2 * ffplay : Simple Media Player based on the FFmpeg libraries
3 * Copyright (c) 2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
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.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "libavutil/avstring.h"
27 #include "libavutil/colorspace.h"
28 #include "libavutil/mathematics.h"
29 #include "libavutil/pixdesc.h"
30 #include "libavutil/imgutils.h"
31 #include "libavutil/dict.h"
32 #include "libavutil/parseutils.h"
33 #include "libavutil/samplefmt.h"
34 #include "libavutil/avassert.h"
35 #include "libavformat/avformat.h"
36 #include "libavdevice/avdevice.h"
37 #include "libswscale/swscale.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavutil/opt.h"
40 #include "libavcodec/avfft.h"
41 #include "libswresample/swresample.h"
44 # include "libavfilter/avcodec.h"
45 # include "libavfilter/avfilter.h"
46 # include "libavfilter/avfiltergraph.h"
47 # include "libavfilter/buffersink.h"
51 #include <SDL_thread.h>
58 const char program_name[] = "ffplay";
59 const int program_birth_year = 2003;
61 #define MAX_QUEUE_SIZE (15 * 1024 * 1024)
62 #define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
65 /* SDL audio buffer size, in samples. Should be small to have precise
66 A/V sync as SDL does not have hardware buffer fullness info. */
67 #define SDL_AUDIO_BUFFER_SIZE 1024
69 /* no AV sync correction is done if below the AV sync threshold */
70 #define AV_SYNC_THRESHOLD 0.01
71 /* no AV correction is done if too big error */
72 #define AV_NOSYNC_THRESHOLD 10.0
74 /* maximum audio speed change to get correct sync */
75 #define SAMPLE_CORRECTION_PERCENT_MAX 10
77 /* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
78 #define AUDIO_DIFF_AVG_NB 20
80 /* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
81 #define SAMPLE_ARRAY_SIZE (2*65536)
83 static int sws_flags = SWS_BICUBIC;
85 typedef struct PacketQueue {
86 AVPacketList *first_pkt, *last_pkt;
94 #define VIDEO_PICTURE_QUEUE_SIZE 2
95 #define SUBPICTURE_QUEUE_SIZE 4
97 typedef struct VideoPicture {
98 double pts; ///<presentation time stamp for this picture
99 double duration; ///<expected duration of the frame
100 int64_t pos; ///<byte position in file
103 int width, height; /* source height & width */
106 enum PixelFormat pix_fmt;
109 AVFilterBufferRef *picref;
113 typedef struct SubPicture {
114 double pts; /* presentation time stamp for this picture */
119 AV_SYNC_AUDIO_MASTER, /* default choice */
120 AV_SYNC_VIDEO_MASTER,
121 AV_SYNC_EXTERNAL_CLOCK, /* synchronize to an external clock */
124 typedef struct VideoState {
125 SDL_Thread *read_tid;
126 SDL_Thread *video_tid;
127 SDL_Thread *refresh_tid;
128 AVInputFormat *iformat;
137 int read_pause_return;
143 double external_clock; /* external clock base */
144 int64_t external_clock_time;
147 double audio_diff_cum; /* used for AV difference average computation */
148 double audio_diff_avg_coef;
149 double audio_diff_threshold;
150 int audio_diff_avg_count;
153 int audio_hw_buf_size;
154 /* samples output by the codec. we reserve more space for avsync
155 compensation, resampling and format conversion */
156 DECLARE_ALIGNED(16,uint8_t,audio_buf1)[AVCODEC_MAX_AUDIO_FRAME_SIZE * 4];
157 DECLARE_ALIGNED(16,uint8_t,audio_buf2)[AVCODEC_MAX_AUDIO_FRAME_SIZE * 4];
159 unsigned int audio_buf_size; /* in bytes */
160 int audio_buf_index; /* in bytes */
161 int audio_write_buf_size;
162 AVPacket audio_pkt_temp;
164 enum AVSampleFormat audio_src_fmt;
165 enum AVSampleFormat audio_tgt_fmt;
166 int audio_src_channels;
167 int audio_tgt_channels;
168 int64_t audio_src_channel_layout;
169 int64_t audio_tgt_channel_layout;
172 struct SwrContext *swr_ctx;
173 double audio_current_pts;
174 double audio_current_pts_drift;
177 SHOW_MODE_NONE = -1, SHOW_MODE_VIDEO = 0, SHOW_MODE_WAVES, SHOW_MODE_RDFT, SHOW_MODE_NB
179 int16_t sample_array[SAMPLE_ARRAY_SIZE];
180 int sample_array_index;
184 FFTSample *rdft_data;
187 SDL_Thread *subtitle_tid;
189 int subtitle_stream_changed;
190 AVStream *subtitle_st;
191 PacketQueue subtitleq;
192 SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
193 int subpq_size, subpq_rindex, subpq_windex;
194 SDL_mutex *subpq_mutex;
195 SDL_cond *subpq_cond;
198 double frame_last_pts;
199 double frame_last_duration;
200 double video_clock; ///<pts of last decoded frame / predicted pts of next decoded frame
204 double video_current_pts; ///<current displayed pts (different from video_clock if frame fifos are used)
205 double video_current_pts_drift; ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
206 int64_t video_current_pos; ///<current displayed file pos
207 VideoPicture pictq[VIDEO_PICTURE_QUEUE_SIZE];
208 int pictq_size, pictq_rindex, pictq_windex;
209 SDL_mutex *pictq_mutex;
210 SDL_cond *pictq_cond;
212 struct SwsContext *img_convert_ctx;
216 int width, height, xleft, ytop;
220 AVFilterContext *out_video_filter; ///<the last filter in the video chain
226 static int opt_help(const char *opt, const char *arg);
228 /* options specified by the user */
229 static AVInputFormat *file_iformat;
230 static const char *input_filename;
231 static const char *window_title;
232 static int fs_screen_width;
233 static int fs_screen_height;
234 static int screen_width = 0;
235 static int screen_height = 0;
236 static int audio_disable;
237 static int video_disable;
238 static int wanted_stream[AVMEDIA_TYPE_NB]={
239 [AVMEDIA_TYPE_AUDIO]=-1,
240 [AVMEDIA_TYPE_VIDEO]=-1,
241 [AVMEDIA_TYPE_SUBTITLE]=-1,
243 static int seek_by_bytes=-1;
244 static int display_disable;
245 static int show_status = 1;
246 static int av_sync_type = AV_SYNC_AUDIO_MASTER;
247 static int64_t start_time = AV_NOPTS_VALUE;
248 static int64_t duration = AV_NOPTS_VALUE;
249 static int workaround_bugs = 1;
251 static int genpts = 0;
252 static int lowres = 0;
253 static int idct = FF_IDCT_AUTO;
254 static enum AVDiscard skip_frame= AVDISCARD_DEFAULT;
255 static enum AVDiscard skip_idct= AVDISCARD_DEFAULT;
256 static enum AVDiscard skip_loop_filter= AVDISCARD_DEFAULT;
257 static int error_recognition = FF_ER_CAREFUL;
258 static int error_concealment = 3;
259 static int decoder_reorder_pts= -1;
261 static int exit_on_keydown;
262 static int exit_on_mousedown;
264 static int framedrop=-1;
265 static enum ShowMode show_mode = SHOW_MODE_NONE;
266 static const char *audio_codec_name;
267 static const char *subtitle_codec_name;
268 static const char *video_codec_name;
270 static int rdftspeed=20;
272 static char *vfilters = NULL;
275 /* current context */
276 static int is_full_screen;
277 static int64_t audio_callback_time;
279 static AVPacket flush_pkt;
281 #define FF_ALLOC_EVENT (SDL_USEREVENT)
282 #define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
283 #define FF_QUIT_EVENT (SDL_USEREVENT + 2)
285 static SDL_Surface *screen;
287 void exit_program(int ret)
292 static int packet_queue_put(PacketQueue *q, AVPacket *pkt)
296 /* duplicate the packet */
297 if (pkt!=&flush_pkt && av_dup_packet(pkt) < 0)
300 pkt1 = av_malloc(sizeof(AVPacketList));
307 SDL_LockMutex(q->mutex);
313 q->last_pkt->next = pkt1;
316 q->size += pkt1->pkt.size + sizeof(*pkt1);
317 /* XXX: should duplicate packet data in DV case */
318 SDL_CondSignal(q->cond);
320 SDL_UnlockMutex(q->mutex);
324 /* packet queue handling */
325 static void packet_queue_init(PacketQueue *q)
327 memset(q, 0, sizeof(PacketQueue));
328 q->mutex = SDL_CreateMutex();
329 q->cond = SDL_CreateCond();
330 packet_queue_put(q, &flush_pkt);
333 static void packet_queue_flush(PacketQueue *q)
335 AVPacketList *pkt, *pkt1;
337 SDL_LockMutex(q->mutex);
338 for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
340 av_free_packet(&pkt->pkt);
347 SDL_UnlockMutex(q->mutex);
350 static void packet_queue_end(PacketQueue *q)
352 packet_queue_flush(q);
353 SDL_DestroyMutex(q->mutex);
354 SDL_DestroyCond(q->cond);
357 static void packet_queue_abort(PacketQueue *q)
359 SDL_LockMutex(q->mutex);
361 q->abort_request = 1;
363 SDL_CondSignal(q->cond);
365 SDL_UnlockMutex(q->mutex);
368 /* return < 0 if aborted, 0 if no packet and > 0 if packet. */
369 static int packet_queue_get(PacketQueue *q, AVPacket *pkt, int block)
374 SDL_LockMutex(q->mutex);
377 if (q->abort_request) {
384 q->first_pkt = pkt1->next;
388 q->size -= pkt1->pkt.size + sizeof(*pkt1);
397 SDL_CondWait(q->cond, q->mutex);
400 SDL_UnlockMutex(q->mutex);
404 static inline void fill_rectangle(SDL_Surface *screen,
405 int x, int y, int w, int h, int color)
412 SDL_FillRect(screen, &rect, color);
415 #define ALPHA_BLEND(a, oldp, newp, s)\
416 ((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
418 #define RGBA_IN(r, g, b, a, s)\
420 unsigned int v = ((const uint32_t *)(s))[0];\
421 a = (v >> 24) & 0xff;\
422 r = (v >> 16) & 0xff;\
423 g = (v >> 8) & 0xff;\
427 #define YUVA_IN(y, u, v, a, s, pal)\
429 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
430 a = (val >> 24) & 0xff;\
431 y = (val >> 16) & 0xff;\
432 u = (val >> 8) & 0xff;\
436 #define YUVA_OUT(d, y, u, v, a)\
438 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
444 static void blend_subrect(AVPicture *dst, const AVSubtitleRect *rect, int imgw, int imgh)
446 int wrap, wrap3, width2, skip2;
447 int y, u, v, a, u1, v1, a1, w, h;
448 uint8_t *lum, *cb, *cr;
