build: move tests/seek_test.c to libavformat and reuse generic build rules
[libav.git] / ffplay.c
CommitLineData
01310af2 1/*
89b503b5 2 * ffplay : Simple Media Player based on the Libav libraries
01310af2
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3 * Copyright (c) 2003 Fabrice Bellard
4 *
2912e87a 5 * This file is part of Libav.
b78e7197 6 *
2912e87a 7 * Libav is free software; you can redistribute it and/or
01310af2
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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 *
2912e87a 12 * Libav 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
2912e87a 18 * License along with Libav; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
01310af2 20 */
364a9607 21
ba11257e 22#include "config.h"
8a3ceaf4 23#include <inttypes.h>
0f4e8165
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24#include <math.h>
25#include <limits.h>
245976da 26#include "libavutil/avstring.h"
2b4abbd6 27#include "libavutil/colorspace.h"
0ebcdf5c 28#include "libavutil/mathematics.h"
718c7b18 29#include "libavutil/pixdesc.h"
737eb597 30#include "libavutil/imgutils.h"
d0e142bb 31#include "libavutil/dict.h"
737eb597
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32#include "libavutil/parseutils.h"
33#include "libavutil/samplefmt.h"
245976da 34#include "libavformat/avformat.h"
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35#include "libavdevice/avdevice.h"
36#include "libswscale/swscale.h"
5a4476e2 37#include "libavcodec/audioconvert.h"
41d0eb1c 38#include "libavutil/opt.h"
166621ab 39#include "libavcodec/avfft.h"
01310af2 40
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41#if CONFIG_AVFILTER
42# include "libavfilter/avfilter.h"
43# include "libavfilter/avfiltergraph.h"
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44#endif
45
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46#include "cmdutils.h"
47
48#include <SDL.h>
49#include <SDL_thread.h>
50
2f30a81d 51#ifdef __MINGW32__
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52#undef main /* We don't want SDL to override our main() */
53#endif
54
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55#include <unistd.h>
56#include <assert.h>
57
89b503b5 58const char program_name[] = "ffplay";
ea9c581f 59const int program_birth_year = 2003;
4cfac5bc 60
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61#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
62#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
63#define MIN_FRAMES 5
01310af2 64
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65/* SDL audio buffer size, in samples. Should be small to have precise
66 A/V sync as SDL does not have hardware buffer fullness info. */
67#define SDL_AUDIO_BUFFER_SIZE 1024
68
69/* no AV sync correction is done if below the AV sync threshold */
7e0140cb 70#define AV_SYNC_THRESHOLD 0.01
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71/* no AV correction is done if too big error */
72#define AV_NOSYNC_THRESHOLD 10.0
73
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74#define FRAME_SKIP_FACTOR 0.05
75
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76/* maximum audio speed change to get correct sync */
77#define SAMPLE_CORRECTION_PERCENT_MAX 10
78
79/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
80#define AUDIO_DIFF_AVG_NB 20
81
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82/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
83#define SAMPLE_ARRAY_SIZE (2*65536)
84
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85static int sws_flags = SWS_BICUBIC;
86
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87typedef struct PacketQueue {
88 AVPacketList *first_pkt, *last_pkt;
89 int nb_packets;
90 int size;
91 int abort_request;
92 SDL_mutex *mutex;
93 SDL_cond *cond;
94} PacketQueue;
95
562f382c 96#define VIDEO_PICTURE_QUEUE_SIZE 2
72ce053b 97#define SUBPICTURE_QUEUE_SIZE 4
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98
99typedef struct VideoPicture {
267e9dfa 100 double pts; ///<presentation time stamp for this picture
d38c9e7a 101 double target_clock; ///<av_gettime() time at which this should be displayed ideally
1a620dd7 102 int64_t pos; ///<byte position in file
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103 SDL_Overlay *bmp;
104 int width, height; /* source height & width */
105 int allocated;
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106 enum PixelFormat pix_fmt;
107
108#if CONFIG_AVFILTER
ecc8dada 109 AVFilterBufferRef *picref;
917d2bb3 110#endif
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111} VideoPicture;
112
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113typedef struct SubPicture {
114 double pts; /* presentation time stamp for this picture */
115 AVSubtitle sub;
116} SubPicture;
117
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118enum {
119 AV_SYNC_AUDIO_MASTER, /* default choice */
120 AV_SYNC_VIDEO_MASTER,
638c9d91 121 AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
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122};
123
124typedef struct VideoState {
125 SDL_Thread *parse_tid;
126 SDL_Thread *video_tid;
d38c9e7a 127 SDL_Thread *refresh_tid;
638c9d91 128 AVInputFormat *iformat;
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129 int no_background;
130 int abort_request;
131 int paused;
416e3508 132 int last_paused;
72ea344b 133 int seek_req;
3ba1438d 134 int seek_flags;
72ea344b 135 int64_t seek_pos;
4ed29207 136 int64_t seek_rel;
f5668147 137 int read_pause_return;
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138 AVFormatContext *ic;
139 int dtg_active_format;
140
141 int audio_stream;
115329f1 142
01310af2 143 int av_sync_type;
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144 double external_clock; /* external clock base */
145 int64_t external_clock_time;
115329f1 146
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147 double audio_clock;
148 double audio_diff_cum; /* used for AV difference average computation */
149 double audio_diff_avg_coef;
150 double audio_diff_threshold;
151 int audio_diff_avg_count;
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152 AVStream *audio_st;
153 PacketQueue audioq;
154 int audio_hw_buf_size;
155 /* samples output by the codec. we reserve more space for avsync
156 compensation */
c6727809
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157 DECLARE_ALIGNED(16,uint8_t,audio_buf1)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
158 DECLARE_ALIGNED(16,uint8_t,audio_buf2)[(AVCODEC_MAX_AUDIO_FRAME_SIZE * 3) / 2];
5a4476e2 159 uint8_t *audio_buf;
7fea94ce 160 unsigned int audio_buf_size; /* in bytes */
01310af2 161 int audio_buf_index; /* in bytes */
bea18375 162 AVPacket audio_pkt_temp;
01310af2 163 AVPacket audio_pkt;
5d6e4c16 164 enum AVSampleFormat audio_src_fmt;
5a4476e2 165 AVAudioConvert *reformat_ctx;
115329f1 166
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167 int show_audio; /* if true, display audio samples */
168 int16_t sample_array[SAMPLE_ARRAY_SIZE];
169 int sample_array_index;
5e0257e3 170 int last_i_start;
166621ab 171 RDFTContext *rdft;
12eeda34 172 int rdft_bits;
7dbbf6a1 173 FFTSample *rdft_data;
12eeda34 174 int xpos;
115329f1 175
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IC
176 SDL_Thread *subtitle_tid;
177 int subtitle_stream;
178 int subtitle_stream_changed;
179 AVStream *subtitle_st;
180 PacketQueue subtitleq;
181 SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
182 int subpq_size, subpq_rindex, subpq_windex;
183 SDL_mutex *subpq_mutex;
184 SDL_cond *subpq_cond;
115329f1 185
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186 double frame_timer;
187 double frame_last_pts;
188 double frame_last_delay;
115329f1 189 double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame
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190 int video_stream;
191 AVStream *video_st;
192 PacketQueue videoq;
267e9dfa 193 double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
68aefbe8 194 double video_current_pts_drift; ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
1a620dd7 195 int64_t video_current_pos; ///<current displayed file pos
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196 VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
197 int pictq_size, pictq_rindex, pictq_windex;
198 SDL_mutex *pictq_mutex;
199 SDL_cond *pictq_cond;
917d2bb3 200#if !CONFIG_AVFILTER
3ac56e28 201 struct SwsContext *img_convert_ctx;
917d2bb3 202#endif
115329f1 203
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204 // QETimer *video_timer;
205 char filename[1024];
206 int width, height, xleft, ytop;
41db429d 207
7a8bfa5d 208 PtsCorrectionContext pts_ctx;
41db429d 209
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210#if CONFIG_AVFILTER
211 AVFilterContext *out_video_filter; ///<the last filter in the video chain
212#endif
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213
214 float skip_frames;
215 float skip_frames_index;
216 int refresh;
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217} VideoState;
218
358061f6 219static void show_help(void);
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220
221/* options specified by the user */
222static AVInputFormat *file_iformat;
223static const char *input_filename;
076db5ed 224static const char *window_title;
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225static int fs_screen_width;
226static int fs_screen_height;
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227static int screen_width = 0;
228static int screen_height = 0;
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229static int frame_width = 0;
230static int frame_height = 0;
231static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
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232static int audio_disable;
233static int video_disable;
72415b2a
SS
234static int wanted_stream[AVMEDIA_TYPE_NB]={
235 [AVMEDIA_TYPE_AUDIO]=-1,
236 [AVMEDIA_TYPE_VIDEO]=-1,
237 [AVMEDIA_TYPE_SUBTITLE]=-1,
5b369983 238};
70a4764d 239static int seek_by_bytes=-1;
01310af2 240static int display_disable;
1e1a0b18 241static int show_status = 1;
638c9d91 242static int av_sync_type = AV_SYNC_AUDIO_MASTER;
72ea344b 243static int64_t start_time = AV_NOPTS_VALUE;
d834d63b 244static int64_t duration = AV_NOPTS_VALUE;
e26a8335 245static int debug = 0;
0c9bbaec 246static int debug_mv = 0;
bba04f1e 247static int step = 0;
c62c07d3 248static int thread_count = 1;
6387c3e6 249static int workaround_bugs = 1;
6fc5b059 250static int fast = 0;
30bc6613 251static int genpts = 0;
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252static int lowres = 0;
253static int idct = FF_IDCT_AUTO;
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254static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
255static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
256static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
047599a4 257static int error_recognition = FF_ER_CAREFUL;
1b51e051 258static int error_concealment = 3;
41db429d 259static int decoder_reorder_pts= -1;
2d1653b0 260static int autoexit;
066ce8c9
AS
261static int exit_on_keydown;
262static int exit_on_mousedown;
1922c0a7 263static int loop=1;
d38c9e7a 264static int framedrop=1;
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265
266static int rdftspeed=20;
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267#if CONFIG_AVFILTER
268static char *vfilters = NULL;
269#endif
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270
271/* current context */
272static int is_full_screen;
273static VideoState *cur_stream;
5e0257e3 274static int64_t audio_callback_time;
01310af2 275
2c676c33 276static AVPacket flush_pkt;
39c6a118 277
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278#define FF_ALLOC_EVENT (SDL_USEREVENT)
279#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
638c9d91 280#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
01310af2 281
2c676c33 282static SDL_Surface *screen;
01310af2 283
515bd00e
MN
284static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
285
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286/* packet queue handling */
287static void packet_queue_init(PacketQueue *q)
288{
289 memset(q, 0, sizeof(PacketQueue));
290 q->mutex = SDL_CreateMutex();
291 q->cond = SDL_CreateCond();
515bd00e 292 packet_queue_put(q, &flush_pkt);
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293}
294
72ea344b 295static void packet_queue_flush(PacketQueue *q)
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296{
297 AVPacketList *pkt, *pkt1;
298
687fae2b 299 SDL_LockMutex(q->mutex);
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300 for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
301 pkt1 = pkt->next;
302 av_free_packet(&pkt->pkt);
da6c4573 303 av_freep(&pkt);
01310af2 304 }
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305 q->last_pkt = NULL;
306 q->first_pkt = NULL;
