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
33 #include <SDL_thread.h>
36 #undef main /* We don't want SDL to override our main() */
41 static const char program_name
[] = "FFplay";
42 static const int program_birth_year
= 2003;
46 #define MAX_VIDEOQ_SIZE (5 * 256 * 1024)
47 #define MAX_AUDIOQ_SIZE (5 * 16 * 1024)
48 #define MAX_SUBTITLEQ_SIZE (5 * 16 * 1024)
50 /* SDL audio buffer size, in samples. Should be small to have precise
51 A/V sync as SDL does not have hardware buffer fullness info. */
52 #define SDL_AUDIO_BUFFER_SIZE 1024
54 /* no AV sync correction is done if below the AV sync threshold */
55 #define AV_SYNC_THRESHOLD 0.01
56 /* no AV correction is done if too big error */
57 #define AV_NOSYNC_THRESHOLD 10.0
59 /* maximum audio speed change to get correct sync */
60 #define SAMPLE_CORRECTION_PERCENT_MAX 10
62 /* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
63 #define AUDIO_DIFF_AVG_NB 20
65 /* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
66 #define SAMPLE_ARRAY_SIZE (2*65536)
68 static int sws_flags
= SWS_BICUBIC
;
70 typedef struct PacketQueue
{
71 AVPacketList
*first_pkt
, *last_pkt
;
79 #define VIDEO_PICTURE_QUEUE_SIZE 1
80 #define SUBPICTURE_QUEUE_SIZE 4
82 typedef struct VideoPicture
{
83 double pts
; ///<presentation time stamp for this picture
85 int width
, height
; /* source height & width */
89 typedef struct SubPicture
{
90 double pts
; /* presentation time stamp for this picture */
95 AV_SYNC_AUDIO_MASTER
, /* default choice */
97 AV_SYNC_EXTERNAL_CLOCK
, /* synchronize to an external clock */
100 typedef struct VideoState
{
101 SDL_Thread
*parse_tid
;
102 SDL_Thread
*video_tid
;
103 AVInputFormat
*iformat
;
112 int dtg_active_format
;
117 double external_clock
; /* external clock base */
118 int64_t external_clock_time
;
121 double audio_diff_cum
; /* used for AV difference average computation */
122 double audio_diff_avg_coef
;
123 double audio_diff_threshold
;
124 int audio_diff_avg_count
;
127 int audio_hw_buf_size
;
128 /* samples output by the codec. we reserve more space for avsync
130 DECLARE_ALIGNED(16,uint8_t,audio_buf
[(AVCODEC_MAX_AUDIO_FRAME_SIZE
* 3) / 2]);
131 unsigned int audio_buf_size
; /* in bytes */
132 int audio_buf_index
; /* in bytes */
134 uint8_t *audio_pkt_data
;
137 int show_audio
; /* if true, display audio samples */
138 int16_t sample_array
[SAMPLE_ARRAY_SIZE
];
139 int sample_array_index
;
142 SDL_Thread
*subtitle_tid
;
144 int subtitle_stream_changed
;
145 AVStream
*subtitle_st
;
146 PacketQueue subtitleq
;
147 SubPicture subpq
[SUBPICTURE_QUEUE_SIZE
];
148 int subpq_size
, subpq_rindex
, subpq_windex
;
149 SDL_mutex
*subpq_mutex
;
150 SDL_cond
*subpq_cond
;
153 double frame_last_pts
;
154 double frame_last_delay
;
155 double video_clock
; ///<pts of last decoded frame / predicted pts of next decoded frame
159 double video_current_pts
; ///<current displayed pts (different from video_clock if frame fifos are used)
160 int64_t video_current_pts_time
; ///<time (av_gettime) at which we updated video_current_pts - used to have running video pts
161 VideoPicture pictq
[VIDEO_PICTURE_QUEUE_SIZE
];
162 int pictq_size
, pictq_rindex
, pictq_windex
;
163 SDL_mutex
*pictq_mutex
;
164 SDL_cond
*pictq_cond
;
166 // QETimer *video_timer;
168 int width
, height
, xleft
, ytop
;
171 void show_help(void);
172 static int audio_write_get_buf_size(VideoState
*is
);
174 /* options specified by the user */
175 static AVInputFormat
*file_iformat
;
176 static const char *input_filename
;
177 static int fs_screen_width
;
178 static int fs_screen_height
;
179 static int screen_width
= 0;
180 static int screen_height
= 0;
181 static int frame_width
= 0;
182 static int frame_height
= 0;
183 static enum PixelFormat frame_pix_fmt
= PIX_FMT_NONE
;
184 static int audio_disable
;
185 static int video_disable
;
186 static int wanted_audio_stream
= 0;
187 static int wanted_video_stream
= 0;
188 static int seek_by_bytes
;
189 static int display_disable
;
190 static int show_status
;
191 static int av_sync_type
= AV_SYNC_AUDIO_MASTER
;
192 static int64_t start_time
= AV_NOPTS_VALUE
;
193 static int debug
= 0;
194 static int debug_mv
= 0;
196 static int thread_count
= 1;
197 static int workaround_bugs
= 1;
199 static int genpts
= 0;
200 static int lowres
= 0;
201 static int idct
= FF_IDCT_AUTO
;
202 static enum AVDiscard skip_frame
= AVDISCARD_DEFAULT
;
203 static enum AVDiscard skip_idct
= AVDISCARD_DEFAULT
;
204 static enum AVDiscard skip_loop_filter
= AVDISCARD_DEFAULT
;
205 static int error_resilience
= FF_ER_CAREFUL
;
206 static int error_concealment
= 3;
207 static int decoder_reorder_pts
= 0;
209 /* current context */
210 static int is_full_screen
;
211 static VideoState
*cur_stream
;
212 static int64_t audio_callback_time
;
216 #define FF_ALLOC_EVENT (SDL_USEREVENT)
217 #define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
218 #define FF_QUIT_EVENT (SDL_USEREVENT + 2)
222 /* packet queue handling */
223 static void packet_queue_init(PacketQueue
*q
)
225 memset(q
, 0, sizeof(PacketQueue
));
226 q
->mutex
= SDL_CreateMutex();
227 q
->cond
= SDL_CreateCond();
230 static void packet_queue_flush(PacketQueue
*q
)
232 AVPacketList
*pkt
, *pkt1
;
234 SDL_LockMutex(q
->mutex
);
235 for(pkt
= q
->first_pkt
; pkt
!= NULL
; pkt
= pkt1
) {
237 av_free_packet(&pkt
->pkt
);
244 SDL_UnlockMutex(q
->mutex
);
247 static void packet_queue_end(PacketQueue
*q
)
249 packet_queue_flush(q
);
250 SDL_DestroyMutex(q
->mutex
);
251 SDL_DestroyCond(q
->cond
);
254 static int packet_queue_put(PacketQueue
*q
, AVPacket
*pkt
)
258 /* duplicate the packet */
259 if (pkt
!=&flush_pkt
&& av_dup_packet(pkt
) < 0)
262 pkt1
= av_malloc(sizeof(AVPacketList
));
269 SDL_LockMutex(q
->mutex
);
275 q
->last_pkt
->next
= pkt1
;
278 q
->size
+= pkt1
->pkt
.size
;
279 /* XXX: should duplicate packet data in DV case */
280 SDL_CondSignal(q
->cond
);
282 SDL_UnlockMutex(q
->mutex
);
286 static void packet_queue_abort(PacketQueue
*q
)
288 SDL_LockMutex(q
->mutex
);
290 q
->abort_request
= 1;
292 SDL_CondSignal(q
->cond
);
294 SDL_UnlockMutex(q
->mutex
);
297 /* return < 0 if aborted, 0 if no packet and > 0 if packet. */
298 static int packet_queue_get(PacketQueue
*q
, AVPacket
*pkt
, int block
)
303 SDL_LockMutex(q
->mutex
);
306 if (q
->abort_request
) {
313 q
->first_pkt
= pkt1
->next
;
317 q
->size
-= pkt1
->pkt
.size
;
326 SDL_CondWait(q
->cond
, q
->mutex
);
329 SDL_UnlockMutex(q
->mutex
);
333 static inline void fill_rectangle(SDL_Surface
*screen
,
334 int x
, int y
, int w
, int h
, int color
)
341 SDL_FillRect(screen
, &rect
, color
);
345 /* draw only the border of a rectangle */
346 void fill_border(VideoState
*s
, int x
, int y
, int w
, int h
, int color
)
350 /* fill the background */
354 w2
= s
->width
- (x
+ w
);
360 h2
= s
->height
- (y
+ h
);
363 fill_rectangle(screen
,
367 fill_rectangle(screen
,
368 s
->xleft
+ s
->width
- w2
, s
->ytop
,
371 fill_rectangle(screen
,
372 s
->xleft
+ w1
, s
->ytop
,
373 s
->width
- w1
- w2
, h1
,
375 fill_rectangle(screen
,
376 s
->xleft
+ w1
, s
->ytop
+ s
->height
- h2
,
377 s
->width
- w1
- w2
, h2
,
385 #define ONE_HALF (1 << (SCALEBITS - 1))
386 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
388 #define RGB_TO_Y_CCIR(r, g, b) \
389 ((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \
390 FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
