IFF stereo support
[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>
01310af2 24#include "avformat.h"
c721d803 25#include "avdevice.h"
c971ff19 26#include "rtsp.h"
03ae87a3 27#include "swscale.h"
f7d78f36 28#include "avstring.h"
01310af2 29
f1cc88a5 30#include "version.h"
01310af2
FB
31#include "cmdutils.h"
32
33#include <SDL.h>
34#include <SDL_thread.h>
35
2f30a81d 36#ifdef __MINGW32__
31319a8c
FB
37#undef main /* We don't want SDL to override our main() */
38#endif
39
c367d067
MN
40#undef exit
41
4cfac5bc
SS
42static const char program_name[] = "FFplay";
43static const int program_birth_year = 2003;
44
638c9d91
FB
45//#define DEBUG_SYNC
46
01310af2
FB
47#define MAX_VIDEOQ_SIZE (5 * 256 * 1024)
48#define MAX_AUDIOQ_SIZE (5 * 16 * 1024)
72ce053b 49#define MAX_SUBTITLEQ_SIZE (5 * 16 * 1024)
01310af2 50
638c9d91
FB
51/* SDL audio buffer size, in samples. Should be small to have precise
52 A/V sync as SDL does not have hardware buffer fullness info. */
53#define SDL_AUDIO_BUFFER_SIZE 1024
54
55/* no AV sync correction is done if below the AV sync threshold */
7e0140cb 56#define AV_SYNC_THRESHOLD 0.01
638c9d91
FB
57/* no AV correction is done if too big error */
58#define AV_NOSYNC_THRESHOLD 10.0
59
60/* maximum audio speed change to get correct sync */
61#define SAMPLE_CORRECTION_PERCENT_MAX 10
62
63/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
64#define AUDIO_DIFF_AVG_NB 20
65
01310af2
FB
66/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
67#define SAMPLE_ARRAY_SIZE (2*65536)
68
03ae87a3
LA
69static int sws_flags = SWS_BICUBIC;
70
01310af2
FB
71typedef struct PacketQueue {
72 AVPacketList *first_pkt, *last_pkt;
73 int nb_packets;
74 int size;
75 int abort_request;
76 SDL_mutex *mutex;
77 SDL_cond *cond;
78} PacketQueue;
79
80#define VIDEO_PICTURE_QUEUE_SIZE 1
72ce053b 81#define SUBPICTURE_QUEUE_SIZE 4
01310af2
FB
82
83typedef struct VideoPicture {
267e9dfa 84 double pts; ///<presentation time stamp for this picture
01310af2
FB
85 SDL_Overlay *bmp;
86 int width, height; /* source height & width */
87 int allocated;
88} VideoPicture;
89
72ce053b
IC
90typedef struct SubPicture {
91 double pts; /* presentation time stamp for this picture */
92 AVSubtitle sub;
93} SubPicture;
94
01310af2
FB
95enum {
96 AV_SYNC_AUDIO_MASTER, /* default choice */
97 AV_SYNC_VIDEO_MASTER,
638c9d91 98 AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
01310af2
FB
99};
100
101typedef struct VideoState {
102 SDL_Thread *parse_tid;
103 SDL_Thread *video_tid;
638c9d91 104 AVInputFormat *iformat;
01310af2
FB
105 int no_background;
106 int abort_request;
107 int paused;
416e3508 108 int last_paused;
72ea344b 109 int seek_req;
3ba1438d 110 int seek_flags;
72ea344b 111 int64_t seek_pos;
01310af2
FB
112 AVFormatContext *ic;
113 int dtg_active_format;
114
115 int audio_stream;
115329f1 116
01310af2 117 int av_sync_type;
638c9d91
FB
118 double external_clock; /* external clock base */
119 int64_t external_clock_time;
115329f1 120
638c9d91
FB
121 double audio_clock;
122 double audio_diff_cum; /* used for AV difference average computation */
123 double audio_diff_avg_coef;
124 double audio_diff_threshold;
125 int audio_diff_avg_count;
01310af2
FB
126 AVStream *audio_st;
127 PacketQueue audioq;
128 int audio_hw_buf_size;
129 /* samples output by the codec. we reserve more space for avsync
130 compensation */
98145875 131 DECLARE_ALIGNED(16,uint8_t,audio_buf[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2]);
7fea94ce 132 unsigned int audio_buf_size; /* in bytes */
01310af2
FB
133 int audio_buf_index; /* in bytes */
134 AVPacket audio_pkt;
135 uint8_t *audio_pkt_data;
136 int audio_pkt_size;
115329f1 137
01310af2
FB
138 int show_audio; /* if true, display audio samples */
139 int16_t sample_array[SAMPLE_ARRAY_SIZE];
140 int sample_array_index;
5e0257e3 141 int last_i_start;
115329f1 142
72ce053b
IC
143 SDL_Thread *subtitle_tid;
144 int subtitle_stream;
145 int subtitle_stream_changed;
146 AVStream *subtitle_st;
147 PacketQueue subtitleq;
148 SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
149 int subpq_size, subpq_rindex, subpq_windex;
150 SDL_mutex *subpq_mutex;
151 SDL_cond *subpq_cond;
115329f1 152
638c9d91
FB
153 double frame_timer;
154 double frame_last_pts;
155 double frame_last_delay;
115329f1 156 double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame
01310af2
FB
157 int video_stream;
158 AVStream *video_st;
159 PacketQueue videoq;
267e9dfa
MN
160 double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
161 int64_t video_current_pts_time; ///<time (av_gettime) at which we updated video_current_pts - used to have running video pts
01310af2
FB
162 VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
163 int pictq_size, pictq_rindex, pictq_windex;
164 SDL_mutex *pictq_mutex;
165 SDL_cond *pictq_cond;
115329f1 166
01310af2
FB
167 // QETimer *video_timer;
168 char filename[1024];
169 int width, height, xleft, ytop;
170} VideoState;
171
358061f6 172static void show_help(void);
638c9d91 173static int audio_write_get_buf_size(VideoState *is);
01310af2
FB
174
175/* options specified by the user */
176static AVInputFormat *file_iformat;
177static const char *input_filename;
178static int fs_screen_width;
179static int fs_screen_height;
fccb19e3
MN
180static int screen_width = 0;
181static int screen_height = 0;
e4b89522
LW
182static int frame_width = 0;
183static int frame_height = 0;
184static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
01310af2
FB
185static int audio_disable;
186static int video_disable;
a8062103 187static int wanted_audio_stream= 0;
4d8243d3 188static int wanted_video_stream= 0;
94b594c6 189static int seek_by_bytes;
01310af2
FB
190static int display_disable;
191static int show_status;
638c9d91 192static int av_sync_type = AV_SYNC_AUDIO_MASTER;
72ea344b 193static int64_t start_time = AV_NOPTS_VALUE;
e26a8335 194static int debug = 0;
0c9bbaec 195static int debug_mv = 0;
bba04f1e 196static int step = 0;
c62c07d3 197static int thread_count = 1;
6387c3e6 198static int workaround_bugs = 1;
6fc5b059 199static int fast = 0;
30bc6613 200static int genpts = 0;
178fcca8
MN
201static int lowres = 0;
202static int idct = FF_IDCT_AUTO;
8c3eba7c
MN
203static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
204static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
205static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
1471c6c2 206static int error_resilience = FF_ER_CAREFUL;
1b51e051 207static int error_concealment = 3;
5039185a 208static int decoder_reorder_pts= 0;
01310af2
FB
209
210/* current context */
211static int is_full_screen;
212static VideoState *cur_stream;
5e0257e3 213static int64_t audio_callback_time;
01310af2 214
39c6a118
MN
215AVPacket flush_pkt;
216
01310af2
FB
217#define FF_ALLOC_EVENT (SDL_USEREVENT)
218#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
638c9d91 219#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
01310af2
FB
220
221SDL_Surface *screen;
222
223/* packet queue handling */
224static void packet_queue_init(PacketQueue *q)
225{
226 memset(q, 0, sizeof(PacketQueue));
227 q->mutex = SDL_CreateMutex();
228 q->cond = SDL_CreateCond();
229}
230
72ea344b 231static void packet_queue_flush(PacketQueue *q)
01310af2
FB
232{
233 AVPacketList *pkt, *pkt1;
234
687fae2b 235 SDL_LockMutex(q->mutex);
01310af2
FB
236 for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
237 pkt1 = pkt->next;
238 av_free_packet(&pkt->pkt);
da6c4573 239 av_freep(&pkt);
01310af2 240 }
72ea344b
FB
241 q->last_pkt = NULL;
242 q->first_pkt = NULL;
243 q->nb_packets = 0;
244 q->size = 0;
687fae2b 245 SDL_UnlockMutex(q->mutex);
72ea344b
FB
246}
247
248static void packet_queue_end(PacketQueue *q)
249{
250 packet_queue_flush(q);
01310af2
FB
251 SDL_DestroyMutex(q->mutex);
252 SDL_DestroyCond(q->cond);
253}
254
255static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
256{
257 AVPacketList *pkt1;
258
72ea344b 259 /* duplicate the packet */
39c6a118 260 if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
72ea344b 261 return -1;
115329f1 262
01310af2
FB
263 pkt1 = av_malloc(sizeof(AVPacketList));
264 if (!pkt1)
265 return -1;
266 pkt1->pkt = *pkt;
267 pkt1->next = NULL;
268
72ea344b 269
01310af2
FB
270 SDL_LockMutex(q->mutex);
271
272 if (!q->last_pkt)
273
274 q->first_pkt = pkt1;
275 else
276 q->last_pkt->next = pkt1;
277 q->last_pkt = pkt1;
278 q->nb_packets++;
279 q->size += pkt1->pkt.size;
280 /* XXX: should duplicate packet data in DV case */
281 SDL_CondSignal(q->cond);
282
283 SDL_UnlockMutex(q->mutex);
284 return 0;
285}
286
287static void packet_queue_abort(PacketQueue *q)
288{
289 SDL_LockMutex(q->mutex);
290
291 q->abort_request = 1;
115329f1 292
01310af2
FB
293 SDL_CondSignal(q->cond);
294
295 SDL_UnlockMutex(q->mutex);
296}
297
298/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
299static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
300{
301 AVPacketList *pkt1;
302 int ret;
303
304 SDL_LockMutex(q->mutex);
305
306 for(;;) {
307 if (q->abort_request) {
308 ret = -1;
309 break;
310 }
115329f1 311
01310af2
FB
312 pkt1 = q->first_pkt;
313 if (pkt1) {
314 q->first_pkt = pkt1->next;
315 if (!q->first_pkt)
316 q->last_pkt = NULL;
317 q->nb_packets--;
318 q->size -= pkt1->pkt.size;
319 *pkt = pkt1->pkt;
320 av_free(pkt1);
321 ret = 1;
322 break;
323 } else if (!block) {
324 ret = 0;
325 break;
326 } else {
327 SDL_CondWait(q->cond, q->mutex);
328 }
329 }
330 SDL_UnlockMutex(q->mutex);
331 return ret;
332}
333
115329f1 334static inline void fill_rectangle(SDL_Surface *screen,
01310af2
FB
335 int x, int y, int w, int h, int color)
336{
337 SDL_Rect rect;
338 rect.x = x;
339 rect.y = y;
340 rect.w = w;
341 rect.h = h;
342 SDL_FillRect(screen, &rect, color);
343}
344
345#if 0
346/* draw only the border of a rectangle */
347void fill_border(VideoState *s, int x, int y, int w, int h, int color)
