Remove unused variables along with the related warnings.
[libav.git] / ffplay.c
CommitLineData
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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);
676ef505
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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;
03ae87a3 1230 static struct SwsContext *img_convert_ctx;
115329f1 1231
01310af2
FB
1232 /* wait until we have space to put a new picture */
1233 SDL_LockMutex(is->pictq_mutex);
1234 while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1235 !is->videoq.abort_request) {
1236 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1237 }
1238 SDL_UnlockMutex(is->pictq_mutex);
115329f1 1239
01310af2
FB
1240 if (is->videoq.abort_request)
1241 return -1;
1242
1243 vp = &is->pictq[is->pictq_windex];
1244
1245 /* alloc or resize hardware picture buffer */
115329f1 1246 if (!vp->bmp ||
01f4895c
MN
1247 vp->width != is->video_st->codec->width ||
1248 vp->height != is->video_st->codec->height) {
01310af2
FB
1249 SDL_Event event;
1250
1251 vp->allocated = 0;
1252
1253 /* the allocation must be done in the main thread to avoid
1254 locking problems */
1255 event.type = FF_ALLOC_EVENT;
1256 event.user.data1 = is;
1257 SDL_PushEvent(&event);
115329f1 1258
01310af2
FB
1259 /* wait until the picture is allocated */
1260 SDL_LockMutex(is->pictq_mutex);
1261 while (!vp->allocated && !is->videoq.abort_request) {
1262 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1263 }
1264 SDL_UnlockMutex(is->pictq_mutex);
1265
1266 if (is->videoq.abort_request)
1267 return -1;
1268 }
1269
638c9d91 1270 /* if the frame is not skipped, then display it */
01310af2 1271 if (vp->bmp) {
fbf1b885 1272 AVPicture pict;
1273
01310af2
FB
1274 /* get a pointer on the bitmap */
1275 SDL_LockYUVOverlay (vp->bmp);
1276
1277 dst_pix_fmt = PIX_FMT_YUV420P;
fbf1b885 1278 memset(&pict,0,sizeof(AVPicture));
01310af2
FB
1279 pict.data[0] = vp->bmp->pixels[0];
1280 pict.data[1] = vp->bmp->pixels[2];
1281 pict.data[2] = vp->bmp->pixels[1];
1282
1283 pict.linesize[0] = vp->bmp->pitches[0];
1284 pict.linesize[1] = vp->bmp->pitches[2];
1285 pict.linesize[2] = vp->bmp->pitches[1];
e43d7a18 1286 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
feb7bc67
AB
1287 img_convert_ctx = sws_getCachedContext(img_convert_ctx,
1288 is->video_st->codec->width, is->video_st->codec->height,
1289 is->video_st->codec->pix_fmt,
1290 is->video_st->codec->width, is->video_st->codec->height,
1291 dst_pix_fmt, sws_flags, NULL, NULL, NULL);
26ba8235
AB
1292 if (img_convert_ctx == NULL) {
1293 fprintf(stderr, "Cannot initialize the conversion context\n");
1294 exit(1);
1295 }
03ae87a3
LA
1296 sws_scale(img_convert_ctx, src_frame->data, src_frame->linesize,
1297 0, is->video_st->codec->height, pict.data, pict.linesize);
01310af2
FB
1298 /* update the bitmap content */
1299 SDL_UnlockYUVOverlay(vp->bmp);
1300
638c9d91 1301 vp->pts = pts;
01310af2
FB
1302
1303 /* now we can update the picture count */
1304 if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1305 is->pictq_windex = 0;
1306 SDL_LockMutex(is->pictq_mutex);
1307 is->pictq_size++;
1308 SDL_UnlockMutex(is->pictq_mutex);
1309 }
638c9d91
FB
1310 return 0;
1311}
1312
115329f1
DB
1313/**
1314 * compute the exact PTS for the picture if it is omitted in the stream
267e9dfa
MN
1315 * @param pts1 the dts of the pkt / pts of the frame
1316 */
638c9d91
FB
1317static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1)
1318{
1319 double frame_delay, pts;
115329f1 1320
638c9d91
FB
1321 pts = pts1;
1322
01310af2 1323 if (pts != 0) {
638c9d91 1324 /* update video clock with pts, if present */
01310af2
FB
1325 is->video_clock = pts;
1326 } else {
72ea344b
FB
1327 pts = is->video_clock;
1328 }
1329 /* update video clock for next frame */
01f4895c 1330 frame_delay = av_q2d(is->video_st->codec->time_base);
72ea344b
FB
1331 /* for MPEG2, the frame can be repeated, so we update the
1332 clock accordingly */
267e9dfa 1333 frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
72ea344b 1334 is->video_clock += frame_delay;
638c9d91
FB
1335
1336#if defined(DEBUG_SYNC) && 0
1337 {
1338 int ftype;
1339 if (src_frame->pict_type == FF_B_TYPE)
1340 ftype = 'B';
1341 else if (src_frame->pict_type == FF_I_TYPE)
1342 ftype = 'I';
1343 else
1344 ftype = 'P';
115329f1 1345 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
72ea344b 1346 ftype, pts, pts1);
638c9d91
FB
1347 }
1348#endif
72ea344b 1349 return queue_picture(is, src_frame, pts);
01310af2
FB
1350}
1351
1352static int video_thread(void *arg)
1353{
1354 VideoState *is = arg;
1355 AVPacket pkt1, *pkt = &pkt1;
72ea344b 1356 int len1, got_picture;
c6b1edc9 1357 AVFrame *frame= avcodec_alloc_frame();
01310af2
FB
1358 double pts;
1359
1360 for(;;) {
1361 while (is->paused && !is->videoq.abort_request) {
1362 SDL_Delay(10);
1363 }
1364 if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1365 break;
39c6a118
MN
1366
1367 if(pkt->data == flush_pkt.data){
1368 avcodec_flush_buffers(is->video_st->codec);
1369 continue;
1370 }
1371
638c9d91
FB
1372 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1373 this packet, if any */
7fb262b5 1374 is->video_st->codec->reordered_opaque= pkt->pts;
620e8baf
MN
1375 len1 = avcodec_decode_video(is->video_st->codec,
1376 frame, &got_picture,
1377 pkt->data, pkt->size);
1378
1379 if( (decoder_reorder_pts || pkt->dts == AV_NOPTS_VALUE)
7fb262b5
MN
1380 && frame->reordered_opaque != AV_NOPTS_VALUE)
1381 pts= frame->reordered_opaque;
620e8baf
MN
1382 else if(pkt->dts != AV_NOPTS_VALUE)
1383 pts= pkt->dts;
1384 else
1385 pts= 0;
1386 pts *= av_q2d(is->video_st->time_base);
5039185a 1387
fb966f99
MN
1388// if (len1 < 0)
1389// break;
620e8baf
MN
1390 if (got_picture) {
