dnxhddec: Fix pixel format change
[libav.git] / avplay.c
CommitLineData
01310af2 1/*
266463da 2 * avplay : 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
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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>
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24#include <math.h>
25#include <limits.h>
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26#include <stdint.h>
27
245976da 28#include "libavutil/avstring.h"
2b4abbd6 29#include "libavutil/colorspace.h"
0ebcdf5c 30#include "libavutil/mathematics.h"
718c7b18 31#include "libavutil/pixdesc.h"
737eb597 32#include "libavutil/imgutils.h"
d0e142bb 33#include "libavutil/dict.h"
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34#include "libavutil/parseutils.h"
35#include "libavutil/samplefmt.h"
896bb0d7 36#include "libavutil/time.h"
245976da 37#include "libavformat/avformat.h"
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38#include "libavdevice/avdevice.h"
39#include "libswscale/swscale.h"
f1ffb01e 40#include "libavresample/avresample.h"
41d0eb1c 41#include "libavutil/opt.h"
166621ab 42#include "libavcodec/avfft.h"
01310af2 43
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44#if CONFIG_AVFILTER
45# include "libavfilter/avfilter.h"
ac712309 46# include "libavfilter/buffersink.h"
67339f6e 47# include "libavfilter/buffersrc.h"
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48#endif
49
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50#include "cmdutils.h"
51
52#include <SDL.h>
53#include <SDL_thread.h>
54
2f30a81d 55#ifdef __MINGW32__
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56#undef main /* We don't want SDL to override our main() */
57#endif
58
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59#include <assert.h>
60
266463da 61const char program_name[] = "avplay";
ea9c581f 62const int program_birth_year = 2003;
4cfac5bc 63
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64#define MAX_QUEUE_SIZE (15 * 1024 * 1024)
65#define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
66#define MIN_FRAMES 5
01310af2 67
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68/* SDL audio buffer size, in samples. Should be small to have precise
69 A/V sync as SDL does not have hardware buffer fullness info. */
70#define SDL_AUDIO_BUFFER_SIZE 1024
71
72/* no AV sync correction is done if below the AV sync threshold */
7e0140cb 73#define AV_SYNC_THRESHOLD 0.01
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74/* no AV correction is done if too big error */
75#define AV_NOSYNC_THRESHOLD 10.0
76
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77#define FRAME_SKIP_FACTOR 0.05
78
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79/* maximum audio speed change to get correct sync */
80#define SAMPLE_CORRECTION_PERCENT_MAX 10
81
82/* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
83#define AUDIO_DIFF_AVG_NB 20
84
01310af2 85/* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
da7c65f0 86#define SAMPLE_ARRAY_SIZE (2 * 65536)
01310af2 87
e2718e7a 88static int64_t sws_flags = SWS_BICUBIC;
03ae87a3 89
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90typedef struct PacketQueue {
91 AVPacketList *first_pkt, *last_pkt;
92 int nb_packets;
93 int size;
94 int abort_request;
95 SDL_mutex *mutex;
96 SDL_cond *cond;
97} PacketQueue;
98
562f382c 99#define VIDEO_PICTURE_QUEUE_SIZE 2
72ce053b 100#define SUBPICTURE_QUEUE_SIZE 4
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101
102typedef struct VideoPicture {
c1ef30a6 103 double pts; // presentation timestamp for this picture
248d8fb6 104 double target_clock; // av_gettime_relative() time at which this should be displayed ideally
c1ef30a6 105 int64_t pos; // byte position in file
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106 SDL_Overlay *bmp;
107 int width, height; /* source height & width */
108 int allocated;
fec5777e 109 int reallocate;
716d413c 110 enum AVPixelFormat pix_fmt;
917d2bb3 111
354468fc 112 AVRational sar;
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113} VideoPicture;
114
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115typedef struct SubPicture {
116 double pts; /* presentation time stamp for this picture */
117 AVSubtitle sub;
118} SubPicture;
119
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120enum {
121 AV_SYNC_AUDIO_MASTER, /* default choice */
122 AV_SYNC_VIDEO_MASTER,
638c9d91 123 AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
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124};
125
126typedef struct VideoState {
127 SDL_Thread *parse_tid;
128 SDL_Thread *video_tid;
d38c9e7a 129 SDL_Thread *refresh_tid;
638c9d91 130 AVInputFormat *iformat;
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131 int no_background;
132 int abort_request;
133 int paused;
416e3508 134 int last_paused;
72ea344b 135 int seek_req;
3ba1438d 136 int seek_flags;
72ea344b 137 int64_t seek_pos;
4ed29207 138 int64_t seek_rel;
f5668147 139 int read_pause_return;
01310af2 140 AVFormatContext *ic;
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141
142 int audio_stream;
115329f1 143
01310af2 144 int av_sync_type;
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145 double external_clock; /* external clock base */
146 int64_t external_clock_time;
115329f1 147
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148 double audio_clock;
149 double audio_diff_cum; /* used for AV difference average computation */
150 double audio_diff_avg_coef;
151 double audio_diff_threshold;
152 int audio_diff_avg_count;
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153 AVStream *audio_st;
154 PacketQueue audioq;
155 int audio_hw_buf_size;
e2a2c49f 156 uint8_t silence_buf[SDL_AUDIO_BUFFER_SIZE];
5a4476e2 157 uint8_t *audio_buf;
f199f385 158 uint8_t *audio_buf1;
7fea94ce 159 unsigned int audio_buf_size; /* in bytes */
01310af2 160 int audio_buf_index; /* in bytes */
bea18375 161 AVPacket audio_pkt_temp;
01310af2 162 AVPacket audio_pkt;
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163 enum AVSampleFormat sdl_sample_fmt;
164 uint64_t sdl_channel_layout;
165 int sdl_channels;
6304f78e 166 int sdl_sample_rate;
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167 enum AVSampleFormat resample_sample_fmt;
168 uint64_t resample_channel_layout;
6304f78e 169 int resample_sample_rate;
f1ffb01e 170 AVAudioResampleContext *avr;
f199f385 171 AVFrame *frame;
115329f1 172
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173 int show_audio; /* if true, display audio samples */
174 int16_t sample_array[SAMPLE_ARRAY_SIZE];
175 int sample_array_index;
5e0257e3 176 int last_i_start;
166621ab 177 RDFTContext *rdft;
12eeda34 178 int rdft_bits;
7dbbf6a1 179 FFTSample *rdft_data;
12eeda34 180 int xpos;
115329f1 181
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182 SDL_Thread *subtitle_tid;
183 int subtitle_stream;
184 int subtitle_stream_changed;
185 AVStream *subtitle_st;
186 PacketQueue subtitleq;
187 SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
188 int subpq_size, subpq_rindex, subpq_windex;
189 SDL_mutex *subpq_mutex;
190 SDL_cond *subpq_cond;
115329f1 191
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192 double frame_timer;
193 double frame_last_pts;
194 double frame_last_delay;
c1ef30a6 195 double video_clock; // pts of last decoded frame / predicted pts of next decoded frame
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196 int video_stream;
197 AVStream *video_st;
198 PacketQueue videoq;
c1ef30a6 199 double video_current_pts; // current displayed pts (different from video_clock if frame fifos are used)
248d8fb6 200 double video_current_pts_drift; // video_current_pts - time (av_gettime_relative) at which we updated video_current_pts - used to have running video pts
c1ef30a6 201 int64_t video_current_pos; // current displayed file pos
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202 VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
203 int pictq_size, pictq_rindex, pictq_windex;
204 SDL_mutex *pictq_mutex;
205 SDL_cond *pictq_cond;
917d2bb3 206#if !CONFIG_AVFILTER
3ac56e28 207 struct SwsContext *img_convert_ctx;
917d2bb3 208#endif
115329f1 209
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210 // QETimer *video_timer;
211 char filename[1024];
212 int width, height, xleft, ytop;
41db429d 213
7a8bfa5d 214 PtsCorrectionContext pts_ctx;
41db429d 215
917d2bb3 216#if CONFIG_AVFILTER
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217 AVFilterContext *in_video_filter; // the first filter in the video chain
218 AVFilterContext *out_video_filter; // the last filter in the video chain
917d2bb3 219#endif
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220
221 float skip_frames;
222 float skip_frames_index;
223 int refresh;
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224} VideoState;
225
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226/* options specified by the user */
227static AVInputFormat *file_iformat;
228static const char *input_filename;
076db5ed 229static const char *window_title;
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230static int fs_screen_width;
231static int fs_screen_height;
da7c65f0 232static int screen_width = 0;
fccb19e3 233static int screen_height = 0;
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234static int audio_disable;
235static int video_disable;
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236static int wanted_stream[AVMEDIA_TYPE_NB] = {
237 [AVMEDIA_TYPE_AUDIO] = -1,
238 [AVMEDIA_TYPE_VIDEO] = -1,
239 [AVMEDIA_TYPE_SUBTITLE] = -1,
5b369983 240};
da7c65f0 241static int seek_by_bytes = -1;
01310af2 242static int display_disable;
1e1a0b18 243static int show_status = 1;
638c9d91 244static int av_sync_type = AV_SYNC_AUDIO_MASTER;
72ea344b 245static int64_t start_time = AV_NOPTS_VALUE;
d834d63b 246static int64_t duration = AV_NOPTS_VALUE;
bba04f1e 247static int step = 0;
6387c3e6 248static int workaround_bugs = 1;
6fc5b059 249static int fast = 0;
30bc6613 250static int genpts = 0;
178fcca8 251static int idct = FF_IDCT_AUTO;
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252static enum AVDiscard skip_frame = AVDISCARD_DEFAULT;
253static enum AVDiscard skip_idct = AVDISCARD_DEFAULT;
254static enum AVDiscard skip_loop_filter = AVDISCARD_DEFAULT;
1b51e051 255static int error_concealment = 3;
da7c65f0 256static int decoder_reorder_pts = -1;
041caf1a 257static int noautoexit;
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258static int exit_on_keydown;
259static int exit_on_mousedown;
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260static int loop = 1;
261static int framedrop = 1;
296d0da8 262static int infinite_buffer = 0;
2b3da32f 263
da7c65f0 264static int rdftspeed = 20;
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265#if CONFIG_AVFILTER
266static char *vfilters = NULL;
267#endif
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268
269/* current context */
270static int is_full_screen;
271static VideoState *cur_stream;
5e0257e3 272static int64_t audio_callback_time;
01310af2 273
2c676c33 274static AVPacket flush_pkt;
39c6a118 275
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276#define FF_ALLOC_EVENT (SDL_USEREVENT)
277#define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
638c9d91 278#define FF_QUIT_EVENT (SDL_USEREVENT + 2)
01310af2 279
2c676c33 280static SDL_Surface *screen;
01310af2 281
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282static int packet_queue_put(PacketQueue *q, AVPacket *pkt);
283
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284/* packet queue handling */
285static void packet_queue_init(PacketQueue *q)
286{
287 memset(q, 0, sizeof(PacketQueue));
288 q->mutex = SDL_CreateMutex();
289 q->cond = SDL_CreateCond();
515bd00e 290 packet_queue_put(q, &flush_pkt);
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291}
292
72ea344b 293static void packet_queue_flush(PacketQueue *q)
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294{
295 AVPacketList *pkt, *pkt1;
296
687fae2b 297 SDL_LockMutex(q->mutex);
da7c65f0 298 for (pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
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299 pkt1 = pkt->next;
300 av_free_packet(&pkt->pkt);
da6c4573 301 av_freep(&pkt);
01310af2 302 }
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303 q->last_pkt = NULL;
304 q->first_pkt = NULL;
305 q->nb_packets = 0;
306 q->size = 0;
687fae2b 307 SDL_UnlockMutex(q->mutex);
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308}
309
310static void packet_queue_end(PacketQueue *q)
311{
312 packet_queue_flush(q);
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313 SDL_DestroyMutex(q->mutex);
314 SDL_DestroyCond(q->cond);
315}
316
317static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
318{
319 AVPacketList *pkt1;
320
72ea344b 321 /* duplicate the packet */
da7c65f0 322 if (pkt != &flush_pkt && av_dup_packet(pkt) < 0)
72ea344b 323 return -1;
115329f1 324
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325 pkt1 = av_malloc(sizeof(AVPacketList));
326 if (!pkt1)
327 return -1;
328 pkt1->pkt = *pkt;
329 pkt1->next = NULL;
330
72ea344b 331
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332 SDL_LockMutex(q->mutex);
333
334 if (!q->last_pkt)
335
336 q->first_pkt = pkt1;
337 else
338 q->last_pkt->next = pkt1;
339 q->last_pkt = pkt1;
340 q->nb_packets++;
7b776589 341 q->size += pkt1->pkt.size + sizeof(*pkt1);
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342 /* XXX: should duplicate packet data in DV case */
343 SDL_CondSignal(q->cond);
344
345 SDL_UnlockMutex(q->mutex);
346 return 0;
347}
348
349static void packet_queue_abort(PacketQueue *q)
350{
351 SDL_LockMutex(q->mutex);
352
353 q->abort_request = 1;
115329f1 354
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355 SDL_CondSignal(q->cond);