348{
349 int w1, w2, h1, h2;
350
351 /* fill the background */
352 w1 = x;
353 if (w1 < 0)
354 w1 = 0;
355 w2 = s->width - (x + w);
356 if (w2 < 0)
357 w2 = 0;
358 h1 = y;
359 if (h1 < 0)
360 h1 = 0;
361 h2 = s->height - (y + h);
362 if (h2 < 0)
363 h2 = 0;
115329f1
DB
364 fill_rectangle(screen,
365 s->xleft, s->ytop,
366 w1, s->height,
01310af2 367 color);
115329f1
DB
368 fill_rectangle(screen,
369 s->xleft + s->width - w2, s->ytop,
370 w2, s->height,
01310af2 371 color);
115329f1
DB
372 fill_rectangle(screen,
373 s->xleft + w1, s->ytop,
374 s->width - w1 - w2, h1,
01310af2 375 color);
115329f1 376 fill_rectangle(screen,
01310af2
FB
377 s->xleft + w1, s->ytop + s->height - h2,
378 s->width - w1 - w2, h2,
379 color);
380}
381#endif
382
72ce053b
IC
383
384
385#define SCALEBITS 10
386#define ONE_HALF (1 << (SCALEBITS - 1))
387#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
388
389#define RGB_TO_Y_CCIR(r, g, b) \
390((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \
391 FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
392
393#define RGB_TO_U_CCIR(r1, g1, b1, shift)\
394(((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \
395 FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
396
397#define RGB_TO_V_CCIR(r1, g1, b1, shift)\
398(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
399 FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
400
401#define ALPHA_BLEND(a, oldp, newp, s)\
402((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
403
404#define RGBA_IN(r, g, b, a, s)\
405{\
406 unsigned int v = ((const uint32_t *)(s))[0];\
407 a = (v >> 24) & 0xff;\
408 r = (v >> 16) & 0xff;\
409 g = (v >> 8) & 0xff;\
410 b = v & 0xff;\
411}
412
413#define YUVA_IN(y, u, v, a, s, pal)\
414{\
57cf99f2 415 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
72ce053b
IC
416 a = (val >> 24) & 0xff;\
417 y = (val >> 16) & 0xff;\
418 u = (val >> 8) & 0xff;\
419 v = val & 0xff;\
420}
421
422#define YUVA_OUT(d, y, u, v, a)\
423{\
424 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
425}
426
427
428#define BPP 1
429
0a8cd696 430static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
72ce053b
IC
431{
432 int wrap, wrap3, width2, skip2;
433 int y, u, v, a, u1, v1, a1, w, h;
434 uint8_t *lum, *cb, *cr;
435 const uint8_t *p;
436 const uint32_t *pal;
9cb5a11e
RD
437 int dstx, dsty, dstw, dsth;
438
0a8cd696 439 dstx = FFMIN(FFMAX(rect->x, 0), imgw);
9cb5a11e 440 dstw = FFMIN(FFMAX(rect->w, 0), imgw - dstx);
0a8cd696 441 dsty = FFMIN(FFMAX(rect->y, 0), imgh);
9cb5a11e
RD
442 dsth = FFMIN(FFMAX(rect->h, 0), imgh - dsty);
443 lum = dst->data[0] + dsty * dst->linesize[0];
444 cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
445 cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
446
447 width2 = (dstw + 1) >> 1;
448 skip2 = dstx >> 1;
72ce053b
IC
449 wrap = dst->linesize[0];
450 wrap3 = rect->linesize;
451 p = rect->bitmap;
452 pal = rect->rgba_palette; /* Now in YCrCb! */
115329f1 453
9cb5a11e
RD
454 if (dsty & 1) {
455 lum += dstx;
72ce053b
IC
456 cb += skip2;
457 cr += skip2;
115329f1 458
9cb5a11e 459 if (dstx & 1) {
72ce053b
IC
460 YUVA_IN(y, u, v, a, p, pal);
461 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
462 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
463 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
464 cb++;
465 cr++;
466 lum++;
467 p += BPP;
468 }
9cb5a11e 469 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC
470 YUVA_IN(y, u, v, a, p, pal);
471 u1 = u;
472 v1 = v;
473 a1 = a;
474 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
475
476 YUVA_IN(y, u, v, a, p + BPP, pal);
477 u1 += u;
478 v1 += v;
479 a1 += a;
480 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
481 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
482 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
483 cb++;
484 cr++;
485 p += 2 * BPP;
486 lum += 2;
487 }
488 if (w) {
489 YUVA_IN(y, u, v, a, p, pal);
490 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
491 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
492 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
493 }
9cb5a11e
RD
494 p += wrap3 + (wrap3 - dstw * BPP);
495 lum += wrap + (wrap - dstw - dstx);
72ce053b
IC
496 cb += dst->linesize[1] - width2 - skip2;
497 cr += dst->linesize[2] - width2 - skip2;
498 }
9cb5a11e
RD
499 for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
500 lum += dstx;
72ce053b
IC
501 cb += skip2;
502 cr += skip2;
115329f1 503
9cb5a11e 504 if (dstx & 1) {
72ce053b
IC
505 YUVA_IN(y, u, v, a, p, pal);
506 u1 = u;
507 v1 = v;
508 a1 = a;
509 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
510 p += wrap3;
511 lum += wrap;
512 YUVA_IN(y, u, v, a, p, pal);
513 u1 += u;
514 v1 += v;
515 a1 += a;
516 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
517 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
518 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
519 cb++;
520 cr++;
521 p += -wrap3 + BPP;
522 lum += -wrap + 1;
523 }
9cb5a11e 524 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC
525 YUVA_IN(y, u, v, a, p, pal);
526 u1 = u;
527 v1 = v;
528 a1 = a;
529 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
530
531 YUVA_IN(y, u, v, a, p, pal);
532 u1 += u;
533 v1 += v;
534 a1 += a;
535 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
536 p += wrap3;
537 lum += wrap;
538
539 YUVA_IN(y, u, v, a, p, pal);
540 u1 += u;
541 v1 += v;
542 a1 += a;
543 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
544
545 YUVA_IN(y, u, v, a, p, pal);
546 u1 += u;
547 v1 += v;
548 a1 += a;
549 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
550
551 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
552 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
553
554 cb++;
555 cr++;
556 p += -wrap3 + 2 * BPP;
557 lum += -wrap + 2;
558 }
559 if (w) {
560 YUVA_IN(y, u, v, a, p, pal);
561 u1 = u;
562 v1 = v;
563 a1 = a;
564 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
565 p += wrap3;
566 lum += wrap;
567 YUVA_IN(y, u, v, a, p, pal);
568 u1 += u;
569 v1 += v;
570 a1 += a;
571 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
572 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
573 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
574 cb++;
575 cr++;
576 p += -wrap3 + BPP;
577 lum += -wrap + 1;
578 }
9cb5a11e
RD
579 p += wrap3 + (wrap3 - dstw * BPP);
580 lum += wrap + (wrap - dstw - dstx);
72ce053b
IC
581 cb += dst->linesize[1] - width2 - skip2;
582 cr += dst->linesize[2] - width2 - skip2;
583 }
584 /* handle odd height */
585 if (h) {
9cb5a11e 586 lum += dstx;
72ce053b
IC
587 cb += skip2;
588 cr += skip2;
115329f1 589
9cb5a11e 590 if (dstx & 1) {
72ce053b
IC
591 YUVA_IN(y, u, v, a, p, pal);
592 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
593 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
594 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
595 cb++;
596 cr++;
597 lum++;
598 p += BPP;
599 }
9cb5a11e 600 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC
601 YUVA_IN(y, u, v, a, p, pal);
602 u1 = u;
603 v1 = v;
604 a1 = a;
605 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
606
607 YUVA_IN(y, u, v, a, p + BPP, pal);
608 u1 += u;
609 v1 += v;
610 a1 += a;
611 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
612 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
613 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
614 cb++;
615 cr++;
616 p += 2 * BPP;
617 lum += 2;
618 }
619 if (w) {
620 YUVA_IN(y, u, v, a, p, pal);
621 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
622 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
623 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
624 }
625 }
626}
627
628static void free_subpicture(SubPicture *sp)
629{
630 int i;
115329f1 631
72ce053b
IC
632 for (i = 0; i < sp->sub.num_rects; i++)
633 {
634 av_free(sp->sub.rects[i].bitmap);
635 av_free(sp->sub.rects[i].rgba_palette);
636 }
115329f1 637
72ce053b 638 av_free(sp->sub.rects);
115329f1 639
72ce053b
IC
640 memset(&sp->sub, 0, sizeof(AVSubtitle));
641}
642
01310af2
FB
643static void video_image_display(VideoState *is)
644{
645 VideoPicture *vp;
72ce053b
IC
646 SubPicture *sp;
647 AVPicture pict;
01310af2
FB
648 float aspect_ratio;
649 int width, height, x, y;
650 SDL_Rect rect;
72ce053b 651 int i;
01310af2
FB
652
653 vp = &is->pictq[is->pictq_rindex];
654 if (vp->bmp) {
655 /* XXX: use variable in the frame */
115329f1 656 if (is->video_st->codec->sample_aspect_ratio.num == 0)
72ea344b
FB
657 aspect_ratio = 0;
658 else
115329f1 659 aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio)
cea96420 660 * is->video_st->codec->width / is->video_st->codec->height;
01310af2 661 if (aspect_ratio <= 0.0)
115329f1 662 aspect_ratio = (float)is->video_st->codec->width /
01f4895c 663 (float)is->video_st->codec->height;
01310af2
FB
664 /* if an active format is indicated, then it overrides the
665 mpeg format */
666#if 0
01f4895c
MN
667 if (is->video_st->codec->dtg_active_format != is->dtg_active_format) {
668 is->dtg_active_format = is->video_st->codec->dtg_active_format;
01310af2
FB
669 printf("dtg_active_format=%d\n", is->dtg_active_format);
670 }
671#endif
672#if 0
01f4895c 673 switch(is->video_st->codec->dtg_active_format) {
01310af2
FB
674 case FF_DTG_AFD_SAME:
675 default:
676 /* nothing to do */
677 break;
678 case FF_DTG_AFD_4_3:
679 aspect_ratio = 4.0 / 3.0;
680 break;
681 case FF_DTG_AFD_16_9:
682 aspect_ratio = 16.0 / 9.0;
683 break;
684 case FF_DTG_AFD_14_9:
685 aspect_ratio = 14.0 / 9.0;
686 break;
687 case FF_DTG_AFD_4_3_SP_14_9:
688 aspect_ratio = 14.0 / 9.0;
689 break;
690 case FF_DTG_AFD_16_9_SP_14_9:
691 aspect_ratio = 14.0 / 9.0;
692 break;
693 case FF_DTG_AFD_SP_4_3:
694 aspect_ratio = 4.0 / 3.0;
695 break;
696 }
697#endif
698
72ce053b
IC
699 if (is->subtitle_st)
700 {