1391 if (output_picture2(is, frame, pts) < 0)
1392 goto the_end;
1393 }
01310af2 1394 av_free_packet(pkt);
115329f1 1395 if (step)
bba04f1e
WH
1396 if (cur_stream)
1397 stream_pause(cur_stream);
01310af2
FB
1398 }
1399 the_end:
c6b1edc9 1400 av_free(frame);
01310af2
FB
1401 return 0;
1402}
1403
72ce053b
IC
1404static int subtitle_thread(void *arg)
1405{
1406 VideoState *is = arg;
1407 SubPicture *sp;
1408 AVPacket pkt1, *pkt = &pkt1;
1409 int len1, got_subtitle;
1410 double pts;
1411 int i, j;
1412 int r, g, b, y, u, v, a;
1413
1414 for(;;) {
1415 while (is->paused && !is->subtitleq.abort_request) {
1416 SDL_Delay(10);
1417 }
1418 if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1419 break;
115329f1 1420
39c6a118
MN
1421 if(pkt->data == flush_pkt.data){
1422 avcodec_flush_buffers(is->subtitle_st->codec);
1423 continue;
1424 }
72ce053b
IC
1425 SDL_LockMutex(is->subpq_mutex);
1426 while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1427 !is->subtitleq.abort_request) {
1428 SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1429 }
1430 SDL_UnlockMutex(is->subpq_mutex);
115329f1 1431
72ce053b
IC
1432 if (is->subtitleq.abort_request)
1433 goto the_end;
115329f1 1434
72ce053b
IC
1435 sp = &is->subpq[is->subpq_windex];
1436
1437 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1438 this packet, if any */
1439 pts = 0;
1440 if (pkt->pts != AV_NOPTS_VALUE)
1441 pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1442
115329f1
DB
1443 len1 = avcodec_decode_subtitle(is->subtitle_st->codec,
1444 &sp->sub, &got_subtitle,
72ce053b 1445 pkt->data, pkt->size);
72ce053b
IC
1446// if (len1 < 0)
1447// break;
1448 if (got_subtitle && sp->sub.format == 0) {
1449 sp->pts = pts;
115329f1 1450
72ce053b
IC
1451 for (i = 0; i < sp->sub.num_rects; i++)
1452 {
db4fac64 1453 for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
72ce053b 1454 {
25b4c651 1455 RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
72ce053b
IC
1456 y = RGB_TO_Y_CCIR(r, g, b);
1457 u = RGB_TO_U_CCIR(r, g, b, 0);
1458 v = RGB_TO_V_CCIR(r, g, b, 0);
25b4c651 1459 YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
72ce053b
IC
1460 }
1461 }
1462
1463 /* now we can update the picture count */
1464 if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1465 is->subpq_windex = 0;
1466 SDL_LockMutex(is->subpq_mutex);
1467 is->subpq_size++;
1468 SDL_UnlockMutex(is->subpq_mutex);
1469 }
1470 av_free_packet(pkt);
115329f1 1471// if (step)
72ce053b
IC
1472// if (cur_stream)
1473// stream_pause(cur_stream);
1474 }
1475 the_end:
1476 return 0;
1477}
1478
01310af2
FB
1479/* copy samples for viewing in editor window */
1480static void update_sample_display(VideoState *is, short *samples, int samples_size)
1481{
1482 int size, len, channels;
1483
01f4895c 1484 channels = is->audio_st->codec->channels;
01310af2
FB
1485
1486 size = samples_size / sizeof(short);
1487 while (size > 0) {
1488 len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1489 if (len > size)
1490 len = size;
1491 memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1492 samples += len;
1493 is->sample_array_index += len;
1494 if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1495 is->sample_array_index = 0;
1496 size -= len;
1497 }
1498}
1499
01310af2
FB
1500/* return the new audio buffer size (samples can be added or deleted
1501 to get better sync if video or external master clock) */
115329f1 1502static int synchronize_audio(VideoState *is, short *samples,
638c9d91 1503 int samples_size1, double pts)
01310af2 1504{
638c9d91 1505 int n, samples_size;
01310af2 1506 double ref_clock;
115329f1 1507
01f4895c 1508 n = 2 * is->audio_st->codec->channels;
638c9d91 1509 samples_size = samples_size1;
01310af2 1510
01310af2 1511 /* if not master, then we try to remove or add samples to correct the clock */
01310af2 1512 if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
638c9d91
FB
1513 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1514 double diff, avg_diff;
01310af2 1515 int wanted_size, min_size, max_size, nb_samples;
115329f1 1516
638c9d91
FB
1517 ref_clock = get_master_clock(is);
1518 diff = get_audio_clock(is) - ref_clock;
115329f1 1519
638c9d91
FB
1520 if (diff < AV_NOSYNC_THRESHOLD) {
1521 is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1522 if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1523 /* not enough measures to have a correct estimate */
1524 is->audio_diff_avg_count++;
1525 } else {
1526 /* estimate the A-V difference */
1527 avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1528
1529 if (fabs(avg_diff) >= is->audio_diff_threshold) {
01f4895c 1530 wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
638c9d91 1531 nb_samples = samples_size / n;
115329f1 1532
638c9d91
FB
1533 min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1534 max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1535 if (wanted_size < min_size)
1536 wanted_size = min_size;
1537 else if (wanted_size > max_size)
1538 wanted_size = max_size;
115329f1 1539
638c9d91
FB
1540 /* add or remove samples to correction the synchro */
1541 if (wanted_size < samples_size) {
1542 /* remove samples */
1543 samples_size = wanted_size;
1544 } else if (wanted_size > samples_size) {
1545 uint8_t *samples_end, *q;
1546 int nb;
115329f1 1547
638c9d91
FB
1548 /* add samples */
1549 nb = (samples_size - wanted_size);
1550 samples_end = (uint8_t *)samples + samples_size - n;
1551 q = samples_end + n;
1552 while (nb > 0) {
1553 memcpy(q, samples_end, n);
1554 q += n;
1555 nb -= n;
1556 }
1557 samples_size = wanted_size;
1558 }
1559 }
1560#if 0
115329f1
DB
1561 printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1562 diff, avg_diff, samples_size - samples_size1,
638c9d91
FB
