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HAVE_3DNOW --> HAVE_AMD3DNOW to sync with latest configure changes.
[libav.git] / ffplay.c
CommitLineData
01310af2
FB		 1/*
2 * FFplay : Simple Media Player based on the ffmpeg libraries
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
0f4e8165
RB		 22#include <math.h>
23#include <limits.h>
245976da
DB		 24#include "libavutil/avstring.h"
25#include "libavformat/avformat.h"
26#include "libavformat/rtsp.h"
27#include "libavdevice/avdevice.h"
28#include "libswscale/swscale.h"
5a4476e2 29#include "libavcodec/audioconvert.h"
e43d7a18 30#include "libavcodec/opt.h"
01310af2
FB		 31
32#include "cmdutils.h"
33
34#include <SDL.h>
35#include <SDL_thread.h>
36
2f30a81d 37#ifdef __MINGW32__
31319a8c
FB		 38#undef main /* We don't want SDL to override our main() */
39#endif
40
c367d067
MN		 41#undef exit
42
64555bd9 43const char program_name[] = "FFplay";
ea9c581f 44const int program_birth_year = 2003;
4cfac5bc 45
638c9d91
FB		 46//#define DEBUG_SYNC
47
01310af2
FB		 48#define MAX_VIDEOQ_SIZE (5 * 256 * 1024)
49#define MAX_AUDIOQ_SIZE (5 * 16 * 1024)
72ce053b 50#define MAX_SUBTITLEQ_SIZE (5 * 16 * 1024)
01310af2 51
638c9d91
FB		 52/* SDL audio buffer size, in samples. Should be small to have precise
53 A/V sync as SDL does not have hardware buffer fullness info. */
54#define SDL_AUDIO_BUFFER_SIZE 1024
55
56/* no AV sync correction is done if below the AV sync threshold */
7e0140cb 57#define AV_SYNC_THRESHOLD 0.01
638c9d91
FB		 58/* no AV correction is done if too big error */
59#define AV_NOSYNC_THRESHOLD 10.0
60
61/* maximum audio speed change to get correct sync */
62#define SAMPLE_CORRECTION_PERCENT_MAX 10
63
64/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
65#define AUDIO_DIFF_AVG_NB 20
66
01310af2
FB		 67/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
68#define SAMPLE_ARRAY_SIZE (2*65536)
69
03ae87a3
LA		 70static int sws_flags = SWS_BICUBIC;
71
01310af2
FB		 72typedef struct PacketQueue {
73 AVPacketList *first_pkt, *last_pkt;
74 int nb_packets;
75 int size;
76 int abort_request;
77 SDL_mutex *mutex;
78 SDL_cond *cond;
79} PacketQueue;
80
81#define VIDEO_PICTURE_QUEUE_SIZE 1
72ce053b 82#define SUBPICTURE_QUEUE_SIZE 4
01310af2
FB		 83
84typedef struct VideoPicture {
267e9dfa 85 double pts; ///<presentation time stamp for this picture
01310af2
FB		 86 SDL_Overlay *bmp;
87 int width, height; /* source height & width */
88 int allocated;
89} VideoPicture;
90
72ce053b
IC		 91typedef struct SubPicture {
92 double pts; /* presentation time stamp for this picture */
93 AVSubtitle sub;
94} SubPicture;
95
01310af2
FB		 96enum {
97 AV_SYNC_AUDIO_MASTER, /* default choice */
98 AV_SYNC_VIDEO_MASTER,
638c9d91 99 AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
01310af2
FB		 100};
101
102typedef struct VideoState {
103 SDL_Thread *parse_tid;
104 SDL_Thread *video_tid;
638c9d91 105 AVInputFormat *iformat;
01310af2
FB		 106 int no_background;
107 int abort_request;
108 int paused;
416e3508 109 int last_paused;
72ea344b 110 int seek_req;
3ba1438d 111 int seek_flags;
72ea344b 112 int64_t seek_pos;
01310af2
FB		 113 AVFormatContext *ic;
114 int dtg_active_format;
115
116 int audio_stream;
115329f1 117
01310af2 118 int av_sync_type;
638c9d91
FB		 119 double external_clock; /* external clock base */
120 int64_t external_clock_time;
115329f1 121
638c9d91
FB		 122 double audio_clock;
123 double audio_diff_cum; /* used for AV difference average computation */
124 double audio_diff_avg_coef;
125 double audio_diff_threshold;
126 int audio_diff_avg_count;
01310af2
FB		 127 AVStream *audio_st;
128 PacketQueue audioq;
129 int audio_hw_buf_size;
130 /* samples output by the codec. we reserve more space for avsync
131 compensation */
5a4476e2
PR		 132 DECLARE_ALIGNED(16,uint8_t,audio_buf1[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2]);
133 DECLARE_ALIGNED(16,uint8_t,audio_buf2[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2]);
134 uint8_t *audio_buf;
7fea94ce 135 unsigned int audio_buf_size; /* in bytes */
01310af2
FB		 136 int audio_buf_index; /* in bytes */
137 AVPacket audio_pkt;
138 uint8_t *audio_pkt_data;
139 int audio_pkt_size;
5a4476e2
PR		 140 enum SampleFormat audio_src_fmt;
141 AVAudioConvert *reformat_ctx;
115329f1 142
01310af2
FB		 143 int show_audio; /* if true, display audio samples */
144 int16_t sample_array[SAMPLE_ARRAY_SIZE];
145 int sample_array_index;
5e0257e3 146 int last_i_start;
115329f1 147
72ce053b
IC		 148 SDL_Thread *subtitle_tid;
149 int subtitle_stream;
150 int subtitle_stream_changed;
151 AVStream *subtitle_st;
152 PacketQueue subtitleq;
153 SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
154 int subpq_size, subpq_rindex, subpq_windex;
155 SDL_mutex *subpq_mutex;
156 SDL_cond *subpq_cond;
115329f1 157
638c9d91
FB		 158 double frame_timer;
159 double frame_last_pts;
160 double frame_last_delay;
115329f1 161 double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame
01310af2
FB		 162 int video_stream;
163 AVStream *video_st;
164 PacketQueue videoq;
267e9dfa
MN		 165 double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
166 int64_t video_current_pts_time; ///<time (av_gettime) at which we updated video_current_pts - used to have running video pts
01310af2
FB		 167 VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
168 int pictq_size, pictq_rindex, pictq_windex;
169 SDL_mutex *pictq_mutex;
170 SDL_cond *pictq_cond;
115329f1 171
01310af2
FB		 172 // QETimer *video_timer;
173 char filename[1024];
174 int width, height, xleft, ytop;
175} VideoState;
176
358061f6 177static void show_help(void);
638c9d91 178static int audio_write_get_buf_size(VideoState *is);
01310af2
FB		 179
180/* options specified by the user */
181static AVInputFormat *file_iformat;
182static const char *input_filename;
183static int fs_screen_width;
184static int fs_screen_height;
fccb19e3
MN		 185static int screen_width = 0;
186static int screen_height = 0;
e4b89522
LW		 187static int frame_width = 0;
188static int frame_height = 0;
189static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
01310af2
FB		 190static int audio_disable;
191static int video_disable;
a8062103 192static int wanted_audio_stream= 0;
4d8243d3 193static int wanted_video_stream= 0;
94b594c6 194static int seek_by_bytes;
01310af2
FB		 195static int display_disable;
196static int show_status;
638c9d91 197static int av_sync_type = AV_SYNC_AUDIO_MASTER;
72ea344b 198static int64_t start_time = AV_NOPTS_VALUE;
e26a8335 199static int debug = 0;
0c9bbaec 200static int debug_mv = 0;
bba04f1e 201static int step = 0;
c62c07d3 202static int thread_count = 1;
6387c3e6 203static int workaround_bugs = 1;
6fc5b059 204static int fast = 0;
30bc6613 205static int genpts = 0;
178fcca8
MN		 206static int lowres = 0;
207static int idct = FF_IDCT_AUTO;
8c3eba7c
MN		 208static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
209static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
210static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
047599a4 211static int error_recognition = FF_ER_CAREFUL;
1b51e051 212static int error_concealment = 3;
5039185a 213static int decoder_reorder_pts= 0;
01310af2
FB		 214
215/* current context */
216static int is_full_screen;
217static VideoState *cur_stream;
5e0257e3 218static int64_t audio_callback_time;
01310af2 219
2c676c33 220static AVPacket flush_pkt;
39c6a118 221
01310af2
FB		 222#define FF_ALLOC_EVENT (SDL_USEREVENT)
223#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
638c9d91 224#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
01310af2 225
2c676c33 226static SDL_Surface *screen;
01310af2
FB		 227
228/* packet queue handling */
229static void packet_queue_init(PacketQueue *q)
230{
231 memset(q, 0, sizeof(PacketQueue));
232 q->mutex = SDL_CreateMutex();
233 q->cond = SDL_CreateCond();
234}
235
72ea344b 236static void packet_queue_flush(PacketQueue *q)
01310af2
FB		 237{
238 AVPacketList *pkt, *pkt1;
239
687fae2b 240 SDL_LockMutex(q->mutex);
01310af2
FB		 241 for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
242 pkt1 = pkt->next;
243 av_free_packet(&pkt->pkt);
da6c4573 244 av_freep(&pkt);
01310af2 245 }
72ea344b
FB		 246 q->last_pkt = NULL;
247 q->first_pkt = NULL;
248 q->nb_packets = 0;
249 q->size = 0;
687fae2b 250 SDL_UnlockMutex(q->mutex);
72ea344b
FB		 251}
252
253static void packet_queue_end(PacketQueue *q)
254{
255 packet_queue_flush(q);
01310af2
FB		 256 SDL_DestroyMutex(q->mutex);
257 SDL_DestroyCond(q->cond);
258}
259
260static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
261{
262 AVPacketList *pkt1;
263
72ea344b 264 /* duplicate the packet */
39c6a118 265 if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
72ea344b 266 return -1;
115329f1 267
01310af2
FB		 268 pkt1 = av_malloc(sizeof(AVPacketList));
269 if (!pkt1)
270 return -1;
271 pkt1->pkt = *pkt;
272 pkt1->next = NULL;
273
72ea344b 274
01310af2
FB		 275 SDL_LockMutex(q->mutex);
276
277 if (!q->last_pkt)
278
279 q->first_pkt = pkt1;
280 else
281 q->last_pkt->next = pkt1;
282 q->last_pkt = pkt1;
283 q->nb_packets++;
284 q->size += pkt1->pkt.size;
285 /* XXX: should duplicate packet data in DV case */
286 SDL_CondSignal(q->cond);
287
288 SDL_UnlockMutex(q->mutex);
289 return 0;
290}
291
292static void packet_queue_abort(PacketQueue *q)
293{
294 SDL_LockMutex(q->mutex);
295
296 q->abort_request = 1;
115329f1 297
01310af2
FB		 298 SDL_CondSignal(q->cond);
299
300 SDL_UnlockMutex(q->mutex);
301}
302
303/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
304static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
305{
306 AVPacketList *pkt1;
307 int ret;
308
309 SDL_LockMutex(q->mutex);
310
311 for(;;) {
312 if (q->abort_request) {
313 ret = -1;
314 break;
315 }
115329f1 316
01310af2
FB		 317 pkt1 = q->first_pkt;
318 if (pkt1) {
319 q->first_pkt = pkt1->next;
320 if (!q->first_pkt)
321 q->last_pkt = NULL;
322 q->nb_packets--;
323 q->size -= pkt1->pkt.size;
324 *pkt = pkt1->pkt;
325 av_free(pkt1);
326 ret = 1;
327 break;
328 } else if (!block) {
329 ret = 0;
330 break;
331 } else {
332 SDL_CondWait(q->cond, q->mutex);
333 }
334 }
335 SDL_UnlockMutex(q->mutex);
336 return ret;
337}
338
115329f1 339static inline void fill_rectangle(SDL_Surface *screen,