701 if (is->subpq_size > 0)
702 {
703 sp = &is->subpq[is->subpq_rindex];
704
705 if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
706 {
707 SDL_LockYUVOverlay (vp->bmp);
708
709 pict.data[0] = vp->bmp->pixels[0];
710 pict.data[1] = vp->bmp->pixels[2];
711 pict.data[2] = vp->bmp->pixels[1];
712
713 pict.linesize[0] = vp->bmp->pitches[0];
714 pict.linesize[1] = vp->bmp->pitches[2];
715 pict.linesize[2] = vp->bmp->pitches[1];
716
717 for (i = 0; i < sp->sub.num_rects; i++)
9cb5a11e 718 blend_subrect(&pict, &sp->sub.rects[i],
0a8cd696 719 vp->bmp->w, vp->bmp->h);
72ce053b
IC
720
721 SDL_UnlockYUVOverlay (vp->bmp);
722 }
723 }
724 }
725
726
01310af2
FB
727 /* XXX: we suppose the screen has a 1.0 pixel ratio */
728 height = is->height;
729 width = ((int)rint(height * aspect_ratio)) & -3;
730 if (width > is->width) {
731 width = is->width;
732 height = ((int)rint(width / aspect_ratio)) & -3;
733 }
734 x = (is->width - width) / 2;
735 y = (is->height - height) / 2;
736 if (!is->no_background) {
737 /* fill the background */
738 // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
739 } else {
740 is->no_background = 0;
741 }
742 rect.x = is->xleft + x;
2f6547fb 743 rect.y = is->ytop + y;
01310af2
FB
744 rect.w = width;
745 rect.h = height;
746 SDL_DisplayYUVOverlay(vp->bmp, &rect);
747 } else {
748#if 0
115329f1
DB
749 fill_rectangle(screen,
750 is->xleft, is->ytop, is->width, is->height,
01310af2
FB
751 QERGB(0x00, 0x00, 0x00));
752#endif
753 }
754}
755
756static inline int compute_mod(int a, int b)
757{
758 a = a % b;
115329f1 759 if (a >= 0)
01310af2
FB
760 return a;
761 else
762 return a + b;
763}
764
765static void video_audio_display(VideoState *s)
766{
767 int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
768 int ch, channels, h, h2, bgcolor, fgcolor;
769 int16_t time_diff;
115329f1 770
01310af2 771 /* compute display index : center on currently output samples */
01f4895c 772 channels = s->audio_st->codec->channels;
01310af2 773 nb_display_channels = channels;
5e0257e3
FB
774 if (!s->paused) {
775 n = 2 * channels;
776 delay = audio_write_get_buf_size(s);
777 delay /= n;
115329f1 778
5e0257e3
FB
779 /* to be more precise, we take into account the time spent since
780 the last buffer computation */
781 if (audio_callback_time) {
782 time_diff = av_gettime() - audio_callback_time;
01f4895c 783 delay += (time_diff * s->audio_st->codec->sample_rate) / 1000000;
5e0257e3 784 }
115329f1 785
5e0257e3
FB
786 delay -= s->width / 2;
787 if (delay < s->width)
788 delay = s->width;
ac50bcc8
MN
789
790 i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
791
792 h= INT_MIN;
793 for(i=0; i<1000; i+=channels){
794 int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
795 int a= s->sample_array[idx];
796 int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
797 int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
798 int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
799 int score= a-d;
800 if(h<score && (b^c)<0){
801 h= score;
802 i_start= idx;
803 }
804 }
805
5e0257e3
FB
806 s->last_i_start = i_start;
807 } else {
808 i_start = s->last_i_start;
01310af2
FB
809 }
810
01310af2 811 bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
115329f1
DB
812 fill_rectangle(screen,
813 s->xleft, s->ytop, s->width, s->height,
01310af2
FB
814 bgcolor);
815
816 fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
817
818 /* total height for one channel */
819 h = s->height / nb_display_channels;
820 /* graph height / 2 */
821 h2 = (h * 9) / 20;
822 for(ch = 0;ch < nb_display_channels; ch++) {
823 i = i_start + ch;
824 y1 = s->ytop + ch * h + (h / 2); /* position of center line */
825 for(x = 0; x < s->width; x++) {
826 y = (s->sample_array[i] * h2) >> 15;
827 if (y < 0) {
828 y = -y;
829 ys = y1 - y;
830 } else {
831 ys = y1;
832 }
115329f1
DB
833 fill_rectangle(screen,
834 s->xleft + x, ys, 1, y,
01310af2
FB
835 fgcolor);
836 i += channels;
837 if (i >= SAMPLE_ARRAY_SIZE)
838 i -= SAMPLE_ARRAY_SIZE;
839 }
840 }
841
842 fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
843
844 for(ch = 1;ch < nb_display_channels; ch++) {
845 y = s->ytop + ch * h;
115329f1
DB
846 fill_rectangle(screen,
847 s->xleft, y, s->width, 1,
01310af2
FB
848 fgcolor);
849 }
850 SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
851}
852
990c8438
MN
853static int video_open(VideoState *is){
854 int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
855 int w,h;
856
fb84155b
MN
857 if(is_full_screen) flags |= SDL_FULLSCREEN;
858 else flags |= SDL_RESIZABLE;
859
990c8438
MN
860 if (is_full_screen && fs_screen_width) {
861 w = fs_screen_width;
862 h = fs_screen_height;
fb84155b
MN
863 } else if(!is_full_screen && screen_width){
864 w = screen_width;
865 h = screen_height;
866 }else if (is->video_st && is->video_st->codec->width){
867 w = is->video_st->codec->width;
868 h = is->video_st->codec->height;
990c8438 869 } else {
fb84155b
MN
870 w = 640;
871 h = 480;
990c8438 872 }
c97f5402 873#ifndef __APPLE__
990c8438
MN
874 screen = SDL_SetVideoMode(w, h, 0, flags);
875#else
876 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
877 screen = SDL_SetVideoMode(w, h, 24, flags);
878#endif
879 if (!screen) {
880 fprintf(stderr, "SDL: could not set video mode - exiting\n");
881 return -1;
882 }
883 SDL_WM_SetCaption("FFplay", "FFplay");
884
885 is->width = screen->w;
886 is->height = screen->h;
887
888 return 0;
889}
8c982c5d 890
01310af2
FB
891/* display the current picture, if any */
892static void video_display(VideoState *is)
893{
8c982c5d
MN
894 if(!screen)
895 video_open(cur_stream);
115329f1 896 if (is->audio_st && is->show_audio)
01310af2
FB
897 video_audio_display(is);
898 else if (is->video_st)
899 video_image_display(is);
900}
901
902static Uint32 sdl_refresh_timer_cb(Uint32 interval, void *opaque)
903{
904 SDL_Event event;
905 event.type = FF_REFRESH_EVENT;
906 event.user.data1 = opaque;
907 SDL_PushEvent(&event);
908 return 0; /* 0 means stop timer */
909}
910
911/* schedule a video refresh in 'delay' ms */
912static void schedule_refresh(VideoState *is, int delay)
913{
914 SDL_AddTimer(delay, sdl_refresh_timer_cb, is);
915}
916
638c9d91
FB
917/* get the current audio clock value */
918static double get_audio_clock(VideoState *is)
919{
920 double pts;
921 int hw_buf_size, bytes_per_sec;
922 pts = is->audio_clock;
923 hw_buf_size = audio_write_get_buf_size(is);
924 bytes_per_sec = 0;
925 if (is->audio_st) {
115329f1 926 bytes_per_sec = is->audio_st->codec->sample_rate *
01f4895c 927 2 * is->audio_st->codec->channels;
638c9d91
FB
928 }
929 if (bytes_per_sec)
930 pts -= (double)hw_buf_size / bytes_per_sec;
931 return pts;
932}
933
934/* get the current video clock value */
935static double get_video_clock(VideoState *is)
936{
937 double delta;
04108619 938 if (is->paused) {
72ea344b
FB
939 delta = 0;
940 } else {
941 delta = (av_gettime() - is->video_current_pts_time) / 1000000.0;
942 }
638c9d91
FB
943 return is->video_current_pts + delta;
944}
945
946/* get the current external clock value */
947static double get_external_clock(VideoState *is)
948{
949 int64_t ti;
950 ti = av_gettime();
951 return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
952}
953
954/* get the current master clock value */
955static double get_master_clock(VideoState *is)
956{
957 double val;
958
72ea344b
FB
959 if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
960 if (is->video_st)
961 val = get_video_clock(is);
962 else
963 val = get_audio_clock(is);
964 } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
965 if (is->audio_st)
966 val = get_audio_clock(is);
967 else
968 val = get_video_clock(is);
969 } else {
638c9d91 970 val = get_external_clock(is);
72ea344b 971 }
638c9d91
FB
972 return val;
973}
974
72ea344b 975/* seek in the stream */
3ba1438d 976static void stream_seek(VideoState *is, int64_t pos, int rel)
72ea344b 977{
687fae2b
IW
978 if (!is->seek_req) {
979 is->seek_pos = pos;
980 is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0;
94b594c6
SH
981 if (seek_by_bytes)
982 is->seek_flags |= AVSEEK_FLAG_BYTE;
687fae2b
IW
983 is->seek_req = 1;
984 }
72ea344b
FB
985}
986
987/* pause or resume the video */
988static void stream_pause(VideoState *is)
989{
990 is->paused = !is->paused;
917fa192 991 if (!is->paused) {
72ea344b 992 is->video_current_pts = get_video_clock(is);
917fa192 993 is->frame_timer += (av_gettime() - is->video_current_pts_time) / 1000000.0;
72ea344b
FB
994 }
995}
996
01310af2
FB
997/* called to display each frame */
998static void video_refresh_timer(void *opaque)
999{
1000 VideoState *is = opaque;
1001 VideoPicture *vp;
638c9d91
FB
1002 double actual_delay, delay, sync_threshold, ref_clock, diff;
1003
72ce053b 1004 SubPicture *sp, *sp2;
01310af2
FB
1005
1006 if (is->video_st) {
1007 if (is->pictq_size == 0) {
1008 /* if no picture, need to wait */
7e0140cb 1009 schedule_refresh(is, 1);
01310af2 1010 } else {
638c9d91 1011 /* dequeue the picture */
01310af2 1012 vp = &is->pictq[is->pictq_rindex];
638c9d91
FB
1013
1014 /* update current video pts */
1015 is->video_current_pts = vp->pts;
1016 is->video_current_pts_time = av_gettime();
1017
1018 /* compute nominal delay */
1019 delay = vp->pts - is->frame_last_pts;
ec2fc00d 1020 if (delay <= 0 || delay >= 2.0) {
638c9d91
FB
1021 /* if incorrect delay, use previous one */
1022 delay = is->frame_last_delay;
1023 }
1024 is->frame_last_delay = delay;
1025 is->frame_last_pts = vp->pts;
1026
1027 /* update delay to follow master synchronisation source */
1028 if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1029 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1030 /* if video is slave, we try to correct big delays by
1031 duplicating or deleting a frame */
1032 ref_clock = get_master_clock(is);
1033 diff = vp->pts - ref_clock;
115329f1 1034
638c9d91
FB