392 #define RGB_TO_U_CCIR(r1, g1, b1, shift)\
393 (((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \
394 FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
396 #define RGB_TO_V_CCIR(r1, g1, b1, shift)\
397 (((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
398 FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
400 #define ALPHA_BLEND(a, oldp, newp, s)\
401 ((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
403 #define RGBA_IN(r, g, b, a, s)\
405 unsigned int v = ((const uint32_t *)(s))[0];\
406 a = (v >> 24) & 0xff;\
407 r = (v >> 16) & 0xff;\
408 g = (v >> 8) & 0xff;\
412 #define YUVA_IN(y, u, v, a, s, pal)\
414 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
415 a = (val >> 24) & 0xff;\
416 y = (val >> 16) & 0xff;\
417 u = (val >> 8) & 0xff;\
421 #define YUVA_OUT(d, y, u, v, a)\
423 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
429 static void blend_subrect(AVPicture
*dst
, const AVSubtitleRect
*rect
, int imgw
, int imgh
)
431 int wrap
, wrap3
, width2
, skip2
;
432 int y
, u
, v
, a
, u1
, v1
, a1
, w
, h
;
433 uint8_t *lum
, *cb
, *cr
;
436 int dstx
, dsty
, dstw
, dsth
;
438 dstx
= FFMIN(FFMAX(rect
->x
, 0), imgw
);
439 dstw
= FFMIN(FFMAX(rect
->w
, 0), imgw
- dstx
);
440 dsty
= FFMIN(FFMAX(rect
->y
, 0), imgh
);
441 dsth
= FFMIN(FFMAX(rect
->h
, 0), imgh
- dsty
);
442 lum
= dst
->data
[0] + dsty
* dst
->linesize
[0];
443 cb
= dst
->data
[1] + (dsty
>> 1) * dst
->linesize
[1];
444 cr
= dst
->data
[2] + (dsty
>> 1) * dst
->linesize
[2];
446 width2
= (dstw
+ 1) >> 1;
448 wrap
= dst
->linesize
[0];
449 wrap3
= rect
->linesize
;
451 pal
= rect
->rgba_palette
; /* Now in YCrCb! */
459 YUVA_IN(y
, u
, v
, a
, p
, pal
);
460 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
461 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
462 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
468 for(w
= dstw
- (dstx
& 1); w
>= 2; w
-= 2) {
469 YUVA_IN(y
, u
, v
, a
, p
, pal
);
473 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
475 YUVA_IN(y
, u
, v
, a
, p
+ BPP
, pal
);
479 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
480 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
481 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
488 YUVA_IN(y
, u
, v
, a
, p
, pal
);
489 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
490 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
491 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
493 p
+= wrap3
+ (wrap3
- dstw
* BPP
);
494 lum
+= wrap
+ (wrap
- dstw
- dstx
);
495 cb
+= dst
->linesize
[1] - width2
- skip2
;
496 cr
+= dst
->linesize
[2] - width2
- skip2
;
498 for(h
= dsth
- (dsty
& 1); h
>= 2; h
-= 2) {
504 YUVA_IN(y
, u
, v
, a
, p
, pal
);
508 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
511 YUVA_IN(y
, u
, v
, a
, p
, pal
);
515 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
516 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
517 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
523 for(w
= dstw
- (dstx
& 1); w
>= 2; w
-= 2) {
524 YUVA_IN(y
, u
, v
, a
, p
, pal
);
528 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
530 YUVA_IN(y
, u
, v
, a
, p
, pal
);
534 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
538 YUVA_IN(y
, u
, v
, a
, p
, pal
);
542 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
544 YUVA_IN(y
, u
, v
, a
, p
, pal
);
548 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
550 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 2);
551 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 2);
555 p
+= -wrap3
+ 2 * BPP
;
559 YUVA_IN(y
, u
, v
, a
, p
, pal
);
563 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
566 YUVA_IN(y
, u
, v
, a
, p
, pal
);
570 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
571 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
572 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
578 p
+= wrap3
+ (wrap3
- dstw
* BPP
);
579 lum
+= wrap
+ (wrap
- dstw
- dstx
);
580 cb
+= dst
->linesize
[1] - width2
- skip2
;
581 cr
+= dst
->linesize
[2] - width2
- skip2
;
583 /* handle odd height */
590 YUVA_IN(y
, u
, v
, a
, p
, pal
);
591 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
592 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
593 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
599 for(w
= dstw
- (dstx
& 1); w
>= 2; w
-= 2) {
600 YUVA_IN(y
, u
, v
, a
, p
, pal
);
604 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
606 YUVA_IN(y
, u
, v
, a
, p
+ BPP
, pal
);
610 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
611 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u
, 1);
612 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v
, 1);
619 YUVA_IN(y
, u
, v
, a
, p
, pal
);
620 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
621 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
622 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
627 static void free_subpicture(SubPicture
*sp
)
631 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
633 av_free(sp
->sub
.rects
[i
].bitmap
);
634 av_free(sp
->sub
.rects
[i
].rgba_palette
);
637 av_free(sp
->sub
.rects
);
639 memset(&sp
->sub
, 0, sizeof(AVSubtitle
));
642 static void video_image_display(VideoState
*is
)
648 int width
, height
, x
, y
;
652 vp
= &is
->pictq
[is
->pictq_rindex
];
654 /* XXX: use variable in the frame */
655 if (is
->video_st
->codec
->sample_aspect_ratio
.num
== 0)
658 aspect_ratio
= av_q2d(is
->video_st
->codec
->sample_aspect_ratio
)
659 * is
->video_st
->codec
->width
/ is
->video_st
->codec
->height
;;
660 if (aspect_ratio
<= 0.0)
661 aspect_ratio
= (float)is
->video_st
->codec
->width
/
662 (float)is
->video_st
->codec
->height
;
663 /* if an active format is indicated, then it overrides the
666 if (is
->video_st
->codec
->dtg_active_format
!= is
->dtg_active_format
) {
667 is
->dtg_active_format
= is
->video_st
->codec
->dtg_active_format
;
668 printf("dtg_active_format=%d\n", is
->dtg_active_format
);
672 switch(is
->video_st
->codec
->dtg_active_format
) {
673 case FF_DTG_AFD_SAME
:
678 aspect_ratio
= 4.0 / 3.0;
680 case FF_DTG_AFD_16_9
:
681 aspect_ratio
= 16.0 / 9.0;
683 case FF_DTG_AFD_14_9
:
684 aspect_ratio
= 14.0 / 9.0;
686 case FF_DTG_AFD_4_3_SP_14_9
:
687 aspect_ratio
= 14.0 / 9.0;
689 case FF_DTG_AFD_16_9_SP_14_9
:
690 aspect_ratio
= 14.0 / 9.0;
692 case FF_DTG_AFD_SP_4_3
:
693 aspect_ratio
= 4.0 / 3.0;
700 if (is
->subpq_size
> 0)
702 sp
= &is
->subpq
[is
->subpq_rindex
];
704 if (vp
->pts
>= sp
->pts
+ ((float) sp
->sub
.start_display_time
/ 1000))
706 SDL_LockYUVOverlay (vp
->bmp
);
708 pict
.data
[0] = vp
->bmp
->pixels
[0];
709 pict
.data
[1] = vp
->bmp
->pixels
[2];
710 pict
.data
[2] = vp
->bmp
->pixels
[1];
712 pict
.linesize
[0] = vp
->bmp
->pitches
[0];
713 pict
.linesize
[1] = vp
->bmp
->pitches
[2];
714 pict
.linesize
[2] = vp
->bmp
->pitches
[1];
716 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
717 blend_subrect(&pict
, &sp
->sub
.rects
[i
],
718 vp
->bmp
->w
, vp
->bmp
->h
);
720 SDL_UnlockYUVOverlay (vp
->bmp
);
726 /* XXX: we suppose the screen has a 1.0 pixel ratio */
728 width
= ((int)rint(height
* aspect_ratio
)) & -3;
729 if (width
> is
->width
) {
731 height
= ((int)rint(width
/ aspect_ratio
)) & -3;
733 x
= (is
->width
- width
) / 2;
734 y
= (is
->height
- height
) / 2;
735 if (!is
->no_background
) {
736 /* fill the background */
737 // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
