64_t cur_time;
72ce053b 1268 int aqsize, vqsize, sqsize;
638c9d91 1269 double av_diff;
115329f1 1270
01310af2 1271 cur_time = av_gettime();
1e1a0b18 1272 if (!last_time || (cur_time - last_time) >= 30000) {
01310af2
FB		 1273 aqsize = 0;
1274 vqsize = 0;
72ce053b 1275 sqsize = 0;
01310af2
FB		 1276 if (is->audio_st)
1277 aqsize = is->audioq.size;
1278 if (is->video_st)
1279 vqsize = is->videoq.size;
72ce053b
IC		 1280 if (is->subtitle_st)
1281 sqsize = is->subtitleq.size;
638c9d91
FB		 1282 av_diff = 0;
1283 if (is->audio_st && is->video_st)
1284 av_diff = get_audio_clock(is) - get_video_clock(is);
8a3ceaf4 1285 printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64" \r",
41db429d 1286 get_master_clock(is), av_diff, aqsize / 1024, vqsize / 1024, sqsize, is->faulty_dts, is->faulty_pts);
01310af2
FB		 1287 fflush(stdout);
1288 last_time = cur_time;
1289 }
1290 }
1291}
1292
1293/* allocate a picture (needs to do that in main thread to avoid
1294 potential locking problems */
1295static void alloc_picture(void *opaque)
1296{
1297 VideoState *is = opaque;
1298 VideoPicture *vp;
01310af2
FB		 1299
1300 vp = &is->pictq[is->pictq_windex];
1301
1302 if (vp->bmp)
1303 SDL_FreeYUVOverlay(vp->bmp);
1304
917d2bb3
MN		 1305#if CONFIG_AVFILTER
1306 if (vp->picref)
1307 avfilter_unref_pic(vp->picref);
1308 vp->picref = NULL;
1309
1310 vp->width = is->out_video_filter->inputs[0]->w;
1311 vp->height = is->out_video_filter->inputs[0]->h;
1312 vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1313#else
1314 vp->width = is->video_st->codec->width;
1315 vp->height = is->video_st->codec->height;
1316 vp->pix_fmt = is->video_st->codec->pix_fmt;
1317#endif
1318
1319 vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
115329f1 1320 SDL_YV12_OVERLAY,
61890b02 1321 screen);
01310af2
FB		 1322
1323 SDL_LockMutex(is->pictq_mutex);
1324 vp->allocated = 1;
1325 SDL_CondSignal(is->pictq_cond);
1326 SDL_UnlockMutex(is->pictq_mutex);
1327}
1328
267e9dfa
MN		 1329/**
1330 *
1331 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1332 */
1a620dd7 1333static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
01310af2
FB		 1334{
1335 VideoPicture *vp;
1336 int dst_pix_fmt;
917d2bb3
MN		 1337#if CONFIG_AVFILTER
1338 AVPicture pict_src;
1339#endif
01310af2
FB		 1340 /* wait until we have space to put a new picture */
1341 SDL_LockMutex(is->pictq_mutex);
d38c9e7a
MN		 1342
1343 if(is->pictq_size>=VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
1344 is->skip_frames= FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0-FRAME_SKIP_FACTOR));
1345
01310af2
FB		 1346 while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1347 !is->videoq.abort_request) {
1348 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1349 }
1350 SDL_UnlockMutex(is->pictq_mutex);
115329f1 1351
01310af2
FB		 1352 if (is->videoq.abort_request)
1353 return -1;
1354
1355 vp = &is->pictq[is->pictq_windex];
1356
1357 /* alloc or resize hardware picture buffer */
115329f1 1358 if (!vp->bmp ||
917d2bb3
MN		 1359#if CONFIG_AVFILTER
1360 vp->width != is->out_video_filter->inputs[0]->w ||
1361 vp->height != is->out_video_filter->inputs[0]->h) {
1362#else
01f4895c
MN		 1363 vp->width != is->video_st->codec->width ||
1364 vp->height != is->video_st->codec->height) {
917d2bb3 1365#endif
01310af2
FB		 1366 SDL_Event event;
1367
1368 vp->allocated = 0;
1369
1370 /* the allocation must be done in the main thread to avoid
1371 locking problems */
1372 event.type = FF_ALLOC_EVENT;
1373 event.user.data1 = is;
1374 SDL_PushEvent(&event);
115329f1 1375
01310af2
FB		 1376 /* wait until the picture is allocated */
1377 SDL_LockMutex(is->pictq_mutex);
1378 while (!vp->allocated && !is->videoq.abort_request) {
1379 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1380 }
1381 SDL_UnlockMutex(is->pictq_mutex);
1382
1383 if (is->videoq.abort_request)
1384 return -1;
1385 }
1386
638c9d91 1387 /* if the frame is not skipped, then display it */
01310af2 1388 if (vp->bmp) {
fbf1b885 1389 AVPicture pict;
917d2bb3
MN		 1390#if CONFIG_AVFILTER
1391 if(vp->picref)
1392 avfilter_unref_pic(vp->picref);
1393 vp->picref = src_frame->opaque;
1394#endif
fbf1b885 1395
01310af2
FB		 1396 /* get a pointer on the bitmap */
1397 SDL_LockYUVOverlay (vp->bmp);
1398
1399 dst_pix_fmt = PIX_FMT_YUV420P;
fbf1b885 1400 memset(&pict,0,sizeof(AVPicture));
01310af2
FB		 1401 pict.data[0] = vp->bmp->pixels[0];
1402 pict.data[1] = vp->bmp->pixels[2];
1403 pict.data[2] = vp->bmp->pixels[1];
1404
1405 pict.linesize[0] = vp->bmp->pitches[0];
1406 pict.linesize[1] = vp->bmp->pitches[2];
1407 pict.linesize[2] = vp->bmp->pitches[1];
917d2bb3
MN		 1408
1409#if CONFIG_AVFILTER
1410 pict_src.data[0] = src_frame->data[0];
1411 pict_src.data[1] = src_frame->data[1];
1412 pict_src.data[2] = src_frame->data[2];
1413
1414 pict_src.linesize[0] = src_frame->linesize[0];
1415 pict_src.linesize[1] = src_frame->linesize[1];
1416 pict_src.linesize[2] = src_frame->linesize[2];
1417
1418 //FIXME use direct rendering
1419 av_picture_copy(&pict, &pict_src,
1420 vp->pix_fmt, vp->width, vp->height);
1421#else
e43d7a18 1422 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3ac56e28 1423 is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
917d2bb3 1424 vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
feb7bc67 1425 dst_pix_fmt, sws_flags, NULL, NULL, NULL);
3ac56e28 1426 if (is->img_convert_ctx == NULL) {
26ba8235
AB		 1427 fprintf(stderr, "Cannot initialize the conversion context\n");
1428 exit(1);
1429 }
3ac56e28 1430 sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
917d2bb3
MN		 1431 0, vp->height, pict.data, pict.linesize);
1432#endif
01310af2
FB		 1433 /* update the bitmap content */
1434 SDL_UnlockYUVOverlay(vp->bmp);
1435
638c9d91 1436 vp->pts = pts;
1a620dd7 1437 vp->pos = pos;
01310af2
FB		 1438
1439 /* now we can update the picture count */
1440 if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1441 is->pictq_windex = 0;
1442 SDL_LockMutex(is->pictq_mutex);
d38c9e7a
MN		 1443 vp->target_clock= compute_target_time(vp->pts, is);
1444
01310af2
FB		 1445 is->pictq_size++;
1446 SDL_UnlockMutex(is->pictq_mutex);
1447 }
638c9d91
FB		 1448 return 0;
1449}
1450
115329f1
DB		 1451/**
1452 * compute the exact PTS for the picture if it is omitted in the stream
267e9dfa
MN		 1453 * @param pts1 the dts of the pkt / pts of the frame
1454 */
1a620dd7 1455static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
638c9d91
FB		 1456{
1457 double frame_delay, pts;
115329f1 1458
638c9d91
FB		 1459 pts = pts1;
1460
01310af2 1461 if (pts != 0) {
638c9d91 1462 /* update video clock with pts, if present */
01310af2
FB		 1463 is->video_clock = pts;
1464 } else {
72ea344b
FB		 1465 pts = is->video_clock;
1466 }
1467 /* update video clock for next frame */
01f4895c 1468 frame_delay = av_q2d(is->video_st->codec->time_base);
72ea344b
FB		 1469 /* for MPEG2, the frame can be repeated, so we update the
1470 clock accordingly */
267e9dfa 1471 frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
72ea344b 1472 is->video_clock += frame_delay;
638c9d91
FB		 1473
1474#if defined(DEBUG_SYNC) && 0
ff358eca
SS		 1475 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1476 av_get_pict_type_char(src_frame->pict_type), pts, pts1);
638c9d91 1477#endif
1a620dd7 1478 return queue_picture(is, src_frame, pts, pos);
01310af2
FB		 1479}
1480
3966a574 1481static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
01310af2 1482{
6c7d3ead 1483 int len1, got_picture, i;