01310af2
FB		 340 int x, int y, int w, int h, int color)
341{
342 SDL_Rect rect;
343 rect.x = x;
344 rect.y = y;
345 rect.w = w;
346 rect.h = h;
347 SDL_FillRect(screen, &rect, color);
348}
349
350#if 0
351/* draw only the border of a rectangle */
352void fill_border(VideoState *s, int x, int y, int w, int h, int color)
353{
354 int w1, w2, h1, h2;
355
356 /* fill the background */
357 w1 = x;
358 if (w1 < 0)
359 w1 = 0;
360 w2 = s->width - (x + w);
361 if (w2 < 0)
362 w2 = 0;
363 h1 = y;
364 if (h1 < 0)
365 h1 = 0;
366 h2 = s->height - (y + h);
367 if (h2 < 0)
368 h2 = 0;
115329f1
DB		 369 fill_rectangle(screen,
370 s->xleft, s->ytop,
371 w1, s->height,
01310af2 372 color);
115329f1
DB		 373 fill_rectangle(screen,
374 s->xleft + s->width - w2, s->ytop,
375 w2, s->height,
01310af2 376 color);
115329f1
DB		 377 fill_rectangle(screen,
378 s->xleft + w1, s->ytop,
379 s->width - w1 - w2, h1,
01310af2 380 color);
115329f1 381 fill_rectangle(screen,
01310af2
FB		 382 s->xleft + w1, s->ytop + s->height - h2,
383 s->width - w1 - w2, h2,
384 color);
385}
386#endif
387
72ce053b
IC		 388
389
390#define SCALEBITS 10
391#define ONE_HALF (1 << (SCALEBITS - 1))
392#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
393
394#define RGB_TO_Y_CCIR(r, g, b) \
395((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \
396 FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
397
398#define RGB_TO_U_CCIR(r1, g1, b1, shift)\
399(((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \
400 FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
401
402#define RGB_TO_V_CCIR(r1, g1, b1, shift)\
403(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
404 FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
405
406#define ALPHA_BLEND(a, oldp, newp, s)\
407((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
408
409#define RGBA_IN(r, g, b, a, s)\
410{\
411 unsigned int v = ((const uint32_t *)(s))[0];\
412 a = (v >> 24) & 0xff;\
413 r = (v >> 16) & 0xff;\
414 g = (v >> 8) & 0xff;\
415 b = v & 0xff;\
416}
417
418#define YUVA_IN(y, u, v, a, s, pal)\
419{\
57cf99f2 420 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
72ce053b
IC		 421 a = (val >> 24) & 0xff;\
422 y = (val >> 16) & 0xff;\
423 u = (val >> 8) & 0xff;\
424 v = val & 0xff;\
425}
426
427#define YUVA_OUT(d, y, u, v, a)\
428{\
429 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
430}
431
432
433#define BPP 1
434
0a8cd696 435static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
72ce053b
IC		 436{
437 int wrap, wrap3, width2, skip2;
438 int y, u, v, a, u1, v1, a1, w, h;
439 uint8_t *lum, *cb, *cr;
440 const uint8_t *p;
441 const uint32_t *pal;
9cb5a11e
RD		 442 int dstx, dsty, dstw, dsth;
443
7cf9c6ae
MN		 444 dstw = av_clip(rect->w, 0, imgw);
445 dsth = av_clip(rect->h, 0, imgh);
446 dstx = av_clip(rect->x, 0, imgw - dstw);
447 dsty = av_clip(rect->y, 0, imgh - dsth);
9cb5a11e
RD		 448 lum = dst->data[0] + dsty * dst->linesize[0];
449 cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
450 cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
451
452 width2 = (dstw + 1) >> 1;
453 skip2 = dstx >> 1;
72ce053b 454 wrap = dst->linesize[0];
25b4c651
MN		 455 wrap3 = rect->pict.linesize[0];
456 p = rect->pict.data[0];
457 pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
115329f1 458
9cb5a11e
RD		 459 if (dsty & 1) {
460 lum += dstx;
72ce053b
IC		 461 cb += skip2;
462 cr += skip2;
115329f1 463
9cb5a11e 464 if (dstx & 1) {
72ce053b
IC		 465 YUVA_IN(y, u, v, a, p, pal);
466 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
467 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
468 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
469 cb++;
470 cr++;
471 lum++;
472 p += BPP;
473 }
9cb5a11e 474 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC		 475 YUVA_IN(y, u, v, a, p, pal);
476 u1 = u;
477 v1 = v;
478 a1 = a;
479 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
480
481 YUVA_IN(y, u, v, a, p + BPP, pal);
482 u1 += u;
483 v1 += v;
484 a1 += a;
485 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
486 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
487 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
488 cb++;
489 cr++;
490 p += 2 * BPP;
491 lum += 2;
492 }
493 if (w) {
494 YUVA_IN(y, u, v, a, p, pal);
495 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
496 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
497 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
498 }
9cb5a11e
RD		 499 p += wrap3 + (wrap3 - dstw * BPP);
500 lum += wrap + (wrap - dstw - dstx);
72ce053b
IC		 501 cb += dst->linesize[1] - width2 - skip2;
502 cr += dst->linesize[2] - width2 - skip2;
503 }
9cb5a11e
RD		 504 for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
505 lum += dstx;
72ce053b
IC		 506 cb += skip2;
507 cr += skip2;
115329f1 508
9cb5a11e 509 if (dstx & 1) {
72ce053b
IC		 510 YUVA_IN(y, u, v, a, p, pal);
511 u1 = u;
512 v1 = v;
513 a1 = a;
514 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
515 p += wrap3;
516 lum += wrap;
517 YUVA_IN(y, u, v, a, p, pal);
518 u1 += u;
519 v1 += v;
520 a1 += a;
521 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
522 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
523 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
524 cb++;
525 cr++;
526 p += -wrap3 + BPP;
527 lum += -wrap + 1;
528 }
9cb5a11e 529 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC		 530 YUVA_IN(y, u, v, a, p, pal);
531 u1 = u;
532 v1 = v;
533 a1 = a;
534 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
535
536 YUVA_IN(y, u, v, a, p, pal);
537 u1 += u;
538 v1 += v;
539 a1 += a;
540 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
541 p += wrap3;
542 lum += wrap;
543
544 YUVA_IN(y, u, v, a, p, pal);
545 u1 += u;
546 v1 += v;
547 a1 += a;
548 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
549
550 YUVA_IN(y, u, v, a, p, pal);
551 u1 += u;
552 v1 += v;
553 a1 += a;
554 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
555
556 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
557 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
558
559 cb++;
560 cr++;
561 p += -wrap3 + 2 * BPP;
562 lum += -wrap + 2;
563 }
564 if (w) {
565 YUVA_IN(y, u, v, a, p, pal);
566 u1 = u;
567 v1 = v;
568 a1 = a;
569 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
570 p += wrap3;
571 lum += wrap;
572 YUVA_IN(y, u, v, a, p, pal);
573 u1 += u;
574 v1 += v;
575 a1 += a;
576 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
577 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
578 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
579 cb++;
580 cr++;
581 p += -wrap3 + BPP;
582 lum += -wrap + 1;
583 }
9cb5a11e
RD		 584 p += wrap3 + (wrap3 - dstw * BPP);
585 lum += wrap + (wrap - dstw - dstx);
72ce053b
IC		 586 cb += dst->linesize[1] - width2 - skip2;
587 cr += dst->linesize[2] - width2 - skip2;
588 }
589 /* handle odd height */
590 if (h) {
9cb5a11e 591 lum += dstx;
72ce053b
IC		 592 cb += skip2;
593 cr += skip2;
115329f1 594
9cb5a11e 595 if (dstx & 1) {
72ce053b
IC		 596 YUVA_IN(y, u, v, a, p, pal);
597 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
598 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
599 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
600 cb++;
601 cr++;
602 lum++;
603 p += BPP;
604 }
9cb5a11e 605 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC		 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
612 YUVA_IN(y, u, v, a, p + BPP, pal);
613 u1 += u;
614 v1 += v;
615 a1 += a;
616 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
617 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
618 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
619 cb++;
620 cr++;
621 p += 2 * BPP;
622 lum += 2;
623 }
624 if (w) {
625 YUVA_IN(y, u, v, a, p, pal);
626 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
627 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
628 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
629 }
630 }
631}
632
633static void free_subpicture(SubPicture *sp)
634{
635 int i;
115329f1 636
72ce053b
IC		 637 for (i = 0; i < sp->sub.num_rects; i++)
638 {
25b4c651
MN		 639 av_freep(&sp->sub.rects[i]->pict.data[0]);
640 av_freep(&sp->sub.rects[i]->pict.data[1]);
db4fac64 641 av_freep(&sp->sub.rects[i]);
72ce053b 642 }
115329f1 643
72ce053b 644 av_free(sp->sub.rects);
115329f1 645
72ce053b
IC		 646 memset(&sp->sub, 0, sizeof(AVSubtitle));
647}
648
01310af2
FB		 649static void video_image_display(VideoState *is)
650{
651 VideoPicture *vp;
72ce053b
IC		 652 SubPicture *sp;
653 AVPicture pict;
01310af2
FB		 654 float aspect_ratio;
655 int width, height, x, y;
656 SDL_Rect rect;
72ce053b 657 int i;
01310af2
FB		 658
659 vp = &is->pictq[is->pictq_rindex];
660 if (vp->bmp) {
661 /* XXX: use variable in the frame */
c30a4489
AJ		 662 if (is->video_st->sample_aspect_ratio.num)
663 aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
664 else if (is->video_st->codec->sample_aspect_ratio.num)
665 aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
72ea344b 666 else
c30a4489 667 aspect_ratio = 0;
01310af2 668 if (aspect_ratio <= 0.0)
c30a4489
AJ		 669 aspect_ratio = 1.0;
670 aspect_ratio *= (float)is->video_st->codec->width / is->video_st->codec->height;
01310af2
FB		 671 /* if an active format is indicated, then it overrides the
672 mpeg format */
673#if 0
01f4895c
MN		 674 if (is->video_st->codec->dtg_active_format != is->dtg_active_format) {
675 is->dtg_active_format = is->video_st->codec->dtg_active_format;
01310af2
FB		 676 printf("dtg_active_format=%d\n", is->dtg_active_format);
677 }
678#endif
679#if 0
01f4895c 680 switch(is->video_st->codec->dtg_active_format) {
01310af2
FB		 681 case FF_DTG_AFD_SAME:
682 default:
683 /* nothing to do */
684 break;
685 case FF_DTG_AFD_4_3:
686 aspect_ratio = 4.0 / 3.0;
687 break;
688 case FF_DTG_AFD_16_9:
689 aspect_ratio = 16.0 / 9.0;
690 break;
691 case FF_DTG_AFD_14_9:
692 aspect_ratio = 14.0 / 9.0;
693 break;
694 case FF_DTG_AFD_4_3_SP_14_9:
695 aspect_ratio = 14.0 / 9.0;
696 break;
697 case FF_DTG_AFD_16_9_SP_14_9:
698 aspect_ratio = 14.0 / 9.0;
699 break;
700 case FF_DTG_AFD_SP_4_3:
701 aspect_ratio = 4.0 / 3.0;
702 break;
703 }
704#endif
705
72ce053b
IC		 706 if (is->subtitle_st)
707 {