356
357 SDL_UnlockMutex(q->mutex);
358}
359
360/* return < 0 if aborted, 0 if no packet and > 0 if packet. */
361static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
362{
363 AVPacketList *pkt1;
364 int ret;
365
366 SDL_LockMutex(q->mutex);
367
da7c65f0 368 for (;;) {
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369 if (q->abort_request) {
370 ret = -1;
371 break;
372 }
115329f1 373
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374 pkt1 = q->first_pkt;
375 if (pkt1) {
376 q->first_pkt = pkt1->next;
377 if (!q->first_pkt)
378 q->last_pkt = NULL;
379 q->nb_packets--;
7b776589 380 q->size -= pkt1->pkt.size + sizeof(*pkt1);
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381 *pkt = pkt1->pkt;
382 av_free(pkt1);
383 ret = 1;
384 break;
385 } else if (!block) {
386 ret = 0;
387 break;
388 } else {
389 SDL_CondWait(q->cond, q->mutex);
390 }
391 }
392 SDL_UnlockMutex(q->mutex);
393 return ret;
394}
395
115329f1 396static inline void fill_rectangle(SDL_Surface *screen,
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397 int x, int y, int w, int h, int color)
398{
399 SDL_Rect rect;
400 rect.x = x;
401 rect.y = y;
402 rect.w = w;
403 rect.h = h;
404 SDL_FillRect(screen, &rect, color);
405}
406
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407#define ALPHA_BLEND(a, oldp, newp, s)\
408((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
409
410#define RGBA_IN(r, g, b, a, s)\
411{\
412 unsigned int v = ((const uint32_t *)(s))[0];\
413 a = (v >> 24) & 0xff;\
414 r = (v >> 16) & 0xff;\
415 g = (v >> 8) & 0xff;\
416 b = v & 0xff;\
417}
418
419#define YUVA_IN(y, u, v, a, s, pal)\
420{\
57cf99f2 421 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
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422 a = (val >> 24) & 0xff;\
423 y = (val >> 16) & 0xff;\
424 u = (val >> 8) & 0xff;\
425 v = val & 0xff;\
426}
427
428#define YUVA_OUT(d, y, u, v, a)\
429{\
430 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
431}
432
433
434#define BPP 1
435
0a8cd696 436static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
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437{
438 int wrap, wrap3, width2, skip2;
439 int y, u, v, a, u1, v1, a1, w, h;
440 uint8_t *lum, *cb, *cr;
441 const uint8_t *p;
442 const uint32_t *pal;
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443 int dstx, dsty, dstw, dsth;
444
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445 dstw = av_clip(rect->w, 0, imgw);
446 dsth = av_clip(rect->h, 0, imgh);
447 dstx = av_clip(rect->x, 0, imgw - dstw);
448 dsty = av_clip(rect->y, 0, imgh - dsth);
9cb5a11e 449 lum = dst->data[0] + dsty * dst->linesize[0];
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450 cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
451 cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
9cb5a11e 452
f54b31b9 453 width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
9cb5a11e 454 skip2 = dstx >> 1;
72ce053b 455 wrap = dst->linesize[0];
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456 wrap3 = rect->pict.linesize[0];
457 p = rect->pict.data[0];
458 pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
115329f1 459
9cb5a11e
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460 if (dsty & 1) {
461 lum += dstx;
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462 cb += skip2;
463 cr += skip2;
115329f1 464
9cb5a11e 465 if (dstx & 1) {
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466 YUVA_IN(y, u, v, a, p, pal);
467 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
468 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
469 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
470 cb++;
471 cr++;
472 lum++;
473 p += BPP;
474 }
da7c65f0 475 for (w = dstw - (dstx & 1); w >= 2; w -= 2) {
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476 YUVA_IN(y, u, v, a, p, pal);
477 u1 = u;
478 v1 = v;
479 a1 = a;
480 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
481
482 YUVA_IN(y, u, v, a, p + BPP, pal);
483 u1 += u;
484 v1 += v;
485 a1 += a;
486 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
487 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
488 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
489 cb++;
490 cr++;
491 p += 2 * BPP;
492 lum += 2;
493 }
494 if (w) {
495 YUVA_IN(y, u, v, a, p, pal);
496 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
497 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
498 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
676ef505
BA
499 p++;
500 lum++;
72ce053b 501 }
4606a059
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502 p += wrap3 - dstw * BPP;
503 lum += wrap - dstw - dstx;
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504 cb += dst->linesize[1] - width2 - skip2;
505 cr += dst->linesize[2] - width2 - skip2;
506 }
da7c65f0 507 for (h = dsth - (dsty & 1); h >= 2; h -= 2) {
9cb5a11e 508 lum += dstx;
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509 cb += skip2;
510 cr += skip2;
115329f1 511
9cb5a11e 512 if (dstx & 1) {
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513 YUVA_IN(y, u, v, a, p, pal);
514 u1 = u;
515 v1 = v;
516 a1 = a;
517 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
518 p += wrap3;
519 lum += wrap;
520 YUVA_IN(y, u, v, a, p, pal);
521 u1 += u;
522 v1 += v;
523 a1 += a;
524 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
525 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
526 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
527 cb++;
528 cr++;
529 p += -wrap3 + BPP;
530 lum += -wrap + 1;
531 }
da7c65f0 532 for (w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
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533 YUVA_IN(y, u, v, a, p, pal);
534 u1 = u;
535 v1 = v;
536 a1 = a;
537 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
538
f8ca63e8 539 YUVA_IN(y, u, v, a, p + BPP, pal);
72ce053b
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540 u1 += u;
541 v1 += v;
542 a1 += a;
543 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
544 p += wrap3;
545 lum += wrap;
546
547 YUVA_IN(y, u, v, a, p, pal);
548 u1 += u;
549 v1 += v;
550 a1 += a;
551 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
552
f8ca63e8 553 YUVA_IN(y, u, v, a, p + BPP, pal);
72ce053b
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554 u1 += u;
555 v1 += v;
556 a1 += a;
557 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
558
559 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
560 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
561
562 cb++;
563 cr++;
564 p += -wrap3 + 2 * BPP;
565 lum += -wrap + 2;
566 }
567 if (w) {
568 YUVA_IN(y, u, v, a, p, pal);
569 u1 = u;
570 v1 = v;
571 a1 = a;
572 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
573 p += wrap3;
574 lum += wrap;
575 YUVA_IN(y, u, v, a, p, pal);
576 u1 += u;
577 v1 += v;
578 a1 += a;
579 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
580 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
581 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
582 cb++;
583 cr++;
584 p += -wrap3 + BPP;
585 lum += -wrap + 1;
586 }
9cb5a11e
RD
587 p += wrap3 + (wrap3 - dstw * BPP);
588 lum += wrap + (wrap - dstw - dstx);
72ce053b
IC
589 cb += dst->linesize[1] - width2 - skip2;
590 cr += dst->linesize[2] - width2 - skip2;
591 }
592 /* handle odd height */
593 if (h) {
9cb5a11e 594 lum += dstx;
72ce053b
IC
595 cb += skip2;
596 cr += skip2;
115329f1 597
9cb5a11e 598 if (dstx & 1) {
72ce053b
IC
599 YUVA_IN(y, u, v, a, p, pal);
600 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
601 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
602 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
603 cb++;
604 cr++;
605 lum++;
606 p += BPP;
607 }
da7c65f0 608 for (w = dstw - (dstx & 1); w >= 2; w -= 2) {
72ce053b
IC
609 YUVA_IN(y, u, v, a, p, pal);
610 u1 = u;
611 v1 = v;
612 a1 = a;
613 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
614
615 YUVA_IN(y, u, v, a, p + BPP, pal);
616 u1 += u;
617 v1 += v;
618 a1 += a;
619 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
620 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
621 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
622 cb++;
623 cr++;
624 p += 2 * BPP;
625 lum += 2;
626 }
627 if (w) {
628 YUVA_IN(y, u, v, a, p, pal);
629 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
630 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
631 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
632 }
633 }
634}
635
636static void free_subpicture(SubPicture *sp)
637{
e1d7c883 638 avsubtitle_free(&sp->sub);
72ce053b
IC
639}
640
01310af2
FB
641static void video_image_display(VideoState *is)
642{
643 VideoPicture *vp;
72ce053b
IC
644 SubPicture *sp;
645 AVPicture pict;
01310af2
FB
646 float aspect_ratio;
647 int width, height, x, y;
648 SDL_Rect rect;
72ce053b 649 int i;
01310af2
FB
650
651 vp = &is->pictq[is->pictq_rindex];
652 if (vp->bmp) {
917d2bb3 653#if CONFIG_AVFILTER
354468fc 654 if (!vp->sar.num)
917d2bb3
MN
655 aspect_ratio = 0;
656 else
354468fc 657 aspect_ratio = av_q2d(vp->sar);
917d2bb3
MN
658#else
659
01310af2 660 /* XXX: use variable in the frame */
c30a4489
AJ
661 if (is->video_st->sample_aspect_ratio.num)
662 aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
663 else if (is->video_st->codec->sample_aspect_ratio.num)
664 aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
72ea344b 665 else
c30a4489 666 aspect_ratio = 0;
917d2bb3 667#endif
01310af2 668 if (aspect_ratio <= 0.0)
c30a4489 669 aspect_ratio = 1.0;
917d2bb3 670 aspect_ratio *= (float)vp->width / (float)vp->height;
01310af2 671
72ce053b
IC
672 if (is->subtitle_st)
673 {
674 if (is->subpq_size > 0)
675 {
676 sp = &is->subpq[is->subpq_rindex];
677
678 if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000))
679 {
680 SDL_LockYUVOverlay (vp->bmp);
681
682 pict.data[0] = vp->bmp->pixels[0];
683 pict.data[1] = vp->bmp->pixels[2];
684 pict.data[2] = vp->bmp->pixels[1];
685
686 pict.linesize[0] = vp->bmp->pitches[0];
687 pict.linesize[1] = vp->bmp->pitches[2];
688 pict.linesize[2] = vp->bmp->pitches[1];
689
690 for (i = 0; i < sp->sub.num_rects; i++)
db4fac64 691 blend_subrect(&pict, sp->sub.rects[i],
0a8cd696 692 vp->bmp->w, vp->bmp->h);
72ce053b
IC
693
694 SDL_UnlockYUVOverlay (vp->bmp);
695 }
696 }
697 }
698
699
01310af2
FB
700 /* XXX: we suppose the screen has a 1.0 pixel ratio */
701 height = is->height;
bb6c34e5 702 width = ((int)rint(height * aspect_ratio)) & ~1;
01310af2
FB
703 if (width > is->width) {
704 width = is->width;
bb6c34e5 705 height = ((int)rint(width / aspect_ratio)) & ~1;
01310af2
FB
706 }
707 x = (is->width - width) / 2;
708 y = (is->height - height) / 2;
6c6c976f 709 is->no_background = 0;
01310af2 710 rect.x = is->xleft + x;
2f6547fb 711 rect.y = is->ytop + y;
01310af2
FB
712 rect.w = width;
713 rect.h = height;
714 SDL_DisplayYUVOverlay(vp->bmp, &rect);
01310af2
FB
715 }
716}
717
3a7c9774
SS
718/* get the current audio output buffer size, in samples. With SDL, we
719 cannot have a precise information */
720static int audio_write_get_buf_size(VideoState *is)
721{
722 return is->audio_buf_size - is->audio_buf_index;
723}
724
01310af2
FB
725static inline int compute_mod(int a, int b)
726{
727 a = a % b;
115329f1 728 if (a >= 0)
01310af2
FB
729 return a;
730 else
731 return a + b;
732}
733
734static void video_audio_display(VideoState *s)
735{
736 int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
737 int ch, channels, h, h2, bgcolor, fgcolor;
738 int16_t time_diff;
4c7c7645
MN
739 int rdft_bits, nb_freq;
740
da7c65f0 741 for (rdft_bits = 1; (1 << rdft_bits) < 2 * s->height; rdft_bits++)
4c7c7645 742 ;
da7c65f0 743 nb_freq = 1 << (rdft_bits - 1);
115329f1 744
01310af2 745 /* compute display index : center on currently output samples */
f1ffb01e 746 channels = s->sdl_channels;
01310af2 747 nb_display_channels = channels;
5e0257e3 748 if (!s->paused) {
da7c65f0 749 int data_used = s->show_audio == 1 ? s->width : (2 * nb_freq);
5e0257e3
FB
750 n = 2 * channels;
751 delay = audio_write_get_buf_size(s);
752 delay /= n;
115329f1 753
5e0257e3
FB
754 /* to be more precise, we take into account the time spent since
755 the last buffer computation */
756 if (audio_callback_time) {
248d8fb6 757 time_diff = av_gettime_relative() - audio_callback_time;
6304f78e 758 delay -= (time_diff * s->sdl_sample_rate) / 1000000;
5e0257e3 759 }
115329f1 760
da7c65f0 761 delay += 2 * data_used;
4c7c7645
MN
762 if (delay < data_used)
763 delay = data_used;
ac50bcc8
MN
764
765 i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
da7c65f0
AD
766 if (s->show_audio == 1) {
767 h = INT_MIN;
768 for (i = 0; i < 1000; i += channels) {
769 int idx = (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
770 int a = s->sample_array[idx];
771 int b = s->sample_array[(idx + 4 * channels) % SAMPLE_ARRAY_SIZE];
772 int c = s->sample_array[(idx + 5 * channels) % SAMPLE_ARRAY_SIZE];
773 int d = s->sample_array[(idx + 9 * channels) % SAMPLE_ARRAY_SIZE];
774 int score = a - d;
775 if (h < score && (b ^ c) < 0) {
776 h = score;
777 i_start = idx;
6c7165c7 778 }
ac50bcc8
MN
779 }
780 }
781
5e0257e3
FB
782 s->last_i_start = i_start;
783 } else {
784 i_start = s->last_i_start;
01310af2
FB
785 }
786
01310af2 787 bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
da7c65f0 788 if (s->show_audio == 1) {
6c7165c7
JM
789 fill_rectangle(screen,
790 s->xleft, s->ytop, s->width, s->height,
791 bgcolor);
792
793 fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
794
795 /* total height for one channel */
796 h = s->height / nb_display_channels;
797 /* graph height / 2 */
798 h2 = (h * 9) / 20;
da7c65f0 799 for (ch = 0; ch < nb_display_channels; ch++) {
6c7165c7
JM
800 i = i_start + ch;
801 y1 = s->ytop + ch * h + (h / 2); /* position of center line */
da7c65f0 802 for (x = 0; x < s->width; x++) {