1035 /* skip or repeat frame. We take into account the
1036 delay to compute the threshold. I still don't know
1037 if it is the best guess */
1038 sync_threshold = AV_SYNC_THRESHOLD;
1039 if (delay > sync_threshold)
1040 sync_threshold = delay;
1041 if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1042 if (diff <= -sync_threshold)
1043 delay = 0;
1044 else if (diff >= sync_threshold)
1045 delay = 2 * delay;
1046 }
1047 }
1048
1049 is->frame_timer += delay;
1050 /* compute the REAL delay (we need to do that to avoid
1051 long term errors */
1052 actual_delay = is->frame_timer - (av_gettime() / 1000000.0);
1053 if (actual_delay < 0.010) {
1054 /* XXX: should skip picture */
1055 actual_delay = 0.010;
1056 }
01310af2 1057 /* launch timer for next picture */
638c9d91
FB
1058 schedule_refresh(is, (int)(actual_delay * 1000 + 0.5));
1059
1060#if defined(DEBUG_SYNC)
115329f1 1061 printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
638c9d91
FB
1062 delay, actual_delay, vp->pts, -diff);
1063#endif
01310af2 1064
72ce053b
IC
1065 if(is->subtitle_st) {
1066 if (is->subtitle_stream_changed) {
1067 SDL_LockMutex(is->subpq_mutex);
115329f1 1068
72ce053b
IC
1069 while (is->subpq_size) {
1070 free_subpicture(&is->subpq[is->subpq_rindex]);
115329f1 1071
72ce053b
IC
1072 /* update queue size and signal for next picture */
1073 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1074 is->subpq_rindex = 0;
115329f1 1075
72ce053b
IC
1076 is->subpq_size--;
1077 }
1078 is->subtitle_stream_changed = 0;
1079
1080 SDL_CondSignal(is->subpq_cond);
1081 SDL_UnlockMutex(is->subpq_mutex);
1082 } else {
1083 if (is->subpq_size > 0) {
1084 sp = &is->subpq[is->subpq_rindex];
1085
1086 if (is->subpq_size > 1)
1087 sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1088 else
1089 sp2 = NULL;
1090
1091 if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1092 || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1093 {
1094 free_subpicture(sp);
1095
1096 /* update queue size and signal for next picture */
1097 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1098 is->subpq_rindex = 0;
1099
1100 SDL_LockMutex(is->subpq_mutex);
1101 is->subpq_size--;
1102 SDL_CondSignal(is->subpq_cond);
1103 SDL_UnlockMutex(is->subpq_mutex);
1104 }
1105 }
1106 }
1107 }
1108
01310af2
FB
1109 /* display picture */
1110 video_display(is);
115329f1 1111
01310af2
FB
1112 /* update queue size and signal for next picture */
1113 if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1114 is->pictq_rindex = 0;
115329f1 1115
01310af2
FB
1116 SDL_LockMutex(is->pictq_mutex);
1117 is->pictq_size--;
1118 SDL_CondSignal(is->pictq_cond);
1119 SDL_UnlockMutex(is->pictq_mutex);
1120 }
1121 } else if (is->audio_st) {
1122 /* draw the next audio frame */
1123
1124 schedule_refresh(is, 40);
1125
1126 /* if only audio stream, then display the audio bars (better
1127 than nothing, just to test the implementation */
115329f1 1128
01310af2
FB
1129 /* display picture */
1130 video_display(is);
1131 } else {
1132 schedule_refresh(is, 100);
1133 }
1134 if (show_status) {
1135 static int64_t last_time;
1136 int64_t cur_time;
72ce053b 1137 int aqsize, vqsize, sqsize;
638c9d91 1138 double av_diff;
115329f1 1139
01310af2
FB
1140 cur_time = av_gettime();
1141 if (!last_time || (cur_time - last_time) >= 500 * 1000) {
1142 aqsize = 0;
1143 vqsize = 0;
72ce053b 1144 sqsize = 0;
01310af2
FB
1145 if (is->audio_st)
1146 aqsize = is->audioq.size;
1147 if (is->video_st)
1148 vqsize = is->videoq.size;
72ce053b
IC
1149 if (is->subtitle_st)
1150 sqsize = is->subtitleq.size;
638c9d91
FB
1151 av_diff = 0;
1152 if (is->audio_st && is->video_st)
1153 av_diff = get_audio_clock(is) - get_video_clock(is);
115329f1 1154 printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB \r",
72ce053b 1155 get_master_clock(is), av_diff, aqsize / 1024, vqsize / 1024, sqsize);
01310af2
FB
1156 fflush(stdout);
1157 last_time = cur_time;
1158 }
1159 }
1160}
1161
1162/* allocate a picture (needs to do that in main thread to avoid
1163 potential locking problems */
1164static void alloc_picture(void *opaque)
1165{
1166 VideoState *is = opaque;
1167 VideoPicture *vp;
01310af2
FB
1168
1169 vp = &is->pictq[is->pictq_windex];
1170
1171 if (vp->bmp)
1172 SDL_FreeYUVOverlay(vp->bmp);
1173
61890b02 1174#if 0
01310af2 1175 /* XXX: use generic function */
61890b02 1176 /* XXX: disable overlay if no hardware acceleration or if RGB format */
01f4895c 1177 switch(is->video_st->codec->pix_fmt) {
01310af2
FB
1178 case PIX_FMT_YUV420P:
1179 case PIX_FMT_YUV422P:
1180 case PIX_FMT_YUV444P:
71e445fc 1181 case PIX_FMT_YUYV422:
01310af2
FB
1182 case PIX_FMT_YUV410P:
1183 case PIX_FMT_YUV411P:
1184 is_yuv = 1;
1185 break;
1186 default:
1187 is_yuv = 0;
1188 break;
1189 }
01310af2 1190#endif
01f4895c
MN
1191 vp->bmp = SDL_CreateYUVOverlay(is->video_st->codec->width,
1192 is->video_st->codec->height,
115329f1 1193 SDL_YV12_OVERLAY,
61890b02 1194 screen);
01f4895c
MN
1195 vp->width = is->video_st->codec->width;
1196 vp->height = is->video_st->codec->height;
01310af2
FB
1197
1198 SDL_LockMutex(is->pictq_mutex);
1199 vp->allocated = 1;
1200 SDL_CondSignal(is->pictq_cond);
1201 SDL_UnlockMutex(is->pictq_mutex);
1202}
1203
267e9dfa
MN
1204/**
1205 *
1206 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1207 */
638c9d91 1208static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
01310af2
FB
1209{
1210 VideoPicture *vp;
1211 int dst_pix_fmt;
1212 AVPicture pict;
03ae87a3 1213 static struct SwsContext *img_convert_ctx;
115329f1 1214
01310af2
FB
1215 /* wait until we have space to put a new picture */
1216 SDL_LockMutex(is->pictq_mutex);
1217 while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1218 !is->videoq.abort_request) {
1219 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1220 }
1221 SDL_UnlockMutex(is->pictq_mutex);
115329f1 1222
01310af2
FB
1223 if (is->videoq.abort_request)
1224 return -1;
1225
1226 vp = &is->pictq[is->pictq_windex];
1227
1228 /* alloc or resize hardware picture buffer */
115329f1 1229 if (!vp->bmp ||
01f4895c
MN
1230 vp->width != is->video_st->codec->width ||
1231 vp->height != is->video_st->codec->height) {
01310af2
FB
1232 SDL_Event event;
1233
1234 vp->allocated = 0;
1235
1236 /* the allocation must be done in the main thread to avoid
1237 locking problems */
1238 event.type = FF_ALLOC_EVENT;
1239 event.user.data1 = is;
1240 SDL_PushEvent(&event);
115329f1 1241
01310af2
FB
1242 /* wait until the picture is allocated */
1243 SDL_LockMutex(is->pictq_mutex);
1244 while (!vp->allocated && !is->videoq.abort_request) {
1245 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1246 }
1247 SDL_UnlockMutex(is->pictq_mutex);
1248
1249 if (is->videoq.abort_request)
1250 return -1;
1251 }
1252
638c9d91 1253 /* if the frame is not skipped, then display it */
01310af2
FB
1254 if (vp->bmp) {
1255 /* get a pointer on the bitmap */
1256 SDL_LockYUVOverlay (vp->bmp);
1257
1258 dst_pix_fmt = PIX_FMT_YUV420P;
1259 pict.data[0] = vp->bmp->pixels[0];
1260 pict.data[1] = vp->bmp->pixels[2];
1261 pict.data[2] = vp->bmp->pixels[1];
1262
1263 pict.linesize[0] = vp->bmp->pitches[0];
1264 pict.linesize[1] = vp->bmp->pitches[2];
1265 pict.linesize[2] = vp->bmp->pitches[1];
feb7bc67
AB
1266 img_convert_ctx = sws_getCachedContext(img_convert_ctx,
1267 is->video_st->codec->width, is->video_st->codec->height,
1268 is->video_st->codec->pix_fmt,
1269 is->video_st->codec->width, is->video_st->codec->height,
1270 dst_pix_fmt, sws_flags, NULL, NULL, NULL);
26ba8235
AB
1271 if (img_convert_ctx == NULL) {
1272 fprintf(stderr, "Cannot initialize the conversion context\n");
1273 exit(1);
1274 }
03ae87a3
LA
1275 sws_scale(img_convert_ctx, src_frame->data, src_frame->linesize,
1276 0, is->video_st->codec->height, pict.data, pict.linesize);
01310af2
FB
1277 /* update the bitmap content */
1278 SDL_UnlockYUVOverlay(vp->bmp);
1279
638c9d91 1280 vp->pts = pts;
01310af2
FB
1281
1282 /* now we can update the picture count */
1283 if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1284 is->pictq_windex = 0;
1285 SDL_LockMutex(is->pictq_mutex);
1286 is->pictq_size++;
1287 SDL_UnlockMutex(is->pictq_mutex);
1288 }
638c9d91
FB
1289 return 0;
1290}
1291
115329f1
DB
1292/**
1293 * compute the exact PTS for the picture if it is omitted in the stream
267e9dfa
MN
1294 * @param pts1 the dts of the pkt / pts of the frame
1295 */
638c9d91
FB
1296static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1)
1297{
1298 double frame_delay, pts;
115329f1 1299
638c9d91
FB
1300 pts = pts1;
1301
01310af2 1302 if (pts != 0) {
638c9d91 1303 /* update video clock with pts, if present */
01310af2
FB
1304 is->video_clock = pts;
1305 } else {
72ea344b
FB
1306 pts = is->video_clock;
1307 }
1308 /* update video clock for next frame */
01f4895c 1309 frame_delay = av_q2d(is->video_st->codec->time_base);
72ea344b
FB
1310 /* for MPEG2, the frame can be repeated, so we update the
1311 clock accordingly */
267e9dfa 1312 frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
72ea344b 1313 is->video_clock += frame_delay;
638c9d91
FB
1314
1315#if defined(DEBUG_SYNC) && 0
1316 {
1317 int ftype;
1318 if (src_frame->pict_type == FF_B_TYPE)
1319 ftype = 'B';
1320 else if (src_frame->pict_type == FF_I_TYPE)
1321 ftype = 'I';
1322 else
1323 ftype = 'P';
115329f1 1324 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
72ea344b 1325 ftype, pts, pts1);
638c9d91
FB
1326 }
1327#endif
72ea344b 1328 return queue_picture(is, src_frame, pts);
01310af2
FB
1329}
1330
5039185a
MN
1331static uint64_t global_video_pkt_pts= AV_NOPTS_VALUE;
1332
1333static int my_get_buffer(struct AVCodecContext *c, AVFrame *pic){
1334 int ret= avcodec_default_get_buffer(c, pic);
1335 uint64_t *pts= av_malloc(sizeof(uint64_t));
1336 *pts= global_video_pkt_pts;
1337 pic->opaque= pts;
1338 return ret;
1339}
1340