1563 is->audio_clock, is->video_clock, is->audio_diff_threshold);
1564#endif
01310af2 1565 }
638c9d91
FB
1566 } else {
1567 /* too big difference : may be initial PTS errors, so
1568 reset A-V filter */
1569 is->audio_diff_avg_count = 0;
1570 is->audio_diff_cum = 0;
01310af2
FB
1571 }
1572 }
1573
01310af2
FB
1574 return samples_size;
1575}
1576
1577/* decode one audio frame and returns its uncompressed size */
5a4476e2 1578static int audio_decode_frame(VideoState *is, double *pts_ptr)
01310af2
FB
1579{
1580 AVPacket *pkt = &is->audio_pkt;
abdff646 1581 AVCodecContext *dec= is->audio_st->codec;
72ea344b 1582 int n, len1, data_size;
01310af2
FB
1583 double pts;
1584
1585 for(;;) {
72ea344b 1586 /* NOTE: the audio packet can contain several frames */
01310af2 1587 while (is->audio_pkt_size > 0) {
5a4476e2 1588 data_size = sizeof(is->audio_buf1);
abdff646 1589 len1 = avcodec_decode_audio2(dec,
5a4476e2 1590 (int16_t *)is->audio_buf1, &data_size,
01310af2 1591 is->audio_pkt_data, is->audio_pkt_size);
72ea344b
FB
1592 if (len1 < 0) {
1593 /* if error, we skip the frame */
1594 is->audio_pkt_size = 0;
01310af2 1595 break;
72ea344b 1596 }
115329f1 1597
01310af2
FB
1598 is->audio_pkt_data += len1;
1599 is->audio_pkt_size -= len1;
72ea344b
FB
1600 if (data_size <= 0)
1601 continue;
5a4476e2
PR
1602
1603 if (dec->sample_fmt != is->audio_src_fmt) {
1604 if (is->reformat_ctx)
1605 av_audio_convert_free(is->reformat_ctx);
1606 is->reformat_ctx= av_audio_convert_alloc(SAMPLE_FMT_S16, 1,
1607 dec->sample_fmt, 1, NULL, 0);
1608 if (!is->reformat_ctx) {
1609 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
1610 avcodec_get_sample_fmt_name(dec->sample_fmt),
1611 avcodec_get_sample_fmt_name(SAMPLE_FMT_S16));
1612 break;
1613 }
1614 is->audio_src_fmt= dec->sample_fmt;
1615 }
1616
1617 if (is->reformat_ctx) {
1618 const void *ibuf[6]= {is->audio_buf1};
1619 void *obuf[6]= {is->audio_buf2};
1620 int istride[6]= {av_get_bits_per_sample_format(dec->sample_fmt)/8};
1621 int ostride[6]= {2};
1622 int len= data_size/istride[0];
1623 if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
1624 printf("av_audio_convert() failed\n");
1625 break;
1626 }
1627 is->audio_buf= is->audio_buf2;
1628 /* FIXME: existing code assume that data_size equals framesize*channels*2
1629 remove this legacy cruft */
1630 data_size= len*2;
1631 }else{
1632 is->audio_buf= is->audio_buf1;
1633 }
1634
72ea344b
FB
1635 /* if no pts, then compute it */
1636 pts = is->audio_clock;
1637 *pts_ptr = pts;
abdff646 1638 n = 2 * dec->channels;
115329f1 1639 is->audio_clock += (double)data_size /
abdff646 1640 (double)(n * dec->sample_rate);
638c9d91 1641#if defined(DEBUG_SYNC)
72ea344b
FB
1642 {
1643 static double last_clock;
1644 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
1645 is->audio_clock - last_clock,
1646 is->audio_clock, pts);
1647 last_clock = is->audio_clock;
01310af2 1648 }
72ea344b
FB
1649#endif
1650 return data_size;
01310af2
FB
1651 }
1652
72ea344b
FB
1653 /* free the current packet */
1654 if (pkt->data)
01310af2 1655 av_free_packet(pkt);
115329f1 1656
72ea344b
FB
1657 if (is->paused || is->audioq.abort_request) {
1658 return -1;
1659 }
115329f1 1660
01310af2
FB
1661 /* read next packet */
1662 if (packet_queue_get(&is->audioq, pkt, 1) < 0)
1663 return -1;
39c6a118 1664 if(pkt->data == flush_pkt.data){
abdff646 1665 avcodec_flush_buffers(dec);
39c6a118
MN
1666 continue;
1667 }
1668
01310af2
FB
1669 is->audio_pkt_data = pkt->data;
1670 is->audio_pkt_size = pkt->size;
115329f1 1671
72ea344b
FB
1672 /* if update the audio clock with the pts */
1673 if (pkt->pts != AV_NOPTS_VALUE) {
c0df9d75 1674 is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
72ea344b 1675 }
01310af2
FB
1676 }
1677}
1678
638c9d91
FB
1679/* get the current audio output buffer size, in samples. With SDL, we
1680 cannot have a precise information */
1681static int audio_write_get_buf_size(VideoState *is)
01310af2 1682{
b09b580b 1683 return is->audio_buf_size - is->audio_buf_index;
01310af2
FB
1684}
1685
1686
1687/* prepare a new audio buffer */
358061f6 1688static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
01310af2
FB
1689{
1690 VideoState *is = opaque;
1691 int audio_size, len1;
1692 double pts;
1693
1694 audio_callback_time = av_gettime();
115329f1 1695
01310af2
FB
1696 while (len > 0) {
1697 if (is->audio_buf_index >= is->audio_buf_size) {
5a4476e2 1698 audio_size = audio_decode_frame(is, &pts);
01310af2
FB
1699 if (audio_size < 0) {
1700 /* if error, just output silence */
1a1078fa 1701 is->audio_buf = is->audio_buf1;
01310af2
FB
1702 is->audio_buf_size = 1024;
1703 memset(is->audio_buf, 0, is->audio_buf_size);
1704 } else {
1705 if (is->show_audio)
1706 update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
115329f1 1707 audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
01310af2
FB
1708 pts);
1709 is->audio_buf_size = audio_size;
1710 }
1711 is->audio_buf_index = 0;
1712 }
1713 len1 = is->audio_buf_size - is->audio_buf_index;
1714 if (len1 > len)
1715 len1 = len;
1716 memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
1717 len -= len1;
1718 stream += len1;
1719 is->audio_buf_index += len1;
1720 }
1721}
1722
01310af2
FB
1723/* open a given stream. Return 0 if OK */
1724static int stream_component_open(VideoState *is, int stream_index)
1725{
1726 AVFormatContext *ic = is->ic;
1727 AVCodecContext *enc;
1728 AVCodec *codec;
1729 SDL_AudioSpec wanted_spec, spec;
1730
1731 if (stream_index < 0 || stream_index >= ic->nb_streams)
1732 return -1;
01f4895c 1733 enc = ic->streams[stream_index]->codec;
115329f1 1734
01310af2
FB
1735 /* prepare audio output */
1736 if (enc->codec_type == CODEC_TYPE_AUDIO) {
51b73087
JR
1737 if (enc->channels > 0) {