6c7165c7
JM
803 y = (s->sample_array[i] * h2) >> 15;
804 if (y < 0) {
805 y = -y;
806 ys = y1 - y;
807 } else {
808 ys = y1;
809 }
810 fill_rectangle(screen,
811 s->xleft + x, ys, 1, y,
812 fgcolor);
813 i += channels;
814 if (i >= SAMPLE_ARRAY_SIZE)
815 i -= SAMPLE_ARRAY_SIZE;
01310af2 816 }
01310af2 817 }
01310af2 818
6c7165c7 819 fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
01310af2 820
da7c65f0 821 for (ch = 1; ch < nb_display_channels; ch++) {
6c7165c7
JM
822 y = s->ytop + ch * h;
823 fill_rectangle(screen,
824 s->xleft, y, s->width, 1,
825 fgcolor);
826 }
827 SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
da7c65f0 828 } else {
12eeda34 829 nb_display_channels= FFMIN(nb_display_channels, 2);
da7c65f0 830 if (rdft_bits != s->rdft_bits) {
166621ab 831 av_rdft_end(s->rdft);
7dbbf6a1 832 av_free(s->rdft_data);
166621ab 833 s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
da7c65f0
AD
834 s->rdft_bits = rdft_bits;
835 s->rdft_data = av_malloc(4 * nb_freq * sizeof(*s->rdft_data));
12eeda34 836 }
12eeda34 837 {
7dbbf6a1 838 FFTSample *data[2];
da7c65f0
AD
839 for (ch = 0; ch < nb_display_channels; ch++) {
840 data[ch] = s->rdft_data + 2 * nb_freq * ch;
12eeda34 841 i = i_start + ch;
da7c65f0
AD
842 for (x = 0; x < 2 * nb_freq; x++) {
843 double w = (x-nb_freq) * (1.0 / nb_freq);
844 data[ch][x] = s->sample_array[i] * (1.0 - w * w);
12eeda34
MN
845 i += channels;
846 if (i >= SAMPLE_ARRAY_SIZE)
847 i -= SAMPLE_ARRAY_SIZE;
848 }
166621ab 849 av_rdft_calc(s->rdft, data[ch]);
12eeda34 850 }
03039f4c
DB
851 /* Least efficient way to do this, we should of course
852 * directly access it but it is more than fast enough. */
da7c65f0
AD
853 for (y = 0; y < s->height; y++) {
854 double w = 1 / sqrt(nb_freq);
855 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]));
856 int b = (nb_display_channels == 2 ) ? sqrt(w * sqrt(data[1][2 * y + 0] * data[1][2 * y + 0]
857 + data[1][2 * y + 1] * data[1][2 * y + 1])) : a;
858 a = FFMIN(a, 255);
859 b = FFMIN(b, 255);
860 fgcolor = SDL_MapRGB(screen->format, a, b, (a + b) / 2);
12eeda34
MN
861
862 fill_rectangle(screen,
863 s->xpos, s->height-y, 1, 1,
864 fgcolor);
865 }
866 }
867 SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
868 s->xpos++;
da7c65f0 869 if (s->xpos >= s->width)
12eeda34
MN
870 s->xpos= s->xleft;
871 }
01310af2
FB
872}
873
da7c65f0
AD
874static int video_open(VideoState *is)
875{
876 int flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL;
990c8438
MN
877 int w,h;
878
da7c65f0
AD
879 if (is_full_screen) flags |= SDL_FULLSCREEN;
880 else flags |= SDL_RESIZABLE;
fb84155b 881
990c8438
MN
882 if (is_full_screen && fs_screen_width) {
883 w = fs_screen_width;
884 h = fs_screen_height;
da7c65f0 885 } else if (!is_full_screen && screen_width) {
fb84155b
MN
886 w = screen_width;
887 h = screen_height;
917d2bb3 888#if CONFIG_AVFILTER
da7c65f0 889 } else if (is->out_video_filter && is->out_video_filter->inputs[0]) {
917d2bb3
MN
890 w = is->out_video_filter->inputs[0]->w;
891 h = is->out_video_filter->inputs[0]->h;
892#else
da7c65f0 893 } else if (is->video_st && is->video_st->codec->width) {
fb84155b
MN
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 }
da7c65f0 901 if (screen && is->width == screen->w && screen->w == w
d3d7b12e
MN
902 && is->height== screen->h && screen->h == h)
903 return 0;
904
ec5e5212
LB
905#if defined(__APPLE__) && !SDL_VERSION_ATLEAST(1, 2, 14)
906 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X and older SDL */
990c8438 907 screen = SDL_SetVideoMode(w, h, 24, flags);
ec5e5212
LB
908#else
909 screen = SDL_SetVideoMode(w, h, 0, flags);
990c8438
MN
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 918
da7c65f0 919 is->width = screen->w;
990c8438
MN
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{
da7c65f0 928 if (!screen)
8c982c5d 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 938 VideoState *is= opaque;
da7c65f0 939 while (!is->abort_request) {
d881a0e8
SS
940 SDL_Event event;
941 event.type = FF_REFRESH_EVENT;
942 event.user.data1 = opaque;
da7c65f0
AD
943 if (!is->refresh) {
944 is->refresh = 1;
d881a0e8 945 SDL_PushEvent(&event);
d38c9e7a 946 }
896bb0d7 947 av_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) {
6304f78e 961 bytes_per_sec = is->sdl_sample_rate * is->sdl_channels *
f1ffb01e 962 av_get_bytes_per_sample(is->sdl_sample_fmt);
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 {
248d8fb6 975 return is->video_current_pts_drift + av_gettime_relative() / 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;
248d8fb6 983 ti = av_gettime_relative();
638c9d91
FB
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 1024 if (is->paused) {
248d8fb6 1025 is->frame_timer += av_gettime_relative() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
da7c65f0 1026 if (is->read_pause_return != AVERROR(ENOSYS)) {
248d8fb6 1027 is->video_current_pts = is->video_current_pts_drift + av_gettime_relative() / 1000000.0;
f5668147 1028 }
248d8fb6 1029 is->video_current_pts_drift = is->video_current_pts - av_gettime_relative() / 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{
06f4b1e3 1036 double delay, sync_threshold, diff = 0;
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 1067
1a3eb042 1068 av_log(NULL, AV_LOG_TRACE, "video: delay=%0.3f pts=%0.3f A-V=%f\n",
8543f0f9 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) {
da7c65f0 1085 // nothing to do, no picture to display in the que
01310af2 1086 } else {
248d8fb6 1087 double time = av_gettime_relative() / 1000000.0;
d38c9e7a 1088 double next_target;
638c9d91 1089 /* dequeue the picture */
01310af2 1090 vp = &is->pictq[is->pictq_rindex];
638c9d91 1091
da7c65f0 1092 if (time < vp->target_clock)
d38c9e7a 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;
da7c65f0
AD
1098 if (is->pictq_size > 1) {
1099 VideoPicture *nextvp = &is->pictq[(is->pictq_rindex + 1) % VIDEO_PICTURE_QUEUE_SIZE];
d38c9e7a
MN
1100 assert(nextvp->target_clock >= vp->target_clock);
1101 next_target= nextvp->target_clock;
da7c65f0
AD
1102 } else {
1103 next_target = vp->target_clock + is->video_clock - vp->pts; // FIXME pass durations cleanly
d38c9e7a 1104 }
da7c65f0 1105 if (framedrop && time > next_target) {
d38c9e7a 1106 is->skip_frames *= 1.0 + FRAME_SKIP_FACTOR;
da7c65f0 1107 if (is->pictq_size > 1 || time > next_target + 0.5) {
d38c9e7a
MN
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
da7c65f0 1120 if (is->subtitle_st) {
72ce053b
IC
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
248d8fb6 1193 cur_time = av_gettime_relative();
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",
da7c65f0
AD
1208 get_master_clock(is), av_diff, FFMAX(is->skip_frames - 1, 0), aqsize / 1024,
1209 vqsize / 1024, sqsize, is->pts_ctx.num_faulty_dts, is->pts_ctx.num_faulty_pts);
01310af2
FB
1210 fflush(stdout);
1211 last_time = cur_time;
1212 }
1213 }
1214}
1215
f7b8c814
MS
1216static void stream_close(VideoState *is)
1217{
1218 VideoPicture *vp;
1219 int i;
1220 /* XXX: use a special url_shutdown call to abort parse cleanly */
1221 is->abort_request = 1;
1222 SDL_WaitThread(is->parse_tid, NULL);
1223 SDL_WaitThread(is->refresh_tid, NULL);
1224
1225 /* free all pictures */
da7c65f0 1226 for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
f7b8c814 1227 vp = &is->pictq[i];
f7b8c814
MS
1228 if (vp->bmp) {
1229 SDL_FreeYUVOverlay(vp->bmp);
1230 vp->bmp = NULL;
1231 }
1232 }
1233 SDL_DestroyMutex(is->pictq_mutex);
1234 SDL_DestroyCond(is->pictq_cond);
1235 SDL_DestroyMutex(is->subpq_mutex);
1236 SDL_DestroyCond(is->subpq_cond);
1237#if !CONFIG_AVFILTER
1238 if (is->img_convert_ctx)
1239 sws_freeContext(is->img_convert_ctx);
1240#endif
1241 av_free(is);
1242}
1243
1244static void do_exit(void)
1245{
f7b8c814
MS
1246 if (cur_stream) {
1247 stream_close(cur_stream);
1248 cur_stream = NULL;
1249 }
a5c33faa 1250 uninit_opts();
776f2bb9 1251 avformat_network_deinit();
f7b8c814
MS
1252 if (show_status)
1253 printf("\n");
1254 SDL_Quit();
6b6bca64 1255 av_log(NULL, AV_LOG_QUIET, "");
f7b8c814
MS
1256 exit(0);
1257}
1258
01310af2
FB
1259/* allocate a picture (needs to do that in main thread to avoid
1260 potential locking problems */
1261static void alloc_picture(void *opaque)
1262{
1263 VideoState *is = opaque;
1264 VideoPicture *vp;
01310af2
FB
1265
1266 vp = &is->pictq[is->pictq_windex];
1267
1268 if (vp->bmp)
1269 SDL_FreeYUVOverlay(vp->bmp);
1270
917d2bb3 1271#if CONFIG_AVFILTER
917d2bb3
MN
1272 vp->width = is->out_video_filter->inputs[0]->w;
1273 vp->height = is->out_video_filter->inputs[0]->h;
1274 vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1275#else
1276 vp->width = is->video_st->codec->width;
1277 vp->height = is->video_st->codec->height;
1278 vp->pix_fmt = is->video_st->codec->pix_fmt;
1279#endif
1280
1281 vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
115329f1 1282 SDL_YV12_OVERLAY,
61890b02 1283 screen);
cb036f90
MS
1284 if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
1285 /* SDL allocates a buffer smaller than requested if the video
1286 * overlay hardware is unable to support the requested size. */
1287 fprintf(stderr, "Error: the video system does not support an image\n"
2bcbd984 1288 "size of %dx%d pixels. Try using -vf \"scale=w:h\"\n"
cb036f90
MS
1289 "to reduce the image size.\n", vp->width, vp->height );
1290 do_exit();
1291 }
01310af2
FB
1292
1293 SDL_LockMutex(is->pictq_mutex);
1294 vp->allocated = 1;
1295 SDL_CondSignal(is->pictq_cond);
1296 SDL_UnlockMutex(is->pictq_mutex);
1297}
1298
c1ef30a6
DB
1299/* The 'pts' parameter is the dts of the packet / pts of the frame and
1300 * guessed if not known. */
1a620dd7 1301static int queue_picture(VideoState *is, AVFrame *src_frame, double pts, int64_t pos)
01310af2
FB
1302{
1303 VideoPicture *vp;
917d2bb3
MN
1304#if CONFIG_AVFILTER
1305 AVPicture pict_src;
f3876ea4 1306#else
716d413c 1307 int dst_pix_fmt = AV_PIX_FMT_YUV420P;
917d2bb3 1308#endif
01310af2
FB
1309 /* wait until we have space to put a new picture */
1310 SDL_LockMutex(is->pictq_mutex);
d38c9e7a 1311
da7c65f0
AD
1312 if (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE && !is->refresh)
1313 is->skip_frames = FFMAX(1.0 - FRAME_SKIP_FACTOR, is->skip_frames * (1.0 - FRAME_SKIP_FACTOR));
d38c9e7a 1314
01310af2
FB
1315 while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1316 !is->videoq.abort_request) {
1317 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1318 }
1319 SDL_UnlockMutex(is->pictq_mutex);
115329f1 1320
01310af2
FB
1321 if (is->videoq.abort_request)
1322 return -1;
1323
1324 vp = &is->pictq[is->pictq_windex];
1325
cf280ed0
MS
1326 vp->sar = src_frame->sample_aspect_ratio;
1327
01310af2 1328 /* alloc or resize hardware picture buffer */
fec5777e 1329 if (!vp->bmp || vp->reallocate ||
917d2bb3
MN
1330#if CONFIG_AVFILTER
1331 vp->width != is->out_video_filter->inputs[0]->w ||
1332 vp->height != is->out_video_filter->inputs[0]->h) {
1333#else
01f4895c
MN
1334 vp->width != is->video_st->codec->width ||
1335 vp->height != is->video_st->codec->height) {
917d2bb3 1336#endif
01310af2
FB
1337 SDL_Event event;
1338
fec5777e
MB
1339 vp->allocated = 0;
1340 vp->reallocate = 0;
01310af2
FB
1341
1342 /* the allocation must be done in the main thread to avoid
1343 locking problems */
1344 event.type = FF_ALLOC_EVENT;
1345 event.user.data1 = is;
1346 SDL_PushEvent(&event);
115329f1 1347
01310af2
FB
1348 /* wait until the picture is allocated */
1349 SDL_LockMutex(is->pictq_mutex);
1350 while (!vp->allocated && !is->videoq.abort_request) {
1351 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1352 }
1353 SDL_UnlockMutex(is->pictq_mutex);
1354
1355 if (is->videoq.abort_request)
1356 return -1;
1357 }
1358
638c9d91 1359 /* if the frame is not skipped, then display it */
01310af2 1360 if (vp->bmp) {
a92be9b8 1361 AVPicture pict = { { 0 } };
fbf1b885 1362
01310af2
FB
1363 /* get a pointer on the bitmap */
1364 SDL_LockYUVOverlay (vp->bmp);
1365
01310af2
FB
1366 pict.data[0] = vp->bmp->pixels[0];
1367 pict.data[1] = vp->bmp->pixels[2];
1368 pict.data[2] = vp->bmp->pixels[1];
1369
1370 pict.linesize[0] = vp->bmp->pitches[0];
1371 pict.linesize[1] = vp->bmp->pitches[2];
1372 pict.linesize[2] = vp->bmp->pitches[1];
917d2bb3
MN
1373
1374#if CONFIG_AVFILTER
1375 pict_src.data[0] = src_frame->data[0];
1376 pict_src.data[1] = src_frame->data[1];
1377 pict_src.data[2] = src_frame->data[2];
1378
1379 pict_src.linesize[0] = src_frame->linesize[0];
1380 pict_src.linesize[1] = src_frame->linesize[1];
1381 pict_src.linesize[2] = src_frame->linesize[2];
1382
da7c65f0 1383 // FIXME use direct rendering
917d2bb3
MN
1384 av_picture_copy(&pict, &pict_src,
1385 vp->pix_fmt, vp->width, vp->height);
1386#else
e2718e7a 1387 av_opt_get_int(sws_opts, "sws_flags", 0, &sws_flags);
3ac56e28 1388 is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
917d2bb3 1389 vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
feb7bc67 1390 dst_pix_fmt, sws_flags, NULL, NULL, NULL);
f929ab05 1391 if (!is->img_convert_ctx) {
26ba8235
AB
1392 fprintf(stderr, "Cannot initialize the conversion context\n");
1393 exit(1);
1394 }
3ac56e28 1395 sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
917d2bb3
MN
1396 0, vp->height, pict.data, pict.linesize);
1397#endif
01310af2
FB
1398 /* update the bitmap content */
1399 SDL_UnlockYUVOverlay(vp->bmp);
1400
638c9d91 1401 vp->pts = pts;
1a620dd7 1402 vp->pos = pos;
01310af2
FB
1403
1404 /* now we can update the picture count */
1405 if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1406 is->pictq_windex = 0;
1407 SDL_LockMutex(is->pictq_mutex);
da7c65f0 1408 vp->target_clock = compute_target_time(vp->pts, is);
d38c9e7a 1409
01310af2
FB
1410 is->pictq_size++;
1411 SDL_UnlockMutex(is->pictq_mutex);
1412 }
638c9d91
FB
1413 return 0;
1414}
1415
c1ef30a6
DB
1416/* Compute the exact PTS for the picture if it is omitted in the stream.