451 int dstx, dsty, dstw, dsth;
453 dstw = av_clip(rect->w, 0, imgw);
454 dsth = av_clip(rect->h, 0, imgh);
455 dstx = av_clip(rect->x, 0, imgw - dstw);
456 dsty = av_clip(rect->y, 0, imgh - dsth);
457 lum = dst->data[0] + dsty * dst->linesize[0];
458 cb = dst->data[1] + (dsty >> 1) * dst->linesize[1];
459 cr = dst->data[2] + (dsty >> 1) * dst->linesize[2];
461 width2 = ((dstw + 1) >> 1) + (dstx & ~dstw & 1);
463 wrap = dst->linesize[0];
464 wrap3 = rect->pict.linesize[0];
465 p = rect->pict.data[0];
466 pal = (const uint32_t *)rect->pict.data[1]; /* Now in YCrCb! */
474 YUVA_IN(y, u, v, a, p, pal);
475 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
476 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
477 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
483 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
484 YUVA_IN(y, u, v, a, p, pal);
488 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
490 YUVA_IN(y, u, v, a, p + BPP, pal);
494 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
495 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
496 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
503 YUVA_IN(y, u, v, a, p, pal);
504 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
505 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
506 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
510 p += wrap3 - dstw * BPP;
511 lum += wrap - dstw - dstx;
512 cb += dst->linesize[1] - width2 - skip2;
513 cr += dst->linesize[2] - width2 - skip2;
515 for(h = dsth - (dsty & 1); h >= 2; h -= 2) {
521 YUVA_IN(y, u, v, a, p, pal);
525 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
528 YUVA_IN(y, u, v, a, p, pal);
532 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
533 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
534 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
540 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
541 YUVA_IN(y, u, v, a, p, pal);
545 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
547 YUVA_IN(y, u, v, a, p + BPP, pal);
551 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
555 YUVA_IN(y, u, v, a, p, pal);
559 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
561 YUVA_IN(y, u, v, a, p + BPP, pal);
565 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
567 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 2);
568 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 2);
572 p += -wrap3 + 2 * BPP;
576 YUVA_IN(y, u, v, a, p, pal);
580 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
583 YUVA_IN(y, u, v, a, p, pal);
587 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
588 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u1, 1);
589 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v1, 1);
595 p += wrap3 + (wrap3 - dstw * BPP);
596 lum += wrap + (wrap - dstw - dstx);
597 cb += dst->linesize[1] - width2 - skip2;
598 cr += dst->linesize[2] - width2 - skip2;
600 /* handle odd height */
607 YUVA_IN(y, u, v, a, p, pal);
608 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
609 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
610 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
616 for(w = dstw - (dstx & 1); w >= 2; w -= 2) {
617 YUVA_IN(y, u, v, a, p, pal);
621 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
623 YUVA_IN(y, u, v, a, p + BPP, pal);
627 lum[1] = ALPHA_BLEND(a, lum[1], y, 0);
628 cb[0] = ALPHA_BLEND(a1 >> 2, cb[0], u, 1);
629 cr[0] = ALPHA_BLEND(a1 >> 2, cr[0], v, 1);
636 YUVA_IN(y, u, v, a, p, pal);
637 lum[0] = ALPHA_BLEND(a, lum[0], y, 0);
638 cb[0] = ALPHA_BLEND(a >> 2, cb[0], u, 0);
639 cr[0] = ALPHA_BLEND(a >> 2, cr[0], v, 0);
644 static void free_subpicture(SubPicture *sp)
646 avsubtitle_free(&sp->sub);
649 static void video_image_display(VideoState *is)
655 int width, height, x, y;
659 vp = &is->pictq[is->pictq_rindex];
662 if (vp->picref->video->sample_aspect_ratio.num == 0)
665 aspect_ratio = av_q2d(vp->picref->video->sample_aspect_ratio);
668 /* XXX: use variable in the frame */
669 if (is->video_st->sample_aspect_ratio.num)
670 aspect_ratio = av_q2d(is->video_st->sample_aspect_ratio);
671 else if (is->video_st->codec->sample_aspect_ratio.num)
672 aspect_ratio = av_q2d(is->video_st->codec->sample_aspect_ratio);
676 if (aspect_ratio <= 0.0)
678 aspect_ratio *= (float)vp->width / (float)vp->height;
680 if (is->subtitle_st) {
681 if (is->subpq_size > 0) {
682 sp = &is->subpq[is->subpq_rindex];
684 if (vp->pts >= sp->pts + ((float) sp->sub.start_display_time / 1000)) {
685 SDL_LockYUVOverlay (vp->bmp);
687 pict.data[0] = vp->bmp->pixels[0];
688 pict.data[1] = vp->bmp->pixels[2];
689 pict.data[2] = vp->bmp->pixels[1];
691 pict.linesize[0] = vp->bmp->pitches[0];
692 pict.linesize[1] = vp->bmp->pitches[2];
693 pict.linesize[2] = vp->bmp->pitches[1];
695 for (i = 0; i < sp->sub.num_rects; i++)
696 blend_subrect(&pict, sp->sub.rects[i],
697 vp->bmp->w, vp->bmp->h);
699 SDL_UnlockYUVOverlay (vp->bmp);
705 /* XXX: we suppose the screen has a 1.0 pixel ratio */
707 width = ((int)rint(height * aspect_ratio)) & ~1;
708 if (width > is->width) {
710 height = ((int)rint(width / aspect_ratio)) & ~1;
712 x = (is->width - width) / 2;
713 y = (is->height - height) / 2;
714 is->no_background = 0;
715 rect.x = is->xleft + x;
716 rect.y = is->ytop + y;
717 rect.w = FFMAX(width, 1);
718 rect.h = FFMAX(height, 1);
719 SDL_DisplayYUVOverlay(vp->bmp, &rect);
723 static inline int compute_mod(int a, int b)
725 return a < 0 ? a%b + b : a%b;
728 static void video_audio_display(VideoState *s)
730 int i, i_start, x, y1, y, ys, delay, n, nb_display_channels;
731 int ch, channels, h, h2, bgcolor, fgcolor;
733 int rdft_bits, nb_freq;
735 for(rdft_bits=1; (1<<rdft_bits)<2*s->height; rdft_bits++)
737 nb_freq= 1<<(rdft_bits-1);
739 /* compute display index : center on currently output samples */
740 channels = s->audio_tgt_channels;
741 nb_display_channels = channels;
743 int data_used= s->show_mode == SHOW_MODE_WAVES ? s->width : (2*nb_freq);
745 delay = s->audio_write_buf_size;
748 /* to be more precise, we take into account the time spent since
749 the last buffer computation */
750 if (audio_callback_time) {
751 time_diff = av_gettime() - audio_callback_time;
752 delay -= (time_diff * s->audio_tgt_freq) / 1000000;
755 delay += 2*data_used;
756 if (delay < data_used)
759 i_start= x = compute_mod(s->sample_array_index - delay * channels, SAMPLE_ARRAY_SIZE);
760 if (s->show_mode == SHOW_MODE_WAVES) {
762 for(i=0; i<1000; i+=channels){
763 int idx= (SAMPLE_ARRAY_SIZE + x - i) % SAMPLE_ARRAY_SIZE;
764 int a= s->sample_array[idx];
765 int b= s->sample_array[(idx + 4*channels)%SAMPLE_ARRAY_SIZE];
766 int c= s->sample_array[(idx + 5*channels)%SAMPLE_ARRAY_SIZE];
767 int d= s->sample_array[(idx + 9*channels)%SAMPLE_ARRAY_SIZE];
769 if(h<score && (b^c)<0){
776 s->last_i_start = i_start;
778 i_start = s->last_i_start;
781 bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
782 if (s->show_mode == SHOW_MODE_WAVES) {
783 fill_rectangle(screen,
784 s->xleft, s->ytop, s->width, s->height,
787 fgcolor = SDL_MapRGB(screen->format, 0xff, 0xff, 0xff);
789 /* total height for one channel */
790 h = s->height / nb_display_channels;
791 /* graph height / 2 */
793 for(ch = 0;ch < nb_display_channels; ch++) {
795 y1 = s->ytop + ch * h + (h / 2); /* position of center line */
796 for(x = 0; x < s->width; x++) {
797 y = (s->sample_array[i] * h2) >> 15;
804 fill_rectangle(screen,
805 s->xleft + x, ys, 1, y,
808 if (i >= SAMPLE_ARRAY_SIZE)
809 i -= SAMPLE_ARRAY_SIZE;
813 fgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0xff);
815 for(ch = 1;ch < nb_display_channels; ch++) {
816 y = s->ytop + ch * h;
817 fill_rectangle(screen,
818 s->xleft, y, s->width, 1,
821 SDL_UpdateRect(screen, s->xleft, s->ytop, s->width, s->height);
823 nb_display_channels= FFMIN(nb_display_channels, 2);
824 if(rdft_bits != s->rdft_bits){
825 av_rdft_end(s->rdft);
826 av_free(s->rdft_data);
827 s->rdft = av_rdft_init(rdft_bits, DFT_R2C);
828 s->rdft_bits= rdft_bits;
829 s->rdft_data= av_malloc(4*nb_freq*sizeof(*s->rdft_data));
833 for(ch = 0;ch < nb_display_channels; ch++) {
834 data[ch] = s->rdft_data + 2*nb_freq*ch;
836 for(x = 0; x < 2*nb_freq; x++) {
837 double w= (x-nb_freq)*(1.0/nb_freq);
838 data[ch][x]= s->sample_array[i]*(1.0-w*w);
840 if (i >= SAMPLE_ARRAY_SIZE)
841 i -= SAMPLE_ARRAY_SIZE;
843 av_rdft_calc(s->rdft, data[ch]);
845 //least efficient way to do this, we should of course directly access it but its more than fast enough
846 for(y=0; y<s->height; y++){
847 double w= 1/sqrt(nb_freq);
848 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]));
849 int b= (nb_display_channels == 2 ) ? sqrt(w*sqrt(data[1][2*y+0]*data[1][2*y+0]
850 + data[1][2*y+1]*data[1][2*y+1])) : a;
853 fgcolor = SDL_MapRGB(screen->format, a, b, (a+b)/2);
855 fill_rectangle(screen,
856 s->xpos, s->height-y, 1, 1,
860 SDL_UpdateRect(screen, s->xpos, s->ytop, 1, s->height);
862 if(s->xpos >= s->width)
867 static void stream_close(VideoState *is)
871 /* XXX: use a special url_shutdown call to abort parse cleanly */
872 is->abort_request = 1;
873 SDL_WaitThread(is->read_tid, NULL);
874 SDL_WaitThread(is->refresh_tid, NULL);
876 /* free all pictures */
877 for(i=0;i<VIDEO_PICTURE_QUEUE_SIZE; i++) {