307 q->nb_packets = 0;
308 q->size = 0;
687fae2b 309 SDL_UnlockMutex(q->mutex);
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310}
311
312static void packet_queue_end(PacketQueue *q)
313{
314 packet_queue_flush(q);
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315 SDL_DestroyMutex(q->mutex);
316 SDL_DestroyCond(q->cond);
317}
318
319static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
320{
321 AVPacketList *pkt1;
322
72ea344b 323 /* duplicate the packet */
39c6a118 324 if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
72ea344b 325 return -1;
115329f1 326
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327 pkt1 = av_malloc(sizeof(AVPacketList));
328 if (!pkt1)
329 return -1;
330 pkt1->pkt = *pkt;
331 pkt1->next = NULL;
332
72ea344b 333
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334 SDL_LockMutex(q->mutex);
335
336 if (!q->last_pkt)
337
338 q->first_pkt = pkt1;
339 else
340 q->last_pkt->next = pkt1;
341 q->last_pkt = pkt1;
342 q->nb_packets++;
7b776589 343 q->size += pkt1->pkt.size + sizeof(*pkt1);
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344 /* XXX: should duplicate packet data in DV case */
345 SDL_CondSignal(q->cond);
346
347 SDL_UnlockMutex(q->mutex);
348 return 0;
349}
350
351static void packet_queue_abort(PacketQueue *q)
352{
353 SDL_LockMutex(q->mutex);
354
355 q->abort_request = 1;
115329f1 356
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357 SDL_CondSignal(q->cond);
358
359 SDL_UnlockMutex(q->mutex);
360}
361
362/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
363static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
364{
365 AVPacketList *pkt1;
366 int ret;
367
368 SDL_LockMutex(q->mutex);
369
370 for(;;) {
371 if (q->abort_request) {
372 ret = -1;
373 break;
374 }
115329f1 375
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376 pkt1 = q->first_pkt;
377 if (pkt1) {
378 q->first_pkt = pkt1->next;
379 if (!q->first_pkt)
380 q->last_pkt = NULL;
381 q->nb_packets--;
7b776589 382 q->size -= pkt1->pkt.size + sizeof(*pkt1);
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383 *pkt = pkt1->pkt;
384 av_free(pkt1);
385 ret = 1;
386 break;
387 } else if (!block) {
388 ret = 0;
389 break;
390 } else {
391 SDL_CondWait(q->cond, q->mutex);
392 }
393 }
394 SDL_UnlockMutex(q->mutex);
395 return ret;
396}
397
115329f1 398static inline void fill_rectangle(SDL_Surface *screen,
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399 int x, int y, int w, int h, int color)
400{
401 SDL_Rect rect;
402 rect.x = x;
403 rect.y = y;
404 rect.w = w;
405 rect.h = h;
406 SDL_FillRect(screen, &rect, color);
407}
408
72ce053b
IC
409#define ALPHA_BLEND(a, oldp, newp, s)\
410((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
411
412#define RGBA_IN(r, g, b, a, s)\
413{\
414 unsigned int v = ((const uint32_t *)(s))[0];\
415 a = (v >> 24) & 0xff;\
416 r = (v >> 16) & 0xff;\
417 g = (v >> 8) & 0xff;\
418 b = v & 0xff;\
419}
420
421#define YUVA_IN(y, u, v, a, s, pal)\
422{\
57cf99f2 423 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
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IC
424 a = (val >> 24) & 0xff;\
425 y = (val >> 16) & 0xff;\
426 u = (val >> 8) & 0xff;\
427 v = val & 0xff;\
428}
429
430#define YUVA_OUT(d, y, u, v, a)\
431{\
432 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
433}
434
435
436#define BPP 1
437
0a8cd696 438static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
72ce053b
IC
439{
440 int wrap, wrap3, width2, skip2;
441 int y, u, v, a, u1, v1, a1, w, h;
442 uint8_t *lum, *cb, *cr;
443 const uint8_t *p;
444 const uint32_t *pal;
9cb5a11e
RD
445 int dstx, dsty, dstw, dsth;
446
7cf9c6ae
MN
447 dstw = av_clip(rect->w, 0, imgw);
448 dsth = av_clip(rect->h, 0, imgh);
449 dstx = av_clip(rect->x, 0, imgw - dstw);
450 dsty = av_clip(rect->y, 0, imgh - dsth);
9cb5a11e
RD
451 lum = dst->data[0] + dsty * dst->linesize[0];
452 cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
453 cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
454
f54b31b9 455 width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
9cb5a11e 456 skip2 = dstx >> 1;
72ce053b 457 wrap = dst->linesize[0];
25b4c651
MN
458 wrap3 = rect->pict.linesize[0];
459 p = rect->pict.data[0];
460 pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
115329f1 461
9cb5a11e
RD
462 if (dsty & 1) {
463 lum += dstx;
72ce053b
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464 cb += skip2;
465 cr += skip2;
115329f1 466
9cb5a11e 467 if (dstx & 1) {
72ce053b
IC
468 YUVA_IN(y, u, v, a, p, pal);
469 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
470 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
471 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
472 cb++;
473 cr++;
474 lum++;
475 p += BPP;
476 }
9cb5a11e 477 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC
478 YUVA_IN(y, u, v, a, p, pal);
479 u1 = u;
480 v1 = v;
481 a1 = a;
482 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
483
484 YUVA_IN(y, u, v, a, p + BPP, pal);
485 u1 += u;
486 v1 += v;
487 a1 += a;
488 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
489 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
490 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
491 cb++;
492 cr++;
493 p += 2 * BPP;
494 lum += 2;
495 }
496 if (w) {
497 YUVA_IN(y, u, v, a, p, pal);
498 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
499 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
500 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
676ef505
BA
501 p++;
502 lum++;
72ce053b 503 }
4606a059
BA
504 p += wrap3 - dstw * BPP;
505 lum += wrap - dstw - dstx;
72ce053b
IC
506 cb += dst->linesize[1] - width2 - skip2;
507 cr += dst->linesize[2] - width2 - skip2;
508 }
9cb5a11e
RD
509 for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
510 lum += dstx;
72ce053b
IC
511 cb += skip2;
512 cr += skip2;
115329f1 513
9cb5a11e 514 if (dstx & 1) {
72ce053b
IC
515 YUVA_IN(y, u, v, a, p, pal);
516 u1 = u;
517 v1 = v;
518 a1 = a;
519 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
520 p += wrap3;
521 lum += wrap;
522 YUVA_IN(y, u, v, a, p, pal);
523 u1 += u;
524 v1 += v;
525 a1 += a;
526 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
527 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
528 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
529 cb++;
530 cr++;
531 p += -wrap3 + BPP;
532 lum += -wrap + 1;
533 }
9cb5a11e 534 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC
535 YUVA_IN(y, u, v, a, p, pal);
536 u1 = u;
537 v1 = v;
538 a1 = a;
539 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
540
f8ca63e8 541 YUVA_IN(y, u, v, a, p + BPP, pal);
72ce053b
IC
542 u1 += u;
543 v1 += v;
544 a1 += a;
545 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
546 p += wrap3;
547 lum += wrap;
548
549 YUVA_IN(y, u, v, a, p, pal);
550 u1 += u;
551 v1 += v;
552 a1 += a;
553 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
554
f8ca63e8 555 YUVA_IN(y, u, v, a, p + BPP, pal);
72ce053b
IC
556 u1 += u;
557 v1 += v;
558 a1 += a;
559 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
560
561 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
562 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
563
564 cb++;
565 cr++;
566 p += -wrap3 + 2 * BPP;
567 lum += -wrap + 2;
568 }
569 if (w) {
570 YUVA_IN(y, u, v, a, p, pal);
571 u1 = u;
572 v1 = v;
573 a1 = a;
574 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
575 p += wrap3;
576 lum += wrap;
577 YUVA_IN(y, u, v, a, p, pal);
578 u1 += u;
579 v1 += v;
580 a1 += a;
581 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
582 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
583 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
584 cb++;
585 cr++;
586 p += -wrap3 + BPP;
587 lum += -wrap + 1;
588 }
9cb5a11e
RD
589 p += wrap3 + (wrap3 - dstw * BPP);
590 lum += wrap + (wrap - dstw - dstx);
72ce053b
IC
591 cb += dst->linesize[1] - width2 - skip2;
592 cr += dst->linesize[2] - width2 - skip2;
593 }
594 /* handle odd height */
595 if (h) {
9cb5a11e 596 lum += dstx;
72ce053b
IC
597 cb += skip2;
598 cr += skip2;
115329f1 599
9cb5a11e 600 if (dstx & 1) {
72ce053b
IC
601 YUVA_IN(y, u, v, a, p, pal);
602 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
603 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
604 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
605 cb++;
606 cr++;
607 lum++;
608 p += BPP;
609 }
9cb5a11e 610 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC
611 YUVA_IN(y, u, v, a, p, pal);
612 u1 = u;
613 v1 = v;
614 a1 = a;
615 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
616
617 YUVA_IN(y, u, v, a, p + BPP, pal);
618 u1 += u;
619 v1 += v;
620 a1 += a;
621 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
622 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
623 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
624 cb++;
625 cr++;
626 p += 2 * BPP;
627 lum += 2;
628 }
629 if (w) {
630 YUVA_IN(y, u, v, a, p, pal);
631 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
632 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
633 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
634 }
635 }
636}
637
638static void free_subpicture(SubPicture *sp)
639{
e1d7c883 640 avsubtitle_free(&sp->sub);
72ce053b
IC
641}
642
01310af2
FB
643static void video_image_display(VideoState *is)
644{
645 VideoPicture *vp;
72ce053b
IC
646 SubPicture *sp;
647 AVPicture pict;
01310af2
FB
648 float aspect_ratio;
649 int width, height, x, y;
650 SDL_Rect rect;
72ce053b 651 int i;
01310af2
FB
652
653 vp = &is->pictq[is->pictq_rindex];
654 if (vp->bmp) {
917d2bb3 655#if CONFIG_AVFILTER
cc80caff 656 if (vp->picref->video->pixel_aspect.num == 0)
917d2bb3
MN
657 aspect_ratio = 0;
658 else
cc80caff 659 aspect_ratio = av_q2d(vp->picref->video->pixel_aspect);
917d2bb3
MN
660#else
661
01310af2 662 /* XXX: use variable in the frame */
c30a4489
AJ
663 if (is->video_st->sample_aspect_ratio.num)
664 aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
665 else if (is->video_st->codec->sample_aspect_ratio.num)
666 aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
72ea344b 667 else
c30a4489 668 aspect_ratio = 0;
917d2bb3 669#endif
01310af2 670 if (aspect_ratio <= 0.0)
c30a4489 671 aspect_ratio = 1.0;
917d2bb3 672 aspect_ratio *= (float)vp->width / (float)vp->height;
01310af2 673
72ce053b
IC
674 if (is->subtitle_st)
675 {
676 if (is->subpq_size > 0)
677 {
678 sp = &is->subpq[is->subpq_rindex];
679
680 if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
681 {
682 SDL_LockYUVOverlay (vp->bmp);
683
684 pict.data[0] = vp->bmp->pixels[0];
685 pict.data[1] = vp->bmp->pixels[2];
686 pict.data[2] = vp->bmp->pixels[1];
687
688 pict.linesize[0] = vp->bmp->pitches[0];
689 pict.linesize[1] = vp->bmp->pitches[2];
690 pict.linesize[2] = vp->bmp->pitches[1];
691
692 for (i = 0; i < sp->sub.num_rects; i++)
db4fac64 693 blend_subrect(&pict, sp->sub.rects[i],
0a8cd696 694 vp->bmp->w, vp->bmp->h);
72ce053b
IC
695
696 SDL_UnlockYUVOverlay (vp->bmp);
697 }
698 }
699 }
700
701
01310af2
FB
702 /* XXX: we suppose the screen has a 1.0 pixel ratio */
703 height = is->height;
bb6c34e5 704 width = ((int)rint(height * aspect_ratio)) & ~1;
01310af2
FB
705 if (width > is->width) {
706 width = is->width;
bb6c34e5 707 height = ((int)rint(width / aspect_ratio)) & ~1;
01310af2
FB
708 }
709 x = (is->width - width) / 2;
710 y = (is->height - height) / 2;
6c6c976f 711 is->no_background = 0;
01310af2 712 rect.x = is->xleft + x;
2f6547fb 713 rect.y = is->ytop + y;
01310af2
FB
714 rect.w = width;
715 rect.h = height;
716 SDL_DisplayYUVOverlay(vp->bmp, &rect);
01310af2
FB
717 }
718}
719
3a7c9774
SS
720/* get the current audio output buffer size, in samples. With SDL, we
721 cannot have a precise information */
722static int audio_write_get_buf_size(VideoState *is)
723{
724 return is->audio_buf_size - is->audio_buf_index;
725}
726
01310af2
FB
727static inline int compute_mod(int a, int b)
728{
729 a = a % b;
115329f1 730 if (a >= 0)
01310af2
FB
731 return a;
732 else
733 return a + b;
734}
735
736static void video_audio_display(VideoState *s)
737{
738 int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
739 int ch, channels, h, h2, bgcolor, fgcolor;
740 int16_t time_diff;
4c7c7645
MN
741 int rdft_bits, nb_freq;
742
743 for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
744 ;
745 nb_freq= 1<<(rdft_bits-1);
115329f1 746
01310af2 747 /* compute display index : center on currently output samples */
01f4895c 748 channels = s->audio_st->codec->channels;
01310af2 749 nb_display_channels = channels;
5e0257e3 750 if (!s->paused) {
4c7c7645 751 int data_used= s->show_audio==1 ? s->width : (2*nb_freq);
5e0257e3
FB
752 n = 2 * channels;
753 delay = audio_write_get_buf_size(s);
754 delay /= n;
115329f1 755
5e0257e3
FB
756 /* to be more precise, we take into account the time spent since
757 the last buffer computation */
758 if (audio_callback_time) {
759 time_diff = av_gettime() - audio_callback_time;
