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
32 #include <SDL_thread.h>
35 #undef main /* We don't want SDL to override our main() */
42 #define MAX_VIDEOQ_SIZE (5 * 256 * 1024)
43 #define MAX_AUDIOQ_SIZE (5 * 16 * 1024)
44 #define MAX_SUBTITLEQ_SIZE (5 * 16 * 1024)
46 /* SDL audio buffer size, in samples. Should be small to have precise
47 A/V sync as SDL does not have hardware buffer fullness info. */
48 #define SDL_AUDIO_BUFFER_SIZE 1024
50 /* no AV sync correction is done if below the AV sync threshold */
51 #define AV_SYNC_THRESHOLD 0.01
52 /* no AV correction is done if too big error */
53 #define AV_NOSYNC_THRESHOLD 10.0
55 /* maximum audio speed change to get correct sync */
56 #define SAMPLE_CORRECTION_PERCENT_MAX 10
58 /* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
59 #define AUDIO_DIFF_AVG_NB 20
61 /* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
62 #define SAMPLE_ARRAY_SIZE (2*65536)
64 static int sws_flags
= SWS_BICUBIC
;
66 typedef struct PacketQueue
{
67 AVPacketList
*first_pkt
, *last_pkt
;
75 #define VIDEO_PICTURE_QUEUE_SIZE 1
76 #define SUBPICTURE_QUEUE_SIZE 4
78 typedef struct VideoPicture
{
79 double pts
; ///<presentation time stamp for this picture
81 int width
, height
; /* source height & width */
85 typedef struct SubPicture
{
86 double pts
; /* presentation time stamp for this picture */
91 AV_SYNC_AUDIO_MASTER
, /* default choice */
93 AV_SYNC_EXTERNAL_CLOCK
, /* synchronize to an external clock */
96 typedef struct VideoState
{
97 SDL_Thread
*parse_tid
;
98 SDL_Thread
*video_tid
;
99 AVInputFormat
*iformat
;
108 int dtg_active_format
;
113 double external_clock
; /* external clock base */
114 int64_t external_clock_time
;
117 double audio_diff_cum
; /* used for AV difference average computation */
118 double audio_diff_avg_coef
;
119 double audio_diff_threshold
;
120 int audio_diff_avg_count
;
123 int audio_hw_buf_size
;
124 /* samples output by the codec. we reserve more space for avsync
126 DECLARE_ALIGNED(16,uint8_t,audio_buf
[(AVCODEC_MAX_AUDIO_FRAME_SIZE
* 3) / 2]);
127 unsigned int audio_buf_size
; /* in bytes */
128 int audio_buf_index
; /* in bytes */
130 uint8_t *audio_pkt_data
;
133 int show_audio
; /* if true, display audio samples */
134 int16_t sample_array
[SAMPLE_ARRAY_SIZE
];
135 int sample_array_index
;
138 SDL_Thread
*subtitle_tid
;
140 int subtitle_stream_changed
;
141 AVStream
*subtitle_st
;
142 PacketQueue subtitleq
;
143 SubPicture subpq
[SUBPICTURE_QUEUE_SIZE
];
144 int subpq_size
, subpq_rindex
, subpq_windex
;
145 SDL_mutex
*subpq_mutex
;
146 SDL_cond
*subpq_cond
;
149 double frame_last_pts
;
150 double frame_last_delay
;
151 double video_clock
; ///<pts of last decoded frame / predicted pts of next decoded frame
155 double video_current_pts
; ///<current displayed pts (different from video_clock if frame fifos are used)
156 int64_t video_current_pts_time
; ///<time (av_gettime) at which we updated video_current_pts - used to have running video pts
157 VideoPicture pictq
[VIDEO_PICTURE_QUEUE_SIZE
];
158 int pictq_size
, pictq_rindex
, pictq_windex
;
159 SDL_mutex
*pictq_mutex
;
160 SDL_cond
*pictq_cond
;
162 // QETimer *video_timer;
164 int width
, height
, xleft
, ytop
;
167 void show_help(void);
168 static int audio_write_get_buf_size(VideoState
*is
);
170 /* options specified by the user */
171 static AVInputFormat
*file_iformat
;
172 static const char *input_filename
;
173 static int fs_screen_width
;
174 static int fs_screen_height
;
175 static int screen_width
= 0;
176 static int screen_height
= 0;
177 static int frame_width
= 0;
178 static int frame_height
= 0;
179 static enum PixelFormat frame_pix_fmt
= PIX_FMT_NONE
;
180 static int audio_disable
;
181 static int video_disable
;
182 static int wanted_audio_stream
= 0;
183 static int wanted_video_stream
= 0;
184 static int seek_by_bytes
;
185 static int display_disable
;
186 static int show_status
;
187 static int av_sync_type
= AV_SYNC_AUDIO_MASTER
;
188 static int64_t start_time
= AV_NOPTS_VALUE
;
189 static int debug
= 0;
190 static int debug_mv
= 0;
192 static int thread_count
= 1;
193 static int workaround_bugs
= 1;
195 static int genpts
= 0;
196 static int lowres
= 0;
197 static int idct
= FF_IDCT_AUTO
;
198 static enum AVDiscard skip_frame
= AVDISCARD_DEFAULT
;
199 static enum AVDiscard skip_idct
= AVDISCARD_DEFAULT
;
200 static enum AVDiscard skip_loop_filter
= AVDISCARD_DEFAULT
;
201 static int error_resilience
= FF_ER_CAREFUL