881 avfilter_unref_buffer(vp->picref);
886 SDL_FreeYUVOverlay(vp->bmp);
890 SDL_DestroyMutex(is->pictq_mutex);
891 SDL_DestroyCond(is->pictq_cond);
892 SDL_DestroyMutex(is->subpq_mutex);
893 SDL_DestroyCond(is->subpq_cond);
895 if (is->img_convert_ctx)
896 sws_freeContext(is->img_convert_ctx);
901 static void do_exit(VideoState *is)
906 av_lockmgr_register(NULL);
914 av_log(NULL, AV_LOG_QUIET, "%s", "");
918 static int video_open(VideoState *is){
919 int flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
922 if(is_full_screen) flags |= SDL_FULLSCREEN;
923 else flags |= SDL_RESIZABLE;
925 if (is_full_screen && fs_screen_width) {
927 h = fs_screen_height;
928 } else if(!is_full_screen && screen_width){
932 }else if (is->out_video_filter && is->out_video_filter->inputs[0]){
933 w = is->out_video_filter->inputs[0]->w;
934 h = is->out_video_filter->inputs[0]->h;
936 }else if (is->video_st && is->video_st->codec->width){
937 w = is->video_st->codec->width;
938 h = is->video_st->codec->height;
944 if(screen && is->width == screen->w && screen->w == w
945 && is->height== screen->h && screen->h == h)
947 screen = SDL_SetVideoMode(w, h, 0, flags);
949 fprintf(stderr, "SDL: could not set video mode - exiting\n");
953 window_title = input_filename;
954 SDL_WM_SetCaption(window_title, window_title);
956 is->width = screen->w;
957 is->height = screen->h;
962 /* display the current picture, if any */
963 static void video_display(VideoState *is)
967 if (is->audio_st && is->show_mode != SHOW_MODE_VIDEO)
968 video_audio_display(is);
969 else if (is->video_st)
970 video_image_display(is);
973 static int refresh_thread(void *opaque)
975 VideoState *is= opaque;
976 while(!is->abort_request){
978 event.type = FF_REFRESH_EVENT;
979 event.user.data1 = opaque;
982 SDL_PushEvent(&event);
984 //FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
985 usleep(is->audio_st && is->show_mode != SHOW_MODE_VIDEO ? rdftspeed*1000 : 5000);
990 /* get the current audio clock value */
991 static double get_audio_clock(VideoState *is)
994 return is->audio_current_pts;
996 return is->audio_current_pts_drift + av_gettime() / 1000000.0;
1000 /* get the current video clock value */
1001 static double get_video_clock(VideoState *is)
1004 return is->video_current_pts;
1006 return is->video_current_pts_drift + av_gettime() / 1000000.0;
1010 /* get the current external clock value */
1011 static double get_external_clock(VideoState *is)
1015 return is->external_clock + ((ti - is->external_clock_time) * 1e-6);
1018 /* get the current master clock value */
1019 static double get_master_clock(VideoState *is)
1023 if (is->av_sync_type == AV_SYNC_VIDEO_MASTER) {
1025 val = get_video_clock(is);
1027 val = get_audio_clock(is);
1028 } else if (is->av_sync_type == AV_SYNC_AUDIO_MASTER) {
1030 val = get_audio_clock(is);
1032 val = get_video_clock(is);
1034 val = get_external_clock(is);
1039 /* seek in the stream */
1040 static void stream_seek(VideoState *is, int64_t pos, int64_t rel, int seek_by_bytes)
1042 if (!is->seek_req) {
1045 is->seek_flags &= ~AVSEEK_FLAG_BYTE;
1047 is->seek_flags |= AVSEEK_FLAG_BYTE;
1052 /* pause or resume the video */
1053 static void stream_toggle_pause(VideoState *is)
1056 is->frame_timer += av_gettime() / 1000000.0 + is->video_current_pts_drift - is->video_current_pts;
1057 if(is->read_pause_return != AVERROR(ENOSYS)){
1058 is->video_current_pts = is->video_current_pts_drift + av_gettime() / 1000000.0;
1060 is->video_current_pts_drift = is->video_current_pts - av_gettime() / 1000000.0;
1062 is->paused = !is->paused;
1065 static double compute_target_delay(double delay, VideoState *is)
1067 double sync_threshold, diff;
1069 /* update delay to follow master synchronisation source */
1070 if (((is->av_sync_type == AV_SYNC_AUDIO_MASTER && is->audio_st) ||
1071 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1072 /* if video is slave, we try to correct big delays by
1073 duplicating or deleting a frame */
1074 diff = get_video_clock(is) - get_master_clock(is);
1076 /* skip or repeat frame. We take into account the
1077 delay to compute the threshold. I still don't know
1078 if it is the best guess */
1079 sync_threshold = FFMAX(AV_SYNC_THRESHOLD, delay);
1080 if (fabs(diff) < AV_NOSYNC_THRESHOLD) {
1081 if (diff <= -sync_threshold)
1083 else if (diff >= sync_threshold)
1088 av_dlog(NULL, "video: delay=%0.3f A-V=%f\n",
1094 static void pictq_next_picture(VideoState *is) {
1095 /* update queue size and signal for next picture */
1096 if (++is->pictq_rindex == VIDEO_PICTURE_QUEUE_SIZE)
1097 is->pictq_rindex = 0;
1099 SDL_LockMutex(is->pictq_mutex);
1101 SDL_CondSignal(is->pictq_cond);
1102 SDL_UnlockMutex(is->pictq_mutex);
1105 /* called to display each frame */
1106 static void video_refresh(void *opaque)
1108 VideoState *is = opaque;
1111 SubPicture *sp, *sp2;
1115 if (is->pictq_size == 0) {
1116 //nothing to do, no picture to display in the que
1118 double time= av_gettime()/1000000.0;
1119 double last_duration, duration, delay;
1120 /* dequeue the picture */
1121 vp = &is->pictq[is->pictq_rindex];
1124 pictq_next_picture(is);
1128 /* compute nominal last_duration */
1129 last_duration = vp->pts - is->frame_last_pts;
1130 if (last_duration > 0 && last_duration < 10.0) {
1131 /* if duration of the last frame was sane, update last_duration in video state */
1132 is->frame_last_duration = last_duration;
1134 delay = compute_target_delay(is->frame_last_duration, is);
1136 if(time < is->frame_timer + delay)
1139 is->frame_last_pts = vp->pts;
1141 is->frame_timer += delay * FFMAX(1, floor((time-is->frame_timer) / delay));
1143 /* update current video pts */
1144 is->video_current_pts = vp->pts;
1145 is->video_current_pts_drift = is->video_current_pts - time;
1146 is->video_current_pos = vp->pos;
1148 if(is->pictq_size > 1) {
1149 VideoPicture *nextvp= &is->pictq[(is->pictq_rindex+1)%VIDEO_PICTURE_QUEUE_SIZE];
1150 duration = nextvp->pts - vp->pts; // More accurate this way, 1/time_base is often not reflecting FPS
1152 duration = vp->duration;
1155 if((framedrop>0 || (framedrop && is->audio_st)) && time > is->frame_timer + duration){
1156 if(is->pictq_size > 1){
1157 pictq_next_picture(is);
1162 if(is->subtitle_st) {
1163 if (is->subtitle_stream_changed) {
1164 SDL_LockMutex(is->subpq_mutex);
1166 while (is->subpq_size) {
1167 free_subpicture(&is->subpq[is->subpq_rindex]);
1169 /* update queue size and signal for next picture */
1170 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1171 is->subpq_rindex = 0;
1175 is->subtitle_stream_changed = 0;
1177 SDL_CondSignal(is->subpq_cond);
1178 SDL_UnlockMutex(is->subpq_mutex);
1180 if (is->subpq_size > 0) {
1181 sp = &is->subpq[is->subpq_rindex];
1183 if (is->subpq_size > 1)
1184 sp2 = &is->subpq[(is->subpq_rindex + 1) % SUBPICTURE_QUEUE_SIZE];
1188 if ((is->video_current_pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
1189 || (sp2 && is->video_current_pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
1191 free_subpicture(sp);
1193 /* update queue size and signal for next picture */
1194 if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
1195 is->subpq_rindex = 0;
1197 SDL_LockMutex(is->subpq_mutex);
1199 SDL_CondSignal(is->subpq_cond);
1200 SDL_UnlockMutex(is->subpq_mutex);
1206 /* display picture */
1207 if (!display_disable)
1210 pictq_next_picture(is);
1212 } else if (is->audio_st) {
1213 /* draw the next audio frame */
1215 /* if only audio stream, then display the audio bars (better
1216 than nothing, just to test the implementation */
1218 /* display picture */
1219 if (!display_disable)
1223 static int64_t last_time;
1225 int aqsize, vqsize, sqsize;
1228 cur_time = av_gettime();
1229 if (!last_time || (cur_time - last_time) >= 30000) {
1234 aqsize = is->audioq.size;
1236 vqsize = is->videoq.size;
1237 if (is->subtitle_st)
1238 sqsize = is->subtitleq.size;
1240 if (is->audio_st && is->video_st)
1241 av_diff = get_audio_clock(is) - get_video_clock(is);
1242 printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64"/%"PRId64" \r",
1243 get_master_clock(is),
1248 is->video_st ? is->video_st->codec->pts_correction_num_faulty_dts : 0,
1249 is->video_st ? is->video_st->codec->pts_correction_num_faulty_pts : 0);
1251 last_time = cur_time;
1256 /* allocate a picture (needs to do that in main thread to avoid
1257 potential locking problems */
1258 static void alloc_picture(void *opaque)
1260 VideoState *is = opaque;
1263 vp = &is->pictq[is->pictq_windex];
1266 SDL_FreeYUVOverlay(vp->bmp);
1270 avfilter_unref_buffer(vp->picref);
1273 vp->width = is->out_video_filter->inputs[0]->w;
1274 vp->height = is->out_video_filter->inputs[0]->h;
1275 vp->pix_fmt = is->out_video_filter->inputs[0]->format;
1277 vp->width = is->video_st->codec->width;
1278 vp->height = is->video_st->codec->height;
1279 vp->pix_fmt = is->video_st->codec->pix_fmt;
1282 vp->bmp = SDL_CreateYUVOverlay(vp->width, vp->height,
1285 if (!vp->bmp || vp->bmp->pitches[0] < vp->width) {
1286 /* SDL allocates a buffer smaller than requested if the video
1287 * overlay hardware is unable to support the requested size. */
1288 fprintf(stderr, "Error: the video system does not support an image\n"
1289 "size of %dx%d pixels. Try using -lowres or -vf \"scale=w:h\"\n"