122dcdcb 760 delay -= (time_diff * s->audio_st->codec->sample_rate) / 1000000;
5e0257e3 761 }
115329f1 762
122dcdcb 763 delay += 2*data_used;
4c7c7645
MN
764 if (delay < data_used)
765 delay = data_used;
ac50bcc8
MN
766
767 i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
12eeda34 768 if(s->show_audio==1){
6c7165c7
JM
769 h= INT_MIN;
770 for(i=0; i<1000; i+=channels){
771 int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
772 int a= s->sample_array[idx];
773 int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
774 int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
775 int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
776 int score= a-d;
777 if(h<score && (b^c)<0){
778 h= score;
779 i_start= idx;
780 }
ac50bcc8
MN
781 }
782 }
783
5e0257e3
FB
784 s->last_i_start = i_start;
785 } else {
786 i_start = s->last_i_start;
01310af2
FB
787 }
788
01310af2 789 bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
12eeda34 790 if(s->show_audio==1){
6c7165c7
JM
791 fill_rectangle(screen,
792 s->xleft, s->ytop, s->width, s->height,
793 bgcolor);
794
795 fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
796
797 /* total height for one channel */
798 h = s->height / nb_display_channels;
799 /* graph height / 2 */
800 h2 = (h * 9) / 20;
801 for(ch = 0;ch < nb_display_channels; ch++) {
802 i = i_start + ch;
803 y1 = s->ytop + ch * h + (h / 2); /* position of center line */
804 for(x = 0; x < s->width; x++) {
805 y = (s->sample_array[i] * h2) >> 15;
806 if (y < 0) {
807 y = -y;
808 ys = y1 - y;
809 } else {
810 ys = y1;
811 }
812 fill_rectangle(screen,
813 s->xleft + x, ys, 1, y,
814 fgcolor);
815 i += channels;
816 if (i >= SAMPLE_ARRAY_SIZE)
817 i -= SAMPLE_ARRAY_SIZE;
01310af2 818 }
01310af2 819 }
01310af2 820
6c7165c7 821 fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
01310af2 822
6c7165c7
JM
823 for(ch = 1;ch < nb_display_channels; ch++) {
824 y = s->ytop + ch * h;
825 fill_rectangle(screen,
826 s->xleft, y, s->width, 1,
827 fgcolor);
828 }
829 SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
12eeda34 830 }else{
12eeda34 831 nb_display_channels= FFMIN(nb_display_channels, 2);
12eeda34 832 if(rdft_bits != s->rdft_bits){
166621ab 833 av_rdft_end(s->rdft);
7dbbf6a1 834 av_free(s->rdft_data);
166621ab 835 s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
12eeda34 836 s->rdft_bits= rdft_bits;
7dbbf6a1 837 s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));
12eeda34 838 }
12eeda34 839 {
7dbbf6a1 840 FFTSample *data[2];
12eeda34 841 for(ch = 0;ch < nb_display_channels; ch++) {
7dbbf6a1 842 data[ch] = s->rdft_data + 2*nb_freq*ch;
12eeda34
MN
843 i = i_start + ch;
844 for(x = 0; x < 2*nb_freq; x++) {
845 double w= (x-nb_freq)*(1.0/nb_freq);
846 data[ch][x]= s->sample_array[i]*(1.0-w*w);
847 i += channels;
848 if (i >= SAMPLE_ARRAY_SIZE)
849 i -= SAMPLE_ARRAY_SIZE;
850 }
166621ab 851 av_rdft_calc(s->rdft, data[ch]);
12eeda34
MN
852 }
853 //least efficient way to do this, we should of course directly access it but its more than fast enough
092421cf 854 for(y=0; y<s->height; y++){
12eeda34
MN
855 double w= 1/sqrt(nb_freq);
856 int a= sqrt(w*sqrt(data[0][2*y+0]*data[0][2*y+0] + data[0][2*y+1]*data[0][2*y+1]));
00f72577
JM
857 int b= (nb_display_channels == 2 ) ? sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0]
858 + data[1][2*y+1]*data[1][2*y+1])) : a;
12eeda34
MN
859 a= FFMIN(a,255);
860 b= FFMIN(b,255);
861 fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
862
863 fill_rectangle(screen,
864 s->xpos, s->height-y, 1, 1,
865 fgcolor);
866 }
867 }
868 SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
869 s->xpos++;
870 if(s->xpos >= s->width)
871 s->xpos= s->xleft;
872 }
01310af2
FB
873}
874
990c8438
MN
875static int video_open(VideoState *is){
876 int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
877 int w,h;
878
fb84155b
MN
879 if(is_full_screen) flags |= SDL_FULLSCREEN;
880 else flags |= SDL_RESIZABLE;
881
990c8438
MN
882 if (is_full_screen && fs_screen_width) {
883 w = fs_screen_width;
884 h = fs_screen_height;
fb84155b
MN
885 } else if(!is_full_screen && screen_width){
886 w = screen_width;
887 h = screen_height;
917d2bb3
MN
888#if CONFIG_AVFILTER
889 }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
890 w = is->out_video_filter->inputs[0]->w;
891 h = is->out_video_filter->inputs[0]->h;
892#else
fb84155b
MN
893 }else if (is->video_st && is->video_st->codec->width){
894 w = is->video_st->codec->width;
895 h = is->video_st->codec->height;
917d2bb3 896#endif
990c8438 897 } else {
fb84155b
MN
898 w = 640;
899 h = 480;
990c8438 900 }
d3d7b12e
MN
901 if(screen && is->width == screen->w && screen->w == w
902 && is->height== screen->h && screen->h == h)
903 return 0;
904
c97f5402 905#ifndef __APPLE__
990c8438
MN
906 screen = SDL_SetVideoMode(w, h, 0, flags);
907#else
908 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
909 screen = SDL_SetVideoMode(w, h, 24, flags);
910#endif
911 if (!screen) {
912 fprintf(stderr, "SDL: could not set video mode - exiting\n");
913 return -1;
914 }
076db5ed
RK
915 if (!window_title)
916 window_title = input_filename;
917 SDL_WM_SetCaption(window_title, window_title);
990c8438
MN
918
919 is->width = screen->w;
920 is->height = screen->h;
921
922 return 0;
923}
8c982c5d 924
01310af2
FB
925/* display the current picture, if any */
926static void video_display(VideoState *is)
927{
8c982c5d
MN
928 if(!screen)
929 video_open(cur_stream);
115329f1 930 if (is->audio_st && is->show_audio)
01310af2
FB
931 video_audio_display(is);
932 else if (is->video_st)
933 video_image_display(is);
934}
935
d38c9e7a 936static int refresh_thread(void *opaque)
01310af2 937{
d38c9e7a
MN
938 VideoState *is= opaque;
939 while(!is->abort_request){
d881a0e8
SS
940 SDL_Event event;
941 event.type = FF_REFRESH_EVENT;
942 event.user.data1 = opaque;
d38c9e7a
MN
943 if(!is->refresh){
944 is->refresh=1;
d881a0e8 945 SDL_PushEvent(&event);
d38c9e7a 946 }
2b3da32f 947 usleep(is->audio_st && is->show_audio ? rdftspeed*1000 : 5000); //FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
d38c9e7a
MN
948 }
949 return 0;
01310af2
FB
950}
951
638c9d91
FB
952/* get the current audio clock value */
953static double get_audio_clock(VideoState *is)
954{
955 double pts;
956 int hw_buf_size, bytes_per_sec;
957 pts = is->audio_clock;
958 hw_buf_size = audio_write_get_buf_size(is);
959 bytes_per_sec = 0;
960 if (is->audio_st) {
115329f1 961 bytes_per_sec = is->audio_st->codec->sample_rate *
01f4895c 962 2 * is->audio_st->codec->channels;
638c9d91
FB
963 }
964 if (bytes_per_sec)
965 pts -= (double)hw_buf_size / bytes_per_sec;
966 return pts;
967}
968
969/* get the current video clock value */
970static double get_video_clock(VideoState *is)
971{
04108619 972 if (is->paused) {
41a4cd0c 973 return is->video_current_pts;
72ea344b 974 } else {
68aefbe8 975 return is->video_current_pts_drift + av_gettime() / 1000000.0;
72ea344b 976 }
638c9d91
FB
977}
978
979/* get the current external clock value */
980static double get_external_clock(VideoState *is)
981{
982 int64_t ti;
983 ti = av_gettime();
984 return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
985}
986
987/* get the current master clock value */
988static double get_master_clock(VideoState *is)
989{
990 double val;
991
72ea344b
FB
992 if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
993 if (is->video_st)
994 val = get_video_clock(is);
995 else
996 val = get_audio_clock(is);
997 } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
998 if (is->audio_st)
999 val = get_audio_clock(is);
1000 else
1001 val = get_video_clock(is);
1002 } else {
638c9d91 1003 val = get_external_clock(is);
72ea344b 1004 }
638c9d91
FB
1005 return val;
1006}
1007
72ea344b 1008/* seek in the stream */
2ef46053 1009static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
72ea344b 1010{
687fae2b
IW
1011 if (!is->seek_req) {
1012 is->seek_pos = pos;
4ed29207 1013 is->seek_rel = rel;
3890dd3a 1014 is->seek_flags &= ~AVSEEK_FLAG_BYTE;
94b594c6
SH
1015 if (seek_by_bytes)
1016 is->seek_flags |= AVSEEK_FLAG_BYTE;
687fae2b
IW
1017 is->seek_req = 1;
1018 }
72ea344b
FB
1019}
1020
1021/* pause or resume the video */
1022static void stream_pause(VideoState *is)
1023{
68aefbe8
MN
1024 if (is->paused) {
1025 is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
f5668147 1026 if(is->read_pause_return != AVERROR(ENOSYS)){
68aefbe8 1027 is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
f5668147 1028 }
68aefbe8 1029 is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
72ea344b 1030 }
68aefbe8 1031 is->paused = !is->paused;
72ea344b
FB
1032}
1033
d38c9e7a 1034static double compute_target_time(double frame_current_pts, VideoState *is)
49410784 1035{
d38c9e7a 1036 double delay, sync_threshold, diff;
49410784
TB
1037
1038 /* compute nominal delay */
1039 delay = frame_current_pts - is->frame_last_pts;
1040 if (delay <= 0 || delay >= 10.0) {
1041 /* if incorrect delay, use previous one */
1042 delay = is->frame_last_delay;
443658fd 1043 } else {
712de377 1044 is->frame_last_delay = delay;
443658fd 1045 }
49410784
TB
1046 is->frame_last_pts = frame_current_pts;
1047
1048 /* update delay to follow master synchronisation source */
1049 if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1050 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1051 /* if video is slave, we try to correct big delays by
1052 duplicating or deleting a frame */
f04c6e35 1053 diff = get_video_clock(is) - get_master_clock(is);
49410784
TB
1054
1055 /* skip or repeat frame. We take into account the
1056 delay to compute the threshold. I still don't know
1057 if it is the best guess */
1058 sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
1059 if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1060 if (diff <= -sync_threshold)
1061 delay = 0;
1062 else if (diff >= sync_threshold)
1063 delay = 2 * delay;
1064 }
1065 }
49410784 1066 is->frame_timer += delay;
8543f0f9
DB
1067
1068 av_dlog(NULL, "video: delay=%0.3f pts=%0.3f A-V=%f\n",
1069 delay, frame_current_pts, -diff);
eecc17a7 1070
d38c9e7a 1071 return is->frame_timer;
49410784
TB
1072}
1073
01310af2
FB
1074/* called to display each frame */
1075static void video_refresh_timer(void *opaque)
1076{
1077 VideoState *is = opaque;
1078 VideoPicture *vp;
638c9d91 1079
72ce053b 1080 SubPicture *sp, *sp2;
01310af2
FB
1081
1082 if (is->video_st) {
d38c9e7a 1083retry:
01310af2 1084 if (is->pictq_size == 0) {
d38c9e7a 1085 //nothing to do, no picture to display in the que
01310af2 1086 } else {
d38c9e7a
MN
1087 double time= av_gettime()/1000000.0;
1088 double next_target;
638c9d91 1089 /* dequeue the picture */
01310af2 1090 vp = &is->pictq[is->pictq_rindex];
638c9d91 1091
d38c9e7a
MN
1092 if(time < vp->target_clock)
1093 return;
638c9d91
FB
1094 /* update current video pts */
1095 is->video_current_pts = vp->pts;
d38c9e7a 1096 is->video_current_pts_drift = is->video_current_pts - time;
a3cc2160 1097 is->video_current_pos = vp->pos;
d38c9e7a
MN
1098 if(is->pictq_size > 1){
1099 VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
1100 assert(nextvp->target_clock >= vp->target_clock);
1101 next_target= nextvp->target_clock;
1102 }else{
1103 next_target= vp->target_clock + is->video_clock - vp->pts; //FIXME pass durations cleanly
1104 }
1105 if(framedrop && time > next_target){
1106 is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR;
1107 if(is->pictq_size > 1 || time > next_target + 0.5){
1108 /* update queue size and signal for next picture */
1109 if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1110 is->pictq_rindex = 0;
1111
1112 SDL_LockMutex(is->pictq_mutex);
1113 is->pictq_size--;
1114 SDL_CondSignal(is->pictq_cond);
1115 SDL_UnlockMutex(is->pictq_mutex);
1116 goto retry;
1117 }
1118 }
638c9d91 1119
72ce053b
IC
1120 if(is->subtitle_st) {
1121 if (is->subtitle_stream_changed) {
1122 SDL_LockMutex(is->subpq_mutex);
115329f1 1123
72ce053b
IC
1124 while (is->subpq_size) {
1125 free_subpicture(&is->subpq[is->subpq_rindex]);
115329f1 1126
72ce053b
IC
1127 /* update queue size and signal for next picture */
1128 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1129 is->subpq_rindex = 0;
115329f1 1130
72ce053b
IC
1131 is->subpq_size--;
1132 }
1133 is->subtitle_stream_changed = 0;
1134
1135 SDL_CondSignal(is->subpq_cond);
1136 SDL_UnlockMutex(is->subpq_mutex);
1137 } else {
1138 if (is->subpq_size > 0) {
1139 sp = &is->subpq[is->subpq_rindex];
1140
1141 if (is->subpq_size > 1)
1142 sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1143 else
1144 sp2 = NULL;
1145
1146 if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1147 || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1148 {
1149 free_subpicture(sp);
1150
1151 /* update queue size and signal for next picture */
1152 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1153 is->subpq_rindex = 0;
1154
1155 SDL_LockMutex(is->subpq_mutex);
1156 is->subpq_size--;
1157 SDL_CondSignal(is->subpq_cond);
1158 SDL_UnlockMutex(is->subpq_mutex);