1417 * The 'pts1' parameter is the dts of the packet / pts of the frame. */
1a620dd7 1418static int output_picture2(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
638c9d91
FB
1419{
1420 double frame_delay, pts;
354468fc 1421 int ret;
115329f1 1422
638c9d91
FB
1423 pts = pts1;
1424
01310af2 1425 if (pts != 0) {
638c9d91 1426 /* update video clock with pts, if present */
01310af2
FB
1427 is->video_clock = pts;
1428 } else {
72ea344b
FB
1429 pts = is->video_clock;
1430 }
1431 /* update video clock for next frame */
01f4895c 1432 frame_delay = av_q2d(is->video_st->codec->time_base);
72ea344b
FB
1433 /* for MPEG2, the frame can be repeated, so we update the
1434 clock accordingly */
267e9dfa 1435 frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
72ea344b 1436 is->video_clock += frame_delay;
638c9d91 1437
354468fc
AK
1438 ret = queue_picture(is, src_frame, pts, pos);
1439 av_frame_unref(src_frame);
1440 return ret;
01310af2
FB
1441}
1442
3966a574 1443static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
01310af2 1444{
98704131 1445 int got_picture, i;
01310af2 1446
199c18a7
SS
1447 if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1448 return -1;
6c7d3ead 1449
199c18a7
SS
1450 if (pkt->data == flush_pkt.data) {
1451 avcodec_flush_buffers(is->video_st->codec);
6c7d3ead 1452
199c18a7 1453 SDL_LockMutex(is->pictq_mutex);
da7c65f0 1454 // Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
199c18a7
SS
1455 for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
1456 is->pictq[i].target_clock= 0;
1457 }
1458 while (is->pictq_size && !is->videoq.abort_request) {
1459 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
39c6a118 1460 }
199c18a7
SS
1461 is->video_current_pos = -1;
1462 SDL_UnlockMutex(is->pictq_mutex);
39c6a118 1463
199c18a7
SS
1464 init_pts_correction(&is->pts_ctx);
1465 is->frame_last_pts = AV_NOPTS_VALUE;
1466 is->frame_last_delay = 0;
248d8fb6 1467 is->frame_timer = (double)av_gettime_relative() / 1000000.0;
199c18a7
SS
1468 is->skip_frames = 1;
1469 is->skip_frames_index = 0;
1470 return 0;
1471 }
7a8bfa5d 1472
98704131 1473 avcodec_decode_video2(is->video_st->codec, frame, &got_picture, pkt);
199c18a7
SS
1474
1475 if (got_picture) {
1476 if (decoder_reorder_pts == -1) {
6b474953 1477 *pts = guess_correct_pts(&is->pts_ctx, frame->pkt_pts, frame->pkt_dts);
199c18a7 1478 } else if (decoder_reorder_pts) {
28550804 1479 *pts = frame->pkt_pts;
199c18a7 1480 } else {
6b474953 1481 *pts = frame->pkt_dts;
199c18a7
SS
1482 }
1483
1484 if (*pts == AV_NOPTS_VALUE) {
1485 *pts = 0;
99e0b12b 1486 }
db0a9432
VP
1487 if (is->video_st->sample_aspect_ratio.num) {
1488 frame->sample_aspect_ratio = is->video_st->sample_aspect_ratio;
1489 }
41db429d 1490
d38c9e7a 1491 is->skip_frames_index += 1;
da7c65f0 1492 if (is->skip_frames_index >= is->skip_frames) {
d38c9e7a
MN
1493 is->skip_frames_index -= FFMAX(is->skip_frames, 1.0);
1494 return 1;
1495 }
354468fc 1496 av_frame_unref(frame);
d38c9e7a 1497 }
917d2bb3
MN
1498 return 0;
1499}
1500
1501#if CONFIG_AVFILTER
75ea596d 1502static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters)
917d2bb3 1503{
3f073fa2 1504 char sws_flags_str[128];
67339f6e 1505 char buffersrc_args[256];
75ea596d 1506 int ret;
ac712309 1507 AVFilterContext *filt_src = NULL, *filt_out = NULL, *filt_format;
67339f6e
AK
1508 AVCodecContext *codec = is->video_st->codec;
1509
e2718e7a 1510 snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%"PRId64, sws_flags);
3f073fa2 1511 graph->scale_sws_opts = av_strdup(sws_flags_str);
917d2bb3 1512
67339f6e
AK
1513 snprintf(buffersrc_args, sizeof(buffersrc_args), "%d:%d:%d:%d:%d:%d:%d",
1514 codec->width, codec->height, codec->pix_fmt,
1515 is->video_st->time_base.num, is->video_st->time_base.den,
1516 codec->sample_aspect_ratio.num, codec->sample_aspect_ratio.den);
1517
1518
1519 if ((ret = avfilter_graph_create_filter(&filt_src,
1520 avfilter_get_by_name("buffer"),
1521 "src", buffersrc_args, NULL,
1522 graph)) < 0)
71a1d111 1523 return ret;
ac712309
AK
1524 if ((ret = avfilter_graph_create_filter(&filt_out,
1525 avfilter_get_by_name("buffersink"),
1526 "out", NULL, NULL, graph)) < 0)
71a1d111 1527 return ret;
917d2bb3 1528
ac712309
AK
1529 if ((ret = avfilter_graph_create_filter(&filt_format,
1530 avfilter_get_by_name("format"),
1531 "format", "yuv420p", NULL, graph)) < 0)
1532 return ret;
1533 if ((ret = avfilter_link(filt_format, 0, filt_out, 0)) < 0)
1534 return ret;
1535
1536
da7c65f0 1537 if (vfilters) {
91d3cbe0
SS
1538 AVFilterInOut *outputs = avfilter_inout_alloc();
1539 AVFilterInOut *inputs = avfilter_inout_alloc();
917d2bb3
MN
1540
1541 outputs->name = av_strdup("in");
7313132b 1542 outputs->filter_ctx = filt_src;
917d2bb3
MN
1543 outputs->pad_idx = 0;
1544 outputs->next = NULL;
1545
1546 inputs->name = av_strdup("out");
ac712309 1547 inputs->filter_ctx = filt_format;
917d2bb3
MN
1548 inputs->pad_idx = 0;
1549 inputs->next = NULL;
1550
75ea596d 1551 if ((ret = avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL)) < 0)
71a1d111 1552 return ret;
917d2bb3 1553 } else {
ac712309 1554 if ((ret = avfilter_link(filt_src, 0, filt_format, 0)) < 0)
71a1d111 1555 return ret;
917d2bb3 1556 }
917d2bb3 1557
75ea596d 1558 if ((ret = avfilter_graph_config(graph, NULL)) < 0)
71a1d111 1559 return ret;
917d2bb3 1560
67339f6e 1561 is->in_video_filter = filt_src;
917d2bb3 1562 is->out_video_filter = filt_out;
71a1d111 1563
75ea596d
SS
1564 return ret;
1565}
1566
1567#endif /* CONFIG_AVFILTER */
1568
1569static int video_thread(void *arg)
1570{
906f9dce 1571 AVPacket pkt = { 0 };
75ea596d 1572 VideoState *is = arg;
354468fc 1573 AVFrame *frame = av_frame_alloc();
75ea596d
SS
1574 int64_t pts_int;
1575 double pts;
1576 int ret;
1577
1578#if CONFIG_AVFILTER
1579 AVFilterGraph *graph = avfilter_graph_alloc();
67339f6e 1580 AVFilterContext *filt_out = NULL, *filt_in = NULL;
428c59d9
K
1581 int last_w = is->video_st->codec->width;
1582 int last_h = is->video_st->codec->height;
336d2f09
FT
1583 if (!graph) {
1584 av_frame_free(&frame);
d450cb07 1585 return AVERROR(ENOMEM);
336d2f09 1586 }
75ea596d
SS
1587
1588 if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
1589 goto the_end;
67339f6e 1590 filt_in = is->in_video_filter;
75ea596d 1591 filt_out = is->out_video_filter;
917d2bb3
MN
1592#endif
1593
336d2f09
FT
1594 if (!frame) {
1595#if CONFIG_AVFILTER
1596 avfilter_graph_free(&graph);
1597#endif
266f2411 1598 return AVERROR(ENOMEM);
336d2f09 1599 }
266f2411 1600
da7c65f0 1601 for (;;) {
67339f6e 1602#if CONFIG_AVFILTER
387b4ac9 1603 AVRational tb;
917d2bb3
MN
1604#endif
1605 while (is->paused && !is->videoq.abort_request)
1606 SDL_Delay(10);
67339f6e 1607
906f9dce
LB
1608 av_free_packet(&pkt);
1609
67339f6e
AK
1610 ret = get_video_frame(is, frame, &pts_int, &pkt);
1611 if (ret < 0)
1612 goto the_end;
67339f6e
AK
1613
1614 if (!ret)
1615 continue;
1616
917d2bb3 1617#if CONFIG_AVFILTER
428c59d9
K
1618 if ( last_w != is->video_st->codec->width
1619 || last_h != is->video_st->codec->height) {
1a3eb042 1620 av_log(NULL, AV_LOG_TRACE, "Changing size %dx%d -> %dx%d\n", last_w, last_h,
428c59d9
K
1621 is->video_st->codec->width, is->video_st->codec->height);
1622 avfilter_graph_free(&graph);
1623 graph = avfilter_graph_alloc();
1624 if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
1625 goto the_end;
2696789c 1626 filt_in = is->in_video_filter;
428c59d9
K
1627 filt_out = is->out_video_filter;
1628 last_w = is->video_st->codec->width;
1629 last_h = is->video_st->codec->height;
1630 }
67339f6e
AK
1631
1632 frame->pts = pts_int;
354468fc
AK
1633 ret = av_buffersrc_add_frame(filt_in, frame);
1634 if (ret < 0)
1635 goto the_end;
67339f6e
AK
1636
1637 while (ret >= 0) {
354468fc 1638 ret = av_buffersink_get_frame(filt_out, frame);
67339f6e
AK
1639 if (ret < 0) {
1640 ret = 0;
1641 break;
1642 }
1643
354468fc 1644 pts_int = frame->pts;
ac712309 1645 tb = filt_out->inputs[0]->time_base;
67339f6e
AK
1646 if (av_cmp_q(tb, is->video_st->time_base)) {
1647 av_unused int64_t pts1 = pts_int;
1648 pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1a3eb042 1649 av_log(NULL, AV_LOG_TRACE, "video_thread(): "
67339f6e
AK
1650 "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1651 tb.num, tb.den, pts1,
1652 is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1653 }
1654 pts = pts_int * av_q2d(is->video_st->time_base);
354468fc 1655 ret = output_picture2(is, frame, pts, 0);
387b4ac9 1656 }
917d2bb3 1657#else
da7c65f0 1658 pts = pts_int * av_q2d(is->video_st->time_base);
fca62599 1659 ret = output_picture2(is, frame, pts, pkt.pos);
917d2bb3 1660#endif
67339f6e 1661
917d2bb3
MN
1662 if (ret < 0)
1663 goto the_end;
1664
354468fc 1665
115329f1 1666 if (step)
bba04f1e
WH
1667 if (cur_stream)
1668 stream_pause(cur_stream);
01310af2
FB
1669 }
1670 the_end:
917d2bb3 1671#if CONFIG_AVFILTER
e1ce7568 1672 av_freep(&vfilters);
4359288c 1673 avfilter_graph_free(&graph);
917d2bb3 1674#endif
906f9dce 1675 av_free_packet(&pkt);
354468fc 1676 av_frame_free(&frame);
01310af2
FB
1677 return 0;
1678}
1679
72ce053b
IC
1680static int subtitle_thread(void *arg)
1681{
1682 VideoState *is = arg;
1683 SubPicture *sp;
1684 AVPacket pkt1, *pkt = &pkt1;
98704131 1685 int got_subtitle;
72ce053b
IC
1686 double pts;
1687 int i, j;
1688 int r, g, b, y, u, v, a;
1689
da7c65f0 1690 for (;;) {
72ce053b
IC
1691 while (is->paused && !is->subtitleq.abort_request) {
1692 SDL_Delay(10);
1693 }
1694 if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1695 break;
115329f1 1696
da7c65f0 1697 if (pkt->data == flush_pkt.data) {
39c6a118
MN
1698 avcodec_flush_buffers(is->subtitle_st->codec);
1699 continue;
1700 }
72ce053b
IC
1701 SDL_LockMutex(is->subpq_mutex);
1702 while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1703 !is->subtitleq.abort_request) {
1704 SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1705 }
1706 SDL_UnlockMutex(is->subpq_mutex);
115329f1 1707
72ce053b 1708 if (is->subtitleq.abort_request)
71a1d111 1709 return 0;
115329f1 1710
72ce053b
IC
1711 sp = &is->subpq[is->subpq_windex];
1712
1713 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1714 this packet, if any */
1715 pts = 0;
1716 if (pkt->pts != AV_NOPTS_VALUE)
da7c65f0 1717 pts = av_q2d(is->subtitle_st->time_base) * pkt->pts;
72ce053b 1718
98704131
DB
1719 avcodec_decode_subtitle2(is->subtitle_st->codec, &sp->sub,
1720 &got_subtitle, pkt);
1721
72ce053b
IC
1722 if (got_subtitle && sp->sub.format == 0) {
1723 sp->pts = pts;
115329f1 1724
72ce053b
IC
1725 for (i = 0; i < sp->sub.num_rects; i++)
1726 {
db4fac64 1727 for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
72ce053b 1728 {
25b4c651 1729 RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
72ce053b
IC
1730 y = RGB_TO_Y_CCIR(r, g, b);
1731 u = RGB_TO_U_CCIR(r, g, b, 0);
1732 v = RGB_TO_V_CCIR(r, g, b, 0);
25b4c651 1733 YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
72ce053b
IC
1734 }
1735 }
1736
1737 /* now we can update the picture count */
1738 if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1739 is->subpq_windex = 0;
1740 SDL_LockMutex(is->subpq_mutex);
1741 is->subpq_size++;
1742 SDL_UnlockMutex(is->subpq_mutex);
1743 }
1744 av_free_packet(pkt);
72ce053b 1745 }
72ce053b
IC
1746 return 0;
1747}
1748
01310af2
FB
1749/* copy samples for viewing in editor window */
1750static void update_sample_display(VideoState *is, short *samples, int samples_size)
1751{
c713620b 1752 int size, len;
01310af2
FB
1753
1754 size = samples_size / sizeof(short);
1755 while (size > 0) {
1756 len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1757 if (len > size)
1758 len = size;
1759 memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1760 samples += len;