;
202 static int error_concealment
= 3;
203 static int decoder_reorder_pts
= 0;
205 /* current context */
206 static int is_full_screen
;
207 static VideoState
*cur_stream
;
208 static int64_t audio_callback_time
;
212 #define FF_ALLOC_EVENT (SDL_USEREVENT)
213 #define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
214 #define FF_QUIT_EVENT (SDL_USEREVENT + 2)
218 /* packet queue handling */
219 static void packet_queue_init(PacketQueue
*q
)
221 memset(q
, 0, sizeof(PacketQueue
));
222 q
->mutex
= SDL_CreateMutex();
223 q
->cond
= SDL_CreateCond();
226 static void packet_queue_flush(PacketQueue
*q
)
228 AVPacketList
*pkt
, *pkt1
;
230 SDL_LockMutex(q
->mutex
);
231 for(pkt
= q
->first_pkt
; pkt
!= NULL
; pkt
= pkt1
) {
233 av_free_packet(&pkt
->pkt
);
240 SDL_UnlockMutex(q
->mutex
);
243 static void packet_queue_end(PacketQueue
*q
)
245 packet_queue_flush(q
);
246 SDL_DestroyMutex(q
->mutex
);
247 SDL_DestroyCond(q
->cond
);
250 static int packet_queue_put(PacketQueue
*q
, AVPacket
*pkt
)
254 /* duplicate the packet */
255 if (pkt
!=&flush_pkt
&& av_dup_packet(pkt
) < 0)
258 pkt1
= av_malloc(sizeof(AVPacketList
));
265 SDL_LockMutex(q
->mutex
);
271 q
->last_pkt
->next
= pkt1
;
274 q
->size
+= pkt1
->pkt
.size
;
275 /* XXX: should duplicate packet data in DV case */
276 SDL_CondSignal(q
->cond
);
278 SDL_UnlockMutex(q
->mutex
);
282 static void packet_queue_abort(PacketQueue
*q
)
284 SDL_LockMutex(q
->mutex
);
286 q
->abort_request
= 1;
288 SDL_CondSignal(q
->cond
);
290 SDL_UnlockMutex(q
->mutex
);
293 /* return < 0 if aborted, 0 if no packet and > 0 if packet. */
294 static int packet_queue_get(PacketQueue
*q
, AVPacket
*pkt
, int block
)
299 SDL_LockMutex(q
->mutex
);
302 if (q
->abort_request
) {
309 q
->first_pkt
= pkt1
->next
;
313 q
->size
-= pkt1
->pkt
.size
;
322 SDL_CondWait(q
->cond
, q
->mutex
);
325 SDL_UnlockMutex(q
->mutex
);
329 static inline void fill_rectangle(SDL_Surface
*screen
,
330 int x
, int y
, int w
, int h
, int color
)
337 SDL_FillRect(screen
, &rect
, color
);
341 /* draw only the border of a rectangle */
342 void fill_border(VideoState
*s
, int x
, int y
, int w
, int h
, int color
)
346 /* fill the background */
350 w2
= s
->width
- (x
+ w
);
356 h2
= s
->height
- (y
+ h
);
359 fill_rectangle(screen
,
363 fill_rectangle(screen
,
364 s
->xleft
+ s
->width
- w2
, s
->ytop
,
367 fill_rectangle(screen
,
368 s
->xleft
+ w1
, s
->ytop
,
369 s
->width
- w1
- w2
, h1
,
371 fill_rectangle(screen
,
372 s
->xleft
+ w1
, s
->ytop
+ s
->height
- h2
,
373 s
->width
- w1
- w2
, h2
,
381 #define ONE_HALF (1 << (SCALEBITS - 1))
382 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
384 #define RGB_TO_Y_CCIR(r, g, b) \
385 ((FIX(0.29900*219.0/255.0) * (r) + FIX(0.58700*219.0/255.0) * (g) + \
386 FIX(0.11400*219.0/255.0) * (b) + (ONE_HALF + (16 << SCALEBITS))) >> SCALEBITS)
388 #define RGB_TO_U_CCIR(r1, g1, b1, shift)\
389 (((- FIX(0.16874*224.0/255.0) * r1 - FIX(0.33126*224.0/255.0) * g1 + \
390 FIX(0.50000*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
392 #define RGB_TO_V_CCIR(r1, g1, b1, shift)\
393 (((FIX(0.50000*224.0/255.0) * r1 - FIX(0.41869*224.0/255.0) * g1 - \
394 FIX(0.08131*224.0/255.0) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
396 #define ALPHA_BLEND(a, oldp, newp, s)\
397 ((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
399 #define RGBA_IN(r, g, b, a, s)\
401 unsigned int v = ((const uint32_t *)(s))[0];\
402 a = (v >> 24) & 0xff;\
403 r = (v >> 16) & 0xff;\
404 g = (v >> 8) & 0xff;\
408 #define YUVA_IN(y, u, v, a, s, pal)\
410 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)s];\
411 a = (val >> 24) & 0xff;\
412 y = (val >> 16) & 0xff;\
413 u = (val >> 8) & 0xff;\
417 #define YUVA_OUT(d, y, u, v, a)\
419 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
425 static void blend_subrect(AVPicture
*dst
, const AVSubtitleRect
*rect
)
427 int wrap
, wrap3
, width2
, skip2
;
428 int y
, u
, v
, a
, u1
, v1
, a1
, w
, h
;
429 uint8_t *lum
, *cb
, *cr
;
433 lum
= dst
->data
[0] + rect
->y
* dst
->linesize
[0];
434 cb
= dst
->data
[1] + (rect
->y
>> 1) * dst
->linesize
[1];
435 cr
= dst
->data
[2] + (rect
->y
>> 1) * dst
->linesize
[2];
437 width2
= (rect
->w
+ 1) >> 1;
438 skip2
= rect
->x
>> 1;
439 wrap
= dst
->linesize
[0];
440 wrap3
= rect
->linesize
;
442 pal
= rect
->rgba_palette
; /* Now in YCrCb! */
450 YUVA_IN(y
, u
, v
, a
, p
, pal
);
451 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