739 is
->no_background
= 0;
741 rect
.x
= is
->xleft
+ x
;
742 rect
.y
= is
->ytop
+ y
;
745 SDL_DisplayYUVOverlay(vp
->bmp
, &rect
);
748 fill_rectangle(screen
,
749 is
->xleft
, is
->ytop
, is
->width
, is
->height
,
750 QERGB(0x00, 0x00, 0x00));
755 static inline int compute_mod(int a
, int b
)
764 static void video_audio_display(VideoState
*s
)
766 int i
, i_start
, x
, y1
, y
, ys
, delay
, n
, nb_display_channels
;
767 int ch
, channels
, h
, h2
, bgcolor
, fgcolor
;
770 /* compute display index : center on currently output samples */
771 channels
= s
->audio_st
->codec
->channels
;
772 nb_display_channels
= channels
;
775 delay
= audio_write_get_buf_size(s
);
778 /* to be more precise, we take into account the time spent since
779 the last buffer computation */
780 if (audio_callback_time
) {
781 time_diff
= av_gettime() - audio_callback_time
;
782 delay
+= (time_diff
* s
->audio_st
->codec
->sample_rate
) / 1000000;
785 delay
-= s
->width
/ 2;
786 if (delay
< s
->width
)
789 i_start
= x
= compute_mod(s
->sample_array_index
- delay
* channels
, SAMPLE_ARRAY_SIZE
);
792 for(i
=0; i
<1000; i
+=channels
){
793 int idx
= (SAMPLE_ARRAY_SIZE
+ x
- i
) % SAMPLE_ARRAY_SIZE
;
794 int a
= s
->sample_array
[idx
];
795 int b
= s
->sample_array
[(idx
+ 4*channels
)%SAMPLE_ARRAY_SIZE
];
796 int c
= s
->sample_array
[(idx
+ 5*channels
)%SAMPLE_ARRAY_SIZE
];
797 int d
= s
->sample_array
[(idx
+ 9*channels
)%SAMPLE_ARRAY_SIZE
];
799 if(h
<score
&& (b
^c
)<0){
805 s
->last_i_start
= i_start
;
807 i_start
= s
->last_i_start
;
810 bgcolor
= SDL_MapRGB(screen
->format
, 0x00, 0x00, 0x00);
811 fill_rectangle(screen
,
812 s
->xleft
, s
->ytop
, s
->width
, s
->height
,
815 fgcolor
= SDL_MapRGB(screen
->format
, 0xff, 0xff, 0xff);
817 /* total height for one channel */
818 h
= s
->height
/ nb_display_channels
;
819 /* graph height / 2 */
821 for(ch
= 0;ch
< nb_display_channels
; ch
++) {
823 y1
= s
->ytop
+ ch
* h
+ (h
/ 2); /* position of center line */
824 for(x
= 0; x
< s
->width
; x
++) {
825 y
= (s
->sample_array
[i
] * h2
) >> 15;
832 fill_rectangle(screen
,
833 s
->xleft
+ x
, ys
, 1, y
,
836 if (i
>= SAMPLE_ARRAY_SIZE
)
837 i
-= SAMPLE_ARRAY_SIZE
;
841 fgcolor
= SDL_MapRGB(screen
->format
, 0x00, 0x00, 0xff);
843 for(ch
= 1;ch
< nb_display_channels
; ch
++) {
844 y
= s
->ytop
+ ch
* h
;
845 fill_rectangle(screen
,
846 s
->xleft
, y
, s
->width
, 1,
849 SDL_UpdateRect(screen
, s
->xleft
, s
->ytop
, s
->width
, s
->height
);
852 static int video_open(VideoState
*is
){
853 int flags
= SDL_HWSURFACE
|SDL_ASYNCBLIT
|SDL_HWACCEL
;
856 if(is_full_screen
) flags
|= SDL_FULLSCREEN
;
857 else flags
|= SDL_RESIZABLE
;
859 if (is_full_screen
&& fs_screen_width
) {
861 h
= fs_screen_height
;
862 } else if(!is_full_screen
&& screen_width
){
865 }else if (is
->video_st
&& is
->video_st
->codec
->width
){
866 w
= is
->video_st
->codec
->width
;
867 h
= is
->video_st
->codec
->height
;
873 screen
= SDL_SetVideoMode(w
, h
, 0, flags
);
875 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
876 screen
= SDL_SetVideoMode(w
, h
, 24, flags
);
879 fprintf(stderr
, "SDL: could not set video mode - exiting\n");
882 SDL_WM_SetCaption("FFplay", "FFplay");
884 is
->width
= screen
->w
;
885 is
->height
= screen
->h
;
890 /* display the current picture, if any */
891 static void video_display(VideoState
*is
)
894 video_open(cur_stream
);
895 if (is
->audio_st
&& is
->show_audio
)
896 video_audio_display(is
);
897 else if (is
->video_st
)
898 video_image_display(is
);
901 static Uint32
sdl_refresh_timer_cb(Uint32 interval
, void *opaque
)
904 event
.type
= FF_REFRESH_EVENT
;
905 event
.user
.data1
= opaque
;
906 SDL_PushEvent(&event
);
907 return 0; /* 0 means stop timer */
910 /* schedule a video refresh in 'delay' ms */
911 static void schedule_refresh(VideoState
*is
, int delay
)
913 SDL_AddTimer(delay
, sdl_refresh_timer_cb
, is
);
916 /* get the current audio clock value */
917 static double get_audio_clock(VideoState
*is
)
920 int hw_buf_size
, bytes_per_sec
;
921 pts
= is
->audio_clock
;
922 hw_buf_size
= audio_write_get_buf_size(is
);
925 bytes_per_sec
= is
->audio_st
->codec
->sample_rate
*
926 2 * is
->audio_st
->codec
->channels
;
929 pts
-= (double)hw_buf_size
/ bytes_per_sec
;
933 /* get the current video clock value */
934 static double get_video_clock(VideoState
*is
)
940 delta
= (av_gettime() - is
->video_current_pts_time
) / 1000000.0;
942 return is
->video_current_pts
+ delta
;
945 /* get the current external clock value */
946 static double get_external_clock(VideoState
*is
)
950 return is
->external_clock
+ ((ti
- is
->external_clock_time
) * 1e-6);
953 /* get the current master clock value */
954 static double get_master_clock(VideoState
*is
)
958 if (is
->av_sync_type
== AV_SYNC_VIDEO_MASTER
) {
960 val
= get_video_clock(is
);
962 val
= get_audio_clock(is
);
963 } else if (is
->av_sync_type
== AV_SYNC_AUDIO_MASTER
) {
965 val
= get_audio_clock(is
);
967 val
= get_video_clock(is
);
969 val
= get_external_clock(is
);
974 /* seek in the stream */
975 static void stream_seek(VideoState
*is
, int64_t pos
, int rel
)
979 is
->seek_flags
= rel
< 0 ? AVSEEK_FLAG_BACKWARD
: 0;
981 is
->seek_flags
|= AVSEEK_FLAG_BYTE
;
986 /* pause or resume the video */
987 static void stream_pause(VideoState
*is
)
989 is
->paused
= !is
->paused
;
991 is
->video_current_pts
= get_video_clock(is
);
992 is
->frame_timer
+= (av_gettime() - is
->video_current_pts_time
) / 1000000.0;
996 /* called to display each frame */
997 static void video_refresh_timer(void *opaque
)
999 VideoState
*is
= opaque
;
1001 double actual_delay
, delay
, sync_threshold
, ref_clock
, diff
;
1003 SubPicture
*sp
, *sp2
;
1006 if (is
->pictq_size
== 0) {
1007 /* if no picture, need to wait */
1008 schedule_refresh(is
, 1);
1010 /* dequeue the picture */
1011 vp
= &is
->pictq
[is
->pictq_rindex
];
1013 /* update current video pts */
1014 is
->video_current_pts
= vp
->pts
;
1015 is
->video_current_pts_time
= av_gettime();
1017 /* compute nominal delay */
1018 delay
= vp
->pts
- is
->frame_last_pts
;
1019 if (delay
<= 0 || delay
>= 2.0) {
1020 /* if incorrect delay, use previous one */
1021 delay
= is
->frame_last_delay
;
1023 is
->frame_last_delay
= delay
;
1024 is
->frame_last_pts
= vp
->pts
;
1026 /* update delay to follow master synchronisation source */
1027 if (((is
->av_sync_type
== AV_SYNC_AUDIO_MASTER
&& is
->audio_st
) ||
1028 is
->av_sync_type
== AV_SYNC_EXTERNAL_CLOCK
)) {
1029 /* if video is slave, we try to correct big delays by
1030 duplicating or deleting a frame */
1031 ref_clock
= get_master_clock(is
);
1032 diff
= vp
->pts
- ref_clock
;
1034 /* skip or repeat frame. We take into account the
1035 delay to compute the threshold. I still don't know
1036 if it is the best guess */
1037 sync_threshold
= AV_SYNC_THRESHOLD
;
1038 if (delay
> sync_threshold
)
1039 sync_threshold
= delay
;
1040 if (fabs(diff
) < AV_NOSYNC_THRESHOLD
) {
1041 if (diff
<= -sync_threshold
)
1043 else if (diff
>= sync_threshold
)
1048 is
->frame_timer
+= delay
;
1049 /* compute the REAL delay (we need to do that to avoid
1051 actual_delay
= is
->frame_timer
- (av_gettime() / 1000000.0);
1052 if (actual_delay
< 0.010) {
1053 /* XXX: should skip picture */
1054 actual_delay
= 0.010;
1056 /* launch timer for next picture */
1057 schedule_refresh(is
, (int)(actual_delay
* 1000 + 0.5));
1059 #if defined(DEBUG_SYNC)