1290 "to reduce the image size.\n", vp->width, vp->height );
1294 SDL_LockMutex(is->pictq_mutex);
1296 SDL_CondSignal(is->pictq_cond);
1297 SDL_UnlockMutex(is->pictq_mutex);
1300 static int queue_picture(VideoState *is, AVFrame *src_frame, double pts1, int64_t pos)
1303 double frame_delay, pts = pts1;
1305 /* compute the exact PTS for the picture if it is omitted in the stream
1306 * pts1 is the dts of the pkt / pts of the frame */
1308 /* update video clock with pts, if present */
1309 is->video_clock = pts;
1311 pts = is->video_clock;
1313 /* update video clock for next frame */
1314 frame_delay = av_q2d(is->video_st->codec->time_base);
1315 /* for MPEG2, the frame can be repeated, so we update the
1316 clock accordingly */
1317 frame_delay += src_frame->repeat_pict * (frame_delay * 0.5);
1318 is->video_clock += frame_delay;
1320 #if defined(DEBUG_SYNC) && 0
1321 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1322 av_get_picture_type_char(src_frame->pict_type), pts, pts1);
1325 /* wait until we have space to put a new picture */
1326 SDL_LockMutex(is->pictq_mutex);
1328 while (is->pictq_size >= VIDEO_PICTURE_QUEUE_SIZE &&
1329 !is->videoq.abort_request) {
1330 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1332 SDL_UnlockMutex(is->pictq_mutex);
1334 if (is->videoq.abort_request)
1337 vp = &is->pictq[is->pictq_windex];
1339 vp->duration = frame_delay;
1341 /* alloc or resize hardware picture buffer */
1342 if (!vp->bmp || vp->reallocate ||
1344 vp->width != is->out_video_filter->inputs[0]->w ||
1345 vp->height != is->out_video_filter->inputs[0]->h) {
1347 vp->width != is->video_st->codec->width ||
1348 vp->height != is->video_st->codec->height) {
1355 /* the allocation must be done in the main thread to avoid
1357 event.type = FF_ALLOC_EVENT;
1358 event.user.data1 = is;
1359 SDL_PushEvent(&event);
1361 /* wait until the picture is allocated */
1362 SDL_LockMutex(is->pictq_mutex);
1363 while (!vp->allocated && !is->videoq.abort_request) {
1364 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1366 /* if the queue is aborted, we have to pop the pending ALLOC event or wait for the allocation to complete */
1367 if (is->videoq.abort_request && SDL_PeepEvents(&event, 1, SDL_GETEVENT, SDL_EVENTMASK(FF_ALLOC_EVENT)) != 1) {
1368 while (!vp->allocated) {
1369 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1372 SDL_UnlockMutex(is->pictq_mutex);
1374 if (is->videoq.abort_request)
1378 /* if the frame is not skipped, then display it */
1383 avfilter_unref_buffer(vp->picref);
1384 vp->picref = src_frame->opaque;
1387 /* get a pointer on the bitmap */
1388 SDL_LockYUVOverlay (vp->bmp);
1390 memset(&pict,0,sizeof(AVPicture));
1391 pict.data[0] = vp->bmp->pixels[0];
1392 pict.data[1] = vp->bmp->pixels[2];
1393 pict.data[2] = vp->bmp->pixels[1];
1395 pict.linesize[0] = vp->bmp->pitches[0];
1396 pict.linesize[1] = vp->bmp->pitches[2];
1397 pict.linesize[2] = vp->bmp->pitches[1];
1400 //FIXME use direct rendering
1401 av_picture_copy(&pict, (AVPicture *)src_frame,
1402 vp->pix_fmt, vp->width, vp->height);
1404 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1405 is->img_convert_ctx = sws_getCachedContext(is->img_convert_ctx,
1406 vp->width, vp->height, vp->pix_fmt, vp->width, vp->height,
1407 PIX_FMT_YUV420P, sws_flags, NULL, NULL, NULL);
1408 if (is->img_convert_ctx == NULL) {
1409 fprintf(stderr, "Cannot initialize the conversion context\n");
1412 sws_scale(is->img_convert_ctx, src_frame->data, src_frame->linesize,
1413 0, vp->height, pict.data, pict.linesize);
1415 /* update the bitmap content */
1416 SDL_UnlockYUVOverlay(vp->bmp);
1422 /* now we can update the picture count */
1423 if (++is->pictq_windex == VIDEO_PICTURE_QUEUE_SIZE)
1424 is->pictq_windex = 0;
1425 SDL_LockMutex(is->pictq_mutex);
1427 SDL_UnlockMutex(is->pictq_mutex);
1432 static int get_video_frame(VideoState *is, AVFrame *frame, int64_t *pts, AVPacket *pkt)
1436 if (packet_queue_get(&is->videoq, pkt, 1) < 0)
1439 if (pkt->data == flush_pkt.data) {
1440 avcodec_flush_buffers(is->video_st->codec);
1442 SDL_LockMutex(is->pictq_mutex);
1443 //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1444 for (i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
1445 is->pictq[i].skip = 1;
1447 while (is->pictq_size && !is->videoq.abort_request) {
1448 SDL_CondWait(is->pictq_cond, is->pictq_mutex);
1450 is->video_current_pos = -1;
1451 SDL_UnlockMutex(is->pictq_mutex);
1453 is->frame_last_pts = AV_NOPTS_VALUE;
1454 is->frame_last_duration = 0;
1455 is->frame_timer = (double)av_gettime() / 1000000.0;
1459 avcodec_decode_video2(is->video_st->codec, frame, &got_picture, pkt);
1462 if (decoder_reorder_pts == -1) {
1463 *pts = frame->best_effort_timestamp;
1464 } else if (decoder_reorder_pts) {
1465 *pts = frame->pkt_pts;
1467 *pts = frame->pkt_dts;
1470 if (*pts == AV_NOPTS_VALUE) {
1487 static int input_get_buffer(AVCodecContext *codec, AVFrame *pic)
1489 AVFilterContext *ctx = codec->opaque;
1490 AVFilterBufferRef *ref;
1491 int perms = AV_PERM_WRITE;
1492 int i, w, h, stride[4];
1496 av_assert0(codec->flags & CODEC_FLAG_EMU_EDGE);
1498 if (codec->codec->capabilities & CODEC_CAP_NEG_LINESIZES)
1499 perms |= AV_PERM_NEG_LINESIZES;
1501 if(pic->buffer_hints & FF_BUFFER_HINTS_VALID) {
1502 if(pic->buffer_hints & FF_BUFFER_HINTS_READABLE) perms |= AV_PERM_READ;
1503 if(pic->buffer_hints & FF_BUFFER_HINTS_PRESERVE) perms |= AV_PERM_PRESERVE;
1504 if(pic->buffer_hints & FF_BUFFER_HINTS_REUSABLE) perms |= AV_PERM_REUSE2;
1506 if(pic->reference) perms |= AV_PERM_READ | AV_PERM_PRESERVE;
1511 if(av_image_check_size(w, h, 0, codec))
1514 avcodec_align_dimensions2(codec, &w, &h, stride);
1515 edge = codec->flags & CODEC_FLAG_EMU_EDGE ? 0 : avcodec_get_edge_width();
1519 if(!(ref = avfilter_get_video_buffer(ctx->outputs[0], perms, w, h)))
1522 pixel_size = av_pix_fmt_descriptors[ref->format].comp[0].step_minus1+1;
1523 ref->video->w = codec->width;
1524 ref->video->h = codec->height;
1525 for(i = 0; i < 4; i ++) {
1526 unsigned hshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_w : 0;
1527 unsigned vshift = (i == 1 || i == 2) ? av_pix_fmt_descriptors[ref->format].log2_chroma_h : 0;
1530 ref->data[i] += ((edge * pixel_size) >> hshift) + ((edge * ref->linesize[i]) >> vshift);
1532 pic->data[i] = ref->data[i];
1533 pic->linesize[i] = ref->linesize[i];
1537 pic->type = FF_BUFFER_TYPE_USER;
1538 pic->reordered_opaque = codec->reordered_opaque;
1539 if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1540 else pic->pkt_pts = AV_NOPTS_VALUE;
1544 static void input_release_buffer(AVCodecContext *codec, AVFrame *pic)
1546 memset(pic->data, 0, sizeof(pic->data));
1547 avfilter_unref_buffer(pic->opaque);
1550 static int input_reget_buffer(AVCodecContext *codec, AVFrame *pic)
1552 AVFilterBufferRef *ref = pic->opaque;
1554 if (pic->data[0] == NULL) {
1555 pic->buffer_hints |= FF_BUFFER_HINTS_READABLE;
1556 return codec->get_buffer(codec, pic);
1559 if ((codec->width != ref->video->w) || (codec->height != ref->video->h) ||
1560 (codec->pix_fmt != ref->format)) {
1561 av_log(codec, AV_LOG_ERROR, "Picture properties changed.\n");
1565 pic->reordered_opaque = codec->reordered_opaque;
1566 if(codec->pkt) pic->pkt_pts = codec->pkt->pts;
1567 else pic->pkt_pts = AV_NOPTS_VALUE;
1571 static int input_init(AVFilterContext *ctx, const char *args, void *opaque)
1573 FilterPriv *priv = ctx->priv;
1574 AVCodecContext *codec;
1575 if(!opaque) return -1;
1578 codec = priv->is->video_st->codec;
1579 codec->opaque = ctx;
1580 if((codec->codec->capabilities & CODEC_CAP_DR1)
1582 av_assert0(codec->flags & CODEC_FLAG_EMU_EDGE);
1584 codec->get_buffer = input_get_buffer;
1585 codec->release_buffer = input_release_buffer;
1586 codec->reget_buffer = input_reget_buffer;
1587 codec->thread_safe_callbacks = 1;
1590 priv->frame = avcodec_alloc_frame();
1595 static void input_uninit(AVFilterContext *ctx)
1597 FilterPriv *priv = ctx->priv;
1598 av_free(priv->frame);
1601 static int input_request_frame(AVFilterLink *link)
1603 FilterPriv *priv = link->src->priv;
1604 AVFilterBufferRef *picref;
1609 while (!(ret = get_video_frame(priv->is, priv->frame, &pts, &pkt)))
1610 av_free_packet(&pkt);
1614 if(priv->use_dr1 && priv->frame->opaque) {
1615 picref = avfilter_ref_buffer(priv->frame->opaque, ~0);
1617 picref = avfilter_get_video_buffer(link, AV_PERM_WRITE, link->w, link->h);
1618 av_image_copy(picref->data, picref->linesize,
1619 priv->frame->data, priv->frame->linesize,
1620 picref->format, link->w, link->h);
1622 av_free_packet(&pkt);
1624 avfilter_copy_frame_props(picref, priv->frame);
1627 avfilter_start_frame(link, picref);
1628 avfilter_draw_slice(link, 0, link->h, 1);
1629 avfilter_end_frame(link);
1634 static int input_query_formats(AVFilterContext *ctx)
1636 FilterPriv *priv = ctx->priv;
1637 enum PixelFormat pix_fmts[] = {
1638 priv->is->video_st->codec->pix_fmt, PIX_FMT_NONE
1641 avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));
1645 static int input_config_props(AVFilterLink *link)
1647 FilterPriv *priv = link->src->priv;
1648 AVStream *s = priv->is->video_st;
1650 link->w = s->codec->width;
1651 link->h = s->codec->height;
1652 link->sample_aspect_ratio = s->sample_aspect_ratio.num ?