01310af2 1484
01310af2 1485 if (packet_queue_get(&is->videoq, pkt, 1) < 0)
917d2bb3 1486 return -1;
39c6a118
MN		 1487
1488 if(pkt->data == flush_pkt.data){
1489 avcodec_flush_buffers(is->video_st->codec);
6c7d3ead
MN		 1490
1491 SDL_LockMutex(is->pictq_mutex);
1492 //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1493 for(i=0; i<VIDEO_PICTURE_QUEUE_SIZE; i++){
d38c9e7a 1494 is->pictq[i].target_clock= 0;
6c7d3ead
MN		 1495 }
1496 while (is->pictq_size && !is->videoq.abort_request) {
1497 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1498 }
1a620dd7 1499 is->video_current_pos= -1;
6c7d3ead
MN		 1500 SDL_UnlockMutex(is->pictq_mutex);
1501
41db429d
MN		 1502 is->last_dts_for_fault_detection=
1503 is->last_pts_for_fault_detection= INT64_MIN;
967030eb 1504 is->frame_last_pts= AV_NOPTS_VALUE;
f7119e42 1505 is->frame_last_delay = 0;
b25453bd 1506 is->frame_timer = (double)av_gettime() / 1000000.0;
d38c9e7a
MN		 1507 is->skip_frames= 1;
1508 is->skip_frames_index= 0;
917d2bb3 1509 return 0;
39c6a118
MN		 1510 }
1511
638c9d91
FB		 1512 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1513 this packet, if any */
7fb262b5 1514 is->video_st->codec->reordered_opaque= pkt->pts;
bea18375 1515 len1 = avcodec_decode_video2(is->video_st->codec,
620e8baf 1516 frame, &got_picture,
bea18375 1517 pkt);
620e8baf 1518
99e0b12b 1519 if (got_picture) {
df7d6e48
SS		 1520 if(pkt->dts != AV_NOPTS_VALUE){
1521 is->faulty_dts += pkt->dts <= is->last_dts_for_fault_detection;
1522 is->last_dts_for_fault_detection= pkt->dts;
1523 }
1524 if(frame->reordered_opaque != AV_NOPTS_VALUE){
1525 is->faulty_pts += frame->reordered_opaque <= is->last_pts_for_fault_detection;
1526 is->last_pts_for_fault_detection= frame->reordered_opaque;
1527 }
99e0b12b 1528 }
41db429d
MN		 1529
1530 if( ( decoder_reorder_pts==1
ecbed31c 1531 || (decoder_reorder_pts && is->faulty_pts<is->faulty_dts)
41db429d 1532 || pkt->dts == AV_NOPTS_VALUE)
7fb262b5 1533 && frame->reordered_opaque != AV_NOPTS_VALUE)
917d2bb3 1534 *pts= frame->reordered_opaque;
620e8baf 1535 else if(pkt->dts != AV_NOPTS_VALUE)
917d2bb3 1536 *pts= pkt->dts;
620e8baf 1537 else
917d2bb3
MN		 1538 *pts= 0;
1539
fb966f99
MN		 1540// if (len1 < 0)
1541// break;
d38c9e7a
MN		 1542 if (got_picture){
1543 is->skip_frames_index += 1;
1544 if(is->skip_frames_index >= is->skip_frames){
1545 is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
1546 return 1;
1547 }
1548
1549 }
917d2bb3
MN		 1550 return 0;
1551}
1552
1553#if CONFIG_AVFILTER
1554typedef struct {
1555 VideoState *is;
1556 AVFrame *frame;
1557} FilterPriv;
1558
1559static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1560{
1561 FilterPriv *priv = ctx->priv;
1562 if(!opaque) return -1;
1563
1564 priv->is = opaque;
1565 priv->frame = avcodec_alloc_frame();
1566
1567 return 0;
1568}
1569
1570static void input_uninit(AVFilterContext *ctx)
1571{
1572 FilterPriv *priv = ctx->priv;
1573 av_free(priv->frame);
1574}
1575
1576static int input_request_frame(AVFilterLink *link)
1577{
1578 FilterPriv *priv = link->src->priv;
1579 AVFilterPicRef *picref;
3966a574 1580 int64_t pts = 0;
917d2bb3
MN		 1581 AVPacket pkt;
1582 int ret;
1583
1584 while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1585 av_free_packet(&pkt);
1586 if (ret < 0)
1587 return -1;
1588
1589 /* FIXME: until I figure out how to hook everything up to the codec
1590 * right, we're just copying the entire frame. */
1591 picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
1592 av_picture_copy((AVPicture *)&picref->data, (AVPicture *)priv->frame,
1593 picref->pic->format, link->w, link->h);
1594 av_free_packet(&pkt);
1595
1596 picref->pts = pts;
1597 picref->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
1598 avfilter_start_frame(link, avfilter_ref_pic(picref, ~0));
1599 avfilter_draw_slice(link, 0, link->h, 1);
1600 avfilter_end_frame(link);
1601 avfilter_unref_pic(picref);
1602
1603 return 0;
1604}
1605
1606static int input_query_formats(AVFilterContext *ctx)
1607{
1608 FilterPriv *priv = ctx->priv;
1609 enum PixelFormat pix_fmts[] = {
1610 priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1611 };
1612
1613 avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1614 return 0;
1615}
1616
1617static int input_config_props(AVFilterLink *link)
1618{
1619 FilterPriv *priv = link->src->priv;
1620 AVCodecContext *c = priv->is->video_st->codec;
1621
1622 link->w = c->width;
1623 link->h = c->height;
1624
1625 return 0;
1626}
1627
1628static AVFilter input_filter =
1629{
1630 .name = "ffplay_input",
1631
1632 .priv_size = sizeof(FilterPriv),
1633
1634 .init = input_init,
1635 .uninit = input_uninit,
1636
1637 .query_formats = input_query_formats,
1638
1639 .inputs = (AVFilterPad[]) {{ .name = NULL }},
1640 .outputs = (AVFilterPad[]) {{ .name = "default",
1641 .type = CODEC_TYPE_VIDEO,
1642 .request_frame = input_request_frame,
1643 .config_props = input_config_props, },
1644 { .name = NULL }},
1645};
1646
1647static void output_end_frame(AVFilterLink *link)
1648{
1649}
1650
1651static int output_query_formats(AVFilterContext *ctx)
1652{
1653 enum PixelFormat pix_fmts[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
1654
1655 avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1656 return 0;
1657}
1658
1659static int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
3966a574 1660 int64_t *pts)
917d2bb3
MN		 1661{
1662 AVFilterPicRef *pic;
1663
1664 if(avfilter_request_frame(ctx->inputs[0]))
1665 return -1;
1666 if(!(pic = ctx->inputs[0]->cur_pic))
1667 return -1;
1668 ctx->inputs[0]->cur_pic = NULL;
1669
1670 frame->opaque = pic;
1671 *pts = pic->pts;
1672
1673 memcpy(frame->data, pic->data, sizeof(frame->data));
1674 memcpy(frame->linesize, pic->linesize, sizeof(frame->linesize));
1675
1676 return 1;
1677}
1678
1679static AVFilter output_filter =
1680{
1681 .name = "ffplay_output",
1682
1683 .query_formats = output_query_formats,
1684
1685 .inputs = (AVFilterPad[]) {{ .name = "default",
1686 .type = CODEC_TYPE_VIDEO,
1687 .end_frame = output_end_frame,
1688 .min_perms = AV_PERM_READ, },
1689 { .name = NULL }},
1690 .outputs = (AVFilterPad[]) {{ .name = NULL }},
1691};
1692#endif /* CONFIG_AVFILTER */
1693
1694static int video_thread(void *arg)
1695{
1696 VideoState *is = arg;
1697 AVFrame *frame= avcodec_alloc_frame();
3966a574 1698 int64_t pts_int;
917d2bb3
MN		 1699 double pts;
1700 int ret;
1701
1702#if CONFIG_AVFILTER
1703 AVFilterContext *filt_src = NULL, *filt_out = NULL;
1704 AVFilterGraph *graph = av_mallocz(sizeof(AVFilterGraph));
1705 graph->scale_sws_opts = av_strdup("sws_flags=bilinear");
1706
1707 if(!(filt_src = avfilter_open(&input_filter, "src"))) goto the_end;
1708 if(!(filt_out = avfilter_open(&output_filter, "out"))) goto the_end;
1709
1710 if(avfilter_init_filter(filt_src, NULL, is)) goto the_end;
1711 if(avfilter_init_filter(filt_out, NULL, frame)) goto the_end;
1712
1713
1714 if(vfilters) {
1715 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1716 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
1717
1718 outputs->name = av_strdup("in");
1719 outputs->filter = filt_src;
1720 outputs->pad_idx = 0;
1721 outputs->next = NULL;
1722
1723 inputs->name = av_strdup("out");
1724 inputs->filter = filt_out;
1725 inputs->pad_idx = 0;
1726 inputs->next = NULL;
1727
1728 if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
1729 goto the_end;
1730 av_freep(&vfilters);
1731 } else {
1732 if(avfilter_link(filt_src, 0, filt_out, 0) < 0) goto the_end;