1060 printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1061 delay
, actual_delay
, vp
->pts
, -diff
);
1064 if(is
->subtitle_st
) {
1065 if (is
->subtitle_stream_changed
) {
1066 SDL_LockMutex(is
->subpq_mutex
);
1068 while (is
->subpq_size
) {
1069 free_subpicture(&is
->subpq
[is
->subpq_rindex
]);
1071 /* update queue size and signal for next picture */
1072 if (++is
->subpq_rindex
== SUBPICTURE_QUEUE_SIZE
)
1073 is
->subpq_rindex
= 0;
1077 is
->subtitle_stream_changed
= 0;
1079 SDL_CondSignal(is
->subpq_cond
);
1080 SDL_UnlockMutex(is
->subpq_mutex
);
1082 if (is
->subpq_size
> 0) {
1083 sp
= &is
->subpq
[is
->subpq_rindex
];
1085 if (is
->subpq_size
> 1)
1086 sp2
= &is
->subpq
[(is
->subpq_rindex
+ 1) % SUBPICTURE_QUEUE_SIZE
];
1090 if ((is
->video_current_pts
> (sp
->pts
+ ((float) sp
->sub
.end_display_time
/ 1000)))
1091 || (sp2
&& is
->video_current_pts
> (sp2
->pts
+ ((float) sp2
->sub
.start_display_time
/ 1000))))
1093 free_subpicture(sp
);
1095 /* update queue size and signal for next picture */
1096 if (++is
->subpq_rindex
== SUBPICTURE_QUEUE_SIZE
)
1097 is
->subpq_rindex
= 0;
1099 SDL_LockMutex(is
->subpq_mutex
);
1101 SDL_CondSignal(is
->subpq_cond
);
1102 SDL_UnlockMutex(is
->subpq_mutex
);
1108 /* display picture */
1111 /* update queue size and signal for next picture */
1112 if (++is
->pictq_rindex
== VIDEO_PICTURE_QUEUE_SIZE
)
1113 is
->pictq_rindex
= 0;
1115 SDL_LockMutex(is
->pictq_mutex
);
1117 SDL_CondSignal(is
->pictq_cond
);
1118 SDL_UnlockMutex(is
->pictq_mutex
);
1120 } else if (is
->audio_st
) {
1121 /* draw the next audio frame */
1123 schedule_refresh(is
, 40);
1125 /* if only audio stream, then display the audio bars (better
1126 than nothing, just to test the implementation */
1128 /* display picture */
1131 schedule_refresh(is
, 100);
1134 static int64_t last_time
;
1136 int aqsize
, vqsize
, sqsize
;
1139 cur_time
= av_gettime();
1140 if (!last_time
|| (cur_time
- last_time
) >= 500 * 1000) {
1145 aqsize
= is
->audioq
.size
;
1147 vqsize
= is
->videoq
.size
;
1148 if (is
->subtitle_st
)
1149 sqsize
= is
->subtitleq
.size
;
1151 if (is
->audio_st
&& is
->video_st
)
1152 av_diff
= get_audio_clock(is
) - get_video_clock(is
);
1153 printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB \r",
1154 get_master_clock(is
), av_diff
, aqsize
/ 1024, vqsize
/ 1024, sqsize
);
1156 last_time
= cur_time
;
1161 /* allocate a picture (needs to do that in main thread to avoid
1162 potential locking problems */
1163 static void alloc_picture(void *opaque
)
1165 VideoState
*is
= opaque
;
1168 vp
= &is
->pictq
[is
->pictq_windex
];
1171 SDL_FreeYUVOverlay(vp
->bmp
);
1174 /* XXX: use generic function */
1175 /* XXX: disable overlay if no hardware acceleration or if RGB format */
1176 switch(is
->video_st
->codec
->pix_fmt
) {
1177 case PIX_FMT_YUV420P
:
1178 case PIX_FMT_YUV422P
:
1179 case PIX_FMT_YUV444P
:
1180 case PIX_FMT_YUYV422
:
1181 case PIX_FMT_YUV410P
:
1182 case PIX_FMT_YUV411P
:
1190 vp
->bmp
= SDL_CreateYUVOverlay(is
->video_st
->codec
->width
,
1191 is
->video_st
->codec
->height
,
1194 vp
->width
= is
->video_st
->codec
->width
;
1195 vp
->height
= is
->video_st
->codec
->height
;
1197 SDL_LockMutex(is
->pictq_mutex
);
1199 SDL_CondSignal(is
->pictq_cond
);
1200 SDL_UnlockMutex(is
->pictq_mutex
);
1205 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1207 static int queue_picture(VideoState
*is
, AVFrame
*src_frame
, double pts
)
1212 static struct SwsContext
*img_convert_ctx
;
1214 /* wait until we have space to put a new picture */
1215 SDL_LockMutex(is
->pictq_mutex
);
1216 while (is
->pictq_size
>= VIDEO_PICTURE_QUEUE_SIZE
&&
1217 !is
->videoq
.abort_request
) {
1218 SDL_CondWait(is
->pictq_cond
, is
->pictq_mutex
);
1220 SDL_UnlockMutex(is
->pictq_mutex
);
1222 if (is
->videoq
.abort_request
)
1225 vp
= &is
->pictq
[is
->pictq_windex
];
1227 /* alloc or resize hardware picture buffer */
1229 vp
->width
!= is
->video_st
->codec
->width
||
1230 vp
->height
!= is
->video_st
->codec
->height
) {
1235 /* the allocation must be done in the main thread to avoid
1237 event
.type
= FF_ALLOC_EVENT
;
1238 event
.user
.data1
= is
;
1239 SDL_PushEvent(&event
);
1241 /* wait until the picture is allocated */
1242 SDL_LockMutex(is
->pictq_mutex
);
1243 while (!vp
->allocated
&& !is
->videoq
.abort_request
) {
1244 SDL_CondWait(is
->pictq_cond
, is
->pictq_mutex
);
1246 SDL_UnlockMutex(is
->pictq_mutex
);
1248 if (is
->videoq
.abort_request
)
1252 /* if the frame is not skipped, then display it */
1254 /* get a pointer on the bitmap */
1255 SDL_LockYUVOverlay (vp
->bmp
);
1257 dst_pix_fmt
= PIX_FMT_YUV420P
;
1258 pict
.data
[0] = vp
->bmp
->pixels
[0];
1259 pict
.data
[1] = vp
->bmp
->pixels
[2];
1260 pict
.data
[2] = vp
->bmp
->pixels
[1];
1262 pict
.linesize
[0] = vp
->bmp
->pitches
[0];
1263 pict
.linesize
[1] = vp
->bmp
->pitches
[2];
1264 pict
.linesize
[2] = vp
->bmp
->pitches
[1];
1265 img_convert_ctx
= sws_getCachedContext(img_convert_ctx
,
1266 is
->video_st
->codec
->width
, is
->video_st
->codec
->height
,
1267 is
->video_st
->codec
->pix_fmt
,
1268 is
->video_st
->codec
->width
, is
->video_st
->codec
->height
,
1269 dst_pix_fmt
, sws_flags
, NULL
, NULL
, NULL
);
1270 if (img_convert_ctx
== NULL
) {
1271 fprintf(stderr
, "Cannot initialize the conversion context\n");
1274 sws_scale(img_convert_ctx
, src_frame
->data
, src_frame
->linesize
,
1275 0, is
->video_st
->codec
->height
, pict
.data
, pict
.linesize
);
1276 /* update the bitmap content */
1277 SDL_UnlockYUVOverlay(vp
->bmp
);
1281 /* now we can update the picture count */
1282 if (++is
->pictq_windex
== VIDEO_PICTURE_QUEUE_SIZE
)
1283 is
->pictq_windex
= 0;
1284 SDL_LockMutex(is
->pictq_mutex
);
1286 SDL_UnlockMutex(is
->pictq_mutex
);
1292 * compute the exact PTS for the picture if it is omitted in the stream
1293 * @param pts1 the dts of the pkt / pts of the frame
1295 static int output_picture2(VideoState
*is
, AVFrame
*src_frame
, double pts1
)
1297 double frame_delay
, pts
;
1302 /* update video clock with pts, if present */
1303 is
->video_clock
= pts
;
1305 pts
= is
->video_clock
;
1307 /* update video clock for next frame */
1308 frame_delay
= av_q2d(is
->video_st
->codec
->time_base
);
1309 /* for MPEG2, the frame can be repeated, so we update the
1310 clock accordingly */
1311 frame_delay
+= src_frame
->repeat_pict
* (frame_delay
* 0.5);
1312 is
->video_clock
+= frame_delay
;
1314 #if defined(DEBUG_SYNC) && 0
1317 if (src_frame
->pict_type
== FF_B_TYPE
)
1319 else if (src_frame
->pict_type
== FF_I_TYPE
)
1323 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1327 return queue_picture(is
, src_frame
, pts
);
1330 static uint64_t global_video_pkt_pts
= AV_NOPTS_VALUE
;
1332 static int my_get_buffer(struct AVCodecContext
*c
, AVFrame
*pic
){
1333 int ret
= avcodec_default_get_buffer(c
, pic
);
1334 uint64_t *pts
= av_malloc(sizeof(uint64_t));
1335 *pts
= global_video_pkt_pts
;
1340 static void my_release_buffer(struct AVCodecContext
*c
, AVFrame
*pic
){
1341 if(pic
) av_freep(&pic
->opaque
);
1342 avcodec_default_release_buffer(c
, pic
);
1345 static int video_thread(void *arg
)
1347 VideoState
*is
= arg
;
1348 AVPacket pkt1
, *pkt
= &pkt1
;
1349 int len1
, got_picture
;
1350 AVFrame
*frame
= avcodec_alloc_frame();
1354 while (is
->paused
&& !is
->videoq
.abort_request
) {
1357 if (packet_queue_get(&is
->videoq
, pkt
