Move av_class to AVResampleContext instead of ReSampleContext.
[libav.git] / ffplay.c
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1/*
2 * FFplay : Simple Media Player based on the ffmpeg libraries
3 * Copyright (c) 2003 Fabrice Bellard
4 *
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5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
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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,
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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
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22#include <math.h>
23#include <limits.h>
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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"
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31
32#include "cmdutils.h"
33
34#include <SDL.h>
35#include <SDL_thread.h>
36
2f30a81d 37#ifdef __MINGW32__
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38#undef main /* We don't want SDL to override our main() */
39#endif
40
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41#undef exit
42
64555bd9 43const char program_name[] = "FFplay";
ea9c581f 44const int program_birth_year = 2003;
4cfac5bc 45
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46//#define DEBUG_SYNC
47
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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
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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
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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
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67/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
68#define SAMPLE_ARRAY_SIZE (2*65536)
69
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70static int sws_flags = SWS_BICUBIC;
71
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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
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83
84typedef struct VideoPicture {
267e9dfa 85 double pts; ///<presentation time stamp for this picture
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86 SDL_Overlay *bmp;
87 int width, height; /* source height & width */
88 int allocated;
89} VideoPicture;
90
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91typedef struct SubPicture {
92 double pts; /* presentation time stamp for this picture */
93 AVSubtitle sub;
94} SubPicture;
95
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96enum {
97 AV_SYNC_AUDIO_MASTER, /* default choice */
98 AV_SYNC_VIDEO_MASTER,
638c9d91 99 AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
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100};
101
102typedef struct VideoState {
103 SDL_Thread *parse_tid;
104 SDL_Thread *video_tid;
638c9d91 105 AVInputFormat *iformat;
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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;
4ed29207 113 int64_t seek_rel;
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114 AVFormatContext *ic;
115 int dtg_active_format;
116
117 int audio_stream;
115329f1 118
01310af2 119 int av_sync_type;
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120 double external_clock; /* external clock base */
121 int64_t external_clock_time;
115329f1 122
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123 double audio_clock;
124 double audio_diff_cum; /* used for AV difference average computation */
125 double audio_diff_avg_coef;
126 double audio_diff_threshold;
127 int audio_diff_avg_count;
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128 AVStream *audio_st;
129 PacketQueue audioq;
130 int audio_hw_buf_size;
131 /* samples output by the codec. we reserve more space for avsync
132 compensation */
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133 DECLARE_ALIGNED(16,uint8_t,audio_buf1[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2]);
134 DECLARE_ALIGNED(16,uint8_t,audio_buf2[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2]);
135 uint8_t *audio_buf;
7fea94ce 136 unsigned int audio_buf_size; /* in bytes */
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137 int audio_buf_index; /* in bytes */
138 AVPacket audio_pkt;
139 uint8_t *audio_pkt_data;
140 int audio_pkt_size;
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141 enum SampleFormat audio_src_fmt;
142 AVAudioConvert *reformat_ctx;
115329f1 143
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144 int show_audio; /* if true, display audio samples */
145 int16_t sample_array[SAMPLE_ARRAY_SIZE];
146 int sample_array_index;
5e0257e3 147 int last_i_start;
115329f1 148
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149 SDL_Thread *subtitle_tid;
150 int subtitle_stream;
151 int subtitle_stream_changed;
152 AVStream *subtitle_st;
153 PacketQueue subtitleq;
154 SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
155 int subpq_size, subpq_rindex, subpq_windex;
156 SDL_mutex *subpq_mutex;
157 SDL_cond *subpq_cond;
115329f1 158
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159 double frame_timer;
160 double frame_last_pts;
161 double frame_last_delay;
115329f1 162 double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame
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163 int video_stream;
164 AVStream *video_st;
165 PacketQueue videoq;
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166 double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
167 int64_t video_current_pts_time; ///<time (av_gettime) at which we updated video_current_pts - used to have running video pts
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168 VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
169 int pictq_size, pictq_rindex, pictq_windex;
170 SDL_mutex *pictq_mutex;
171 SDL_cond *pictq_cond;
115329f1 172
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173 // QETimer *video_timer;
174 char filename[1024];
175 int width, height, xleft, ytop;
176} VideoState;
177
358061f6 178static void show_help(void);
638c9d91 179static int audio_write_get_buf_size(VideoState *is);
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180
181/* options specified by the user */
182static AVInputFormat *file_iformat;
183static const char *input_filename;
184static int fs_screen_width;
185static int fs_screen_height;
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186static int screen_width = 0;
187static int screen_height = 0;
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188static int frame_width = 0;
189static int frame_height = 0;
190static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
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191static int audio_disable;
192static int video_disable;
a8062103 193static int wanted_audio_stream= 0;
4d8243d3 194static int wanted_video_stream= 0;
16a59a7b 195static int wanted_subtitle_stream= -1;
94b594c6 196static int seek_by_bytes;
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197static int display_disable;
198static int show_status;
638c9d91 199static int av_sync_type = AV_SYNC_AUDIO_MASTER;
72ea344b 200static int64_t start_time = AV_NOPTS_VALUE;
e26a8335 201static int debug = 0;
0c9bbaec 202static int debug_mv = 0;
bba04f1e 203static int step = 0;
c62c07d3 204static int thread_count = 1;
6387c3e6 205static int workaround_bugs = 1;
6fc5b059 206static int fast = 0;
30bc6613 207static int genpts = 0;
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208static int lowres = 0;
209static int idct = FF_IDCT_AUTO;
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210static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
211static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
212static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
047599a4 213static int error_recognition = FF_ER_CAREFUL;
1b51e051 214static int error_concealment = 3;
5039185a 215static int decoder_reorder_pts= 0;
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216
217/* current context */
218static int is_full_screen;
219static VideoState *cur_stream;
5e0257e3 220static int64_t audio_callback_time;
01310af2 221
2c676c33 222static AVPacket flush_pkt;
39c6a118 223
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224#define FF_ALLOC_EVENT (SDL_USEREVENT)
225#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
638c9d91 226#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
01310af2 227
2c676c33 228static SDL_Surface *screen;
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229
230/* packet queue handling */
231static void packet_queue_init(PacketQueue *q)
232{
233 memset(q, 0, sizeof(PacketQueue));
234 q->mutex = SDL_CreateMutex();
235 q->cond = SDL_CreateCond();
236}
237
72ea344b 238static void packet_queue_flush(PacketQueue *q)
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239{
240 AVPacketList *pkt, *pkt1;
241
687fae2b 242 SDL_LockMutex(q->mutex);
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243 for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
244 pkt1 = pkt->next;
245 av_free_packet(&pkt->pkt);
da6c4573 246 av_freep(&pkt);
01310af2 247 }
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248 q->last_pkt = NULL;
249 q->first_pkt = NULL;
250 q->nb_packets = 0;
251 q->size = 0;
687fae2b 252 SDL_UnlockMutex(q->mutex);
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253}
254
255static void packet_queue_end(PacketQueue *q)
256{
257 packet_queue_flush(q);
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258 SDL_DestroyMutex(q->mutex);
259 SDL_DestroyCond(q->cond);
260}
261
262static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
263{
264 AVPacketList *pkt1;
265
72ea344b 266 /* duplicate the packet */
39c6a118 267 if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
72ea344b 268 return -1;
115329f1 269
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270 pkt1 = av_malloc(sizeof(AVPacketList));
271 if (!pkt1)
272 return -1;
273 pkt1->pkt = *pkt;
274 pkt1->next = NULL;
275
72ea344b 276
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277 SDL_LockMutex(q->mutex);
278
279 if (!q->last_pkt)
280
281 q->first_pkt = pkt1;
282 else
283 q->last_pkt->next = pkt1;
284 q->last_pkt = pkt1;
285 q->nb_packets++;
7b776589 286 q->size += pkt1->pkt.size + sizeof(*pkt1);