1733 }
1734 avfilter_graph_add_filter(graph, filt_src);
1735 avfilter_graph_add_filter(graph, filt_out);
1736
1737 if(avfilter_graph_check_validity(graph, NULL)) goto the_end;
1738 if(avfilter_graph_config_formats(graph, NULL)) goto the_end;
1739 if(avfilter_graph_config_links(graph, NULL)) goto the_end;
1740
1741 is->out_video_filter = filt_out;
1742#endif
1743
1744 for(;;) {
1745#if !CONFIG_AVFILTER
1746 AVPacket pkt;
1747#endif
1748 while (is->paused && !is->videoq.abort_request)
1749 SDL_Delay(10);
1750#if CONFIG_AVFILTER
1751 ret = get_filtered_video_frame(filt_out, frame, &pts_int);
1752#else
1753 ret = get_video_frame(is, frame, &pts_int, &pkt);
1754#endif
1755
1756 if (ret < 0) goto the_end;
1757
1758 if (!ret)
1759 continue;
1760
3966a574 1761 pts = pts_int*av_q2d(is->video_st->time_base);
917d2bb3
MN		 1762
1763#if CONFIG_AVFILTER
1764 ret = output_picture2(is, frame, pts, -1); /* fixme: unknown pos */
1765#else
fca62599 1766 ret = output_picture2(is, frame, pts, pkt.pos);
917d2bb3
MN		 1767 av_free_packet(&pkt);
1768#endif
1769 if (ret < 0)
1770 goto the_end;
1771
115329f1 1772 if (step)
bba04f1e
WH		 1773 if (cur_stream)
1774 stream_pause(cur_stream);
01310af2
FB		 1775 }
1776 the_end:
917d2bb3
MN		 1777#if CONFIG_AVFILTER
1778 avfilter_graph_destroy(graph);
1779 av_freep(&graph);
1780#endif
c6b1edc9 1781 av_free(frame);
01310af2
FB		 1782 return 0;
1783}
1784
72ce053b
IC		 1785static int subtitle_thread(void *arg)
1786{
1787 VideoState *is = arg;
1788 SubPicture *sp;
1789 AVPacket pkt1, *pkt = &pkt1;
1790 int len1, got_subtitle;
1791 double pts;
1792 int i, j;
1793 int r, g, b, y, u, v, a;
1794
1795 for(;;) {
1796 while (is->paused && !is->subtitleq.abort_request) {
1797 SDL_Delay(10);
1798 }
1799 if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1800 break;
115329f1 1801
39c6a118
MN		 1802 if(pkt->data == flush_pkt.data){
1803 avcodec_flush_buffers(is->subtitle_st->codec);
1804 continue;
1805 }
72ce053b
IC		 1806 SDL_LockMutex(is->subpq_mutex);
1807 while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1808 !is->subtitleq.abort_request) {
1809 SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1810 }
1811 SDL_UnlockMutex(is->subpq_mutex);
115329f1 1812
72ce053b
IC		 1813 if (is->subtitleq.abort_request)
1814 goto the_end;
115329f1 1815
72ce053b
IC		 1816 sp = &is->subpq[is->subpq_windex];
1817
1818 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1819 this packet, if any */
1820 pts = 0;
1821 if (pkt->pts != AV_NOPTS_VALUE)
1822 pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1823
bea18375 1824 len1 = avcodec_decode_subtitle2(is->subtitle_st->codec,
115329f1 1825 &sp->sub, &got_subtitle,
bea18375 1826 pkt);
72ce053b
IC		 1827// if (len1 < 0)
1828// break;
1829 if (got_subtitle && sp->sub.format == 0) {
1830 sp->pts = pts;
115329f1 1831
72ce053b
IC		 1832 for (i = 0; i < sp->sub.num_rects; i++)
1833 {
db4fac64 1834 for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
72ce053b 1835 {
25b4c651 1836 RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
72ce053b
IC		 1837 y = RGB_TO_Y_CCIR(r, g, b);
1838 u = RGB_TO_U_CCIR(r, g, b, 0);
1839 v = RGB_TO_V_CCIR(r, g, b, 0);
25b4c651 1840 YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
72ce053b
IC		 1841 }
1842 }
1843
1844 /* now we can update the picture count */
1845 if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1846 is->subpq_windex = 0;
1847 SDL_LockMutex(is->subpq_mutex);
1848 is->subpq_size++;
1849 SDL_UnlockMutex(is->subpq_mutex);
1850 }
1851 av_free_packet(pkt);
115329f1 1852// if (step)
72ce053b
IC		 1853// if (cur_stream)
1854// stream_pause(cur_stream);
1855 }
1856 the_end:
1857 return 0;
1858}
1859
01310af2
FB		 1860/* copy samples for viewing in editor window */
1861static void update_sample_display(VideoState *is, short *samples, int samples_size)
1862{
1863 int size, len, channels;
1864
01f4895c 1865 channels = is->audio_st->codec->channels;
01310af2
FB		 1866
1867 size = samples_size / sizeof(short);
1868 while (size > 0) {
1869 len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1870 if (len > size)
1871 len = size;
1872 memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1873 samples += len;
1874 is->sample_array_index += len;
1875 if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1876 is->sample_array_index = 0;
1877 size -= len;
1878 }
1879}
1880
01310af2
FB		 1881/* return the new audio buffer size (samples can be added or deleted
1882 to get better sync if video or external master clock) */
115329f1 1883static int synchronize_audio(VideoState *is, short *samples,
638c9d91 1884 int samples_size1, double pts)
01310af2 1885{
638c9d91 1886 int n, samples_size;
01310af2 1887 double ref_clock;
115329f1 1888
01f4895c 1889 n = 2 * is->audio_st->codec->channels;
638c9d91 1890 samples_size = samples_size1;
01310af2 1891
01310af2 1892 /* if not master, then we try to remove or add samples to correct the clock */
01310af2 1893 if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
638c9d91
FB		 1894 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1895 double diff, avg_diff;
01310af2 1896 int wanted_size, min_size, max_size, nb_samples;
115329f1 1897
638c9d91
FB		 1898 ref_clock = get_master_clock(is);
1899 diff = get_audio_clock(is) - ref_clock;
115329f1 1900
638c9d91
FB		 1901 if (diff < AV_NOSYNC_THRESHOLD) {
1902 is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1903 if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1904 /* not enough measures to have a correct estimate */
1905 is->audio_diff_avg_count++;
1906 } else {
1907 /* estimate the A-V difference */
1908 avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1909
1910 if (fabs(avg_diff) >= is->audio_diff_threshold) {
01f4895c 1911 wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
638c9d91 1912 nb_samples = samples_size / n;
115329f1 1913
638c9d91
FB		 1914 min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1915 max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1916 if (wanted_size < min_size)
1917 wanted_size = min_size;
1918 else if (wanted_size > max_size)
1919 wanted_size = max_size;
115329f1 1920
638c9d91
FB		 1921 /* add or remove samples to correction the synchro */
1922 if (wanted_size < samples_size) {
1923 /* remove samples */
1924 samples_size = wanted_size;
1925 } else if (wanted_size > samples_size) {
1926 uint8_t *samples_end, *q;
1927 int nb;
115329f1 1928
638c9d91
FB		 1929 /* add samples */
1930 nb = (samples_size - wanted_size);
1931 samples_end = (uint8_t *)samples + samples_size - n;
1932 q = samples_end + n;
1933 while (nb > 0) {
1934 memcpy(q, samples_end, n);
1935 q += n;
1936 nb -= n;
1937 }
1938 samples_size = wanted_size;
1939 }
1940 }
1941#if 0
115329f1
DB		 1942 printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1943 diff, avg_diff, samples_size - samples_size1,
638c9d91
FB		 1944 is->audio_clock, is->video_clock, is->audio_diff_threshold);
1945#endif
01310af2 1946 }
638c9d91
FB		 1947 } else {
1948 /* too big difference : may be initial PTS errors, so
1949 reset A-V filter */
1950 is->audio_diff_avg_count = 0;
1951 is->audio_diff_cum = 0;
01310af2
FB		 1952 }
1953 }
1954
01310af2
FB		 1955 return samples_size;
1956}
1957
1958/* decode one audio frame and returns its uncompressed size */
5a4476e2 1959static int audio_decode_frame(VideoState *is, double *pts_ptr)
01310af2 1960{
bea18375 1961 AVPacket *pkt_temp = &is->audio_pkt_temp;
01310af2 1962 AVPacket *pkt = &is->audio_pkt;