, 1) < 0)
1360 if(pkt
->data
== flush_pkt
.data
){
1361 avcodec_flush_buffers(is
->video_st
->codec
);
1365 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1366 this packet, if any */
1367 global_video_pkt_pts
= pkt
->pts
;
1368 len1
= avcodec_decode_video(is
->video_st
->codec
,
1369 frame
, &got_picture
,
1370 pkt
->data
, pkt
->size
);
1372 if( (decoder_reorder_pts
|| pkt
->dts
== AV_NOPTS_VALUE
)
1373 && frame
->opaque
&& *(uint64_t*)frame
->opaque
!= AV_NOPTS_VALUE
)
1374 pts
= *(uint64_t*)frame
->opaque
;
1375 else if(pkt
->dts
!= AV_NOPTS_VALUE
)
1379 pts
*= av_q2d(is
->video_st
->time_base
);
1384 if (output_picture2(is
, frame
, pts
) < 0)
1387 av_free_packet(pkt
);
1390 stream_pause(cur_stream
);
1397 static int subtitle_thread(void *arg
)
1399 VideoState
*is
= arg
;
1401 AVPacket pkt1
, *pkt
= &pkt1
;
1402 int len1
, got_subtitle
;
1405 int r
, g
, b
, y
, u
, v
, a
;
1408 while (is
->paused
&& !is
->subtitleq
.abort_request
) {
1411 if (packet_queue_get(&is
->subtitleq
, pkt
, 1) < 0)
1414 if(pkt
->data
== flush_pkt
.data
){
1415 avcodec_flush_buffers(is
->subtitle_st
->codec
);
1418 SDL_LockMutex(is
->subpq_mutex
);
1419 while (is
->subpq_size
>= SUBPICTURE_QUEUE_SIZE
&&
1420 !is
->subtitleq
.abort_request
) {
1421 SDL_CondWait(is
->subpq_cond
, is
->subpq_mutex
);
1423 SDL_UnlockMutex(is
->subpq_mutex
);
1425 if (is
->subtitleq
.abort_request
)
1428 sp
= &is
->subpq
[is
->subpq_windex
];
1430 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1431 this packet, if any */
1433 if (pkt
->pts
!= AV_NOPTS_VALUE
)
1434 pts
= av_q2d(is
->subtitle_st
->time_base
)*pkt
->pts
;
1436 len1
= avcodec_decode_subtitle(is
->subtitle_st
->codec
,
1437 &sp
->sub
, &got_subtitle
,
1438 pkt
->data
, pkt
->size
);
1441 if (got_subtitle
&& sp
->sub
.format
== 0) {
1444 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
1446 for (j
= 0; j
< sp
->sub
.rects
[i
].nb_colors
; j
++)
1448 RGBA_IN(r
, g
, b
, a
, sp
->sub
.rects
[i
].rgba_palette
+ j
);
1449 y
= RGB_TO_Y_CCIR(r
, g
, b
);
1450 u
= RGB_TO_U_CCIR(r
, g
, b
, 0);
1451 v
= RGB_TO_V_CCIR(r
, g
, b
, 0);
1452 YUVA_OUT(sp
->sub
.rects
[i
].rgba_palette
+ j
, y
, u
, v
, a
);
1456 /* now we can update the picture count */
1457 if (++is
->subpq_windex
== SUBPICTURE_QUEUE_SIZE
)
1458 is
->subpq_windex
= 0;
1459 SDL_LockMutex(is
->subpq_mutex
);
1461 SDL_UnlockMutex(is
->subpq_mutex
);
1463 av_free_packet(pkt
);
1466 // stream_pause(cur_stream);
1472 /* copy samples for viewing in editor window */
1473 static void update_sample_display(VideoState
*is
, short *samples
, int samples_size
)
1475 int size
, len
, channels
;
1477 channels
= is
->audio_st
->codec
->channels
;
1479 size
= samples_size
/ sizeof(short);
1481 len
= SAMPLE_ARRAY_SIZE
- is
->sample_array_index
;
1484 memcpy(is
->sample_array
+ is
->sample_array_index
, samples
, len
* sizeof(short));
1486 is
->sample_array_index
+= len
;
1487 if (is
->sample_array_index
>= SAMPLE_ARRAY_SIZE
)
1488 is
->sample_array_index
= 0;
1493 /* return the new audio buffer size (samples can be added or deleted
1494 to get better sync if video or external master clock) */
1495 static int synchronize_audio(VideoState
*is
, short *samples
,
1496 int samples_size1
, double pts
)
1498 int n
, samples_size
;
1501 n
= 2 * is
->audio_st
->codec
->channels
;
1502 samples_size
= samples_size1
;
1504 /* if not master, then we try to remove or add samples to correct the clock */
1505 if (((is
->av_sync_type
== AV_SYNC_VIDEO_MASTER
&& is
->video_st
) ||
1506 is
->av_sync_type
== AV_SYNC_EXTERNAL_CLOCK
)) {
1507 double diff
, avg_diff
;
1508 int wanted_size
, min_size
, max_size
, nb_samples
;
1510 ref_clock
= get_master_clock(is
);
1511 diff
= get_audio_clock(is
) - ref_clock
;
1513 if (diff
< AV_NOSYNC_THRESHOLD
) {
1514 is
->audio_diff_cum
= diff
+ is
->audio_diff_avg_coef
* is
->audio_diff_cum
;
1515 if (is
->audio_diff_avg_count
< AUDIO_DIFF_AVG_NB
) {
1516 /* not enough measures to have a correct estimate */
1517 is
->audio_diff_avg_count
++;
1519 /* estimate the A-V difference */
1520 avg_diff
= is
->audio_diff_cum
* (1.0 - is
->audio_diff_avg_coef
);
1522 if (fabs(avg_diff
) >= is
->audio_diff_threshold
) {
1523 wanted_size
= samples_size
+ ((int)(diff
* is
->audio_st
->codec
->sample_rate
) * n
);
1524 nb_samples
= samples_size
/ n
;
1526 min_size
= ((nb_samples
* (100 - SAMPLE_CORRECTION_PERCENT_MAX
)) / 100) * n
;
1527 max_size
= ((nb_samples
* (100 + SAMPLE_CORRECTION_PERCENT_MAX
)) / 100) * n
;
1528 if (wanted_size
< min_size
)
1529 wanted_size
= min_size
;
1530 else if (wanted_size
> max_size
)
1531 wanted_size
= max_size
;
1533 /* add or remove samples to correction the synchro */
1534 if (wanted_size
< samples_size
) {
1535 /* remove samples */
1536 samples_size
= wanted_size
;
1537 } else if (wanted_size
> samples_size
) {
1538 uint8_t *samples_end
, *q
;
1542 nb
= (samples_size
- wanted_size
);
1543 samples_end
= (uint8_t *)samples
+ samples_size
- n
;
1544 q
= samples_end
+ n
;
1546 memcpy(q
, samples_end
, n
);
1550 samples_size
= wanted_size
;
1554 printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1555 diff
, avg_diff
, samples_size
- samples_size1
,
1556 is
->audio_clock
, is
->video_clock
, is
->audio_diff_threshold
);
1560 /* too big difference : may be initial PTS errors, so
1562 is
->audio_diff_avg_count
= 0;
1563 is
->audio_diff_cum
= 0;
1567 return samples_size
;
1570 /* decode one audio frame and returns its uncompressed size */
1571 static int audio_decode_frame(VideoState
*is
, uint8_t *audio_buf
, int buf_size
, double *pts_ptr
)
1573 AVPacket
*pkt
= &is
->audio_pkt
;
1574 int n
, len1
, data_size
;
1578 /* NOTE: the audio packet can contain several frames */
1579 while (is
->audio_pkt_size
> 0) {
1580 data_size
= buf_size
;
1581 len1
= avcodec_decode_audio2(is
->audio_st
->codec
,
1582 (int16_t *)audio_buf
, &data_size
,
1583 is
->audio_pkt_data
, is
->audio_pkt_size
);
1585 /* if error, we skip the frame */
1586 is
->audio_pkt_size
= 0;
1590 is
->audio_pkt_data
+= len1
;
1591 is
->audio_pkt_size
-= len1
;
1594 /* if no pts, then compute it */
1595 pts
= is
->audio_clock
;
1597 n
= 2 * is
->audio_st
->codec
->channels
;
1598 is
->audio_clock
+= (double)data_size
/
1599 (double)(n
* is
->audio_st
->codec
->sample_rate
);
1600 #if defined(DEBUG_SYNC)
1602 static double last_clock
;
1603 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
1604 is
->audio_clock
- last_clock
,
1605 is
->audio_clock
, pts
);
1606 last_clock
= is
->audio_clock
;
1612 /* free the current packet */
1614 av_free_packet(pkt
);
1616 if (is
->paused
|| is
->audioq
.abort_request
) {
1620 /* read next packet */
1621 if (packet_queue_get(&is
->audioq
, pkt
, 1) < 0)
1623 if(pkt
->data
== flush_pkt
.data
){
1624 avcodec_flush_buffers(is
->audio_st
->codec
);
1628 is
->audio_pkt_data
= pkt
->data
;
1629 is
->audio_pkt_size
= pkt
->size
;
1631 /* if update the audio clock with the pts */
1632 if (pkt
->pts
!= AV_NOPTS_VALUE
) {
1633 is
->audio_clock
= av_q2d(is
->audio_st
->time_base
)*pkt
->pts
;
1638 /* get the current audio output buffer size, in samples. With SDL, we
1639 cannot have a precise information */
1640 static int audio_write_get_buf_size(VideoState
*is
)
1642 return is
->audio_buf_size
- is
->audio_buf_index
;
1646 /* prepare a new audio buffer */
1647 void sdl_audio_callback(void *opaque
, Uint8
*stream
, int len
)
1649 VideoState
*is
= opaque