708 if (is->subpq_size > 0)
709 {
710 sp = &is->subpq[is->subpq_rindex];
711
712 if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
713 {
714 SDL_LockYUVOverlay (vp->bmp);
715
716 pict.data[0] = vp->bmp->pixels[0];
717 pict.data[1] = vp->bmp->pixels[2];
718 pict.data[2] = vp->bmp->pixels[1];
719
720 pict.linesize[0] = vp->bmp->pitches[0];
721 pict.linesize[1] = vp->bmp->pitches[2];
722 pict.linesize[2] = vp->bmp->pitches[1];
723
724 for (i = 0; i < sp->sub.num_rects; i++)
db4fac64 725 blend_subrect(&pict, sp->sub.rects[i],
0a8cd696 726 vp->bmp->w, vp->bmp->h);
72ce053b
IC		 727
728 SDL_UnlockYUVOverlay (vp->bmp);
729 }
730 }
731 }
732
733
01310af2
FB		 734 /* XXX: we suppose the screen has a 1.0 pixel ratio */
735 height = is->height;
bb6c34e5 736 width = ((int)rint(height * aspect_ratio)) & ~1;
01310af2
FB		 737 if (width > is->width) {
738 width = is->width;
bb6c34e5 739 height = ((int)rint(width / aspect_ratio)) & ~1;
01310af2
FB		 740 }
741 x = (is->width - width) / 2;
742 y = (is->height - height) / 2;
743 if (!is->no_background) {
744 /* fill the background */
745 // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
746 } else {
747 is->no_background = 0;
748 }
749 rect.x = is->xleft + x;
2f6547fb 750 rect.y = is->ytop + y;
01310af2
FB		 751 rect.w = width;
752 rect.h = height;
753 SDL_DisplayYUVOverlay(vp->bmp, &rect);
754 } else {
755#if 0
115329f1
DB		 756 fill_rectangle(screen,
757 is->xleft, is->ytop, is->width, is->height,
01310af2
FB		 758 QERGB(0x00, 0x00, 0x00));
759#endif
760 }
761}
762
763static inline int compute_mod(int a, int b)
764{
765 a = a % b;
115329f1 766 if (a >= 0)
01310af2
FB		 767 return a;
768 else
769 return a + b;
770}
771
772static void video_audio_display(VideoState *s)
773{
774 int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
775 int ch, channels, h, h2, bgcolor, fgcolor;
776 int16_t time_diff;
115329f1 777
01310af2 778 /* compute display index : center on currently output samples */
01f4895c 779 channels = s->audio_st->codec->channels;
01310af2 780 nb_display_channels = channels;
5e0257e3
FB		 781 if (!s->paused) {
782 n = 2 * channels;
783 delay = audio_write_get_buf_size(s);
784 delay /= n;
115329f1 785
5e0257e3
FB		 786 /* to be more precise, we take into account the time spent since
787 the last buffer computation */
788 if (audio_callback_time) {
789 time_diff = av_gettime() - audio_callback_time;
01f4895c 790 delay += (time_diff * s->audio_st->codec->sample_rate) / 1000000;
5e0257e3 791 }
115329f1 792
5e0257e3
FB		 793 delay -= s->width / 2;
794 if (delay < s->width)
795 delay = s->width;
ac50bcc8
MN		 796
797 i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
798
799 h= INT_MIN;
800 for(i=0; i<1000; i+=channels){
801 int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
802 int a= s->sample_array[idx];
803 int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
804 int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
805 int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
806 int score= a-d;
807 if(h<score && (b^c)<0){
808 h= score;
809 i_start= idx;
810 }
811 }
812
5e0257e3
FB		 813 s->last_i_start = i_start;
814 } else {
815 i_start = s->last_i_start;
01310af2
FB		 816 }
817
01310af2 818 bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
115329f1
DB		 819 fill_rectangle(screen,
820 s->xleft, s->ytop, s->width, s->height,
01310af2
FB		 821 bgcolor);
822
823 fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
824
825 /* total height for one channel */
826 h = s->height / nb_display_channels;
827 /* graph height / 2 */
828 h2 = (h * 9) / 20;
829 for(ch = 0;ch < nb_display_channels; ch++) {
830 i = i_start + ch;
831 y1 = s->ytop + ch * h + (h / 2); /* position of center line */
832 for(x = 0; x < s->width; x++) {
833 y = (s->sample_array[i] * h2) >> 15;
834 if (y < 0) {
835 y = -y;
836 ys = y1 - y;
837 } else {
838 ys = y1;
839 }
115329f1
DB		 840 fill_rectangle(screen,
841 s->xleft + x, ys, 1, y,
01310af2
FB		 842 fgcolor);
843 i += channels;
844 if (i >= SAMPLE_ARRAY_SIZE)
845 i -= SAMPLE_ARRAY_SIZE;
846 }
847 }
848
849 fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
850
851 for(ch = 1;ch < nb_display_channels; ch++) {
852 y = s->ytop + ch * h;
115329f1
DB		 853 fill_rectangle(screen,
854 s->xleft, y, s->width, 1,
01310af2
FB		 855 fgcolor);
856 }
857 SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
858}
859
990c8438
MN		 860static int video_open(VideoState *is){
861 int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
862 int w,h;
863
fb84155b
MN		 864 if(is_full_screen) flags |= SDL_FULLSCREEN;
865 else flags |= SDL_RESIZABLE;
866
990c8438
MN		 867 if (is_full_screen && fs_screen_width) {
868 w = fs_screen_width;
869 h = fs_screen_height;
fb84155b
MN		 870 } else if(!is_full_screen && screen_width){
871 w = screen_width;
872 h = screen_height;
873 }else if (is->video_st && is->video_st->codec->width){
874 w = is->video_st->codec->width;
875 h = is->video_st->codec->height;
990c8438 876 } else {
fb84155b
MN		 877 w = 640;
878 h = 480;
990c8438 879 }
c97f5402 880#ifndef __APPLE__
990c8438
MN		 881 screen = SDL_SetVideoMode(w, h, 0, flags);
882#else
883 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
884 screen = SDL_SetVideoMode(w, h, 24, flags);
885#endif
886 if (!screen) {
887 fprintf(stderr, "SDL: could not set video mode - exiting\n");
888 return -1;
889 }
890 SDL_WM_SetCaption("FFplay", "FFplay");
891
892 is->width = screen->w;
893 is->height = screen->h;
894
895 return 0;
896}
8c982c5d 897
01310af2
FB		 898/* display the current picture, if any */
899static void video_display(VideoState *is)
900{
8c982c5d
MN		 901 if(!screen)
902 video_open(cur_stream);
115329f1 903 if (is->audio_st && is->show_audio)
01310af2
FB		 904 video_audio_display(is);
905 else if (is->video_st)
906 video_image_display(is);
907}
908
909static Uint32 sdl_refresh_timer_cb(Uint32 interval, void *opaque)
910{
911 SDL_Event event;
912 event.type = FF_REFRESH_EVENT;
913 event.user.data1 = opaque;
914 SDL_PushEvent(&event);
915 return 0; /* 0 means stop timer */
916}
917
918/* schedule a video refresh in 'delay' ms */
919static void schedule_refresh(VideoState *is, int delay)
920{
cc1f91d7 921 if(!delay) delay=1; //SDL seems to be buggy when the delay is 0
01310af2
FB		 922 SDL_AddTimer(delay, sdl_refresh_timer_cb, is);
923}
924
638c9d91
FB		 925/* get the current audio clock value */
926static double get_audio_clock(VideoState *is)
927{
928 double pts;
929 int hw_buf_size, bytes_per_sec;
930 pts = is->audio_clock;
931 hw_buf_size = audio_write_get_buf_size(is);
932 bytes_per_sec = 0;
933 if (is->audio_st) {
115329f1 934 bytes_per_sec = is->audio_st->codec->sample_rate *
01f4895c 935 2 * is->audio_st->codec->channels;
638c9d91
FB		 936 }
937 if (bytes_per_sec)
938 pts -= (double)hw_buf_size / bytes_per_sec;
939 return pts;
940}
941
942/* get the current video clock value */
943static double get_video_clock(VideoState *is)
944{
945 double delta;
04108619 946 if (is->paused) {
72ea344b
FB		 947 delta = 0;
948 } else {
949 delta = (av_gettime() - is->video_current_pts_time) / 1000000.0;
950 }
638c9d91
FB		 951 return is->video_current_pts + delta;
952}
953
954/* get the current external clock value */
955static double get_external_clock(VideoState *is)
956{
957 int64_t ti;
958 ti = av_gettime();
959 return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
960}
961
962/* get the current master clock value */
963static double get_master_clock(VideoState *is)
964{
965 double val;
966
72ea344b
FB		 967 if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
968 if (is->video_st)
969 val = get_video_clock(is);
970 else
971 val = get_audio_clock(is);
972 } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
973 if (is->audio_st)
974 val = get_audio_clock(is);
975 else
976 val = get_video_clock(is);
977 } else {
638c9d91 978 val = get_external_clock(is);
72ea344b 979 }
638c9d91
FB		 980 return val;
981}
982
72ea344b 983/* seek in the stream */
3ba1438d 984static void stream_seek(VideoState *is, int64_t pos, int rel)
72ea344b 985{
687fae2b
IW		 986 if (!is->seek_req) {
987 is->seek_pos = pos;
988 is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0;
94b594c6
SH		 989 if (seek_by_bytes)
990 is->seek_flags |= AVSEEK_FLAG_BYTE;
687fae2b
IW		 991 is->seek_req = 1;
992 }
72ea344b
FB		 993}
994
995/* pause or resume the video */
996static void stream_pause(VideoState *is)
997{
998 is->paused = !is->paused;
917fa192 999 if (!is->paused) {
72ea344b 1000 is->video_current_pts = get_video_clock(is);
917fa192 1001 is->frame_timer += (av_gettime() - is->video_current_pts_time) / 1000000.0;
72ea344b
FB		 1002 }
1003}
1004
01310af2
FB		 1005/* called to display each frame */
1006static void video_refresh_timer(void *opaque)
1007{
1008 VideoState *is = opaque;
1009 VideoPicture *vp;
638c9d91
FB		 1010 double actual_delay, delay, sync_threshold, ref_clock, diff;
1011
72ce053b 1012 SubPicture *sp, *sp2;
01310af2
FB		 1013
1014 if (is->video_st) {
1015 if (is->pictq_size == 0) {
1016 /* if no picture, need to wait */
7e0140cb 1017 schedule_refresh(is, 1);
01310af2 1018 } else {
638c9d91 1019 /* dequeue the picture */
01310af2 1020 vp = &is->pictq[is->pictq_rindex];
638c9d91
FB		 1021
1022 /* update current video pts */
1023 is->video_current_pts = vp->pts;
1024 is->video_current_pts_time = av_gettime();
1025
1026 /* compute nominal delay */
1027 delay = vp->pts - is->frame_last_pts;
3a3ee96c 1028 if (delay <= 0 || delay >= 10.0) {
638c9d91
FB		 1029 /* if incorrect delay, use previous one */
1030 delay = is->frame_last_delay;
1031 }
1032 is->frame_last_delay = delay;
1033 is->frame_last_pts = vp->pts;
1034
1035 /* update delay to follow master synchronisation source */
1036 if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1037 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1038 /* if video is slave, we try to correct big delays by
1039 duplicating or deleting a frame */
1040 ref_clock = get_master_clock(is);
1041 diff = vp->pts - ref_clock;
115329f1 1042
638c9d91
FB		 1043 /* skip or repeat frame. We take into account the
1044 delay to compute the threshold. I still don't know
1045 if it is the best guess */