1653 s->sample_aspect_ratio : s->codec->sample_aspect_ratio;
1654 link->time_base = s->time_base;
1659 static AVFilter input_filter =
1661 .name = "ffplay_input",
1663 .priv_size = sizeof(FilterPriv),
1666 .uninit = input_uninit,
1668 .query_formats = input_query_formats,
1670 .inputs = (AVFilterPad[]) {{ .name = NULL }},
1671 .outputs = (AVFilterPad[]) {{ .name = "default",
1672 .type = AVMEDIA_TYPE_VIDEO,
1673 .request_frame = input_request_frame,
1674 .config_props = input_config_props, },
1678 static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const char *vfilters)
1680 char sws_flags_str[128];
1682 enum PixelFormat pix_fmts[] = { PIX_FMT_YUV420P, PIX_FMT_NONE };
1683 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
1684 AVFilterContext *filt_src = NULL, *filt_out = NULL;
1685 snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
1686 graph->scale_sws_opts = av_strdup(sws_flags_str);
1688 if ((ret = avfilter_graph_create_filter(&filt_src, &input_filter, "src",
1689 NULL, is, graph)) < 0)
1691 #if FF_API_OLD_VSINK_API
1692 ret = avfilter_graph_create_filter(&filt_out, avfilter_get_by_name("buffersink"), "out",
1693 NULL, pix_fmts, graph);
1695 buffersink_params->pixel_fmts = pix_fmts;
1696 ret = avfilter_graph_create_filter(&filt_out, avfilter_get_by_name("buffersink"), "out",
1697 NULL, buffersink_params, graph);
1699 av_freep(&buffersink_params);
1704 AVFilterInOut *outputs = avfilter_inout_alloc();
1705 AVFilterInOut *inputs = avfilter_inout_alloc();
1707 outputs->name = av_strdup("in");
1708 outputs->filter_ctx = filt_src;
1709 outputs->pad_idx = 0;
1710 outputs->next = NULL;
1712 inputs->name = av_strdup("out");
1713 inputs->filter_ctx = filt_out;
1714 inputs->pad_idx = 0;
1715 inputs->next = NULL;
1717 if ((ret = avfilter_graph_parse(graph, vfilters, &inputs, &outputs, NULL)) < 0)
1720 if ((ret = avfilter_link(filt_src, 0, filt_out, 0)) < 0)
1724 if ((ret = avfilter_graph_config(graph, NULL)) < 0)
1727 is->out_video_filter = filt_out;
1732 #endif /* CONFIG_AVFILTER */
1734 static int video_thread(void *arg)
1736 VideoState *is = arg;
1737 AVFrame *frame= avcodec_alloc_frame();
1738 int64_t pts_int = AV_NOPTS_VALUE, pos = -1;
1743 AVFilterGraph *graph = avfilter_graph_alloc();
1744 AVFilterContext *filt_out = NULL;
1745 int last_w = is->video_st->codec->width;
1746 int last_h = is->video_st->codec->height;
1748 if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
1750 filt_out = is->out_video_filter;
1754 #if !CONFIG_AVFILTER
1757 AVFilterBufferRef *picref;
1758 AVRational tb = filt_out->inputs[0]->time_base;
1760 while (is->paused && !is->videoq.abort_request)
1763 if ( last_w != is->video_st->codec->width
1764 || last_h != is->video_st->codec->height) {
1765 av_log(NULL, AV_LOG_INFO, "Frame changed from size:%dx%d to size:%dx%d\n",
1766 last_w, last_h, is->video_st->codec->width, is->video_st->codec->height);
1767 avfilter_graph_free(&graph);
1768 graph = avfilter_graph_alloc();
1769 if ((ret = configure_video_filters(graph, is, vfilters)) < 0)
1771 filt_out = is->out_video_filter;
1772 last_w = is->video_st->codec->width;
1773 last_h = is->video_st->codec->height;
1775 ret = av_buffersink_get_buffer_ref(filt_out, &picref, 0);
1777 avfilter_fill_frame_from_video_buffer_ref(frame, picref);
1778 pts_int = picref->pts;
1780 frame->opaque = picref;
1783 if (av_cmp_q(tb, is->video_st->time_base)) {
1784 av_unused int64_t pts1 = pts_int;
1785 pts_int = av_rescale_q(pts_int, tb, is->video_st->time_base);
1786 av_dlog(NULL, "video_thread(): "
1787 "tb:%d/%d pts:%"PRId64" -> tb:%d/%d pts:%"PRId64"\n",
1788 tb.num, tb.den, pts1,
1789 is->video_st->time_base.num, is->video_st->time_base.den, pts_int);
1792 ret = get_video_frame(is, frame, &pts_int, &pkt);
1794 av_free_packet(&pkt);
1797 if (ret < 0) goto the_end;
1804 pts = pts_int*av_q2d(is->video_st->time_base);
1806 ret = queue_picture(is, frame, pts, pos);
1812 stream_toggle_pause(is);
1816 avfilter_graph_free(&graph);
1822 static int subtitle_thread(void *arg)
1824 VideoState *is = arg;
1826 AVPacket pkt1, *pkt = &pkt1;
1830 int r, g, b, y, u, v, a;
1833 while (is->paused && !is->subtitleq.abort_request) {
1836 if (packet_queue_get(&is->subtitleq, pkt, 1) < 0)
1839 if(pkt->data == flush_pkt.data){
1840 avcodec_flush_buffers(is->subtitle_st->codec);
1843 SDL_LockMutex(is->subpq_mutex);
1844 while (is->subpq_size >= SUBPICTURE_QUEUE_SIZE &&
1845 !is->subtitleq.abort_request) {
1846 SDL_CondWait(is->subpq_cond, is->subpq_mutex);
1848 SDL_UnlockMutex(is->subpq_mutex);
1850 if (is->subtitleq.abort_request)
1853 sp = &is->subpq[is->subpq_windex];
1855 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1856 this packet, if any */
1858 if (pkt->pts != AV_NOPTS_VALUE)
1859 pts = av_q2d(is->subtitle_st->time_base)*pkt->pts;
1861 avcodec_decode_subtitle2(is->subtitle_st->codec, &sp->sub,
1862 &got_subtitle, pkt);
1864 if (got_subtitle && sp->sub.format == 0) {
1867 for (i = 0; i < sp->sub.num_rects; i++)
1869 for (j = 0; j < sp->sub.rects[i]->nb_colors; j++)
1871 RGBA_IN(r, g, b, a, (uint32_t*)sp->sub.rects[i]->pict.data[1] + j);
1872 y = RGB_TO_Y_CCIR(r, g, b);
1873 u = RGB_TO_U_CCIR(r, g, b, 0);
1874 v = RGB_TO_V_CCIR(r, g, b, 0);
1875 YUVA_OUT((uint32_t*)sp->sub.rects[i]->pict.data[1] + j, y, u, v, a);
1879 /* now we can update the picture count */
1880 if (++is->subpq_windex == SUBPICTURE_QUEUE_SIZE)
1881 is->subpq_windex = 0;
1882 SDL_LockMutex(is->subpq_mutex);
1884 SDL_UnlockMutex(is->subpq_mutex);
1886 av_free_packet(pkt);
1891 /* copy samples for viewing in editor window */
1892 static void update_sample_display(VideoState *is, short *samples, int samples_size)
1896 size = samples_size / sizeof(short);
1898 len = SAMPLE_ARRAY_SIZE - is->sample_array_index;
1901 memcpy(is->sample_array + is->sample_array_index, samples, len * sizeof(short));
1903 is->sample_array_index += len;
1904 if (is->sample_array_index >= SAMPLE_ARRAY_SIZE)
1905 is->sample_array_index = 0;
1910 /* return the new audio buffer size (samples can be added or deleted
1911 to get better sync if video or external master clock) */
1912 static int synchronize_audio(VideoState *is, short *samples,
1913 int samples_size1, double pts)
1915 int n, samples_size;
1918 n = av_get_bytes_per_sample(is->audio_tgt_fmt) * is->audio_tgt_channels;
1919 samples_size = samples_size1;
1921 /* if not master, then we try to remove or add samples to correct the clock */
1922 if (((is->av_sync_type == AV_SYNC_VIDEO_MASTER && is->video_st) ||
1923 is->av_sync_type == AV_SYNC_EXTERNAL_CLOCK)) {
1924 double diff, avg_diff;
1925 int wanted_size, min_size, max_size, nb_samples;
1927 ref_clock = get_master_clock(is);
1928 diff = get_audio_clock(is) - ref_clock;
1930 if (diff < AV_NOSYNC_THRESHOLD) {
1931 is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum;
1932 if (is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) {
1933 /* not enough measures to have a correct estimate */
1934 is->audio_diff_avg_count++;
1936 /* estimate the A-V difference */
1937 avg_diff = is->audio_diff_cum * (1.0 - is->audio_diff_avg_coef);
1939 if (fabs(avg_diff) >= is->audio_diff_threshold) {
1940 wanted_size = samples_size + ((int)(diff * is->audio_tgt_freq) * n);
1941 nb_samples = samples_size / n;
1943 min_size = ((nb_samples * (100 - SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1944 max_size = ((nb_samples * (100 + SAMPLE_CORRECTION_PERCENT_MAX)) / 100) * n;
1945 if (wanted_size < min_size)
1946 wanted_size = min_size;
1947 else if (wanted_size > FFMIN3(max_size, sizeof(is->audio_buf1), sizeof(is->audio_buf2)))
1948 wanted_size = FFMIN3(max_size, sizeof(is->audio_buf1), sizeof(is->audio_buf2));
1950 /* add or remove samples to correction the synchro */
1951 if (wanted_size < samples_size) {
1952 /* remove samples */
1953 samples_size = wanted_size;
1954 } else if (wanted_size > samples_size) {
1955 uint8_t *samples_end, *q;
1959 nb = (samples_size - wanted_size);
1960 samples_end = (uint8_t *)samples + samples_size - n;
1961 q = samples_end + n;
1963 memcpy(q, samples_end, n);
1967 samples_size = wanted_size;
1970 av_dlog(NULL, "diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1971 diff, avg_diff, samples_size - samples_size1,
1972 is->audio_clock, is->video_clock, is->audio_diff_threshold);
1975 /* too big difference : may be initial PTS errors, so
1977 is->audio_diff_avg_count = 0;
1978 is->audio_diff_cum = 0;
1982 return samples_size;
1985 /* decode one audio frame and returns its uncompressed size */
1986 static int audio_decode_frame(VideoState *is, double *pts_ptr)
1988 AVPacket *pkt_temp = &is->audio_pkt_temp;
1989 AVPacket *pkt = &is->audio_pkt;
1990 AVCodecContext *dec= is->audio_st->codec;
1991 int len1, len2, data_size, resampled_data_size;
1992 int64_t dec_channel_layout;
1995 int flush_complete = 0;
1998 /* NOTE: the audio packet can contain several frames */
1999 while (pkt_temp->size > 0 || (!pkt_temp->data && new_packet)) {
2003 data_size = sizeof(is->audio_buf1);
2004 len1 = avcodec_decode_audio3(dec,
2005 (int16_t *)is->audio_buf1, &data_size,
2008 /* if error, we skip the frame */
2013 pkt_temp->data += len1;
2014 pkt_temp->size -= len1;
2016 if (data_size <= 0) {
2017 /* stop sending empty packets if the decoder is finished */
2018 if (!pkt_temp->data && dec->codec->capabilities & CODEC_CAP_DELAY)
2023 dec_channel_layout = (dec->channel_layout && dec->channels == av_get_channel_layout_nb_channels(dec->channel_layout)) ? dec->channel_layout : av_get_default_channel_layout(dec->channels);
2025 if (dec->sample_fmt != is->audio_src_fmt || dec_channel_layout != is->audio_src_channel_layout || dec->sample_rate != is->audio_src_freq) {
2027 swr_free(&is->swr_ctx);
2028 is->swr_ctx = swr_alloc2(NULL, is->audio_tgt_channel_layout, is->audio_tgt_fmt, is->audio_tgt_freq,
2029 dec_channel_layout, dec->sample_fmt, dec->sample_rate,
2031 if (!is->swr_ctx || swr_init(is->swr_ctx) < 0) {
2032 fprintf(stderr, "Cannot create sample rate converter for conversion of %d Hz %s %d channels to %d Hz %s %d channels!\n",
2034 av_get_sample_fmt_name(dec->sample_fmt),
2037 av_get_sample_fmt_name(is->audio_tgt_fmt),
2038 is->audio_tgt_channels);
2041 is->audio_src_channel_layout = dec_channel_layout;
2042 is->audio_src_channels = dec->channels;
2043 is->audio_src_freq = dec->sample_rate;
2044 is->audio_src_fmt = dec->sample_fmt;
2047 resampled_data_size = data_size;
2049 const uint8_t *in[] = {is->audio_buf1};
2050 uint8_t *out[] = {is->audio_buf2};
2051 len2 = swr_convert(is->swr_ctx, out, sizeof(is->audio_buf2) / is->audio_tgt_channels / av_get_bytes_per_sample(is->audio_tgt_fmt),
2052 in, data_size / dec->channels / av_get_bytes_per_sample(dec->sample_fmt));
2054 fprintf(stderr, "audio_resample() failed\n");
2057 if (len2 == sizeof(is->audio_buf2) / is->audio_tgt_channels / av_get_bytes_per_sample(is->audio_tgt_fmt)) {
2058 fprintf(stderr, "warning: audio buffer is probably too small\n");
2059 swr_init(is->swr_ctx);
2061 is->audio_buf = is->audio_buf2;
2062 resampled_data_size = len2 * is->audio_tgt_channels * av_get_bytes_per_sample(is->audio_tgt_fmt);
2064 is->audio_buf= is->audio_buf1;
2067 /* if no pts, then compute it */