abdff646 1963 AVCodecContext *dec= is->audio_st->codec;
72ea344b 1964 int n, len1, data_size;
01310af2
FB		 1965 double pts;
1966
1967 for(;;) {
72ea344b 1968 /* NOTE: the audio packet can contain several frames */
bea18375 1969 while (pkt_temp->size > 0) {
5a4476e2 1970 data_size = sizeof(is->audio_buf1);
bea18375 1971 len1 = avcodec_decode_audio3(dec,
5a4476e2 1972 (int16_t *)is->audio_buf1, &data_size,
bea18375 1973 pkt_temp);
72ea344b
FB		 1974 if (len1 < 0) {
1975 /* if error, we skip the frame */
bea18375 1976 pkt_temp->size = 0;
01310af2 1977 break;
72ea344b 1978 }
115329f1 1979
bea18375
TB		 1980 pkt_temp->data += len1;
1981 pkt_temp->size -= len1;
72ea344b
FB		 1982 if (data_size <= 0)
1983 continue;
5a4476e2
PR		 1984
1985 if (dec->sample_fmt != is->audio_src_fmt) {
1986 if (is->reformat_ctx)
1987 av_audio_convert_free(is->reformat_ctx);
1988 is->reformat_ctx= av_audio_convert_alloc(SAMPLE_FMT_S16, 1,
1989 dec->sample_fmt, 1, NULL, 0);
1990 if (!is->reformat_ctx) {
1991 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
1992 avcodec_get_sample_fmt_name(dec->sample_fmt),
1993 avcodec_get_sample_fmt_name(SAMPLE_FMT_S16));
1994 break;
1995 }
1996 is->audio_src_fmt= dec->sample_fmt;
1997 }
1998
1999 if (is->reformat_ctx) {
2000 const void *ibuf[6]= {is->audio_buf1};
2001 void *obuf[6]= {is->audio_buf2};
2002 int istride[6]= {av_get_bits_per_sample_format(dec->sample_fmt)/8};
2003 int ostride[6]= {2};
2004 int len= data_size/istride[0];
2005 if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2006 printf("av_audio_convert() failed\n");
2007 break;
2008 }
2009 is->audio_buf= is->audio_buf2;
2010 /* FIXME: existing code assume that data_size equals framesize*channels*2
2011 remove this legacy cruft */
2012 data_size= len*2;
2013 }else{
2014 is->audio_buf= is->audio_buf1;
2015 }
2016
72ea344b
FB		 2017 /* if no pts, then compute it */
2018 pts = is->audio_clock;
2019 *pts_ptr = pts;
abdff646 2020 n = 2 * dec->channels;
115329f1 2021 is->audio_clock += (double)data_size /
abdff646 2022 (double)(n * dec->sample_rate);
638c9d91 2023#if defined(DEBUG_SYNC)
72ea344b
FB		 2024 {
2025 static double last_clock;
2026 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2027 is->audio_clock - last_clock,
2028 is->audio_clock, pts);
2029 last_clock = is->audio_clock;
01310af2 2030 }
72ea344b
FB		 2031#endif
2032 return data_size;
01310af2
FB		 2033 }
2034
72ea344b
FB		 2035 /* free the current packet */
2036 if (pkt->data)
01310af2 2037 av_free_packet(pkt);
115329f1 2038
72ea344b
FB		 2039 if (is->paused || is->audioq.abort_request) {
2040 return -1;
2041 }
115329f1 2042
01310af2
FB		 2043 /* read next packet */
2044 if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2045 return -1;
39c6a118 2046 if(pkt->data == flush_pkt.data){
abdff646 2047 avcodec_flush_buffers(dec);
39c6a118
MN		 2048 continue;
2049 }
2050
bea18375
TB		 2051 pkt_temp->data = pkt->data;
2052 pkt_temp->size = pkt->size;
115329f1 2053
72ea344b
FB		 2054 /* if update the audio clock with the pts */
2055 if (pkt->pts != AV_NOPTS_VALUE) {
c0df9d75 2056 is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
72ea344b 2057 }
01310af2
FB		 2058 }
2059}
2060
638c9d91
FB		 2061/* get the current audio output buffer size, in samples. With SDL, we
2062 cannot have a precise information */
2063static int audio_write_get_buf_size(VideoState *is)
01310af2 2064{
b09b580b 2065 return is->audio_buf_size - is->audio_buf_index;
01310af2
FB		 2066}
2067
2068
2069/* prepare a new audio buffer */
358061f6 2070static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
01310af2
FB		 2071{
2072 VideoState *is = opaque;
2073 int audio_size, len1;
2074 double pts;
2075
2076 audio_callback_time = av_gettime();
115329f1 2077
01310af2
FB		 2078 while (len > 0) {
2079 if (is->audio_buf_index >= is->audio_buf_size) {
5a4476e2 2080 audio_size = audio_decode_frame(is, &pts);
01310af2
FB		 2081 if (audio_size < 0) {
2082 /* if error, just output silence */
1a1078fa 2083 is->audio_buf = is->audio_buf1;
01310af2
FB		 2084 is->audio_buf_size = 1024;
2085 memset(is->audio_buf, 0, is->audio_buf_size);
2086 } else {
2087 if (is->show_audio)
2088 update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
115329f1 2089 audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
01310af2
FB		 2090 pts);
2091 is->audio_buf_size = audio_size;
2092 }
2093 is->audio_buf_index = 0;
2094 }
2095 len1 = is->audio_buf_size - is->audio_buf_index;
2096 if (len1 > len)
2097 len1 = len;
2098 memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2099 len -= len1;
2100 stream += len1;
2101 is->audio_buf_index += len1;
2102 }
2103}
2104
01310af2
FB		 2105/* open a given stream. Return 0 if OK */
2106static int stream_component_open(VideoState *is, int stream_index)
2107{
2108 AVFormatContext *ic = is->ic;
fe74099a 2109 AVCodecContext *avctx;
01310af2
FB		 2110 AVCodec *codec;
2111 SDL_AudioSpec wanted_spec, spec;
2112
2113 if (stream_index < 0 || stream_index >= ic->nb_streams)
2114 return -1;
fe74099a 2115 avctx = ic->streams[stream_index]->codec;
115329f1 2116
01310af2 2117 /* prepare audio output */
fe74099a
SS		 2118 if (avctx->codec_type == CODEC_TYPE_AUDIO) {
2119 if (avctx->channels > 0) {
2120 avctx->request_channels = FFMIN(2, avctx->channels);
94eadc8b 2121 } else {
fe74099a 2122 avctx->request_channels = 2;
638c9d91 2123 }
01310af2
FB		 2124 }
2125
fe74099a
SS		 2126 codec = avcodec_find_decoder(avctx->codec_id);
2127 avctx->debug_mv = debug_mv;
2128 avctx->debug = debug;
2129 avctx->workaround_bugs = workaround_bugs;
2130 avctx->lowres = lowres;
2131 if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2132 avctx->idct_algo= idct;
2133 if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2134 avctx->skip_frame= skip_frame;
2135 avctx->skip_idct= skip_idct;
2136 avctx->skip_loop_filter= skip_loop_filter;
2137 avctx->error_recognition= error_recognition;
2138 avctx->error_concealment= error_concealment;
2139 avcodec_thread_init(avctx, thread_count);
2140
2141 set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0);
e43d7a18 2142
01310af2 2143 if (!codec ||
fe74099a 2144 avcodec_open(avctx, codec) < 0)
01310af2 2145 return -1;
51b73087
JR		 2146
2147 /* prepare audio output */
fe74099a
SS		 2148 if (avctx->codec_type == CODEC_TYPE_AUDIO) {
2149 wanted_spec.freq = avctx->sample_rate;
51b73087 2150 wanted_spec.format = AUDIO_S16SYS;
fe74099a 2151 wanted_spec.channels = avctx->channels;
51b73087
JR		 2152 wanted_spec.silence = 0;
2153 wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2154 wanted_spec.callback = sdl_audio_callback;
2155 wanted_spec.userdata = is;
2156 if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2157 fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2158 return -1;
2159 }
2160 is->audio_hw_buf_size = spec.size;
5a4476e2 2161 is->audio_src_fmt= SAMPLE_FMT_S16;
51b73087
JR		 2162 }
2163
3f3fe38d 2164 ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
fe74099a 2165 switch(avctx->codec_type) {
01310af2
FB		 2166 case CODEC_TYPE_AUDIO:
2167 is->audio_stream = stream_index;
2168 is->audio_st = ic->streams[stream_index];
2169 is->audio_buf_size = 0;
2170 is->audio_buf_index = 0;
638c9d91
FB		 2171
2172 /* init averaging filter */
2173 is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2174 is->audio_diff_avg_count = 0;
2175 /* since we do not have a precise anough audio fifo fullness,
2176 we correct audio sync only if larger than this threshold */