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287 /* XXX: should duplicate packet data in DV case */
288 SDL_CondSignal(q->cond);
289
290 SDL_UnlockMutex(q->mutex);
291 return 0;
292}
293
294static void packet_queue_abort(PacketQueue *q)
295{
296 SDL_LockMutex(q->mutex);
297
298 q->abort_request = 1;
115329f1 299
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300 SDL_CondSignal(q->cond);
301
302 SDL_UnlockMutex(q->mutex);
303}
304
305/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
306static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
307{
308 AVPacketList *pkt1;
309 int ret;
310
311 SDL_LockMutex(q->mutex);
312
313 for(;;) {
314 if (q->abort_request) {
315 ret = -1;
316 break;
317 }
115329f1 318
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319 pkt1 = q->first_pkt;
320 if (pkt1) {
321 q->first_pkt = pkt1->next;
322 if (!q->first_pkt)
323 q->last_pkt = NULL;
324 q->nb_packets--;
7b776589 325 q->size -= pkt1->pkt.size + sizeof(*pkt1);
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326 *pkt = pkt1->pkt;
327 av_free(pkt1);
328 ret = 1;
329 break;
330 } else if (!block) {
331 ret = 0;
332 break;
333 } else {
334 SDL_CondWait(q->cond, q->mutex);
335 }
336 }
337 SDL_UnlockMutex(q->mutex);
338 return ret;
339}
340
115329f1 341static inline void fill_rectangle(SDL_Surface *screen,
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342 int x, int y, int w, int h, int color)
343{
344 SDL_Rect rect;
345 rect.x = x;
346 rect.y = y;
347 rect.w = w;
348 rect.h = h;
349 SDL_FillRect(screen, &rect, color);
350}
351
352#if 0
353/* draw only the border of a rectangle */
354void fill_border(VideoState *s, int x, int y, int w, int h, int color)
355{
356 int w1, w2, h1, h2;
357
358 /* fill the background */
359 w1 = x;
360 if (w1 < 0)
361 w1 = 0;
362 w2 = s->width - (x + w);
363 if (w2 < 0)
364 w2 = 0;
365 h1 = y;
366 if (h1 < 0)
367 h1 = 0;
368 h2 = s->height - (y + h);
369 if (h2 < 0)
370 h2 = 0;
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371 fill_rectangle(screen,
372 s->xleft, s->ytop,
373 w1, s->height,
01310af2 374 color);
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375 fill_rectangle(screen,
376 s->xleft + s->width - w2, s->ytop,
377 w2, s->height,
01310af2 378 color);
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379 fill_rectangle(screen,
380 s->xleft + w1, s->ytop,
381 s->width - w1 - w2, h1,
01310af2 382 color);
115329f1 383 fill_rectangle(screen,
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384 s->xleft + w1, s->ytop + s->height - h2,
385 s->width - w1 - w2, h2,
386 color);
387}
388#endif
389
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390
391
392#define SCALEBITS 10
393#define ONE_HALF (1 << (SCALEBITS - 1))
394#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
395
396#define RGB_TO_Y_CCIR(r, g, b) \
397((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \
398 FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
399
400#define RGB_TO_U_CCIR(r1, g1, b1, shift)\
401(((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \
402 FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
403
404#define RGB_TO_V_CCIR(r1, g1, b1, shift)\
405(((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
406 FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
407
408#define ALPHA_BLEND(a, oldp, newp, s)\
409((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
410
411#define RGBA_IN(r, g, b, a, s)\
412{\
413 unsigned int v = ((const uint32_t *)(s))[0];\
414 a = (v >> 24) & 0xff;\
415 r = (v >> 16) & 0xff;\
416 g = (v >> 8) & 0xff;\
417 b = v & 0xff;\
418}
419
420#define YUVA_IN(y, u, v, a, s, pal)\
421{\
57cf99f2 422 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
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423 a = (val >> 24) & 0xff;\
424 y = (val >> 16) & 0xff;\
425 u = (val >> 8) & 0xff;\
426 v = val & 0xff;\
427}
428
429#define YUVA_OUT(d, y, u, v, a)\
430{\
431 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
432}
433
434
435#define BPP 1
436
0a8cd696 437static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
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438{
439 int wrap, wrap3, width2, skip2;
440 int y, u, v, a, u1, v1, a1, w, h;
441 uint8_t *lum, *cb, *cr;
442 const uint8_t *p;
443 const uint32_t *pal;
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444 int dstx, dsty, dstw, dsth;
445
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446 dstw = av_clip(rect->w, 0, imgw);
447 dsth = av_clip(rect->h, 0, imgh);
448 dstx = av_clip(rect->x, 0, imgw - dstw);
449 dsty = av_clip(rect->y, 0, imgh - dsth);
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450 lum = dst->data[0] + dsty * dst->linesize[0];
451 cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
452 cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
453
f54b31b9 454 width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
9cb5a11e 455 skip2 = dstx >> 1;
72ce053b 456 wrap = dst->linesize[0];
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457 wrap3 = rect->pict.linesize[0];
458 p = rect->pict.data[0];
459 pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
115329f1 460
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461 if (dsty & 1) {
462 lum += dstx;
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463 cb += skip2;
464 cr += skip2;
115329f1 465
9cb5a11e 466 if (dstx & 1) {
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467 YUVA_IN(y, u, v, a, p, pal);
468 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
469 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
470 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
471 cb++;
472 cr++;
473 lum++;
474 p += BPP;
475 }
9cb5a11e 476 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
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477 YUVA_IN(y, u, v, a, p, pal);
478 u1 = u;
479 v1 = v;
480 a1 = a;
481 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
482
483 YUVA_IN(y, u, v, a, p + BPP, pal);
484 u1 += u;
485 v1 += v;
486 a1 += a;
487 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
488 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
489 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
490 cb++;
491 cr++;
492 p += 2 * BPP;
493 lum += 2;
494 }
495 if (w) {
496 YUVA_IN(y, u, v, a, p, pal);
497 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
498 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
499 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
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500 p++;
501 lum++;
72ce053b 502 }
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503 p += wrap3 - dstw * BPP;
504 lum += wrap - dstw - dstx;
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505 cb += dst->linesize[1] - width2 - skip2;
506 cr += dst->linesize[2] - width2 - skip2;
507 }
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508 for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
509 lum += dstx;
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510 cb += skip2;
511 cr += skip2;
115329f1 512
9cb5a11e 513 if (dstx & 1) {
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514 YUVA_IN(y, u, v, a, p, pal);
515 u1 = u;
516 v1 = v;
517 a1 = a;
518 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
519 p += wrap3;
520 lum += wrap;
521 YUVA_IN(y, u, v, a, p, pal);
522 u1 += u;
523 v1 += v;
524 a1 += a;
525 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
526 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
527 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
528 cb++;
529 cr++;
530 p += -wrap3 + BPP;
531 lum += -wrap + 1;
532 }
9cb5a11e 533 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
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534 YUVA_IN(y, u, v, a, p, pal);
535 u1 = u;
536 v1 = v;
537 a1 = a;
538 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
539
f8ca63e8 540 YUVA_IN(y, u, v, a, p + BPP, pal);
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541 u1 += u;
542 v1 += v;
543 a1 += a;
544 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
545 p += wrap3;
546 lum += wrap;
547
548 YUVA_IN(y, u, v, a, p, pal);
549 u1 += u;
550 v1 += v;
551 a1 += a;
552 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
553
f8ca63e8 554 YUVA_IN(y, u, v, a, p + BPP, pal);
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555 u1 += u;
556 v1 += v;
557 a1 += a;
558 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
559
560 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
561 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
562
563 cb++;
564 cr++;
565 p += -wrap3 + 2 * BPP;
566 lum += -wrap + 2;
567 }
568 if (w) {
569 YUVA_IN(y, u, v, a, p, pal);
570 u1 = u;
571 v1 = v;
572 a1 = a;
573 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
574 p += wrap3;
575 lum += wrap;
576 YUVA_IN(y, u, v, a, p, pal);
577 u1 += u;
578 v1 += v;
579 a1 += a;
580 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
581 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
582 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
583 cb++;
584 cr++;
585 p += -wrap3 + BPP;
586 lum += -wrap + 1;
587 }
9cb5a11e
RD
588 p += wrap3 + (wrap3 - dstw * BPP);
589 lum += wrap + (wrap - dstw - dstx);
72ce053b
IC
590 cb += dst->linesize[1] - width2 - skip2;
591 cr += dst->linesize[2] - width2 - skip2;
592 }
593 /* handle odd height */
594 if (h) {
9cb5a11e 595 lum += dstx;
72ce053b
IC
596 cb += skip2;
597 cr += skip2;
115329f1 598
9cb5a11e 599 if (dstx & 1) {
72ce053b
IC
600 YUVA_IN(y, u, v, a, p, pal);
601 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
602 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
603 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
604 cb++;
605 cr++;
606 lum++;
607 p += BPP;
608 }
9cb5a11e 609 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC
610 YUVA_IN(y, u, v, a, p, pal);
611 u1 = u;
612 v1 = v;
613 a1 = a;
614 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
615
616 YUVA_IN(y, u, v, a, p + BPP, pal);
617 u1 += u;
618 v1 += v;
619 a1 += a;
620 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
621 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
622 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
623 cb++;
624 cr++;
625 p += 2 * BPP;
626 lum += 2;
627 }
628 if (w) {