1738 enc->request_channels = FFMIN(2, enc->channels);
94eadc8b 1739 } else {
51b73087 1740 enc->request_channels = 2;
638c9d91 1741 }
01310af2
FB
1742 }
1743
1744 codec = avcodec_find_decoder(enc->codec_id);
13d1512c
MN
1745 enc->debug_mv = debug_mv;
1746 enc->debug = debug;
6387c3e6 1747 enc->workaround_bugs = workaround_bugs;
178fcca8 1748 enc->lowres = lowres;
61846e9a 1749 if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
178fcca8 1750 enc->idct_algo= idct;
6fc5b059 1751 if(fast) enc->flags2 |= CODEC_FLAG2_FAST;
8c3eba7c
MN
1752 enc->skip_frame= skip_frame;
1753 enc->skip_idct= skip_idct;
1754 enc->skip_loop_filter= skip_loop_filter;
047599a4 1755 enc->error_recognition= error_recognition;
1b51e051 1756 enc->error_concealment= error_concealment;
e43d7a18 1757
636f1c4c 1758 set_context_opts(enc, avcodec_opts[enc->codec_type], 0);
e43d7a18 1759
01310af2
FB
1760 if (!codec ||
1761 avcodec_open(enc, codec) < 0)
1762 return -1;
51b73087
JR
1763
1764 /* prepare audio output */
1765 if (enc->codec_type == CODEC_TYPE_AUDIO) {
1766 wanted_spec.freq = enc->sample_rate;
1767 wanted_spec.format = AUDIO_S16SYS;
1768 wanted_spec.channels = enc->channels;
1769 wanted_spec.silence = 0;
1770 wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
1771 wanted_spec.callback = sdl_audio_callback;
1772 wanted_spec.userdata = is;
1773 if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
1774 fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
1775 return -1;
1776 }
1777 is->audio_hw_buf_size = spec.size;
5a4476e2 1778 is->audio_src_fmt= SAMPLE_FMT_S16;
51b73087
JR
1779 }
1780
c62c07d3
MN
1781 if(thread_count>1)
1782 avcodec_thread_init(enc, thread_count);
c62c07d3 1783 enc->thread_count= thread_count;
3f3fe38d 1784 ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
638c9d91 1785 switch(enc->codec_type) {
01310af2
FB
1786 case CODEC_TYPE_AUDIO:
1787 is->audio_stream = stream_index;
1788 is->audio_st = ic->streams[stream_index];
1789 is->audio_buf_size = 0;
1790 is->audio_buf_index = 0;
638c9d91
FB
1791
1792 /* init averaging filter */
1793 is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
1794 is->audio_diff_avg_count = 0;
1795 /* since we do not have a precise anough audio fifo fullness,
1796 we correct audio sync only if larger than this threshold */
1797 is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / enc->sample_rate;
1798
01310af2
FB
1799 memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
1800 packet_queue_init(&is->audioq);
bb270c08 1801 SDL_PauseAudio(0);
01310af2
FB
1802 break;
1803 case CODEC_TYPE_VIDEO:
1804 is->video_stream = stream_index;
1805 is->video_st = ic->streams[stream_index];
1806
638c9d91
FB
1807 is->frame_last_delay = 40e-3;
1808 is->frame_timer = (double)av_gettime() / 1000000.0;
638c9d91
FB
1809 is->video_current_pts_time = av_gettime();
1810
01310af2
FB
1811 packet_queue_init(&is->videoq);
1812 is->video_tid = SDL_CreateThread(video_thread, is);
1813 break;
72ce053b
IC
1814 case CODEC_TYPE_SUBTITLE:
1815 is->subtitle_stream = stream_index;
1816 is->subtitle_st = ic->streams[stream_index];
1817 packet_queue_init(&is->subtitleq);
115329f1 1818
72ce053b
IC
1819 is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
1820 break;
01310af2
FB
1821 default:
1822 break;
1823 }
1824 return 0;
1825}
1826
1827static void stream_component_close(VideoState *is, int stream_index)
1828{
1829 AVFormatContext *ic = is->ic;
1830 AVCodecContext *enc;
115329f1 1831
72ce053b
IC
1832 if (stream_index < 0 || stream_index >= ic->nb_streams)
1833 return;
01f4895c 1834 enc = ic->streams[stream_index]->codec;
01310af2
FB
1835
1836 switch(enc->codec_type) {
1837 case CODEC_TYPE_AUDIO:
1838 packet_queue_abort(&is->audioq);
1839
1840 SDL_CloseAudio();
1841
1842 packet_queue_end(&is->audioq);
5a4476e2
PR
1843 if (is->reformat_ctx)
1844 av_audio_convert_free(is->reformat_ctx);
01310af2
FB
1845 break;
1846 case CODEC_TYPE_VIDEO:
1847 packet_queue_abort(&is->videoq);
1848
1849 /* note: we also signal this mutex to make sure we deblock the
1850 video thread in all cases */
1851 SDL_LockMutex(is->pictq_mutex);
1852 SDL_CondSignal(is->pictq_cond);
1853 SDL_UnlockMutex(is->pictq_mutex);
1854
1855 SDL_WaitThread(is->video_tid, NULL);
1856
1857 packet_queue_end(&is->videoq);
1858 break;
72ce053b
IC
1859 case CODEC_TYPE_SUBTITLE:
1860 packet_queue_abort(&is->subtitleq);
115329f1 1861
72ce053b
IC
1862 /* note: we also signal this mutex to make sure we deblock the
1863 video thread in all cases */
1864 SDL_LockMutex(is->subpq_mutex);
1865 is->subtitle_stream_changed = 1;
115329f1 1866
72ce053b
IC
1867 SDL_CondSignal(is->subpq_cond);
1868 SDL_UnlockMutex(is->subpq_mutex);
1869
1870 SDL_WaitThread(is->subtitle_tid, NULL);
1871
1872 packet_queue_end(&is->subtitleq);
1873 break;
01310af2
FB
1874 default:
1875 break;
1876 }
1877
3f3fe38d 1878 ic->streams[stream_index]->discard = AVDISCARD_ALL;
01310af2
FB
1879 avcodec_close(enc);
1880 switch(enc->codec_type) {
1881 case CODEC_TYPE_AUDIO:
1882 is->audio_st = NULL;
1883 is->audio_stream = -1;
1884 break;
1885 case CODEC_TYPE_VIDEO:
1886 is->video_st = NULL;
1887 is->video_stream = -1;
1888 break;
72ce053b
IC
1889 case CODEC_TYPE_SUBTITLE:
1890 is->subtitle_st = NULL;
1891 is->subtitle_stream = -1;
1892 break;
01310af2
FB
1893 default:
1894 break;
1895 }
1896}
1897
7b49ce2e 1898static void dump_stream_info(const AVFormatContext *s)
d0526ecf 1899{
f7554a99
AJ
1900 AVMetadataTag *tag = NULL;
1901 while ((tag=av_metadata_get(s->metadata,"",tag,AV_METADATA_IGNORE_SUFFIX)))
1902 fprintf(stderr, "%s: %s\n", tag->key, tag->value);
d0526ecf
FB
1903}
1904
416e3508
FB
1905/* since we have only one decoding thread, we can use a global
1906 variable instead of a thread local variable */
1907static VideoState *global_video_state;