fe74099a 2177 is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
638c9d91 2178
01310af2
FB		 2179 memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2180 packet_queue_init(&is->audioq);
bb270c08 2181 SDL_PauseAudio(0);
01310af2
FB		 2182 break;
2183 case CODEC_TYPE_VIDEO:
2184 is->video_stream = stream_index;
2185 is->video_st = ic->streams[stream_index];
2186
68aefbe8 2187// is->video_current_pts_time = av_gettime();
638c9d91 2188
01310af2
FB		 2189 packet_queue_init(&is->videoq);
2190 is->video_tid = SDL_CreateThread(video_thread, is);
2191 break;
72ce053b
IC		 2192 case CODEC_TYPE_SUBTITLE:
2193 is->subtitle_stream = stream_index;
2194 is->subtitle_st = ic->streams[stream_index];
2195 packet_queue_init(&is->subtitleq);
115329f1 2196
72ce053b
IC		 2197 is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2198 break;
01310af2
FB		 2199 default:
2200 break;
2201 }
2202 return 0;
2203}
2204
2205static void stream_component_close(VideoState *is, int stream_index)
2206{
2207 AVFormatContext *ic = is->ic;
fe74099a 2208 AVCodecContext *avctx;
115329f1 2209
72ce053b
IC		 2210 if (stream_index < 0 || stream_index >= ic->nb_streams)
2211 return;
fe74099a 2212 avctx = ic->streams[stream_index]->codec;
01310af2 2213
fe74099a 2214 switch(avctx->codec_type) {
01310af2
FB		 2215 case CODEC_TYPE_AUDIO:
2216 packet_queue_abort(&is->audioq);
2217
2218 SDL_CloseAudio();
2219
2220 packet_queue_end(&is->audioq);
5a4476e2
PR		 2221 if (is->reformat_ctx)
2222 av_audio_convert_free(is->reformat_ctx);
bc77fce6 2223 is->reformat_ctx = NULL;
01310af2
FB		 2224 break;
2225 case CODEC_TYPE_VIDEO:
2226 packet_queue_abort(&is->videoq);
2227
2228 /* note: we also signal this mutex to make sure we deblock the
2229 video thread in all cases */
2230 SDL_LockMutex(is->pictq_mutex);
2231 SDL_CondSignal(is->pictq_cond);
2232 SDL_UnlockMutex(is->pictq_mutex);
2233
2234 SDL_WaitThread(is->video_tid, NULL);
2235
2236 packet_queue_end(&is->videoq);
2237 break;
72ce053b
IC		 2238 case CODEC_TYPE_SUBTITLE:
2239 packet_queue_abort(&is->subtitleq);
115329f1 2240
72ce053b
IC		 2241 /* note: we also signal this mutex to make sure we deblock the
2242 video thread in all cases */
2243 SDL_LockMutex(is->subpq_mutex);
2244 is->subtitle_stream_changed = 1;
115329f1 2245
72ce053b
IC		 2246 SDL_CondSignal(is->subpq_cond);
2247 SDL_UnlockMutex(is->subpq_mutex);
2248
2249 SDL_WaitThread(is->subtitle_tid, NULL);
2250
2251 packet_queue_end(&is->subtitleq);
2252 break;
01310af2
FB		 2253 default:
2254 break;
2255 }
2256
3f3fe38d 2257 ic->streams[stream_index]->discard = AVDISCARD_ALL;
fe74099a
SS		 2258 avcodec_close(avctx);
2259 switch(avctx->codec_type) {
01310af2
FB		 2260 case CODEC_TYPE_AUDIO:
2261 is->audio_st = NULL;
2262 is->audio_stream = -1;
2263 break;
2264 case CODEC_TYPE_VIDEO:
2265 is->video_st = NULL;
2266 is->video_stream = -1;
2267 break;
72ce053b
IC		 2268 case CODEC_TYPE_SUBTITLE:
2269 is->subtitle_st = NULL;
2270 is->subtitle_stream = -1;
2271 break;
01310af2
FB		 2272 default:
2273 break;
2274 }
2275}
2276
416e3508
FB		 2277/* since we have only one decoding thread, we can use a global
2278 variable instead of a thread local variable */
2279static VideoState *global_video_state;
2280
2281static int decode_interrupt_cb(void)
2282{
2283 return (global_video_state && global_video_state->abort_request);
2284}
01310af2
FB		 2285
2286/* this thread gets the stream from the disk or the network */
2287static int decode_thread(void *arg)
2288{
2289 VideoState *is = arg;
2290 AVFormatContext *ic;
6625a3de
MN		 2291 int err, i, ret;
2292 int st_index[CODEC_TYPE_NB];
256ab3ed 2293 int st_count[CODEC_TYPE_NB]={0};
9f7490a0 2294 int st_best_packet_count[CODEC_TYPE_NB];
01310af2 2295 AVPacket pkt1, *pkt = &pkt1;
61890b02 2296 AVFormatParameters params, *ap = &params;
75bb7b0a 2297 int eof=0;
01310af2 2298
6299a229
MN		 2299 ic = avformat_alloc_context();
2300
6625a3de 2301 memset(st_index, -1, sizeof(st_index));
9f7490a0 2302 memset(st_best_packet_count, -1, sizeof(st_best_packet_count));
01310af2
FB		 2303 is->video_stream = -1;
2304 is->audio_stream = -1;
72ce053b 2305 is->subtitle_stream = -1;
01310af2 2306
416e3508
FB		 2307 global_video_state = is;
2308 url_set_interrupt_cb(decode_interrupt_cb);
2309
61890b02 2310 memset(ap, 0, sizeof(*ap));
115329f1 2311
6299a229 2312 ap->prealloced_context = 1;
e4b89522
LW		 2313 ap->width = frame_width;
2314 ap->height= frame_height;
7e042912 2315 ap->time_base= (AVRational){1, 25};
e4b89522 2316 ap->pix_fmt = frame_pix_fmt;
7e042912 2317
6299a229
MN		 2318 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2319
61890b02 2320 err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
638c9d91
FB		 2321 if (err < 0) {
2322 print_error(is->filename, err);
2323 ret = -1;
2324 goto fail;
2325 }
01310af2 2326 is->ic = ic;
30bc6613
MN		 2327
2328 if(genpts)
2329 ic->flags |= AVFMT_FLAG_GENPTS;
2330
24c07998
LA		 2331 err = av_find_stream_info(ic);
2332 if (err < 0) {
2333 fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2334 ret = -1;
2335 goto fail;
2336 }
899681cd
BA		 2337 if(ic->pb)
2338 ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
72ea344b 2339
70a4764d
MN		 2340 if(seek_by_bytes<0)
2341 seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2342
72ea344b
FB		 2343 /* if seeking requested, we execute it */
2344 if (start_time != AV_NOPTS_VALUE) {
2345 int64_t timestamp;
2346
2347 timestamp = start_time;
2348 /* add the stream start time */
2349 if (ic->start_time != AV_NOPTS_VALUE)
2350 timestamp += ic->start_time;
4ed29207 2351 ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
72ea344b 2352 if (ret < 0) {
115329f1 2353 fprintf(stderr, "%s: could not seek to position %0.3f\n",
72ea344b
FB		 2354 is->filename, (double)timestamp / AV_TIME_BASE);
2355 }
2356 }
72ea344b 2357
01310af2 2358 for(i = 0; i < ic->nb_streams; i++) {
9f7490a0
MN		 2359 AVStream *st= ic->streams[i];
2360 AVCodecContext *avctx = st->codec;
3f3fe38d 2361 ic->streams[i]->discard = AVDISCARD_ALL;
256ab3ed 2362 if(avctx->codec_type >= (unsigned)CODEC_TYPE_NB)
8ef94840 2363 continue;
256ab3ed
MN		 2364 if(st_count[avctx->codec_type]++ != wanted_stream[avctx->codec_type] && wanted_stream[avctx->codec_type] >= 0)
2365 continue;
2366
9f7490a0
MN		 2367 if(st_best_packet_count[avctx->codec_type] >= st->codec_info_nb_frames)
2368 continue;
2369 st_best_packet_count[avctx->codec_type]= st->codec_info_nb_frames;
2370
fe74099a 2371 switch(avctx->codec_type) {
01310af2 2372 case CODEC_TYPE_AUDIO:
256ab3ed 2373 if (!audio_disable)
6625a3de 2374 st_index[CODEC_TYPE_AUDIO] = i;
01310af2
FB		 2375 break;
2376 case CODEC_TYPE_VIDEO:
16a59a7b 2377 case CODEC_TYPE_SUBTITLE:
256ab3ed
MN		 2378 if (!video_disable)
2379 st_index[avctx->codec_type] = i;
16a59a7b 2380 break;
01310af2
FB		 2381 default:
2382 break;
2383 }
2384 }
2385 if (show_status) {
2386 dump_format(ic, 0, is->filename, 0);
2387 }
2388
2389 /* open the streams */
6625a3de
MN		 2390 if (st_index[CODEC_TYPE_AUDIO] >= 0) {
2391 stream_component_open(is, st_index[CODEC_TYPE_AUDIO]);
01310af2
FB		 2392 }
2393
077a8d61 2394 ret=-1;
6625a3de
MN		 2395 if (st_index[CODEC_TYPE_VIDEO] >= 0) {
2396 ret= stream_component_open(is, st_index[CODEC_TYPE_VIDEO]);
077a8d61 2397 }
d38c9e7a 2398 is->refresh_tid = SDL_CreateThread(refresh_thread, is);
077a8d61 2399 if(ret<0) {
01310af2 2400 if (!display_disable)
bf8ae197 2401 is->show_audio = 2;
01310af2
FB		 2402 }
2403
6625a3de
MN		 2404 if (st_index[CODEC_TYPE_SUBTITLE] >= 0) {