1159 }
1160 }
1161 }
1162 }
1163
01310af2 1164 /* display picture */
112c4b87 1165 if (!display_disable)
24d13ebc 1166 video_display(is);
115329f1 1167
01310af2
FB
1168 /* update queue size and signal for next picture */
1169 if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1170 is->pictq_rindex = 0;
115329f1 1171
01310af2
FB
1172 SDL_LockMutex(is->pictq_mutex);
1173 is->pictq_size--;
1174 SDL_CondSignal(is->pictq_cond);
1175 SDL_UnlockMutex(is->pictq_mutex);
1176 }
1177 } else if (is->audio_st) {
1178 /* draw the next audio frame */
1179
01310af2
FB
1180 /* if only audio stream, then display the audio bars (better
1181 than nothing, just to test the implementation */
115329f1 1182
01310af2 1183 /* display picture */
112c4b87 1184 if (!display_disable)
24d13ebc 1185 video_display(is);
01310af2
FB
1186 }
1187 if (show_status) {
1188 static int64_t last_time;
1189 int64_t cur_time;
72ce053b 1190 int aqsize, vqsize, sqsize;
638c9d91 1191 double av_diff;
115329f1 1192
01310af2 1193 cur_time = av_gettime();
1e1a0b18 1194 if (!last_time || (cur_time - last_time) >= 30000) {
01310af2
FB
1195 aqsize = 0;
1196 vqsize = 0;
72ce053b 1197 sqsize = 0;
01310af2
FB
1198 if (is->audio_st)
1199 aqsize = is->audioq.size;
1200 if (is->video_st)
1201 vqsize = is->videoq.size;
72ce053b
IC
1202 if (is->subtitle_st)
1203 sqsize = is->subtitleq.size;
638c9d91
FB
1204 av_diff = 0;
1205 if (is->audio_st && is->video_st)
1206 av_diff = get_audio_clock(is) - get_video_clock(is);
382f3a5b 1207 printf("%7.2f A-V:%7.3f s:%3.1f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64" \r",
7a8bfa5d 1208 get_master_clock(is), av_diff, FFMAX(is->skip_frames-1, 0), aqsize / 1024, vqsize / 1024, sqsize, is->pts_ctx.num_faulty_dts, is->pts_ctx.num_faulty_pts);
01310af2
FB
1209 fflush(stdout);
1210 last_time = cur_time;
1211 }
1212 }
1213}
1214
f7b8c814
MS
1215static void stream_close(VideoState *is)
1216{
1217 VideoPicture *vp;
1218 int i;
1219 /* XXX: use a special url_shutdown call to abort parse cleanly */
1220 is->abort_request = 1;
1221 SDL_WaitThread(is->parse_tid, NULL);
1222 SDL_WaitThread(is->refresh_tid, NULL);
1223
1224 /* free all pictures */
1225 for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
1226 vp = &is->pictq[i];
1227#if CONFIG_AVFILTER
1228 if (vp->picref) {
1229 avfilter_unref_buffer(vp->picref);
1230 vp->picref = NULL;
1231 }
1232#endif
1233 if (vp->bmp) {
1234 SDL_FreeYUVOverlay(vp->bmp);
1235 vp->bmp = NULL;
1236 }
1237 }
1238 SDL_DestroyMutex(is->pictq_mutex);
1239 SDL_DestroyCond(is->pictq_cond);
1240 SDL_DestroyMutex(is->subpq_mutex);
1241 SDL_DestroyCond(is->subpq_cond);
1242#if !CONFIG_AVFILTER
1243 if (is->img_convert_ctx)
1244 sws_freeContext(is->img_convert_ctx);
1245#endif
1246 av_free(is);
1247}
1248
1249static void do_exit(void)
1250{
f7b8c814
MS
1251 if (cur_stream) {
1252 stream_close(cur_stream);
1253 cur_stream = NULL;
1254 }
a5c33faa 1255 uninit_opts();
f7b8c814
MS
1256#if CONFIG_AVFILTER
1257 avfilter_uninit();
1258#endif
1259 if (show_status)
1260 printf("\n");
1261 SDL_Quit();
6b6bca64 1262 av_log(NULL, AV_LOG_QUIET, "");
f7b8c814
MS
1263 exit(0);
1264}
1265
01310af2
FB
1266/* allocate a picture (needs to do that in main thread to avoid
1267 potential locking problems */
1268static void alloc_picture(void *opaque)
1269{
1270 VideoState *is = opaque;
1271 VideoPicture *vp;
01310af2
FB
1272
1273 vp = &is->pictq[is->pictq_windex];
1274
1275 if (vp->bmp)
1276 SDL_FreeYUVOverlay(vp->bmp);
1277
917d2bb3
MN
1278#if CONFIG_AVFILTER
1279 if (vp->picref)
7fce481a 1280 avfilter_unref_buffer(vp->picref);
917d2bb3
MN
1281 vp->picref = NULL;
1282
1283 vp->width = is->out_video_filter->inputs[0]->w;
1284 vp->height = is->out_video_filter->inputs[0]->h;
1285 vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1286#else
1287 vp->width = is->video_st->codec->width;
1288 vp->height = is->video_st->codec->height;
1289 vp->pix_fmt = is->video_st->codec->pix_fmt;
1290#endif
1291
1292 vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
115329f1 1293 SDL_YV12_OVERLAY,
61890b02 1294 screen);
cb036f90
MS
1295 if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
1296 /* SDL allocates a buffer smaller than requested if the video
1297 * overlay hardware is unable to support the requested size. */
1298 fprintf(stderr, "Error: the video system does not support an image\n"
aa78a6d6 1299 "size of %dx%d pixels. Try using -lowres or -vf \"scale=w:h\"\n"
cb036f90
MS
1300 "to reduce the image size.\n", vp->width, vp->height );
1301 do_exit();
1302 }
01310af2
FB
1303
1304 SDL_LockMutex(is->pictq_mutex);
1305 vp->allocated = 1;
1306 SDL_CondSignal(is->pictq_cond);
1307 SDL_UnlockMutex(is->pictq_mutex);
1308}
1309
267e9dfa
MN
1310/**
1311 *
1312 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1313 */
1a620dd7 1314static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
01310af2
FB
1315{
1316 VideoPicture *vp;
917d2bb3
MN
1317#if CONFIG_AVFILTER
1318 AVPicture pict_src;
f3876ea4
DB
1319#else
1320 int dst_pix_fmt = PIX_FMT_YUV420P;
917d2bb3 1321#endif
01310af2
FB
1322 /* wait until we have space to put a new picture */
1323 SDL_LockMutex(is->pictq_mutex);
d38c9e7a
MN
1324
1325 if(is->pictq_size>=VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
1326 is->skip_frames= FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0-FRAME_SKIP_FACTOR));
1327
01310af2
FB
1328 while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1329 !is->videoq.abort_request) {
1330 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1331 }
1332 SDL_UnlockMutex(is->pictq_mutex);
115329f1 1333
01310af2
FB
1334 if (is->videoq.abort_request)
1335 return -1;
1336
1337 vp = &is->pictq[is->pictq_windex];
1338
1339 /* alloc or resize hardware picture buffer */
115329f1 1340 if (!vp->bmp ||
917d2bb3
MN
1341#if CONFIG_AVFILTER
1342 vp->width != is->out_video_filter->inputs[0]->w ||
1343 vp->height != is->out_video_filter->inputs[0]->h) {
1344#else
01f4895c
MN
1345 vp->width != is->video_st->codec->width ||
1346 vp->height != is->video_st->codec->height) {
917d2bb3 1347#endif
01310af2
FB
1348 SDL_Event event;
1349
1350 vp->allocated = 0;
1351
1352 /* the allocation must be done in the main thread to avoid
1353 locking problems */
1354 event.type = FF_ALLOC_EVENT;
1355 event.user.data1 = is;
1356 SDL_PushEvent(&event);
115329f1 1357
01310af2
FB
1358 /* wait until the picture is allocated */
1359 SDL_LockMutex(is->pictq_mutex);
1360 while (!vp->allocated && !is->videoq.abort_request) {
1361 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1362 }
1363 SDL_UnlockMutex(is->pictq_mutex);
1364
1365 if (is->videoq.abort_request)
1366 return -1;
1367 }
1368
638c9d91 1369 /* if the frame is not skipped, then display it */
01310af2 1370 if (vp->bmp) {
fbf1b885 1371 AVPicture pict;
917d2bb3
MN
1372#if CONFIG_AVFILTER
1373 if(vp->picref)
7fce481a 1374 avfilter_unref_buffer(vp->picref);
917d2bb3
MN
1375 vp->picref = src_frame->opaque;
1376#endif
fbf1b885 1377
01310af2
FB
1378 /* get a pointer on the bitmap */
1379 SDL_LockYUVOverlay (vp->bmp);
1380
fbf1b885 1381 memset(&pict,0,sizeof(AVPicture));
01310af2
FB
1382 pict.data[0] = vp->bmp->pixels[0];
1383 pict.data[1] = vp->bmp->pixels[2];
1384 pict.data[2] = vp->bmp->pixels[1];
1385
1386 pict.linesize[0] = vp->bmp->pitches[0];
1387 pict.linesize[1] = vp->bmp->pitches[2];
1388 pict.linesize[2] = vp->bmp->pitches[1];
917d2bb3
MN
1389
1390#if CONFIG_AVFILTER
1391 pict_src.data[0] = src_frame->data[0];
1392 pict_src.data[1] = src_frame->data[1];
1393 pict_src.data[2] = src_frame->data[2];
1394
1395 pict_src.linesize[0] = src_frame->linesize[0];
1396 pict_src.linesize[1] = src_frame->linesize[1];
1397 pict_src.linesize[2] = src_frame->linesize[2];
1398
1399 //FIXME use direct rendering
1400 av_picture_copy(&pict, &pict_src,
1401 vp->pix_fmt, vp->width, vp->height);
1402#else
e43d7a18 1403 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3ac56e28 1404 is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
917d2bb3 1405 vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
feb7bc67 1406 dst_pix_fmt, sws_flags, NULL, NULL, NULL);
3ac56e28 1407 if (is->img_convert_ctx == NULL) {
26ba8235
AB
1408 fprintf(stderr, "Cannot initialize the conversion context\n");
1409 exit(1);
1410 }
3ac56e28 1411 sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
917d2bb3
MN
1412 0, vp->height, pict.data, pict.linesize);
1413#endif
01310af2
FB
1414 /* update the bitmap content */
1415 SDL_UnlockYUVOverlay(vp->bmp);
1416
638c9d91 1417 vp->pts = pts;
1a620dd7 1418 vp->pos = pos;
01310af2
FB
1419
1420 /* now we can update the picture count */
1421 if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1422 is->pictq_windex = 0;
1423 SDL_LockMutex(is->pictq_mutex);
d38c9e7a
MN
1424 vp->target_clock= compute_target_time(vp->pts, is);
1425
01310af2
FB
1426 is->pictq_size++;
1427 SDL_UnlockMutex(is->pictq_mutex);
1428 }
638c9d91
FB
1429 return 0;
1430}
1431
115329f1
DB
1432/**
1433 * compute the exact PTS for the picture if it is omitted in the stream
267e9dfa
MN
1434 * @param pts1 the dts of the pkt / pts of the frame
1435 */
1a620dd7 1436static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
638c9d91
FB
1437{
1438 double frame_delay, pts;
115329f1 1439
638c9d91
FB
1440 pts = pts1;
1441
01310af2 1442 if (pts != 0) {
638c9d91 1443 /* update video clock with pts, if present */
01310af2
FB
1444 is->video_clock = pts;
1445 } else {
72ea344b
FB
1446 pts = is->video_clock;
1447 }
1448 /* update video clock for next frame */
01f4895c 1449 frame_delay = av_q2d(is->video_st->codec->time_base);
72ea344b
FB
1450 /* for MPEG2, the frame can be repeated, so we update the
1451 clock accordingly */
267e9dfa 1452 frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
72ea344b 1453 is->video_clock += frame_delay;
638c9d91 1454
1a620dd7 1455 return queue_picture(is, src_frame, pts, pos);
01310af2
FB
1456}
1457
3966a574 1458static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
01310af2 1459{
98704131 1460 int got_picture, i;
01310af2 1461
199c18a7
SS
1462 if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1463 return -1;
6c7d3ead 1464
199c18a7
SS
1465 if (pkt->data == flush_pkt.data) {
1466 avcodec_flush_buffers(is->video_st->codec);
6c7d3ead 1467
199c18a7
SS
1468 SDL_LockMutex(is->pictq_mutex);
1469 //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1470 for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
1471 is->pictq[i].target_clock= 0;
1472 }
1473 while (is->pictq_size && !is->videoq.abort_request) {
1474 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
39c6a118 1475 }
199c18a7
SS
1476 is->video_current_pos = -1;
1477 SDL_UnlockMutex(is->pictq_mutex);
39c6a118 1478
199c18a7
SS
1479 init_pts_correction(&is->pts_ctx);
1480 is->frame_last_pts = AV_NOPTS_VALUE;
1481 is->frame_last_delay = 0;
1482 is->frame_timer = (double)av_gettime() / 1000000.0;
1483 is->skip_frames = 1;
1484 is->skip_frames_index = 0;
1485 return 0;
1486 }
7a8bfa5d 1487
98704131 1488 avcodec_decode_video2(is->video_st->codec, frame, &got_picture, pkt);
199c18a7
SS
1489
1490 if (got_picture) {
1491 if (decoder_reorder_pts == -1) {
6b474953 1492 *pts = guess_correct_pts(&is->pts_ctx, frame->pkt_pts, frame->pkt_dts);
199c18a7 1493 } else if (decoder_reorder_pts) {
28550804 1494 *pts = frame->pkt_pts;
199c18a7 1495 } else {
6b474953 1496 *pts = frame->pkt_dts;
199c18a7
SS
1497 }
1498
1499 if (*pts == AV_NOPTS_VALUE) {
1500 *pts = 0;
99e0b12b 1501 }
41db429d 1502
d38c9e7a
MN
1503 is->skip_frames_index += 1;
1504 if(is->skip_frames_index >= is->skip_frames){
1505 is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
1506 return 1;
1507 }
1508
1509 }
917d2bb3
MN
1510 return 0;
1511}
1512
1513#if CONFIG_AVFILTER
1514typedef struct {
1515 VideoState *is;
1516 AVFrame *frame;
dd0c789b 1517 int use_dr1;
917d2bb3
MN
1518} FilterPriv;
1519
dd0c789b
BB
1520static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
1521{
1522 AVFilterContext *ctx = codec->opaque;
ecc8dada 1523 AVFilterBufferRef *ref;
dd0c789b 1524 int perms = AV_PERM_WRITE;
65929418 1525 int i, w, h, stride[4];
dd0c789b 1526 unsigned edge;
6e3ef511 1527 int pixel_size;
dd0c789b 1528
0ccabeea
MN
1529 if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
1530 perms |= AV_PERM_NEG_LINESIZES;
1531
dd0c789b
BB
1532 if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
1533 if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
1534 if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
1535 if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
1536 }
1537 if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
1538
1539 w = codec->width;
1540 h = codec->height;
1541 avcodec_align_dimensions2(codec, &w, &h, stride);
1542 edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
1543 w += edge << 1;
1544 h += edge << 1;
1545
1546 if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
1547 return -1;
1548
6e3ef511 1549 pixel_size = av_pix_fmt_descriptors[ref->format].comp[0].step_minus1+1;