629 YUVA_IN(y, u, v, a, p, pal);
630 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
631 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
632 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
633 }
634 }
635}
636
637static void free_subpicture(SubPicture *sp)
638{
639 int i;
115329f1 640
72ce053b
IC
641 for (i = 0; i < sp->sub.num_rects; i++)
642 {
25b4c651
MN
643 av_freep(&sp->sub.rects[i]->pict.data[0]);
644 av_freep(&sp->sub.rects[i]->pict.data[1]);
db4fac64 645 av_freep(&sp->sub.rects[i]);
72ce053b 646 }
115329f1 647
72ce053b 648 av_free(sp->sub.rects);
115329f1 649
72ce053b
IC
650 memset(&sp->sub, 0, sizeof(AVSubtitle));
651}
652
01310af2
FB
653static void video_image_display(VideoState *is)
654{
655 VideoPicture *vp;
72ce053b
IC
656 SubPicture *sp;
657 AVPicture pict;
01310af2
FB
658 float aspect_ratio;
659 int width, height, x, y;
660 SDL_Rect rect;
72ce053b 661 int i;
01310af2
FB
662
663 vp = &is->pictq[is->pictq_rindex];
664 if (vp->bmp) {
665 /* XXX: use variable in the frame */
c30a4489
AJ
666 if (is->video_st->sample_aspect_ratio.num)
667 aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
668 else if (is->video_st->codec->sample_aspect_ratio.num)
669 aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
72ea344b 670 else
c30a4489 671 aspect_ratio = 0;
01310af2 672 if (aspect_ratio <= 0.0)
c30a4489
AJ
673 aspect_ratio = 1.0;
674 aspect_ratio *= (float)is->video_st->codec->width / is->video_st->codec->height;
01310af2
FB
675 /* if an active format is indicated, then it overrides the
676 mpeg format */
677#if 0
01f4895c
MN
678 if (is->video_st->codec->dtg_active_format != is->dtg_active_format) {
679 is->dtg_active_format = is->video_st->codec->dtg_active_format;
01310af2
FB
680 printf("dtg_active_format=%d\n", is->dtg_active_format);
681 }
682#endif
683#if 0
01f4895c 684 switch(is->video_st->codec->dtg_active_format) {
01310af2
FB
685 case FF_DTG_AFD_SAME:
686 default:
687 /* nothing to do */
688 break;
689 case FF_DTG_AFD_4_3:
690 aspect_ratio = 4.0 / 3.0;
691 break;
692 case FF_DTG_AFD_16_9:
693 aspect_ratio = 16.0 / 9.0;
694 break;
695 case FF_DTG_AFD_14_9:
696 aspect_ratio = 14.0 / 9.0;
697 break;
698 case FF_DTG_AFD_4_3_SP_14_9:
699 aspect_ratio = 14.0 / 9.0;
700 break;
701 case FF_DTG_AFD_16_9_SP_14_9:
702 aspect_ratio = 14.0 / 9.0;
703 break;
704 case FF_DTG_AFD_SP_4_3:
705 aspect_ratio = 4.0 / 3.0;
706 break;
707 }
708#endif
709
72ce053b
IC
710 if (is->subtitle_st)
711 {
712 if (is->subpq_size > 0)
713 {
714 sp = &is->subpq[is->subpq_rindex];
715
716 if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
717 {
718 SDL_LockYUVOverlay (vp->bmp);
719
720 pict.data[0] = vp->bmp->pixels[0];
721 pict.data[1] = vp->bmp->pixels[2];
722 pict.data[2] = vp->bmp->pixels[1];
723
724 pict.linesize[0] = vp->bmp->pitches[0];
725 pict.linesize[1] = vp->bmp->pitches[2];
726 pict.linesize[2] = vp->bmp->pitches[1];
727
728 for (i = 0; i < sp->sub.num_rects; i++)
db4fac64 729 blend_subrect(&pict, sp->sub.rects[i],
0a8cd696 730 vp->bmp->w, vp->bmp->h);
72ce053b
IC
731
732 SDL_UnlockYUVOverlay (vp->bmp);
733 }
734 }
735 }
736
737
01310af2
FB
738 /* XXX: we suppose the screen has a 1.0 pixel ratio */
739 height = is->height;
bb6c34e5 740 width = ((int)rint(height * aspect_ratio)) & ~1;
01310af2
FB
741 if (width > is->width) {
742 width = is->width;
bb6c34e5 743 height = ((int)rint(width / aspect_ratio)) & ~1;
01310af2
FB
744 }
745 x = (is->width - width) / 2;
746 y = (is->height - height) / 2;
747 if (!is->no_background) {
748 /* fill the background */
749 // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
750 } else {
751 is->no_background = 0;
752 }
753 rect.x = is->xleft + x;
2f6547fb 754 rect.y = is->ytop + y;
01310af2
FB
755 rect.w = width;
756 rect.h = height;
757 SDL_DisplayYUVOverlay(vp->bmp, &rect);
758 } else {
759#if 0
115329f1
DB
760 fill_rectangle(screen,
761 is->xleft, is->ytop, is->width, is->height,
01310af2
FB
762 QERGB(0x00, 0x00, 0x00));
763#endif
764 }
765}
766
767static inline int compute_mod(int a, int b)
768{
769 a = a % b;
115329f1 770 if (a >= 0)
01310af2
FB
771 return a;
772 else
773 return a + b;
774}
775
776static void video_audio_display(VideoState *s)
777{
778 int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
779 int ch, channels, h, h2, bgcolor, fgcolor;
780 int16_t time_diff;
115329f1 781
01310af2 782 /* compute display index : center on currently output samples */
01f4895c 783 channels = s->audio_st->codec->channels;
01310af2 784 nb_display_channels = channels;
5e0257e3
FB
785 if (!s->paused) {
786 n = 2 * channels;
787 delay = audio_write_get_buf_size(s);
788 delay /= n;
115329f1 789
5e0257e3
FB
790 /* to be more precise, we take into account the time spent since
791 the last buffer computation */
792 if (audio_callback_time) {
793 time_diff = av_gettime() - audio_callback_time;
01f4895c 794 delay += (time_diff * s->audio_st->codec->sample_rate) / 1000000;
5e0257e3 795 }
115329f1 796
5e0257e3
FB
797 delay -= s->width / 2;
798 if (delay < s->width)
799 delay = s->width;
ac50bcc8
MN
800
801 i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
802
803 h= INT_MIN;
804 for(i=0; i<1000; i+=channels){
805 int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
806 int a= s->sample_array[idx];
807 int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
808 int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
809 int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
810 int score= a-d;
811 if(h<score && (b^c)<0){
812 h= score;
813 i_start= idx;
814 }
815 }
816
5e0257e3
FB
817 s->last_i_start = i_start;
818 } else {
819 i_start = s->last_i_start;
01310af2
FB
820 }
821
01310af2 822 bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
115329f1
DB
823 fill_rectangle(screen,
824 s->xleft, s->ytop, s->width, s->height,
01310af2
FB
825 bgcolor);
826
827 fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
828
829 /* total height for one channel */
830 h = s->height / nb_display_channels;
831 /* graph height / 2 */
832 h2 = (h * 9) / 20;
833 for(ch = 0;ch < nb_display_channels; ch++) {
834 i = i_start + ch;
835 y1 = s->ytop + ch * h + (h / 2); /* position of center line */
836 for(x = 0; x < s->width; x++) {
837 y = (s->sample_array[i] * h2) >> 15;
838 if (y < 0) {
839 y = -y;
840 ys = y1 - y;
841 } else {
842 ys = y1;
843 }
115329f1
DB
844 fill_rectangle(screen,
845 s->xleft + x, ys, 1, y,
01310af2
FB
846 fgcolor);
847 i += channels;
848 if (i >= SAMPLE_ARRAY_SIZE)
849 i -= SAMPLE_ARRAY_SIZE;
850 }
851 }
852
853 fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
854
855 for(ch = 1;ch < nb_display_channels; ch++) {
856 y = s->ytop + ch * h;
115329f1
DB
857 fill_rectangle(screen,
858 s->xleft, y, s->width, 1,
01310af2
FB
859 fgcolor);
860 }
861 SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
862}
863
990c8438
MN
864static int video_open(VideoState *is){
865 int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
866 int w,h;
867
fb84155b
MN
868 if(is_full_screen) flags |= SDL_FULLSCREEN;
869 else flags |= SDL_RESIZABLE;
870
990c8438
MN
871 if (is_full_screen && fs_screen_width) {
872 w = fs_screen_width;
873 h = fs_screen_height;
fb84155b
MN
874 } else if(!is_full_screen && screen_width){
875 w = screen_width;
876 h = screen_height;
877 }else if (is->video_st && is->video_st->codec->width){
878 w = is->video_st->codec->width;
879 h = is->video_st->codec->height;
990c8438 880 } else {
fb84155b
MN
881 w = 640;
882 h = 480;
990c8438 883 }
c97f5402 884#ifndef __APPLE__
990c8438
MN
885 screen = SDL_SetVideoMode(w, h, 0, flags);
886#else
887 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
888 screen = SDL_SetVideoMode(w, h, 24, flags);
889#endif
890 if (!screen) {
891 fprintf(stderr, "SDL: could not set video mode - exiting\n");
892 return -1;
893 }
894 SDL_WM_SetCaption("FFplay", "FFplay");
895
896 is->width = screen->w;
897 is->height = screen->h;
898
899 return 0;
900}
8c982c5d 901
01310af2
FB
902/* display the current picture, if any */
903static void video_display(VideoState *is)
904{
8c982c5d
MN
905 if(!screen)
906 video_open(cur_stream);
115329f1 907 if (is->audio_st && is->show_audio)
01310af2
FB
908 video_audio_display(is);
909 else if (is->video_st)
910 video_image_display(is);
911}
912
913static Uint32 sdl_refresh_timer_cb(Uint32 interval, void *opaque)
914{
915 SDL_Event event;
916 event.type = FF_REFRESH_EVENT;
917 event.user.data1 = opaque;
918 SDL_PushEvent(&event);
919 return 0; /* 0 means stop timer */
920}
921
922/* schedule a video refresh in 'delay' ms */
923static void schedule_refresh(VideoState *is, int delay)
924{
cc1f91d7 925 if(!delay) delay=1; //SDL seems to be buggy when the delay is 0
01310af2
FB
926 SDL_AddTimer(delay, sdl_refresh_timer_cb, is);
927}
928
638c9d91
FB
929/* get the current audio clock value */
930static double get_audio_clock(VideoState *is)
931{
932 double pts;
933 int hw_buf_size, bytes_per_sec;
934 pts = is->audio_clock;
935 hw_buf_size = audio_write_get_buf_size(is);
936 bytes_per_sec = 0;
937 if (is->audio_st) {
115329f1 938 bytes_per_sec = is->audio_st->codec->sample_rate *
01f4895c 939 2 * is->audio_st->codec->channels;
638c9d91
FB
940 }
941 if (bytes_per_sec)
942 pts -= (double)hw_buf_size / bytes_per_sec;
943 return pts;
944}
945
946/* get the current video clock value */
947static double get_video_clock(VideoState *is)
948{
949 double delta;
04108619 950 if (is->paused) {
72ea344b
FB
951 delta = 0;
952 } else {
953 delta = (av_gettime() - is->video_current_pts_time) / 1000000.0;
954 }
638c9d91
FB
955 return is->video_current_pts + delta;
956}
957
958/* get the current external clock value */
959static double get_external_clock(VideoState *is)
960{
961 int64_t ti;
962 ti = av_gettime();
963 return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
964}
965
966/* get the current master clock value */
967static double get_master_clock(VideoState *is)
968{
969 double val;
970
72ea344b
FB
971 if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
972 if (is->video_st)
973 val = get_video_clock(is);
974 else
975 val = get_audio_clock(is);
976 } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
977 if (is->audio_st)
978 val = get_audio_clock(is);
979 else
980 val = get_video_clock(is);
981 } else {
638c9d91 982 val = get_external_clock(is);
72ea344b 983 }
638c9d91
FB