1341static void my_release_buffer(struct AVCodecContext *c, AVFrame *pic){
1342 if(pic) av_freep(&pic->opaque);
1343 avcodec_default_release_buffer(c, pic);
1344}
1345
01310af2
FB
1346static int video_thread(void *arg)
1347{
1348 VideoState *is = arg;
1349 AVPacket pkt1, *pkt = &pkt1;
72ea344b 1350 int len1, got_picture;
c6b1edc9 1351 AVFrame *frame= avcodec_alloc_frame();
01310af2
FB
1352 double pts;
1353
1354 for(;;) {
1355 while (is->paused && !is->videoq.abort_request) {
1356 SDL_Delay(10);
1357 }
1358 if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1359 break;
39c6a118
MN
1360
1361 if(pkt->data == flush_pkt.data){
1362 avcodec_flush_buffers(is->video_st->codec);
1363 continue;
1364 }
1365
638c9d91
FB
1366 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1367 this packet, if any */
620e8baf
MN
1368 global_video_pkt_pts= pkt->pts;
1369 len1 = avcodec_decode_video(is->video_st->codec,
1370 frame, &got_picture,
1371 pkt->data, pkt->size);
1372
1373 if( (decoder_reorder_pts || pkt->dts == AV_NOPTS_VALUE)
1374 && frame->opaque && *(uint64_t*)frame->opaque != AV_NOPTS_VALUE)
1375 pts= *(uint64_t*)frame->opaque;
1376 else if(pkt->dts != AV_NOPTS_VALUE)
1377 pts= pkt->dts;
1378 else
1379 pts= 0;
1380 pts *= av_q2d(is->video_st->time_base);
5039185a 1381
fb966f99
MN
1382// if (len1 < 0)
1383// break;
620e8baf
MN
1384 if (got_picture) {
1385 if (output_picture2(is, frame, pts) < 0)
1386 goto the_end;
1387 }
01310af2 1388 av_free_packet(pkt);
115329f1 1389 if (step)
bba04f1e
WH
1390 if (cur_stream)
1391 stream_pause(cur_stream);
01310af2
FB
1392 }
1393 the_end:
c6b1edc9 1394 av_free(frame);
01310af2
FB
1395 return 0;
1396}
1397
72ce053b
IC
1398static int subtitle_thread(void *arg)
1399{
1400 VideoState *is = arg;
1401 SubPicture *sp;
1402 AVPacket pkt1, *pkt = &pkt1;
1403 int len1, got_subtitle;
1404 double pts;
1405 int i, j;
1406 int r, g, b, y, u, v, a;
1407
1408 for(;;) {
1409 while (is->paused && !is->subtitleq.abort_request) {
1410 SDL_Delay(10);
1411 }
1412 if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1413 break;
115329f1 1414
39c6a118
MN
1415 if(pkt->data == flush_pkt.data){
1416 avcodec_flush_buffers(is->subtitle_st->codec);
1417 continue;
1418 }
72ce053b
IC
1419 SDL_LockMutex(is->subpq_mutex);
1420 while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1421 !is->subtitleq.abort_request) {
1422 SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1423 }
1424 SDL_UnlockMutex(is->subpq_mutex);
115329f1 1425
72ce053b
IC
1426 if (is->subtitleq.abort_request)
1427 goto the_end;
115329f1 1428
72ce053b
IC
1429 sp = &is->subpq[is->subpq_windex];
1430
1431 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1432 this packet, if any */
1433 pts = 0;
1434 if (pkt->pts != AV_NOPTS_VALUE)
1435 pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1436
115329f1
DB
1437 len1 = avcodec_decode_subtitle(is->subtitle_st->codec,
1438 &sp->sub, &got_subtitle,
72ce053b 1439 pkt->data, pkt->size);
72ce053b
IC
1440// if (len1 < 0)
1441// break;
1442 if (got_subtitle && sp->sub.format == 0) {
1443 sp->pts = pts;
115329f1 1444
72ce053b
IC
1445 for (i = 0; i < sp->sub.num_rects; i++)
1446 {
1447 for (j = 0; j < sp->sub.rects[i].nb_colors; j++)
1448 {
1449 RGBA_IN(r, g, b, a, sp->sub.rects[i].rgba_palette + j);
1450 y = RGB_TO_Y_CCIR(r, g, b);
1451 u = RGB_TO_U_CCIR(r, g, b, 0);
1452 v = RGB_TO_V_CCIR(r, g, b, 0);
1453 YUVA_OUT(sp->sub.rects[i].rgba_palette + j, y, u, v, a);
1454 }
1455 }
1456
1457 /* now we can update the picture count */
1458 if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1459 is->subpq_windex = 0;
1460 SDL_LockMutex(is->subpq_mutex);
1461 is->subpq_size++;
1462 SDL_UnlockMutex(is->subpq_mutex);
1463 }
1464 av_free_packet(pkt);
115329f1 1465// if (step)
72ce053b
IC
1466// if (cur_stream)
1467// stream_pause(cur_stream);
1468 }
1469 the_end:
1470 return 0;
1471}
1472
01310af2
FB
1473/* copy samples for viewing in editor window */
1474static void update_sample_display(VideoState *is, short *samples, int samples_size)
1475{
1476 int size, len, channels;
1477
01f4895c 1478 channels = is->audio_st->codec->channels;
01310af2
FB
1479
1480 size = samples_size / sizeof(short);
1481 while (size > 0) {
1482 len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1483 if (len > size)
1484 len = size;
1485 memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1486 samples += len;
1487 is->sample_array_index += len;
1488 if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1489 is->sample_array_index = 0;
1490 size -= len;
1491 }
1492}
1493
01310af2
FB
1494/* return the new audio buffer size (samples can be added or deleted
1495 to get better sync if video or external master clock) */
115329f1 1496static int synchronize_audio(VideoState *is, short *samples,
638c9d91 1497 int samples_size1, double pts)
01310af2 1498{
638c9d91 1499 int n, samples_size;
01310af2 1500 double ref_clock;
115329f1 1501
01f4895c 1502 n = 2 * is->audio_st->codec->channels;
638c9d91 1503 samples_size = samples_size1;
01310af2 1504
01310af2 1505 /* if not master, then we try to remove or add samples to correct the clock */
01310af2 1506 if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
638c9d91
FB
1507 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1508 double diff, avg_diff;
01310af2 1509 int wanted_size, min_size, max_size, nb_samples;
115329f1 1510
638c9d91
FB
1511 ref_clock = get_master_clock(is);
1512 diff = get_audio_clock(is) - ref_clock;
115329f1 1513
638c9d91
FB
1514 if (diff < AV_NOSYNC_THRESHOLD) {
1515 is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1516 if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1517 /* not enough measures to have a correct estimate */
1518 is->audio_diff_avg_count++;
1519 } else {
1520 /* estimate the A-V difference */
1521 avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1522
1523 if (fabs(avg_diff) >= is->audio_diff_threshold) {
01f4895c 1524 wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
638c9d91 1525 nb_samples = samples_size / n;
115329f1 1526
638c9d91
FB
1527 min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1528 max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1529 if (wanted_size < min_size)
1530 wanted_size = min_size;
1531 else if (wanted_size > max_size)
1532 wanted_size = max_size;
115329f1 1533
638c9d91
FB
1534 /* add or remove samples to correction the synchro */
1535 if (wanted_size < samples_size) {
1536 /* remove samples */
1537 samples_size = wanted_size;
1538 } else if (wanted_size > samples_size) {
1539 uint8_t *samples_end, *q;
1540 int nb;
115329f1 1541
638c9d91
FB
1542 /* add samples */
1543 nb = (samples_size - wanted_size);
1544 samples_end = (uint8_t *)samples + samples_size - n;
1545 q = samples_end + n;
1546 while (nb > 0) {
1547 memcpy(q, samples_end, n);
1548 q += n;
1549 nb -= n;
1550 }
1551 samples_size = wanted_size;
1552 }
1553 }
1554#if 0
115329f1
DB
1555 printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1556 diff, avg_diff, samples_size - samples_size1,
638c9d91
FB
1557 is->audio_clock, is->video_clock, is->audio_diff_threshold);
1558#endif
01310af2 1559 }
638c9d91
FB
1560 } else {
1561 /* too big difference : may be initial PTS errors, so
1562 reset A-V filter */
1563 is->audio_diff_avg_count = 0;
1564 is->audio_diff_cum = 0;
01310af2
FB
1565 }
1566 }
1567
01310af2
FB
1568 return samples_size;
1569}
1570
1571/* decode one audio frame and returns its uncompressed size */
07cbff39 1572static int audio_decode_frame(VideoState *is, uint8_t *audio_buf, int buf_size, double *pts_ptr)
01310af2
FB
1573{
1574 AVPacket *pkt = &is->audio_pkt;
72ea344b 1575 int n, len1, data_size;
01310af2
FB
1576 double pts;
1577
1578 for(;;) {
72ea344b 1579 /* NOTE: the audio packet can contain several frames */
01310af2 1580 while (is->audio_pkt_size > 0) {
07cbff39
LW
1581 data_size = buf_size;
1582 len1 = avcodec_decode_audio2(is->audio_st->codec,
115329f1 1583 (int16_t *)audio_buf, &data_size,
01310af2 1584 is->audio_pkt_data, is->audio_pkt_size);
72ea344b
FB
1585 if (len1 < 0) {
1586 /* if error, we skip the frame */
1587 is->audio_pkt_size = 0;
01310af2 1588 break;
72ea344b 1589 }
115329f1 1590
01310af2
FB
1591 is->audio_pkt_data += len1;
1592 is->audio_pkt_size -= len1;
72ea344b
FB
1593 if (data_size <= 0)
1594 continue;
1595 /* if no pts, then compute it */
1596 pts = is->audio_clock;
1597 *pts_ptr = pts;
01f4895c 1598 n = 2 * is->audio_st->codec->channels;
115329f1 1599 is->audio_clock += (double)data_size /
01f4895c 1600 (double)(n * is->audio_st->codec->sample_rate);
638c9d91 1601#if defined(DEBUG_SYNC)
72ea344b
FB
1602 {
1603 static double last_clock;
1604 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
1605 is->audio_clock - last_clock,
1606 is->audio_clock, pts);
1607 last_clock = is->audio_clock;
01310af2 1608 }
72ea344b
FB
1609#endif
1610 return data_size;
01310af2
FB
1611 }
1612
72ea344b
FB
1613 /* free the current packet */
1614 if (pkt->data)
01310af2 1615 av_free_packet(pkt);
115329f1 1616
72ea344b
FB
1617 if (is->paused || is->audioq.abort_request) {
1618 return -1;
1619 }
115329f1 1620
01310af2
FB
1621 /* read next packet */
1622 if (packet_queue_get(&is->audioq, pkt, 1) < 0)
1623 return -1;
39c6a118
MN
1624 if(pkt->data == flush_pkt.data){
1625 avcodec_flush_buffers(is->audio_st->codec);
1626 continue;
1627 }
1628
01310af2
FB
1629 is->audio_pkt_data = pkt->data;
1630 is->audio_pkt_size = pkt->size;
115329f1 1631
72ea344b
FB
1632 /* if update the audio clock with the pts */
1633 if (pkt->pts != AV_NOPTS_VALUE) {
c0df9d75 1634 is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
72ea344b 1635 }
01310af2
FB
1636 }
1637}
1638
638c9d91
FB
1639/* get the current audio output buffer size, in samples. With SDL, we
1640 cannot have a precise information */
1641static int audio_write_get_buf_size(VideoState *is)
01310af2 1642{