cc80caff
HM
1550 ref->video->w = codec->width;
1551 ref->video->h = codec->height;
cfb7e6e6 1552 for(i = 0; i < 4; i ++) {
d54e0948
HM
1553 unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
1554 unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
dd0c789b 1555
3635c07b 1556 if (ref->data[i]) {
6e3ef511 1557 ref->data[i] += ((edge * pixel_size) >> hshift) + ((edge * ref->linesize[i]) >> vshift);
3635c07b 1558 }
dd0c789b
BB
1559 pic->data[i] = ref->data[i];
1560 pic->linesize[i] = ref->linesize[i];
1561 }
1562 pic->opaque = ref;
1563 pic->age = INT_MAX;
1564 pic->type = FF_BUFFER_TYPE_USER;
867ab7fb 1565 pic->reordered_opaque = codec->reordered_opaque;
393cbb96
MN
1566 if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1567 else pic->pkt_pts = AV_NOPTS_VALUE;
dd0c789b
BB
1568 return 0;
1569}
1570
1571static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
1572{
1573 memset(pic->data, 0, sizeof(pic->data));
7fce481a 1574 avfilter_unref_buffer(pic->opaque);
dd0c789b
BB
1575}
1576
12bd3c1f
JM
1577static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
1578{
ecc8dada 1579 AVFilterBufferRef *ref = pic->opaque;
12bd3c1f
JM
1580
1581 if (pic->data[0] == NULL) {
1582 pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
1583 return codec->get_buffer(codec, pic);
1584 }
1585
cc80caff 1586 if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
d54e0948 1587 (codec->pix_fmt != ref->format)) {
12bd3c1f
JM
1588 av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
1589 return -1;
1590 }
1591
1592 pic->reordered_opaque = codec->reordered_opaque;
393cbb96
MN
1593 if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1594 else pic->pkt_pts = AV_NOPTS_VALUE;
12bd3c1f
JM
1595 return 0;
1596}
1597
917d2bb3
MN
1598static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1599{
1600 FilterPriv *priv = ctx->priv;
dd0c789b 1601 AVCodecContext *codec;
917d2bb3
MN
1602 if(!opaque) return -1;
1603
1604 priv->is = opaque;
dd0c789b
BB
1605 codec = priv->is->video_st->codec;
1606 codec->opaque = ctx;
1607 if(codec->codec->capabilities & CODEC_CAP_DR1) {
1608 priv->use_dr1 = 1;
1609 codec->get_buffer = input_get_buffer;
1610 codec->release_buffer = input_release_buffer;
12bd3c1f 1611 codec->reget_buffer = input_reget_buffer;
37b00b47 1612 codec->thread_safe_callbacks = 1;
dd0c789b
BB
1613 }
1614
917d2bb3
MN
1615 priv->frame = avcodec_alloc_frame();
1616
1617 return 0;
1618}
1619
1620static void input_uninit(AVFilterContext *ctx)
1621{
1622 FilterPriv *priv = ctx->priv;
1623 av_free(priv->frame);
1624}
1625
1626static int input_request_frame(AVFilterLink *link)
1627{
1628 FilterPriv *priv = link->src->priv;
ecc8dada 1629 AVFilterBufferRef *picref;
3966a574 1630 int64_t pts = 0;
917d2bb3
MN
1631 AVPacket pkt;
1632 int ret;
1633
1634 while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1635 av_free_packet(&pkt);
1636 if (ret < 0)
1637 return -1;
1638
dd0c789b 1639 if(priv->use_dr1) {
7fce481a 1640 picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
dd0c789b 1641 } else {
cf097cbc 1642 picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
34017fd9 1643 av_image_copy(picref->data, picref->linesize,
4afbcf46
SS
1644 priv->frame->data, priv->frame->linesize,
1645 picref->format, link->w, link->h);
dd0c789b 1646 }
917d2bb3
MN
1647 av_free_packet(&pkt);
1648
1649 picref->pts = pts;
bb409513 1650 picref->pos = pkt.pos;
cc80caff 1651 picref->video->pixel_aspect = priv->is->video_st->codec->sample_aspect_ratio;
c41c5b02 1652 avfilter_start_frame(link, picref);
917d2bb3
MN
1653 avfilter_draw_slice(link, 0, link->h, 1);
1654 avfilter_end_frame(link);
917d2bb3
MN
1655
1656 return 0;
1657}
1658
1659static int input_query_formats(AVFilterContext *ctx)
1660{
1661 FilterPriv *priv = ctx->priv;
1662 enum PixelFormat pix_fmts[] = {
1663 priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1664 };
1665
1666 avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
1667 return 0;
1668}
1669
1670static int input_config_props(AVFilterLink *link)
1671{
1672 FilterPriv *priv = link->src->priv;
1673 AVCodecContext *c = priv->is->video_st->codec;
1674
1675 link->w = c->width;
1676 link->h = c->height;
387b4ac9 1677 link->time_base = priv->is->video_st->time_base;
917d2bb3
MN
1678
1679 return 0;
1680}
1681
1682static AVFilter input_filter =
1683{
1684 .name = "ffplay_input",
1685
1686 .priv_size = sizeof(FilterPriv),
1687
1688 .init = input_init,
1689 .uninit = input_uninit,
1690
1691 .query_formats = input_query_formats,
1692
1693 .inputs = (AVFilterPad[]) {{ .name = NULL }},
1694 .outputs = (AVFilterPad[]) {{ .name = "default",
72415b2a 1695 .type = AVMEDIA_TYPE_VIDEO,
917d2bb3
MN
1696 .request_frame = input_request_frame,
1697 .config_props = input_config_props, },
1698 { .name = NULL }},
1699};
1700
75ea596d 1701static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters)
917d2bb3 1702{
3f073fa2 1703 char sws_flags_str[128];
75ea596d 1704 int ret;
f7ead94c 1705 FFSinkContext ffsink_ctx = { .pix_fmt = PIX_FMT_YUV420P };
917d2bb3 1706 AVFilterContext *filt_src = NULL, *filt_out = NULL;
3f073fa2
SS
1707 snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
1708 graph->scale_sws_opts = av_strdup(sws_flags_str);
917d2bb3 1709
75ea596d
SS
1710 if ((ret = avfilter_graph_create_filter(&filt_src, &input_filter, "src",
1711 NULL, is, graph)) < 0)
037be76e 1712 goto the_end;
75ea596d
SS
1713 if ((ret = avfilter_graph_create_filter(&filt_out, &ffsink, "out",
1714 NULL, &ffsink_ctx, graph)) < 0)
037be76e 1715 goto the_end;
917d2bb3
MN
1716
1717 if(vfilters) {
1718 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
1719 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
1720
1721 outputs->name = av_strdup("in");
7313132b 1722 outputs->filter_ctx = filt_src;
917d2bb3
MN
1723 outputs->pad_idx = 0;
1724 outputs->next = NULL;
1725
1726 inputs->name = av_strdup("out");
7313132b 1727 inputs->filter_ctx = filt_out;
917d2bb3
MN
1728 inputs->pad_idx = 0;
1729 inputs->next = NULL;
1730
75ea596d 1731 if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
917d2bb3
MN
1732 goto the_end;
1733 av_freep(&vfilters);
1734 } else {
75ea596d
SS
1735 if ((ret = avfilter_link(filt_src, 0, filt_out, 0)) < 0)
1736 goto the_end;
917d2bb3 1737 }
917d2bb3 1738
75ea596d 1739 if ((ret = avfilter_graph_config(graph, NULL)) < 0)
2a24df93 1740 goto the_end;
917d2bb3
MN
1741
1742 is->out_video_filter = filt_out;
75ea596d
SS
1743the_end:
1744 return ret;
1745}
1746
1747#endif /* CONFIG_AVFILTER */
1748
1749static int video_thread(void *arg)
1750{
1751 VideoState *is = arg;
1752 AVFrame *frame= avcodec_alloc_frame();
1753 int64_t pts_int;
1754 double pts;
1755 int ret;
1756
1757#if CONFIG_AVFILTER
1758 AVFilterGraph *graph = avfilter_graph_alloc();
1759 AVFilterContext *filt_out = NULL;
1760 int64_t pos;
1761
1762 if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
1763 goto the_end;
1764 filt_out = is->out_video_filter;
917d2bb3
MN
1765#endif
1766
1767 for(;;) {
1768#if !CONFIG_AVFILTER
1769 AVPacket pkt;
387b4ac9 1770#else
ff0652e5 1771 AVFilterBufferRef *picref;
387b4ac9 1772 AVRational tb;
917d2bb3
MN
1773#endif
1774 while (is->paused && !is->videoq.abort_request)
1775 SDL_Delay(10);
1776#if CONFIG_AVFILTER
ff0652e5
SS
1777 ret = get_filtered_video_frame(filt_out, frame, &picref, &tb);
1778 if (picref) {
1779 pts_int = picref->pts;
1780 pos = picref->pos;
1781 frame->opaque = picref;
1782 }
387b4ac9
SS
1783
1784 if (av_cmp_q(tb, is->video_st->time_base)) {
13156f40 1785 av_unused int64_t pts1 = pts_int;
387b4ac9 1786 pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
13156f40
SS
1787 av_dlog(NULL, "video_thread(): "
1788 "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1789 tb.num, tb.den, pts1,
1790 is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
387b4ac9 1791 }
917d2bb3
MN
1792#else
1793 ret = get_video_frame(is, frame, &pts_int, &pkt);
1794#endif
1795
1796 if (ret < 0) goto the_end;
1797
1798 if (!ret)
1799 continue;
1800
3966a574 1801 pts = pts_int*av_q2d(is->video_st->time_base);
917d2bb3
MN
1802
1803#if CONFIG_AVFILTER
bb409513 1804 ret = output_picture2(is, frame, pts, pos);
917d2bb3 1805#else
fca62599 1806 ret = output_picture2(is, frame, pts, pkt.pos);
917d2bb3
MN
1807 av_free_packet(&pkt);
1808#endif
1809 if (ret < 0)
1810 goto the_end;
1811
115329f1 1812 if (step)
bba04f1e
WH
1813 if (cur_stream)
1814 stream_pause(cur_stream);
01310af2
FB
1815 }
1816 the_end:
917d2bb3 1817#if CONFIG_AVFILTER
4359288c 1818 avfilter_graph_free(&graph);
917d2bb3 1819#endif
c6b1edc9 1820 av_free(frame);
01310af2
FB
1821 return 0;
1822}
1823
72ce053b
IC
1824static int subtitle_thread(void *arg)
1825{
1826 VideoState *is = arg;
1827 SubPicture *sp;
1828 AVPacket pkt1, *pkt = &pkt1;
98704131 1829 int got_subtitle;
72ce053b
IC
1830 double pts;
1831 int i, j;
1832 int r, g, b, y, u, v, a;
1833
1834 for(;;) {
1835 while (is->paused && !is->subtitleq.abort_request) {
1836 SDL_Delay(10);
1837 }
1838 if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1839 break;
115329f1 1840
39c6a118
MN
1841 if(pkt->data == flush_pkt.data){
1842 avcodec_flush_buffers(is->subtitle_st->codec);
1843 continue;
1844 }
72ce053b
IC
1845 SDL_LockMutex(is->subpq_mutex);
1846 while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1847 !is->subtitleq.abort_request) {
1848 SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1849 }
1850 SDL_UnlockMutex(is->subpq_mutex);
115329f1 1851
72ce053b
IC
1852 if (is->subtitleq.abort_request)
1853 goto the_end;
115329f1 1854
72ce053b
IC
1855 sp = &is->subpq[is->subpq_windex];
1856
1857 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1858 this packet, if any */
1859 pts = 0;
1860 if (pkt->pts != AV_NOPTS_VALUE)
1861 pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1862
98704131
DB
1863 avcodec_decode_subtitle2(is->subtitle_st->codec, &sp->sub,
1864 &got_subtitle, pkt);
1865
72ce053b
IC
1866 if (got_subtitle && sp->sub.format == 0) {
1867 sp->pts = pts;
115329f1 1868
72ce053b
IC
1869 for (i = 0; i < sp->sub.num_rects; i++)
1870 {
db4fac64 1871 for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
72ce053b 1872 {
25b4c651 1873 RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
72ce053b
IC
1874 y = RGB_TO_Y_CCIR(r, g, b);
1875 u = RGB_TO_U_CCIR(r, g, b, 0);
1876 v = RGB_TO_V_CCIR(r, g, b, 0);
25b4c651 1877 YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
72ce053b
IC
1878 }
1879 }
1880
1881 /* now we can update the picture count */
1882 if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1883 is->subpq_windex = 0;
1884 SDL_LockMutex(is->subpq_mutex);
1885 is->subpq_size++;
1886 SDL_UnlockMutex(is->subpq_mutex);
1887 }
1888 av_free_packet(pkt);
72ce053b
IC
1889 }
1890 the_end:
1891 return 0;
1892}
1893
01310af2
FB
1894/* copy samples for viewing in editor window */
1895static void update_sample_display(VideoState *is, short *samples, int samples_size)
1896{
c713620b 1897 int size, len;
01310af2
FB
1898
1899 size = samples_size / sizeof(short);
1900 while (size > 0) {
1901 len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1902 if (len > size)
1903 len = size;
1904 memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1905 samples += len;
1906 is->sample_array_index += len;
1907 if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1908 is->sample_array_index = 0;
1909 size -= len;
1910 }
1911}
1912
01310af2
FB
1913/* return the new audio buffer size (samples can be added or deleted
1914 to get better sync if video or external master clock) */
115329f1 1915static int synchronize_audio(VideoState *is, short *samples,
638c9d91 1916 int samples_size1, double pts)
01310af2 1917{
638c9d91 1918 int n, samples_size;
01310af2 1919 double ref_clock;
115329f1 1920
01f4895c 1921 n = 2 * is->audio_st->codec->channels;
638c9d91 1922 samples_size = samples_size1;
01310af2 1923
01310af2 1924 /* if not master, then we try to remove or add samples to correct the clock */
01310af2 1925 if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
638c9d91
FB
1926 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1927 double diff, avg_diff;
01310af2 1928 int wanted_size, min_size, max_size, nb_samples;
115329f1 1929
638c9d91
FB
1930 ref_clock = get_master_clock(is);
1931 diff = get_audio_clock(is) - ref_clock;
115329f1 1932
638c9d91
FB
1933 if (diff < AV_NOSYNC_THRESHOLD) {
1934 is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1935 if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1936 /* not enough measures to have a correct estimate */
1937 is->audio_diff_avg_count++;
1938 } else {
1939 /* estimate the A-V difference */
1940 avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1941
1942 if (fabs(avg_diff) >= is->audio_diff_threshold) {
01f4895c 1943 wanted_size = samples_size + ((int)(diff * is->audio_st->codec->sample_rate) * n);
638c9d91 1944 nb_samples = samples_size / n;
115329f1 1945
638c9d91
FB