1761 is->sample_array_index += len;
1762 if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1763 is->sample_array_index = 0;
1764 size -= len;
1765 }
1766}
1767
01310af2
FB
1768/* return the new audio buffer size (samples can be added or deleted
1769 to get better sync if video or external master clock) */
115329f1 1770static int synchronize_audio(VideoState *is, short *samples,
638c9d91 1771 int samples_size1, double pts)
01310af2 1772{
638c9d91 1773 int n, samples_size;
01310af2 1774 double ref_clock;
115329f1 1775
f1ffb01e 1776 n = is->sdl_channels * av_get_bytes_per_sample(is->sdl_sample_fmt);
638c9d91 1777 samples_size = samples_size1;
01310af2 1778
01310af2 1779 /* if not master, then we try to remove or add samples to correct the clock */
01310af2 1780 if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
638c9d91
FB
1781 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1782 double diff, avg_diff;
01310af2 1783 int wanted_size, min_size, max_size, nb_samples;
115329f1 1784
638c9d91
FB
1785 ref_clock = get_master_clock(is);
1786 diff = get_audio_clock(is) - ref_clock;
115329f1 1787
638c9d91
FB
1788 if (diff < AV_NOSYNC_THRESHOLD) {
1789 is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1790 if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1791 /* not enough measures to have a correct estimate */
1792 is->audio_diff_avg_count++;
1793 } else {
1794 /* estimate the A-V difference */
1795 avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1796
1797 if (fabs(avg_diff) >= is->audio_diff_threshold) {
6304f78e 1798 wanted_size = samples_size + ((int)(diff * is->sdl_sample_rate) * n);
638c9d91 1799 nb_samples = samples_size / n;
115329f1 1800
638c9d91
FB
1801 min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1802 max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1803 if (wanted_size < min_size)
1804 wanted_size = min_size;
1805 else if (wanted_size > max_size)
1806 wanted_size = max_size;
115329f1 1807
638c9d91
FB
1808 /* add or remove samples to correction the synchro */
1809 if (wanted_size < samples_size) {
1810 /* remove samples */
1811 samples_size = wanted_size;
1812 } else if (wanted_size > samples_size) {
1813 uint8_t *samples_end, *q;
1814 int nb;
115329f1 1815
638c9d91
FB
1816 /* add samples */
1817 nb = (samples_size - wanted_size);
1818 samples_end = (uint8_t *)samples + samples_size - n;
1819 q = samples_end + n;
1820 while (nb > 0) {
1821 memcpy(q, samples_end, n);
1822 q += n;
1823 nb -= n;
1824 }
1825 samples_size = wanted_size;
1826 }
1827 }
1a3eb042 1828 av_log(NULL, AV_LOG_TRACE, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
045dd4b9
DB
1829 diff, avg_diff, samples_size - samples_size1,
1830 is->audio_clock, is->video_clock, is->audio_diff_threshold);
01310af2 1831 }
638c9d91
FB
1832 } else {
1833 /* too big difference : may be initial PTS errors, so
1834 reset A-V filter */
1835 is->audio_diff_avg_count = 0;
da7c65f0 1836 is->audio_diff_cum = 0;
01310af2
FB
1837 }
1838 }
1839
01310af2
FB
1840 return samples_size;
1841}
1842
1843/* decode one audio frame and returns its uncompressed size */
5a4476e2 1844static int audio_decode_frame(VideoState *is, double *pts_ptr)
01310af2 1845{
bea18375 1846 AVPacket *pkt_temp = &is->audio_pkt_temp;
01310af2 1847 AVPacket *pkt = &is->audio_pkt;
da7c65f0 1848 AVCodecContext *dec = is->audio_st->codec;
f199f385 1849 int n, len1, data_size, got_frame;
01310af2 1850 double pts;
59df4b82
JR
1851 int new_packet = 0;
1852 int flush_complete = 0;
01310af2 1853
da7c65f0 1854 for (;;) {
72ea344b 1855 /* NOTE: the audio packet can contain several frames */
59df4b82 1856 while (pkt_temp->size > 0 || (!pkt_temp->data && new_packet)) {
f1ffb01e
JR
1857 int resample_changed, audio_resample;
1858
f199f385 1859 if (!is->frame) {
5b9c3b45 1860 if (!(is->frame = av_frame_alloc()))
f199f385 1861 return AVERROR(ENOMEM);
84f13192 1862 }
f199f385 1863
59df4b82
JR
1864 if (flush_complete)
1865 break;
1866 new_packet = 0;
f199f385 1867 len1 = avcodec_decode_audio4(dec, is->frame, &got_frame, pkt_temp);
72ea344b
FB
1868 if (len1 < 0) {
1869 /* if error, we skip the frame */
bea18375 1870 pkt_temp->size = 0;
01310af2 1871 break;
72ea344b 1872 }
115329f1 1873
bea18375
TB
1874 pkt_temp->data += len1;
1875 pkt_temp->size -= len1;
59df4b82 1876
f199f385 1877 if (!got_frame) {
59df4b82
JR
1878 /* stop sending empty packets if the decoder is finished */
1879 if (!pkt_temp->data && dec->codec->capabilities & CODEC_CAP_DELAY)
1880 flush_complete = 1;
72ea344b 1881 continue;
59df4b82 1882 }
f199f385
JR
1883 data_size = av_samples_get_buffer_size(NULL, dec->channels,
1884 is->frame->nb_samples,
f5962229 1885 is->frame->format, 1);
5a4476e2 1886
6304f78e
JR
1887 audio_resample = is->frame->format != is->sdl_sample_fmt ||
1888 is->frame->channel_layout != is->sdl_channel_layout ||
1889 is->frame->sample_rate != is->sdl_sample_rate;
f1ffb01e 1890
6304f78e
JR
1891 resample_changed = is->frame->format != is->resample_sample_fmt ||
1892 is->frame->channel_layout != is->resample_channel_layout ||
1893 is->frame->sample_rate != is->resample_sample_rate;
f1ffb01e
JR
1894
1895 if ((!is->avr && audio_resample) || resample_changed) {
85e5b866 1896 int ret;
f1ffb01e
JR
1897 if (is->avr)
1898 avresample_close(is->avr);
1899 else if (audio_resample) {
f1ffb01e
JR
1900 is->avr = avresample_alloc_context();
1901 if (!is->avr) {
1902 fprintf(stderr, "error allocating AVAudioResampleContext\n");
5a4476e2 1903 break;
f1ffb01e 1904 }
85e5b866
JR
1905 }
1906 if (audio_resample) {
f5962229
JR
1907 av_opt_set_int(is->avr, "in_channel_layout", is->frame->channel_layout, 0);
1908 av_opt_set_int(is->avr, "in_sample_fmt", is->frame->format, 0);
1909 av_opt_set_int(is->avr, "in_sample_rate", is->frame->sample_rate, 0);
6304f78e
JR
1910 av_opt_set_int(is->avr, "out_channel_layout", is->sdl_channel_layout, 0);
1911 av_opt_set_int(is->avr, "out_sample_fmt", is->sdl_sample_fmt, 0);
1912 av_opt_set_int(is->avr, "out_sample_rate", is->sdl_sample_rate, 0);
f1ffb01e
JR
1913
1914 if ((ret = avresample_open(is->avr)) < 0) {
1915 fprintf(stderr, "error initializing libavresample\n");
1916 break;
1917 }
5a4476e2 1918 }
f5962229
JR
1919 is->resample_sample_fmt = is->frame->format;
1920 is->resample_channel_layout = is->frame->channel_layout;
6304f78e 1921 is->resample_sample_rate = is->frame->sample_rate;
5a4476e2
PR
1922 }
1923
f1ffb01e
JR
1924 if (audio_resample) {
1925 void *tmp_out;
1926 int out_samples, out_size, out_linesize;
1927 int osize = av_get_bytes_per_sample(is->sdl_sample_fmt);
1928 int nb_samples = is->frame->nb_samples;
1929
1930 out_size = av_samples_get_buffer_size(&out_linesize,
1931 is->sdl_channels,
1932 nb_samples,
1933 is->sdl_sample_fmt, 0);
1934 tmp_out = av_realloc(is->audio_buf1, out_size);
1935 if (!tmp_out)
f199f385 1936 return AVERROR(ENOMEM);
f1ffb01e
JR
1937 is->audio_buf1 = tmp_out;
1938
1939 out_samples = avresample_convert(is->avr,
e7ba5b1d 1940 &is->audio_buf1,
f1ffb01e 1941 out_linesize, nb_samples,
e7ba5b1d 1942 is->frame->data,
f1ffb01e
JR
1943 is->frame->linesize[0],
1944 is->frame->nb_samples);
1945 if (out_samples < 0) {
1946 fprintf(stderr, "avresample_convert() failed\n");
5a4476e2
PR
1947 break;
1948 }
f199f385 1949 is->audio_buf = is->audio_buf1;
f1ffb01e 1950 data_size = out_samples * osize * is->sdl_channels;
da7c65f0 1951 } else {
f199f385 1952 is->audio_buf = is->frame->data[0];
5a4476e2
PR
1953 }
1954
72ea344b
FB
1955 /* if no pts, then compute it */
1956 pts = is->audio_clock;
1957 *pts_ptr = pts;
f1ffb01e 1958 n = is->sdl_channels * av_get_bytes_per_sample(is->sdl_sample_fmt);
115329f1 1959 is->audio_clock += (double)data_size /
6304f78e 1960 (double)(n * is->sdl_sample_rate);
1f6b9cc3 1961#ifdef DEBUG
72ea344b
FB
1962 {
1963 static double last_clock;
1964 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
1965 is->audio_clock - last_clock,
1966 is->audio_clock, pts);
1967 last_clock = is->audio_clock;
01310af2 1968 }
72ea344b
FB
1969#endif
1970 return data_size;
01310af2
FB
1971 }
1972
72ea344b
FB
1973 /* free the current packet */
1974 if (pkt->data)
01310af2 1975 av_free_packet(pkt);
c9aa4cfd 1976 memset(pkt_temp, 0, sizeof(*pkt_temp));
115329f1 1977
72ea344b
FB
1978 if (is->paused || is->audioq.abort_request) {
1979 return -1;
1980 }
115329f1 1981
01310af2 1982 /* read next packet */
59df4b82 1983 if ((new_packet = packet_queue_get(&is->audioq, pkt, 1)) < 0)
01310af2 1984 return -1;
59df4b82 1985
ec1f3cab 1986 if (pkt->data == flush_pkt.data) {
abdff646 1987 avcodec_flush_buffers(dec);
ec1f3cab
JR
1988 flush_complete = 0;
1989 }
39c6a118 1990
f199f385 1991 *pkt_temp = *pkt;
115329f1 1992
72ea344b
FB
1993 /* if update the audio clock with the pts */
1994 if (pkt->pts != AV_NOPTS_VALUE) {
c0df9d75 1995 is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
72ea344b 1996 }
01310af2
FB
1997 }
1998}
1999
01310af2 2000/* prepare a new audio buffer */
358061f6 2001static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
01310af2
FB
2002{
2003 VideoState *is = opaque;
2004 int audio_size, len1;
2005 double pts;
2006
248d8fb6 2007 audio_callback_time = av_gettime_relative();
115329f1 2008
01310af2
FB
2009 while (len > 0) {
2010 if (is->audio_buf_index >= is->audio_buf_size) {
5a4476e2 2011 audio_size = audio_decode_frame(is, &pts);
01310af2
FB
2012 if (audio_size < 0) {
2013 /* if error, just output silence */
e2a2c49f
JR
2014 is->audio_buf = is->silence_buf;
2015 is->audio_buf_size = sizeof(is->silence_buf);
01310af2
FB
2016 } else {
2017 if (is->show_audio)
2018 update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
115329f1 2019 audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
01310af2
FB
2020 pts);
2021 is->audio_buf_size = audio_size;
2022 }
2023 is->audio_buf_index = 0;
2024 }
2025 len1 = is->audio_buf_size - is->audio_buf_index;
2026 if (len1 > len)
2027 len1 = len;
2028 memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2029 len -= len1;
2030 stream += len1;
2031 is->audio_buf_index += len1;
2032 }
2033}
2034
01310af2
FB
2035/* open a given stream. Return 0 if OK */
2036static int stream_component_open(VideoState *is, int stream_index)
2037{
2038 AVFormatContext *ic = is->ic;
fe74099a 2039 AVCodecContext *avctx;
01310af2
FB
2040 AVCodec *codec;
2041 SDL_AudioSpec wanted_spec, spec;
3009f521
AK
2042 AVDictionary *opts;
2043 AVDictionaryEntry *t = NULL;
e58a140c 2044 int ret = 0;
01310af2
FB
2045
2046 if (stream_index < 0 || stream_index >= ic->nb_streams)
2047 return -1;
fe74099a 2048 avctx = ic->streams[stream_index]->codec;
115329f1 2049
d3ed1c95 2050 opts = filter_codec_opts(codec_opts, avctx->codec_id, ic, ic->streams[stream_index], NULL);
3009f521 2051
fe74099a 2052 codec = avcodec_find_decoder(avctx->codec_id);
da7c65f0 2053 avctx->workaround_bugs = workaround_bugs;
da7c65f0
AD
2054 avctx->idct_algo = idct;
2055 avctx->skip_frame = skip_frame;
2056 avctx->skip_idct = skip_idct;
2057 avctx->skip_loop_filter = skip_loop_filter;
da7c65f0 2058 avctx->error_concealment = error_concealment;
da7c65f0 2059
da7c65f0 2060 if (fast) avctx->flags2 |= CODEC_FLAG2_FAST;
fe74099a 2061
2473a45c
JG
2062 if (!av_dict_get(opts, "threads", NULL, 0))
2063 av_dict_set(&opts, "threads", "auto", 0);
354468fc
AK
2064 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
2065 av_dict_set(&opts, "refcounted_frames", "1", 0);
01310af2 2066 if (!codec ||
e58a140c
LB
2067 (ret = avcodec_open2(avctx, codec, &opts)) < 0) {
2068 goto fail;
2069 }
3009f521
AK
2070 if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2071 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
e58a140c
LB
2072 ret = AVERROR_OPTION_NOT_FOUND;
2073 goto fail;
3009f521 2074 }
51b73087
JR