2068 pts = is->audio_clock;
2070 is->audio_clock += (double)data_size / (dec->channels * dec->sample_rate * av_get_bytes_per_sample(dec->sample_fmt));
2073 static double last_clock;
2074 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2075 is->audio_clock - last_clock,
2076 is->audio_clock, pts);
2077 last_clock = is->audio_clock;
2080 return resampled_data_size;
2083 /* free the current packet */
2085 av_free_packet(pkt);
2087 if (is->paused || is->audioq.abort_request) {
2091 /* read next packet */
2092 if ((new_packet = packet_queue_get(&is->audioq, pkt, 1)) < 0)
2095 if (pkt->data == flush_pkt.data)
2096 avcodec_flush_buffers(dec);
2098 pkt_temp->data = pkt->data;
2099 pkt_temp->size = pkt->size;
2101 /* if update the audio clock with the pts */
2102 if (pkt->pts != AV_NOPTS_VALUE) {
2103 is->audio_clock = av_q2d(is->audio_st->time_base)*pkt->pts;
2108 /* prepare a new audio buffer */
2109 static void sdl_audio_callback(void *opaque, Uint8 *stream, int len)
2111 VideoState *is = opaque;
2112 int audio_size, len1;
2116 audio_callback_time = av_gettime();
2119 if (is->audio_buf_index >= is->audio_buf_size) {
2120 audio_size = audio_decode_frame(is, &pts);
2121 if (audio_size < 0) {
2122 /* if error, just output silence */
2123 is->audio_buf = is->audio_buf1;
2124 is->audio_buf_size = 256 * is->audio_tgt_channels * av_get_bytes_per_sample(is->audio_tgt_fmt);
2125 memset(is->audio_buf, 0, is->audio_buf_size);
2127 if (is->show_mode != SHOW_MODE_VIDEO)
2128 update_sample_display(is, (int16_t *)is->audio_buf, audio_size);
2129 audio_size = synchronize_audio(is, (int16_t *)is->audio_buf, audio_size,
2131 is->audio_buf_size = audio_size;
2133 is->audio_buf_index = 0;
2135 len1 = is->audio_buf_size - is->audio_buf_index;
2138 memcpy(stream, (uint8_t *)is->audio_buf + is->audio_buf_index, len1);
2141 is->audio_buf_index += len1;
2143 bytes_per_sec = is->audio_tgt_freq * is->audio_tgt_channels * av_get_bytes_per_sample(is->audio_tgt_fmt);
2144 is->audio_write_buf_size = is->audio_buf_size - is->audio_buf_index;
2145 /* Let's assume the audio driver that is used by SDL has two periods. */
2146 is->audio_current_pts = is->audio_clock - (double)(2 * is->audio_hw_buf_size + is->audio_write_buf_size) / bytes_per_sec;
2147 is->audio_current_pts_drift = is->audio_current_pts - audio_callback_time / 1000000.0;
2150 /* open a given stream. Return 0 if OK */
2151 static int stream_component_open(VideoState *is, int stream_index)
2153 AVFormatContext *ic = is->ic;
2154 AVCodecContext *avctx;
2156 SDL_AudioSpec wanted_spec, spec;
2158 AVDictionaryEntry *t = NULL;
2159 int64_t wanted_channel_layout = 0;
2161 if (stream_index < 0 || stream_index >= ic->nb_streams)
2163 avctx = ic->streams[stream_index]->codec;
2165 opts = filter_codec_opts(codec_opts, avctx->codec_id, ic, ic->streams[stream_index]);
2167 codec = avcodec_find_decoder(avctx->codec_id);
2168 switch(avctx->codec_type){
2169 case AVMEDIA_TYPE_AUDIO : if(audio_codec_name ) codec= avcodec_find_decoder_by_name( audio_codec_name); break;
2170 case AVMEDIA_TYPE_SUBTITLE: if(subtitle_codec_name) codec= avcodec_find_decoder_by_name(subtitle_codec_name); break;
2171 case AVMEDIA_TYPE_VIDEO : if(video_codec_name ) codec= avcodec_find_decoder_by_name( video_codec_name); break;
2176 avctx->workaround_bugs = workaround_bugs;
2177 avctx->lowres = lowres;
2178 if(lowres) avctx->flags |= CODEC_FLAG_EMU_EDGE;
2179 avctx->idct_algo= idct;
2180 if(fast) avctx->flags2 |= CODEC_FLAG2_FAST;
2181 avctx->skip_frame= skip_frame;
2182 avctx->skip_idct= skip_idct;
2183 avctx->skip_loop_filter= skip_loop_filter;
2184 avctx->error_recognition= error_recognition;
2185 avctx->error_concealment= error_concealment;
2187 if(codec->capabilities & CODEC_CAP_DR1)
2188 avctx->flags |= CODEC_FLAG_EMU_EDGE;
2190 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2191 wanted_channel_layout = (avctx->channel_layout && avctx->channels == av_get_channel_layout_nb_channels(avctx->channels)) ? avctx->channel_layout : av_get_default_channel_layout(avctx->channels);
2192 wanted_channel_layout &= ~AV_CH_LAYOUT_STEREO_DOWNMIX;
2193 wanted_spec.channels = av_get_channel_layout_nb_channels(wanted_channel_layout);
2194 wanted_spec.freq = avctx->sample_rate;
2195 if (wanted_spec.freq <= 0 || wanted_spec.channels <= 0) {
2196 fprintf(stderr, "Invalid sample rate or channel count!\n");
2202 avcodec_open2(avctx, codec, &opts) < 0)
2204 if ((t = av_dict_get(opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2205 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2206 return AVERROR_OPTION_NOT_FOUND;
2209 /* prepare audio output */
2210 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO) {
2211 wanted_spec.format = AUDIO_S16SYS;
2212 wanted_spec.silence = 0;
2213 wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
2214 wanted_spec.callback = sdl_audio_callback;
2215 wanted_spec.userdata = is;
2216 if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
2217 fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
2220 is->audio_hw_buf_size = spec.size;
2221 if (spec.format != AUDIO_S16SYS) {
2222 fprintf(stderr, "SDL advised audio format %d is not supported!\n", spec.format);
2225 if (spec.channels != wanted_spec.channels) {
2226 wanted_channel_layout = av_get_default_channel_layout(spec.channels);
2227 if (!wanted_channel_layout) {
2228 fprintf(stderr, "SDL advised channel count %d is not supported!\n", spec.channels);
2232 is->audio_src_fmt = is->audio_tgt_fmt = AV_SAMPLE_FMT_S16;
2233 is->audio_src_freq = is->audio_tgt_freq = spec.freq;
2234 is->audio_src_channel_layout = is->audio_tgt_channel_layout = wanted_channel_layout;
2235 is->audio_src_channels = is->audio_tgt_channels = spec.channels;
2238 ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
2239 switch(avctx->codec_type) {
2240 case AVMEDIA_TYPE_AUDIO:
2241 is->audio_stream = stream_index;
2242 is->audio_st = ic->streams[stream_index];
2243 is->audio_buf_size = 0;
2244 is->audio_buf_index = 0;
2246 /* init averaging filter */
2247 is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
2248 is->audio_diff_avg_count = 0;
2249 /* since we do not have a precise anough audio fifo fullness,
2250 we correct audio sync only if larger than this threshold */
2251 is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / wanted_spec.freq;
2253 memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
2254 packet_queue_init(&is->audioq);
2257 case AVMEDIA_TYPE_VIDEO:
2258 is->video_stream = stream_index;
2259 is->video_st = ic->streams[stream_index];
2261 packet_queue_init(&is->videoq);
2262 is->video_tid = SDL_CreateThread(video_thread, is);
2264 case AVMEDIA_TYPE_SUBTITLE:
2265 is->subtitle_stream = stream_index;
2266 is->subtitle_st = ic->streams[stream_index];
2267 packet_queue_init(&is->subtitleq);
2269 is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
2277 static void stream_component_close(VideoState *is, int stream_index)
2279 AVFormatContext *ic = is->ic;
2280 AVCodecContext *avctx;
2282 if (stream_index < 0 || stream_index >= ic->nb_streams)
2284 avctx = ic->streams[stream_index]->codec;
2286 switch(avctx->codec_type) {
2287 case AVMEDIA_TYPE_AUDIO:
2288 packet_queue_abort(&is->audioq);
2292 packet_queue_end(&is->audioq);
2294 swr_free(&is->swr_ctx);
2295 av_free_packet(&is->audio_pkt);
2298 av_rdft_end(is->rdft);
2299 av_freep(&is->rdft_data);
2302 case AVMEDIA_TYPE_VIDEO:
2303 packet_queue_abort(&is->videoq);
2305 /* note: we also signal this mutex to make sure we deblock the
2306 video thread in all cases */
2307 SDL_LockMutex(is->pictq_mutex);
2308 SDL_CondSignal(is->pictq_cond);
2309 SDL_UnlockMutex(is->pictq_mutex);
2311 SDL_WaitThread(is->video_tid, NULL);
2313 packet_queue_end(&is->videoq);
2315 case AVMEDIA_TYPE_SUBTITLE:
2316 packet_queue_abort(&is->subtitleq);
2318 /* note: we also signal this mutex to make sure we deblock the
2319 video thread in all cases */
2320 SDL_LockMutex(is->subpq_mutex);
2321 is->subtitle_stream_changed = 1;
2323 SDL_CondSignal(is->subpq_cond);
2324 SDL_UnlockMutex(is->subpq_mutex);
2326 SDL_WaitThread(is->subtitle_tid, NULL);
2328 packet_queue_end(&is->subtitleq);
2334 ic->streams[stream_index]->discard = AVDISCARD_ALL;
2335 avcodec_close(avctx);
2336 switch(avctx->codec_type) {
2337 case AVMEDIA_TYPE_AUDIO:
2338 is->audio_st = NULL;
2339 is->audio_stream = -1;
2341 case AVMEDIA_TYPE_VIDEO:
2342 is->video_st = NULL;
2343 is->video_stream = -1;
2345 case AVMEDIA_TYPE_SUBTITLE:
2346 is->subtitle_st = NULL;
2347 is->subtitle_stream = -1;
2354 /* since we have only one decoding thread, we can use a global
2355 variable instead of a thread local variable */
2356 static VideoState *global_video_state;
2358 static int decode_interrupt_cb(void)
2360 return (global_video_state && global_video_state->abort_request);
2363 /* this thread gets the stream from the disk or the network */
2364 static int read_thread(void *arg)
2366 VideoState *is = arg;
2367 AVFormatContext *ic = NULL;
2369 int st_index[AVMEDIA_TYPE_NB];
2370 AVPacket pkt1, *pkt = &pkt1;
2372 int pkt_in_play_range = 0;
2373 AVDictionaryEntry *t;
2374 AVDictionary **opts;
2375 int orig_nb_streams;
2377 memset(st_index, -1, sizeof(st_index));
2378 is->video_stream = -1;
2379 is->audio_stream = -1;
2380 is->subtitle_stream = -1;
2382 global_video_state = is;
2383 avio_set_interrupt_cb(decode_interrupt_cb);
2385 err = avformat_open_input(&ic, is->filename, is->iformat, &format_opts);
2387 print_error(is->filename, err);
2391 if ((t = av_dict_get(format_opts, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
2392 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
2393 ret = AVERROR_OPTION_NOT_FOUND;
2399 ic->flags |= AVFMT_FLAG_GENPTS;
2401 av_dict_set(&codec_opts, "request_channels", "2", 0);
2403 opts = setup_find_stream_info_opts(ic, codec_opts);
2404 orig_nb_streams = ic->nb_streams;
2406 err = avformat_find_stream_info(ic, opts);
2408 fprintf(stderr, "%s: could not find codec parameters\n", is->filename);
2412 for (i = 0; i < orig_nb_streams; i++)
2413 av_dict_free(&opts[i]);
2417 ic->pb->eof_reached= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2420 seek_by_bytes= !!(ic->iformat->flags & AVFMT_TS_DISCONT);
2422 /* if seeking requested, we execute it */
2423 if (start_time != AV_NOPTS_VALUE) {
2426 timestamp = start_time;
2427 /* add the stream start time */
2428 if (ic->start_time != AV_NOPTS_VALUE)
2429 timestamp += ic->start_time;
2430 ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
2432 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2433 is->filename, (double)timestamp / AV_TIME_BASE);
2437 for (i = 0; i < ic->nb_streams; i++)
2438 ic->streams[i]->discard = AVDISCARD_ALL;
2440 st_index[AVMEDIA_TYPE_VIDEO] =
2441 av_find_best_stream(ic, AVMEDIA_TYPE_VIDEO,
2442 wanted_stream[AVMEDIA_TYPE_VIDEO], -1, NULL, 0);
2444 st_index[AVMEDIA_TYPE_AUDIO] =
2445 av_find_best_stream(ic, AVMEDIA_TYPE_AUDIO,
2446 wanted_stream[AVMEDIA_TYPE_AUDIO],
2447 st_index[AVMEDIA_TYPE_VIDEO],
2450 st_index[AVMEDIA_TYPE_SUBTITLE] =
2451 av_find_best_stream(ic, AVMEDIA_TYPE_SUBTITLE,
2452 wanted_stream[AVMEDIA_TYPE_SUBTITLE],
2453 (st_index[AVMEDIA_TYPE_AUDIO] >= 0 ?