1946 min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1947 max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1948 if (wanted_size < min_size)
1949 wanted_size = min_size;
1950 else if (wanted_size > max_size)
1951 wanted_size = max_size;
115329f1 1952
638c9d91
FB
1953 /* add or remove samples to correction the synchro */
1954 if (wanted_size < samples_size) {
1955 /* remove samples */
1956 samples_size = wanted_size;
1957 } else if (wanted_size > samples_size) {
1958 uint8_t *samples_end, *q;
1959 int nb;
115329f1 1960
638c9d91
FB
1961 /* add samples */
1962 nb = (samples_size - wanted_size);
1963 samples_end = (uint8_t *)samples + samples_size - n;
1964 q = samples_end + n;
1965 while (nb > 0) {
1966 memcpy(q, samples_end, n);
1967 q += n;
1968 nb -= n;
1969 }
1970 samples_size = wanted_size;
1971 }
1972 }
045dd4b9
DB
1973 av_dlog(NULL, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1974 diff, avg_diff, samples_size - samples_size1,
1975 is->audio_clock, is->video_clock, is->audio_diff_threshold);
01310af2 1976 }
638c9d91
FB
1977 } else {
1978 /* too big difference : may be initial PTS errors, so
1979 reset A-V filter */
1980 is->audio_diff_avg_count = 0;
1981 is->audio_diff_cum = 0;
01310af2
FB
1982 }
1983 }
1984
01310af2
FB
1985 return samples_size;
1986}
1987
1988/* decode one audio frame and returns its uncompressed size */
5a4476e2 1989static int audio_decode_frame(VideoState *is, double *pts_ptr)
01310af2 1990{
bea18375 1991 AVPacket *pkt_temp = &is->audio_pkt_temp;
01310af2 1992 AVPacket *pkt = &is->audio_pkt;
abdff646 1993 AVCodecContext *dec= is->audio_st->codec;
72ea344b 1994 int n, len1, data_size;
01310af2
FB
1995 double pts;
1996
1997 for(;;) {
72ea344b 1998 /* NOTE: the audio packet can contain several frames */
bea18375 1999 while (pkt_temp->size > 0) {
5a4476e2 2000 data_size = sizeof(is->audio_buf1);
bea18375 2001 len1 = avcodec_decode_audio3(dec,
5a4476e2 2002 (int16_t *)is->audio_buf1, &data_size,
bea18375 2003 pkt_temp);
72ea344b
FB
2004 if (len1 < 0) {
2005 /* if error, we skip the frame */
bea18375 2006 pkt_temp->size = 0;
01310af2 2007 break;
72ea344b 2008 }
115329f1 2009
bea18375
TB
2010 pkt_temp->data += len1;
2011 pkt_temp->size -= len1;
72ea344b
FB
2012 if (data_size <= 0)
2013 continue;
5a4476e2
PR
2014
2015 if (dec->sample_fmt != is->audio_src_fmt) {
2016 if (is->reformat_ctx)
2017 av_audio_convert_free(is->reformat_ctx);
5d6e4c16 2018 is->reformat_ctx= av_audio_convert_alloc(AV_SAMPLE_FMT_S16, 1,
5a4476e2
PR
2019 dec->sample_fmt, 1, NULL, 0);
2020 if (!is->reformat_ctx) {
2021 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
ba7d6e79 2022 av_get_sample_fmt_name(dec->sample_fmt),
5d6e4c16 2023 av_get_sample_fmt_name(AV_SAMPLE_FMT_S16));
5a4476e2
PR
2024 break;
2025 }
2026 is->audio_src_fmt= dec->sample_fmt;
2027 }
2028
2029 if (is->reformat_ctx) {
2030 const void *ibuf[6]= {is->audio_buf1};
2031 void *obuf[6]= {is->audio_buf2};
e6c52cee 2032 int istride[6]= {av_get_bytes_per_sample(dec->sample_fmt)};
5a4476e2
PR
2033 int ostride[6]= {2};
2034 int len= data_size/istride[0];
2035 if (av_audio_convert(is->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
2036 printf("av_audio_convert() failed\n");
2037 break;
2038 }
2039 is->audio_buf= is->audio_buf2;
2040 /* FIXME: existing code assume that data_size equals framesize*channels*2
2041 remove this legacy cruft */
2042 data_size= len*2;
2043 }else{
2044 is->audio_buf= is->audio_buf1;
2045 }
2046
72ea344b
FB
2047 /* if no pts, then compute it */
2048 pts = is->audio_clock;
2049 *pts_ptr = pts;
abdff646 2050 n = 2 * dec->channels;
115329f1 2051 is->audio_clock += (double)data_size /
abdff646 2052 (double)(n * dec->sample_rate);
1f6b9cc3 2053#ifdef DEBUG
72ea344b
FB
2054 {
2055 static double last_clock;
2056 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2057 is->audio_clock - last_clock,
2058 is->audio_clock, pts);
2059 last_clock = is->audio_clock;
01310af2 2060 }
72ea344b
FB
2061#endif
2062 return data_size;
01310af2
FB
2063 }
2064
72ea344b
FB
2065 /* free the current packet */
2066 if (pkt->data)
01310af2 2067 av_free_packet(pkt);
115329f1 2068
72ea344b
FB
2069 if (is->paused || is->audioq.abort_request) {
2070 return -1;
2071 }
115329f1 2072
01310af2
FB
2073 /* read next packet */
2074 if (packet_queue_get(&is->audioq, pkt, 1) < 0)
2075 return -1;
39c6a118 2076 if(pkt->data == flush_pkt.data){
abdff646 2077 avcodec_flush_buffers(dec);
39c6a118
MN
2078 continue;
2079 }
2080
bea18375
TB
2081 pkt_temp->data = pkt->data;
2082 pkt_temp->size = pkt->size;
115329f1 2083
72ea344b
FB
2084 /* if update the audio clock with the pts */
2085 if (pkt->pts != AV_NOPTS_VALUE) {
c0df9d75 2086 is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
72ea344b 2087 }
01310af2
FB
2088 }
2089}
2090
01310af2 2091/* prepare a new audio buffer */
358061f6 2092static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
01310af2
FB
2093{
2094 VideoState *is = opaque;
2095 int audio_size, len1;
2096 double pts;
2097
2098 audio_callback_time = av_gettime();
115329f1 2099
01310af2
FB
2100 while (len > 0) {
2101 if (is->audio_buf_index >= is->audio_buf_size) {
5a4476e2 2102 audio_size = audio_decode_frame(is, &pts);
01310af2
FB
2103 if (audio_size < 0) {
2104 /* if error, just output silence */
1a1078fa 2105 is->audio_buf = is->audio_buf1;
01310af2
FB
2106 is->audio_buf_size = 1024;
2107 memset(is->audio_buf, 0, is->audio_buf_size);
2108 } else {
2109 if (is->show_audio)
2110 update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
115329f1 2111 audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
01310af2
FB
2112 pts);
2113 is->audio_buf_size = audio_size;
2114 }
2115 is->audio_buf_index = 0;
2116 }
2117 len1 = is->audio_buf_size - is->audio_buf_index;
2118 if (len1 > len)
2119 len1 = len;
2120 memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2121 len -= len1;
2122 stream += len1;
2123 is->audio_buf_index += len1;
2124 }
2125}
2126
01310af2
FB
2127/* open a given stream. Return 0 if OK */
2128static int stream_component_open(VideoState *is, int stream_index)
2129{
2130 AVFormatContext *ic = is->ic;
fe74099a 2131 AVCodecContext *avctx;
01310af2
FB
2132 AVCodec *codec;
2133 SDL_AudioSpec wanted_spec, spec;
2134
2135 if (stream_index < 0 || stream_index >= ic->nb_streams)
2136 return -1;
fe74099a 2137 avctx = ic->streams[stream_index]->codec;
115329f1 2138
01310af2 2139 /* prepare audio output */
72415b2a 2140 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
fe74099a
SS
2141 if (avctx->channels > 0) {
2142 avctx->request_channels = FFMIN(2, avctx->channels);
94eadc8b 2143 } else {
fe74099a 2144 avctx->request_channels = 2;
638c9d91 2145 }
01310af2
FB
2146 }
2147
fe74099a
SS
2148 codec = avcodec_find_decoder(avctx->codec_id);
2149 avctx->debug_mv = debug_mv;
2150 avctx->debug = debug;
2151 avctx->workaround_bugs = workaround_bugs;
2152 avctx->lowres = lowres;
2153 if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2154 avctx->idct_algo= idct;
2155 if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2156 avctx->skip_frame= skip_frame;
2157 avctx->skip_idct= skip_idct;
2158 avctx->skip_loop_filter= skip_loop_filter;
2159 avctx->error_recognition= error_recognition;
2160 avctx->error_concealment= error_concealment;
c0b102ca 2161 avctx->thread_count= thread_count;
fe74099a 2162
0093ebc2 2163 set_context_opts(avctx, avcodec_opts[avctx->codec_type], 0, codec);
e43d7a18 2164
01310af2 2165 if (!codec ||
fe74099a 2166 avcodec_open(avctx, codec) < 0)
01310af2 2167 return -1;
51b73087
JR
2168
2169 /* prepare audio output */
72415b2a 2170 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
fe74099a 2171 wanted_spec.freq = avctx->sample_rate;
51b73087 2172 wanted_spec.format = AUDIO_S16SYS;
fe74099a 2173 wanted_spec.channels = avctx->channels;
51b73087
JR
2174 wanted_spec.silence = 0;
2175 wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2176 wanted_spec.callback = sdl_audio_callback;
2177 wanted_spec.userdata = is;
2178 if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2179 fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2180 return -1;
2181 }
2182 is->audio_hw_buf_size = spec.size;
5d6e4c16 2183 is->audio_src_fmt= AV_SAMPLE_FMT_S16;
51b73087
JR
2184 }
2185
3f3fe38d 2186 ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
fe74099a 2187 switch(avctx->codec_type) {
72415b2a 2188 case AVMEDIA_TYPE_AUDIO:
01310af2
FB
2189 is->audio_stream = stream_index;
2190 is->audio_st = ic->streams[stream_index];
2191 is->audio_buf_size = 0;
2192 is->audio_buf_index = 0;
638c9d91
FB
2193
2194 /* init averaging filter */
2195 is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2196 is->audio_diff_avg_count = 0;
2197 /* since we do not have a precise anough audio fifo fullness,
2198 we correct audio sync only if larger than this threshold */
fe74099a 2199 is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
638c9d91 2200
01310af2
FB
2201 memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2202 packet_queue_init(&is->audioq);
bb270c08 2203 SDL_PauseAudio(0);
01310af2 2204 break;
72415b2a 2205 case AVMEDIA_TYPE_VIDEO:
01310af2
FB
2206 is->video_stream = stream_index;
2207 is->video_st = ic->streams[stream_index];
2208
2209 packet_queue_init(&is->videoq);
2210 is->video_tid = SDL_CreateThread(video_thread, is);
2211 break;
72415b2a 2212 case AVMEDIA_TYPE_SUBTITLE:
72ce053b
IC
2213 is->subtitle_stream = stream_index;
2214 is->subtitle_st = ic->streams[stream_index];
2215 packet_queue_init(&is->subtitleq);
115329f1 2216
72ce053b
IC
2217 is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2218 break;
01310af2
FB
2219 default:
2220 break;
2221 }
2222 return 0;
2223}
2224
2225static void stream_component_close(VideoState *is, int stream_index)
2226{
2227 AVFormatContext *ic = is->ic;
fe74099a 2228 AVCodecContext *avctx;
115329f1 2229
72ce053b
IC
2230 if (stream_index < 0 || stream_index >= ic->nb_streams)
2231 return;
fe74099a 2232 avctx = ic->streams[stream_index]->codec;
01310af2 2233
fe74099a 2234 switch(avctx->codec_type) {
72415b2a 2235 case AVMEDIA_TYPE_AUDIO:
01310af2
FB
2236 packet_queue_abort(&is->audioq);
2237
2238 SDL_CloseAudio();
2239
2240 packet_queue_end(&is->audioq);
5a4476e2
PR
2241 if (is->reformat_ctx)
2242 av_audio_convert_free(is->reformat_ctx);
bc77fce6 2243 is->reformat_ctx = NULL;
01310af2 2244 break;
72415b2a 2245 case AVMEDIA_TYPE_VIDEO:
01310af2
FB
2246 packet_queue_abort(&is->videoq);
2247
2248 /* note: we also signal this mutex to make sure we deblock the
2249 video thread in all cases */
2250 SDL_LockMutex(is->pictq_mutex);
2251 SDL_CondSignal(is->pictq_cond);
2252 SDL_UnlockMutex(is->pictq_mutex);
2253
2254 SDL_WaitThread(is->video_tid, NULL);
2255
2256 packet_queue_end(&is->videoq);
2257 break;
72415b2a 2258 case AVMEDIA_TYPE_SUBTITLE:
72ce053b 2259 packet_queue_abort(&is->subtitleq);
115329f1 2260
72ce053b
IC
2261 /* note: we also signal this mutex to make sure we deblock the
2262 video thread in all cases */
2263 SDL_LockMutex(is->subpq_mutex);
2264 is->subtitle_stream_changed = 1;
115329f1 2265
72ce053b
IC
2266 SDL_CondSignal(is->subpq_cond);
2267 SDL_UnlockMutex(is->subpq_mutex);
2268
2269 SDL_WaitThread(is->subtitle_tid, NULL);
2270
2271 packet_queue_end(&is->subtitleq);
2272 break;
01310af2
FB
2273 default:
2274 break;
2275 }
2276
3f3fe38d 2277 ic->streams[stream_index]->discard = AVDISCARD_ALL;
fe74099a
SS
2278 avcodec_close(avctx);
2279 switch(avctx->codec_type) {
72415b2a 2280 case AVMEDIA_TYPE_AUDIO:
01310af2
FB
2281 is->audio_st = NULL;
2282 is->audio_stream = -1;
2283 break;
72415b2a 2284 case AVMEDIA_TYPE_VIDEO:
01310af2
FB
2285 is->video_st = NULL;
2286 is->video_stream = -1;
2287 break;
72415b2a 2288 case AVMEDIA_TYPE_SUBTITLE:
72ce053b
IC
2289 is->subtitle_st = NULL;
2290 is->subtitle_stream = -1;
2291 break;
01310af2
FB
2292 default:
2293 break;
2294 }
2295}
2296
416e3508
FB
2297/* since we have only one decoding thread, we can use a global
2298 variable instead of a thread local variable */
2299static VideoState *global_video_state;
2300
2301static int decode_interrupt_cb(void)
2302{
2303 return (global_video_state && global_video_state->abort_request);
2304}
01310af2
FB
2305
2306/* this thread gets the stream from the disk or the network */
2307static int decode_thread(void *arg)
2308{
2309 VideoState *is = arg;
d0e142bb 2310 AVFormatContext *ic = NULL;
6625a3de 2311 int err, i, ret;
72415b2a 2312 int st_index[AVMEDIA_TYPE_NB];
01310af2 2313 AVPacket pkt1, *pkt = &pkt1;
75bb7b0a 2314 int eof=0;
d834d63b 2315 int pkt_in_play_range = 0;
d0e142bb 2316 AVDictionaryEntry *t;
6299a229 2317
6625a3de 2318 memset(st_index, -1, sizeof(st_index));
01310af2
FB
2319 is->video_stream = -1;
2320 is->audio_stream = -1;
72ce053b 2321 is->subtitle_stream = -1;
01310af2 2322
416e3508 2323 global_video_state = is;
80c6e238 2324 avio_set_interrupt_cb(decode_interrupt_cb);
416e3508 2325
d0e142bb 2326 err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
638c9d91
FB
2327 if (err < 0) {