b09b580b 1643 return is->audio_buf_size - is->audio_buf_index;
01310af2
FB
1644}
1645
1646
1647/* prepare a new audio buffer */
358061f6 1648static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
01310af2
FB
1649{
1650 VideoState *is = opaque;
1651 int audio_size, len1;
1652 double pts;
1653
1654 audio_callback_time = av_gettime();
115329f1 1655
01310af2
FB
1656 while (len > 0) {
1657 if (is->audio_buf_index >= is->audio_buf_size) {
07cbff39 1658 audio_size = audio_decode_frame(is, is->audio_buf, sizeof(is->audio_buf), &pts);
01310af2
FB
1659 if (audio_size < 0) {
1660 /* if error, just output silence */
1661 is->audio_buf_size = 1024;
1662 memset(is->audio_buf, 0, is->audio_buf_size);
1663 } else {
1664 if (is->show_audio)
1665 update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
115329f1 1666 audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
01310af2
FB
1667 pts);
1668 is->audio_buf_size = audio_size;
1669 }
1670 is->audio_buf_index = 0;
1671 }
1672 len1 = is->audio_buf_size - is->audio_buf_index;
1673 if (len1 > len)
1674 len1 = len;
1675 memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
1676 len -= len1;
1677 stream += len1;
1678 is->audio_buf_index += len1;
1679 }
1680}
1681
01310af2
FB
1682/* open a given stream. Return 0 if OK */
1683static int stream_component_open(VideoState *is, int stream_index)
1684{
1685 AVFormatContext *ic = is->ic;
1686 AVCodecContext *enc;
1687 AVCodec *codec;
1688 SDL_AudioSpec wanted_spec, spec;
1689
1690 if (stream_index < 0 || stream_index >= ic->nb_streams)
1691 return -1;
01f4895c 1692 enc = ic->streams[stream_index]->codec;
115329f1 1693
01310af2
FB
1694 /* prepare audio output */
1695 if (enc->codec_type == CODEC_TYPE_AUDIO) {
51b73087
JR
1696 if (enc->channels > 0) {
1697 enc->request_channels = FFMIN(2, enc->channels);
94eadc8b 1698 } else {
51b73087 1699 enc->request_channels = 2;
638c9d91 1700 }
01310af2
FB
1701 }
1702
1703 codec = avcodec_find_decoder(enc->codec_id);
13d1512c
MN
1704 enc->debug_mv = debug_mv;
1705 enc->debug = debug;
6387c3e6 1706 enc->workaround_bugs = workaround_bugs;
178fcca8 1707 enc->lowres = lowres;
61846e9a 1708 if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
178fcca8 1709 enc->idct_algo= idct;
6fc5b059 1710 if(fast) enc->flags2 |= CODEC_FLAG2_FAST;
8c3eba7c
MN
1711 enc->skip_frame= skip_frame;
1712 enc->skip_idct= skip_idct;
1713 enc->skip_loop_filter= skip_loop_filter;
1b51e051
MN
1714 enc->error_resilience= error_resilience;
1715 enc->error_concealment= error_concealment;
01310af2
FB
1716 if (!codec ||
1717 avcodec_open(enc, codec) < 0)
1718 return -1;
51b73087
JR
1719
1720 /* prepare audio output */
1721 if (enc->codec_type == CODEC_TYPE_AUDIO) {
1722 wanted_spec.freq = enc->sample_rate;
1723 wanted_spec.format = AUDIO_S16SYS;
1724 wanted_spec.channels = enc->channels;
1725 wanted_spec.silence = 0;
1726 wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
1727 wanted_spec.callback = sdl_audio_callback;
1728 wanted_spec.userdata = is;
1729 if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
1730 fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
1731 return -1;
1732 }
1733 is->audio_hw_buf_size = spec.size;
1734 }
1735
c62c07d3
MN
1736 if(thread_count>1)
1737 avcodec_thread_init(enc, thread_count);
c62c07d3 1738 enc->thread_count= thread_count;
638c9d91 1739 switch(enc->codec_type) {
01310af2
FB
1740 case CODEC_TYPE_AUDIO:
1741 is->audio_stream = stream_index;
1742 is->audio_st = ic->streams[stream_index];
1743 is->audio_buf_size = 0;
1744 is->audio_buf_index = 0;
638c9d91
FB
1745
1746 /* init averaging filter */
1747 is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
1748 is->audio_diff_avg_count = 0;
1749 /* since we do not have a precise anough audio fifo fullness,
1750 we correct audio sync only if larger than this threshold */
1751 is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / enc->sample_rate;
1752
01310af2
FB
1753 memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
1754 packet_queue_init(&is->audioq);
bb270c08 1755 SDL_PauseAudio(0);
01310af2
FB
1756 break;
1757 case CODEC_TYPE_VIDEO:
1758 is->video_stream = stream_index;
1759 is->video_st = ic->streams[stream_index];
1760
638c9d91
FB
1761 is->frame_last_delay = 40e-3;
1762 is->frame_timer = (double)av_gettime() / 1000000.0;
638c9d91
FB
1763 is->video_current_pts_time = av_gettime();
1764
01310af2
FB
1765 packet_queue_init(&is->videoq);
1766 is->video_tid = SDL_CreateThread(video_thread, is);
5039185a
MN
1767
1768 enc-> get_buffer= my_get_buffer;
1769 enc->release_buffer= my_release_buffer;
01310af2 1770 break;
72ce053b
IC
1771 case CODEC_TYPE_SUBTITLE:
1772 is->subtitle_stream = stream_index;
1773 is->subtitle_st = ic->streams[stream_index];
1774 packet_queue_init(&is->subtitleq);
115329f1 1775
72ce053b
IC
1776 is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
1777 break;
01310af2
FB
1778 default:
1779 break;
1780 }
1781 return 0;
1782}
1783
1784static void stream_component_close(VideoState *is, int stream_index)
1785{
1786 AVFormatContext *ic = is->ic;
1787 AVCodecContext *enc;
115329f1 1788
72ce053b
IC
1789 if (stream_index < 0 || stream_index >= ic->nb_streams)
1790 return;
01f4895c 1791 enc = ic->streams[stream_index]->codec;
01310af2
FB
1792
1793 switch(enc->codec_type) {
1794 case CODEC_TYPE_AUDIO:
1795 packet_queue_abort(&is->audioq);
1796
1797 SDL_CloseAudio();
1798
1799 packet_queue_end(&is->audioq);
1800 break;
1801 case CODEC_TYPE_VIDEO:
1802 packet_queue_abort(&is->videoq);
1803
1804 /* note: we also signal this mutex to make sure we deblock the
1805 video thread in all cases */
1806 SDL_LockMutex(is->pictq_mutex);
1807 SDL_CondSignal(is->pictq_cond);
1808 SDL_UnlockMutex(is->pictq_mutex);
1809
1810 SDL_WaitThread(is->video_tid, NULL);
1811
1812 packet_queue_end(&is->videoq);
1813 break;
72ce053b
IC
1814 case CODEC_TYPE_SUBTITLE:
1815 packet_queue_abort(&is->subtitleq);
115329f1 1816
72ce053b
IC
1817 /* note: we also signal this mutex to make sure we deblock the
1818 video thread in all cases */
1819 SDL_LockMutex(is->subpq_mutex);
1820 is->subtitle_stream_changed = 1;
115329f1 1821
72ce053b
IC
1822 SDL_CondSignal(is->subpq_cond);
1823 SDL_UnlockMutex(is->subpq_mutex);
1824
1825 SDL_WaitThread(is->subtitle_tid, NULL);
1826
1827 packet_queue_end(&is->subtitleq);
1828 break;
01310af2
FB
1829 default:
1830 break;
1831 }
1832
1833 avcodec_close(enc);
1834 switch(enc->codec_type) {
1835 case CODEC_TYPE_AUDIO:
1836 is->audio_st = NULL;
1837 is->audio_stream = -1;
1838 break;
1839 case CODEC_TYPE_VIDEO:
1840 is->video_st = NULL;
1841 is->video_stream = -1;
1842 break;
72ce053b
IC
1843 case CODEC_TYPE_SUBTITLE:
1844 is->subtitle_st = NULL;
1845 is->subtitle_stream = -1;
1846 break;
01310af2
FB
1847 default:
1848 break;
1849 }
1850}
1851
7b49ce2e 1852static void dump_stream_info(const AVFormatContext *s)
d0526ecf
FB
1853{
1854 if (s->track != 0)
1855 fprintf(stderr, "Track: %d\n", s->track);
1856 if (s->title[0] != '\0')
1857 fprintf(stderr, "Title: %s\n", s->title);
1858 if (s->author[0] != '\0')
1859 fprintf(stderr, "Author: %s\n", s->author);
f0861f46
PI
1860 if (s->copyright[0] != '\0')
1861 fprintf(stderr, "Copyright: %s\n", s->copyright);
1862 if (s->comment[0] != '\0')
1863 fprintf(stderr, "Comment: %s\n", s->comment);
d0526ecf
FB
1864 if (s->album[0] != '\0')
1865 fprintf(stderr, "Album: %s\n", s->album);
1866 if (s->year != 0)
1867 fprintf(stderr, "Year: %d\n", s->year);
1868 if (s->genre[0] != '\0')
1869 fprintf(stderr, "Genre: %s\n", s->genre);
1870}
1871
416e3508
FB
1872/* since we have only one decoding thread, we can use a global
1873 variable instead of a thread local variable */
1874static VideoState *global_video_state;
1875
1876static int decode_interrupt_cb(void)
1877{
1878 return (global_video_state && global_video_state->abort_request);
1879}
01310af2
FB
1880
1881/* this thread gets the stream from the disk or the network */
1882static int decode_thread(void *arg)
1883{
1884 VideoState *is = arg;
1885 AVFormatContext *ic;
b2e6799b 1886 int err, i, ret, video_index, audio_index;
01310af2 1887 AVPacket pkt1, *pkt = &pkt1;
61890b02 1888 AVFormatParameters params, *ap = &params;
01310af2
FB
1889
1890 video_index = -1;
1891 audio_index = -1;
1892 is->video_stream = -1;
1893 is->audio_stream = -1;
72ce053b 1894 is->subtitle_stream = -1;
01310af2 1895
416e3508
FB
1896 global_video_state = is;
1897 url_set_interrupt_cb(decode_interrupt_cb);
1898
61890b02 1899 memset(ap, 0, sizeof(*ap));
115329f1 1900
e4b89522
LW
1901 ap->width = frame_width;
1902 ap->height= frame_height;
7e042912 1903 ap->time_base= (AVRational){1, 25};
e4b89522 1904 ap->pix_fmt = frame_pix_fmt;
7e042912 1905
61890b02 1906 err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
638c9d91
FB
1907 if (err < 0) {
1908 print_error(is->filename, err);
1909 ret = -1;
1910 goto fail;
1911 }
01310af2 1912 is->ic = ic;
30bc6613
MN
1913
1914 if(genpts)
1915 ic->flags |= AVFMT_FLAG_GENPTS;
1916
24c07998
LA
1917 err = av_find_stream_info(ic);
1918 if (err < 0) {
1919 fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
1920 ret = -1;
1921 goto fail;
1922 }
899681cd
BA
1923 if(ic->pb)
1924 ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
72ea344b
FB
1925
1926 /* if seeking requested, we execute it */
1927 if (start_time != AV_NOPTS_VALUE) {
1928 int64_t timestamp;
1929
1930 timestamp = start_time;
1931 /* add the stream start time */
1932 if (ic->start_time != AV_NOPTS_VALUE)
1933 timestamp += ic->start_time;
3ba1438d 1934 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
72ea344b 1935 if (ret < 0) {
115329f1 1936 fprintf(stderr, "%s: could not seek to position %0.3f\n",
72ea344b
FB
1937 is->filename, (double)timestamp / AV_TIME_BASE);
1938 }
1939 }
72ea344b 1940
01310af2 1941 for(i = 0; i < ic->nb_streams; i++) {