984 return val;
985}
986
72ea344b 987/* seek in the stream */
4ed29207 988static void stream_seek(VideoState *is, int64_t pos, int64_t rel)
72ea344b 989{
687fae2b
IW
990 if (!is->seek_req) {
991 is->seek_pos = pos;
4ed29207 992 is->seek_rel = rel;
94b594c6
SH
993 if (seek_by_bytes)
994 is->seek_flags |= AVSEEK_FLAG_BYTE;
687fae2b
IW
995 is->seek_req = 1;
996 }
72ea344b
FB
997}
998
999/* pause or resume the video */
1000static void stream_pause(VideoState *is)
1001{
1002 is->paused = !is->paused;
917fa192 1003 if (!is->paused) {
72ea344b 1004 is->video_current_pts = get_video_clock(is);
917fa192 1005 is->frame_timer += (av_gettime() - is->video_current_pts_time) / 1000000.0;
72ea344b
FB
1006 }
1007}
1008
49410784
TB
1009static double compute_frame_delay(double frame_current_pts, VideoState *is)
1010{
1011 double actual_delay, delay, sync_threshold, ref_clock, diff;
1012
1013 /* compute nominal delay */
1014 delay = frame_current_pts - is->frame_last_pts;
1015 if (delay <= 0 || delay >= 10.0) {
1016 /* if incorrect delay, use previous one */
1017 delay = is->frame_last_delay;
443658fd 1018 } else {
712de377 1019 is->frame_last_delay = delay;
443658fd 1020 }
49410784
TB
1021 is->frame_last_pts = frame_current_pts;
1022
1023 /* update delay to follow master synchronisation source */
1024 if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1025 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1026 /* if video is slave, we try to correct big delays by
1027 duplicating or deleting a frame */
1028 ref_clock = get_master_clock(is);
1029 diff = frame_current_pts - ref_clock;
1030
1031 /* skip or repeat frame. We take into account the
1032 delay to compute the threshold. I still don't know
1033 if it is the best guess */
1034 sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
1035 if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1036 if (diff <= -sync_threshold)
1037 delay = 0;
1038 else if (diff >= sync_threshold)
1039 delay = 2 * delay;
1040 }
1041 }
1042
1043 is->frame_timer += delay;
1044 /* compute the REAL delay (we need to do that to avoid
1045 long term errors */
1046 actual_delay = is->frame_timer - (av_gettime() / 1000000.0);
1047 if (actual_delay < 0.010) {
1048 /* XXX: should skip picture */
1049 actual_delay = 0.010;
1050 }
1051
eecc17a7
TB
1052#if defined(DEBUG_SYNC)
1053 printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1054 delay, actual_delay, frame_current_pts, -diff);
1055#endif
1056
49410784
TB
1057 return actual_delay;
1058}
1059
01310af2
FB
1060/* called to display each frame */
1061static void video_refresh_timer(void *opaque)
1062{
1063 VideoState *is = opaque;
1064 VideoPicture *vp;
638c9d91 1065
72ce053b 1066 SubPicture *sp, *sp2;
01310af2
FB
1067
1068 if (is->video_st) {
1069 if (is->pictq_size == 0) {
1070 /* if no picture, need to wait */
7e0140cb 1071 schedule_refresh(is, 1);
01310af2 1072 } else {
638c9d91 1073 /* dequeue the picture */
01310af2 1074 vp = &is->pictq[is->pictq_rindex];
638c9d91
FB
1075
1076 /* update current video pts */
1077 is->video_current_pts = vp->pts;
1078 is->video_current_pts_time = av_gettime();
1079
01310af2 1080 /* launch timer for next picture */
49410784 1081 schedule_refresh(is, (int)(compute_frame_delay(vp->pts, is) * 1000 + 0.5));
638c9d91 1082
72ce053b
IC
1083 if(is->subtitle_st) {
1084 if (is->subtitle_stream_changed) {
1085 SDL_LockMutex(is->subpq_mutex);
115329f1 1086
72ce053b
IC
1087 while (is->subpq_size) {
1088 free_subpicture(&is->subpq[is->subpq_rindex]);
115329f1 1089
72ce053b
IC
1090 /* update queue size and signal for next picture */
1091 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1092 is->subpq_rindex = 0;
115329f1 1093
72ce053b
IC
1094 is->subpq_size--;
1095 }
1096 is->subtitle_stream_changed = 0;
1097
1098 SDL_CondSignal(is->subpq_cond);
1099 SDL_UnlockMutex(is->subpq_mutex);
1100 } else {
1101 if (is->subpq_size > 0) {
1102 sp = &is->subpq[is->subpq_rindex];
1103
1104 if (is->subpq_size > 1)
1105 sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1106 else
1107 sp2 = NULL;
1108
1109 if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1110 || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1111 {
1112 free_subpicture(sp);
1113
1114 /* update queue size and signal for next picture */
1115 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1116 is->subpq_rindex = 0;
1117
1118 SDL_LockMutex(is->subpq_mutex);
1119 is->subpq_size--;
1120 SDL_CondSignal(is->subpq_cond);
1121 SDL_UnlockMutex(is->subpq_mutex);
1122 }
1123 }
1124 }
1125 }
1126
01310af2
FB
1127 /* display picture */
1128 video_display(is);
115329f1 1129
01310af2
FB
1130 /* update queue size and signal for next picture */
1131 if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1132 is->pictq_rindex = 0;
115329f1 1133
01310af2
FB
1134 SDL_LockMutex(is->pictq_mutex);
1135 is->pictq_size--;
1136 SDL_CondSignal(is->pictq_cond);
1137 SDL_UnlockMutex(is->pictq_mutex);
1138 }
1139 } else if (is->audio_st) {
1140 /* draw the next audio frame */
1141
1142 schedule_refresh(is, 40);
1143
1144 /* if only audio stream, then display the audio bars (better
1145 than nothing, just to test the implementation */
115329f1 1146
01310af2
FB
1147 /* display picture */
1148 video_display(is);
1149 } else {
1150 schedule_refresh(is, 100);
1151 }
1152 if (show_status) {
1153 static int64_t last_time;
1154 int64_t cur_time;
72ce053b 1155 int aqsize, vqsize, sqsize;
638c9d91 1156 double av_diff;
115329f1 1157
01310af2
FB
1158 cur_time = av_gettime();
1159 if (!last_time || (cur_time - last_time) >= 500 * 1000) {
1160 aqsize = 0;
1161 vqsize = 0;
72ce053b 1162 sqsize = 0;
01310af2
FB
1163 if (is->audio_st)
1164 aqsize = is->audioq.size;
1165 if (is->video_st)
1166 vqsize = is->videoq.size;
72ce053b
IC
1167 if (is->subtitle_st)
1168 sqsize = is->subtitleq.size;
638c9d91
FB
1169 av_diff = 0;
1170 if (is->audio_st && is->video_st)
1171 av_diff = get_audio_clock(is) - get_video_clock(is);
115329f1 1172 printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB \r",
72ce053b 1173 get_master_clock(is), av_diff, aqsize / 1024, vqsize / 1024, sqsize);
01310af2
FB
1174 fflush(stdout);
1175 last_time = cur_time;
1176 }
1177 }
1178}
1179
1180/* allocate a picture (needs to do that in main thread to avoid
1181 potential locking problems */
1182static void alloc_picture(void *opaque)
1183{
1184 VideoState *is = opaque;
1185 VideoPicture *vp;
01310af2
FB
1186
1187 vp = &is->pictq[is->pictq_windex];
1188
1189 if (vp->bmp)
1190 SDL_FreeYUVOverlay(vp->bmp);
1191
61890b02 1192#if 0
01310af2 1193 /* XXX: use generic function */
61890b02 1194 /* XXX: disable overlay if no hardware acceleration or if RGB format */
01f4895c 1195 switch(is->video_st->codec->pix_fmt) {
01310af2
FB
1196 case PIX_FMT_YUV420P:
1197 case PIX_FMT_YUV422P:
1198 case PIX_FMT_YUV444P:
71e445fc 1199 case PIX_FMT_YUYV422:
01310af2
FB
1200 case PIX_FMT_YUV410P:
1201 case PIX_FMT_YUV411P:
1202 is_yuv = 1;
1203 break;
1204 default:
1205 is_yuv = 0;
1206 break;
1207 }
01310af2 1208#endif
01f4895c
MN
1209 vp->bmp = SDL_CreateYUVOverlay(is->video_st->codec->width,
1210 is->video_st->codec->height,
115329f1 1211 SDL_YV12_OVERLAY,
61890b02 1212 screen);
01f4895c
MN
1213 vp->width = is->video_st->codec->width;
1214 vp->height = is->video_st->codec->height;
01310af2
FB
1215
1216 SDL_LockMutex(is->pictq_mutex);
1217 vp->allocated = 1;
1218 SDL_CondSignal(is->pictq_cond);
1219 SDL_UnlockMutex(is->pictq_mutex);
1220}
1221
267e9dfa
MN
1222/**
1223 *
1224 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1225 */
638c9d91 1226static int queue_picture(VideoState *is, AVFrame *src_frame, double pts)
01310af2
FB
1227{
1228 VideoPicture *vp;
1229 int dst_pix_fmt;
1230 AVPicture pict;
03ae87a3 1231 static struct SwsContext *img_convert_ctx;
115329f1 1232
01310af2
FB
1233 /* wait until we have space to put a new picture */
1234 SDL_LockMutex(is->pictq_mutex);
1235 while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1236 !is->videoq.abort_request) {
1237 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1238 }
1239 SDL_UnlockMutex(is->pictq_mutex);
115329f1 1240
01310af2
FB
1241 if (is->videoq.abort_request)
1242 return -1;
1243
1244 vp = &is->pictq[is->pictq_windex];
1245
1246 /* alloc or resize hardware picture buffer */
115329f1 1247 if (!vp->bmp ||
01f4895c
MN
1248 vp->width != is->video_st->codec->width ||
1249 vp->height != is->video_st->codec->height) {
01310af2
FB
1250 SDL_Event event;
1251
1252 vp->allocated = 0;
1253
1254 /* the allocation must be done in the main thread to avoid
1255 locking problems */
1256 event.type = FF_ALLOC_EVENT;
1257 event.user.data1 = is;
1258 SDL_PushEvent(&event);
115329f1 1259
01310af2
FB
1260 /* wait until the picture is allocated */
1261 SDL_LockMutex(is->pictq_mutex);
1262 while (!vp->allocated && !is->videoq.abort_request) {
1263 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1264 }
1265 SDL_UnlockMutex(is->pictq_mutex);
1266
1267 if (is->videoq.abort_request)
1268 return -1;
1269 }
1270
638c9d91 1271 /* if the frame is not skipped, then display it */
01310af2
FB
1272 if (vp->bmp) {
1273 /* get a pointer on the bitmap */
1274 SDL_LockYUVOverlay (vp->bmp);
1275
1276 dst_pix_fmt = PIX_FMT_YUV420P;
1277 pict.data[0] = vp->bmp->pixels[0];
1278 pict.data[1] = vp->bmp->pixels[2];
1279 pict.data[2] = vp->bmp->pixels[1];
1280
1281 pict.linesize[0] = vp->bmp->pitches[0];
1282 pict.linesize[1] = vp->bmp->pitches[2];
1283 pict.linesize[2] = vp->bmp->pitches[1];
e43d7a18 1284 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
feb7bc67
AB
1285 img_convert_ctx = sws_getCachedContext(img_convert_ctx,
1286 is->video_st->codec->width, is->video_st->codec->height,
1287 is->video_st->codec->pix_fmt,
1288 is->video_st->codec->width, is->video_st->codec->height,
1289 dst_pix_fmt, sws_flags, NULL, NULL, NULL);
26ba8235
AB
1290 if (img_convert_ctx == NULL) {
1291 fprintf(stderr, "Cannot initialize the conversion context\n");
1292 exit(1);
1293 }
03ae87a3
LA
1294 sws_scale(img_convert_ctx, src_frame->data, src_frame->linesize,
1295 0, is->video_st->codec->height, pict.data, pict.linesize);
01310af2
FB
1296 /* update the bitmap content */
1297 SDL_UnlockYUVOverlay(vp->bmp);
1298
638c9d91 1299 vp->pts = pts;
01310af2
FB
1300
1301 /* now we can update the picture count */