1908
1909static int decode_interrupt_cb(void)
1910{
1911 return (global_video_state && global_video_state->abort_request);
1912}
01310af2
FB
1913
1914/* this thread gets the stream from the disk or the network */
1915static int decode_thread(void *arg)
1916{
1917 VideoState *is = arg;
1918 AVFormatContext *ic;
16a59a7b 1919 int err, i, ret, video_index, audio_index, subtitle_index;
01310af2 1920 AVPacket pkt1, *pkt = &pkt1;
61890b02 1921 AVFormatParameters params, *ap = &params;
01310af2
FB
1922
1923 video_index = -1;
1924 audio_index = -1;
16a59a7b 1925 subtitle_index = -1;
01310af2
FB
1926 is->video_stream = -1;
1927 is->audio_stream = -1;
72ce053b 1928 is->subtitle_stream = -1;
01310af2 1929
416e3508
FB
1930 global_video_state = is;
1931 url_set_interrupt_cb(decode_interrupt_cb);
1932
61890b02 1933 memset(ap, 0, sizeof(*ap));
115329f1 1934
e4b89522
LW
1935 ap->width = frame_width;
1936 ap->height= frame_height;
7e042912 1937 ap->time_base= (AVRational){1, 25};
e4b89522 1938 ap->pix_fmt = frame_pix_fmt;
7e042912 1939
61890b02 1940 err = av_open_input_file(&ic, is->filename, is->iformat, 0, ap);
638c9d91
FB
1941 if (err < 0) {
1942 print_error(is->filename, err);
1943 ret = -1;
1944 goto fail;
1945 }
01310af2 1946 is->ic = ic;
30bc6613
MN
1947
1948 if(genpts)
1949 ic->flags |= AVFMT_FLAG_GENPTS;
1950
24c07998
LA
1951 err = av_find_stream_info(ic);
1952 if (err < 0) {
1953 fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
1954 ret = -1;
1955 goto fail;
1956 }
899681cd
BA
1957 if(ic->pb)
1958 ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
72ea344b
FB
1959
1960 /* if seeking requested, we execute it */
1961 if (start_time != AV_NOPTS_VALUE) {
1962 int64_t timestamp;
1963
1964 timestamp = start_time;
1965 /* add the stream start time */
1966 if (ic->start_time != AV_NOPTS_VALUE)
1967 timestamp += ic->start_time;
4ed29207 1968 ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
72ea344b 1969 if (ret < 0) {
115329f1 1970 fprintf(stderr, "%s: could not seek to position %0.3f\n",
72ea344b
FB
1971 is->filename, (double)timestamp / AV_TIME_BASE);
1972 }
1973 }
72ea344b 1974
01310af2 1975 for(i = 0; i < ic->nb_streams; i++) {
01f4895c 1976 AVCodecContext *enc = ic->streams[i]->codec;
3f3fe38d 1977 ic->streams[i]->discard = AVDISCARD_ALL;
01310af2
FB
1978 switch(enc->codec_type) {
1979 case CODEC_TYPE_AUDIO:
5dbb63fe 1980 if (wanted_audio_stream-- >= 0 && !audio_disable)
01310af2
FB
1981 audio_index = i;
1982 break;
1983 case CODEC_TYPE_VIDEO:
5dbb63fe 1984 if (wanted_video_stream-- >= 0 && !video_disable)
01310af2
FB
1985 video_index = i;
1986 break;
16a59a7b 1987 case CODEC_TYPE_SUBTITLE:
5ad4f0d4 1988 if (wanted_subtitle_stream-- >= 0 && !video_disable)
16a59a7b
BA
1989 subtitle_index = i;
1990 break;
01310af2
FB
1991 default:
1992 break;
1993 }
1994 }
1995 if (show_status) {
1996 dump_format(ic, 0, is->filename, 0);
d0526ecf 1997 dump_stream_info(ic);
01310af2
FB
1998 }
1999
2000 /* open the streams */
2001 if (audio_index >= 0) {
2002 stream_component_open(is, audio_index);
2003 }
2004
2005 if (video_index >= 0) {
2006 stream_component_open(is, video_index);
2007 } else {
2008 if (!display_disable)
2009 is->show_audio = 1;
2010 }
2011
16a59a7b
BA
2012 if (subtitle_index >= 0) {
2013 stream_component_open(is, subtitle_index);
2014 }
2015
01310af2 2016 if (is->video_stream < 0 && is->audio_stream < 0) {
638c9d91
FB
2017 fprintf(stderr, "%s: could not open codecs\n", is->filename);
2018 ret = -1;
01310af2
FB
2019 goto fail;
2020 }
2021
2022 for(;;) {
2023 if (is->abort_request)
2024 break;
416e3508
FB
2025 if (is->paused != is->last_paused) {
2026 is->last_paused = is->paused;
72ea344b
FB
2027 if (is->paused)
2028 av_read_pause(ic);
2029 else
2030 av_read_play(ic);
416e3508 2031 }
2f642393
AJ
2032#if CONFIG_RTSP_DEMUXER
2033 if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
416e3508
FB
2034 /* wait 10 ms to avoid trying to get another packet */
2035 /* XXX: horrible */
2036 SDL_Delay(10);
2037 continue;
2038 }
400738b1 2039#endif
72ea344b 2040 if (is->seek_req) {
8e606cc8 2041 int64_t seek_target= is->seek_pos;
4ed29207
MN
2042 int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2043 int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2044//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2045// of the seek_pos/seek_rel variables
8e606cc8 2046
4ed29207 2047 ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
72ea344b
FB
2048 if (ret < 0) {
2049 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
e6c0297f
MN
2050 }else{
2051 if (is->audio_stream >= 0) {
2052 packet_queue_flush(&is->audioq);
39c6a118 2053 packet_queue_put(&is->audioq, &flush_pkt);
e6c0297f 2054 }
72ce053b
IC
2055 if (is->subtitle_stream >= 0) {
2056 packet_queue_flush(&is->subtitleq);
39c6a118 2057 packet_queue_put(&is->subtitleq, &flush_pkt);
72ce053b 2058 }
e6c0297f
MN
2059 if (is->video_stream >= 0) {
2060 packet_queue_flush(&is->videoq);
39c6a118 2061 packet_queue_put(&is->videoq, &flush_pkt);
e6c0297f 2062 }
72ea344b
FB
2063 }
2064 is->seek_req = 0;
2065 }
416e3508 2066
01310af2
FB
2067 /* if the queue are full, no need to read more */
2068 if (is->audioq.size > MAX_AUDIOQ_SIZE ||
115329f1 2069 is->videoq.size > MAX_VIDEOQ_SIZE ||
600a331c 2070 is->subtitleq.size > MAX_SUBTITLEQ_SIZE) {
01310af2
FB
2071 /* wait 10 ms */
2072 SDL_Delay(10);
2073 continue;
2074 }
600a331c
MN
2075 if(url_feof(ic->pb)) {
2076 av_init_packet(pkt);
973c68cb 2077 pkt->data=NULL;
600a331c
MN
2078 pkt->size=0;
2079 pkt->stream_index= is->video_stream;
2080 packet_queue_put(&is->videoq, pkt);
2081 continue;
2082 }
72ea344b 2083 ret = av_read_frame(ic, pkt);
01310af2 2084 if (ret < 0) {
edf9b2f0 2085 if (ret != AVERROR_EOF && url_ferror(ic->pb) == 0) {