2328 print_error(is->filename, err);
2329 ret = -1;
2330 goto fail;
2331 }
d0e142bb
AK
2332 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2333 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2334 ret = AVERROR_OPTION_NOT_FOUND;
2335 goto fail;
2336 }
01310af2 2337 is->ic = ic;
30bc6613
MN
2338
2339 if(genpts)
2340 ic->flags |= AVFMT_FLAG_GENPTS;
2341
bc778a0c
JR
2342 /* Set AVCodecContext options so they will be seen by av_find_stream_info() */
2343 for (i = 0; i < ic->nb_streams; i++) {
2344 AVCodecContext *dec = ic->streams[i]->codec;
2345 switch (dec->codec_type) {
2346 case AVMEDIA_TYPE_AUDIO:
2347 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO],
2348 AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
2349 NULL);
2350 break;
2351 case AVMEDIA_TYPE_VIDEO:
2352 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO],
2353 AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
2354 NULL);
2355 break;
2356 }
2357 }
2358
24c07998
LA
2359 err = av_find_stream_info(ic);
2360 if (err < 0) {
2361 fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2362 ret = -1;
2363 goto fail;
2364 }
899681cd
BA
2365 if(ic->pb)
2366 ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
72ea344b 2367
70a4764d
MN
2368 if(seek_by_bytes<0)
2369 seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2370
72ea344b
FB
2371 /* if seeking requested, we execute it */
2372 if (start_time != AV_NOPTS_VALUE) {
2373 int64_t timestamp;
2374
2375 timestamp = start_time;
2376 /* add the stream start time */
2377 if (ic->start_time != AV_NOPTS_VALUE)
2378 timestamp += ic->start_time;
4ed29207 2379 ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
72ea344b 2380 if (ret < 0) {
115329f1 2381 fprintf(stderr, "%s: could not seek to position %0.3f\n",
72ea344b
FB
2382 is->filename, (double)timestamp / AV_TIME_BASE);
2383 }
2384 }
72ea344b 2385
406f0f1b 2386 for (i = 0; i < ic->nb_streams; i++)
3f3fe38d 2387 ic->streams[i]->discard = AVDISCARD_ALL;
be732b70 2388 if (!video_disable)
406f0f1b
NG
2389 st_index[AVMEDIA_TYPE_VIDEO] =
2390 av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
2391 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
be732b70 2392 if (!audio_disable)
406f0f1b
NG
2393 st_index[AVMEDIA_TYPE_AUDIO] =
2394 av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
2395 wanted_stream[AVMEDIA_TYPE_AUDIO],
2396 st_index[AVMEDIA_TYPE_VIDEO],
2397 NULL, 0);
be732b70 2398 if (!video_disable)
406f0f1b
NG
2399 st_index[AVMEDIA_TYPE_SUBTITLE] =
2400 av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
2401 wanted_stream[AVMEDIA_TYPE_SUBTITLE],
2402 (st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
2403 st_index[AVMEDIA_TYPE_AUDIO] :
2404 st_index[AVMEDIA_TYPE_VIDEO]),
2405 NULL, 0);
01310af2 2406 if (show_status) {
610219a5 2407 av_dump_format(ic, 0, is->filename, 0);
01310af2
FB
2408 }
2409
2410 /* open the streams */
72415b2a
SS
2411 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2412 stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
01310af2
FB
2413 }
2414
077a8d61 2415 ret=-1;
72415b2a
SS
2416 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2417 ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
077a8d61 2418 }
d38c9e7a 2419 is->refresh_tid = SDL_CreateThread(refresh_thread, is);
077a8d61 2420 if(ret<0) {
01310af2 2421 if (!display_disable)
bf8ae197 2422 is->show_audio = 2;
01310af2
FB
2423 }
2424
72415b2a
SS
2425 if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2426 stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
16a59a7b
BA
2427 }
2428
01310af2 2429 if (is->video_stream < 0 && is->audio_stream < 0) {
638c9d91
FB
2430 fprintf(stderr, "%s: could not open codecs\n", is->filename);
2431 ret = -1;
01310af2
FB
2432 goto fail;
2433 }
2434
2435 for(;;) {
2436 if (is->abort_request)
2437 break;
416e3508
FB
2438 if (is->paused != is->last_paused) {
2439 is->last_paused = is->paused;
72ea344b 2440 if (is->paused)
f5668147 2441 is->read_pause_return= av_read_pause(ic);
72ea344b
FB
2442 else
2443 av_read_play(ic);
416e3508 2444 }
2f642393
AJ
2445#if CONFIG_RTSP_DEMUXER
2446 if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
416e3508
FB
2447 /* wait 10 ms to avoid trying to get another packet */
2448 /* XXX: horrible */
2449 SDL_Delay(10);
2450 continue;
2451 }
400738b1 2452#endif
72ea344b 2453 if (is->seek_req) {
8e606cc8 2454 int64_t seek_target= is->seek_pos;
4ed29207
MN
2455 int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2456 int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2457//FIXME the +-2 is due to rounding being not done in the correct direction in generation
2458// of the seek_pos/seek_rel variables
8e606cc8 2459
4ed29207 2460 ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
72ea344b
FB
2461 if (ret < 0) {
2462 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
e6c0297f
MN
2463 }else{
2464 if (is->audio_stream >= 0) {
2465 packet_queue_flush(&is->audioq);
39c6a118 2466 packet_queue_put(&is->audioq, &flush_pkt);
e6c0297f 2467 }
72ce053b
IC
2468 if (is->subtitle_stream >= 0) {
2469 packet_queue_flush(&is->subtitleq);
39c6a118 2470 packet_queue_put(&is->subtitleq, &flush_pkt);
72ce053b 2471 }
e6c0297f
MN
2472 if (is->video_stream >= 0) {
2473 packet_queue_flush(&is->videoq);
39c6a118 2474 packet_queue_put(&is->videoq, &flush_pkt);
e6c0297f 2475 }
72ea344b
FB
2476 }
2477 is->seek_req = 0;
e45aeb38 2478 eof= 0;
72ea344b 2479 }
416e3508 2480
01310af2 2481 /* if the queue are full, no need to read more */
79ee4683
MN
2482 if ( is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2483 || ( (is->audioq .size > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2484 && (is->videoq .nb_packets > MIN_FRAMES || is->video_stream<0)
2485 && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
01310af2
FB
2486 /* wait 10 ms */
2487 SDL_Delay(10);
2488 continue;
2489 }
27d97fde 2490 if(eof) {
9dc41767 2491 if(is->video_stream >= 0){
26534fe8
MN
2492 av_init_packet(pkt);
2493 pkt->data=NULL;
2494 pkt->size=0;
2495 pkt->stream_index= is->video_stream;
2496 packet_queue_put(&is->videoq, pkt);
9dc41767 2497 }
b4083171 2498 SDL_Delay(10);
1922c0a7
RK
2499 if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2500 if(loop!=1 && (!loop || --loop)){
2501 stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2502 }else if(autoexit){
2503 ret=AVERROR_EOF;
2504 goto fail;
2505 }
2d1653b0 2506 }
600a331c
MN
2507 continue;
2508 }
72ea344b 2509 ret = av_read_frame(ic, pkt);
01310af2 2510 if (ret < 0) {
648c7962 2511 if (ret == AVERROR_EOF || (ic->pb && ic->pb->eof_reached))
75bb7b0a 2512 eof=1;
648c7962 2513 if (ic->pb && ic->pb->error)
bb270c08 2514 break;
75bb7b0a
MN
2515 SDL_Delay(100); /* wait for user event */
2516 continue;
01310af2 2517 }
d834d63b
RK
2518 /* check if packet is in play range specified by user, then queue, otherwise discard */
2519 pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2520 (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2521 av_q2d(ic->streams[pkt->stream_index]->time_base) -
2522 (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2523 <= ((double)duration/1000000);
2524 if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
01310af2 2525 packet_queue_put(&is->audioq, pkt);
d834d63b 2526 } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
01310af2 2527 packet_queue_put(&is->videoq, pkt);
d834d63b 2528 } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
72ce053b 2529 packet_queue_put(&is->subtitleq, pkt);
01310af2
FB
2530 } else {
2531 av_free_packet(pkt);
2532 }
2533 }
2534 /* wait until the end */
2535 while (!is->abort_request) {
2536 SDL_Delay(100);
2537 }
2538
638c9d91 2539 ret = 0;
01310af2 2540 fail:
416e3508
FB
2541 /* disable interrupting */
2542 global_video_state = NULL;
2543
01310af2
FB
2544 /* close each stream */
2545 if (is->audio_stream >= 0)
2546 stream_component_close(is, is->audio_stream);
2547 if (is->video_stream >= 0)
2548 stream_component_close(is, is->video_stream);
72ce053b
IC
2549 if (is->subtitle_stream >= 0)
2550 stream_component_close(is, is->subtitle_stream);
638c9d91
FB
2551 if (is->ic) {
2552 av_close_input_file(is->ic);
2553 is->ic = NULL; /* safety */
2554 }
80c6e238 2555 avio_set_interrupt_cb(NULL);
416e3508 2556
638c9d91
FB
2557 if (ret != 0) {
2558 SDL_Event event;
115329f1 2559
638c9d91
FB
2560 event.type = FF_QUIT_EVENT;
2561 event.user.data1 = is;
2562 SDL_PushEvent(&event);
2563 }
01310af2
FB
2564 return 0;
2565}
2566
638c9d91 2567static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
01310af2
FB
2568{
2569 VideoState *is;
2570
2571 is = av_mallocz(sizeof(VideoState));
2572 if (!is)
2573 return NULL;
f7d78f36 2574 av_strlcpy(is->filename, filename, sizeof(is->filename));
638c9d91 2575 is->iformat = iformat;
01310af2
FB
2576 is->ytop = 0;
2577 is->xleft = 0;
2578
2579 /* start video display */
2580 is->pictq_mutex = SDL_CreateMutex();
2581 is->pictq_cond = SDL_CreateCond();
115329f1 2582
72ce053b
IC
2583 is->subpq_mutex = SDL_CreateMutex();
2584 is->subpq_cond = SDL_CreateCond();
115329f1 2585
638c9d91 2586 is->av_sync_type = av_sync_type;
01310af2
FB
2587 is->parse_tid = SDL_CreateThread(decode_thread, is);
2588 if (!is->parse_tid) {
2589 av_free(is);
2590 return NULL;
2591 }
2592 return is;
2593}
2594
7b49ce2e 2595static void stream_cycle_channel(VideoState *is, int codec_type)
638c9d91
FB
2596{
2597 AVFormatContext *ic = is->ic;
2598 int start_index, stream_index;
2599 AVStream *st;
2600
72415b2a 2601 if (codec_type == AVMEDIA_TYPE_VIDEO)
638c9d91 2602 start_index = is->video_stream;
72415b2a 2603 else if (codec_type == AVMEDIA_TYPE_AUDIO)
638c9d91 2604 start_index = is->audio_stream;
72ce053b
IC
2605 else
2606 start_index = is->subtitle_stream;
72415b2a 2607 if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
638c9d91
FB
2608 return;
2609 stream_index = start_index;
2610 for(;;) {
2611 if (++stream_index >= is->ic->nb_streams)
72ce053b 2612 {
72415b2a 2613 if (codec_type == AVMEDIA_TYPE_SUBTITLE)
72ce053b
IC
2614 {
2615 stream_index = -1;
2616 goto the_end;
2617 } else
2618 stream_index = 0;
2619 }
638c9d91
FB
2620 if (stream_index == start_index)
2621 return;
2622 st = ic->streams[stream_index];
01f4895c 2623 if (st->codec->codec_type == codec_type) {
638c9d91
FB
2624 /* check that parameters are OK */
2625 switch(codec_type) {
72415b2a 2626 case AVMEDIA_TYPE_AUDIO:
01f4895c
MN
2627 if (st->codec->sample_rate != 0 &&
2628 st->codec->channels != 0)
638c9d91
FB
2629 goto the_end;
2630 break;
72415b2a
SS
2631 case AVMEDIA_TYPE_VIDEO:
2632 case AVMEDIA_TYPE_SUBTITLE:
638c9d91
FB
2633 goto the_end;
2634 default:
2635 break;
2636 }
2637 }
2638 }
2639 the_end:
2640 stream_component_close(is, start_index);
2641 stream_component_open(is, stream_index);
2642}
2643
2644
7b49ce2e 2645static void toggle_full_screen(void)
01310af2 2646{
01310af2 2647 is_full_screen = !is_full_screen;
fb84155b 2648 video_open(cur_stream);
01310af2
FB
2649}
2650
7b49ce2e 2651static void toggle_pause(void)
01310af2
FB
2652{
2653 if (cur_stream)
2654 stream_pause(cur_stream);
bba04f1e
WH
2655 step = 0;
2656}
2657
7b49ce2e 2658static void step_to_next_frame(void)
bba04f1e
WH
2659{
2660 if (cur_stream) {
19cc524a 2661 /* if the stream is paused unpause it, then step */
bba04f1e 2662 if (cur_stream->paused)
19cc524a 2663 stream_pause(cur_stream);
bba04f1e
WH
2664 }
2665 step = 1;
01310af2
FB
2666}
2667
7b49ce2e 2668static void toggle_audio_display(void)
01310af2
FB
2669{
2670 if (cur_stream) {
f5968788 2671 int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
12eeda34 2672 cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
f5968788
MN
2673 fill_rectangle(screen,
2674 cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2675 bgcolor);
2676 SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
01310af2
FB
2677 }
2678}
2679
2680/* handle an event sent by the GUI */
7b49ce2e 2681static void event_loop(void)
01310af2
FB
2682{
2683 SDL_Event event;
a11d11aa 2684 double incr, pos, frac;
01310af2
FB
2685
2686 for(;;) {
d52ec002 2687 double x;
01310af2
FB
2688 SDL_WaitEvent(&event);
2689 switch(event.type) {
2690 case SDL_KEYDOWN:
066ce8c9
AS
2691 if (exit_on_keydown) {
2692 do_exit();
2693 break;
2694 }
01310af2
FB
2695 switch(event.key.keysym.sym) {
2696 case SDLK_ESCAPE:
2697 case SDLK_q:
2698 do_exit();
2699 break;
2700 case SDLK_f:
2701 toggle_full_screen();
2702 break;
2703 case SDLK_p:
2704 case SDLK_SPACE:
2705 toggle_pause();
2706 break;
bba04f1e
WH
2707 case SDLK_s: //S: Step to next frame
2708 step_to_next_frame();
2709 break;
01310af2 2710 case SDLK_a:
115329f1 2711 if (cur_stream)
72415b2a 2712 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
638c9d91
FB
2713 break;
2714 case SDLK_v:
115329f1 2715 if (cur_stream)
72415b2a 2716 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
638c9d91 2717 break;
72ce053b 2718 case SDLK_t:
115329f1 2719 if (cur_stream)
72415b2a 2720 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
72ce053b 2721 break;