1302 if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1303 is->pictq_windex = 0;
1304 SDL_LockMutex(is->pictq_mutex);
1305 is->pictq_size++;
1306 SDL_UnlockMutex(is->pictq_mutex);
1307 }
638c9d91
FB
1308 return 0;
1309}
1310
115329f1
DB
1311/**
1312 * compute the exact PTS for the picture if it is omitted in the stream
267e9dfa
MN
1313 * @param pts1 the dts of the pkt / pts of the frame
1314 */
638c9d91
FB
1315static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1)
1316{
1317 double frame_delay, pts;
115329f1 1318
638c9d91
FB
1319 pts = pts1;
1320
01310af2 1321 if (pts != 0) {
638c9d91 1322 /* update video clock with pts, if present */
01310af2
FB
1323 is->video_clock = pts;
1324 } else {
72ea344b
FB
1325 pts = is->video_clock;
1326 }
1327 /* update video clock for next frame */
01f4895c 1328 frame_delay = av_q2d(is->video_st->codec->time_base);
72ea344b
FB
1329 /* for MPEG2, the frame can be repeated, so we update the
1330 clock accordingly */
267e9dfa 1331 frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
72ea344b 1332 is->video_clock += frame_delay;
638c9d91
FB
1333
1334#if defined(DEBUG_SYNC) && 0
1335 {
1336 int ftype;
1337 if (src_frame->pict_type == FF_B_TYPE)
1338 ftype = 'B';
1339 else if (src_frame->pict_type == FF_I_TYPE)
1340 ftype = 'I';
1341 else
1342 ftype = 'P';
115329f1 1343 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
72ea344b 1344 ftype, pts, pts1);
638c9d91
FB
1345 }
1346#endif
72ea344b 1347 return queue_picture(is, src_frame, pts);
01310af2
FB
1348}
1349
1350static int video_thread(void *arg)
1351{
1352 VideoState *is = arg;
1353 AVPacket pkt1, *pkt = &pkt1;
72ea344b 1354 int len1, got_picture;
c6b1edc9 1355 AVFrame *frame= avcodec_alloc_frame();
01310af2
FB
1356 double pts;
1357
1358 for(;;) {
1359 while (is->paused && !is->videoq.abort_request) {
1360 SDL_Delay(10);
1361 }
1362 if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1363 break;
39c6a118
MN
1364
1365 if(pkt->data == flush_pkt.data){
1366 avcodec_flush_buffers(is->video_st->codec);
1367 continue;
1368 }
1369
638c9d91
FB
1370 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1371 this packet, if any */
7fb262b5 1372 is->video_st->codec->reordered_opaque= pkt->pts;
620e8baf
MN
1373 len1 = avcodec_decode_video(is->video_st->codec,
1374 frame, &got_picture,
1375 pkt->data, pkt->size);
1376
1377 if( (decoder_reorder_pts || pkt->dts == AV_NOPTS_VALUE)
7fb262b5
MN
1378 && frame->reordered_opaque != AV_NOPTS_VALUE)
1379 pts= frame->reordered_opaque;
620e8baf
MN
1380 else if(pkt->dts != AV_NOPTS_VALUE)
1381 pts= pkt->dts;
1382 else
1383 pts= 0;
1384 pts *= av_q2d(is->video_st->time_base);
5039185a 1385
fb966f99
MN
1386// if (len1 < 0)
1387// break;
620e8baf
MN
1388 if (got_picture) {
1389 if (output_picture2(is, frame, pts) < 0)
1390 goto the_end;
1391 }
01310af2 1392 av_free_packet(pkt);
115329f1 1393 if (step)
bba04f1e
WH
1394 if (cur_stream)
1395 stream_pause(cur_stream);
01310af2
FB
1396 }
1397 the_end:
c6b1edc9 1398 av_free(frame);
01310af2
FB
1399 return 0;
1400}
1401
72ce053b
IC
1402static int subtitle_thread(void *arg)
1403{
1404 VideoState *is = arg;
1405 SubPicture *sp;
1406 AVPacket pkt1, *pkt = &pkt1;
1407 int len1, got_subtitle;
1408 double pts;
1409 int i, j;
1410 int r, g, b, y, u, v, a;
1411
1412 for(;;) {
1413 while (is->paused && !is->subtitleq.abort_request) {
1414 SDL_Delay(10);
1415 }
1416 if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1417 break;
115329f1 1418
39c6a118
MN
1419 if(pkt->data == flush_pkt.data){
1420 avcodec_flush_buffers(is->subtitle_st->codec);
1421 continue;
1422 }
72ce053b
IC
1423 SDL_LockMutex(is->subpq_mutex);
1424 while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1425 !is->subtitleq.abort_request) {
1426 SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1427 }
1428 SDL_UnlockMutex(is->subpq_mutex);
115329f1 1429
72ce053b
IC
1430 if (is->subtitleq.abort_request)
1431 goto the_end;
115329f1 1432
72ce053b
IC
1433 sp = &is->subpq[is->subpq_windex];
1434
1435 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1436 this packet, if any */
1437 pts = 0;
1438 if (pkt->pts != AV_NOPTS_VALUE)
1439 pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1440
115329f1
DB
1441 len1 = avcodec_decode_subtitle(is->subtitle_st->codec,
1442 &sp->sub, &got_subtitle,
72ce053b 1443 pkt->data, pkt->size);
72ce053b
IC
1444// if (len1 < 0)
1445// break;
1446 if (got_subtitle && sp->sub.format == 0) {
1447 sp->pts = pts;
115329f1 1448
72ce053b
IC
1449 for (i = 0; i < sp->sub.num_rects; i++)
1450 {
db4fac64 1451 for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
72ce053b 1452 {
25b4c651 1453 RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
72ce053b
IC
1454 y = RGB_TO_Y_CCIR(r, g, b);
1455 u = RGB_TO_U_CCIR(r, g, b, 0);
1456 v = RGB_TO_V_CCIR(r, g, b, 0);
25b4c651 1457 YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
72ce053b
IC
1458 }
1459 }
1460
1461 /* now we can update the picture count */
1462 if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1463 is->subpq_windex = 0;
1464 SDL_LockMutex(is->subpq_mutex);
1465 is->subpq_size++;
1466 SDL_UnlockMutex(is->subpq_mutex);
1467 }
1468 av_free_packet(pkt);
115329f1 1469// if (step)
72ce053b
IC
1470// if (cur_stream)
1471// stream_pause(cur_stream);
1472 }
1473 the_end:
1474 return 0;
1475}
1476
01310af2
FB
1477/* copy samples for viewing in editor window */
1478static void update_sample_display(VideoState *is, short *samples, int samples_size)
1479{
1480 int size, len, channels;
1481
01f4895c 1482 channels = is->audio_st->codec->channels;
01310af2
FB
1483
1484 size = samples_size / sizeof(short);
1485 while (size > 0) {
1486 len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1487 if (len > size)
1488 len = size;
1489 memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1490 samples += len;
1491 is->sample_array_index += len;
1492 if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1493 is->sample_array_index = 0;
1494 size -= len;
1495 }
1496}
1497
01310af2
FB
1498/* return the new audio buffer size (samples can be added or deleted
1499 to get better sync if video or external master clock) */
115329f1 1500static int synchronize_audio(VideoState *is, short *samples,
638c9d91 1501 int samples_size1, double pts)
01310af2 1502{
638c9d91 1503 int n, samples_size;
01310af2 1504 double ref_clock;
115329f1 1505
01f4895c 1506 n = 2 * is->audio_st->codec->channels;
638c9d91 1507 samples_size = samples_size1;
01310af2 1508
01310af2 1509 /* if not master, then we try to remove or add samples to correct the clock */
01310af2 1510 if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
638c9d91
FB
1511 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1512 double diff, avg_diff;
01310af2 1513 int wanted_size, min_size, max_size, nb_samples;
115329f1 1514
638c9d91
FB
1515 ref_clock = get_master_clock(is);
1516 diff = get_audio_clock(is) - ref_clock;
115329f1 1517
638c9d91
FB
1518 if (diff < AV_NOSYNC_THRESHOLD) {
1519 is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1520 if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1521 /* not enough measures to have a correct estimate */
1522 is->audio_diff_avg_count++;
1523 } else {
1524 /* estimate the A-V difference */
1525 avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1526
1527 if (fabs(avg_diff) >= is->audio_diff_threshold) {
01f4895c 1528 wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
638c9d91 1529 nb_samples = samples_size / n;
115329f1 1530
638c9d91
FB
1531 min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1532 max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1533 if (wanted_size < min_size)
1534 wanted_size = min_size;
1535 else if (wanted_size > max_size)
1536 wanted_size = max_size;
115329f1 1537
638c9d91
FB
1538 /* add or remove samples to correction the synchro */
1539 if (wanted_size < samples_size) {
1540 /* remove samples */
1541 samples_size = wanted_size;
1542 } else if (wanted_size > samples_size) {
1543 uint8_t *samples_end, *q;
1544 int nb;
115329f1 1545
638c9d91
FB
1546 /* add samples */
1547 nb = (samples_size - wanted_size);
1548 samples_end = (uint8_t *)samples + samples_size - n;
1549 q = samples_end + n;
1550 while (nb > 0) {
1551 memcpy(q, samples_end, n);
1552 q += n;
1553 nb -= n;
1554 }
1555 samples_size = wanted_size;
1556 }
1557 }
1558#if 0
115329f1
DB
1559 printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1560 diff, avg_diff, samples_size - samples_size1,
638c9d91
FB
1561 is->audio_clock, is->video_clock, is->audio_diff_threshold);
1562#endif
01310af2 1563 }
638c9d91
FB
1564 } else {
1565 /* too big difference : may be initial PTS errors, so
1566 reset A-V filter */
1567 is->audio_diff_avg_count = 0;
1568 is->audio_diff_cum = 0;
01310af2
FB
1569 }
1570 }
1571
01310af2
FB
1572 return samples_size;
1573}
1574
1575/* decode one audio frame and returns its uncompressed size */
5a4476e2 1576static int audio_decode_frame(VideoState *is, double *pts_ptr)
01310af2
FB
1577{
1578 AVPacket *pkt = &is->audio_pkt;
abdff646 1579 AVCodecContext *dec= is->audio_st->codec;
72ea344b 1580 int n, len1, data_size;
01310af2
FB
1581 double pts;
1582
1583 for(;;) {
72ea344b 1584 /* NOTE: the audio packet can contain several frames */
01310af2 1585 while (is->audio_pkt_size > 0) {
5a4476e2 1586 data_size = sizeof(is->audio_buf1);
abdff646 1587 len1 = avcodec_decode_audio2(dec,
5a4476e2 1588 (int16_t *)is->audio_buf1, &data_size,
01310af2 1589 is->audio_pkt_data, is->audio_pkt_size);
72ea344b
FB
1590 if (len1 < 0) {
1591 /* if error, we skip the frame */
1592 is->audio_pkt_size = 0;
01310af2 1593 break;
72ea344b 1594 }
115329f1 1595
01310af2
FB
1596 is->audio_pkt_data += len1;
1597 is->audio_pkt_size -= len1;
72ea344b
FB
1598 if (data_size <= 0)
1599 continue;
5a4476e2
PR
1600
1601 if (dec->sample_fmt != is->audio_src_fmt) {
1602 if (is->reformat_ctx)
1603 av_audio_convert_free(is->reformat_ctx);
1604 is->reformat_ctx= av_audio_convert_alloc(SAMPLE_FMT_S16, 1,
1605 dec->sample_fmt, 1, NULL, 0);
1606 if (!is->reformat_ctx) {
1607 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
1608 avcodec_get_sample_fmt_name(dec->sample_fmt),
1609 avcodec_get_sample_fmt_name(SAMPLE_FMT_S16));
1610 break;
1611 }
1612 is->audio_src_fmt= dec->sample_fmt;
1613 }
1614
1615 if (is->reformat_ctx) {