452 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
453 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
459 for(w
= rect
->w
- (rect
->x
& 1); w
>= 2; w
-= 2) {
460 YUVA_IN(y
, u
, v
, a
, p
, pal
);
464 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
466 YUVA_IN(y
, u
, v
, a
, p
+ BPP
, pal
);
470 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
471 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
472 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
479 YUVA_IN(y
, u
, v
, a
, p
, pal
);
480 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
481 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
482 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
484 p
+= wrap3
+ (wrap3
- rect
->w
* BPP
);
485 lum
+= wrap
+ (wrap
- rect
->w
- rect
->x
);
486 cb
+= dst
->linesize
[1] - width2
- skip2
;
487 cr
+= dst
->linesize
[2] - width2
- skip2
;
489 for(h
= rect
->h
- (rect
->y
& 1); h
>= 2; h
-= 2) {
495 YUVA_IN(y
, u
, v
, a
, p
, pal
);
499 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
502 YUVA_IN(y
, u
, v
, a
, p
, pal
);
506 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
507 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
508 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
514 for(w
= rect
->w
- (rect
->x
& 1); w
>= 2; w
-= 2) {
515 YUVA_IN(y
, u
, v
, a
, p
, pal
);
519 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
521 YUVA_IN(y
, u
, v
, a
, p
, pal
);
525 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
529 YUVA_IN(y
, u
, v
, a
, p
, pal
);
533 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
535 YUVA_IN(y
, u
, v
, a
, p
, pal
);
539 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
541 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 2);
542 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 2);
546 p
+= -wrap3
+ 2 * BPP
;
550 YUVA_IN(y
, u
, v
, a
, p
, pal
);
554 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
557 YUVA_IN(y
, u
, v
, a
, p
, pal
);
561 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
562 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
563 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
569 p
+= wrap3
+ (wrap3
- rect
->w
* BPP
);
570 lum
+= wrap
+ (wrap
- rect
->w
- rect
->x
);
571 cb
+= dst
->linesize
[1] - width2
- skip2
;
572 cr
+= dst
->linesize
[2] - width2
- skip2
;
574 /* handle odd height */
581 YUVA_IN(y
, u
, v
, a
, p
, pal
);
582 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
583 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
584 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
590 for(w
= rect
->w
- (rect
->x
& 1); w
>= 2; w
-= 2) {
591 YUVA_IN(y
, u
, v
, a
, p
, pal
);
595 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
597 YUVA_IN(y
, u
, v
, a
, p
+ BPP
, pal
);
601 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
602 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u
, 1);
603 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v
, 1);
610 YUVA_IN(y
, u
, v
, a
, p
, pal
);
611 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
612 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
613 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
618 static void free_subpicture(SubPicture
*sp
)
622 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
624 av_free(sp
->sub
.rects
[i
].bitmap
);
625 av_free(sp
->sub
.rects
[i
].rgba_palette
);
628 av_free(sp
->sub
.rects
);
630 memset(&sp
->sub
, 0, sizeof(AVSubtitle
));
633 static void video_image_display(VideoState
*is
)
639 int width
, height
, x
, y
;
643 vp
= &is
->pictq
[is
->pictq_rindex
];
645 /* XXX: use variable in the frame */
646 if (is
->video_st
->codec
->sample_aspect_ratio
.num
== 0)
649 aspect_ratio
= av_q2d(is
->video_st
->codec
->sample_aspect_ratio
)
650 * is
->video_st
->codec
->width
/ is
->video_st
->codec
->height
;;
651 if (aspect_ratio
<= 0.0)
652 aspect_ratio
= (float)is
->video_st
->codec
->width
/
653 (float)is
->video_st
->codec
->height
;
654 /* if an active format is indicated, then it overrides the
657 if (is
->video_st
->codec
->dtg_active_format
!= is
->dtg_active_format
) {
658 is
->dtg_active_format
= is
->video_st
->codec
->dtg_active_format
;
659 printf("dtg_active_format=%d\n", is
->dtg_active_format
);
663 switch(is
->video_st
->codec
->dtg_active_format
) {
664 case FF_DTG_AFD_SAME
:
669 aspect_ratio
= 4.0 / 3.0;
671 case FF_DTG_AFD_16_9
:
672 aspect_ratio
= 16.0 / 9.0;
674 case FF_DTG_AFD_14_9
:
675 aspect_ratio
= 14.0 / 9.0;
677 case FF_DTG_AFD_4_3_SP_14_9
:
678 aspect_ratio
= 14.0 / 9.0;
680 case FF_DTG_AFD_16_9_SP_14_9
:
681 aspect_ratio
= 14.0 / 9.0;
683 case FF_DTG_AFD_SP_4_3
:
684 aspect_ratio
= 4.0 / 3.0;
691 if (is
->subpq_size
> 0)
693 sp
= &is
->subpq
[is
->subpq_rindex
];
695 if (vp
->pts
>= sp
->pts
+ ((float) sp
->sub
.start_display_time
/ 1000))
697 SDL_LockYUVOverlay (vp
->bmp
);
699 pict
.data
[0] = vp
->bmp
->pixels
[0];
700 pict
.data
[1] = vp
->bmp
->pixels
[2];
701 pict
.data
[2] = vp
->bmp
->pixels
[1];
703 pict
.linesize
[0] = vp
->bmp
->pitches
[0];
704 pict
.linesize
[1] = vp
->bmp
->pitches
[2];
705 pict
.linesize
[2] = vp
->bmp
->pitches
[1];
707 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
708 blend_subrect(&pict
, &sp
->sub
.rects
[i
]);
710 SDL_UnlockYUVOverlay (vp
->bmp
);
716 /* XXX: we suppose the screen has a 1.0 pixel ratio */
718 width
= ((int)rint(height
* aspect_ratio
)) & -3;
719 if (width
> is
->width
) {
721 height
= ((int)rint(width
/ aspect_ratio
)) & -3;
723 x
= (is
->width
- width
) / 2;
724 y
= (is
->height
- height
) / 2;
725 if (!is
->no_background
) {
726 /* fill the background */
727 // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
729 is
->no_background
= 0;
731 rect
.x
= is
->xleft
+ x
;
732 rect
.y
= is
->ytop
+ y
;
735 SDL_DisplayYUVOverlay(vp
->bmp
, &rect
);
738 fill_rectangle(screen
,
739 is
->xleft
, is
->ytop
, is
->width
, is
->height
,
740 QERGB(0x00, 0x00, 0x00));
745 static inline int compute_mod(int a
, int b
)
754 static void video_audio_display(VideoState
*s
)
756 int i
, i_start
, x
, y1
, y
, ys
, delay
, n
, nb_display_channels
;
757 int ch
, channels
, h
, h2
, bgcolor
, fgcolor
;
760 /* compute display index : center on currently output samples */
761 channels
= s
->audio_st
->codec
->channels
;
762 nb_display_channels
= channels
;
765 delay
= audio_write_get_buf_size(s
);
768 /* to be more precise, we take into account the time spent since
769 the last buffer computation */
770 if (audio_callback_time
) {
771 time_diff
= av_gettime() - audio_callback_time
;
772 delay
+= (time_diff
* s
->audio_st
->codec
->sample_rate
) / 1000000;
775 delay
-= s
->width
/ 2;
776 if (delay
< s
->width
)
779 i_start
= x
= compute_mod(s
->sample_array_index
- delay
* channels
, SAMPLE_ARRAY_SIZE
);
782 for(i
=0; i
<1000; i
+=channels
){
783 int idx
= (SAMPLE_ARRAY_SIZE
+ x
- i
) % SAMPLE_ARRAY_SIZE
;
784 int a
= s
->sample_array
[idx
];
785 int b
= s
->sample_array
[(idx
+ 4*channels
)%SAMPLE_ARRAY_SIZE
];
786 int c
= s
->sample_array
[(idx
+ 5*channels
)%SAMPLE_ARRAY_SIZE
];
787 int d
= s
->sample_array
[(idx
+ 9*channels
)%SAMPLE_ARRAY_SIZE
];
789 if(h
<score
&& (b
^c
)<0){
795 s
->last_i_start
= i_start
;
797 i_start
= s
->last_i_start
;
800 bgcolor
= SDL_MapRGB(screen
->format
, 0x00, 0x00, 0x00);
801 fill_rectangle(screen
,
802 s
->xleft
, s
->ytop
, s
->width
, s
->height
,
805 fgcolor
= SDL_MapRGB(screen
->format
, 0xff, 0xff, 0xff);
807 /* total height for one channel */
808 h
= s
->height
/ nb_display_channels
;
809 /* graph height / 2 */
811 for(ch
= 0;ch
< nb_display_channels
; ch
++) {
813 y1
= s
->ytop
+ ch
* h
+ (h
/ 2); /* position of center line */
814 for(x
= 0; x
< s
->width
; x
++) {
815 y
= (s
->sample_array
[i
] * h2
) >> 15;
822 fill_rectangle(screen
,
823 s
->xleft
+ x
, ys
, 1, y
,
826 if (i
>= SAMPLE_ARRAY_SIZE
)
827 i
-= SAMPLE_ARRAY_SIZE
;
831 fgcolor
= SDL_MapRGB(screen
->format
, 0x00, 0x00, 0xff);
833 for(ch
= 1;ch
< nb_display_channels
; ch
++) {
834 y
= s
->ytop
+ ch
* h
;
835 fill_rectangle(screen
,
836 s
->xleft
, y
, s
->width
, 1,
839 SDL_UpdateRect(screen
, s
->xleft
, s
->ytop
, s
->width
, s
->height
);
842 static int video_open(VideoState
*is
){
843 int flags
= SDL_HWSURFACE
|SDL_ASYNCBLIT
|SDL_HWACCEL
;
846 if(is_full_screen
) flags
|= SDL_FULLSCREEN
;
847 else flags
|= SDL_RESIZABLE
;
849 if (is_full_screen
&& fs_screen_width
) {
851 h
= fs_screen_height
;
852 } else if(!is_full_screen
&& screen_width
){
855 }else if (is
->video_st
&& is
->video_st
->codec
->width
){
856 w
= is
->video_st
->codec
->width
;
857 h
= is
->video_st
->codec
->height
;
862 #ifndef CONFIG_DARWIN
863 screen
= SDL_SetVideoMode(w
, h
, 0, flags
);
865 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
866 screen
= SDL_SetVideoMode(w
, h
, 24, flags
);
869 fprintf(stderr
, "SDL: could not set video mode - exiting\n");
872 SDL_WM_SetCaption("FFplay", "FFplay");
874 is
->width