2075
2076 /* prepare audio output */
72415b2a 2077 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
6304f78e 2078 is->sdl_sample_rate = avctx->sample_rate;
f1ffb01e
JR
2079
2080 if (!avctx->channel_layout)
2081 avctx->channel_layout = av_get_default_channel_layout(avctx->channels);
2082 if (!avctx->channel_layout) {
2083 fprintf(stderr, "unable to guess channel layout\n");
e58a140c
LB
2084 ret = AVERROR_INVALIDDATA;
2085 goto fail;
f1ffb01e
JR
2086 }
2087 if (avctx->channels == 1)
2088 is->sdl_channel_layout = AV_CH_LAYOUT_MONO;
2089 else
2090 is->sdl_channel_layout = AV_CH_LAYOUT_STEREO;
2091 is->sdl_channels = av_get_channel_layout_nb_channels(is->sdl_channel_layout);
2092
6304f78e
JR
2093 wanted_spec.format = AUDIO_S16SYS;
2094 wanted_spec.freq = is->sdl_sample_rate;
f1ffb01e 2095 wanted_spec.channels = is->sdl_channels;
51b73087
JR
2096 wanted_spec.silence = 0;
2097 wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2098 wanted_spec.callback = sdl_audio_callback;
2099 wanted_spec.userdata = is;
2100 if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2101 fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
e58a140c
LB
2102 ret = AVERROR_UNKNOWN;
2103 goto fail;
51b73087
JR
2104 }
2105 is->audio_hw_buf_size = spec.size;
f1ffb01e
JR
2106 is->sdl_sample_fmt = AV_SAMPLE_FMT_S16;
2107 is->resample_sample_fmt = is->sdl_sample_fmt;
6304f78e
JR
2108 is->resample_channel_layout = avctx->channel_layout;
2109 is->resample_sample_rate = avctx->sample_rate;
51b73087
JR
2110 }
2111
3f3fe38d 2112 ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
da7c65f0 2113 switch (avctx->codec_type) {
72415b2a 2114 case AVMEDIA_TYPE_AUDIO:
01310af2
FB
2115 is->audio_stream = stream_index;
2116 is->audio_st = ic->streams[stream_index];
da7c65f0 2117 is->audio_buf_size = 0;
01310af2 2118 is->audio_buf_index = 0;
638c9d91
FB
2119
2120 /* init averaging filter */
da7c65f0 2121 is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
638c9d91
FB
2122 is->audio_diff_avg_count = 0;
2123 /* since we do not have a precise anough audio fifo fullness,
2124 we correct audio sync only if larger than this threshold */
fe74099a 2125 is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / avctx->sample_rate;
638c9d91 2126
01310af2
FB
2127 memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2128 packet_queue_init(&is->audioq);
bb270c08 2129 SDL_PauseAudio(0);
01310af2 2130 break;
72415b2a 2131 case AVMEDIA_TYPE_VIDEO:
01310af2
FB
2132 is->video_stream = stream_index;
2133 is->video_st = ic->streams[stream_index];
2134
2135 packet_queue_init(&is->videoq);
2136 is->video_tid = SDL_CreateThread(video_thread, is);
2137 break;
72415b2a 2138 case AVMEDIA_TYPE_SUBTITLE:
72ce053b
IC
2139 is->subtitle_stream = stream_index;
2140 is->subtitle_st = ic->streams[stream_index];
2141 packet_queue_init(&is->subtitleq);
115329f1 2142
72ce053b
IC
2143 is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2144 break;
01310af2
FB
2145 default:
2146 break;
2147 }
e58a140c
LB
2148
2149fail:
2150 av_dict_free(&opts);
2151
2152 return ret;
01310af2
FB
2153}
2154
2155static void stream_component_close(VideoState *is, int stream_index)
2156{
2157 AVFormatContext *ic = is->ic;
fe74099a 2158 AVCodecContext *avctx;
115329f1 2159
72ce053b
IC
2160 if (stream_index < 0 || stream_index >= ic->nb_streams)
2161 return;
fe74099a 2162 avctx = ic->streams[stream_index]->codec;
01310af2 2163
da7c65f0 2164 switch (avctx->codec_type) {
72415b2a 2165 case AVMEDIA_TYPE_AUDIO:
01310af2
FB
2166 packet_queue_abort(&is->audioq);
2167
2168 SDL_CloseAudio();
2169
2170 packet_queue_end(&is->audioq);
c74f1f47 2171 av_free_packet(&is->audio_pkt);
f1ffb01e
JR
2172 if (is->avr)
2173 avresample_free(&is->avr);
f199f385
JR
2174 av_freep(&is->audio_buf1);
2175 is->audio_buf = NULL;
eb891b31 2176 av_frame_free(&is->frame);
cb2c4de3
JR
2177
2178 if (is->rdft) {
2179 av_rdft_end(is->rdft);
2180 av_freep(&is->rdft_data);
f9324d5a
JR
2181 is->rdft = NULL;
2182 is->rdft_bits = 0;
cb2c4de3 2183 }
01310af2 2184 break;
72415b2a 2185 case AVMEDIA_TYPE_VIDEO:
01310af2
FB
2186 packet_queue_abort(&is->videoq);
2187
2188 /* note: we also signal this mutex to make sure we deblock the
2189 video thread in all cases */
2190 SDL_LockMutex(is->pictq_mutex);
2191 SDL_CondSignal(is->pictq_cond);
2192 SDL_UnlockMutex(is->pictq_mutex);
2193
2194 SDL_WaitThread(is->video_tid, NULL);
2195
2196 packet_queue_end(&is->videoq);
2197 break;
72415b2a 2198 case AVMEDIA_TYPE_SUBTITLE:
72ce053b 2199 packet_queue_abort(&is->subtitleq);
115329f1 2200
72ce053b
IC
2201 /* note: we also signal this mutex to make sure we deblock the
2202 video thread in all cases */
2203 SDL_LockMutex(is->subpq_mutex);
2204 is->subtitle_stream_changed = 1;
115329f1 2205
72ce053b
IC
2206 SDL_CondSignal(is->subpq_cond);
2207 SDL_UnlockMutex(is->subpq_mutex);
2208
2209 SDL_WaitThread(is->subtitle_tid, NULL);
2210
2211 packet_queue_end(&is->subtitleq);
2212 break;
01310af2
FB
2213 default:
2214 break;
2215 }
2216
3f3fe38d 2217 ic->streams[stream_index]->discard = AVDISCARD_ALL;
fe74099a 2218 avcodec_close(avctx);
da7c65f0 2219 switch (avctx->codec_type) {
72415b2a 2220 case AVMEDIA_TYPE_AUDIO:
01310af2
FB
2221 is->audio_st = NULL;
2222 is->audio_stream = -1;
2223 break;
72415b2a 2224 case AVMEDIA_TYPE_VIDEO:
01310af2
FB
2225 is->video_st = NULL;
2226 is->video_stream = -1;
2227 break;
72415b2a 2228 case AVMEDIA_TYPE_SUBTITLE:
72ce053b
IC
2229 is->subtitle_st = NULL;
2230 is->subtitle_stream = -1;
2231 break;
01310af2
FB
2232 default:
2233 break;
2234 }
2235}
2236
416e3508
FB
2237/* since we have only one decoding thread, we can use a global
2238 variable instead of a thread local variable */
2239static VideoState *global_video_state;
2240
40972f7c 2241static int decode_interrupt_cb(void *ctx)
416e3508 2242{
d4b63054 2243 return global_video_state && global_video_state->abort_request;
416e3508 2244}
01310af2
FB
2245
2246/* this thread gets the stream from the disk or the network */
2247static int decode_thread(void *arg)
2248{
2249 VideoState *is = arg;
d0e142bb 2250 AVFormatContext *ic = NULL;
6625a3de 2251 int err, i, ret;
72415b2a 2252 int st_index[AVMEDIA_TYPE_NB];
01310af2 2253 AVPacket pkt1, *pkt = &pkt1;
da7c65f0 2254 int eof = 0;
d834d63b 2255 int pkt_in_play_range = 0;
d0e142bb 2256 AVDictionaryEntry *t;
3009f521
AK
2257 AVDictionary **opts;
2258 int orig_nb_streams;
6299a229 2259
6625a3de 2260 memset(st_index, -1, sizeof(st_index));
01310af2
FB
2261 is->video_stream = -1;
2262 is->audio_stream = -1;
72ce053b 2263 is->subtitle_stream = -1;
01310af2 2264
416e3508 2265 global_video_state = is;
416e3508 2266
40972f7c 2267 ic = avformat_alloc_context();
733f4b05
VG
2268 if (!ic) {
2269 av_log(NULL, AV_LOG_FATAL, "Could not allocate context.\n");
2270 ret = AVERROR(ENOMEM);
2271 goto fail;
2272 }
40972f7c 2273 ic->interrupt_callback.callback = decode_interrupt_cb;
d0e142bb 2274 err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
638c9d91
FB
2275 if (err < 0) {
2276 print_error(is->filename, err);
2277 ret = -1;
2278 goto fail;
2279 }
d0e142bb
AK
2280 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2281 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2282 ret = AVERROR_OPTION_NOT_FOUND;
2283 goto fail;
2284 }
01310af2 2285 is->ic = ic;
30bc6613 2286
da7c65f0 2287 if (genpts)
30bc6613
MN
2288 ic->flags |= AVFMT_FLAG_GENPTS;
2289
8ec19f84 2290 opts = setup_find_stream_info_opts(ic, codec_opts);
3009f521 2291 orig_nb_streams = ic->nb_streams;
bc778a0c 2292
3009f521 2293 err = avformat_find_stream_info(ic, opts);
cf83c017
LB
2294
2295 for (i = 0; i < orig_nb_streams; i++)
2296 av_dict_free(&opts[i]);
2297 av_freep(&opts);
2298
24c07998
LA
2299 if (err < 0) {
2300 fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2301 ret = -1;
2302 goto fail;
2303 }
3009f521 2304
da7c65f0
AD
2305 if (ic->pb)
2306 ic->pb->eof_reached = 0; // FIXME hack, avplay maybe should not use url_feof() to test for the end
72ea344b 2307
da7c65f0
AD
2308 if (seek_by_bytes < 0)
2309 seek_by_bytes = !!(ic->iformat->flags & AVFMT_TS_DISCONT);
70a4764d 2310
72ea344b
FB
2311 /* if seeking requested, we execute it */
2312 if (start_time != AV_NOPTS_VALUE) {
2313 int64_t timestamp;
2314
2315 timestamp = start_time;
2316 /* add the stream start time */
2317 if (ic->start_time != AV_NOPTS_VALUE)
2318 timestamp += ic->start_time;
4ed29207 2319 ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
72ea344b 2320 if (ret < 0) {
115329f1 2321 fprintf(stderr, "%s: could not seek to position %0.3f\n",
72ea344b
FB
2322 is->filename, (double)timestamp / AV_TIME_BASE);
2323 }
2324 }
72ea344b 2325
406f0f1b 2326 for (i = 0; i < ic->nb_streams; i++)
3f3fe38d 2327 ic->streams[i]->discard = AVDISCARD_ALL;
be732b70 2328 if (!video_disable)
406f0f1b
NG
2329 st_index[AVMEDIA_TYPE_VIDEO] =
2330 av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
2331 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
be732b70 2332 if (!audio_disable)
406f0f1b
NG
2333 st_index[AVMEDIA_TYPE_AUDIO] =
2334 av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
2335 wanted_stream[AVMEDIA_TYPE_AUDIO],
2336 st_index[AVMEDIA_TYPE_VIDEO],
2337 NULL, 0);
be732b70 2338 if (!video_disable)
406f0f1b
NG
2339 st_index[AVMEDIA_TYPE_SUBTITLE] =
2340 av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
2341 wanted_stream[AVMEDIA_TYPE_SUBTITLE],
2342 (st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
2343 st_index[AVMEDIA_TYPE_AUDIO] :
2344 st_index[AVMEDIA_TYPE_VIDEO]),
2345 NULL, 0);
01310af2 2346 if (show_status) {
610219a5 2347 av_dump_format(ic, 0, is->filename, 0);
01310af2
FB
2348 }
2349
2350 /* open the streams */
72415b2a
SS
2351 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2352 stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
01310af2
FB
2353 }
2354
da7c65f0 2355 ret = -1;
72415b2a 2356 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
da7c65f0 2357 ret = stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
077a8d61 2358 }
d38c9e7a 2359 is->refresh_tid = SDL_CreateThread(refresh_thread, is);
da7c65f0 2360 if (ret < 0) {
01310af2 2361 if (!display_disable)
bf8ae197 2362 is->show_audio = 2;
01310af2
FB
2363 }
2364
72415b2a
SS
2365 if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2366 stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
16a59a7b
BA
2367 }
2368
01310af2 2369 if (is->video_stream < 0 && is->audio_stream < 0) {
638c9d91
FB
2370 fprintf(stderr, "%s: could not open codecs\n", is->filename);
2371 ret = -1;
01310af2
FB
2372 goto fail;
2373 }
2374
da7c65f0 2375 for (;;) {
01310af2
FB
2376 if (is->abort_request)
2377 break;
416e3508
FB
2378 if (is->paused != is->last_paused) {
2379 is->last_paused = is->paused;
72ea344b 2380 if (is->paused)
da7c65f0 2381 is->read_pause_return = av_read_pause(ic);
72ea344b
FB
2382 else
2383 av_read_play(ic);
416e3508 2384 }
2f642393
AJ
2385#if CONFIG_RTSP_DEMUXER
2386 if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
416e3508
FB
2387 /* wait 10 ms to avoid trying to get another packet */
2388 /* XXX: horrible */
2389 SDL_Delay(10);
2390 continue;
2391 }
400738b1 2392#endif
72ea344b 2393 if (is->seek_req) {
da7c65f0
AD
2394 int64_t seek_target = is->seek_pos;
2395 int64_t seek_min = is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2396 int64_t seek_max = is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2397// FIXME the +-2 is due to rounding being not done in the correct direction in generation
4ed29207 2398// of the seek_pos/seek_rel variables
8e606cc8 2399
4ed29207 2400 ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
72ea344b
FB
2401 if (ret < 0) {
2402 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
da7c65f0 2403 } else {