1616 const void *ibuf[6]= {is->audio_buf1};
1617 void *obuf[6]= {is->audio_buf2};
1618 int istride[6]= {av_get_bits_per_sample_format(dec->sample_fmt)/8};
1619 int ostride[6]= {2};
1620 int len= data_size/istride[0];
1621 if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
1622 printf("av_audio_convert() failed\n");
1623 break;
1624 }
1625 is->audio_buf= is->audio_buf2;
1626 /* FIXME: existing code assume that data_size equals framesize*channels*2
1627 remove this legacy cruft */
1628 data_size= len*2;
1629 }else{
1630 is->audio_buf= is->audio_buf1;
1631 }
1632
72ea344b
FB
1633 /* if no pts, then compute it */
1634 pts = is->audio_clock;
1635 *pts_ptr = pts;
abdff646 1636 n = 2 * dec->channels;
115329f1 1637 is->audio_clock += (double)data_size /
abdff646 1638 (double)(n * dec->sample_rate);
638c9d91 1639#if defined(DEBUG_SYNC)
72ea344b
FB
1640 {
1641 static double last_clock;
1642 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
1643 is->audio_clock - last_clock,
1644 is->audio_clock, pts);
1645 last_clock = is->audio_clock;
01310af2 1646 }
72ea344b
FB
1647#endif
1648 return data_size;
01310af2
FB
1649 }
1650
72ea344b
FB
1651 /* free the current packet */
1652 if (pkt->data)
01310af2 1653 av_free_packet(pkt);
115329f1 1654
72ea344b
FB
1655 if (is->paused || is->audioq.abort_request) {
1656 return -1;
1657 }
115329f1 1658
01310af2
FB
1659 /* read next packet */
1660 if (packet_queue_get(&is->audioq, pkt, 1) < 0)
1661 return -1;
39c6a118 1662 if(pkt->data == flush_pkt.data){
abdff646 1663 avcodec_flush_buffers(dec);
39c6a118
MN
1664 continue;
1665 }
1666
01310af2
FB
1667 is->audio_pkt_data = pkt->data;
1668 is->audio_pkt_size = pkt->size;
115329f1 1669
72ea344b
FB
1670 /* if update the audio clock with the pts */
1671 if (pkt->pts != AV_NOPTS_VALUE) {
c0df9d75 1672 is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
72ea344b 1673 }
01310af2
FB
1674 }
1675}
1676
638c9d91
FB
1677/* get the current audio output buffer size, in samples. With SDL, we
1678 cannot have a precise information */
1679static int audio_write_get_buf_size(VideoState *is)
01310af2 1680{
b09b580b 1681 return is->audio_buf_size - is->audio_buf_index;
01310af2
FB
1682}
1683
1684
1685/* prepare a new audio buffer */
358061f6 1686static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
01310af2
FB
1687{
1688 VideoState *is = opaque;
1689 int audio_size, len1;
1690 double pts;
1691
1692 audio_callback_time = av_gettime();
115329f1 1693
01310af2
FB
1694 while (len > 0) {
1695 if (is->audio_buf_index >= is->audio_buf_size) {
5a4476e2 1696 audio_size = audio_decode_frame(is, &pts);
01310af2
FB
1697 if (audio_size < 0) {
1698 /* if error, just output silence */
1a1078fa 1699 is->audio_buf = is->audio_buf1;
01310af2
FB
1700 is->audio_buf_size = 1024;
1701 memset(is->audio_buf, 0, is->audio_buf_size);
1702 } else {
1703 if (is->show_audio)
1704 update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
115329f1 1705 audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
01310af2
FB
1706 pts);
1707 is->audio_buf_size = audio_size;
1708 }
1709 is->audio_buf_index = 0;
1710 }
1711 len1 = is->audio_buf_size - is->audio_buf_index;
1712 if (len1 > len)
1713 len1 = len;
1714 memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
1715 len -= len1;
1716 stream += len1;
1717 is->audio_buf_index += len1;
1718 }
1719}
1720
01310af2
FB
1721/* open a given stream. Return 0 if OK */
1722static int stream_component_open(VideoState *is, int stream_index)
1723{
1724 AVFormatContext *ic = is->ic;
1725 AVCodecContext *enc;
1726 AVCodec *codec;
1727 SDL_AudioSpec wanted_spec, spec;
1728
1729 if (stream_index < 0 || stream_index >= ic->nb_streams)
1730 return -1;
01f4895c 1731 enc = ic->streams[stream_index]->codec;
115329f1 1732
01310af2
FB
1733 /* prepare audio output */
1734 if (enc->codec_type == CODEC_TYPE_AUDIO) {
51b73087
JR
1735 if (enc->channels > 0) {
1736 enc->request_channels = FFMIN(2, enc->channels);
94eadc8b 1737 } else {
51b73087 1738 enc->request_channels = 2;
638c9d91 1739 }
01310af2
FB
1740 }
1741
1742 codec = avcodec_find_decoder(enc->codec_id);
13d1512c
MN
1743 enc->debug_mv = debug_mv;
1744 enc->debug = debug;
6387c3e6 1745 enc->workaround_bugs = workaround_bugs;
178fcca8 1746 enc->lowres = lowres;
61846e9a 1747 if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
178fcca8 1748 enc->idct_algo= idct;
6fc5b059 1749 if(fast) enc->flags2 |= CODEC_FLAG2_FAST;
8c3eba7c
MN
1750 enc->skip_frame= skip_frame;
1751 enc->skip_idct= skip_idct;
1752 enc->skip_loop_filter= skip_loop_filter;
047599a4 1753 enc->error_recognition= error_recognition;
1b51e051 1754 enc->error_concealment= error_concealment;
e43d7a18 1755
636f1c4c 1756 set_context_opts(enc, avcodec_opts[enc->codec_type], 0);
e43d7a18 1757
01310af2
FB
1758 if (!codec ||
1759 avcodec_open(enc, codec) < 0)
1760 return -1;
51b73087
JR
1761
1762 /* prepare audio output */
1763 if (enc->codec_type == CODEC_TYPE_AUDIO) {
1764 wanted_spec.freq = enc->sample_rate;
1765 wanted_spec.format = AUDIO_S16SYS;
1766 wanted_spec.channels = enc->channels;
1767 wanted_spec.silence = 0;
1768 wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
1769 wanted_spec.callback = sdl_audio_callback;
1770 wanted_spec.userdata = is;
1771 if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
1772 fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
1773 return -1;
1774 }
1775 is->audio_hw_buf_size = spec.size;
5a4476e2 1776 is->audio_src_fmt= SAMPLE_FMT_S16;
51b73087
JR
1777 }
1778
c62c07d3
MN
1779 if(thread_count>1)
1780 avcodec_thread_init(enc, thread_count);
c62c07d3 1781 enc->thread_count= thread_count;
3f3fe38d 1782 ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
638c9d91 1783 switch(enc->codec_type) {
01310af2
FB
1784 case CODEC_TYPE_AUDIO:
1785 is->audio_stream = stream_index;
1786 is->audio_st = ic->streams[stream_index];
1787 is->audio_buf_size = 0;
1788 is->audio_buf_index = 0;
638c9d91
FB
1789
1790 /* init averaging filter */
1791 is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
1792 is->audio_diff_avg_count = 0;
1793 /* since we do not have a precise anough audio fifo fullness,
1794 we correct audio sync only if larger than this threshold */
1795 is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / enc->sample_rate;
1796
01310af2
FB
1797 memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
1798 packet_queue_init(&is->audioq);
bb270c08 1799 SDL_PauseAudio(0);
01310af2
FB
1800 break;
1801 case CODEC_TYPE_VIDEO:
1802 is->video_stream = stream_index;
1803 is->video_st = ic->streams[stream_index];
1804
638c9d91
FB
1805 is->frame_last_delay = 40e-3;
1806 is->frame_timer = (double)av_gettime() / 1000000.0;
638c9d91
FB
1807 is->video_current_pts_time = av_gettime();
1808
01310af2
FB
1809 packet_queue_init(&is->videoq);
1810 is->video_tid = SDL_CreateThread(video_thread, is);
1811 break;
72ce053b
IC
1812 case CODEC_TYPE_SUBTITLE:
1813 is->subtitle_stream = stream_index;
1814 is->subtitle_st = ic->streams[stream_index];
1815 packet_queue_init(&is->subtitleq);
115329f1 1816
72ce053b
IC
1817 is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
1818 break;
01310af2
FB
1819 default:
1820 break;
1821 }
1822 return 0;
1823}
1824
1825static void stream_component_close(VideoState *is, int stream_index)
1826{
1827 AVFormatContext *ic = is->ic;
1828 AVCodecContext *enc;
115329f1 1829
72ce053b
IC
1830 if (stream_index < 0 || stream_index >= ic->nb_streams)
1831 return;
01f4895c 1832 enc = ic->streams[stream_index]->codec;
01310af2
FB
1833
1834 switch(enc->codec_type) {
1835 case CODEC_TYPE_AUDIO:
1836 packet_queue_abort(&is->audioq);
1837
1838 SDL_CloseAudio();
1839
1840 packet_queue_end(&is->audioq);
5a4476e2
PR
1841 if (is->reformat_ctx)
1842 av_audio_convert_free(is->reformat_ctx);
01310af2
FB
1843 break;
1844 case CODEC_TYPE_VIDEO:
1845 packet_queue_abort(&is->videoq);
1846
1847 /* note: we also signal this mutex to make sure we deblock the
1848 video thread in all cases */
1849 SDL_LockMutex(is->pictq_mutex);
1850 SDL_CondSignal(is->pictq_cond);
1851 SDL_UnlockMutex(is->pictq_mutex);
1852
1853 SDL_WaitThread(is->video_tid, NULL);
1854
1855 packet_queue_end(&is->videoq);
1856 break;
72ce053b
IC
1857 case CODEC_TYPE_SUBTITLE:
1858 packet_queue_abort(&is->subtitleq);
115329f1 1859
72ce053b
IC
1860 /* note: we also signal this mutex to make sure we deblock the
1861 video thread in all cases */
1862 SDL_LockMutex(is->subpq_mutex);
1863 is->subtitle_stream_changed = 1;
115329f1 1864
72ce053b
IC
1865 SDL_CondSignal(is->subpq_cond);
1866 SDL_UnlockMutex(is->subpq_mutex);
1867
1868 SDL_WaitThread(is->subtitle_tid, NULL);
1869
1870 packet_queue_end(&is->subtitleq);
1871 break;
01310af2
FB
1872 default:
1873 break;
1874 }
1875
3f3fe38d 1876 ic->streams[stream_index]->discard = AVDISCARD_ALL;
01310af2
FB
1877 avcodec_close(enc);
1878 switch(enc->codec_type) {
1879 case CODEC_TYPE_AUDIO:
1880 is->audio_st = NULL;
1881 is->audio_stream = -1;
1882 break;
1883 case CODEC_TYPE_VIDEO:
1884 is->video_st = NULL;
1885 is->video_stream = -1;
1886 break;
72ce053b
IC
1887 case CODEC_TYPE_SUBTITLE:
1888 is->subtitle_st = NULL;
1889 is->subtitle_stream = -1;
1890 break;
01310af2
FB
1891 default:
1892 break;
1893 }
1894}
1895
7b49ce2e 1896static void dump_stream_info(const AVFormatContext *s)
d0526ecf 1897{
f7554a99
AJ
1898 AVMetadataTag *tag = NULL;
1899 while ((tag=av_metadata_get(s->metadata,"",tag,AV_METADATA_IGNORE_SUFFIX)))
1900 fprintf(stderr, "%s: %s\n", tag->key, tag->value);
d0526ecf
FB
1901}
1902
416e3508
FB
1903/* since we have only one decoding thread, we can use a global
1904 variable instead of a thread local variable */
1905static VideoState *global_video_state;
1906
1907static int decode_interrupt_cb(void)
1908{
1909 return (global_video_state && global_video_state->abort_request);
1910}
01310af2
FB
1911
1912/* this thread gets the stream from the disk or the network */
1913static int decode_thread(void *arg)
1914{
1915 VideoState *is = arg;
1916 AVFormatContext *ic;
16a59a7b 1917 int err, i, ret, video_index, audio_index, subtitle_index;
01310af2 1918 AVPacket pkt1, *pkt = &pkt1;
61890b02 1919 AVFormatParameters params, *ap = &params;
01310af2
FB
1920
1921 video_index = -1;
1922 audio_index = -1;
16a59a7b 1923 subtitle_index = -1;
01310af2
FB