= screen
->w
;
875 is
->height
= screen
->h
;
880 /* display the current picture, if any */
881 static void video_display(VideoState
*is
)
884 video_open(cur_stream
);
885 if (is
->audio_st
&& is
->show_audio
)
886 video_audio_display(is
);
887 else if (is
->video_st
)
888 video_image_display(is
);
891 static Uint32
sdl_refresh_timer_cb(Uint32 interval
, void *opaque
)
894 event
.type
= FF_REFRESH_EVENT
;
895 event
.user
.data1
= opaque
;
896 SDL_PushEvent(&event
);
897 return 0; /* 0 means stop timer */
900 /* schedule a video refresh in 'delay' ms */
901 static void schedule_refresh(VideoState
*is
, int delay
)
903 SDL_AddTimer(delay
, sdl_refresh_timer_cb
, is
);
906 /* get the current audio clock value */
907 static double get_audio_clock(VideoState
*is
)
910 int hw_buf_size
, bytes_per_sec
;
911 pts
= is
->audio_clock
;
912 hw_buf_size
= audio_write_get_buf_size(is
);
915 bytes_per_sec
= is
->audio_st
->codec
->sample_rate
*
916 2 * is
->audio_st
->codec
->channels
;
919 pts
-= (double)hw_buf_size
/ bytes_per_sec
;
923 /* get the current video clock value */
924 static double get_video_clock(VideoState
*is
)
930 delta
= (av_gettime() - is
->video_current_pts_time
) / 1000000.0;
932 return is
->video_current_pts
+ delta
;
935 /* get the current external clock value */
936 static double get_external_clock(VideoState
*is
)
940 return is
->external_clock
+ ((ti
- is
->external_clock_time
) * 1e-6);
943 /* get the current master clock value */
944 static double get_master_clock(VideoState
*is
)
948 if (is
->av_sync_type
== AV_SYNC_VIDEO_MASTER
) {
950 val
= get_video_clock(is
);
952 val
= get_audio_clock(is
);
953 } else if (is
->av_sync_type
== AV_SYNC_AUDIO_MASTER
) {
955 val
= get_audio_clock(is
);
957 val
= get_video_clock(is
);
959 val
= get_external_clock(is
);
964 /* seek in the stream */
965 static void stream_seek(VideoState
*is
, int64_t pos
, int rel
)
969 is
->seek_flags
= rel
< 0 ? AVSEEK_FLAG_BACKWARD
: 0;
971 is
->seek_flags
|= AVSEEK_FLAG_BYTE
;
976 /* pause or resume the video */
977 static void stream_pause(VideoState
*is
)
979 is
->paused
= !is
->paused
;
981 is
->video_current_pts
= get_video_clock(is
);
982 is
->frame_timer
+= (av_gettime() - is
->video_current_pts_time
) / 1000000.0;
986 /* called to display each frame */
987 static void video_refresh_timer(void *opaque
)
989 VideoState
*is
= opaque
;
991 double actual_delay
, delay
, sync_threshold
, ref_clock
, diff
;
993 SubPicture
*sp
, *sp2
;
996 if (is
->pictq_size
== 0) {
997 /* if no picture, need to wait */
998 schedule_refresh(is
, 1);
1000 /* dequeue the picture */
1001 vp
= &is
->pictq
[is
->pictq_rindex
];
1003 /* update current video pts */
1004 is
->video_current_pts
= vp
->pts
;
1005 is
->video_current_pts_time
= av_gettime();
1007 /* compute nominal delay */
1008 delay
= vp
->pts
- is
->frame_last_pts
;
1009 if (delay
<= 0 || delay
>= 1.0) {
1010 /* if incorrect delay, use previous one */
1011 delay
= is
->frame_last_delay
;
1013 is
->frame_last_delay
= delay
;
1014 is
->frame_last_pts
= vp
->pts
;
1016 /* update delay to follow master synchronisation source */
1017 if (((is
->av_sync_type
== AV_SYNC_AUDIO_MASTER
&& is
->audio_st
) ||
1018 is
->av_sync_type
== AV_SYNC_EXTERNAL_CLOCK
)) {
1019 /* if video is slave, we try to correct big delays by
1020 duplicating or deleting a frame */
1021 ref_clock
= get_master_clock(is
);
1022 diff
= vp
->pts
- ref_clock
;
1024 /* skip or repeat frame. We take into account the
1025 delay to compute the threshold. I still don't know
1026 if it is the best guess */
1027 sync_threshold
= AV_SYNC_THRESHOLD
;
1028 if (delay
> sync_threshold
)
1029 sync_threshold
= delay
;
1030 if (fabs(diff
) < AV_NOSYNC_THRESHOLD
) {
1031 if (diff
<= -sync_threshold
)
1033 else if (diff
>= sync_threshold
)
1038 is
->frame_timer
+= delay
;
1039 /* compute the REAL delay (we need to do that to avoid
1041 actual_delay
= is
->frame_timer
- (av_gettime() / 1000000.0);
1042 if (actual_delay
< 0.010) {
1043 /* XXX: should skip picture */
1044 actual_delay
= 0.010;
1046 /* launch timer for next picture */
1047 schedule_refresh(is
, (int)(actual_delay
* 1000 + 0.5));
1049 #if defined(DEBUG_SYNC)
1050 printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1051 delay
, actual_delay
, vp
->pts
, -diff
);
1054 if(is
->subtitle_st
) {
1055 if (is
->subtitle_stream_changed
) {
1056 SDL_LockMutex(is
->subpq_mutex
);
1058 while (is
->subpq_size
) {
1059 free_subpicture(&is
->subpq