01f4895c 1942 AVCodecContext *enc = ic->streams[i]->codec;
01310af2
FB
1943 switch(enc->codec_type) {
1944 case CODEC_TYPE_AUDIO:
a8062103 1945 if ((audio_index < 0 || wanted_audio_stream-- > 0) && !audio_disable)
01310af2
FB
1946 audio_index = i;
1947 break;
1948 case CODEC_TYPE_VIDEO:
4d8243d3 1949 if ((video_index < 0 || wanted_video_stream-- > 0) && !video_disable)
01310af2
FB
1950 video_index = i;
1951 break;
1952 default:
1953 break;
1954 }
1955 }
1956 if (show_status) {
1957 dump_format(ic, 0, is->filename, 0);
d0526ecf 1958 dump_stream_info(ic);
01310af2
FB
1959 }
1960
1961 /* open the streams */
1962 if (audio_index >= 0) {
1963 stream_component_open(is, audio_index);
1964 }
1965
1966 if (video_index >= 0) {
1967 stream_component_open(is, video_index);
1968 } else {
1969 if (!display_disable)
1970 is->show_audio = 1;
1971 }
1972
1973 if (is->video_stream < 0 && is->audio_stream < 0) {
638c9d91
FB
1974 fprintf(stderr, "%s: could not open codecs\n", is->filename);
1975 ret = -1;
01310af2
FB
1976 goto fail;
1977 }
1978
1979 for(;;) {
1980 if (is->abort_request)
1981 break;
416e3508
FB
1982 if (is->paused != is->last_paused) {
1983 is->last_paused = is->paused;
72ea344b
FB
1984 if (is->paused)
1985 av_read_pause(ic);
1986 else
1987 av_read_play(ic);
416e3508 1988 }
c03af894
BA
1989#if defined(CONFIG_RTSP_DEMUXER) || defined(CONFIG_MMSH_PROTOCOL)
1990 if (is->paused &&
1991 (!strcmp(ic->iformat->name, "rtsp") ||
899681cd 1992 (ic->pb && !strcmp(url_fileno(ic->pb)->prot->name, "mmsh")))) {
416e3508
FB
1993 /* wait 10 ms to avoid trying to get another packet */
1994 /* XXX: horrible */
1995 SDL_Delay(10);
1996 continue;
1997 }
400738b1 1998#endif
72ea344b 1999 if (is->seek_req) {
8e606cc8
MN
2000 int stream_index= -1;
2001 int64_t seek_target= is->seek_pos;
2002
2003 if (is-> video_stream >= 0) stream_index= is-> video_stream;
2004 else if(is-> audio_stream >= 0) stream_index= is-> audio_stream;
2005 else if(is->subtitle_stream >= 0) stream_index= is->subtitle_stream;
2006
2007 if(stream_index>=0){
2008 seek_target= av_rescale_q(seek_target, AV_TIME_BASE_Q, ic->streams[stream_index]->time_base);
2009 }
2010
2011 ret = av_seek_frame(is->ic, stream_index, seek_target, is->seek_flags);
72ea344b
FB
2012 if (ret < 0) {
2013 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
e6c0297f
MN
2014 }else{
2015 if (is->audio_stream >= 0) {
2016 packet_queue_flush(&is->audioq);
39c6a118 2017 packet_queue_put(&is->audioq, &flush_pkt);
e6c0297f 2018 }
72ce053b
IC
2019 if (is->subtitle_stream >= 0) {
2020 packet_queue_flush(&is->subtitleq);
39c6a118 2021 packet_queue_put(&is->subtitleq, &flush_pkt);
72ce053b 2022 }
e6c0297f
MN
2023 if (is->video_stream >= 0) {
2024 packet_queue_flush(&is->videoq);
39c6a118 2025 packet_queue_put(&is->videoq, &flush_pkt);
e6c0297f 2026 }
72ea344b
FB
2027 }
2028 is->seek_req = 0;
2029 }
416e3508 2030
01310af2
FB
2031 /* if the queue are full, no need to read more */
2032 if (is->audioq.size > MAX_AUDIOQ_SIZE ||
115329f1
DB
2033 is->videoq.size > MAX_VIDEOQ_SIZE ||
2034 is->subtitleq.size > MAX_SUBTITLEQ_SIZE ||
899681cd 2035 url_feof(ic->pb)) {
01310af2
FB
2036 /* wait 10 ms */
2037 SDL_Delay(10);
2038 continue;
2039 }
72ea344b 2040 ret = av_read_frame(ic, pkt);
01310af2 2041 if (ret < 0) {
899681cd 2042 if (url_ferror(ic->pb) == 0) {
6e1f8725 2043 SDL_Delay(100); /* wait for user event */
bb270c08
DB
2044 continue;
2045 } else
2046 break;
01310af2
FB
2047 }
2048 if (pkt->stream_index == is->audio_stream) {
2049 packet_queue_put(&is->audioq, pkt);
2050 } else if (pkt->stream_index == is->video_stream) {
2051 packet_queue_put(&is->videoq, pkt);
72ce053b
IC
2052 } else if (pkt->stream_index == is->subtitle_stream) {
2053 packet_queue_put(&is->subtitleq, pkt);
01310af2
FB
2054 } else {
2055 av_free_packet(pkt);
2056 }
2057 }
2058 /* wait until the end */
2059 while (!is->abort_request) {
2060 SDL_Delay(100);
2061 }
2062
638c9d91 2063 ret = 0;
01310af2 2064 fail:
416e3508
FB
2065 /* disable interrupting */
2066 global_video_state = NULL;
2067
01310af2
FB
2068 /* close each stream */
2069 if (is->audio_stream >= 0)
2070 stream_component_close(is, is->audio_stream);
2071 if (is->video_stream >= 0)
2072 stream_component_close(is, is->video_stream);
72ce053b
IC
2073 if (is->subtitle_stream >= 0)
2074 stream_component_close(is, is->subtitle_stream);
638c9d91
FB
2075 if (is->ic) {
2076 av_close_input_file(is->ic);
2077 is->ic = NULL; /* safety */
2078 }
416e3508
FB
2079 url_set_interrupt_cb(NULL);
2080
638c9d91
FB
2081 if (ret != 0) {
2082 SDL_Event event;
115329f1 2083
638c9d91
FB
2084 event.type = FF_QUIT_EVENT;
2085 event.user.data1 = is;
2086 SDL_PushEvent(&event);
2087 }
01310af2
FB
2088 return 0;
2089}
2090
638c9d91 2091static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
01310af2
FB
2092{
2093 VideoState *is;
2094
2095 is = av_mallocz(sizeof(VideoState));
2096 if (!is)
2097 return NULL;
f7d78f36 2098 av_strlcpy(is->filename, filename, sizeof(is->filename));
638c9d91 2099 is->iformat = iformat;
01310af2
FB
2100 is->ytop = 0;
2101 is->xleft = 0;
2102
2103 /* start video display */
2104 is->pictq_mutex = SDL_CreateMutex();
2105 is->pictq_cond = SDL_CreateCond();
115329f1 2106
72ce053b
IC
2107 is->subpq_mutex = SDL_CreateMutex();
2108 is->subpq_cond = SDL_CreateCond();
115329f1 2109
01310af2
FB
2110 /* add the refresh timer to draw the picture */
2111 schedule_refresh(is, 40);
2112
638c9d91 2113 is->av_sync_type = av_sync_type;
01310af2
FB
2114 is->parse_tid = SDL_CreateThread(decode_thread, is);
2115 if (!is->parse_tid) {
2116 av_free(is);
2117 return NULL;
2118 }
2119 return is;
2120}
2121
2122static void stream_close(VideoState *is)
2123{
2124 VideoPicture *vp;
2125 int i;
2126 /* XXX: use a special url_shutdown call to abort parse cleanly */
2127 is->abort_request = 1;
2128 SDL_WaitThread(is->parse_tid, NULL);
2129
2130 /* free all pictures */
2131 for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
2132 vp = &is->pictq[i];
2133 if (vp->bmp) {
2134 SDL_FreeYUVOverlay(vp->bmp);
2135 vp->bmp = NULL;
2136 }
2137 }
2138 SDL_DestroyMutex(is->pictq_mutex);
2139 SDL_DestroyCond(is->pictq_cond);
72ce053b
IC
2140 SDL_DestroyMutex(is->subpq_mutex);
2141 SDL_DestroyCond(is->subpq_cond);
01310af2
FB
2142}
2143
7b49ce2e 2144static void stream_cycle_channel(VideoState *is, int codec_type)
638c9d91
FB
2145{
2146 AVFormatContext *ic = is->ic;
2147 int start_index, stream_index;
2148 AVStream *st;
2149
2150 if (codec_type == CODEC_TYPE_VIDEO)
2151 start_index = is->video_stream;
72ce053b 2152 else if (codec_type == CODEC_TYPE_AUDIO)
638c9d91 2153 start_index = is->audio_stream;
72ce053b
IC
2154 else
2155 start_index = is->subtitle_stream;
2156 if (start_index < (codec_type == CODEC_TYPE_SUBTITLE ? -1 : 0))
638c9d91
FB
2157 return;
2158 stream_index = start_index;
2159 for(;;) {
2160 if (++stream_index >= is->ic->nb_streams)
72ce053b
IC
2161 {
2162 if (codec_type == CODEC_TYPE_SUBTITLE)
2163 {
2164 stream_index = -1;
2165 goto the_end;
2166 } else
2167 stream_index = 0;
2168 }
638c9d91
FB
2169 if (stream_index == start_index)
2170 return;
2171 st = ic->streams[stream_index];
01f4895c 2172 if (st->codec->codec_type == codec_type) {
638c9d91
FB
2173 /* check that parameters are OK */
2174 switch(codec_type) {
2175 case CODEC_TYPE_AUDIO:
01f4895c
MN
2176 if (st->codec->sample_rate != 0 &&
2177 st->codec->channels != 0)
638c9d91
FB
2178 goto the_end;
2179 break;
2180 case CODEC_TYPE_VIDEO:
72ce053b 2181 case CODEC_TYPE_SUBTITLE:
638c9d91
FB
2182 goto the_end;
2183 default:
2184 break;
2185 }
2186 }
2187 }
2188 the_end:
2189 stream_component_close(is, start_index);
2190 stream_component_open(is, stream_index);
2191}
2192
2193
7b49ce2e 2194static void toggle_full_screen(void)
01310af2 2195{
01310af2 2196 is_full_screen = !is_full_screen;
29f3b38a
MR
2197 if (!fs_screen_width) {
2198 /* use default SDL method */
fb84155b 2199// SDL_WM_ToggleFullScreen(screen);
01310af2 2200 }
fb84155b 2201 video_open(cur_stream);
01310af2
FB
2202}
2203
7b49ce2e 2204static void toggle_pause(void)
01310af2
FB
2205{
2206 if (cur_stream)
2207 stream_pause(cur_stream);
bba04f1e
WH
2208 step = 0;
2209}
2210
7b49ce2e 2211static void step_to_next_frame(void)
bba04f1e
WH
2212{
2213 if (cur_stream) {
19cc524a 2214 /* if the stream is paused unpause it, then step */
bba04f1e 2215 if (cur_stream->paused)
19cc524a 2216 stream_pause(cur_stream);
bba04f1e
WH
2217 }
2218 step = 1;
01310af2
FB
2219}
2220
7b49ce2e 2221static void do_exit(void)
01310af2
FB
2222{
2223 if (cur_stream) {
2224 stream_close(cur_stream);
2225 cur_stream = NULL;
2226 }
2227 if (show_status)
2228 printf("\n");
2229 SDL_Quit();
2230 exit(0);
2231}
2232
7b49ce2e 2233static void toggle_audio_display(void)
01310af2
FB
2234{
2235 if (cur_stream) {
2236 cur_stream->show_audio = !cur_stream->show_audio;
2237 }
2238}
2239
2240/* handle an event sent by the GUI */
7b49ce2e 2241static void event_loop(void)
01310af2
FB
2242{
2243 SDL_Event event;
a11d11aa 2244 double incr, pos, frac;
01310af2
FB
2245
2246 for(;;) {
2247 SDL_WaitEvent(&event);
2248 switch(event.type) {
2249 case SDL_KEYDOWN:
2250 switch(event.key.keysym.sym) {
2251 case SDLK_ESCAPE:
2252 case SDLK_q:
2253 do_exit();
2254 break;
2255 case SDLK_f:
2256 toggle_full_screen();
2257 break;
2258 case SDLK_p:
2259 case SDLK_SPACE:
2260 toggle_pause();
2261 break;
bba04f1e
WH
2262 case SDLK_s: //S: Step to next frame
2263 step_to_next_frame();
2264 break;
01310af2 2265 case SDLK_a:
115329f1 2266 if (cur_stream)
638c9d91
FB
2267 stream_cycle_channel(cur_stream, CODEC_TYPE_AUDIO);
2268 break;
2269 case SDLK_v:
115329f1 2270 if (cur_stream)
638c9d91
FB
2271 stream_cycle_channel(cur_stream, CODEC_TYPE_VIDEO);
2272 break;
72ce053b 2273 case SDLK_t:
115329f1 2274 if (cur_stream)
72ce053b
IC
2275 stream_cycle_channel(cur_stream, CODEC_TYPE_SUBTITLE);
2276 break;