2405 stream_component_open(is, st_index[CODEC_TYPE_SUBTITLE]);
16a59a7b
BA		 2406 }
2407
01310af2 2408 if (is->video_stream < 0 && is->audio_stream < 0) {
638c9d91
FB		 2409 fprintf(stderr, "%s: could not open codecs\n", is->filename);
2410 ret = -1;
01310af2
FB		 2411 goto fail;
2412 }
2413
2414 for(;;) {
2415 if (is->abort_request)
2416 break;
416e3508
FB		 2417 if (is->paused != is->last_paused) {
2418 is->last_paused = is->paused;
72ea344b 2419 if (is->paused)
f5668147 2420 is->read_pause_return= av_read_pause(ic);
72ea344b
FB		 2421 else
2422 av_read_play(ic);
416e3508 2423 }
2f642393
AJ		 2424#if CONFIG_RTSP_DEMUXER
2425 if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
416e3508
FB		 2426 /* wait 10 ms to avoid trying to get another packet */
2427 /* XXX: horrible */
2428 SDL_Delay(10);
2429 continue;
2430 }
400738b1 2431#endif
72ea344b 2432 if (is->seek_req) {
8e606cc8 2433 int64_t seek_target= is->seek_pos;
4ed29207
MN		 2434 int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2435 int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2436//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2437// of the seek_pos/seek_rel variables
8e606cc8 2438
4ed29207 2439 ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
72ea344b
FB		 2440 if (ret < 0) {
2441 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
e6c0297f
MN		 2442 }else{
2443 if (is->audio_stream >= 0) {
2444 packet_queue_flush(&is->audioq);
39c6a118 2445 packet_queue_put(&is->audioq, &flush_pkt);
e6c0297f 2446 }
72ce053b
IC		 2447 if (is->subtitle_stream >= 0) {
2448 packet_queue_flush(&is->subtitleq);
39c6a118 2449 packet_queue_put(&is->subtitleq, &flush_pkt);
72ce053b 2450 }
e6c0297f
MN		 2451 if (is->video_stream >= 0) {
2452 packet_queue_flush(&is->videoq);
39c6a118 2453 packet_queue_put(&is->videoq, &flush_pkt);
e6c0297f 2454 }
72ea344b
FB		 2455 }
2456 is->seek_req = 0;
e45aeb38 2457 eof= 0;
72ea344b 2458 }
416e3508 2459
01310af2 2460 /* if the queue are full, no need to read more */
79ee4683
MN		 2461 if ( is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2462 || ( (is->audioq .size > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2463 && (is->videoq .nb_packets > MIN_FRAMES || is->video_stream<0)
2464 && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
01310af2
FB		 2465 /* wait 10 ms */
2466 SDL_Delay(10);
2467 continue;
2468 }
75bb7b0a 2469 if(url_feof(ic->pb) || eof) {
9dc41767 2470 if(is->video_stream >= 0){
26534fe8
MN		 2471 av_init_packet(pkt);
2472 pkt->data=NULL;
2473 pkt->size=0;
2474 pkt->stream_index= is->video_stream;
2475 packet_queue_put(&is->videoq, pkt);
9dc41767 2476 }
b4083171 2477 SDL_Delay(10);
2d1653b0
MN		 2478 if(autoexit && is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2479 ret=AVERROR_EOF;
2480 goto fail;
2481 }
600a331c
MN		 2482 continue;
2483 }
72ea344b 2484 ret = av_read_frame(ic, pkt);
01310af2 2485 if (ret < 0) {
75bb7b0a
MN		 2486 if (ret == AVERROR_EOF)
2487 eof=1;
2488 if (url_ferror(ic->pb))
bb270c08 2489 break;
75bb7b0a
MN		 2490 SDL_Delay(100); /* wait for user event */
2491 continue;
01310af2
FB		 2492 }
2493 if (pkt->stream_index == is->audio_stream) {
2494 packet_queue_put(&is->audioq, pkt);
2495 } else if (pkt->stream_index == is->video_stream) {
2496 packet_queue_put(&is->videoq, pkt);
72ce053b
IC		 2497 } else if (pkt->stream_index == is->subtitle_stream) {
2498 packet_queue_put(&is->subtitleq, pkt);
01310af2
FB		 2499 } else {
2500 av_free_packet(pkt);
2501 }
2502 }
2503 /* wait until the end */
2504 while (!is->abort_request) {
2505 SDL_Delay(100);
2506 }
2507
638c9d91 2508 ret = 0;
01310af2 2509 fail:
416e3508
FB		 2510 /* disable interrupting */
2511 global_video_state = NULL;
2512
01310af2
FB		 2513 /* close each stream */
2514 if (is->audio_stream >= 0)
2515 stream_component_close(is, is->audio_stream);
2516 if (is->video_stream >= 0)
2517 stream_component_close(is, is->video_stream);
72ce053b
IC		 2518 if (is->subtitle_stream >= 0)
2519 stream_component_close(is, is->subtitle_stream);
638c9d91
FB		 2520 if (is->ic) {
2521 av_close_input_file(is->ic);
2522 is->ic = NULL; /* safety */
2523 }
416e3508
FB		 2524 url_set_interrupt_cb(NULL);
2525
638c9d91
FB		 2526 if (ret != 0) {
2527 SDL_Event event;
115329f1 2528
638c9d91
FB		 2529 event.type = FF_QUIT_EVENT;
2530 event.user.data1 = is;
2531 SDL_PushEvent(&event);
2532 }
01310af2
FB		 2533 return 0;
2534}
2535
638c9d91 2536static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
01310af2
FB		 2537{
2538 VideoState *is;
2539
2540 is = av_mallocz(sizeof(VideoState));
2541 if (!is)
2542 return NULL;
f7d78f36 2543 av_strlcpy(is->filename, filename, sizeof(is->filename));
638c9d91 2544 is->iformat = iformat;
01310af2
FB		 2545 is->ytop = 0;
2546 is->xleft = 0;
2547
2548 /* start video display */
2549 is->pictq_mutex = SDL_CreateMutex();
2550 is->pictq_cond = SDL_CreateCond();
115329f1 2551
72ce053b
IC		 2552 is->subpq_mutex = SDL_CreateMutex();
2553 is->subpq_cond = SDL_CreateCond();
115329f1 2554
638c9d91 2555 is->av_sync_type = av_sync_type;
01310af2
FB		 2556 is->parse_tid = SDL_CreateThread(decode_thread, is);
2557 if (!is->parse_tid) {
2558 av_free(is);
2559 return NULL;
2560 }
2561 return is;
2562}
2563
2564static void stream_close(VideoState *is)
2565{
2566 VideoPicture *vp;
2567 int i;
2568 /* XXX: use a special url_shutdown call to abort parse cleanly */
2569 is->abort_request = 1;
2570 SDL_WaitThread(is->parse_tid, NULL);
d38c9e7a 2571 SDL_WaitThread(is->refresh_tid, NULL);
01310af2
FB		 2572
2573 /* free all pictures */
2574 for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
2575 vp = &is->pictq[i];
917d2bb3
MN		 2576#if CONFIG_AVFILTER
2577 if (vp->picref) {
2578 avfilter_unref_pic(vp->picref);
2579 vp->picref = NULL;
2580 }
2581#endif
01310af2
FB		 2582 if (vp->bmp) {
2583 SDL_FreeYUVOverlay(vp->bmp);
2584 vp->bmp = NULL;
2585 }
2586 }
2587 SDL_DestroyMutex(is->pictq_mutex);
2588 SDL_DestroyCond(is->pictq_cond);
72ce053b
IC		 2589 SDL_DestroyMutex(is->subpq_mutex);
2590 SDL_DestroyCond(is->subpq_cond);
917d2bb3 2591#if !CONFIG_AVFILTER
3ac56e28
MS		 2592 if (is->img_convert_ctx)
2593 sws_freeContext(is->img_convert_ctx);
917d2bb3 2594#endif
7c5ab145 2595 av_free(is);
01310af2
FB		 2596}
2597
7b49ce2e 2598static void stream_cycle_channel(VideoState *is, int codec_type)
638c9d91
FB		 2599{
2600 AVFormatContext *ic = is->ic;
2601 int start_index, stream_index;
2602 AVStream *st;
2603
2604 if (codec_type == CODEC_TYPE_VIDEO)
2605 start_index = is->video_stream;
72ce053b 2606 else if (codec_type == CODEC_TYPE_AUDIO)
638c9d91 2607 start_index = is->audio_stream;
72ce053b
IC		 2608 else
2609 start_index = is->subtitle_stream;
2610 if (start_index < (codec_type == CODEC_TYPE_SUBTITLE ? -1 : 0))
638c9d91
FB		 2611 return;
2612 stream_index = start_index;
2613 for(;;) {
2614 if (++stream_index >= is->ic->nb_streams)
72ce053b
IC		 2615 {
2616 if (codec_type == CODEC_TYPE_SUBTITLE)
2617 {
2618 stream_index = -1;
2619 goto the_end;
2620 } else
2621 stream_index = 0;
2622 }
638c9d91
FB		 2623 if (stream_index == start_index)
2624 return;
2625 st = ic->streams[stream_index];
01f4895c 2626 if (st->codec->codec_type == codec_type) {
638c9d91
FB		 2627 /* check that parameters are OK */
2628 switch(codec_type) {
2629 case CODEC_TYPE_AUDIO:
01f4895c
MN		 2630 if (st->codec->sample_rate != 0 &&
2631 st->codec->channels != 0)
638c9d91
FB		 2632 goto the_end;
2633 break;
2634 case CODEC_TYPE_VIDEO:
72ce053b 2635 case CODEC_TYPE_SUBTITLE:
638c9d91
FB		 2636 goto the_end;
2637 default:
2638 break;
2639 }
2640 }
2641 }
2642 the_end:
2643 stream_component_close(is, start_index);
2644 stream_component_open(is, stream_index);
2645}
2646
2647
7b49ce2e 2648static void toggle_full_screen(void)
01310af2 2649{
01310af2 2650 is_full_screen = !is_full_screen;
29f3b38a
MR		 2651 if (!fs_screen_width) {
2652 /* use default SDL method */
fb84155b 2653// SDL_WM_ToggleFullScreen(screen);
01310af2 2654 }
fb84155b 2655 video_open(cur_stream);
01310af2
FB		 2656}
2657
7b49ce2e 2658static void toggle_pause(void)
01310af2
FB		 2659{
2660 if (cur_stream)
2661 stream_pause(cur_stream);
bba04f1e
WH		 2662 step = 0;
2663}
2664
7b49ce2e 2665static void step_to_next_frame(void)
bba04f1e
WH		 2666{
2667 if (cur_stream) {
19cc524a 2668 /* if the stream is paused unpause it, then step */
bba04f1e 2669 if (cur_stream->paused)
19cc524a 2670 stream_pause(cur_stream);
bba04f1e
WH		 2671 }
2672 step = 1;
01310af2
FB		 2673}
2674
7b49ce2e 2675static void do_exit(void)
01310af2 2676{
7c5ab145 2677 int i;
01310af2
FB		 2678 if (cur_stream) {
2679 stream_close(cur_stream);
2680 cur_stream = NULL;
2681 }
7c5ab145
MS		 2682 for (i = 0; i < CODEC_TYPE_NB; i++)
2683 av_free(avcodec_opts[i]);
2684 av_free(avformat_opts);
2685 av_free(sws_opts);
917d2bb3
MN		 2686#if CONFIG_AVFILTER
2687 avfilter_uninit();
2688#endif
01310af2
FB		 2689 if (show_status)
2690 printf("\n");
2691 SDL_Quit();
2692 exit(0);
2693}
2694
7b49ce2e 2695static void toggle_audio_display(void)
01310af2
FB		 2696{
2697 if (cur_stream) {
f5968788 2698 int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
12eeda34 2699 cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
f5968788
MN		 2700 fill_rectangle(screen,
2701 cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2702 bgcolor);
2703 SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
01310af2
FB		 2704 }
2705}
2706
2707/* handle an event sent by the GUI */
7b49ce2e 2708static void event_loop(void)
01310af2
FB		 2709{
2710 SDL_Event event;
a11d11aa 2711 double incr, pos, frac;
01310af2
FB		 2712
2713 for(;;) {
d52ec002 2714 double x;
01310af2
FB		 2715 SDL_WaitEvent(&event);
2716 switch(event.type) {
2717 case SDL_KEYDOWN:
2718 switch(event.key.keysym.sym) {
2719 case SDLK_ESCAPE:
2720 case SDLK_q:
2721 do_exit();
2722 break;
2723 case SDLK_f:
2724 toggle_full_screen();
2725 break;
2726 case SDLK_p:
2727 case SDLK_SPACE:
2728 toggle_pause();
2729 break;
bba04f1e
WH		 2730 case SDLK_s: //S: Step to next frame
2731 step_to_next_frame();
2732 break;
01310af2 2733 case SDLK_a:
115329f1 2734 if (cur_stream)
638c9d91
FB		 2735 stream_cycle_channel(cur_stream, CODEC_TYPE_AUDIO);
2736 break;
2737 case SDLK_v:
115329f1 2738 if (cur_stream)
638c9d91
FB		 2739 stream_cycle_channel(cur_stream, CODEC_TYPE_VIDEO);
2740 break;
72ce053b 2741 case SDLK_t:
115329f1 2742 if (cur_stream)
72ce053b
IC		 2743 stream_cycle_channel(cur_stream, CODEC_TYPE_SUBTITLE);
2744 break;
638c9d91 2745 case SDLK_w:
01310af2
FB		 2746 toggle_audio_display();
2747 break;
72ea344b
FB		 2748 case SDLK_LEFT:
2749 incr = -10.0;
2750 goto do_seek;
2751 case SDLK_RIGHT:
2752 incr = 10.0;
2753 goto do_seek;
2754 case SDLK_UP:
2755 incr = 60.0;
2756 goto do_seek;
2757 case SDLK_DOWN:
2758 incr = -60.0;
2759 do_seek:
2760 if (cur_stream) {
94b594c6 2761 if (seek_by_bytes) {
1a620dd7
MN		 2762 if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2763 pos= cur_stream->video_current_pos;
2764 }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2765 pos= cur_stream->audio_pkt.pos;
2766 }else
2767 pos = url_ftell(cur_stream->ic->pb);
94b594c6 2768 if (cur_stream->ic->bit_rate)
566cd2cb 2769 incr *= cur_stream->ic->bit_rate / 8.0;
94b594c6
SH		 2770 else
2771 incr *= 180000.0;
2772 pos += incr;
2ef46053 2773 stream_seek(cur_stream, pos, incr, 1);
94b594c6
SH		 2774 } else {
2775 pos = get_master_clock(cur_stream);
2776 pos += incr;
2ef46053 2777 stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
94b594c6 2778 }
72ea344b
FB		 2779 }
2780 break;
01310af2
FB		 2781 default:
2782 break;
2783 }
2784 break;
a11d11aa 2785 case SDL_MOUSEBUTTONDOWN:
d52ec002
MN		 2786 case SDL_MOUSEMOTION:
2787 if(event.type ==SDL_MOUSEBUTTONDOWN){
2788 x= event.button.x;
2789 }else{
2790 if(event.motion.state != SDL_PRESSED)
2791 break;
2792 x= event.motion.x;
2793 }
bb270c08 2794 if (cur_stream) {
2ef46053
MN		 2795 if(seek_by_bytes || cur_stream->ic->duration<=0){
2796 uint64_t size= url_fsize(cur_stream->ic->pb);
d52ec002 2797 stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2ef46053 2798 }else{
6371c81a
MN		 2799 int64_t ts;
2800 int ns, hh, mm, ss;
2801 int tns, thh, tmm, tss;
2802 tns = cur_stream->ic->duration/1000000LL;
2803 thh = tns/3600;
2804 tmm = (tns%3600)/60;
2805 tss = (tns%60);
d52ec002 2806 frac = x/cur_stream->width;
6371c81a
MN		 2807 ns = frac*tns;
2808 hh = ns/3600;
2809 mm = (ns%3600)/60;
2810 ss = (ns%60);
2811 fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
2812 hh, mm, ss, thh, tmm, tss);
2813 ts = frac*cur_stream->ic->duration;
2814 if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2815 ts += cur_stream->ic->start_time;
2816 stream_seek(cur_stream, ts, 0, 0);
2ef46053 2817 }
bb270c08
DB		 2818 }
2819 break;
01310af2
FB		 2820 case SDL_VIDEORESIZE:
2821 if (cur_stream) {
115329f1 2822 screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
01310af2 2823 SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
c57d3469
MN		 2824 screen_width = cur_stream->width = event.resize.w;
2825 screen_height= cur_stream->height= event.resize.h;
01310af2
FB		 2826 }
2827 break;
2828 case SDL_QUIT:
638c9d91 2829 case FF_QUIT_EVENT:
01310af2
FB		 2830 do_exit();
2831 break;
2832 case FF_ALLOC_EVENT:
fccb19e3 2833 video_open(event.user.data1);
01310af2
FB		 2834 alloc_picture(event.user.data1);
2835 break;
2836 case FF_REFRESH_EVENT:
2837 video_refresh_timer(event.user.data1);
d38c9e7a 2838 cur_stream->refresh=0;
01310af2
FB		 2839 break;
2840 default:
2841 break;
2842 }
2843 }
2844}
2845
e4b89522
LW		 2846static void opt_frame_size(const char *arg)
2847{
b33ece16 2848 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
e4b89522
LW		 2849 fprintf(stderr, "Incorrect frame size\n");
2850 exit(1);
2851 }
2852 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2853 fprintf(stderr, "Frame size must be a multiple of 2\n");
2854 exit(1);
2855 }
2856}
2857
a5b3b5f6 2858static int opt_width(const char *opt, const char *arg)
01310af2 2859{
a5b3b5f6
SS		 2860 screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2861 return 0;
01310af2
FB		 2862}
2863
a5b3b5f6 2864static int opt_height(const char *opt, const char *arg)
01310af2 2865{
a5b3b5f6
SS		 2866 screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2867 return 0;
01310af2
FB		 2868}
2869
2870static void opt_format(const char *arg)
2871{
2872 file_iformat = av_find_input_format(arg);
2873 if (!file_iformat) {
2874 fprintf(stderr, "Unknown input format: %s\n", arg);
2875 exit(1);
2876 }
2877}
61890b02 2878
e4b89522
LW		 2879static void opt_frame_pix_fmt(const char *arg)
2880{
718c7b18 2881 frame_pix_fmt = av_get_pix_fmt(arg);
e4b89522
LW		 2882}
2883
b81d6235 2884static int opt_sync(const char *opt, const char *arg)
638c9d91
FB		 2885{
2886 if (!strcmp(arg, "audio"))
2887 av_sync_type = AV_SYNC_AUDIO_MASTER;
2888 else if (!strcmp(arg, "video"))
2889 av_sync_type = AV_SYNC_VIDEO_MASTER;
2890 else if (!strcmp(arg, "ext"))