8a9d72a0 1046 sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
638c9d91
FB		 1047 if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1048 if (diff <= -sync_threshold)
1049 delay = 0;
1050 else if (diff >= sync_threshold)
1051 delay = 2 * delay;
1052 }
1053 }
1054
1055 is->frame_timer += delay;
1056 /* compute the REAL delay (we need to do that to avoid
1057 long term errors */
1058 actual_delay = is->frame_timer - (av_gettime() / 1000000.0);
1059 if (actual_delay < 0.010) {
1060 /* XXX: should skip picture */
1061 actual_delay = 0.010;
1062 }
01310af2 1063 /* launch timer for next picture */
638c9d91
FB		 1064 schedule_refresh(is, (int)(actual_delay * 1000 + 0.5));
1065
1066#if defined(DEBUG_SYNC)
115329f1 1067 printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
638c9d91
FB		 1068 delay, actual_delay, vp->pts, -diff);
1069#endif
01310af2 1070
72ce053b
IC		 1071 if(is->subtitle_st) {
1072 if (is->subtitle_stream_changed) {
1073 SDL_LockMutex(is->subpq_mutex);
115329f1 1074
72ce053b
IC		 1075 while (is->subpq_size) {
1076 free_subpicture(&is->subpq[is->subpq_rindex]);
115329f1 1077
72ce053b
IC		 1078 /* update queue size and signal for next picture */
1079 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1080 is->subpq_rindex = 0;
115329f1 1081
72ce053b
IC		 1082 is->subpq_size--;
1083 }
1084 is->subtitle_stream_changed = 0;
1085
1086 SDL_CondSignal(is->subpq_cond);
1087 SDL_UnlockMutex(is->subpq_mutex);
1088 } else {
1089 if (is->subpq_size > 0) {
1090 sp = &is->subpq[is->subpq_rindex];
1091
1092 if (is->subpq_size > 1)
1093 sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1094 else
1095 sp2 = NULL;
1096
1097 if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1098 || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1099 {
1100 free_subpicture(sp);
1101
1102 /* update queue size and signal for next picture */
1103 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1104 is->subpq_rindex = 0;
1105
1106 SDL_LockMutex(is->subpq_mutex);
1107 is->subpq_size--;
1108 SDL_CondSignal(is->subpq_cond);
1109 SDL_UnlockMutex(is->subpq_mutex);
1110 }
1111 }
1112 }
1113 }
1114
01310af2
FB		 1115 /* display picture */
1116 video_display(is);
115329f1 1117
01310af2
FB		 1118 /* update queue size and signal for next picture */
1119 if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1120 is->pictq_rindex = 0;
115329f1 1121
01310af2
FB		 1122 SDL_LockMutex(is->pictq_mutex);
1123 is->pictq_size--;
1124 SDL_CondSignal(is->pictq_cond);
1125 SDL_UnlockMutex(is->pictq_mutex);
1126 }
1127 } else if (is->audio_st) {
1128 /* draw the next audio frame */
1129
1130 schedule_refresh(is, 40);
1131
1132 /* if only audio stream, then display the audio bars (better
1133 than nothing, just to test the implementation */
115329f1 1134
01310af2
FB		 1135 /* display picture */
1136 video_display(is);
1137 } else {
1138 schedule_refresh(is, 100);
1139 }
1140 if (show_status) {
1141 static int64_t last_time;
1142 int64_t cur_time;
72ce053b 1143 int aqsize, vqsize, sqsize;
638c9d91 1144 double av_diff;
115329f1 1145
01310af2
FB		 1146 cur_time = av_gettime();
1147 if (!last_time || (cur_time - last_time) >= 500 * 1000) {
1148 aqsize = 0;
1149 vqsize = 0;
72ce053b 1150 sqsize = 0;
01310af2
FB		 1151 if (is->audio_st)
1152 aqsize = is->audioq.size;
1153 if (is->video_st)
1154 vqsize = is->videoq.size;
72ce053b
IC		 1155 if (is->subtitle_st)
1156 sqsize = is->subtitleq.size;
638c9d91
FB		 1157 av_diff = 0;
1158 if (is->audio_st && is->video_st)
1159 av_diff = get_audio_clock(is) - get_video_clock(is);
115329f1 1160 printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB \r",
72ce053b 1161 get_master_clock(is), av_diff, aqsize / 1024, vqsize / 1024, sqsize);
01310af2
FB		 1162 fflush(stdout);
1163 last_time = cur_time;
1164 }
1165 }
1166}
1167
1168/* allocate a picture (needs to do that in main thread to avoid
1169 potential locking problems */
1170static void alloc_picture(void *opaque)
1171{
1172 VideoState *is = opaque;
1173 VideoPicture *vp;
01310af2
FB		 1174
1175 vp = &is->pictq[is->pictq_windex];
1176
1177 if (vp->bmp)
1178 SDL_FreeYUVOverlay(vp->bmp);
1179
61890b02 1180#if 0
01310af2 1181 /* XXX: use generic function */
61890b02 1182 /* XXX: disable overlay if no hardware acceleration or if RGB format */
01f4895c 1183 switch(is->video_st->codec->pix_fmt) {
01310af2
FB		 1184 case PIX_FMT_YUV420P:
1185 case PIX_FMT_YUV422P:
1186 case PIX_FMT_YUV444P:
71e445fc 1187 case PIX_FMT_YUYV422:
01310af2
FB		 1188 case PIX_FMT_YUV410P:
1189 case PIX_FMT_YUV411P:
1190 is_yuv = 1;
1191 break;
1192 default:
1193 is_yuv = 0;
1194 break;
1195 }
01310af2 1196#endif
01f4895c
MN		 1197 vp->bmp = SDL_CreateYUVOverlay(is->video_st->codec->width,
1198 is->video_st->codec->height,
115329f1 1199 SDL_YV12_OVERLAY,
61890b02 1200 screen);
01f4895c
MN		 1201 vp->width = is->video_st->codec->width;
1202 vp->height = is->video_st->codec->height;
01310af2
FB		 1203
1204 SDL_LockMutex(is->pictq_mutex);
1205 vp->allocated = 1;
1206 SDL_CondSignal(is->pictq_cond);
1207 SDL_UnlockMutex(is->pictq_mutex);
1208}
1209
267e9dfa
MN		 1210/**
1211 *
1212 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1213 */
638c9d91 1214static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
01310af2
FB		 1215{
1216 VideoPicture *vp;
1217 int dst_pix_fmt;
1218 AVPicture pict;
03ae87a3 1219 static struct SwsContext *img_convert_ctx;
115329f1 1220
01310af2
FB		 1221 /* wait until we have space to put a new picture */
1222 SDL_LockMutex(is->pictq_mutex);
1223 while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1224 !is->videoq.abort_request) {
1225 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1226 }
1227 SDL_UnlockMutex(is->pictq_mutex);
115329f1 1228
01310af2
FB		 1229 if (is->videoq.abort_request)
1230 return -1;
1231
1232 vp = &is->pictq[is->pictq_windex];
1233
1234 /* alloc or resize hardware picture buffer */
115329f1 1235 if (!vp->bmp ||
01f4895c
MN		 1236 vp->width != is->video_st->codec->width ||
1237 vp->height != is->video_st->codec->height) {
01310af2
FB		 1238 SDL_Event event;
1239
1240 vp->allocated = 0;
1241
1242 /* the allocation must be done in the main thread to avoid
1243 locking problems */
1244 event.type = FF_ALLOC_EVENT;
1245 event.user.data1 = is;
1246 SDL_PushEvent(&event);
115329f1 1247
01310af2
FB		 1248 /* wait until the picture is allocated */
1249 SDL_LockMutex(is->pictq_mutex);
1250 while (!vp->allocated && !is->videoq.abort_request) {
1251 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1252 }
1253 SDL_UnlockMutex(is->pictq_mutex);
1254
1255 if (is->videoq.abort_request)
1256 return -1;
1257 }
1258
638c9d91 1259 /* if the frame is not skipped, then display it */
01310af2
FB		 1260 if (vp->bmp) {
1261 /* get a pointer on the bitmap */
1262 SDL_LockYUVOverlay (vp->bmp);
1263
1264 dst_pix_fmt = PIX_FMT_YUV420P;
1265 pict.data[0] = vp->bmp->pixels[0];
1266 pict.data[1] = vp->bmp->pixels[2];
1267 pict.data[2] = vp->bmp->pixels[1];
1268
1269 pict.linesize[0] = vp->bmp->pitches[0];
1270 pict.linesize[1] = vp->bmp->pitches[2];
1271 pict.linesize[2] = vp->bmp->pitches[1];
e43d7a18 1272 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
feb7bc67
AB		 1273 img_convert_ctx = sws_getCachedContext(img_convert_ctx,
1274 is->video_st->codec->width, is->video_st->codec->height,
1275 is->video_st->codec->pix_fmt,
1276 is->video_st->codec->width, is->video_st->codec->height,
1277 dst_pix_fmt, sws_flags, NULL, NULL, NULL);
26ba8235
AB		 1278 if (img_convert_ctx == NULL) {
1279 fprintf(stderr, "Cannot initialize the conversion context\n");
1280 exit(1);
1281 }
03ae87a3
LA		 1282 sws_scale(img_convert_ctx, src_frame->data, src_frame->linesize,
1283 0, is->video_st->codec->height, pict.data, pict.linesize);
01310af2
FB		 1284 /* update the bitmap content */
1285 SDL_UnlockYUVOverlay(vp->bmp);
1286
638c9d91 1287 vp->pts = pts;
01310af2
FB		 1288
1289 /* now we can update the picture count */
1290 if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1291 is->pictq_windex = 0;
1292 SDL_LockMutex(is->pictq_mutex);
1293 is->pictq_size++;
1294 SDL_UnlockMutex(is->pictq_mutex);
1295 }
638c9d91
FB		 1296 return 0;
1297}
1298
115329f1
DB		 1299/**
1300 * compute the exact PTS for the picture if it is omitted in the stream
267e9dfa
MN		 1301 * @param pts1 the dts of the pkt / pts of the frame
1302 */
638c9d91
FB		 1303static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1)
1304{
1305 double frame_delay, pts;
115329f1 1306
638c9d91
FB		 1307 pts = pts1;
1308
01310af2 1309 if (pts != 0) {
638c9d91 1310 /* update video clock with pts, if present */
01310af2
FB		 1311 is->video_clock = pts;
1312 } else {
72ea344b
FB		 1313 pts = is->video_clock;
1314 }
1315 /* update video clock for next frame */
01f4895c 1316 frame_delay = av_q2d(is->video_st->codec->time_base);
72ea344b
FB		 1317 /* for MPEG2, the frame can be repeated, so we update the
1318 clock accordingly */
267e9dfa 1319 frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
72ea344b 1320 is->video_clock += frame_delay;
638c9d91
FB		 1321
1322#if defined(DEBUG_SYNC) && 0
1323 {
1324 int ftype;
1325 if (src_frame->pict_type == FF_B_TYPE)
1326 ftype = 'B';
1327 else if (src_frame->pict_type == FF_I_TYPE)
1328 ftype = 'I';
1329 else
1330 ftype = 'P';
115329f1 1331 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
72ea344b 1332 ftype, pts, pts1);
638c9d91
FB		 1333 }
1334#endif
72ea344b 1335 return queue_picture(is, src_frame, pts);
01310af2
FB		 1336}
1337
1338static int video_thread(void *arg)
1339{
1340 VideoState *is = arg;
1341 AVPacket pkt1, *pkt = &pkt1;
72ea344b 1342 int len1, got_picture;
c6b1edc9 1343 AVFrame *frame= avcodec_alloc_frame();
01310af2
FB		 1344 double pts;
1345
1346 for(;;) {
1347 while (is->paused && !is->videoq.abort_request) {
1348 SDL_Delay(10);
1349 }
1350 if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1351 break;
39c6a118
MN		 1352
1353 if(pkt->data == flush_pkt.data){
1354 avcodec_flush_buffers(is->video_st->codec);
1355 continue;
1356 }
1357
638c9d91
FB		 1358 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1359 this packet, if any */
7fb262b5 1360 is->video_st->codec->reordered_opaque= pkt->pts;
620e8baf
MN		 1361 len1 = avcodec_decode_video(is->video_st->codec,