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;
4ed29207 1966 ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
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:
5dbb63fe 1978 if (wanted_audio_stream-- >= 0 && !audio_disable)
01310af2
FB
1979 audio_index = i;
1980 break;
1981 case CODEC_TYPE_VIDEO:
5dbb63fe 1982 if (wanted_video_stream-- >= 0 && !video_disable)
01310af2
FB
1983 video_index = i;
1984 break;
16a59a7b 1985 case CODEC_TYPE_SUBTITLE:
5ad4f0d4 1986 if (wanted_subtitle_stream-- >= 0 && !video_disable)
16a59a7b
BA
1987 subtitle_index = i;
1988 break;
01310af2
FB
1989 default:
1990 break;
1991 }
1992 }
1993 if (show_status) {
1994 dump_format(ic, 0, is->filename, 0);
d0526ecf 1995 dump_stream_info(ic);
01310af2
FB
1996 }
1997
1998 /* open the streams */
1999 if (audio_index >= 0) {
2000 stream_component_open(is, audio_index);
2001 }
2002
2003 if (video_index >= 0) {
2004 stream_component_open(is, video_index);
2005 } else {
2006 if (!display_disable)
2007 is->show_audio = 1;
2008 }
2009
16a59a7b
BA
2010 if (subtitle_index >= 0) {
2011 stream_component_open(is, subtitle_index);
2012 }
2013
01310af2 2014 if (is->video_stream < 0 && is->audio_stream < 0) {
638c9d91
FB
2015 fprintf(stderr, "%s: could not open codecs\n", is->filename);
2016 ret = -1;
01310af2
FB
2017 goto fail;
2018 }
2019
2020 for(;;) {
2021 if (is->abort_request)
2022 break;
416e3508
FB
2023 if (is->paused != is->last_paused) {
2024 is->last_paused = is->paused;
72ea344b
FB
2025 if (is->paused)
2026 av_read_pause(ic);
2027 else
2028 av_read_play(ic);
416e3508 2029 }
2f642393
AJ
2030#if CONFIG_RTSP_DEMUXER
2031 if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
416e3508
FB
2032 /* wait 10 ms to avoid trying to get another packet */
2033 /* XXX: horrible */
2034 SDL_Delay(10);
2035 continue;
2036 }
400738b1 2037#endif
72ea344b 2038 if (is->seek_req) {
8e606cc8 2039 int64_t seek_target= is->seek_pos;
4ed29207
MN
2040 int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2041 int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2042//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2043// of the seek_pos/seek_rel variables
8e606cc8 2044
4ed29207 2045 ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
72ea344b
FB
2046 if (ret < 0) {
2047 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
e6c0297f
MN
2048 }else{
2049 if (is->audio_stream >= 0) {
2050 packet_queue_flush(&is->audioq);
39c6a118 2051 packet_queue_put(&is->audioq, &flush_pkt);
e6c0297f 2052 }
72ce053b
IC
2053 if (is->subtitle_stream >= 0) {
2054 packet_queue_flush(&is->subtitleq);
39c6a118 2055 packet_queue_put(&is->subtitleq, &flush_pkt);
72ce053b 2056 }
e6c0297f
MN
2057 if (is->video_stream >= 0) {
2058 packet_queue_flush(&is->videoq);
39c6a118 2059 packet_queue_put(&is->videoq, &flush_pkt);
e6c0297f 2060 }
72ea344b
FB
2061 }
2062 is->seek_req = 0;
2063 }
416e3508 2064
01310af2
FB
2065 /* if the queue are full, no need to read more */
2066 if (is->audioq.size > MAX_AUDIOQ_SIZE ||
115329f1 2067 is->videoq.size > MAX_VIDEOQ_SIZE ||
600a331c 2068 is->subtitleq.size > MAX_SUBTITLEQ_SIZE) {
01310af2
FB
2069 /* wait 10 ms */
2070 SDL_Delay(10);
2071 continue;
2072 }
600a331c
MN
2073 if(url_feof(ic->pb)) {
2074 av_init_packet(pkt);
973c68cb 2075 pkt->data=NULL;
600a331c
MN
2076 pkt->size=0;
2077 pkt->stream_index= is->video_stream;
2078 packet_queue_put(&is->videoq, pkt);
2079 continue;
2080 }
72ea344b 2081 ret = av_read_frame(ic, pkt);
01310af2 2082 if (ret < 0) {
edf9b2f0 2083 if (ret != AVERROR_EOF && url_ferror(ic->pb) == 0) {
6e1f8725 2084 SDL_Delay(100); /* wait for user event */
bb270c08
DB
2085 continue;
2086 } else
2087 break;
01310af2
FB
2088 }
2089 if (pkt->stream_index == is->audio_stream) {
2090 packet_queue_put(&is->audioq, pkt);
2091 } else if (pkt->stream_index == is->video_stream) {
2092 packet_queue_put(&is->videoq, pkt);
72ce053b
IC
2093 } else if (pkt->stream_index == is->subtitle_stream) {
2094 packet_queue_put(&is->subtitleq, pkt);
01310af2
FB
2095 } else {
2096 av_free_packet(pkt);
2097 }
2098 }
2099 /* wait until the end */
2100 while (!is->abort_request) {
2101 SDL_Delay(100);
2102 }
2103
638c9d91 2104 ret = 0;
01310af2 2105 fail:
416e3508
FB
2106 /* disable interrupting */
2107 global_video_state = NULL;
2108
01310af2
FB
2109 /* close each stream */
2110 if (is->audio_stream >= 0)
2111 stream_component_close(is, is->audio_stream);
2112 if (is->video_stream >= 0)
2113 stream_component_close(is, is->video_stream);
72ce053b
IC
2114 if (is->subtitle_stream >= 0)
2115 stream_component_close(is, is->subtitle_stream);
638c9d91
FB
2116 if (is->ic) {
2117 av_close_input_file(is->ic);
2118 is->ic = NULL; /* safety */
2119 }
416e3508
FB
2120 url_set_interrupt_cb(NULL);
2121
638c9d91
FB
2122 if (ret != 0) {
2123 SDL_Event event;
115329f1 2124
638c9d91
FB
2125 event.type = FF_QUIT_EVENT;
2126 event.user.data1 = is;
2127 SDL_PushEvent(&event);
2128 }
01310af2
FB
2129 return 0;
2130}
2131
638c9d91 2132static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
01310af2
FB
2133{
2134 VideoState *is;
2135
2136 is = av_mallocz(sizeof(VideoState));
2137 if (!is)
2138 return NULL;
f7d78f36 2139 av_strlcpy(is->filename, filename, sizeof(is->filename));
638c9d91 2140 is->iformat = iformat;
01310af2
FB
2141 is->ytop = 0;
2142 is->xleft = 0;
2143
2144 /* start video display */
2145 is->pictq_mutex = SDL_CreateMutex();
2146 is->pictq_cond = SDL_CreateCond();
115329f1 2147
72ce053b
IC
2148 is->subpq_mutex = SDL_CreateMutex();
2149 is->subpq_cond = SDL_CreateCond();
115329f1 2150
01310af2
FB
2151 /* add the refresh timer to draw the picture */
2152 schedule_refresh(is, 40);
2153
638c9d91 2154 is->av_sync_type = av_sync_type;
01310af2
FB
2155 is->parse_tid = SDL_CreateThread(decode_thread, is);
2156 if (!is->parse_tid) {
2157 av_free(is);
2158 return NULL;
2159 }
2160 return is;
2161}
2162
2163static void stream_close(VideoState *is)
2164{
2165 VideoPicture *vp;
2166 int i;
2167 /* XXX: use a special url_shutdown call to abort parse cleanly */
2168 is->abort_request = 1;
2169 SDL_WaitThread(is->parse_tid, NULL);
2170
2171 /* free all pictures */
2172 for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
2173 vp = &is->pictq[i];
2174 if (vp->bmp) {
2175 SDL_FreeYUVOverlay(vp->bmp);
2176 vp->bmp = NULL;
2177 }
2178 }
2179 SDL_DestroyMutex(is->pictq_mutex);
2180 SDL_DestroyCond(is->pictq_cond);
72ce053b
IC
2181 SDL_DestroyMutex(is->subpq_mutex);
2182 SDL_DestroyCond(is->subpq_cond);
01310af2
FB
2183}
2184
7b49ce2e 2185static void stream_cycle_channel(VideoState *is, int codec_type)
638c9d91
FB
2186{
2187 AVFormatContext *ic = is->ic;
2188 int start_index, stream_index;
2189 AVStream *st;
2190
2191 if (codec_type == CODEC_TYPE_VIDEO)
2192 start_index = is->video_stream;
72ce053b 2193 else if (codec_type == CODEC_TYPE_AUDIO)
638c9d91 2194 start_index = is->audio_stream;
72ce053b
IC
2195 else
2196 start_index = is->subtitle_stream;
2197 if (start_index < (codec_type == CODEC_TYPE_SUBTITLE ? -1 : 0))
638c9d91
FB
2198 return;
2199 stream_index = start_index;
2200 for(;;) {
2201 if (++stream_index >= is->ic->nb_streams)
72ce053b
IC
2202 {
2203 if (codec_type == CODEC_TYPE_SUBTITLE)
2204 {
2205 stream_index = -1;
2206 goto the_end;
2207 } else
2208 stream_index = 0;
2209 }
638c9d91
FB
2210 if (stream_index == start_index)
2211 return;
2212 st = ic->streams[stream_index];
01f4895c 2213 if (st->codec->codec_type == codec_type) {
638c9d91
FB
2214 /* check that parameters are OK */
2215 switch(codec_type) {
2216 case CODEC_TYPE_AUDIO:
01f4895c
MN
2217 if (st->codec->sample_rate != 0 &&
2218 st->codec->channels != 0)
638c9d91
FB
2219 goto the_end;
2220 break;
2221 case CODEC_TYPE_VIDEO:
72ce053b 2222 case CODEC_TYPE_SUBTITLE:
638c9d91
FB
2223 goto the_end;
2224 default:
2225 break;
2226 }
2227 }
2228 }
2229 the_end:
2230 stream_component_close(is, start_index);
2231 stream_component_open(is, stream_index);
2232}
2233
2234
7b49ce2e 2235static void toggle_full_screen(void)
01310af2 2236{
01310af2 2237 is_full_screen = !is_full_screen;
29f3b38a
MR
2238 if (!fs_screen_width) {
2239 /* use default SDL method */
fb84155b 2240// SDL_WM_ToggleFullScreen(screen);
01310af2 2241 }
fb84155b 2242 video_open(cur_stream);
01310af2
FB
2243}
2244
7b49ce2e 2245static void toggle_pause(void)
01310af2
FB
2246{
2247 if (cur_stream)
2248 stream_pause(cur_stream);
bba04f1e
WH
2249 step = 0;
2250}
2251
7b49ce2e 2252static void step_to_next_frame(void)
bba04f1e
WH
2253{
2254 if (cur_stream) {
19cc524a 2255 /* if the stream is paused unpause it, then step */
bba04f1e 2256 if (cur_stream->paused)
19cc524a 2257 stream_pause(cur_stream);
bba04f1e
WH
2258 }
2259 step = 1;
01310af2
FB
2260}
2261
7b49ce2e 2262static void do_exit(void)
01310af2
FB
2263{
2264 if (cur_stream) {
2265 stream_close(cur_stream);
2266 cur_stream = NULL;
2267 }
2268 if (show_status)
2269 printf("\n");
2270 SDL_Quit();
2271 exit(0);
2272}
2273
7b49ce2e 2274static void toggle_audio_display(void)
01310af2
FB
2275{
2276 if (cur_stream) {
2277 cur_stream->show_audio = !cur_stream->show_audio;
2278 }
2279}
2280
2281/* handle an event sent by the GUI */
7b49ce2e 2282static void event_loop(void)
01310af2
FB
2283{
2284 SDL_Event event;
a11d11aa 2285 double incr, pos, frac;
01310af2
FB
2286
2287 for(;;) {
2288 SDL_WaitEvent(&event);
2289 switch(event.type) {
2290 case SDL_KEYDOWN:
2291 switch(event.key.keysym.sym) {
2292 case SDLK_ESCAPE:
2293 case SDLK_q:
2294 do_exit();
2295 break;
2296 case SDLK_f:
2297 toggle_full_screen();
2298 break;
2299 case SDLK_p:
2300 case SDLK_SPACE:
2301 toggle_pause();
2302 break;
bba04f1e
WH
2303 case SDLK_s: //S: Step to next frame
2304 step_to_next_frame();
2305 break;
01310af2 2306 case SDLK_a:
115329f1 2307 if (cur_stream)
638c9d91
FB
2308 stream_cycle_channel(cur_stream, CODEC_TYPE_AUDIO);
2309 break;
2310 case SDLK_v:
115329f1 2311 if (cur_stream)
638c9d91
FB
2312 stream_cycle_channel(cur_stream, CODEC_TYPE_VIDEO);
2313 break;
72ce053b 2314 case SDLK_t:
115329f1 2315 if (cur_stream)
72ce053b
IC
2316 stream_cycle_channel(cur_stream, CODEC_TYPE_SUBTITLE);
2317 break;
638c9d91 2318 case SDLK_w:
01310af2
FB
2319 toggle_audio_display();
2320 break;
72ea344b
FB
2321 case SDLK_LEFT:
2322 incr = -10.0;
2323 goto do_seek;
2324 case SDLK_RIGHT:
2325 incr = 10.0;
2326 goto do_seek;
2327 case SDLK_UP:
2328 incr = 60.0;
2329 goto do_seek;
2330 case SDLK_DOWN:
2331 incr = -60.0;
2332 do_seek:
2333 if (cur_stream) {
94b594c6 2334 if (seek_by_bytes) {
899681cd 2335 pos = url_ftell(cur_stream->ic->pb);
94b594c6
SH
2336 if (cur_stream->ic->bit_rate)
2337 incr *= cur_stream->ic->bit_rate / 60.0;
2338 else
2339 incr *= 180000.0;
2340 pos += incr;
2341 stream_seek(cur_stream, pos, incr);
2342 } else {
2343 pos = get_master_clock(cur_stream);
2344 pos += incr;
4ed29207 2345 stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE));
94b594c6 2346 }
72ea344b
FB
2347 }
2348 break;
01310af2
FB
2349 default:
2350 break;
2351 }
2352 break;
a11d11aa 2353 case SDL_MOUSEBUTTONDOWN:
bb270c08
DB
2354 if (cur_stream) {
2355 int ns, hh, mm, ss;
2356 int tns, thh, tmm, tss;
2357 tns = cur_stream->ic->duration/1000000LL;
2358 thh = tns/3600;
2359 tmm = (tns%3600)/60;
2360 tss = (tns%60);
2361 frac = (double)event.button.x/(double)cur_stream->width;
2362 ns = frac*tns;
2363 hh = ns/3600;
2364 mm = (ns%3600)/60;
2365 ss = (ns%60);
2366 fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
2367 hh, mm, ss, thh, tmm, tss);
2368 stream_seek(cur_stream, (int64_t)(cur_stream->ic->start_time+frac*cur_stream->ic->duration), 0);
2369 }
2370 break;
01310af2
FB
2371 case SDL_VIDEORESIZE:
2372 if (cur_stream) {
115329f1 2373 screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
01310af2 2374 SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
c57d3469
MN
2375 screen_width = cur_stream->width = event.resize.w;
2376 screen_height= cur_stream->height= event.resize.h;
01310af2
FB
2377 }
2378 break;
2379 case SDL_QUIT:
638c9d91 2380 case FF_QUIT_EVENT:
01310af2
FB
2381 do_exit();
2382 break;
2383 case FF_ALLOC_EVENT:
fccb19e3 2384 video_open(event.user.data1);
01310af2
FB
2385 alloc_picture(event.user.data1);
2386 break;
2387 case FF_REFRESH_EVENT:
2388 video_refresh_timer(event.user.data1);
2389 break;
2390 default:
2391 break;
2392 }
2393 }
2394}
2395
e4b89522
LW
2396static void opt_frame_size(const char *arg)
2397{
b33ece16 2398 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
e4b89522
LW
2399 fprintf(stderr, "Incorrect frame size\n");
2400 exit(1);
2401 }
2402 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2403 fprintf(stderr, "Frame size must be a multiple of 2\n");
2404 exit(1);
2405 }
2406}
2407
a5b3b5f6 2408static int opt_width(const char *opt, const char *arg)
01310af2 2409{
a5b3b5f6
SS
2410 screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2411 return 0;
01310af2
FB
2412}
2413
a5b3b5f6 2414static int opt_height(const char *opt, const char *arg)
01310af2 2415{
a5b3b5f6
SS
2416 screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2417 return 0;
01310af2
FB
2418}
2419
2420static void opt_format(const char *arg)
2421{
2422 file_iformat = av_find_input_format(arg);
2423 if (!file_iformat) {
2424 fprintf(stderr, "Unknown input format: %s\n", arg);
2425 exit(1);
2426 }
2427}
61890b02 2428
e4b89522
LW
2429static void opt_frame_pix_fmt(const char *arg)
2430{
2431 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2432}
2433
b81d6235 2434static int opt_sync(const char *opt, const char *arg)
638c9d91
FB
2435{
2436 if (!strcmp(arg, "audio"))
2437 av_sync_type = AV_SYNC_AUDIO_MASTER;
2438 else if (!strcmp(arg, "video"))
2439 av_sync_type = AV_SYNC_VIDEO_MASTER;
2440 else if (!strcmp(arg, "ext"))
2441 av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
aab1b7e5 2442 else {
b81d6235 2443 fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
aab1b7e5
SS
2444 exit(1);
2445 }
b81d6235 2446 return 0;
638c9d91
FB
2447}
2448
e11bc2c6 2449static int opt_seek(const char *opt, const char *arg)
72ea344b 2450{
e11bc2c6
SS
2451 start_time = parse_time_or_die(opt, arg, 1);
2452 return 0;
72ea344b
FB
2453}
2454
a5b3b5f6 2455static int opt_debug(const char *opt, const char *arg)
e26a8335 2456{
a309073b 2457 av_log_set_level(99);
a5b3b5f6
SS
2458 debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2459 return 0;
e26a8335 2460}
115329f1 2461
a5b3b5f6 2462static int opt_vismv(const char *opt, const char *arg)
0c9bbaec 2463{
a5b3b5f6
SS
2464 debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2465 return 0;
0c9bbaec 2466}
c62c07d3 2467
a5b3b5f6 2468static int opt_thread_count(const char *opt, const char *arg)
c62c07d3 2469{
a5b3b5f6 2470 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
b250f9c6 2471#if !HAVE_THREADS
c62c07d3
MN
2472 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2473#endif
a5b3b5f6 2474 return 0;
c62c07d3 2475}
115329f1 2476
358061f6 2477static const OptionDef options[] = {
20176cbc
MN
2478 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
2479 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
8fdea204 2480 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
a28b7ed4 2481 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
a5b3b5f6
SS
2482 { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
2483 { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
e4b89522 2484 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
638c9d91 2485 { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
01310af2
FB
2486 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2487 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
4b037567
SS
2488 { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_audio_stream}, "select desired audio stream", "stream_number" },
2489 { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_video_stream}, "select desired video stream", "stream_number" },
2490 { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_subtitle_stream}, "select desired subtitle stream", "stream_number" },
e11bc2c6 2491 { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
94b594c6 2492 { "bytes", OPT_BOOL, {(void*)&seek_by_bytes}, "seek by bytes" },
01310af2
FB
2493 { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
2494 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
e4b89522 2495 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
01310af2 2496 { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
a5b3b5f6 2497 { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
6387c3e6 2498 { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
a5b3b5f6 2499 { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
6fc5b059 2500 { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
30bc6613 2501 { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
5039185a 2502 { "drp", OPT_BOOL |OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts", ""},
178fcca8 2503 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
8c3eba7c
MN
2504 { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
2505 { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
2506 { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
178fcca8 2507 { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
047599a4 2508 { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)", "threshold" },
1b51e051 2509 { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
b81d6235 2510 { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
a5b3b5f6 2511 { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
e43d7a18 2512 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
01310af2
FB
2513 { NULL, },
2514};
2515
358061f6 2516static void show_help(void)
01310af2 2517{
9c5755ee 2518 printf("usage: ffplay [options] input_file\n"
01310af2
FB
2519 "Simple media player\n");
2520 printf("\n");
02d504a7
FB
2521 show_help_options(options, "Main options:\n",
2522 OPT_EXPERT, 0);
2523 show_help_options(options, "\nAdvanced options:\n",
2524 OPT_EXPERT, OPT_EXPERT);
01310af2
FB
2525 printf("\nWhile playing:\n"
2526 "q, ESC quit\n"
2527 "f toggle full screen\n"
2528 "p, SPC pause\n"
638c9d91
FB
2529 "a cycle audio channel\n"
2530 "v cycle video channel\n"
72ce053b 2531 "t cycle subtitle channel\n"
638c9d91 2532 "w show audio waves\n"
72ea344b
FB
2533 "left/right seek backward/forward 10 seconds\n"
2534 "down/up seek backward/forward 1 minute\n"
a11d11aa 2535 "mouse click seek to percentage in file corresponding to fraction of width\n"
01310af2 2536 );
01310af2
FB
2537}
2538
358061f6 2539static void opt_input_file(const char *filename)
01310af2 2540{
e8d83e1c 2541 if (!strcmp(filename, "-"))
9fcfc0b7 2542 filename = "pipe:";
01310af2
FB
2543 input_filename = filename;
2544}
2545
2546/* Called from the main */
2547int main(int argc, char **argv)
2548{
e43d7a18 2549 int flags, i;
115329f1 2550
01310af2 2551 /* register all codecs, demux and protocols */
c721d803
LA
2552 avcodec_register_all();
2553 avdevice_register_all();
01310af2
FB
2554 av_register_all();
2555
e43d7a18 2556 for(i=0; i<CODEC_TYPE_NB; i++){
636f1c4c 2557 avcodec_opts[i]= avcodec_alloc_context2(i);
e43d7a18 2558 }
8e2fd8e1 2559 avformat_opts = avformat_alloc_context();
e43d7a18
MN
2560 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
2561
ea9c581f 2562 show_banner();
4cfac5bc 2563
f5da5c93 2564 parse_options(argc, argv, options, opt_input_file);
01310af2 2565
aab1b7e5 2566 if (!input_filename) {
7a7da6b4 2567 fprintf(stderr, "An input file must be specified\n");
aab1b7e5
SS
2568 exit(1);
2569 }
01310af2
FB
2570
2571 if (display_disable) {
2572 video_disable = 1;
2573 }
31319a8c 2574 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
c97f5402
DB
2575#if !defined(__MINGW32__) && !defined(__APPLE__)
2576 flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
31319a8c 2577#endif
01310af2 2578 if (SDL_Init (flags)) {
05ab0b76 2579 fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
01310af2
FB
2580 exit(1);
2581 }
2582
2583 if (!display_disable) {
b250f9c6 2584#if HAVE_SDL_VIDEO_SIZE
3ef17d62
MR
2585 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2586 fs_screen_width = vi->current_w;
2587 fs_screen_height = vi->current_h;
29f3b38a 2588#endif
01310af2
FB
2589 }
2590
2591 SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
2592 SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
2593 SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
2594 SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
2595
39c6a118
MN
2596 av_init_packet(&flush_pkt);
2597 flush_pkt.data= "FLUSH";
2598
638c9d91 2599 cur_stream = stream_open(input_filename, file_iformat);
01310af2
FB
2600
2601 event_loop();
2602
2603 /* never returns */
2604
2605 return 0;
2606}