[is
->subpq_rindex
]);
1061 /* update queue size and signal for next picture */
1062 if (++is
->subpq_rindex
== SUBPICTURE_QUEUE_SIZE
)
1063 is
->subpq_rindex
= 0;
1067 is
->subtitle_stream_changed
= 0;
1069 SDL_CondSignal(is
->subpq_cond
);
1070 SDL_UnlockMutex(is
->subpq_mutex
);
1072 if (is
->subpq_size
> 0) {
1073 sp
= &is
->subpq
[is
->subpq_rindex
];
1075 if (is
->subpq_size
> 1)
1076 sp2
= &is
->subpq
[(is
->subpq_rindex
+ 1) % SUBPICTURE_QUEUE_SIZE
];
1080 if ((is
->video_current_pts
> (sp
->pts
+ ((float) sp
->sub
.end_display_time
/ 1000)))
1081 || (sp2
&& is
->video_current_pts
> (sp2
->pts
+ ((float) sp2
->sub
.start_display_time
/ 1000))))
1083 free_subpicture(sp
);
1085 /* update queue size and signal for next picture */
1086 if (++is
->subpq_rindex
== SUBPICTURE_QUEUE_SIZE
)
1087 is
->subpq_rindex
= 0;
1089 SDL_LockMutex(is
->subpq_mutex
);
1091 SDL_CondSignal(is
->subpq_cond
);
1092 SDL_UnlockMutex(is
->subpq_mutex
);
1098 /* display picture */
1101 /* update queue size and signal for next picture */
1102 if (++is
->pictq_rindex
== VIDEO_PICTURE_QUEUE_SIZE
)
1103 is
->pictq_rindex
= 0;
1105 SDL_LockMutex(is
->pictq_mutex
);
1107 SDL_CondSignal(is
->pictq_cond
);
1108 SDL_UnlockMutex(is
->pictq_mutex
);
1110 } else if (is
->audio_st
) {
1111 /* draw the next audio frame */
1113 schedule_refresh(is
, 40);
1115 /* if only audio stream, then display the audio bars (better
1116 than nothing, just to test the implementation */
1118 /* display picture */
1121 schedule_refresh(is
, 100);
1124 static int64_t last_time
;
1126 int aqsize
, vqsize
, sqsize
;
1129 cur_time
= av_gettime();
1130 if (!last_time
|| (cur_time
- last_time
) >= 500 * 1000) {
1135 aqsize
= is
->audioq
.size
;
1137 vqsize
= is
->videoq
.size
;
1138 if (is
->subtitle_st
)
1139 sqsize
= is
->subtitleq
.size
;
1141 if (is
->audio_st
&& is
->video_st
)
1142 av_diff
= get_audio_clock(is
) - get_video_clock(is
);
1143 printf("%7.2f A-V:%7.3f aq=%5dKB vq=%5dKB sq=%5dB \r",
1144 get_master_clock(is
), av_diff
, aqsize
/ 1024, vqsize
/ 1024, sqsize
);
1146 last_time
= cur_time
;
1151 /* allocate a picture (needs to do that in main thread to avoid
1152 potential locking problems */
1153 static void alloc_picture(void *opaque
)
1155 VideoState
*is
= opaque
;
1158 vp
= &is
->pictq
[is
->pictq_windex
];
1161 SDL_FreeYUVOverlay(vp
->bmp
);
1164 /* XXX: use generic function */
1165 /* XXX: disable overlay if no hardware acceleration or if RGB format */
1166 switch(is
->video_st
->codec
->pix_fmt
) {
1167 case PIX_FMT_YUV420P
:
1168 case PIX_FMT_YUV422P
:
1169 case PIX_FMT_YUV444P
:
1170 case PIX_FMT_YUYV422
:
1171 case PIX_FMT_YUV410P
:
1172 case PIX_FMT_YUV411P
:
1180 vp
->bmp
= SDL_CreateYUVOverlay(is
->video_st
->codec
->width
,
1181 is
->video_st
->codec
->height
,
1184 vp
->width
= is
->video_st
->codec
->width
;
1185 vp
->height
= is
->video_st
->codec
->height
;
1187 SDL_LockMutex(is
->pictq_mutex
);
1189 SDL_CondSignal(is
->pictq_cond
);
1190 SDL_UnlockMutex(is
->pictq_mutex
);
1195 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1197 static int queue_picture(VideoState
*is
, AVFrame
*src_frame
, double pts
)
1202 static struct SwsContext
*img_convert_ctx
;
1204 /* wait until we have space to put a new picture */
1205 SDL_LockMutex(is
->pictq_mutex
);
1206 while (is
->pictq_size
>= VIDEO_PICTURE_QUEUE_SIZE
&&
1207 !is
->videoq
.abort_request
) {
1208 SDL_CondWait(is
->pictq_cond
, is
->pictq_mutex
);
1210 SDL_UnlockMutex(is
->pictq_mutex
);
1212 if (is
->videoq
.abort_request
)
1215 vp
= &is
->pictq
[is
->pictq_windex
];
1217 /* alloc or resize hardware picture buffer */
1219 vp
->width
!= is
->video_st
->codec
->width
||
1220 vp
->height
!= is
->video_st
->codec
->height
) {
1225 /* the allocation must be done in the main thread to avoid
1227 event
.type
= FF_ALLOC_EVENT
;
1228 event
.user
.data1
= is
;
1229 SDL_PushEvent(&event
);
1231 /* wait until the picture is allocated */
1232 SDL_LockMutex(is
->pictq_mutex
);
1233 while (!vp
->allocated
&& !is
->videoq
.abort_request
) {
1234 SDL_CondWait(is
->pictq_cond
, is
->pictq_mutex
);
1236 SDL_UnlockMutex(is
->pictq_mutex
);
1238 if (is
->videoq
.abort_request
)
1242 /* if the frame is not skipped, then display it */
1244 /* get a pointer on the bitmap */
1245 SDL_LockYUVOverlay (vp
->bmp
);
1247 dst_pix_fmt
= PIX_FMT_YUV420P
;
1248 pict
.data
[0] = vp
->bmp
->pixels
[0];
1249 pict
.data
[1] = vp
->bmp
->pixels
[2];
1250 pict
.data
[2] = vp
->bmp