2454 st_index[AVMEDIA_TYPE_AUDIO] :
2455 st_index[AVMEDIA_TYPE_VIDEO]),
2458 av_dump_format(ic, 0, is->filename, 0);
2461 is->show_mode = show_mode;
2463 /* open the streams */
2464 if (st_index[AVMEDIA_TYPE_AUDIO] >= 0) {
2465 stream_component_open(is, st_index[AVMEDIA_TYPE_AUDIO]);
2469 if (st_index[AVMEDIA_TYPE_VIDEO] >= 0) {
2470 ret= stream_component_open(is, st_index[AVMEDIA_TYPE_VIDEO]);
2472 is->refresh_tid = SDL_CreateThread(refresh_thread, is);
2473 if (is->show_mode == SHOW_MODE_NONE)
2474 is->show_mode = ret >= 0 ? SHOW_MODE_VIDEO : SHOW_MODE_RDFT;
2476 if (st_index[AVMEDIA_TYPE_SUBTITLE] >= 0) {
2477 stream_component_open(is, st_index[AVMEDIA_TYPE_SUBTITLE]);
2480 if (is->video_stream < 0 && is->audio_stream < 0) {
2481 fprintf(stderr, "%s: could not open codecs\n", is->filename);
2487 if (is->abort_request)
2489 if (is->paused != is->last_paused) {
2490 is->last_paused = is->paused;
2492 is->read_pause_return= av_read_pause(ic);
2496 #if CONFIG_RTSP_DEMUXER
2497 if (is->paused && !strcmp(ic->iformat->name, "rtsp")) {
2498 /* wait 10 ms to avoid trying to get another packet */
2505 int64_t seek_target= is->seek_pos;
2506 int64_t seek_min= is->seek_rel > 0 ? seek_target - is->seek_rel + 2: INT64_MIN;
2507 int64_t seek_max= is->seek_rel < 0 ? seek_target - is->seek_rel - 2: INT64_MAX;
2508 //FIXME the +-2 is due to rounding being not done in the correct direction in generation
2509 // of the seek_pos/seek_rel variables
2511 ret = avformat_seek_file(is->ic, -1, seek_min, seek_target, seek_max, is->seek_flags);
2513 fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
2515 if (is->audio_stream >= 0) {
2516 packet_queue_flush(&is->audioq);
2517 packet_queue_put(&is->audioq, &flush_pkt);
2519 if (is->subtitle_stream >= 0) {
2520 packet_queue_flush(&is->subtitleq);
2521 packet_queue_put(&is->subtitleq, &flush_pkt);
2523 if (is->video_stream >= 0) {
2524 packet_queue_flush(&is->videoq);
2525 packet_queue_put(&is->videoq, &flush_pkt);
2532 /* if the queue are full, no need to read more */
2533 if ( is->audioq.size + is->videoq.size + is->subtitleq.size > MAX_QUEUE_SIZE
2534 || ( (is->audioq .size > MIN_AUDIOQ_SIZE || is->audio_stream<0)
2535 && (is->videoq .nb_packets > MIN_FRAMES || is->video_stream<0)
2536 && (is->subtitleq.nb_packets > MIN_FRAMES || is->subtitle_stream<0))) {
2542 if(is->video_stream >= 0){
2543 av_init_packet(pkt);
2546 pkt->stream_index= is->video_stream;
2547 packet_queue_put(&is->videoq, pkt);
2549 if (is->audio_stream >= 0 &&
2550 is->audio_st->codec->codec->capabilities & CODEC_CAP_DELAY) {
2551 av_init_packet(pkt);
2554 pkt->stream_index = is->audio_stream;
2555 packet_queue_put(&is->audioq, pkt);
2558 if(is->audioq.size + is->videoq.size + is->subtitleq.size ==0){
2559 if(loop!=1 && (!loop || --loop)){
2560 stream_seek(is, start_time != AV_NOPTS_VALUE ? start_time : 0, 0, 0);
2569 ret = av_read_frame(ic, pkt);
2571 if (ret == AVERROR_EOF || url_feof(ic->pb))
2573 if (ic->pb && ic->pb->error)
2575 SDL_Delay(100); /* wait for user event */
2578 /* check if packet is in play range specified by user, then queue, otherwise discard */
2579 pkt_in_play_range = duration == AV_NOPTS_VALUE ||
2580 (pkt->pts - ic->streams[pkt->stream_index]->start_time) *
2581 av_q2d(ic->streams[pkt->stream_index]->time_base) -
2582 (double)(start_time != AV_NOPTS_VALUE ? start_time : 0)/1000000
2583 <= ((double)duration/1000000);
2584 if (pkt->stream_index == is->audio_stream && pkt_in_play_range) {
2585 packet_queue_put(&is->audioq, pkt);
2586 } else if (pkt->stream_index == is->video_stream && pkt_in_play_range) {
2587 packet_queue_put(&is->videoq, pkt);
2588 } else if (pkt->stream_index == is->subtitle_stream && pkt_in_play_range) {
2589 packet_queue_put(&is->subtitleq, pkt);
2591 av_free_packet(pkt);
2594 /* wait until the end */
2595 while (!is->abort_request) {
2601 /* disable interrupting */
2602 global_video_state = NULL;
2604 /* close each stream */
2605 if (is->audio_stream >= 0)
2606 stream_component_close(is, is->audio_stream);
2607 if (is->video_stream >= 0)
2608 stream_component_close(is, is->video_stream);
2609 if (is->subtitle_stream >= 0)
2610 stream_component_close(is, is->subtitle_stream);
2612 av_close_input_file(is->ic);
2613 is->ic = NULL; /* safety */
2615 avio_set_interrupt_cb(NULL);
2620 event.type = FF_QUIT_EVENT;
2621 event.user.data1 = is;
2622 SDL_PushEvent(&event);
2627 static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
2631 is = av_mallocz(sizeof(VideoState));
2634 av_strlcpy(is->filename, filename, sizeof(is->filename));
2635 is->iformat = iformat;
2639 /* start video display */
2640 is->pictq_mutex = SDL_CreateMutex();
2641 is->pictq_cond = SDL_CreateCond();
2643 is->subpq_mutex = SDL_CreateMutex();
2644 is->subpq_cond = SDL_CreateCond();
2646 is->av_sync_type = av_sync_type;
2647 is->read_tid = SDL_CreateThread(read_thread, is);
2648 if (!is->read_tid) {
2655 static void stream_cycle_channel(VideoState *is, int codec_type)
2657 AVFormatContext *ic = is->ic;
2658 int start_index, stream_index;
2661 if (codec_type == AVMEDIA_TYPE_VIDEO)
2662 start_index = is->video_stream;
2663 else if (codec_type == AVMEDIA_TYPE_AUDIO)
2664 start_index = is->audio_stream;
2666 start_index = is->subtitle_stream;
2667 if (start_index < (codec_type == AVMEDIA_TYPE_SUBTITLE ? -1 : 0))
2669 stream_index = start_index;
2671 if (++stream_index >= is->ic->nb_streams)
2673 if (codec_type == AVMEDIA_TYPE_SUBTITLE)
2680 if (stream_index == start_index)
2682 st = ic->streams[stream_index];
2683 if (st->codec->codec_type == codec_type) {
2684 /* check that parameters are OK */
2685 switch(codec_type) {
2686 case AVMEDIA_TYPE_AUDIO:
2687 if (st->codec->sample_rate != 0 &&
2688 st->codec->channels != 0)
2691 case AVMEDIA_TYPE_VIDEO:
2692 case AVMEDIA_TYPE_SUBTITLE:
2700 stream_component_close(is, start_index);
2701 stream_component_open(is, stream_index);
2705 static void toggle_full_screen(VideoState *is)
2707 is_full_screen = !is_full_screen;
2708 #if defined(__APPLE__) && SDL_VERSION_ATLEAST(1, 2, 14)
2709 /* OSX needs to reallocate the SDL overlays */
2710 for (int i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
2711 is->pictq[i].reallocate = 1;
2717 static void toggle_pause(VideoState *is)
2719 stream_toggle_pause(is);
2723 static void step_to_next_frame(VideoState *is)
2725 /* if the stream is paused unpause it, then step */
2727 stream_toggle_pause(is);
2731 static void toggle_audio_display(VideoState *is)
2733 int bgcolor = SDL_MapRGB(screen->format, 0x00, 0x00, 0x00);
2734 is->show_mode = (is->show_mode + 1) % SHOW_MODE_NB;
2735 fill_rectangle(screen,
2736 is->xleft, is->ytop, is->width, is->height,
2738 SDL_UpdateRect(screen, is->xleft, is->ytop, is->width, is->height);
2741 /* handle an event sent by the GUI */
2742 static void event_loop(VideoState *cur_stream)
2745 double incr, pos, frac;
2749 SDL_WaitEvent(&event);
2750 switch(event.type) {
2752 if (exit_on_keydown) {
2753 do_exit(cur_stream);
2756 switch(event.key.keysym.sym) {
2759 do_exit(cur_stream);
2762 toggle_full_screen(cur_stream);
2766 toggle_pause(cur_stream);
2768 case SDLK_s: //S: Step to next frame
2769 step_to_next_frame(cur_stream);
2772 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_AUDIO);
2775 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_VIDEO);
2778 stream_cycle_channel(cur_stream, AVMEDIA_TYPE_SUBTITLE);
2781 toggle_audio_display(cur_stream);
2795 if (seek_by_bytes) {
2796 if (cur_stream->video_stream >= 0 && cur_stream->video_current_pos>=0){
2797 pos= cur_stream->video_current_pos;
2798 }else if(cur_stream->audio_stream >= 0 && cur_stream->audio_pkt.pos>=0){
2799 pos= cur_stream->audio_pkt.pos;
2801 pos = avio_tell(cur_stream->ic->pb);
2802 if (cur_stream->ic->bit_rate)
2803 incr *= cur_stream->ic->bit_rate / 8.0;
2807 stream_seek(cur_stream, pos, incr, 1);
2809 pos = get_master_clock(cur_stream);
2811 stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
2818 case SDL_MOUSEBUTTONDOWN:
2819 if (exit_on_mousedown) {
2820 do_exit(cur_stream);
2823 case SDL_MOUSEMOTION:
2824 if(event.type ==SDL_MOUSEBUTTONDOWN){
2827 if(event.motion.state != SDL_PRESSED)
2831 if(seek_by_bytes || cur_stream->ic->duration<=0){
2832 uint64_t size= avio_size(cur_stream->ic->pb);
2833 stream_seek(cur_stream, size*x/cur_stream->width, 0, 1);
2837 int tns, thh, tmm, tss;
2838 tns = cur_stream->ic->duration/1000000LL;
2840 tmm = (tns%3600)/60;
2842 frac = x/cur_stream->width;
2847 fprintf(stderr, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac*100,
2848 hh, mm, ss, thh, tmm, tss);
2849 ts = frac*cur_stream->ic->duration;
2850 if (cur_stream->ic->start_time != AV_NOPTS_VALUE)
2851 ts += cur_stream->ic->start_time;
2852 stream_seek(cur_stream, ts, 0, 0);
2855 case SDL_VIDEORESIZE:
2856 screen = SDL_SetVideoMode(event.resize.w, event.resize.h, 0,
2857 SDL_HWSURFACE|SDL_RESIZABLE|SDL_ASYNCBLIT|SDL_HWACCEL);
2858 screen_width = cur_stream->width = event.resize.w;
2859 screen_height= cur_stream->height= event.resize.h;
2863 do_exit(cur_stream);
2865 case FF_ALLOC_EVENT:
2866 video_open(event.user.data1);