;
1650 int audio_size
, len1
;
1653 audio_callback_time
= av_gettime();
1656 if (is
->audio_buf_index
>= is
->audio_buf_size
) {
1657 audio_size
= audio_decode_frame(is
, is
->audio_buf
, sizeof(is
->audio_buf
), &pts
);
1658 if (audio_size
< 0) {
1659 /* if error, just output silence */
1660 is
->audio_buf_size
= 1024;
1661 memset(is
->audio_buf
, 0, is
->audio_buf_size
);
1664 update_sample_display(is
, (int16_t *)is
->audio_buf
, audio_size
);
1665 audio_size
= synchronize_audio(is
, (int16_t *)is
->audio_buf
, audio_size
,
1667 is
->audio_buf_size
= audio_size
;
1669 is
->audio_buf_index
= 0;
1671 len1
= is
->audio_buf_size
- is
->audio_buf_index
;
1674 memcpy(stream
, (uint8_t *)is
->audio_buf
+ is
->audio_buf_index
, len1
);
1677 is
->audio_buf_index
+= len1
;
1681 /* open a given stream. Return 0 if OK */
1682 static int stream_component_open(VideoState
*is
, int stream_index
)
1684 AVFormatContext
*ic
= is
->ic
;
1685 AVCodecContext
*enc
;
1687 SDL_AudioSpec wanted_spec
, spec
;
1689 if (stream_index
< 0 || stream_index
>= ic
->nb_streams
)
1691 enc
= ic
->streams
[stream_index
]->codec
;
1693 /* prepare audio output */
1694 if (enc
->codec_type
== CODEC_TYPE_AUDIO
) {
1695 wanted_spec
.freq
= enc
->sample_rate
;
1696 wanted_spec
.format
= AUDIO_S16SYS
;
1697 /* hack for AC3. XXX: suppress that */
1698 if (enc
->channels
> 2)
1700 wanted_spec
.channels
= enc
->channels
;
1701 wanted_spec
.silence
= 0;
1702 wanted_spec
.samples
= SDL_AUDIO_BUFFER_SIZE
;
1703 wanted_spec
.callback
= sdl_audio_callback
;
1704 wanted_spec
.userdata
= is
;
1705 if (SDL_OpenAudio(&wanted_spec
, &spec
) < 0) {
1706 fprintf(stderr
, "SDL_OpenAudio: %s\n", SDL_GetError());
1709 is
->audio_hw_buf_size
= spec
.size
;
1712 codec
= avcodec_find_decoder(enc
->codec_id
);
1713 enc
->debug_mv
= debug_mv
;
1715 enc
->workaround_bugs
= workaround_bugs
;
1716 enc
->lowres
= lowres
;
1717 if(lowres
) enc
->flags
|= CODEC_FLAG_EMU_EDGE
;
1718 enc
->idct_algo
= idct
;
1719 if(fast
) enc
->flags2
|= CODEC_FLAG2_FAST
;
1720 enc
->skip_frame
= skip_frame
;
1721 enc
->skip_idct
= skip_idct
;
1722 enc
->skip_loop_filter
= skip_loop_filter
;
1723 enc
->error_resilience
= error_resilience
;
1724 enc
->error_concealment
= error_concealment
;
1726 avcodec_open(enc
, codec
) < 0)
1729 avcodec_thread_init(enc
, thread_count
);
1730 enc
->thread_count
= thread_count
;
1731 switch(enc
->codec_type
) {
1732 case CODEC_TYPE_AUDIO
:
1733 is
->audio_stream
= stream_index
;
1734 is
->audio_st
= ic
->streams
[stream_index
];
1735 is
->audio_buf_size
= 0;
1736 is
->audio_buf_index
= 0;
1738 /* init averaging filter */
1739 is
->audio_diff_avg_coef
= exp(log(0.01) / AUDIO_DIFF_AVG_NB
);
1740 is
->audio_diff_avg_count
= 0;
1741 /* since we do not have a precise anough audio fifo fullness,
1742 we correct audio sync only if larger than this threshold */
1743 is
->audio_diff_threshold
= 2.0 * SDL_AUDIO_BUFFER_SIZE
/ enc
->sample_rate
;
1745 memset(&is
->audio_pkt
, 0, sizeof(is
->audio_pkt
));
1746 packet_queue_init(&is
->audioq
);
1749 case CODEC_TYPE_VIDEO
:
1750 is
->video_stream
= stream_index
;
1751 is
->video_st
= ic
->streams
[stream_index
];
1753 is
->frame_last_delay
= 40e-3;
1754 is
->frame_timer
= (double)av_gettime() / 1000000.0;
1755 is
->video_current_pts_time
= av_gettime();
1757 packet_queue_init(&is
->videoq
);
1758 is
->video_tid
= SDL_CreateThread(video_thread
, is
);
1760 enc
-> get_buffer
= my_get_buffer
;
1761 enc
->release_buffer
= my_release_buffer
;
1763 case CODEC_TYPE_SUBTITLE
:
1764 is
->subtitle_stream
= stream_index
;
1765 is
->subtitle_st
= ic
->streams
[stream_index
];
1766 packet_queue_init(&is
->subtitleq
);
1768 is
->subtitle_tid
= SDL_CreateThread(subtitle_thread
, is
);
1776 static void stream_component_close(VideoState
*is
, int stream_index
)
1778 AVFormatContext
*ic
= is
->ic
;
1779 AVCodecContext
*enc
;
1781 if (stream_index
< 0 || stream_index
>= ic
->nb_streams
)
1783 enc
= ic
->streams
[stream_index
]->codec
;
1785 switch(enc
->codec_type
) {
1786 case CODEC_TYPE_AUDIO
:
1787 packet_queue_abort(&is
->audioq
);
1791 packet_queue_end(&is
->audioq
);
1793 case CODEC_TYPE_VIDEO
:
1794 packet_queue_abort(&is
->videoq
);
1796 /* note: we also signal this mutex to make sure we deblock the
1797 video thread in all cases */
1798 SDL_LockMutex(is
->pictq_mutex
);
1799 SDL_CondSignal(is
->pictq_cond
);
1800 SDL_UnlockMutex(is
->pictq_mutex
);
1802 SDL_WaitThread(is
->video_tid
, NULL
);
1804 packet_queue_end(&is
->videoq
);
1806 case CODEC_TYPE_SUBTITLE
:
1807 packet_queue_abort(&is
->subtitleq
);
1809 /* note: we also signal this mutex to make sure we deblock the
1810 video thread in all cases */
1811 SDL_LockMutex(is
->subpq_mutex
);
1812 is
->subtitle_stream_changed
= 1;
1814 SDL_CondSignal(is
->subpq_cond
);
1815 SDL_UnlockMutex(is
->subpq_mutex
);
1817 SDL_WaitThread(is
->subtitle_tid
, NULL
);
1819 packet_queue_end(&is
->subtitleq
);
1826 switch(enc
->codec_type
) {
1827 case CODEC_TYPE_AUDIO
:
1828 is
->audio_st
= NULL
;
1829 is
->audio_stream
= -1;
1831 case CODEC_TYPE_VIDEO
:
1832 is
->video_st
= NULL
;
1833 is
->video_stream
= -1;
1835 case CODEC_TYPE_SUBTITLE
:
1836 is
->subtitle_st
= NULL
;
1837 is
->subtitle_stream
= -1;
1844 static void dump_stream_info(const AVFormatContext
*s
)
1847 fprintf(stderr
, "Track: %d\n", s
->track
);
1848 if (s
->title
[0] != '\0')
1849 fprintf(stderr
, "Title: %s\n", s
->title
);
1850 if (s
->author
[0] != '\0')
1851 fprintf(stderr
, "Author: %s\n", s
->author
);
1852 if (s
->copyright
[0] != '\0')
1853 fprintf(stderr
, "Copyright: %s\n", s
->copyright
);
1854 if (s
->comment
[0] != '\0')
1855 fprintf(stderr
, "Comment: %s\n", s
->comment
);
1856 if (s
->album
[0] != '\0')
1857 fprintf(stderr
, "Album: %s\n", s
->album
);
1859 fprintf(stderr
, "Year: %d\n", s
->year
);
1860 if (s
->genre
[0] != '\0')
1861 fprintf(stderr
, "Genre: %s\n", s
->genre
);
1864 /* since we have only one decoding thread, we can use a global
1865 variable instead of a thread local variable */
1866 static VideoState
*global_video_state
;
1868 static int decode_interrupt_cb(void)
1870 return (global_video_state
&& global_video_state
->abort_request
);
1873 /* this thread gets the stream from the disk or the network */
1874 static int decode_thread(void *arg
)
1876 VideoState
*is
= arg
;
1877 AVFormatContext
*ic
;
1878 int err
, i
, ret
, video_index
, audio_index
;
1879 AVPacket pkt1
, *pkt
= &pkt1
;
1880 AVFormatParameters params
, *ap
= ¶ms
;
1884 is
->video_stream
= -1;
1885 is
->audio_stream
= -1;
1886 is
->subtitle_stream
= -1;
1888 global_video_state
= is
;
1889 url_set_interrupt_cb(decode_interrupt_cb
);
1891 memset(ap
, 0, sizeof(*ap
));
1893 ap
->width
= frame_width
;
1894 ap
->height
= frame_height
;
1895 ap
->time_base
= (AVRational
){1, 25};
1896 ap
->pix_fmt
= frame_pix_fmt
;
1898 err
= av_open_input_file(&ic
, is
->filename
, is
->iformat
, 0, ap
);
1900 print_error(is
->filename
, err
);
1907 ic
->flags
|= AVFMT_FLAG_GENPTS
;
1909 err
= av_find_stream_info(ic
);
1911 fprintf(stderr
, "%s: could not find codec parameters\n", is
->filename
);
1915 ic
->pb
.eof_reached
= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
1917 /* if seeking requested, we execute it */
1918 if (start_time
!= AV_NOPTS_VALUE
) {
1921 timestamp
= start_time
;
1922 /* add the stream start time */
1923 if (ic
->start_time
!= AV_NOPTS_VALUE
)
1924 timestamp