->pixels
[1];
1252 pict
.linesize
[0] = vp
->bmp
->pitches
[0];
1253 pict
.linesize
[1] = vp
->bmp
->pitches
[2];
1254 pict
.linesize
[2] = vp
->bmp
->pitches
[1];
1255 img_convert_ctx
= sws_getCachedContext(img_convert_ctx
,
1256 is
->video_st
->codec
->width
, is
->video_st
->codec
->height
,
1257 is
->video_st
->codec
->pix_fmt
,
1258 is
->video_st
->codec
->width
, is
->video_st
->codec
->height
,
1259 dst_pix_fmt
, sws_flags
, NULL
, NULL
, NULL
);
1260 if (img_convert_ctx
== NULL
) {
1261 fprintf(stderr
, "Cannot initialize the conversion context\n");
1264 sws_scale(img_convert_ctx
, src_frame
->data
, src_frame
->linesize
,
1265 0, is
->video_st
->codec
->height
, pict
.data
, pict
.linesize
);
1266 /* update the bitmap content */
1267 SDL_UnlockYUVOverlay(vp
->bmp
);
1271 /* now we can update the picture count */
1272 if (++is
->pictq_windex
== VIDEO_PICTURE_QUEUE_SIZE
)
1273 is
->pictq_windex
= 0;
1274 SDL_LockMutex(is
->pictq_mutex
);
1276 SDL_UnlockMutex(is
->pictq_mutex
);
1282 * compute the exact PTS for the picture if it is omitted in the stream
1283 * @param pts1 the dts of the pkt / pts of the frame
1285 static int output_picture2(VideoState
*is
, AVFrame
*src_frame
, double pts1
)
1287 double frame_delay
, pts
;
1292 /* update video clock with pts, if present */
1293 is
->video_clock
= pts
;
1295 pts
= is
->video_clock
;
1297 /* update video clock for next frame */
1298 frame_delay
= av_q2d(is
->video_st
->codec
->time_base
);
1299 /* for MPEG2, the frame can be repeated, so we update the
1300 clock accordingly */
1301 frame_delay
+= src_frame
->repeat_pict
* (frame_delay
* 0.5);
1302 is
->video_clock
+= frame_delay
;
1304 #if defined(DEBUG_SYNC) && 0
1307 if (src_frame
->pict_type
== FF_B_TYPE
)
1309 else if (src_frame
->pict_type
== FF_I_TYPE
)
1313 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1317 return queue_picture(is
, src_frame
, pts
);
1320 static uint64_t global_video_pkt_pts
= AV_NOPTS_VALUE
;
1322 static int my_get_buffer(struct AVCodecContext
*c
, AVFrame
*pic
){
1323 int ret
= avcodec_default_get_buffer(c
, pic
);
1324 uint64_t *pts
= av_malloc(sizeof(uint64_t));
1325 *pts
= global_video_pkt_pts
;
1330 static void my_release_buffer(struct AVCodecContext
*c
, AVFrame
*pic
){
1331 if(pic
) av_freep(&pic
->opaque
);
1332 avcodec_default_release_buffer(c
, pic
);
1335 static int video_thread(void *arg
)
1337 VideoState
*is
= arg
;
1338 AVPacket pkt1
, *pkt
= &pkt1
;
1339 int len1
, got_picture
;
1340 AVFrame
*frame
= avcodec_alloc_frame();
1344 while (is
->paused
&& !is
->videoq
.abort_request
) {
1347 if (packet_queue_get(&is
->videoq
, pkt
, 1) < 0)
1350 if(pkt
->data
== flush_pkt
.data
){
1351 avcodec_flush_buffers(is
->video_st
->codec
);
1355 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1356 this packet, if any */
1357 global_video_pkt_pts
= pkt
->pts
;
1358 len1
= avcodec_decode_video(is
->video_st
->codec
,
1359 frame
, &got_picture
,
1360 pkt
->data
, pkt
->size
);
1362 if( (decoder_reorder_pts
|| pkt
->dts
== AV_NOPTS_VALUE
)
1363 && frame
->opaque
&& *(uint64_t*)frame
->opaque
!= AV_NOPTS_VALUE
)
1364 pts
= *(uint64_t*)frame
->opaque
;
1365 else if(pkt
->dts
!= AV_NOPTS_VALUE
)
1369 pts
*= av_q2d(is
->video_st
->time_base
);
1374 if (output_picture2(is
, frame
, pts
) < 0)
1377 av_free_packet(pkt
);
1380 stream_pause(cur_stream
);
1387 static int subtitle_thread(void *arg
)
1389 VideoState
*is
= arg
;
1391 AVPacket pkt1
, *pkt
= &pkt1
;
1392 int len1
, got_subtitle
;
1395 int r
, g
, b
, y
, u
, v
, a
;
1398 while (is
->paused
&& !is
->subtitleq
.abort_request
) {
1401 if (packet_queue_get(&is
->subtitleq
, pkt
, 1) < 0)
1404 if(pkt
->data
== flush_pkt
.data
){
1405 avcodec_flush_buffers(is
->subtitle_st
->codec
);
1408 SDL_LockMutex(is
->subpq_mutex
);
1409 while (is
->subpq_size
>= SUBPICTURE_QUEUE_SIZE
&&
1410 !is
->subtitleq
.abort_request
) {
1411 SDL_CondWait(is
->subpq_cond
, is
->subpq_mutex
);
1413 SDL_UnlockMutex(is
->subpq_mutex
);
1415 if (is
->subtitleq
.abort_request
)
1418 sp
= &is
->subpq
[is
->subpq_windex
];
1420 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1421 this packet, if any */
1423 if (pkt
->pts
!= AV_NOPTS_VALUE
)
1424 pts
= av_q2d(is
->subtitle_st
->time_base
)*pkt
->pts
;
1426 len1
= avcodec_decode_subtitle(is
->subtitle_st
->codec
,
1427 &sp
->sub
, &got_subtitle
,
1428 pkt
->data
, pkt
->size
);
1431 if (got_subtitle
&& sp
->sub
.format
== 0) {
1434 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