2867 alloc_picture(event.user.data1);
2869 case FF_REFRESH_EVENT:
2870 video_refresh(event.user.data1);
2871 cur_stream->refresh=0;
2879 static int opt_frame_size(const char *opt, const char *arg)
2881 av_log(NULL, AV_LOG_WARNING, "Option -s is deprecated, use -video_size.\n");
2882 return opt_default("video_size", arg);
2885 static int opt_width(const char *opt, const char *arg)
2887 screen_width = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2891 static int opt_height(const char *opt, const char *arg)
2893 screen_height = parse_number_or_die(opt, arg, OPT_INT64, 1, INT_MAX);
2897 static int opt_format(const char *opt, const char *arg)
2899 file_iformat = av_find_input_format(arg);
2900 if (!file_iformat) {
2901 fprintf(stderr, "Unknown input format: %s\n", arg);
2902 return AVERROR(EINVAL);
2907 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2909 av_log(NULL, AV_LOG_WARNING, "Option -pix_fmt is deprecated, use -pixel_format.\n");
2910 return opt_default("pixel_format", arg);
2913 static int opt_sync(const char *opt, const char *arg)
2915 if (!strcmp(arg, "audio"))
2916 av_sync_type = AV_SYNC_AUDIO_MASTER;
2917 else if (!strcmp(arg, "video"))
2918 av_sync_type = AV_SYNC_VIDEO_MASTER;
2919 else if (!strcmp(arg, "ext"))
2920 av_sync_type = AV_SYNC_EXTERNAL_CLOCK;
2922 fprintf(stderr, "Unknown value for %s: %s\n", opt, arg);
2928 static int opt_seek(const char *opt, const char *arg)
2930 start_time = parse_time_or_die(opt, arg, 1);
2934 static int opt_duration(const char *opt, const char *arg)
2936 duration = parse_time_or_die(opt, arg, 1);
2940 static int opt_show_mode(const char *opt, const char *arg)
2942 show_mode = !strcmp(arg, "video") ? SHOW_MODE_VIDEO :
2943 !strcmp(arg, "waves") ? SHOW_MODE_WAVES :
2944 !strcmp(arg, "rdft" ) ? SHOW_MODE_RDFT :
2945 parse_number_or_die(opt, arg, OPT_INT, 0, SHOW_MODE_NB-1);
2949 static void opt_input_file(void *optctx, const char *filename)
2951 if (input_filename) {
2952 fprintf(stderr, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
2953 filename, input_filename);
2956 if (!strcmp(filename, "-"))
2958 input_filename = filename;
2961 static int opt_codec(void *o, const char *opt, const char *arg)
2963 switch(opt[strlen(opt)-1]){
2964 case 'a' : audio_codec_name = arg; break;
2965 case 's' : subtitle_codec_name = arg; break;
2966 case 'v' : video_codec_name = arg; break;
2973 static const OptionDef options[] = {
2974 #include "cmdutils_common_opts.h"
2975 { "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
2976 { "y", HAS_ARG, {(void*)opt_height}, "force displayed height", "height" },
2977 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2978 { "fs", OPT_BOOL, {(void*)&is_full_screen}, "force full screen" },
2979 { "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
2980 { "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
2981 { "ast", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_AUDIO]}, "select desired audio stream", "stream_number" },
2982 { "vst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_VIDEO]}, "select desired video stream", "stream_number" },
2983 { "sst", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&wanted_stream[AVMEDIA_TYPE_SUBTITLE]}, "select desired subtitle stream", "stream_number" },
2984 { "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
2985 { "t", HAS_ARG, {(void*)&opt_duration}, "play \"duration\" seconds of audio/video", "duration" },
2986 { "bytes", OPT_INT | HAS_ARG, {(void*)&seek_by_bytes}, "seek by bytes 0=off 1=on -1=auto", "val" },
2987 { "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
2988 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2989 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2990 { "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
2991 { "bug", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&workaround_bugs}, "workaround bugs", "" },
2992 { "fast", OPT_BOOL | OPT_EXPERT, {(void*)&fast}, "non spec compliant optimizations", "" },
2993 { "genpts", OPT_BOOL | OPT_EXPERT, {(void*)&genpts}, "generate pts", "" },
2994 { "drp", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&decoder_reorder_pts}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
2995 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&lowres}, "", "" },
2996 { "skiploop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_loop_filter}, "", "" },
2997 { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_frame}, "", "" },
2998 { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&skip_idct}, "", "" },
2999 { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&idct}, "set idct algo", "algo" },
3000 { "er", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_recognition}, "set error detection threshold (0-4)", "threshold" },
3001 { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&error_concealment}, "set error concealment options", "bit_mask" },
3002 { "sync", HAS_ARG | OPT_EXPERT, {(void*)opt_sync}, "set audio-video sync. type (type=audio/video/ext)", "type" },
3003 { "autoexit", OPT_BOOL | OPT_EXPERT, {(void*)&autoexit}, "exit at the end", "" },
3004 { "exitonkeydown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_keydown}, "exit on key down", "" },
3005 { "exitonmousedown", OPT_BOOL | OPT_EXPERT, {(void*)&exit_on_mousedown}, "exit on mouse down", "" },
3006 { "loop", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&loop}, "set number of times the playback shall be looped", "loop count" },
3007 { "framedrop", OPT_BOOL | OPT_EXPERT, {(void*)&framedrop}, "drop frames when cpu is too slow", "" },
3008 { "window_title", OPT_STRING | HAS_ARG, {(void*)&window_title}, "set window title", "window title" },
3010 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
3012 { "rdftspeed", OPT_INT | HAS_ARG| OPT_AUDIO | OPT_EXPERT, {(void*)&rdftspeed}, "rdft speed", "msecs" },
3013 { "showmode", HAS_ARG, {(void*)opt_show_mode}, "select show mode (0 = video, 1 = waves, 2 = RDFT)", "mode" },
3014 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3015 { "i", OPT_BOOL, {(void *)&dummy}, "read specified file", "input_file"},
3016 { "codec", HAS_ARG | OPT_FUNC2, {(void*)opt_codec}, "force decoder", "decoder" },
3020 static void show_usage(void)
3022 printf("Simple media player\n");
3023 printf("usage: %s [options] input_file\n", program_name);
3027 static int opt_help(const char *opt, const char *arg)
3029 av_log_set_callback(log_callback_help);
3031 show_help_options(options, "Main options:\n",
3033 show_help_options(options, "\nAdvanced options:\n",
3034 OPT_EXPERT, OPT_EXPERT);
3036 show_help_children(avcodec_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3037 show_help_children(avformat_get_class(), AV_OPT_FLAG_DECODING_PARAM);
3038 #if !CONFIG_AVFILTER
3039 show_help_children(sws_get_class(), AV_OPT_FLAG_ENCODING_PARAM);
3041 printf("\nWhile playing:\n"
3043 "f toggle full screen\n"
3045 "a cycle audio channel\n"
3046 "v cycle video channel\n"
3047 "t cycle subtitle channel\n"
3048 "w show audio waves\n"
3049 "s activate frame-step mode\n"
3050 "left/right seek backward/forward 10 seconds\n"
3051 "down/up seek backward/forward 1 minute\n"
3052 "mouse click seek to percentage in file corresponding to fraction of width\n"
3057 static int lockmgr(void **mtx, enum AVLockOp op)
3060 case AV_LOCK_CREATE:
3061 *mtx = SDL_CreateMutex();
3065 case AV_LOCK_OBTAIN:
3066 return !!SDL_LockMutex(*mtx);
3067 case AV_LOCK_RELEASE:
3068 return !!SDL_UnlockMutex(*mtx);
3069 case AV_LOCK_DESTROY:
3070 SDL_DestroyMutex(*mtx);
3076 /* Called from the main */
3077 int main(int argc, char **argv)
3082 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3083 parse_loglevel(argc, argv, options);
3085 /* register all codecs, demux and protocols */
3086 avcodec_register_all();
3088 avdevice_register_all();
3091 avfilter_register_all();
3099 parse_options(NULL, argc, argv, options, opt_input_file);
3101 if (!input_filename) {
3103 fprintf(stderr, "An input file must be specified\n");
3104 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3108 if (display_disable) {
3111 flags = SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_TIMER;
3113 flags &= ~SDL_INIT_AUDIO;
3114 #if !defined(__MINGW32__) && !defined(__APPLE__)
3115 flags |= SDL_INIT_EVENTTHREAD; /* Not supported on Windows or Mac OS X */
3117 if (SDL_Init (flags)) {
3118 fprintf(stderr, "Could not initialize SDL - %s\n", SDL_GetError());
3119 fprintf(stderr, "(Did you set the DISPLAY variable?)\n");
3123 if (!display_disable) {
3124 #if HAVE_SDL_VIDEO_SIZE
3125 const SDL_VideoInfo *vi = SDL_GetVideoInfo();
3126 fs_screen_width = vi->current_w;
3127 fs_screen_height = vi->current_h;
3131 SDL_EventState(SDL_ACTIVEEVENT, SDL_IGNORE);
3132 SDL_EventState(SDL_SYSWMEVENT, SDL_IGNORE);
3133 SDL_EventState(SDL_USEREVENT, SDL_IGNORE);
3135 if (av_lockmgr_register(lockmgr)) {
3136 fprintf(stderr, "Could not initialize lock manager!\n");
3140 av_init_packet(&flush_pkt);
3141 flush_pkt.data= "FLUSH";
3143 is = stream_open(input_filename, file_iformat);
3145 fprintf(stderr, "Failed to initialize VideoState!\n");