+= ic
->start_time
;
1925 ret
= av_seek_frame(ic
, -1, timestamp
, AVSEEK_FLAG_BACKWARD
);
1927 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
1928 is
->filename
, (double)timestamp
/ AV_TIME_BASE
);
1932 for(i
= 0; i
< ic
->nb_streams
; i
++) {
1933 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
1934 switch(enc
->codec_type
) {
1935 case CODEC_TYPE_AUDIO
:
1936 if ((audio_index
< 0 || wanted_audio_stream
-- > 0) && !audio_disable
)
1939 case CODEC_TYPE_VIDEO
:
1940 if ((video_index
< 0 || wanted_video_stream
-- > 0) && !video_disable
)
1948 dump_format(ic
, 0, is
->filename
, 0);
1949 dump_stream_info(ic
);
1952 /* open the streams */
1953 if (audio_index
>= 0) {
1954 stream_component_open(is
, audio_index
);
1957 if (video_index
>= 0) {
1958 stream_component_open(is
, video_index
);
1960 if (!display_disable
)
1964 if (is
->video_stream
< 0 && is
->audio_stream
< 0) {
1965 fprintf(stderr
, "%s: could not open codecs\n", is
->filename
);
1971 if (is
->abort_request
)
1973 if (is
->paused
!= is
->last_paused
) {
1974 is
->last_paused
= is
->paused
;
1980 #if defined(CONFIG_RTSP_DEMUXER) || defined(CONFIG_MMSH_PROTOCOL)
1982 (!strcmp(ic
->iformat
->name
, "rtsp") ||
1983 !strcmp(url_fileno(&ic
->pb
)->prot
->name
, "mmsh"))) {
1984 /* wait 10 ms to avoid trying to get another packet */
1991 int stream_index
= -1;
1992 int64_t seek_target
= is
->seek_pos
;
1994 if (is
-> video_stream
>= 0) stream_index
= is
-> video_stream
;
1995 else if(is
-> audio_stream
>= 0) stream_index
= is
-> audio_stream
;
1996 else if(is
->subtitle_stream
>= 0) stream_index
= is
->subtitle_stream
;
1998 if(stream_index
>=0){
1999 seek_target
= av_rescale_q(seek_target
, AV_TIME_BASE_Q
, ic
->streams
[stream_index
]->time_base
);
2002 ret
= av_seek_frame(is
->ic
, stream_index
, seek_target
, is
->seek_flags
);
2004 fprintf(stderr
, "%s: error while seeking\n", is
->ic
->filename
);
2006 if (is
->audio_stream
>= 0) {
2007 packet_queue_flush(&is
->audioq
);
2008 packet_queue_put(&is
->audioq
, &flush_pkt
);
2010 if (is
->subtitle_stream
>= 0) {
2011 packet_queue_flush(&is
->subtitleq
);
2012 packet_queue_put(&is
->subtitleq
, &flush_pkt
);
2014 if (is
->video_stream
>= 0) {
2015 packet_queue_flush(&is
->videoq
);
2016 packet_queue_put(&is
->videoq
, &flush_pkt
);
2022 /* if the queue are full, no need to read more */
2023 if (is
->audioq
.size
> MAX_AUDIOQ_SIZE
||
2024 is
->videoq
.size
> MAX_VIDEOQ_SIZE
||
2025 is
->subtitleq
.size
> MAX_SUBTITLEQ_SIZE
||
2026 url_feof(&ic
->pb
)) {
2031 ret
= av_read_frame(ic
, pkt
);
2033 if (url_ferror(&ic
->pb
) == 0) {
2034 SDL_Delay(100); /* wait for user event */
2039 if (pkt
->stream_index
== is
->audio_stream
) {
2040 packet_queue_put(&is
->audioq
, pkt
);
2041 } else if (pkt
->stream_index
== is
->video_stream
) {
2042 packet_queue_put(&is
->videoq
, pkt
);
2043 } else if (pkt
->stream_index
== is
->subtitle_stream
) {
2044 packet_queue_put(&is
->subtitleq
, pkt
);
2046 av_free_packet(pkt
);
2049 /* wait until the end */
2050 while (!is
->abort_request
) {
2056 /* disable interrupting */
2057 global_video_state
= NULL
;
2059 /* close each stream */
2060 if (is
->audio_stream
>= 0)
2061 stream_component_close(is
, is
->audio_stream
);
2062 if (is
->video_stream
>= 0)
2063 stream_component_close(is
, is
->video_stream
);
2064 if (is
->subtitle_stream
>= 0)
2065 stream_component_close(is
, is
->subtitle_stream
);
2067 av_close_input_file(is
->ic
);
2068 is
->ic
= NULL
; /* safety */
2070 url_set_interrupt_cb(NULL
);
2075 event
.type
= FF_QUIT_EVENT
;
2076 event
.user
.data1
= is
;
2077 SDL_PushEvent(&event
);
2082 static VideoState
*stream_open(const char *filename
, AVInputFormat
*iformat
)
2086 is
= av_mallocz(sizeof(VideoState
));
2089 av_strlcpy(is
->filename
, filename
, sizeof(is
->filename
));
2090 is
->iformat
= iformat
;
2094 /* start video display */
2095 is
->pictq_mutex
= SDL_CreateMutex();
2096 is
->pictq_cond
= SDL_CreateCond();
2098 is
->subpq_mutex
= SDL_CreateMutex();
2099 is
->subpq_cond
= SDL_CreateCond();
2101 /* add the refresh timer to draw the picture */
2102 schedule_refresh(is
, 40);
2104 is
->av_sync_type
= av_sync_type
;
2105 is
->parse_tid
= SDL_CreateThread(decode_thread
, is
);
2106 if (!is
->parse_tid
) {
2113 static void stream_close(VideoState
*is
)
2117 /* XXX: use a special url_shutdown call to abort parse cleanly */
2118 is
->abort_request
= 1;
2119 SDL_WaitThread(is
->parse_tid
, NULL
);
2121 /* free all pictures */
2122 for(i
=0;i
<VIDEO_PICTURE_QUEUE_SIZE
; i
++) {
2125 SDL_FreeYUVOverlay(vp
->bmp
);
2129 SDL_DestroyMutex(is
->pictq_mutex
);
2130 SDL_DestroyCond(is
->pictq_cond
);
2131 SDL_DestroyMutex(is
->subpq_mutex
);
2132 SDL_DestroyCond(is
->subpq_cond
);
2135 static void stream_cycle_channel(VideoState
*is
, int codec_type
)
2137 AVFormatContext
*ic
= is
->ic
;
2138 int start_index
, stream_index
;
2141 if (codec_type
== CODEC_TYPE_VIDEO
)
2142 start_index
= is
->video_stream
;
2143 else if (codec_type
== CODEC_TYPE_AUDIO
)
2144 start_index
= is
->audio_stream
;
2146 start_index
= is
->subtitle_stream
;
2147 if (start_index
< (codec_type
== CODEC_TYPE_SUBTITLE
? -1 : 0))
2149 stream_index
= start_index
;
2151 if (++stream_index
>= is
->ic
->nb_streams
)
2153 if (codec_type
== CODEC_TYPE_SUBTITLE
)
2160 if (stream_index
== start_index
)
2162 st
= ic
->streams
[stream_index
];
2163 if (st
->codec
->codec_type
== codec_type
) {
2164 /* check that parameters are OK */
2165 switch(codec_type
) {
2166 case CODEC_TYPE_AUDIO
:
2167 if (st
->codec
->sample_rate
!= 0 &&
2168 st
->codec
->channels
!= 0)
2171 case CODEC_TYPE_VIDEO
:
2172 case CODEC_TYPE_SUBTITLE
:
2180 stream_component_close(is
, start_index
);
2181 stream_component_open(is
, stream_index
);
2185 static void toggle_full_screen(void)
2187 is_full_screen
= !is_full_screen
;
2188 if (!fs_screen_width
) {
2189 /* use default SDL method */
2190 // SDL_WM_ToggleFullScreen(screen);
2192 video_open(cur_stream
);
2195 static void toggle_pause(void)
2198 stream_pause(cur_stream
);
2202 static void step_to_next_frame(void)
2205 /* if the stream is paused unpause it, then step */
2206 if (cur_stream
->paused
)
2207 stream_pause(cur_stream
);
2212 static void do_exit(void)
2215 stream_close(cur_stream
);
2224 static void toggle_audio_display(void)
2227 cur_stream
->show_audio
= !cur_stream
->show_audio
;
2231 /* handle an event sent by the GUI */
2232 static void event_loop(void)
2235 double incr
, pos
, frac
;
2238 SDL_WaitEvent(&event
);
2239 switch(event
.type
) {
2241 switch(event
.key
.keysym
.sym
) {
2247 toggle_full_screen();
2253 case SDLK_s
: //S: Step to next frame
2254 step_to_next_frame();
2258 stream_cycle_channel(cur_stream
, CODEC_TYPE_AUDIO
);
2262 stream_cycle_channel(cur_stream
, CODEC_TYPE_VIDEO
);
2266 stream_cycle_channel(cur_stream
, CODEC_TYPE_SUBTITLE
);
2269 toggle_audio_display();
2284 if (seek_by_bytes
) {
2285 pos
= url_ftell(&cur_stream
->ic
->pb
);
2286 if (cur_stream
->ic
->bit_rate
)
2287 incr
*= cur_stream
->ic
->bit_rate
/ 60.0;
2291 stream_seek(cur_stream
, pos
, incr
);
2293 pos
= get_master_clock(cur_stream
);
2295 stream_seek(cur_stream
, (int64_t)(pos
* AV_TIME_BASE
), incr
);
2303 case SDL_MOUSEBUTTONDOWN
:
2306 int tns
, thh
, tmm
, tss
;
2307 tns
= cur_stream
->ic
->duration
/1000000LL;
2309 tmm
= (tns
%3600)/60;
2311 frac
= (double)event
.button
.x
/(double)cur_stream
->width