638c9d91 2722 case SDLK_w:
01310af2
FB
2723 toggle_audio_display();
2724 break;
72ea344b
FB
2725 case SDLK_LEFT:
2726 incr = -10.0;
2727 goto do_seek;
2728 case SDLK_RIGHT:
2729 incr = 10.0;
2730 goto do_seek;
2731 case SDLK_UP:
2732 incr = 60.0;
2733 goto do_seek;
2734 case SDLK_DOWN:
2735 incr = -60.0;
2736 do_seek:
2737 if (cur_stream) {
94b594c6 2738 if (seek_by_bytes) {
1a620dd7
MN
2739 if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2740 pos= cur_stream->video_current_pos;
2741 }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2742 pos= cur_stream->audio_pkt.pos;
2743 }else
a2704c97 2744 pos = avio_tell(cur_stream->ic->pb);
94b594c6 2745 if (cur_stream->ic->bit_rate)
566cd2cb 2746 incr *= cur_stream->ic->bit_rate / 8.0;
94b594c6
SH
2747 else
2748 incr *= 180000.0;
2749 pos += incr;
2ef46053 2750 stream_seek(cur_stream, pos, incr, 1);
94b594c6
SH
2751 } else {
2752 pos = get_master_clock(cur_stream);
2753 pos += incr;
2ef46053 2754 stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
94b594c6 2755 }
72ea344b
FB
2756 }
2757 break;
01310af2
FB
2758 default:
2759 break;
2760 }
2761 break;
a11d11aa 2762 case SDL_MOUSEBUTTONDOWN:
066ce8c9
AS
2763 if (exit_on_mousedown) {
2764 do_exit();
2765 break;
2766 }
d52ec002
MN
2767 case SDL_MOUSEMOTION:
2768 if(event.type ==SDL_MOUSEBUTTONDOWN){
2769 x= event.button.x;
2770 }else{
2771 if(event.motion.state != SDL_PRESSED)
2772 break;
2773 x= event.motion.x;
2774 }
bb270c08 2775 if (cur_stream) {
2ef46053 2776 if(seek_by_bytes || cur_stream->ic->duration<=0){
76aa876e 2777 uint64_t size= avio_size(cur_stream->ic->pb);
d52ec002 2778 stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2ef46053 2779 }else{
6371c81a
MN
2780 int64_t ts;
2781 int ns, hh, mm, ss;
2782 int tns, thh, tmm, tss;
2783 tns = cur_stream->ic->duration/1000000LL;
2784 thh = tns/3600;
2785 tmm = (tns%3600)/60;
2786 tss = (tns%60);
d52ec002 2787 frac = x/cur_stream->width;
6371c81a
MN
2788 ns = frac*tns;
2789 hh = ns/3600;
2790 mm = (ns%3600)/60;
2791 ss = (ns%60);
2792 fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
2793 hh, mm, ss, thh, tmm, tss);
2794 ts = frac*cur_stream->ic->duration;
2795 if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2796 ts += cur_stream->ic->start_time;
2797 stream_seek(cur_stream, ts, 0, 0);
2ef46053 2798 }
bb270c08
DB
2799 }
2800 break;
01310af2
FB
2801 case SDL_VIDEORESIZE:
2802 if (cur_stream) {
115329f1 2803 screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
01310af2 2804 SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
c57d3469
MN
2805 screen_width = cur_stream->width = event.resize.w;
2806 screen_height= cur_stream->height= event.resize.h;
01310af2
FB
2807 }
2808 break;
2809 case SDL_QUIT:
638c9d91 2810 case FF_QUIT_EVENT:
01310af2
FB
2811 do_exit();
2812 break;
2813 case FF_ALLOC_EVENT:
fccb19e3 2814 video_open(event.user.data1);
01310af2
FB
2815 alloc_picture(event.user.data1);
2816 break;
2817 case FF_REFRESH_EVENT:
2818 video_refresh_timer(event.user.data1);
d38c9e7a 2819 cur_stream->refresh=0;
01310af2
FB
2820 break;
2821 default:
2822 break;
2823 }
2824 }
2825}
2826
26513856 2827static int opt_frame_size(const char *opt, const char *arg)
e4b89522 2828{
126b638e 2829 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
e4b89522 2830 fprintf(stderr, "Incorrect frame size\n");
26513856 2831 return AVERROR(EINVAL);
e4b89522
LW
2832 }
2833 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2834 fprintf(stderr, "Frame size must be a multiple of 2\n");
26513856 2835 return AVERROR(EINVAL);
e4b89522 2836 }
26513856 2837 return 0;
e4b89522
LW
2838}
2839
a5b3b5f6 2840static int opt_width(const char *opt, const char *arg)
01310af2 2841{
a5b3b5f6
SS
2842 screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2843 return 0;
01310af2
FB
2844}
2845
a5b3b5f6 2846static int opt_height(const char *opt, const char *arg)
01310af2 2847{
a5b3b5f6
SS
2848 screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2849 return 0;
01310af2
FB
2850}
2851
26513856 2852static int opt_format(const char *opt, const char *arg)
01310af2
FB
2853{
2854 file_iformat = av_find_input_format(arg);
2855 if (!file_iformat) {
2856 fprintf(stderr, "Unknown input format: %s\n", arg);
26513856 2857 return AVERROR(EINVAL);
01310af2 2858 }
26513856 2859 return 0;
01310af2 2860}
61890b02 2861
26513856 2862static int opt_frame_pix_fmt(const char *opt, const char *arg)
e4b89522 2863{
718c7b18 2864 frame_pix_fmt = av_get_pix_fmt(arg);
26513856 2865 return 0;
e4b89522
LW
2866}
2867
b81d6235 2868static int opt_sync(const char *opt, const char *arg)
638c9d91
FB
2869{
2870 if (!strcmp(arg, "audio"))
2871 av_sync_type = AV_SYNC_AUDIO_MASTER;
2872 else if (!strcmp(arg, "video"))
2873 av_sync_type = AV_SYNC_VIDEO_MASTER;
2874 else if (!strcmp(arg, "ext"))
2875 av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
aab1b7e5 2876 else {
b81d6235 2877 fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
aab1b7e5
SS
2878 exit(1);
2879 }
b81d6235 2880 return 0;
638c9d91
FB
2881}
2882
e11bc2c6 2883static int opt_seek(const char *opt, const char *arg)
72ea344b 2884{
e11bc2c6
SS
2885 start_time = parse_time_or_die(opt, arg, 1);
2886 return 0;
72ea344b
FB
2887}
2888
d834d63b
RK
2889static int opt_duration(const char *opt, const char *arg)
2890{
2891 duration = parse_time_or_die(opt, arg, 1);
2892 return 0;
2893}
2894
a5b3b5f6 2895static int opt_debug(const char *opt, const char *arg)
e26a8335 2896{
a309073b 2897 av_log_set_level(99);
a5b3b5f6
SS
2898 debug = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2899 return 0;
e26a8335 2900}
115329f1 2901
a5b3b5f6 2902static int opt_vismv(const char *opt, const char *arg)
0c9bbaec 2903{
a5b3b5f6
SS
2904 debug_mv = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2905 return 0;
0c9bbaec 2906}
c62c07d3 2907
a5b3b5f6 2908static int opt_thread_count(const char *opt, const char *arg)
c62c07d3 2909{
a5b3b5f6 2910 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
b250f9c6 2911#if !HAVE_THREADS
c62c07d3
MN
2912 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2913#endif
a5b3b5f6 2914 return 0;
c62c07d3 2915}
115329f1 2916
358061f6 2917static const OptionDef options[] = {
992f8eae 2918#include "cmdutils_common_opts.h"
26513856
SS
2919 { "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
2920 { "y", HAS_ARG, {(void*)opt_height}, "force displayed height", "height" },
e4b89522 2921 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
638c9d91 2922 { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
01310af2
FB
2923 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2924 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
72415b2a
SS
2925 { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
2926 { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
2927 { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
26513856
SS
2928 { "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
2929 { "t", HAS_ARG, {(void*)&opt_duration}, "play \"duration\" seconds of audio/video", "duration" },
674fe163 2930 { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
01310af2
FB
2931 { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
2932 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
e4b89522 2933 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
98ae6acf 2934 { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
26513856 2935 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
6387c3e6 2936 { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
26513856 2937 { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
6fc5b059 2938 { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
30bc6613 2939 { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
59055363 2940 { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
178fcca8 2941 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
8c3eba7c
MN
2942 { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
2943 { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
2944 { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
178fcca8 2945 { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
047599a4 2946 { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)", "threshold" },
1b51e051 2947 { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
26513856
SS
2948 { "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
2949 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
2d1653b0 2950 { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
066ce8c9
AS
2951 { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
2952 { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
1922c0a7 2953 { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
d38c9e7a 2954 { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
076db5ed 2955 { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
917d2bb3 2956#if CONFIG_AVFILTER
09ed11e5 2957 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
917d2bb3 2958#endif
2b3da32f 2959 { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
26513856 2960 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
91199cfe 2961 { "i", 0, {NULL}, "ffmpeg compatibility dummy option", ""},
01310af2
FB
2962 { NULL, },
2963};
2964
0c2a18cb 2965static void show_usage(void)
01310af2 2966{
27daa420
RP
2967 printf("Simple media player\n");
2968 printf("usage: ffplay [options] input_file\n");
01310af2 2969 printf("\n");
0c2a18cb
RP
2970}
2971
2972static void show_help(void)
2973{
f66eb58e 2974 av_log_set_callback(log_callback_help);
0c2a18cb 2975 show_usage();
02d504a7
FB
2976 show_help_options(options, "Main options:\n",
2977 OPT_EXPERT, 0);
2978 show_help_options(options, "\nAdvanced options:\n",
2979 OPT_EXPERT, OPT_EXPERT);
f66eb58e
SS
2980 printf("\n");
2981 av_opt_show2(avcodec_opts[0], NULL,
2982 AV_OPT_FLAG_DECODING_PARAM, 0);
2983 printf("\n");
2984 av_opt_show2(avformat_opts, NULL,
2985 AV_OPT_FLAG_DECODING_PARAM, 0);
2986#if !CONFIG_AVFILTER
2987 printf("\n");
2988 av_opt_show2(sws_opts, NULL,
2989 AV_OPT_FLAG_ENCODING_PARAM, 0);
2990#endif
01310af2
FB
2991 printf("\nWhile playing:\n"
2992 "q, ESC quit\n"
2993 "f toggle full screen\n"
2994 "p, SPC pause\n"
638c9d91
FB
2995 "a cycle audio channel\n"
2996 "v cycle video channel\n"
72ce053b 2997 "t cycle subtitle channel\n"
638c9d91 2998 "w show audio waves\n"
79f8b328 2999 "s activate frame-step mode\n"
72ea344b
FB
3000 "left/right seek backward/forward 10 seconds\n"
3001 "down/up seek backward/forward 1 minute\n"
a11d11aa 3002 "mouse click seek to percentage in file corresponding to fraction of width\n"
01310af2 3003 );
01310af2
FB
3004}
3005
358061f6 3006static void opt_input_file(const char *filename)
01310af2 3007{
07a70b38
SS
3008 if (input_filename) {
3009 fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3010 filename, input_filename);
3011 exit(1);
3012 }
e8d83e1c 3013 if (!strcmp(filename, "-"))
9fcfc0b7 3014 filename = "pipe:";
01310af2
FB
3015 input_filename = filename;
3016}
3017
3018/* Called from the main */
3019int main(int argc, char **argv)
3020{
a5c33faa 3021 int flags;
115329f1 3022
6b6bca64
MN
3023 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3024
01310af2 3025 /* register all codecs, demux and protocols */
c721d803 3026 avcodec_register_all();
9b157b0c 3027#if CONFIG_AVDEVICE
c721d803 3028 avdevice_register_all();
9b157b0c 3029#endif
917d2bb3
MN
3030#if CONFIG_AVFILTER
3031 avfilter_register_all();
3032#endif
01310af2
FB
3033 av_register_all();
3034
a5c33faa 3035 init_opts();
e43d7a18 3036
ea9c581f 3037 show_banner();
4cfac5bc 3038
f5da5c93 3039 parse_options(argc, argv, options, opt_input_file);
01310af2 3040
aab1b7e5 3041 if (!input_filename) {
7f11e745 3042 show_usage();
7a7da6b4 3043 fprintf(stderr, "An input file must be specified\n");
7f11e745 3044 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffplay'\n");
aab1b7e5
SS
3045 exit(1);
3046 }
01310af2
FB
3047
3048 if (display_disable) {
3049 video_disable = 1;
3050 }
31319a8c 3051 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
c97f5402
DB
3052#if !defined(__MINGW32__) && !defined(__APPLE__)
3053 flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
31319a8c 3054#endif
01310af2 3055 if (SDL_Init (flags)) {
05ab0b76 3056 fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
01310af2
FB
3057 exit(1);
3058 }
3059
3060 if (!display_disable) {
b250f9c6 3061#if HAVE_SDL_VIDEO_SIZE
3ef17d62
MR
3062 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3063 fs_screen_width = vi->current_w;
3064 fs_screen_height = vi->current_h;
29f3b38a 3065#endif
01310af2
FB
3066 }
3067
3068 SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
01310af2
FB
3069 SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3070 SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3071
39c6a118
MN
3072 av_init_packet(&flush_pkt);
3073 flush_pkt.data= "FLUSH";
3074
638c9d91 3075 cur_stream = stream_open(input_filename, file_iformat);
01310af2
FB
3076
3077 event_loop();
3078
3079 /* never returns */
3080
3081 return 0;
3082}