1362 frame, &got_picture,
1363 pkt->data, pkt->size);
1364
1365 if( (decoder_reorder_pts || pkt->dts == AV_NOPTS_VALUE)
7fb262b5
MN		 1366 && frame->reordered_opaque != AV_NOPTS_VALUE)
1367 pts= frame->reordered_opaque;
620e8baf
MN		 1368 else if(pkt->dts != AV_NOPTS_VALUE)
1369 pts= pkt->dts;
1370 else
1371 pts= 0;
1372 pts *= av_q2d(is->video_st->time_base);
5039185a 1373
fb966f99
MN		 1374// if (len1 < 0)
1375// break;
620e8baf
MN		 1376 if (got_picture) {
1377 if (output_picture2(is, frame, pts) < 0)
1378 goto the_end;
1379 }
01310af2 1380 av_free_packet(pkt);
115329f1 1381 if (step)
bba04f1e
WH		 1382 if (cur_stream)
1383 stream_pause(cur_stream);
01310af2
FB		 1384 }
1385 the_end:
c6b1edc9 1386 av_free(frame);
01310af2
FB		 1387 return 0;
1388}
1389
72ce053b
IC		 1390static int subtitle_thread(void *arg)
1391{
1392 VideoState *is = arg;
1393 SubPicture *sp;
1394 AVPacket pkt1, *pkt = &pkt1;
1395 int len1, got_subtitle;
1396 double pts;
1397 int i, j;
1398 int r, g, b, y, u, v, a;
1399
1400 for(;;) {
1401 while (is->paused && !is->subtitleq.abort_request) {
1402 SDL_Delay(10);
1403 }
1404 if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1405 break;
115329f1 1406
39c6a118
MN		 1407 if(pkt->data == flush_pkt.data){
1408 avcodec_flush_buffers(is->subtitle_st->codec);
1409 continue;
1410 }
72ce053b
IC		 1411 SDL_LockMutex(is->subpq_mutex);
1412 while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1413 !is->subtitleq.abort_request) {
1414 SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1415 }
1416 SDL_UnlockMutex(is->subpq_mutex);
115329f1 1417
72ce053b
IC		 1418 if (is->subtitleq.abort_request)
1419 goto the_end;
115329f1 1420
72ce053b
IC		 1421 sp = &is->subpq[is->subpq_windex];
1422
1423 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1424 this packet, if any */
1425 pts = 0;
1426 if (pkt->pts != AV_NOPTS_VALUE)
1427 pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1428
115329f1
DB		 1429 len1 = avcodec_decode_subtitle(is->subtitle_st->codec,
1430 &sp->sub, &got_subtitle,
72ce053b 1431 pkt->data, pkt->size);
72ce053b
IC		 1432// if (len1 < 0)
1433// break;
1434 if (got_subtitle && sp->sub.format == 0) {
1435 sp->pts = pts;
115329f1 1436
72ce053b
IC		 1437 for (i = 0; i < sp->sub.num_rects; i++)
1438 {
db4fac64 1439 for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
72ce053b 1440 {
25b4c651 1441 RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
72ce053b
IC		 1442 y = RGB_TO_Y_CCIR(r, g, b);
1443 u = RGB_TO_U_CCIR(r, g, b, 0);
1444 v = RGB_TO_V_CCIR(r, g, b, 0);
25b4c651 1445 YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
72ce053b
IC		 1446 }
1447 }
1448
1449 /* now we can update the picture count */
1450 if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1451 is->subpq_windex = 0;
1452 SDL_LockMutex(is->subpq_mutex);
1453 is->subpq_size++;
1454 SDL_UnlockMutex(is->subpq_mutex);
1455 }
1456 av_free_packet(pkt);
115329f1 1457// if (step)
72ce053b
IC		 1458// if (cur_stream)
1459// stream_pause(cur_stream);
1460 }
1461 the_end:
1462 return 0;
1463}
1464
01310af2
FB		 1465/* copy samples for viewing in editor window */
1466static void update_sample_display(VideoState *is, short *samples, int samples_size)
1467{
1468 int size, len, channels;
1469
01f4895c 1470 channels = is->audio_st->codec->channels;
01310af2
FB		 1471
1472 size = samples_size / sizeof(short);
1473 while (size > 0) {
1474 len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1475 if (len > size)
1476 len = size;
1477 memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1478 samples += len;
1479 is->sample_array_index += len;
1480 if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1481 is->sample_array_index = 0;
1482 size -= len;
1483 }
1484}
1485
01310af2
FB		 1486/* return the new audio buffer size (samples can be added or deleted
1487 to get better sync if video or external master clock) */
115329f1 1488static int synchronize_audio(VideoState *is, short *samples,
638c9d91 1489 int samples_size1, double pts)
01310af2 1490{
638c9d91 1491 int n, samples_size;
01310af2 1492 double ref_clock;
115329f1 1493
01f4895c 1494 n = 2 * is->audio_st->codec->channels;
638c9d91 1495 samples_size = samples_size1;
01310af2 1496
01310af2 1497 /* if not master, then we try to remove or add samples to correct the clock */
01310af2 1498 if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
638c9d91
FB		 1499 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1500 double diff, avg_diff;
01310af2 1501 int wanted_size, min_size, max_size, nb_samples;
115329f1 1502
638c9d91
FB		 1503 ref_clock = get_master_clock(is);
1504 diff = get_audio_clock(is) - ref_clock;
115329f1 1505
638c9d91
FB		 1506 if (diff < AV_NOSYNC_THRESHOLD) {
1507 is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1508 if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1509 /* not enough measures to have a correct estimate */
1510 is->audio_diff_avg_count++;
1511 } else {
1512 /* estimate the A-V difference */
1513 avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1514
1515 if (fabs(avg_diff) >= is->audio_diff_threshold) {
01f4895c 1516 wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
638c9d91 1517 nb_samples = samples_size / n;
115329f1 1518
638c9d91
FB		 1519 min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1520 max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1521 if (wanted_size < min_size)
1522 wanted_size = min_size;
1523 else if (wanted_size > max_size)
1524 wanted_size = max_size;
115329f1 1525
638c9d91
FB		 1526 /* add or remove samples to correction the synchro */
1527 if (wanted_size < samples_size) {
1528 /* remove samples */
1529 samples_size = wanted_size;
1530 } else if (wanted_size > samples_size) {
1531 uint8_t *samples_end, *q;
1532 int nb;
115329f1 1533
638c9d91
FB		 1534 /* add samples */
1535 nb = (samples_size - wanted_size);
1536 samples_end = (uint8_t *)samples + samples_size - n;
1537 q = samples_end + n;
1538 while (nb > 0) {
1539 memcpy(q, samples_end, n);
1540 q += n;
1541 nb -= n;
1542 }
1543 samples_size = wanted_size;
1544 }
1545 }
1546#if 0
115329f1
DB		 1547 printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1548 diff, avg_diff, samples_size - samples_size1,
638c9d91
FB		 1549 is->audio_clock, is->video_clock, is->audio_diff_threshold);
1550#endif
01310af2 1551 }
638c9d91
FB		 1552 } else {
1553 /* too big difference : may be initial PTS errors, so
1554 reset A-V filter */
1555 is->audio_diff_avg_count = 0;
1556 is->audio_diff_cum = 0;
01310af2
FB		 1557 }
1558 }
1559
01310af2
FB		 1560 return samples_size;
1561}
1562
1563/* decode one audio frame and returns its uncompressed size */
5a4476e2 1564static int audio_decode_frame(VideoState *is, double *pts_ptr)
01310af2
FB		 1565{
1566 AVPacket *pkt = &is->audio_pkt;
abdff646 1567 AVCodecContext *dec= is->audio_st->codec;
72ea344b 1568 int n, len1, data_size;
01310af2
FB		 1569 double pts;
1570
1571 for(;;) {
72ea344b 1572 /* NOTE: the audio packet can contain several frames */
01310af2 1573 while (is->audio_pkt_size > 0) {
5a4476e2 1574 data_size = sizeof(is->audio_buf1);
abdff646 1575 len1 = avcodec_decode_audio2(dec,
5a4476e2 1576 (int16_t *)is->audio_buf1, &data_size,
01310af2 1577 is->audio_pkt_data, is->audio_pkt_size);
72ea344b
FB		 1578 if (len1 < 0) {
1579 /* if error, we skip the frame */
1580 is->audio_pkt_size = 0;
01310af2 1581 break;
72ea344b 1582 }
115329f1 1583
01310af2
FB		 1584 is->audio_pkt_data += len1;
1585 is->audio_pkt_size -= len1;
72ea344b
FB		 1586 if (data_size <= 0)
1587 continue;
5a4476e2
PR		 1588
1589 if (dec->sample_fmt != is->audio_src_fmt) {
1590 if (is->reformat_ctx)
1591 av_audio_convert_free(is->reformat_ctx);
1592 is->reformat_ctx= av_audio_convert_alloc(SAMPLE_FMT_S16, 1,
1593 dec->sample_fmt, 1, NULL, 0);
1594 if (!is->reformat_ctx) {
1595 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
1596 avcodec_get_sample_fmt_name(dec->sample_fmt),
1597 avcodec_get_sample_fmt_name(SAMPLE_FMT_S16));
1598 break;
1599 }
1600 is->audio_src_fmt= dec->sample_fmt;
1601 }
1602
1603 if (is->reformat_ctx) {
1604 const void *ibuf[6]= {is->audio_buf1};
1605 void *obuf[6]= {is->audio_buf2};
1606 int istride[6]= {av_get_bits_per_sample_format(dec->sample_fmt)/8};
1607 int ostride[6]= {2};
1608 int len= data_size/istride[0];
1609 if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
1610 printf("av_audio_convert() failed\n");
1611 break;
1612 }
1613 is->audio_buf= is->audio_buf2;
1614 /* FIXME: existing code assume that data_size equals framesize*channels*2
1615 remove this legacy cruft */
1616 data_size= len*2;
1617 }else{
1618 is->audio_buf= is->audio_buf1;
1619 }
1620
72ea344b
FB		 1621 /* if no pts, then compute it */
1622 pts = is->audio_clock;
1623 *pts_ptr = pts;
abdff646 1624 n = 2 * dec->channels;
115329f1 1625 is->audio_clock += (double)data_size /
abdff646 1626 (double)(n * dec->sample_rate);
638c9d91 1627#if defined(DEBUG_SYNC)
72ea344b
FB		 1628 {
1629 static double last_clock;
1630 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
1631 is->audio_clock - last_clock,
1632 is->audio_clock, pts);
1633 last_clock = is->audio_clock;
01310af2 1634 }
72ea344b
FB		 1635#endif
1636 return data_size;
01310af2
FB		 1637 }
1638
72ea344b
FB		 1639 /* free the current packet */
1640 if (pkt->data)
01310af2 1641 av_free_packet(pkt);
115329f1 1642
72ea344b
FB		 1643 if (is->paused || is->audioq.abort_request) {
1644 return -1;
1645 }
115329f1 1646
01310af2
FB		 1647 /* read next packet */
1648 if (packet_queue_get(&is->audioq, pkt, 1) < 0)
1649 return -1;
39c6a118 1650 if(pkt->data == flush_pkt.data){
abdff646 1651 avcodec_flush_buffers(dec);
39c6a118
MN		 1652 continue;
1653 }
1654
01310af2
FB		 1655 is->audio_pkt_data = pkt->data;
1656 is->audio_pkt_size = pkt->size;
115329f1 1657
72ea344b
FB		 1658 /* if update the audio clock with the pts */
1659 if (pkt->pts != AV_NOPTS_VALUE) {
c0df9d75 1660 is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
72ea344b 1661 }
01310af2
FB		 1662 }
1663}
1664
638c9d91
FB		 1665/* get the current audio output buffer size, in samples. With SDL, we
1666 cannot have a precise information */
1667static int audio_write_get_buf_size(VideoState *is)
01310af2 1668{