;
2316 fprintf(stderr
, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac
*100,
2317 hh
, mm
, ss
, thh
, tmm
, tss
);
2318 stream_seek(cur_stream
, (int64_t)(cur_stream
->ic
->start_time
+frac
*cur_stream
->ic
->duration
), 0);
2321 case SDL_VIDEORESIZE
:
2323 screen
= SDL_SetVideoMode(event
.resize
.w
, event
.resize
.h
, 0,
2324 SDL_HWSURFACE
|SDL_RESIZABLE
|SDL_ASYNCBLIT
|SDL_HWACCEL
);
2325 screen_width
= cur_stream
->width
= event
.resize
.w
;
2326 screen_height
= cur_stream
->height
= event
.resize
.h
;
2333 case FF_ALLOC_EVENT
:
2334 video_open(event
.user
.data1
);
2335 alloc_picture(event
.user
.data1
);
2337 case FF_REFRESH_EVENT
:
2338 video_refresh_timer(event
.user
.data1
);
2346 static void opt_frame_size(const char *arg
)
2348 if (av_parse_video_frame_size(&frame_width
, &frame_height
, arg
) < 0) {
2349 fprintf(stderr
, "Incorrect frame size\n");
2352 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
2353 fprintf(stderr
, "Frame size must be a multiple of 2\n");
2358 static void opt_width(const char *arg
)
2360 screen_width
= atoi(arg
);
2361 if(screen_width
<=0){
2362 fprintf(stderr
, "invalid width\n");
2367 static void opt_height(const char *arg
)
2369 screen_height
= atoi(arg
);
2370 if(screen_height
<=0){
2371 fprintf(stderr
, "invalid height\n");
2376 static void opt_format(const char *arg
)
2378 file_iformat
= av_find_input_format(arg
);
2379 if (!file_iformat
) {
2380 fprintf(stderr
, "Unknown input format: %s\n", arg
);
2385 static void opt_frame_pix_fmt(const char *arg
)
2387 frame_pix_fmt
= avcodec_get_pix_fmt(arg
);
2390 #ifdef CONFIG_RTSP_DEMUXER
2391 static void opt_rtp_tcp(void)
2393 /* only tcp protocol */
2394 rtsp_default_protocols
= (1 << RTSP_PROTOCOL_RTP_TCP
);
2398 static void opt_sync(const char *arg
)
2400 if (!strcmp(arg
, "audio"))
2401 av_sync_type
= AV_SYNC_AUDIO_MASTER
;
2402 else if (!strcmp(arg
, "video"))
2403 av_sync_type
= AV_SYNC_VIDEO_MASTER
;
2404 else if (!strcmp(arg
, "ext"))
2405 av_sync_type
= AV_SYNC_EXTERNAL_CLOCK
;
2412 static void opt_seek(const char *arg
)
2414 start_time
= parse_date(arg
, 1);
2415 if (start_time
== INT64_MIN
) {
2416 fprintf(stderr
, "Invalid duration specification: %s\n", arg
);
2421 static void opt_debug(const char *arg
)
2427 static void opt_vismv(const char *arg
)
2429 debug_mv
= atoi(arg
);
2432 static void opt_thread_count(const char *arg
)
2434 thread_count
= atoi(arg
);
2435 #if !defined(HAVE_THREADS)
2436 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
2440 static void opt_show_help(void)
2446 const OptionDef options
[] = {
2447 { "h", 0, {(void*)opt_show_help
}, "show help" },
2448 { "x", HAS_ARG
, {(void*)opt_width
}, "force displayed width", "width" },
2449 { "y", HAS_ARG
, {(void*)opt_height
}, "force displayed height", "height" },
2450 { "s", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_size
}, "set frame size (WxH or abbreviation)", "size" },
2451 { "fs", OPT_BOOL
, {(void*)&is_full_screen
}, "force full screen" },
2452 { "an", OPT_BOOL
, {(void*)&audio_disable
}, "disable audio" },
2453 { "vn", OPT_BOOL
, {(void*)&video_disable
}, "disable video" },
2454 { "ast", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&wanted_audio_stream
}, "", "" },
2455 { "vst", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&wanted_video_stream
}, "", "" },
2456 { "ss", HAS_ARG
, {(void*)&opt_seek
}, "seek to a given position in seconds", "pos" },
2457 { "bytes", OPT_BOOL
, {(void*)&seek_by_bytes
}, "seek by bytes" },
2458 { "nodisp", OPT_BOOL
, {(void*)&display_disable
}, "disable graphical display" },
2459 { "f", HAS_ARG
, {(void*)opt_format
}, "force format", "fmt" },
2460 { "pix_fmt", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_frame_pix_fmt
}, "set pixel format", "format" },
2461 { "stats", OPT_BOOL
| OPT_EXPERT
, {(void*)&show_status
}, "show status", "" },
2462 { "debug", HAS_ARG
| OPT_EXPERT
, {(void*)opt_debug
}, "print specific debug info", "" },
2463 { "bug", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&workaround_bugs
}, "workaround bugs", "" },
2464 { "vismv", HAS_ARG
| OPT_EXPERT
, {(void*)opt_vismv
}, "visualize motion vectors", "" },
2465 { "fast", OPT_BOOL
| OPT_EXPERT
, {(void*)&fast
}, "non spec compliant optimizations", "" },
2466 { "genpts", OPT_BOOL
| OPT_EXPERT
, {(void*)&genpts
}, "generate pts", "" },
2467 { "drp", OPT_BOOL
|OPT_EXPERT
, {(void*)&decoder_reorder_pts
}, "let decoder reorder pts", ""},
2468 { "lowres", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&lowres
}, "", "" },
2469 { "skiploop", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_loop_filter
}, "", "" },
2470 { "skipframe", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_frame
}, "", "" },
2471 { "skipidct", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_idct
}, "", "" },
2472 { "idct", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&idct
}, "set idct algo", "algo" },
2473 { "er", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&error_resilience
}, "set error detection threshold (0-4)", "threshold" },
2474 { "ec", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&error_concealment
}, "set error concealment options", "bit_mask" },
2475 #ifdef CONFIG_RTSP_DEMUXER
2476 { "rtp_tcp", OPT_EXPERT
, {(void*)&opt_rtp_tcp
}, "force RTP/TCP protocol usage", "" },
2478 { "sync", HAS_ARG
| OPT_EXPERT
, {(void*)opt_sync
}, "set audio-video sync. type (type=audio/video/ext)", "type" },
2479 { "threads", HAS_ARG
| OPT_EXPERT
, {(void*)opt_thread_count
}, "thread count", "count" },
2483 void show_help(void)
2485 printf("usage: ffplay [options] input_file\n"
2486 "Simple media player\n");
2488 show_help_options(options
, "Main options:\n",
2490 show_help_options(options
, "\nAdvanced options:\n",
2491 OPT_EXPERT
, OPT_EXPERT
);
2492 printf("\nWhile playing:\n"
2494 "f toggle full screen\n"
2496 "a cycle audio channel\n"
2497 "v cycle video channel\n"
2498 "t cycle subtitle channel\n"
2499 "w show audio waves\n"
2500 "left/right seek backward/forward 10 seconds\n"
2501 "down/up seek backward/forward 1 minute\n"
2502 "mouse click seek to percentage in file corresponding to fraction of width\n"
2506 void opt_input_file(const char *filename
)
2508 if (!strcmp(filename
, "-"))
2510 input_filename
= filename
;
2513 /* Called from the main */
2514 int main(int argc
, char **argv
)
2518 /* register all codecs, demux and protocols */
2521 show_banner(program_name
, program_birth_year
);
2523 parse_options(argc
, argv
, options
, opt_input_file
);
2525 if (!input_filename
) {
2530 if (display_disable
) {
2533 flags
= SDL_INIT_VIDEO
| SDL_INIT_AUDIO
| SDL_INIT_TIMER
;
2534 #if !defined(__MINGW32__) && !defined(__APPLE__)
2535 flags
|= SDL_INIT_EVENTTHREAD
; /* Not supported on Windows or Mac OS X */
2537 if (SDL_Init (flags
)) {
2538 fprintf(stderr
, "Could not initialize SDL - %s\n", SDL_GetError());
2542 if (!display_disable
) {
2543 #ifdef HAVE_SDL_VIDEO_SIZE
2544 const SDL_VideoInfo
*vi
= SDL_GetVideoInfo();
2545 fs_screen_width
= vi
->current_w
;
2546 fs_screen_height
= vi
->current_h
;
2550 SDL_EventState(SDL_ACTIVEEVENT
, SDL_IGNORE
);
2551 SDL_EventState(SDL_MOUSEMOTION
, SDL_IGNORE
);
2552 SDL_EventState(SDL_SYSWMEVENT
, SDL_IGNORE
);
2553 SDL_EventState(SDL_USEREVENT
, SDL_IGNORE
);
2555 av_init_packet(&flush_pkt
);
2556 flush_pkt
.data
= "FLUSH";
2558 cur_stream
= stream_open(input_filename
, file_iformat
);