2891 av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
aab1b7e5 2892 else {
b81d6235 2893 fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
aab1b7e5
SS		 2894 exit(1);
2895 }
b81d6235 2896 return 0;
638c9d91
FB		 2897}
2898
e11bc2c6 2899static int opt_seek(const char *opt, const char *arg)
72ea344b 2900{
e11bc2c6
SS		 2901 start_time = parse_time_or_die(opt, arg, 1);
2902 return 0;
72ea344b
FB		 2903}
2904
a5b3b5f6 2905static int opt_debug(const char *opt, const char *arg)
e26a8335 2906{
a309073b 2907 av_log_set_level(99);
a5b3b5f6
SS		 2908 debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2909 return 0;
e26a8335 2910}
115329f1 2911
a5b3b5f6 2912static int opt_vismv(const char *opt, const char *arg)
0c9bbaec 2913{
a5b3b5f6
SS		 2914 debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2915 return 0;
0c9bbaec 2916}
c62c07d3 2917
a5b3b5f6 2918static int opt_thread_count(const char *opt, const char *arg)
c62c07d3 2919{
a5b3b5f6 2920 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
b250f9c6 2921#if !HAVE_THREADS
c62c07d3
MN		 2922 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2923#endif
a5b3b5f6 2924 return 0;
c62c07d3 2925}
115329f1 2926
358061f6 2927static const OptionDef options[] = {
992f8eae 2928#include "cmdutils_common_opts.h"
a5b3b5f6
SS		 2929 { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
2930 { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
e4b89522 2931 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
638c9d91 2932 { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
01310af2
FB		 2933 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2934 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
5b369983
MN		 2935 { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[CODEC_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
2936 { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[CODEC_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
2937 { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[CODEC_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
e11bc2c6 2938 { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
674fe163 2939 { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
01310af2
FB		 2940 { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
2941 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
e4b89522 2942 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
98ae6acf 2943 { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
a5b3b5f6 2944 { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
6387c3e6 2945 { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
a5b3b5f6 2946 { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
6fc5b059 2947 { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
30bc6613 2948 { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
59055363 2949 { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
178fcca8 2950 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
8c3eba7c
MN		 2951 { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
2952 { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
2953 { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
178fcca8 2954 { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
047599a4 2955 { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)", "threshold" },
1b51e051 2956 { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
b81d6235 2957 { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
a5b3b5f6 2958 { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
2d1653b0 2959 { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
d38c9e7a 2960 { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
917d2bb3
MN		 2961#if CONFIG_AVFILTER
2962 { "vfilters", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
2963#endif
2b3da32f 2964 { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
e43d7a18 2965 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
01310af2
FB		 2966 { NULL, },
2967};
2968
0c2a18cb 2969static void show_usage(void)
01310af2 2970{
27daa420
RP		 2971 printf("Simple media player\n");
2972 printf("usage: ffplay [options] input_file\n");
01310af2 2973 printf("\n");
0c2a18cb
RP		 2974}
2975
2976static void show_help(void)
2977{
2978 show_usage();
02d504a7
FB		 2979 show_help_options(options, "Main options:\n",
2980 OPT_EXPERT, 0);
2981 show_help_options(options, "\nAdvanced options:\n",
2982 OPT_EXPERT, OPT_EXPERT);
01310af2
FB		 2983 printf("\nWhile playing:\n"
2984 "q, ESC quit\n"
2985 "f toggle full screen\n"
2986 "p, SPC pause\n"
638c9d91
FB		 2987 "a cycle audio channel\n"
2988 "v cycle video channel\n"
72ce053b 2989 "t cycle subtitle channel\n"
638c9d91 2990 "w show audio waves\n"
72ea344b
FB		 2991 "left/right seek backward/forward 10 seconds\n"
2992 "down/up seek backward/forward 1 minute\n"
a11d11aa 2993 "mouse click seek to percentage in file corresponding to fraction of width\n"
01310af2 2994 );
01310af2
FB		 2995}
2996
358061f6 2997static void opt_input_file(const char *filename)
01310af2 2998{
07a70b38
SS		 2999 if (input_filename) {
3000 fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3001 filename, input_filename);
3002 exit(1);
3003 }
e8d83e1c 3004 if (!strcmp(filename, "-"))
9fcfc0b7 3005 filename = "pipe:";
01310af2
FB		 3006 input_filename = filename;
3007}
3008
3009/* Called from the main */
3010int main(int argc, char **argv)
3011{
e43d7a18 3012 int flags, i;
115329f1 3013
01310af2 3014 /* register all codecs, demux and protocols */
c721d803
LA		 3015 avcodec_register_all();
3016 avdevice_register_all();
917d2bb3
MN		 3017#if CONFIG_AVFILTER
3018 avfilter_register_all();
3019#endif
01310af2
FB		 3020 av_register_all();
3021
e43d7a18 3022 for(i=0; i<CODEC_TYPE_NB; i++){
636f1c4c 3023 avcodec_opts[i]= avcodec_alloc_context2(i);
e43d7a18 3024 }
8e2fd8e1 3025 avformat_opts = avformat_alloc_context();
917d2bb3 3026#if !CONFIG_AVFILTER
e43d7a18 3027 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
917d2bb3 3028#endif
e43d7a18 3029
ea9c581f 3030 show_banner();
4cfac5bc 3031
f5da5c93 3032 parse_options(argc, argv, options, opt_input_file);
01310af2 3033
aab1b7e5 3034 if (!input_filename) {
7f11e745 3035 show_usage();
7a7da6b4 3036 fprintf(stderr, "An input file must be specified\n");
7f11e745 3037 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
aab1b7e5
SS		 3038 exit(1);
3039 }
01310af2
FB		 3040
3041 if (display_disable) {
3042 video_disable = 1;
3043 }
31319a8c 3044 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
c97f5402
DB		 3045#if !defined(__MINGW32__) && !defined(__APPLE__)
3046 flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
31319a8c 3047#endif
01310af2 3048 if (SDL_Init (flags)) {
05ab0b76 3049 fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
01310af2
FB		 3050 exit(1);
3051 }
3052
3053 if (!display_disable) {
b250f9c6 3054#if HAVE_SDL_VIDEO_SIZE
3ef17d62
MR		 3055 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3056 fs_screen_width = vi->current_w;
3057 fs_screen_height = vi->current_h;
29f3b38a 3058#endif
01310af2
FB		 3059 }
3060
3061 SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
01310af2
FB		 3062 SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3063 SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3064
39c6a118
MN		 3065 av_init_packet(&flush_pkt);
3066 flush_pkt.data= "FLUSH";
3067
638c9d91 3068 cur_stream = stream_open(input_filename, file_iformat);
01310af2
FB		 3069
3070 event_loop();
3071
3072 /* never returns */
3073
3074 return 0;
3075}
Libav master