b09b580b 1669 return is->audio_buf_size - is->audio_buf_index;
01310af2
FB		 1670}
1671
1672
1673/* prepare a new audio buffer */
358061f6 1674static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
01310af2
FB		 1675{
1676 VideoState *is = opaque;
1677 int audio_size, len1;
1678 double pts;
1679
1680 audio_callback_time = av_gettime();
115329f1 1681
01310af2
FB		 1682 while (len > 0) {
1683 if (is->audio_buf_index >= is->audio_buf_size) {
5a4476e2 1684 audio_size = audio_decode_frame(is, &pts);
01310af2
FB		 1685 if (audio_size < 0) {
1686 /* if error, just output silence */
1a1078fa 1687 is->audio_buf = is->audio_buf1;
01310af2
FB		 1688 is->audio_buf_size = 1024;
1689 memset(is->audio_buf, 0, is->audio_buf_size);
1690 } else {
1691 if (is->show_audio)
1692 update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
115329f1 1693 audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
01310af2
FB		 1694 pts);
1695 is->audio_buf_size = audio_size;
1696 }
1697 is->audio_buf_index = 0;
1698 }
1699 len1 = is->audio_buf_size - is->audio_buf_index;
1700 if (len1 > len)
1701 len1 = len;
1702 memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
1703 len -= len1;
1704 stream += len1;
1705 is->audio_buf_index += len1;
1706 }
1707}
1708
01310af2
FB		 1709/* open a given stream. Return 0 if OK */
1710static int stream_component_open(VideoState *is, int stream_index)
1711{
1712 AVFormatContext *ic = is->ic;
1713 AVCodecContext *enc;
1714 AVCodec *codec;
1715 SDL_AudioSpec wanted_spec, spec;
1716
1717 if (stream_index < 0 || stream_index >= ic->nb_streams)
1718 return -1;
01f4895c 1719 enc = ic->streams[stream_index]->codec;
115329f1 1720
01310af2
FB		 1721 /* prepare audio output */
1722 if (enc->codec_type == CODEC_TYPE_AUDIO) {
51b73087
JR		 1723 if (enc->channels > 0) {
1724 enc->request_channels = FFMIN(2, enc->channels);
94eadc8b 1725 } else {
51b73087 1726 enc->request_channels = 2;
638c9d91 1727 }
01310af2
FB		 1728 }
1729
1730 codec = avcodec_find_decoder(enc->codec_id);
13d1512c
MN		 1731 enc->debug_mv = debug_mv;
1732 enc->debug = debug;
6387c3e6 1733 enc->workaround_bugs = workaround_bugs;
178fcca8 1734 enc->lowres = lowres;
61846e9a 1735 if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
178fcca8 1736 enc->idct_algo= idct;
6fc5b059 1737 if(fast) enc->flags2 |= CODEC_FLAG2_FAST;
8c3eba7c
MN		 1738 enc->skip_frame= skip_frame;
1739 enc->skip_idct= skip_idct;
1740 enc->skip_loop_filter= skip_loop_filter;
047599a4 1741 enc->error_recognition= error_recognition;
1b51e051 1742 enc->error_concealment= error_concealment;
e43d7a18
MN		 1743
1744 set_context_opts(enc, avctx_opts[enc->codec_type], 0);
1745
01310af2
FB		 1746 if (!codec ||
1747 avcodec_open(enc, codec) < 0)
1748 return -1;
51b73087
JR		 1749
1750 /* prepare audio output */
1751 if (enc->codec_type == CODEC_TYPE_AUDIO) {
1752 wanted_spec.freq = enc->sample_rate;
1753 wanted_spec.format = AUDIO_S16SYS;
1754 wanted_spec.channels = enc->channels;
1755 wanted_spec.silence = 0;
1756 wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
1757 wanted_spec.callback = sdl_audio_callback;
1758 wanted_spec.userdata = is;
1759 if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
1760 fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
1761 return -1;
1762 }
1763 is->audio_hw_buf_size = spec.size;
5a4476e2 1764 is->audio_src_fmt= SAMPLE_FMT_S16;
51b73087
JR		 1765 }
1766
c62c07d3
MN		 1767 if(thread_count>1)
1768 avcodec_thread_init(enc, thread_count);
c62c07d3 1769 enc->thread_count= thread_count;
3f3fe38d 1770 ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
638c9d91 1771 switch(enc->codec_type) {
01310af2
FB		 1772 case CODEC_TYPE_AUDIO:
1773 is->audio_stream = stream_index;
1774 is->audio_st = ic->streams[stream_index];
1775 is->audio_buf_size = 0;
1776 is->audio_buf_index = 0;
638c9d91
FB		 1777
1778 /* init averaging filter */
1779 is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
1780 is->audio_diff_avg_count = 0;
1781 /* since we do not have a precise anough audio fifo fullness,
1782 we correct audio sync only if larger than this threshold */
1783 is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / enc->sample_rate;
1784
01310af2
FB		 1785 memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
1786 packet_queue_init(&is->audioq);
bb270c08 1787 SDL_PauseAudio(0);
01310af2
FB		 1788 break;
1789 case CODEC_TYPE_VIDEO:
1790 is->video_stream = stream_index;
1791 is->video_st = ic->streams[stream_index];
1792
638c9d91
FB		 1793 is->frame_last_delay = 40e-3;
1794 is->frame_timer = (double)av_gettime() / 1000000.0;
638c9d91
FB		 1795 is->video_current_pts_time = av_gettime();
1796
01310af2
FB		 1797 packet_queue_init(&is->videoq);
1798 is->video_tid = SDL_CreateThread(video_thread, is);
1799 break;
72ce053b
IC		 1800 case CODEC_TYPE_SUBTITLE:
1801 is->subtitle_stream = stream_index;
1802 is->subtitle_st = ic->streams[stream_index];
1803 packet_queue_init(&is->subtitleq);
115329f1 1804
72ce053b
IC		 1805 is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
1806 break;
01310af2
FB		 1807 default:
1808 break;
1809 }
1810 return 0;
1811}
1812
1813static void stream_component_close(VideoState *is, int stream_index)
1814{
1815 AVFormatContext *ic = is->ic;
1816 AVCodecContext *enc;
115329f1 1817
72ce053b
IC		 1818 if (stream_index < 0 || stream_index >= ic->nb_streams)
1819 return;
01f4895c 1820 enc = ic->streams[stream_index]->codec;
01310af2
FB		 1821
1822 switch(enc->codec_type) {
1823 case CODEC_TYPE_AUDIO:
1824 packet_queue_abort(&is->audioq);
1825
1826 SDL_CloseAudio();
1827
1828 packet_queue_end(&is->audioq);
5a4476e2
PR		 1829 if (is->reformat_ctx)
1830 av_audio_convert_free(is->reformat_ctx);
01310af2
FB		 1831 break;
1832 case CODEC_TYPE_VIDEO:
1833 packet_queue_abort(&is->videoq);
1834
1835 /* note: we also signal this mutex to make sure we deblock the
1836 video thread in all cases */
1837 SDL_LockMutex(is->pictq_mutex);
1838 SDL_CondSignal(is->pictq_cond);
1839 SDL_UnlockMutex(is->pictq_mutex);
1840
1841 SDL_WaitThread(is->video_tid, NULL);
1842
1843 packet_queue_end(&is->videoq);
1844 break;
72ce053b
IC		 1845 case CODEC_TYPE_SUBTITLE:
1846 packet_queue_abort(&is->subtitleq);
115329f1 1847
72ce053b
IC		 1848 /* note: we also signal this mutex to make sure we deblock the
1849 video thread in all cases */
1850 SDL_LockMutex(is->subpq_mutex);
1851 is->subtitle_stream_changed = 1;
115329f1 1852
72ce053b
IC		 1853 SDL_CondSignal(is->subpq_cond);
1854 SDL_UnlockMutex(is->subpq_mutex);
1855
1856 SDL_WaitThread(is->subtitle_tid, NULL);
1857
1858 packet_queue_end(&is->subtitleq);
1859 break;
01310af2
FB		 1860 default:
1861 break;
1862 }
1863
3f3fe38d 1864 ic->streams[stream_index]->discard = AVDISCARD_ALL;
01310af2
FB		 1865 avcodec_close(enc);
1866 switch(enc->codec_type) {
1867 case CODEC_TYPE_AUDIO:
1868 is->audio_st = NULL;
1869 is->audio_stream = -1;
1870 break;
1871 case CODEC_TYPE_VIDEO:
1872 is->video_st = NULL;
1873 is->video_stream = -1;
1874 break;
72ce053b
IC		 1875 case CODEC_TYPE_SUBTITLE:
1876 is->subtitle_st = NULL;
1877 is->subtitle_stream = -1;
1878 break;
01310af2
FB		 1879 default:
1880 break;
1881 }
1882}
1883
7b49ce2e 1884static void dump_stream_info(const AVFormatContext *s)
d0526ecf
FB		 1885{
1886 if (s->track != 0)
1887 fprintf(stderr, "Track: %d\n", s->track);
1888 if (s->title[0] != '\0')
1889 fprintf(stderr, "Title: %s\n", s->title);
1890 if (s->author[0] != '\0')
1891 fprintf(stderr, "Author: %s\n", s->author);
f0861f46
PI		 1892 if (s->copyright[0] != '\0')
1893 fprintf(stderr, "Copyright: %s\n", s->copyright);
1894 if (s->comment[0] != '\0')
1895 fprintf(stderr, "Comment: %s\n", s->comment);
d0526ecf
FB		 1896 if (s->album[0] != '\0')
1897 fprintf(stderr, "Album: %s\n", s->album);
1898 if (s->year != 0)
1899 fprintf(stderr, "Year: %d\n", s->year);
1900 if (s->genre[0] != '\0')
1901 fprintf(stderr, "Genre: %s\n", s->genre);
1902}
1903
416e3508
FB		 1904/* since we have only one decoding thread, we can use a global
1905 variable instead of a thread local variable */
1906static VideoState *global_video_state;
1907
1908static int decode_interrupt_cb(void)
1909{
1910 return (global_video_state && global_video_state->abort_request);
1911}
01310af2
FB		 1912
1913/* this thread gets the stream from the disk or the network */
1914static int decode_thread(void *arg)
1915{
1916 VideoState *is = arg;
1917 AVFormatContext *ic;
b2e6799b 1918 int err, i, ret, video_index, audio_index;
01310af2 1919 AVPacket pkt1, *pkt = &pkt1;
61890b02 1920 AVFormatParameters params, *ap = &params;
01310af2
FB		 1921
1922 video_index = -1;
1923 audio_index = -1;
1924 is->video_stream = -1;
1925 is->audio_stream = -1;
72ce053b 1926 is->subtitle_stream = -1;
01310af2 1927
416e3508
FB		 1928 global_video_state = is;
1929 url_set_interrupt_cb(decode_interrupt_cb);
1930
61890b02 1931 memset(ap, 0, sizeof(*ap));
115329f1 1932
e4b89522
LW		 1933 ap->width = frame_width;
1934 ap->height= frame_height;
7e042912 1935 ap->time_base= (AVRational){1, 25};
e4b89522 1936 ap->pix_fmt = frame_pix_fmt;
7e042912 1937
61890b02 1938 err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
638c9d91
FB		 1939 if (err < 0) {
1940 print_error(is->filename, err);
1941 ret = -1;
1942 goto fail;
1943 }
01310af2 1944 is->ic = ic;
30bc6613
MN		 1945
1946 if(genpts)
1947 ic->flags |= AVFMT_FLAG_GENPTS;
1948
24c07998
LA		 1949 err = av_find_stream_info(ic);
1950 if (err < 0) {
1951 fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
1952 ret = -1;
1953 goto fail;
1954 }
899681cd
BA		 1955 if(ic->pb)
1956 ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
72ea344b
FB		 1957
1958 /* if seeking requested, we execute it */
1959 if (start_time != AV_NOPTS_VALUE) {
1960 int64_t timestamp;
1961
1962 timestamp = start_time;
1963 /* add the stream start time */
1964 if (ic->start_time != AV_NOPTS_VALUE)
1965 timestamp += ic->start_time;
3ba1438d 1966 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
72ea344b 1967 if (ret < 0) {
115329f1 1968 fprintf(stderr, "%s: could not seek to position %0.3f\n",
72ea344b
FB		 1969 is->filename, (double)timestamp / AV_TIME_BASE);
1970 }
1971 }
72ea344b 1972
01310af2 1973 for(i = 0; i < ic->nb_streams; i++) {