6e1f8725 2086 SDL_Delay(100); /* wait for user event */
bb270c08
DB
2087 continue;
2088 } else
2089 break;
01310af2
FB
2090 }
2091 if (pkt->stream_index == is->audio_stream) {
2092 packet_queue_put(&is->audioq, pkt);
2093 } else if (pkt->stream_index == is->video_stream) {
2094 packet_queue_put(&is->videoq, pkt);
72ce053b
IC
2095 } else if (pkt->stream_index == is->subtitle_stream) {
2096 packet_queue_put(&is->subtitleq, pkt);
01310af2
FB
2097 } else {
2098 av_free_packet(pkt);
2099 }
2100 }
2101 /* wait until the end */
2102 while (!is->abort_request) {
2103 SDL_Delay(100);
2104 }
2105
638c9d91 2106 ret = 0;
01310af2 2107 fail:
416e3508
FB
2108 /* disable interrupting */
2109 global_video_state = NULL;
2110
01310af2
FB
2111 /* close each stream */
2112 if (is->audio_stream >= 0)
2113 stream_component_close(is, is->audio_stream);
2114 if (is->video_stream >= 0)
2115 stream_component_close(is, is->video_stream);
72ce053b
IC
2116 if (is->subtitle_stream >= 0)
2117 stream_component_close(is, is->subtitle_stream);
638c9d91
FB
2118 if (is->ic) {
2119 av_close_input_file(is->ic);
2120 is->ic = NULL; /* safety */
2121 }
416e3508
FB
2122 url_set_interrupt_cb(NULL);
2123
638c9d91
FB
2124 if (ret != 0) {
2125 SDL_Event event;
115329f1 2126
638c9d91
FB
2127 event.type = FF_QUIT_EVENT;
2128 event.user.data1 = is;
2129 SDL_PushEvent(&event);
2130 }
01310af2
FB
2131 return 0;
2132}
2133
638c9d91 2134static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
01310af2
FB
2135{
2136 VideoState *is;
2137
2138 is = av_mallocz(sizeof(VideoState));
2139 if (!is)
2140 return NULL;
f7d78f36 2141 av_strlcpy(is->filename, filename, sizeof(is->filename));
638c9d91 2142 is->iformat = iformat;
01310af2
FB
2143 is->ytop = 0;
2144 is->xleft = 0;
2145
2146 /* start video display */
2147 is->pictq_mutex = SDL_CreateMutex();
2148 is->pictq_cond = SDL_CreateCond();
115329f1 2149
72ce053b
IC
2150 is->subpq_mutex = SDL_CreateMutex();
2151 is->subpq_cond = SDL_CreateCond();
115329f1 2152
01310af2
FB
2153 /* add the refresh timer to draw the picture */
2154 schedule_refresh(is, 40);
2155
638c9d91 2156 is->av_sync_type = av_sync_type;
01310af2
FB
2157 is->parse_tid = SDL_CreateThread(decode_thread, is);
2158 if (!is->parse_tid) {
2159 av_free(is);
2160 return NULL;
2161 }
2162 return is;
2163}
2164
2165static void stream_close(VideoState *is)
2166{
2167 VideoPicture *vp;
2168 int i;
2169 /* XXX: use a special url_shutdown call to abort parse cleanly */
2170 is->abort_request = 1;
2171 SDL_WaitThread(is->parse_tid, NULL);
2172
2173 /* free all pictures */
2174 for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
2175 vp = &is->pictq[i];
2176 if (vp->bmp) {
2177 SDL_FreeYUVOverlay(vp->bmp);
2178 vp->bmp = NULL;
2179 }
2180 }
2181 SDL_DestroyMutex(is->pictq_mutex);
2182 SDL_DestroyCond(is->pictq_cond);
72ce053b
IC
2183 SDL_DestroyMutex(is->subpq_mutex);
2184 SDL_DestroyCond(is->subpq_cond);
01310af2
FB
2185}
2186
7b49ce2e 2187static void stream_cycle_channel(VideoState *is, int codec_type)
638c9d91
FB
2188{
2189 AVFormatContext *ic = is->ic;
2190 int start_index, stream_index;
2191 AVStream *st;
2192
2193 if (codec_type == CODEC_TYPE_VIDEO)
2194 start_index = is->video_stream;
72ce053b 2195 else if (codec_type == CODEC_TYPE_AUDIO)
638c9d91 2196 start_index = is->audio_stream;
72ce053b
IC
2197 else
2198 start_index = is->subtitle_stream;
2199 if (start_index < (codec_type == CODEC_TYPE_SUBTITLE ? -1 : 0))
638c9d91
FB
2200 return;
2201 stream_index = start_index;
2202 for(;;) {
2203 if (++stream_index >= is->ic->nb_streams)
72ce053b
IC
2204 {
2205 if (codec_type == CODEC_TYPE_SUBTITLE)
2206 {
2207 stream_index = -1;
2208 goto the_end;
2209 } else
2210 stream_index = 0;
2211 }
638c9d91
FB
2212 if (stream_index == start_index)
2213 return;
2214 st = ic->streams[stream_index];
01f4895c 2215 if (st->codec->codec_type == codec_type) {
638c9d91
FB
2216 /* check that parameters are OK */
2217 switch(codec_type) {
2218 case CODEC_TYPE_AUDIO:
01f4895c
MN
2219 if (st->codec->sample_rate != 0 &&
2220 st->codec->channels != 0)
638c9d91
FB
2221 goto the_end;
2222 break;
2223 case CODEC_TYPE_VIDEO:
72ce053b 2224 case CODEC_TYPE_SUBTITLE:
638c9d91
FB
2225 goto the_end;
2226 default:
2227 break;
2228 }
2229 }
2230 }
2231 the_end:
2232 stream_component_close(is, start_index);
2233 stream_component_open(is, stream_index);
2234}
2235
2236
7b49ce2e 2237static void toggle_full_screen(void)
01310af2 2238{
01310af2 2239 is_full_screen = !is_full_screen;
29f3b38a
MR
2240 if (!fs_screen_width) {
2241 /* use default SDL method */
fb84155b 2242// SDL_WM_ToggleFullScreen(screen);
01310af2 2243 }
fb84155b 2244 video_open(cur_stream);
01310af2
FB
2245}
2246
7b49ce2e 2247static void toggle_pause(void)
01310af2
FB
2248{
2249 if (cur_stream)
2250 stream_pause(cur_stream);
bba04f1e
WH
2251 step = 0;
2252}
2253
7b49ce2e 2254static void step_to_next_frame(void)
bba04f1e
WH
2255{
2256 if (cur_stream) {
19cc524a 2257 /* if the stream is paused unpause it, then step */
bba04f1e 2258 if (cur_stream->paused)
19cc524a 2259 stream_pause(cur_stream);
bba04f1e
WH
2260 }
2261 step = 1;
01310af2
FB
2262}
2263
7b49ce2e 2264static void do_exit(void)
01310af2
FB
2265{
2266 if (cur_stream) {
2267 stream_close(cur_stream);
2268 cur_stream = NULL;
2269 }
2270 if (show_status)
2271 printf("\n");
2272 SDL_Quit();
2273 exit(0);
2274}
2275
7b49ce2e 2276static void toggle_audio_display(void)
01310af2
FB
2277{
2278 if (cur_stream) {
2279 cur_stream->show_audio = !cur_stream->show_audio;
2280 }
2281}
2282
2283/* handle an event sent by the GUI */
7b49ce2e 2284static void event_loop(void)
01310af2
FB
2285{
2286 SDL_Event event;
a11d11aa 2287 double incr, pos, frac;
01310af2
FB
2288
2289 for(;;) {