e6c0297f
MN
2404 if (is->audio_stream >= 0) {
2405 packet_queue_flush(&is->audioq);
39c6a118 2406 packet_queue_put(&is->audioq, &flush_pkt);
e6c0297f 2407 }
72ce053b
IC
2408 if (is->subtitle_stream >= 0) {
2409 packet_queue_flush(&is->subtitleq);
39c6a118 2410 packet_queue_put(&is->subtitleq, &flush_pkt);
72ce053b 2411 }
e6c0297f
MN
2412 if (is->video_stream >= 0) {
2413 packet_queue_flush(&is->videoq);
39c6a118 2414 packet_queue_put(&is->videoq, &flush_pkt);
e6c0297f 2415 }
72ea344b
FB
2416 }
2417 is->seek_req = 0;
da7c65f0 2418 eof = 0;
72ea344b 2419 }
416e3508 2420
01310af2 2421 /* if the queue are full, no need to read more */
296d0da8
MS
2422 if (!infinite_buffer &&
2423 (is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
da7c65f0
AD
2424 || ( (is->audioq .size > MIN_AUDIOQ_SIZE || is->audio_stream < 0)
2425 && (is->videoq .nb_packets > MIN_FRAMES || is->video_stream < 0)
296d0da8 2426 && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream < 0)))) {
01310af2
FB
2427 /* wait 10 ms */
2428 SDL_Delay(10);
2429 continue;
2430 }
da7c65f0
AD
2431 if (eof) {
2432 if (is->video_stream >= 0) {
26534fe8 2433 av_init_packet(pkt);
da7c65f0
AD
2434 pkt->data = NULL;
2435 pkt->size = 0;
2436 pkt->stream_index = is->video_stream;
26534fe8 2437 packet_queue_put(&is->videoq, pkt);
9dc41767 2438 }
59df4b82
JR
2439 if (is->audio_stream >= 0 &&
2440 is->audio_st->codec->codec->capabilities & CODEC_CAP_DELAY) {
2441 av_init_packet(pkt);
2442 pkt->data = NULL;
2443 pkt->size = 0;
2444 pkt->stream_index = is->audio_stream;
2445 packet_queue_put(&is->audioq, pkt);
2446 }
b4083171 2447 SDL_Delay(10);
da7c65f0
AD
2448 if (is->audioq.size + is->videoq.size + is->subtitleq.size == 0) {
2449 if (loop != 1 && (!loop || --loop)) {
1922c0a7 2450 stream_seek(cur_stream, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
041caf1a 2451 } else if (!noautoexit) {
da7c65f0 2452 ret = AVERROR_EOF;
1922c0a7
RK
2453 goto fail;
2454 }
2d1653b0 2455 }
600a331c
MN
2456 continue;
2457 }
72ea344b 2458 ret = av_read_frame(ic, pkt);
01310af2 2459 if (ret < 0) {
648c7962 2460 if (ret == AVERROR_EOF || (ic->pb && ic->pb->eof_reached))
da7c65f0 2461 eof = 1;
648c7962 2462 if (ic->pb && ic->pb->error)
bb270c08 2463 break;
75bb7b0a
MN
2464 SDL_Delay(100); /* wait for user event */
2465 continue;
01310af2 2466 }
d834d63b
RK
2467 /* check if packet is in play range specified by user, then queue, otherwise discard */
2468 pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2469 (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2470 av_q2d(ic->streams[pkt->stream_index]->time_base) -
da7c65f0
AD
2471 (double)(start_time != AV_NOPTS_VALUE ? start_time : 0) / 1000000
2472 <= ((double)duration / 1000000);
d834d63b 2473 if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
01310af2 2474 packet_queue_put(&is->audioq, pkt);
d834d63b 2475 } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
01310af2 2476 packet_queue_put(&is->videoq, pkt);
d834d63b 2477 } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
72ce053b 2478 packet_queue_put(&is->subtitleq, pkt);
01310af2
FB
2479 } else {
2480 av_free_packet(pkt);
2481 }
2482 }
2483 /* wait until the end */
2484 while (!is->abort_request) {
2485 SDL_Delay(100);
2486 }
2487
638c9d91 2488 ret = 0;
01310af2 2489 fail:
416e3508
FB
2490 /* disable interrupting */
2491 global_video_state = NULL;
2492
01310af2
FB
2493 /* close each stream */
2494 if (is->audio_stream >= 0)
2495 stream_component_close(is, is->audio_stream);
2496 if (is->video_stream >= 0)
2497 stream_component_close(is, is->video_stream);
72ce053b
IC
2498 if (is->subtitle_stream >= 0)
2499 stream_component_close(is, is->subtitle_stream);
638c9d91 2500 if (is->ic) {
cd3716b9 2501 avformat_close_input(&is->ic);
638c9d91 2502 }
416e3508 2503
638c9d91
FB
2504 if (ret != 0) {
2505 SDL_Event event;
115329f1 2506
638c9d91
FB
2507 event.type = FF_QUIT_EVENT;
2508 event.user.data1 = is;
2509 SDL_PushEvent(&event);
2510 }
01310af2
FB
2511 return 0;
2512}
2513
638c9d91 2514static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
01310af2
FB
2515{
2516 VideoState *is;
2517
2518 is = av_mallocz(sizeof(VideoState));
2519 if (!is)
2520 return NULL;
f7d78f36 2521 av_strlcpy(is->filename, filename, sizeof(is->filename));
638c9d91 2522 is->iformat = iformat;
da7c65f0
AD
2523 is->ytop = 0;
2524 is->xleft = 0;
01310af2
FB
2525
2526 /* start video display */
2527 is->pictq_mutex = SDL_CreateMutex();
da7c65f0 2528 is->pictq_cond = SDL_CreateCond();
115329f1 2529
72ce053b 2530 is->subpq_mutex = SDL_CreateMutex();
da7c65f0 2531 is->subpq_cond = SDL_CreateCond();
115329f1 2532
638c9d91 2533 is->av_sync_type = av_sync_type;
da7c65f0 2534 is->parse_tid = SDL_CreateThread(decode_thread, is);
01310af2
FB
2535 if (!is->parse_tid) {
2536 av_free(is);
2537 return NULL;
2538 }
2539 return is;
2540}
2541
7b49ce2e 2542static void stream_cycle_channel(VideoState *is, int codec_type)
638c9d91
FB
2543{
2544 AVFormatContext *ic = is->ic;
2545 int start_index, stream_index;
2546 AVStream *st;
2547
72415b2a 2548 if (codec_type == AVMEDIA_TYPE_VIDEO)
638c9d91 2549 start_index = is->video_stream;
72415b2a 2550 else if (codec_type == AVMEDIA_TYPE_AUDIO)
638c9d91 2551 start_index = is->audio_stream;
72ce053b
IC
2552 else
2553 start_index = is->subtitle_stream;
72415b2a 2554 if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
638c9d91
FB
2555 return;
2556 stream_index = start_index;
da7c65f0 2557 for (;;) {
638c9d91 2558 if (++stream_index >= is->ic->nb_streams)
72ce053b 2559 {
72415b2a 2560 if (codec_type == AVMEDIA_TYPE_SUBTITLE)
72ce053b
IC
2561 {
2562 stream_index = -1;
2563 goto the_end;
2564 } else
2565 stream_index = 0;
2566 }
638c9d91
FB
2567 if (stream_index == start_index)
2568 return;
2569 st = ic->streams[stream_index];
01f4895c 2570 if (st->codec->codec_type == codec_type) {
638c9d91 2571 /* check that parameters are OK */
da7c65f0 2572 switch (codec_type) {
72415b2a 2573 case AVMEDIA_TYPE_AUDIO:
01f4895c
MN
2574 if (st->codec->sample_rate != 0 &&
2575 st->codec->channels != 0)
638c9d91
FB
2576 goto the_end;
2577 break;
72415b2a
SS
2578 case AVMEDIA_TYPE_VIDEO:
2579 case AVMEDIA_TYPE_SUBTITLE:
638c9d91
FB
2580 goto the_end;
2581 default:
2582 break;
2583 }
2584 }
2585 }
2586 the_end:
2587 stream_component_close(is, start_index);
2588 stream_component_open(is, stream_index);
2589}
2590
2591
7b49ce2e 2592static void toggle_full_screen(void)
01310af2 2593{
fec5777e 2594#if defined(__APPLE__) && SDL_VERSION_ATLEAST(1, 2, 14)
5ea20630 2595 /* OS X needs to empty the picture_queue */
d246c18e
DB
2596 int i;
2597 for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++)
fec5777e 2598 cur_stream->pictq[i].reallocate = 1;
fec5777e 2599#endif
d246c18e 2600 is_full_screen = !is_full_screen;
fb84155b 2601 video_open(cur_stream);
01310af2
FB
2602}
2603
7b49ce2e 2604static void toggle_pause(void)
01310af2
FB
2605{
2606 if (cur_stream)
2607 stream_pause(cur_stream);
bba04f1e
WH
2608 step = 0;
2609}
2610
7b49ce2e 2611static void step_to_next_frame(void)
bba04f1e
WH
2612{
2613 if (cur_stream) {
19cc524a 2614 /* if the stream is paused unpause it, then step */
bba04f1e 2615 if (cur_stream->paused)
19cc524a 2616 stream_pause(cur_stream);
bba04f1e
WH
2617 }
2618 step = 1;
01310af2
FB
2619}
2620
7b49ce2e 2621static void toggle_audio_display(void)
01310af2
FB
2622{
2623 if (cur_stream) {
f5968788 2624 int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
12eeda34 2625 cur_stream->show_audio = (cur_stream->show_audio + 1) % 3;
f5968788 2626 fill_rectangle(screen,
da7c65f0
AD
2627 cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height,
2628 bgcolor);
f5968788 2629 SDL_UpdateRect(screen, cur_stream->xleft, cur_stream->ytop, cur_stream->width, cur_stream->height);
01310af2
FB
2630 }
2631}
2632
b36bc81c
AK
2633static void seek_chapter(VideoState *is, int incr)
2634{
2635 int64_t pos = get_master_clock(is) * AV_TIME_BASE;
2636 int i;
2637
2638 if (!is->ic->nb_chapters)
2639 return;
2640
2641 /* find the current chapter */
2642 for (i = 0; i < is->ic->nb_chapters; i++) {
2643 AVChapter *ch = is->ic->chapters[i];
2644 if (av_compare_ts(pos, AV_TIME_BASE_Q, ch->start, ch->time_base) < 0) {
2645 i--;
2646 break;
2647 }
2648 }
2649
2650 i += incr;
2651 i = FFMAX(i, 0);
2652 if (i >= is->ic->nb_chapters)
2653 return;
2654
2655 av_log(NULL, AV_LOG_VERBOSE, "Seeking to chapter %d.\n", i);
2656 stream_seek(is, av_rescale_q(is->ic->chapters[i]->start, is->ic->chapters[i]->time_base,
2657 AV_TIME_BASE_Q), 0, 0);
2658}
2659
01310af2 2660/* handle an event sent by the GUI */
7b49ce2e 2661static void event_loop(void)
01310af2
FB
2662{
2663 SDL_Event event;
a11d11aa 2664 double incr, pos, frac;
01310af2 2665
da7c65f0 2666 for (;;) {
d52ec002 2667 double x;
01310af2 2668 SDL_WaitEvent(&event);
da7c65f0 2669 switch (event.type) {
01310af2 2670 case SDL_KEYDOWN:
066ce8c9
AS
2671 if (exit_on_keydown) {
2672 do_exit();
2673 break;
2674 }
da7c65f0 2675 switch (event.key.keysym.sym) {
01310af2
FB
2676 case SDLK_ESCAPE:
2677 case SDLK_q:
2678 do_exit();
2679 break;
2680 case SDLK_f:
2681 toggle_full_screen();
2682 break;
2683 case SDLK_p:
2684 case SDLK_SPACE:
2685 toggle_pause();
2686 break;
da7c65f0 2687 case SDLK_s: // S: Step to next frame
bba04f1e
WH
2688 step_to_next_frame();
2689 break;
01310af2 2690 case SDLK_a:
115329f1 2691 if (cur_stream)
72415b2a 2692 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
638c9d91
FB
2693 break;
2694 case SDLK_v:
115329f1 2695 if (cur_stream)
72415b2a 2696 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
638c9d91 2697 break;
72ce053b 2698 case SDLK_t:
115329f1 2699 if (cur_stream)
72415b2a 2700 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
72ce053b 2701 break;
638c9d91 2702 case SDLK_w:
01310af2
FB
2703 toggle_audio_display();
2704 break;
b36bc81c
AK
2705 case SDLK_PAGEUP:
2706 seek_chapter(cur_stream, 1);
2707 break;
2708 case SDLK_PAGEDOWN:
2709 seek_chapter(cur_stream, -1);
2710 break;
72ea344b
FB
2711 case SDLK_LEFT:
2712 incr = -10.0;
2713 goto do_seek;
2714 case SDLK_RIGHT:
2715 incr = 10.0;
2716 goto do_seek;
2717 case SDLK_UP:
2718 incr = 60.0;
2719 goto do_seek;
2720 case SDLK_DOWN:
2721 incr = -60.0;
2722 do_seek:
2723 if (cur_stream) {
94b594c6 2724 if (seek_by_bytes) {
da7c65f0
AD
2725 if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos >= 0) {
2726 pos = cur_stream->video_current_pos;
2727 } else if (cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos >= 0) {
2728 pos = cur_stream->audio_pkt.pos;
2729 } else
a2704c97 2730 pos = avio_tell(cur_stream->ic->pb);
94b594c6 2731 if (cur_stream->ic->bit_rate)
566cd2cb 2732 incr *= cur_stream->ic->bit_rate / 8.0;
94b594c6
SH
2733 else
2734 incr *= 180000.0;
2735 pos += incr;
2ef46053 2736 stream_seek(cur_stream, pos, incr, 1);
94b594c6
SH
2737 } else {
2738 pos = get_master_clock(cur_stream);
2739 pos += incr;
2ef46053 2740 stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
94b594c6 2741 }
72ea344b
FB
2742 }
2743 break;
01310af2
FB
2744 default:
2745 break;
2746 }
2747 break;
a11d11aa 2748 case SDL_MOUSEBUTTONDOWN:
066ce8c9
AS
2749 if (exit_on_mousedown) {
2750 do_exit();
2751 break;
2752 }
d52ec002 2753 case SDL_MOUSEMOTION:
da7c65f0
AD
2754 if (event.type == SDL_MOUSEBUTTONDOWN) {
2755 x = event.button.x;
2756 } else {
2757 if (event.motion.state != SDL_PRESSED)
d52ec002 2758 break;
da7c65f0 2759 x = event.motion.x;
d52ec002 2760 }
bb270c08 2761 if (cur_stream) {
da7c65f0
AD
2762 if (seek_by_bytes || cur_stream->ic->duration <= 0) {
2763 uint64_t size = avio_size(cur_stream->ic->pb);
d52ec002 2764 stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
da7c65f0 2765 } else {
6371c81a
MN