01f4895c 1974 AVCodecContext *enc = ic->streams[i]->codec;
3f3fe38d 1975 ic->streams[i]->discard = AVDISCARD_ALL;
01310af2
FB		 1976 switch(enc->codec_type) {
1977 case CODEC_TYPE_AUDIO:
a8062103 1978 if ((audio_index < 0 || wanted_audio_stream-- > 0) && !audio_disable)
01310af2
FB		 1979 audio_index = i;
1980 break;
1981 case CODEC_TYPE_VIDEO:
4d8243d3 1982 if ((video_index < 0 || wanted_video_stream-- > 0) && !video_disable)
01310af2
FB		 1983 video_index = i;
1984 break;
1985 default:
1986 break;
1987 }
1988 }
1989 if (show_status) {
1990 dump_format(ic, 0, is->filename, 0);
d0526ecf 1991 dump_stream_info(ic);
01310af2
FB		 1992 }
1993
1994 /* open the streams */
1995 if (audio_index >= 0) {
1996 stream_component_open(is, audio_index);
1997 }
1998
1999 if (video_index >= 0) {
2000 stream_component_open(is, video_index);
2001 } else {
2002 if (!display_disable)
2003 is->show_audio = 1;
2004 }
2005
2006 if (is->video_stream < 0 && is->audio_stream < 0) {
638c9d91
FB		 2007 fprintf(stderr, "%s: could not open codecs\n", is->filename);
2008 ret = -1;
01310af2
FB		 2009 goto fail;
2010 }
2011
2012 for(;;) {
2013 if (is->abort_request)
2014 break;
416e3508
FB		 2015 if (is->paused != is->last_paused) {
2016 is->last_paused = is->paused;
72ea344b
FB		 2017 if (is->paused)
2018 av_read_pause(ic);
2019 else
2020 av_read_play(ic);
416e3508 2021 }
2f642393
AJ		 2022#if CONFIG_RTSP_DEMUXER
2023 if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
416e3508
FB		 2024 /* wait 10 ms to avoid trying to get another packet */
2025 /* XXX: horrible */
2026 SDL_Delay(10);
2027 continue;
2028 }
400738b1 2029#endif
72ea344b 2030 if (is->seek_req) {
8e606cc8
MN		 2031 int stream_index= -1;
2032 int64_t seek_target= is->seek_pos;
2033
2034 if (is-> video_stream >= 0) stream_index= is-> video_stream;
2035 else if(is-> audio_stream >= 0) stream_index= is-> audio_stream;
2036 else if(is->subtitle_stream >= 0) stream_index= is->subtitle_stream;
2037
2038 if(stream_index>=0){
2039 seek_target= av_rescale_q(seek_target, AV_TIME_BASE_Q, ic->streams[stream_index]->time_base);
2040 }
2041
2042 ret = av_seek_frame(is->ic, stream_index, seek_target, is->seek_flags);
72ea344b
FB		 2043 if (ret < 0) {
2044 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
e6c0297f
MN		 2045 }else{
2046 if (is->audio_stream >= 0) {
2047 packet_queue_flush(&is->audioq);
39c6a118 2048 packet_queue_put(&is->audioq, &flush_pkt);
e6c0297f 2049 }
72ce053b
IC		 2050 if (is->subtitle_stream >= 0) {
2051 packet_queue_flush(&is->subtitleq);
39c6a118 2052 packet_queue_put(&is->subtitleq, &flush_pkt);
72ce053b 2053 }
e6c0297f
MN		 2054 if (is->video_stream >= 0) {
2055 packet_queue_flush(&is->videoq);
39c6a118 2056 packet_queue_put(&is->videoq, &flush_pkt);
e6c0297f 2057 }
72ea344b
FB		 2058 }
2059 is->seek_req = 0;
2060 }
416e3508 2061
01310af2
FB		 2062 /* if the queue are full, no need to read more */
2063 if (is->audioq.size > MAX_AUDIOQ_SIZE ||
115329f1 2064 is->videoq.size > MAX_VIDEOQ_SIZE ||
600a331c 2065 is->subtitleq.size > MAX_SUBTITLEQ_SIZE) {
01310af2
FB		 2066 /* wait 10 ms */
2067 SDL_Delay(10);
2068 continue;
2069 }
600a331c
MN		 2070 if(url_feof(ic->pb)) {
2071 av_init_packet(pkt);
973c68cb 2072 pkt->data=NULL;
600a331c
MN		 2073 pkt->size=0;
2074 pkt->stream_index= is->video_stream;
2075 packet_queue_put(&is->videoq, pkt);
2076 continue;
2077 }
72ea344b 2078 ret = av_read_frame(ic, pkt);
01310af2 2079 if (ret < 0) {
899681cd 2080 if (url_ferror(ic->pb) == 0) {
6e1f8725 2081 SDL_Delay(100); /* wait for user event */
bb270c08
DB		 2082 continue;
2083 } else
2084 break;
01310af2
FB		 2085 }
2086 if (pkt->stream_index == is->audio_stream) {
2087 packet_queue_put(&is->audioq, pkt);
2088 } else if (pkt->stream_index == is->video_stream) {
2089 packet_queue_put(&is->videoq, pkt);
72ce053b
IC		 2090 } else if (pkt->stream_index == is->subtitle_stream) {
2091 packet_queue_put(&is->subtitleq, pkt);
01310af2
FB		 2092 } else {
2093 av_free_packet(pkt);
2094 }
2095 }
2096 /* wait until the end */
2097 while (!is->abort_request) {
2098 SDL_Delay(100);
2099 }
2100
638c9d91 2101 ret = 0;
01310af2 2102 fail:
416e3508
FB		 2103 /* disable interrupting */
2104 global_video_state = NULL;
2105
01310af2
FB		 2106 /* close each stream */
2107 if (is->audio_stream >= 0)
2108 stream_component_close(is, is->audio_stream);
2109 if (is->video_stream >= 0)
2110 stream_component_close(is, is->video_stream);
72ce053b
IC		 2111 if (is->subtitle_stream >= 0)
2112 stream_component_close(is, is->subtitle_stream);
638c9d91
FB		 2113 if (is->ic) {
2114 av_close_input_file(is->ic);
2115 is->ic = NULL; /* safety */
2116 }
416e3508
FB		 2117 url_set_interrupt_cb(NULL);
2118
638c9d91
FB		 2119 if (ret != 0) {
2120 SDL_Event event;
115329f1 2121
638c9d91
FB		 2122 event.type = FF_QUIT_EVENT;
2123 event.user.data1 = is;
2124 SDL_PushEvent(&event);
2125 }
01310af2
FB		 2126 return 0;
2127}
2128
638c9d91 2129static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
01310af2
FB		 2130{
2131 VideoState *is;
2132
2133 is = av_mallocz(sizeof(VideoState));
2134 if (!is)
2135 return NULL;
f7d78f36 2136 av_strlcpy(is->filename, filename, sizeof(is->filename));
638c9d91 2137 is->iformat = iformat;
01310af2
FB		 2138 is->ytop = 0;
2139 is->xleft = 0;
2140
2141 /* start video display */
2142 is->pictq_mutex = SDL_CreateMutex();
2143 is->pictq_cond = SDL_CreateCond();
115329f1 2144
72ce053b
IC		 2145 is->subpq_mutex = SDL_CreateMutex();
2146 is->subpq_cond = SDL_CreateCond();
115329f1 2147
01310af2
FB		 2148 /* add the refresh timer to draw the picture */
2149 schedule_refresh(is, 40);
2150
638c9d91 2151 is->av_sync_type = av_sync_type;
01310af2
FB		 2152 is->parse_tid = SDL_CreateThread(decode_thread, is);
2153 if (!is->parse_tid) {
2154 av_free(is);
2155 return NULL;
2156 }
2157 return is;
2158}
2159
2160static void stream_close(VideoState *is)
2161{
2162 VideoPicture *vp;
2163 int i;
2164 /* XXX: use a special url_shutdown call to abort parse cleanly */
2165 is->abort_request = 1;
2166 SDL_WaitThread(is->parse_tid, NULL);
2167
2168 /* free all pictures */
2169 for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
2170 vp = &is->pictq[i];
2171 if (vp->bmp) {
2172 SDL_FreeYUVOverlay(vp->bmp);
2173 vp->bmp = NULL;
2174 }
2175 }
2176 SDL_DestroyMutex(is->pictq_mutex);
2177 SDL_DestroyCond(is->pictq_cond);
72ce053b
IC		 2178 SDL_DestroyMutex(is->subpq_mutex);
2179 SDL_DestroyCond(is->subpq_cond);
01310af2
FB		 2180}
2181
7b49ce2e 2182static void stream_cycle_channel(VideoState *is, int codec_type)
638c9d91
FB		 2183{
2184 AVFormatContext *ic = is->ic;
2185 int start_index, stream_index;
2186 AVStream *st;
2187
2188 if (codec_type == CODEC_TYPE_VIDEO)
2189 start_index = is->video_stream;
72ce053b 2190 else if (codec_type == CODEC_TYPE_AUDIO)
638c9d91 2191 start_index = is->audio_stream;
72ce053b
IC		 2192 else
2193 start_index = is->subtitle_stream;
2194 if (start_index < (codec_type == CODEC_TYPE_SUBTITLE ? -1 : 0))
638c9d91
FB		 2195 return;
2196 stream_index = start_index;
2197 for(;;) {
2198 if (++stream_index >= is->ic->nb_streams)
72ce053b
IC		 2199 {
2200 if (codec_type == CODEC_TYPE_SUBTITLE)
2201 {
2202 stream_index = -1;
2203 goto the_end;
2204 } else
2205 stream_index = 0;
2206 }
638c9d91
FB		 2207 if (stream_index == start_index)
2208 return;
2209 st = ic->streams[stream_index];
01f4895c 2210 if (st->codec->codec_type == codec_type) {
638c9d91
FB		 2211 /* check that parameters are OK */
2212 switch(codec_type) {
2213 case CODEC_TYPE_AUDIO:
01f4895c
MN		 2214 if (st->codec->sample_rate != 0 &&
2215 st->codec->channels != 0)
638c9d91
FB		 2216 goto the_end;
2217 break;
2218 case CODEC_TYPE_VIDEO:
72ce053b 2219 case CODEC_TYPE_SUBTITLE:
638c9d91
FB		 2220 goto the_end;
2221 default:
2222 break;
2223 }
2224 }
2225 }
2226 the_end:
2227 stream_component_close(is, start_index);
2228 stream_component_open(is, stream_index);
2229}
2230
2231
7b49ce2e 2232static void toggle_full_screen(void)
01310af2 2233{
01310af2 2234 is_full_screen = !is_full_screen;
29f3b38a
MR		 2235 if (!fs_screen_width) {
2236 /* use default SDL method */
fb84155b 2237// SDL_WM_ToggleFullScreen(screen);
01310af2 2238 }
fb84155b 2239 video_open(cur_stream);
01310af2
FB		 2240}
2241
7b49ce2e 2242static void toggle_pause(void)
01310af2
FB		 2243{
2244 if (cur_stream)
2245 stream_pause(cur_stream);
bba04f1e
WH		 2246 step = 0;
2247}
2248
7b49ce2e 2249static void step_to_next_frame(void)
bba04f1e
WH		 2250{
2251 if (cur_stream) {
19cc524a 2252 /* if the stream is paused unpause it, then step */
bba04f1e 2253 if (cur_stream->paused)
19cc524a 2254 stream_pause(cur_stream);
bba04f1e
WH		 2255 }
2256 step = 1;
01310af2
FB		 2257}
2258
7b49ce2e 2259static void do_exit(void)
01310af2
FB		 2260{
2261 if (cur_stream) {
2262 stream_close(cur_stream);
2263 cur_stream = NULL;
2264 }
2265 if (show_status)
2266 printf("\n");
2267 SDL_Quit();
2268 exit(0);
2269}
2270
7b49ce2e 2271static void toggle_audio_display(void)
01310af2
FB		 2272{
2273 if (cur_stream) {
2274 cur_stream->show_audio = !cur_stream->show_audio;
2275 }
2276}
2277
2278/* handle an event sent by the GUI */
7b49ce2e 2279static void event_loop(void)
01310af2
FB		 2280{
2281 SDL_Event event;
a11d11aa 2282 double incr, pos, frac;
01310af2
FB		 2283
2284 for(;;) {
2285 SDL_WaitEvent(&event);
2286 switch(event.type) {
2287 case SDL_KEYDOWN:
2288 switch(event.key.keysym.sym) {
2289 case SDLK_ESCAPE:
2290 case SDLK_q:
2291 do_exit();
2292 break;
2293 case SDLK_f:
2294 toggle_full_screen();
2295 break;
2296 case SDLK_p:
2297 case SDLK_SPACE:
2298 toggle_pause();
2299 break;
bba04f1e
WH		 2300 case SDLK_s: //S: Step to next frame
2301 step_to_next_frame();
2302 break;
01310af2 2303 case SDLK_a:
115329f1 2304 if (cur_stream)
638c9d91
FB		 2305 stream_cycle_channel(cur_stream, CODEC_TYPE_AUDIO);
2306 break;
2307 case SDLK_v:
115329f1 2308 if (cur_stream)
638c9d91
FB		 2309 stream_cycle_channel(cur_stream, CODEC_TYPE_VIDEO);
2310 break;
72ce053b 2311 case SDLK_t:
115329f1 2312 if (cur_stream)
72ce053b
IC		 2313 stream_cycle_channel(cur_stream, CODEC_TYPE_SUBTITLE);
2314 break;
638c9d91 2315 case SDLK_w:
01310af2
FB		 2316 toggle_audio_display();
2317 break;
72ea344b
FB		 2318 case SDLK_LEFT:
2319 incr = -10.0;