2290 SDL_WaitEvent(&event);
2291 switch(event.type) {
2292 case SDL_KEYDOWN:
2293 switch(event.key.keysym.sym) {
2294 case SDLK_ESCAPE:
2295 case SDLK_q:
2296 do_exit();
2297 break;
2298 case SDLK_f:
2299 toggle_full_screen();
2300 break;
2301 case SDLK_p:
2302 case SDLK_SPACE:
2303 toggle_pause();
2304 break;
bba04f1e
WH
2305 case SDLK_s: //S: Step to next frame
2306 step_to_next_frame();
2307 break;
01310af2 2308 case SDLK_a:
115329f1 2309 if (cur_stream)
638c9d91
FB
2310 stream_cycle_channel(cur_stream, CODEC_TYPE_AUDIO);
2311 break;
2312 case SDLK_v:
115329f1 2313 if (cur_stream)
638c9d91
FB
2314 stream_cycle_channel(cur_stream, CODEC_TYPE_VIDEO);
2315 break;
72ce053b 2316 case SDLK_t:
115329f1 2317 if (cur_stream)
72ce053b
IC
2318 stream_cycle_channel(cur_stream, CODEC_TYPE_SUBTITLE);
2319 break;
638c9d91 2320 case SDLK_w:
01310af2
FB
2321 toggle_audio_display();
2322 break;
72ea344b
FB
2323 case SDLK_LEFT:
2324 incr = -10.0;
2325 goto do_seek;
2326 case SDLK_RIGHT:
2327 incr = 10.0;
2328 goto do_seek;
2329 case SDLK_UP:
2330 incr = 60.0;
2331 goto do_seek;
2332 case SDLK_DOWN:
2333 incr = -60.0;
2334 do_seek:
2335 if (cur_stream) {
94b594c6 2336 if (seek_by_bytes) {
899681cd 2337 pos = url_ftell(cur_stream->ic->pb);
94b594c6
SH
2338 if (cur_stream->ic->bit_rate)
2339 incr *= cur_stream->ic->bit_rate / 60.0;
2340 else
2341 incr *= 180000.0;
2342 pos += incr;
2343 stream_seek(cur_stream, pos, incr);
2344 } else {
2345 pos = get_master_clock(cur_stream);
2346 pos += incr;
4ed29207 2347 stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE));
94b594c6 2348 }
72ea344b
FB
2349 }
2350 break;
01310af2
FB
2351 default:
2352 break;
2353 }
2354 break;
a11d11aa 2355 case SDL_MOUSEBUTTONDOWN:
bb270c08
DB
2356 if (cur_stream) {
2357 int ns, hh, mm, ss;
2358 int tns, thh, tmm, tss;
2359 tns = cur_stream->ic->duration/1000000LL;
2360 thh = tns/3600;
2361 tmm = (tns%3600)/60;
2362 tss = (tns%60);
2363 frac = (double)event.button.x/(double)cur_stream->width;
2364 ns = frac*tns;
2365 hh = ns/3600;
2366 mm = (ns%3600)/60;
2367 ss = (ns%60);
2368 fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
2369 hh, mm, ss, thh, tmm, tss);
2370 stream_seek(cur_stream, (int64_t)(cur_stream->ic->start_time+frac*cur_stream->ic->duration), 0);
2371 }
2372 break;
01310af2
FB
2373 case SDL_VIDEORESIZE:
2374 if (cur_stream) {
115329f1 2375 screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
01310af2 2376 SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
c57d3469
MN
2377 screen_width = cur_stream->width = event.resize.w;
2378 screen_height= cur_stream->height= event.resize.h;
01310af2
FB
2379 }
2380 break;
2381 case SDL_QUIT:
638c9d91 2382 case FF_QUIT_EVENT:
01310af2
FB
2383 do_exit();
2384 break;
2385 case FF_ALLOC_EVENT:
fccb19e3 2386 video_open(event.user.data1);
01310af2
FB
2387 alloc_picture(event.user.data1);
2388 break;
2389 case FF_REFRESH_EVENT:
2390 video_refresh_timer(event.user.data1);
2391 break;
2392 default:
2393 break;
2394 }
2395 }
2396}
2397
e4b89522
LW
2398static void opt_frame_size(const char *arg)
2399{
b33ece16 2400 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
e4b89522
LW
2401 fprintf(stderr, "Incorrect frame size\n");
2402 exit(1);
2403 }
2404 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2405 fprintf(stderr, "Frame size must be a multiple of 2\n");
2406 exit(1);
2407 }
2408}
2409
a5b3b5f6 2410static int opt_width(const char *opt, const char *arg)
01310af2 2411{
a5b3b5f6
SS
2412 screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2413 return 0;
01310af2
FB
2414}
2415
a5b3b5f6 2416static int opt_height(const char *opt, const char *arg)
01310af2 2417{
a5b3b5f6
SS
2418 screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2419 return 0;
01310af2
FB
2420}
2421
2422static void opt_format(const char *arg)
2423{
2424 file_iformat = av_find_input_format(arg);
2425 if (!file_iformat) {
2426 fprintf(stderr, "Unknown input format: %s\n", arg);
2427 exit(1);
2428 }
2429}
61890b02 2430
e4b89522
LW
2431static void opt_frame_pix_fmt(const char *arg)
2432{
2433 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2434}
2435
b81d6235 2436static int opt_sync(const char *opt, const char *arg)
638c9d91
FB
2437{
2438 if (!strcmp(arg, "audio"))
2439 av_sync_type = AV_SYNC_AUDIO_MASTER;
2440 else if (!strcmp(arg, "video"))
2441 av_sync_type = AV_SYNC_VIDEO_MASTER;
2442 else if (!strcmp(arg, "ext"))
2443 av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
aab1b7e5 2444 else {
b81d6235 2445 fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
aab1b7e5
SS
2446 exit(1);
2447 }
b81d6235 2448 return 0;
638c9d91
FB
2449}
2450
e11bc2c6 2451static int opt_seek(const char *opt, const char *arg)
72ea344b 2452{
e11bc2c6
SS
2453 start_time = parse_time_or_die(opt, arg, 1);
2454 return 0;
72ea344b
FB
2455}
2456
a5b3b5f6 2457static int opt_debug(const char *opt, const char *arg)
e26a8335 2458{
a309073b 2459 av_log_set_level(99);
a5b3b5f6
SS
2460 debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2461 return 0;
e26a8335 2462}
115329f1 2463
a5b3b5f6 2464static int opt_vismv(const char *opt, const char *arg)
0c9bbaec 2465{
a5b3b5f6
SS
2466 debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2467 return 0;
0c9bbaec 2468}
c62c07d3 2469
a5b3b5f6 2470static int opt_thread_count(const char *opt, const char *arg)
c62c07d3 2471{
a5b3b5f6 2472 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
b250f9c6 2473#if !HAVE_THREADS
c62c07d3
MN
2474 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2475#endif
a5b3b5f6 2476 return 0;
c62c07d3 2477}
115329f1 2478
358061f6 2479static const OptionDef options[] = {
20176cbc
MN
2480 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
2481 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