2766 int64_t ts;
2767 int ns, hh, mm, ss;
2768 int tns, thh, tmm, tss;
da7c65f0
AD
2769 tns = cur_stream->ic->duration / 1000000LL;
2770 thh = tns / 3600;
2771 tmm = (tns % 3600) / 60;
2772 tss = (tns % 60);
2773 frac = x / cur_stream->width;
2774 ns = frac * tns;
2775 hh = ns / 3600;
2776 mm = (ns % 3600) / 60;
2777 ss = (ns % 60);
6371c81a
MN
2778 fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
2779 hh, mm, ss, thh, tmm, tss);
da7c65f0 2780 ts = frac * cur_stream->ic->duration;
6371c81a
MN
2781 if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2782 ts += cur_stream->ic->start_time;
2783 stream_seek(cur_stream, ts, 0, 0);
2ef46053 2784 }
bb270c08
DB
2785 }
2786 break;
01310af2
FB
2787 case SDL_VIDEORESIZE:
2788 if (cur_stream) {
115329f1 2789 screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
01310af2 2790 SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
da7c65f0
AD
2791 screen_width = cur_stream->width = event.resize.w;
2792 screen_height = cur_stream->height = event.resize.h;
01310af2
FB
2793 }
2794 break;
2795 case SDL_QUIT:
638c9d91 2796 case FF_QUIT_EVENT:
01310af2
FB
2797 do_exit();
2798 break;
2799 case FF_ALLOC_EVENT:
fccb19e3 2800 video_open(event.user.data1);
01310af2
FB
2801 alloc_picture(event.user.data1);
2802 break;
2803 case FF_REFRESH_EVENT:
2804 video_refresh_timer(event.user.data1);
da7c65f0 2805 cur_stream->refresh = 0;
01310af2
FB
2806 break;
2807 default:
2808 break;
2809 }
2810 }
2811}
2812
4e82cbb6 2813static int opt_frame_size(void *optctx, const char *opt, const char *arg)
e4b89522 2814{
a4e540c4
SS
2815 av_log(NULL, AV_LOG_ERROR,
2816 "Option '%s' has been removed, use private format options instead\n", opt);
2817 return AVERROR(EINVAL);
e4b89522
LW
2818}
2819
4e82cbb6 2820static int opt_width(void *optctx, const char *opt, const char *arg)
01310af2 2821{
a5b3b5f6
SS
2822 screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2823 return 0;
01310af2
FB
2824}
2825
4e82cbb6 2826static int opt_height(void *optctx, const char *opt, const char *arg)
01310af2 2827{
a5b3b5f6
SS
2828 screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2829 return 0;
01310af2
FB
2830}
2831
4e82cbb6 2832static int opt_format(void *optctx, const char *opt, const char *arg)
01310af2
FB
2833{
2834 file_iformat = av_find_input_format(arg);
2835 if (!file_iformat) {
2836 fprintf(stderr, "Unknown input format: %s\n", arg);
26513856 2837 return AVERROR(EINVAL);
01310af2 2838 }
26513856 2839 return 0;
01310af2 2840}
61890b02 2841
4e82cbb6 2842static int opt_frame_pix_fmt(void *optctx, const char *opt, const char *arg)
e4b89522 2843{
0a858048
SS
2844 av_log(NULL, AV_LOG_ERROR,
2845 "Option '%s' has been removed, use private format options instead\n", opt);
2846 return AVERROR(EINVAL);
e4b89522
LW
2847}
2848
4e82cbb6 2849static int opt_sync(void *optctx, const char *opt, const char *arg)
638c9d91
FB
2850{
2851 if (!strcmp(arg, "audio"))
2852 av_sync_type = AV_SYNC_AUDIO_MASTER;
2853 else if (!strcmp(arg, "video"))
2854 av_sync_type = AV_SYNC_VIDEO_MASTER;
2855 else if (!strcmp(arg, "ext"))
2856 av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
aab1b7e5 2857 else {
b81d6235 2858 fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
aab1b7e5
SS
2859 exit(1);
2860 }
b81d6235 2861 return 0;
638c9d91
FB
2862}
2863
4e82cbb6 2864static int opt_seek(void *optctx, const char *opt, const char *arg)
72ea344b 2865{
e11bc2c6
SS
2866 start_time = parse_time_or_die(opt, arg, 1);
2867 return 0;
72ea344b
FB
2868}
2869
4e82cbb6 2870static int opt_duration(void *optctx, const char *opt, const char *arg)
d834d63b
RK
2871{
2872 duration = parse_time_or_die(opt, arg, 1);
2873 return 0;
2874}
2875
358061f6 2876static const OptionDef options[] = {
992f8eae 2877#include "cmdutils_common_opts.h"
4e82cbb6
AK
2878 { "x", HAS_ARG, { .func_arg = opt_width }, "force displayed width", "width" },
2879 { "y", HAS_ARG, { .func_arg = opt_height }, "force displayed height", "height" },
2880 { "s", HAS_ARG | OPT_VIDEO, { .func_arg = opt_frame_size }, "set frame size (WxH or abbreviation)", "size" },
0e8dccb7
AK
2881 { "fs", OPT_BOOL, { &is_full_screen }, "force full screen" },
2882 { "an", OPT_BOOL, { &audio_disable }, "disable audio" },
2883 { "vn", OPT_BOOL, { &video_disable }, "disable video" },
2884 { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, { &wanted_stream[AVMEDIA_TYPE_AUDIO] }, "select desired audio stream", "stream_number" },
2885 { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, { &wanted_stream[AVMEDIA_TYPE_VIDEO] }, "select desired video stream", "stream_number" },
2886 { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, { &wanted_stream[AVMEDIA_TYPE_SUBTITLE] }, "select desired subtitle stream", "stream_number" },
4e82cbb6
AK
2887 { "ss", HAS_ARG, { .func_arg = opt_seek }, "seek to a given position in seconds", "pos" },
2888 { "t", HAS_ARG, { .func_arg = opt_duration }, "play \"duration\" seconds of audio/video", "duration" },
0e8dccb7
AK
2889 { "bytes", OPT_INT | HAS_ARG, { &seek_by_bytes }, "seek by bytes 0=off 1=on -1=auto", "val" },
2890 { "nodisp", OPT_BOOL, { &display_disable }, "disable graphical display" },
4e82cbb6
AK
2891 { "f", HAS_ARG, { .func_arg = opt_format }, "force format", "fmt" },
2892 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, { .func_arg = opt_frame_pix_fmt }, "set pixel format", "format" },
0e8dccb7 2893 { "stats", OPT_BOOL | OPT_EXPERT, { &show_status }, "show status", "" },
0e8dccb7 2894 { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, { &workaround_bugs }, "workaround bugs", "" },
0e8dccb7
AK
2895 { "fast", OPT_BOOL | OPT_EXPERT, { &fast }, "non spec compliant optimizations", "" },
2896 { "genpts", OPT_BOOL | OPT_EXPERT, { &genpts }, "generate pts", "" },
2897 { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, { &decoder_reorder_pts }, "let decoder reorder pts 0=off 1=on -1=auto", ""},
2898 { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, { &skip_loop_filter }, "", "" },
2899 { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, { &skip_frame }, "", "" },
2900 { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, { &skip_idct }, "", "" },
2901 { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, { &idct }, "set idct algo", "algo" },
2902 { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, { &error_concealment }, "set error concealment options", "bit_mask" },
4e82cbb6 2903 { "sync", HAS_ARG | OPT_EXPERT, { .func_arg = opt_sync }, "set audio-video sync. type (type=audio/video/ext)", "type" },
041caf1a 2904 { "noautoexit", OPT_BOOL | OPT_EXPERT, { &noautoexit }, "Do not exit at the end of playback", "" },
0e8dccb7
AK
2905 { "exitonkeydown", OPT_BOOL | OPT_EXPERT, { &exit_on_keydown }, "exit on key down", "" },
2906 { "exitonmousedown", OPT_BOOL | OPT_EXPERT, { &exit_on_mousedown }, "exit on mouse down", "" },
2907 { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, { &loop }, "set number of times the playback shall be looped", "loop count" },
2908 { "framedrop", OPT_BOOL | OPT_EXPERT, { &framedrop }, "drop frames when cpu is too slow", "" },
2909 { "infbuf", OPT_BOOL | OPT_EXPERT, { &infinite_buffer }, "don't limit the input buffer size (useful with realtime streams)", "" },
2910 { "window_title", OPT_STRING | HAS_ARG, { &window_title }, "set window title", "window title" },
917d2bb3 2911#if CONFIG_AVFILTER
0e8dccb7 2912 { "vf", OPT_STRING | HAS_ARG, { &vfilters }, "video filters", "filter list" },
917d2bb3 2913#endif
0e8dccb7
AK
2914 { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, { &rdftspeed }, "rdft speed", "msecs" },
2915 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, { opt_default }, "generic catch all option", "" },
da7c65f0 2916 { "i", 0, { NULL }, "avconv compatibility dummy option", ""},
01310af2
FB
2917 { NULL, },
2918};
2919
0c2a18cb 2920static void show_usage(void)
01310af2 2921{
27daa420 2922 printf("Simple media player\n");
266463da 2923 printf("usage: %s [options] input_file\n", program_name);
01310af2 2924 printf("\n");
0c2a18cb
RP
2925}
2926
a3ad68d3 2927void show_help_default(const char *opt, const char *arg)
0c2a18cb 2928{
f66eb58e 2929 av_log_set_callback(log_callback_help);
0c2a18cb 2930 show_usage();
f9fada27
AK
2931 show_help_options(options, "Main options:", 0, OPT_EXPERT, 0);
2932 show_help_options(options, "Advanced options:", OPT_EXPERT, 0, 0);
f66eb58e 2933 printf("\n");
7a6cd995
AK
2934 show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
2935 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
f66eb58e 2936#if !CONFIG_AVFILTER
7a6cd995 2937 show_help_children(sws_get_class(), AV_OPT_FLAG_ENCODING_PARAM);
f66eb58e 2938#endif
01310af2
FB
2939 printf("\nWhile playing:\n"
2940 "q, ESC quit\n"
2941 "f toggle full screen\n"
2942 "p, SPC pause\n"
638c9d91
FB
2943 "a cycle audio channel\n"
2944 "v cycle video channel\n"
72ce053b 2945 "t cycle subtitle channel\n"
638c9d91 2946 "w show audio waves\n"
79f8b328 2947 "s activate frame-step mode\n"
72ea344b
FB
2948 "left/right seek backward/forward 10 seconds\n"
2949 "down/up seek backward/forward 1 minute\n"
a11d11aa 2950 "mouse click seek to percentage in file corresponding to fraction of width\n"
01310af2 2951 );
01310af2
FB
2952}
2953
7cc8d638 2954static void opt_input_file(void *optctx, const char *filename)
01310af2 2955{
07a70b38
SS
2956 if (input_filename) {
2957 fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2958 filename, input_filename);
2959 exit(1);
2960 }
e8d83e1c 2961 if (!strcmp(filename, "-"))
9fcfc0b7 2962 filename = "pipe:";
01310af2
FB
2963 input_filename = filename;
2964}
2965
2966/* Called from the main */
2967int main(int argc, char **argv)
2968{
a5c33faa 2969 int flags;
115329f1 2970
6b6bca64 2971 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2972 parse_loglevel(argc, argv, options);
6b6bca64 2973
01310af2 2974 /* register all codecs, demux and protocols */
c721d803 2975 avcodec_register_all();
9b157b0c 2976#if CONFIG_AVDEVICE
c721d803 2977 avdevice_register_all();
9b157b0c 2978#endif
917d2bb3
MN
2979#if CONFIG_AVFILTER
2980 avfilter_register_all();
2981#endif
01310af2 2982 av_register_all();
776f2bb9 2983 avformat_network_init();
01310af2 2984
a5c33faa 2985 init_opts();
e43d7a18 2986
ea9c581f 2987 show_banner();
4cfac5bc 2988
7cc8d638 2989 parse_options(NULL, argc, argv, options, opt_input_file);
01310af2 2990
aab1b7e5 2991 if (!input_filename) {
7f11e745 2992 show_usage();
7a7da6b4 2993 fprintf(stderr, "An input file must be specified\n");
266463da 2994 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
aab1b7e5
SS
2995 exit(1);
2996 }
01310af2
FB
2997
2998 if (display_disable) {
2999 video_disable = 1;
3000 }
31319a8c 3001 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
c97f5402
DB
3002#if !defined(__MINGW32__) && !defined(__APPLE__)
3003 flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
31319a8c 3004#endif
01310af2 3005 if (SDL_Init (flags)) {
05ab0b76 3006 fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
01310af2
FB
3007 exit(1);
3008 }
3009
3010 if (!display_disable) {
3ef17d62
MR
3011 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3012 fs_screen_width = vi->current_w;
3013 fs_screen_height = vi->current_h;
01310af2
FB
3014 }
3015
3016 SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
01310af2
FB
3017 SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3018 SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3019
39c6a118 3020 av_init_packet(&flush_pkt);
26a44143 3021 flush_pkt.data = (uint8_t *)&flush_pkt;
39c6a118 3022
638c9d91 3023 cur_stream = stream_open(input_filename, file_iformat);
01310af2
FB
3024
3025 event_loop();
3026
3027 /* never returns */
3028
3029 return 0;
3030}