2320 goto do_seek;
2321 case SDLK_RIGHT:
2322 incr = 10.0;
2323 goto do_seek;
2324 case SDLK_UP:
2325 incr = 60.0;
2326 goto do_seek;
2327 case SDLK_DOWN:
2328 incr = -60.0;
2329 do_seek:
2330 if (cur_stream) {
94b594c6 2331 if (seek_by_bytes) {
899681cd 2332 pos = url_ftell(cur_stream->ic->pb);
94b594c6
SH		 2333 if (cur_stream->ic->bit_rate)
2334 incr *= cur_stream->ic->bit_rate / 60.0;
2335 else
2336 incr *= 180000.0;
2337 pos += incr;
2338 stream_seek(cur_stream, pos, incr);
2339 } else {
2340 pos = get_master_clock(cur_stream);
2341 pos += incr;
2342 stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr);
2343 }
72ea344b
FB		 2344 }
2345 break;
01310af2
FB		 2346 default:
2347 break;
2348 }
2349 break;
a11d11aa 2350 case SDL_MOUSEBUTTONDOWN:
bb270c08
DB		 2351 if (cur_stream) {
2352 int ns, hh, mm, ss;
2353 int tns, thh, tmm, tss;
2354 tns = cur_stream->ic->duration/1000000LL;
2355 thh = tns/3600;
2356 tmm = (tns%3600)/60;
2357 tss = (tns%60);
2358 frac = (double)event.button.x/(double)cur_stream->width;
2359 ns = frac*tns;
2360 hh = ns/3600;
2361 mm = (ns%3600)/60;
2362 ss = (ns%60);
2363 fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
2364 hh, mm, ss, thh, tmm, tss);
2365 stream_seek(cur_stream, (int64_t)(cur_stream->ic->start_time+frac*cur_stream->ic->duration), 0);
2366 }
2367 break;
01310af2
FB		 2368 case SDL_VIDEORESIZE:
2369 if (cur_stream) {
115329f1 2370 screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
01310af2 2371 SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
c57d3469
MN		 2372 screen_width = cur_stream->width = event.resize.w;
2373 screen_height= cur_stream->height= event.resize.h;
01310af2
FB		 2374 }
2375 break;
2376 case SDL_QUIT:
638c9d91 2377 case FF_QUIT_EVENT:
01310af2
FB		 2378 do_exit();
2379 break;
2380 case FF_ALLOC_EVENT:
fccb19e3 2381 video_open(event.user.data1);
01310af2
FB		 2382 alloc_picture(event.user.data1);
2383 break;
2384 case FF_REFRESH_EVENT:
2385 video_refresh_timer(event.user.data1);
2386 break;
2387 default:
2388 break;
2389 }
2390 }
2391}
2392
e4b89522
LW		 2393static void opt_frame_size(const char *arg)
2394{
b33ece16 2395 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
e4b89522
LW		 2396 fprintf(stderr, "Incorrect frame size\n");
2397 exit(1);
2398 }
2399 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2400 fprintf(stderr, "Frame size must be a multiple of 2\n");
2401 exit(1);
2402 }
2403}
2404
a5b3b5f6 2405static int opt_width(const char *opt, const char *arg)
01310af2 2406{
a5b3b5f6
SS		 2407 screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2408 return 0;
01310af2
FB		 2409}
2410
a5b3b5f6 2411static int opt_height(const char *opt, const char *arg)
01310af2 2412{
a5b3b5f6
SS		 2413 screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2414 return 0;
01310af2
FB		 2415}
2416
2417static void opt_format(const char *arg)
2418{
2419 file_iformat = av_find_input_format(arg);
2420 if (!file_iformat) {
2421 fprintf(stderr, "Unknown input format: %s\n", arg);
2422 exit(1);
2423 }
2424}
61890b02 2425
e4b89522
LW		 2426static void opt_frame_pix_fmt(const char *arg)
2427{
2428 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2429}
2430
b81d6235 2431static int opt_sync(const char *opt, const char *arg)
638c9d91
FB		 2432{
2433 if (!strcmp(arg, "audio"))
2434 av_sync_type = AV_SYNC_AUDIO_MASTER;
2435 else if (!strcmp(arg, "video"))
2436 av_sync_type = AV_SYNC_VIDEO_MASTER;
2437 else if (!strcmp(arg, "ext"))
2438 av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
aab1b7e5 2439 else {
b81d6235 2440 fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
aab1b7e5
SS		 2441 exit(1);
2442 }
b81d6235 2443 return 0;
638c9d91
FB		 2444}
2445
e11bc2c6 2446static int opt_seek(const char *opt, const char *arg)
72ea344b 2447{
e11bc2c6
SS		 2448 start_time = parse_time_or_die(opt, arg, 1);
2449 return 0;
72ea344b
FB		 2450}
2451
a5b3b5f6 2452static int opt_debug(const char *opt, const char *arg)
e26a8335 2453{
a309073b 2454 av_log_set_level(99);
a5b3b5f6
SS		 2455 debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2456 return 0;
e26a8335 2457}
115329f1 2458
a5b3b5f6 2459static int opt_vismv(const char *opt, const char *arg)
0c9bbaec 2460{
a5b3b5f6
SS		 2461 debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2462 return 0;
0c9bbaec 2463}
c62c07d3 2464
a5b3b5f6 2465static int opt_thread_count(const char *opt, const char *arg)
c62c07d3 2466{
a5b3b5f6 2467 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
b250f9c6 2468#if !HAVE_THREADS
c62c07d3
MN		 2469 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2470#endif
a5b3b5f6 2471 return 0;
c62c07d3 2472}
115329f1 2473
358061f6 2474static const OptionDef options[] = {
20176cbc
MN		 2475 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
2476 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
8fdea204 2477 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
a28b7ed4 2478 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
a5b3b5f6
SS		 2479 { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
2480 { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
e4b89522 2481 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
638c9d91 2482 { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
01310af2
FB		 2483 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2484 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
a8062103 2485 { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_audio_stream}, "", "" },
4d8243d3 2486 { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_video_stream}, "", "" },
e11bc2c6 2487 { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
94b594c6 2488 { "bytes", OPT_BOOL, {(void*)&seek_by_bytes}, "seek by bytes" },
01310af2
FB		 2489 { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
2490 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
e4b89522 2491 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
01310af2 2492 { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
a5b3b5f6 2493 { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
6387c3e6 2494 { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
a5b3b5f6 2495 { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
6fc5b059 2496 { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
30bc6613 2497 { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
5039185a 2498 { "drp", OPT_BOOL |OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts", ""},
178fcca8 2499 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
8c3eba7c
MN		 2500 { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
2501 { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
2502 { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
178fcca8 2503 { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
047599a4 2504 { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)", "threshold" },
1b51e051 2505 { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
b81d6235 2506 { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
a5b3b5f6 2507 { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
e43d7a18 2508 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
01310af2
FB		 2509 { NULL, },
2510};
2511
358061f6 2512static void show_help(void)
01310af2 2513{
9c5755ee 2514 printf("usage: ffplay [options] input_file\n"
01310af2
FB		 2515 "Simple media player\n");
2516 printf("\n");
02d504a7
FB		 2517 show_help_options(options, "Main options:\n",
2518 OPT_EXPERT, 0);
2519 show_help_options(options, "\nAdvanced options:\n",
2520 OPT_EXPERT, OPT_EXPERT);
01310af2
FB		 2521 printf("\nWhile playing:\n"
2522 "q, ESC quit\n"
2523 "f toggle full screen\n"
2524 "p, SPC pause\n"
638c9d91
FB		 2525 "a cycle audio channel\n"
2526 "v cycle video channel\n"
72ce053b 2527 "t cycle subtitle channel\n"
638c9d91 2528 "w show audio waves\n"
72ea344b
FB		 2529 "left/right seek backward/forward 10 seconds\n"
2530 "down/up seek backward/forward 1 minute\n"
a11d11aa 2531 "mouse click seek to percentage in file corresponding to fraction of width\n"
01310af2 2532 );
01310af2
FB		 2533}
2534
358061f6 2535static void opt_input_file(const char *filename)
01310af2 2536{
e8d83e1c 2537 if (!strcmp(filename, "-"))
9fcfc0b7 2538 filename = "pipe:";
01310af2
FB		 2539 input_filename = filename;
2540}
2541
2542/* Called from the main */
2543int main(int argc, char **argv)
2544{
e43d7a18 2545 int flags, i;
115329f1 2546
01310af2 2547 /* register all codecs, demux and protocols */
c721d803
LA		 2548 avcodec_register_all();
2549 avdevice_register_all();
01310af2
FB		 2550 av_register_all();
2551
e43d7a18
MN		 2552 for(i=0; i<CODEC_TYPE_NB; i++){
2553 avctx_opts[i]= avcodec_alloc_context2(i);
2554 }
2555 avformat_opts = av_alloc_format_context();
2556 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
2557
ea9c581f 2558 show_banner();
4cfac5bc 2559
f5da5c93 2560 parse_options(argc, argv, options, opt_input_file);
01310af2 2561
aab1b7e5 2562 if (!input_filename) {
7a7da6b4 2563 fprintf(stderr, "An input file must be specified\n");
aab1b7e5
SS		 2564 exit(1);
2565 }
01310af2
FB		 2566
2567 if (display_disable) {
2568 video_disable = 1;
2569 }
31319a8c 2570 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
c97f5402
DB		 2571#if !defined(__MINGW32__) && !defined(__APPLE__)
2572 flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
31319a8c 2573#endif
01310af2 2574 if (SDL_Init (flags)) {
05ab0b76 2575 fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
01310af2
FB		 2576 exit(1);
2577 }
2578
2579 if (!display_disable) {
b250f9c6 2580#if HAVE_SDL_VIDEO_SIZE
3ef17d62
MR		 2581 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2582 fs_screen_width = vi->current_w;
2583 fs_screen_height = vi->current_h;
29f3b38a 2584#endif
01310af2
FB		 2585 }
2586
2587 SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
2588 SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
2589 SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
2590 SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
2591
39c6a118
MN		 2592 av_init_packet(&flush_pkt);
2593 flush_pkt.data= "FLUSH";
2594
638c9d91 2595 cur_stream = stream_open(input_filename, file_iformat);
01310af2
FB		 2596
2597 event_loop();
2598
2599 /* never returns */
2600
2601 return 0;
2602}
Libav master