8fdea204 2482 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
a28b7ed4 2483 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
a5b3b5f6
SS
2484 { "x", HAS_ARG | OPT_FUNC2, {(void*)opt_width}, "force displayed width", "width" },
2485 { "y", HAS_ARG | OPT_FUNC2, {(void*)opt_height}, "force displayed height", "height" },
e4b89522 2486 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
638c9d91 2487 { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
01310af2
FB
2488 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2489 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
4b037567
SS
2490 { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_audio_stream}, "select desired audio stream", "stream_number" },
2491 { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_video_stream}, "select desired video stream", "stream_number" },
2492 { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_subtitle_stream}, "select desired subtitle stream", "stream_number" },
e11bc2c6 2493 { "ss", HAS_ARG | OPT_FUNC2, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
94b594c6 2494 { "bytes", OPT_BOOL, {(void*)&seek_by_bytes}, "seek by bytes" },
01310af2
FB
2495 { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
2496 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
e4b89522 2497 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
01310af2 2498 { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
a5b3b5f6 2499 { "debug", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
6387c3e6 2500 { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
a5b3b5f6 2501 { "vismv", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
6fc5b059 2502 { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
30bc6613 2503 { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
5039185a 2504 { "drp", OPT_BOOL |OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts", ""},
178fcca8 2505 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
8c3eba7c
MN
2506 { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
2507 { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
2508 { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
178fcca8 2509 { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
047599a4 2510 { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)", "threshold" },
1b51e051 2511 { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
b81d6235 2512 { "sync", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
a5b3b5f6 2513 { "threads", HAS_ARG | OPT_FUNC2 | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
e43d7a18 2514 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
01310af2
FB
2515 { NULL, },
2516};
2517
358061f6 2518static void show_help(void)
01310af2 2519{
9c5755ee 2520 printf("usage: ffplay [options] input_file\n"
01310af2
FB
2521 "Simple media player\n");
2522 printf("\n");
02d504a7
FB
2523 show_help_options(options, "Main options:\n",
2524 OPT_EXPERT, 0);
2525 show_help_options(options, "\nAdvanced options:\n",
2526 OPT_EXPERT, OPT_EXPERT);
01310af2
FB
2527 printf("\nWhile playing:\n"
2528 "q, ESC quit\n"
2529 "f toggle full screen\n"
2530 "p, SPC pause\n"
638c9d91
FB
2531 "a cycle audio channel\n"
2532 "v cycle video channel\n"
72ce053b 2533 "t cycle subtitle channel\n"
638c9d91 2534 "w show audio waves\n"
72ea344b
FB
2535 "left/right seek backward/forward 10 seconds\n"
2536 "down/up seek backward/forward 1 minute\n"
a11d11aa 2537 "mouse click seek to percentage in file corresponding to fraction of width\n"
01310af2 2538 );
01310af2
FB
2539}
2540
358061f6 2541static void opt_input_file(const char *filename)
01310af2 2542{
e8d83e1c 2543 if (!strcmp(filename, "-"))
9fcfc0b7 2544 filename = "pipe:";
01310af2
FB
2545 input_filename = filename;
2546}
2547
2548/* Called from the main */
2549int main(int argc, char **argv)
2550{
e43d7a18 2551 int flags, i;
115329f1 2552
01310af2 2553 /* register all codecs, demux and protocols */
c721d803
LA
2554 avcodec_register_all();
2555 avdevice_register_all();
01310af2
FB
2556 av_register_all();
2557
e43d7a18 2558 for(i=0; i<CODEC_TYPE_NB; i++){
636f1c4c 2559 avcodec_opts[i]= avcodec_alloc_context2(i);
e43d7a18 2560 }
8e2fd8e1 2561 avformat_opts = avformat_alloc_context();
e43d7a18
MN
2562 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
2563
ea9c581f 2564 show_banner();
4cfac5bc 2565
f5da5c93 2566 parse_options(argc, argv, options, opt_input_file);
01310af2 2567
aab1b7e5 2568 if (!input_filename) {
7a7da6b4 2569 fprintf(stderr, "An input file must be specified\n");
aab1b7e5
SS
2570 exit(1);
2571 }
01310af2
FB
2572
2573 if (display_disable) {
2574 video_disable = 1;
2575 }
31319a8c 2576 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
c97f5402
DB
2577#if !defined(__MINGW32__) && !defined(__APPLE__)
2578 flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
31319a8c 2579#endif
01310af2 2580 if (SDL_Init (flags)) {
05ab0b76 2581 fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
01310af2
FB
2582 exit(1);
2583 }
2584
2585 if (!display_disable) {
b250f9c6 2586#if HAVE_SDL_VIDEO_SIZE
3ef17d62
MR
2587 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
2588 fs_screen_width = vi->current_w;
2589 fs_screen_height = vi->current_h;
29f3b38a 2590#endif
01310af2
FB
2591 }
2592
2593 SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
2594 SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
2595 SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
2596 SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
2597
39c6a118
MN
2598 av_init_packet(&flush_pkt);
2599 flush_pkt.data= "FLUSH";
2600
638c9d91 2601 cur_stream = stream_open(input_filename, file_iformat);
01310af2
FB
2602
2603 event_loop();
2604
2605 /* never returns */
2606
2607 return 0;
2608}