638c9d91 2277 case SDLK_w:
01310af2
FB
2278 toggle_audio_display();
2279 break;
72ea344b
FB
2280 case SDLK_LEFT:
2281 incr = -10.0;
2282 goto do_seek;
2283 case SDLK_RIGHT:
2284 incr = 10.0;
2285 goto do_seek;
2286 case SDLK_UP:
2287 incr = 60.0;
2288 goto do_seek;
2289 case SDLK_DOWN:
2290 incr = -60.0;
2291 do_seek:
2292 if (cur_stream) {
94b594c6 2293 if (seek_by_bytes) {
899681cd 2294 pos = url_ftell(cur_stream->ic->pb);
94b594c6
SH
2295 if (cur_stream->ic->bit_rate)
2296 incr *= cur_stream->ic->bit_rate / 60.0;
2297 else
2298 incr *= 180000.0;
2299 pos += incr;
2300 stream_seek(cur_stream, pos, incr);
2301 } else {
2302 pos = get_master_clock(cur_stream);
2303 pos += incr;
2304 stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr);
2305 }
72ea344b
FB
2306 }
2307 break;
01310af2
FB
2308 default:
2309 break;
2310 }
2311 break;
a11d11aa 2312 case SDL_MOUSEBUTTONDOWN:
bb270c08
DB
2313 if (cur_stream) {
2314 int ns, hh, mm, ss;
2315 int tns, thh, tmm, tss;
2316 tns = cur_stream->ic->duration/1000000LL;
2317 thh = tns/3600;
2318 tmm = (tns%3600)/60;
2319 tss = (tns%60);
2320 frac = (double)event.button.x/(double)cur_stream->width;
2321 ns = frac*tns;
2322 hh = ns/3600;
2323 mm = (ns%3600)/60;
2324 ss = (ns%60);
2325 fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
2326 hh, mm, ss, thh, tmm, tss);
2327 stream_seek(cur_stream, (int64_t)(cur_stream->ic->start_time+frac*cur_stream->ic->duration), 0);
2328 }
2329 break;
01310af2
FB
2330 case SDL_VIDEORESIZE:
2331 if (cur_stream) {
115329f1 2332 screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
01310af2 2333 SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
c57d3469
MN
2334 screen_width = cur_stream->width = event.resize.w;
2335 screen_height= cur_stream->height= event.resize.h;
01310af2
FB
2336 }
2337 break;
2338 case SDL_QUIT:
638c9d91 2339 case FF_QUIT_EVENT:
01310af2
FB
2340 do_exit();
2341 break;
2342 case FF_ALLOC_EVENT:
fccb19e3 2343 video_open(event.user.data1);
01310af2
FB
2344 alloc_picture(event.user.data1);
2345 break;
2346 case FF_REFRESH_EVENT:
2347 video_refresh_timer(event.user.data1);
2348 break;
2349 default:
2350 break;
2351 }
2352 }
2353}
2354
e4b89522
LW
2355static void opt_frame_size(const char *arg)
2356{
b33ece16 2357 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
e4b89522
LW
2358 fprintf(stderr, "Incorrect frame size\n");
2359 exit(1);
2360 }
2361 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2362 fprintf(stderr, "Frame size must be a multiple of 2\n");
2363 exit(1);
2364 }
2365}
2366
a5b3b5f6 2367static int opt_width(const char *opt, const char *arg)
01310af2 2368{
a5b3b5f6
SS
2369 screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2370 return 0;
01310af2
FB
2371}
2372
a5b3b5f6 2373static int opt_height(const char *opt, const char *arg)
01310af2 2374{
a5b3b5f6
SS
2375 screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2376 return 0;
01310af2
FB
2377}
2378
2379static void opt_format(const char *arg)
2380{
2381 file_iformat = av_find_input_format(arg);
2382 if (!file_iformat) {
2383 fprintf(stderr, "Unknown input format: %s\n", arg);
2384 exit(1);
2385 }
2386}
61890b02 2387
e4b89522
LW
2388static void opt_frame_pix_fmt(const char *arg)
2389{
2390 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2391}
2392
119e48d9 2393static void opt_sync(const char *arg)
638c9d91
FB
2394{
2395 if (!strcmp(arg, "audio"))
2396 av_sync_type = AV_SYNC_AUDIO_MASTER;
2397 else if (!strcmp(arg, "video"))
2398 av_sync_type = AV_SYNC_VIDEO_MASTER;
2399 else if (!strcmp(arg, "ext"))
2400 av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
aab1b7e5 2401 else {
638c9d91 2402 show_help();
aab1b7e5
SS
2403 exit(1);
2404 }
638c9d91
FB
2405}
2406
e11bc2c6 2407static int opt_seek(const char *opt, const char *arg)
72ea344b 2408{
e11bc2c6
SS
2409 start_time = parse_time_or_die(opt, arg, 1);
2410 return 0;
72ea344b
FB
2411}
2412
a5b3b5f6 2413static int opt_debug(const char *opt, const char *arg)
e26a8335 2414{
a309073b 2415 av_log_set_level(99);
a5b3b5f6
SS
2416 debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2417 return 0;
e26a8335 2418}
115329f1 2419
a5b3b5f6 2420static int opt_vismv(const char *opt, const char *arg)
0c9bbaec 2421{
a5b3b5f6
SS
2422 debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2423 return 0;
0c9bbaec 2424}
c62c07d3 2425
a5b3b5f6 2426static int opt_thread_count(const char *opt, const char *arg)
c62c07d3 2427{
a5b3b5f6 2428 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2450cff2 2429#if !defined(HAVE_THREADS)
c62c07d3
MN
2430 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2431#endif
a5b3b5f6 2432 return 0;
c62c07d3 2433}
115329f1 2434
aab1b7e5
SS
2435static void opt_show_help(void)
2436{
2437 show_help();
2438 exit(0);
2439}
2440
358061f6 2441static const OptionDef options[] = {
aab1b7e5 2442 { "h", 0, {(void*)opt_show_help}, "show help" },
a5b3b5f6
SS
2443 { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
2444 { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
e4b89522 2445 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
638c9d91 2446 { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
01310af2
FB
2447 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2448 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
a8062103 2449 { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_audio_stream}, "", "" },
4d8243d3 2450 { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_video_stream}, "", "" },
e11bc2c6 2451 { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
94b594c6 2452 { "bytes", OPT_BOOL, {(void*)&seek_by_bytes}, "seek by bytes" },
01310af2
FB
2453 { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
2454 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
e4b89522 2455 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
01310af2 2456 { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
a5b3b5f6 2457 { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
6387c3e6 2458 { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
a5b3b5f6 2459 { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
6fc5b059 2460 { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
30bc6613 2461 { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
5039185a 2462 { "drp", OPT_BOOL |OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts", ""},
178fcca8 2463 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
8c3eba7c
MN
2464 { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
2465 { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
2466 { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
178fcca8 2467 { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
1b51e051
MN
2468 { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_resilience}, "set error detection threshold (0-4)", "threshold" },
2469 { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
c62c07d3 2470 { "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
a5b3b5f6 2471 { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
01310af2
FB
2472 { NULL, },
2473};
2474
358061f6 2475static void show_help(void)
01310af2 2476{
9c5755ee 2477 printf("usage: ffplay [options] input_file\n"
01310af2
FB
2478 "Simple media player\n");
2479 printf("\n");
02d504a7
FB
2480 show_help_options(options, "Main options:\n",
2481 OPT_EXPERT, 0);
2482 show_help_options(options, "\nAdvanced options:\n",
2483 OPT_EXPERT, OPT_EXPERT);
01310af2
FB
2484 printf("\nWhile playing:\n"
2485 "q, ESC quit\n"
2486 "f toggle full screen\n"
2487 "p, SPC pause\n"
638c9d91
FB
2488 "a cycle audio channel\n"
2489 "v cycle video channel\n"
72ce053b 2490 "t cycle subtitle channel\n"
638c9d91 2491 "w show audio waves\n"
72ea344b
FB
2492 "left/right seek backward/forward 10 seconds\n"
2493 "down/up seek backward/forward 1 minute\n"
a11d11aa 2494 "mouse click seek to percentage in file corresponding to fraction of width\n"
01310af2 2495 );
01310af2
FB
2496}
2497
358061f6 2498static void opt_input_file(const char *filename)
01310af2 2499{
e8d83e1c 2500 if (!strcmp(filename, "-"))
9fcfc0b7 2501 filename = "pipe:";
01310af2
FB
2502 input_filename = filename;
2503}
2504
2505/* Called from the main */
2506int main(int argc, char **argv)
2507{
fccb19e3 2508 int flags;
115329f1 2509
01310af2 2510 /* register all codecs, demux and protocols */
c721d803
LA
2511 avcodec_register_all();
2512 avdevice_register_all();
01310af2
FB
2513 av_register_all();
2514
4cfac5bc
SS
2515 show_banner(program_name, program_birth_year);
2516
f5da5c93 2517 parse_options(argc, argv, options, opt_input_file);
01310af2 2518
aab1b7e5 2519 if (!input_filename) {
01310af2 2520 show_help();
aab1b7e5
SS
2521 exit(1);
2522 }
01310af2
FB
2523
2524 if (display_disable) {
2525 video_disable = 1;
2526 }
31319a8c 2527 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
c97f5402
DB
2528#if !defined(__MINGW32__) && !defined(__APPLE__)
2529 flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
31319a8c 2530#endif
01310af2 2531 if (SDL_Init (flags)) {
05ab0b76 2532 fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
01310af2
FB
2533 exit(1);
2534 }
2535
2536 if (!display_disable) {
29f3b38a 2537#ifdef HAVE_SDL_VIDEO_SIZE
3ef17d62
MR
2538 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2539 fs_screen_width = vi->current_w;
2540 fs_screen_height = vi->current_h;
29f3b38a 2541#endif
01310af2
FB
2542 }
2543
2544 SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
2545 SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
2546 SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
2547 SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
2548
39c6a118
MN
2549 av_init_packet(&flush_pkt);
2550 flush_pkt.data= "FLUSH";
2551
638c9d91 2552 cur_stream = stream_open(input_filename, file_iformat);
01310af2
FB
2553
2554 event_loop();
2555
2556 /* never returns */
2557
2558 return 0;
2559}