1436 for (j
= 0; j
< sp
->sub
.rects
[i
].nb_colors
; j
++)
1438 RGBA_IN(r
, g
, b
, a
, sp
->sub
.rects
[i
].rgba_palette
+ j
);
1439 y
= RGB_TO_Y_CCIR(r
, g
, b
);
1440 u
= RGB_TO_U_CCIR(r
, g
, b
, 0);
1441 v
= RGB_TO_V_CCIR(r
, g
, b
, 0);
1442 YUVA_OUT(sp
->sub
.rects
[i
].rgba_palette
+ j
, y
, u
, v
, a
);
1446 /* now we can update the picture count */
1447 if (++is
->subpq_windex
== SUBPICTURE_QUEUE_SIZE
)
1448 is
->subpq_windex
= 0;
1449 SDL_LockMutex(is
->subpq_mutex
);
1451 SDL_UnlockMutex(is
->subpq_mutex
);
1453 av_free_packet(pkt
);
1456 // stream_pause(cur_stream);
1462 /* copy samples for viewing in editor window */
1463 static void update_sample_display(VideoState
*is
, short *samples
, int samples_size
)
1465 int size
, len
, channels
;
1467 channels
= is
->audio_st
->codec
->channels
;
1469 size
= samples_size
/ sizeof(short);
1471 len
= SAMPLE_ARRAY_SIZE
- is
->sample_array_index
;
1474 memcpy(is
->sample_array
+ is
->sample_array_index
, samples
, len
* sizeof(short));
1476 is
->sample_array_index
+= len
;
1477 if (is
->sample_array_index
>= SAMPLE_ARRAY_SIZE
)
1478 is
->sample_array_index
= 0;
1483 /* return the new audio buffer size (samples can be added or deleted
1484 to get better sync if video or external master clock) */
1485 static int synchronize_audio(VideoState
*is
, short *samples
,
1486 int samples_size1
, double pts
)
1488 int n
, samples_size
;
1491 n
= 2 * is
->audio_st
->codec
->channels
;
1492 samples_size
= samples_size1
;
1494 /* if not master, then we try to remove or add samples to correct the clock */
1495 if (((is
->av_sync_type
== AV_SYNC_VIDEO_MASTER
&& is
->video_st
) ||
1496 is
->av_sync_type
== AV_SYNC_EXTERNAL_CLOCK
)) {
1497 double diff
, avg_diff
;
1498 int wanted_size
, min_size
, max_size
, nb_samples
;
1500 ref_clock
= get_master_clock(is
);
1501 diff
= get_audio_clock(is
) - ref_clock
;
1503 if (diff
< AV_NOSYNC_THRESHOLD
) {
1504 is
->audio_diff_cum
= diff
+ is
->audio_diff_avg_coef
* is
->audio_diff_cum
;
1505 if (is
->audio_diff_avg_count
< AUDIO_DIFF_AVG_NB
) {
1506 /* not enough measures to have a correct estimate */
1507 is
->audio_diff_avg_count
++;
1509 /* estimate the A-V difference */
1510 avg_diff
= is
->audio_diff_cum
* (1.0 - is
->audio_diff_avg_coef
);
1512 if (fabs(avg_diff
) >= is
->audio_diff_threshold
) {
1513 wanted_size
= samples_size
+ ((int)(diff
* is
->audio_st
->codec
->sample_rate
) * n
);
1514 nb_samples
= samples_size
/ n
;
1516 min_size
= ((nb_samples
* (100 - SAMPLE_CORRECTION_PERCENT_MAX
)) / 100) * n
;
1517 max_size
= ((nb_samples
* (100 + SAMPLE_CORRECTION_PERCENT_MAX
)) / 100) * n
;
1518 if (wanted_size
< min_size
)
1519 wanted_size
= min_size
;
1520 else if (wanted_size
> max_size
)
1521 wanted_size
= max_size
;
1523 /* add or remove samples to correction the synchro */
1524 if (wanted_size
< samples_size
) {
1525 /* remove samples */
1526 samples_size
= wanted_size
;
1527 } else if (wanted_size
> samples_size
) {
1528 uint8_t *samples_end
, *q
;
1532 nb
= (samples_size
- wanted_size
);
1533 samples_end
= (uint8_t *)samples
+ samples_size
- n
;
1534 q
= samples_end
+ n
;
1536 memcpy(q
, samples_end
, n
);
1540 samples_size
= wanted_size
;
1544 printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
1545 diff
, avg_diff
, samples_size
- samples_size1
,
1546 is
->audio_clock
, is
->video_clock
, is
->audio_diff_threshold
);
1550 /* too big difference : may be initial PTS errors, so
1552 is
->audio_diff_avg_count
= 0;
1553 is
->audio_diff_cum
= 0;
1557 return samples_size
;
1560 /* decode one audio frame and returns its uncompressed size */
1561 static int audio_decode_frame(VideoState
*is
, uint8_t *audio_buf
, int buf_size
, double *pts_ptr
)
1563 AVPacket
*pkt
= &is
->audio_pkt
;
1564 int n
, len1
, data_size
;
1568 /* NOTE: the audio packet can contain several frames */
1569 while (is
->audio_pkt_size
> 0) {
1570 data_size
= buf_size
;
1571 len1
= avcodec_decode_audio2(is
->audio_st
->codec
,
1572 (int16_t *)audio_buf
, &data_size
,
1573 is
->audio_pkt_data
, is
->audio_pkt_size
);
1575 /* if error, we skip the frame */
1576 is
->audio_pkt_size
= 0;
1580 is
->audio_pkt_data
+= len1
;
1581 is
->audio_pkt_size
-= len1
;
1584 /* if no pts, then compute it */
1585 pts
= is
->audio_clock
;
1587 n
= 2 * is
->audio_st
->codec
->channels
;
1588 is
->audio_clock
+= (double)data_size
/
1589 (double)(n
* is
->audio_st
->codec
->sample_rate
);
1590 #if defined(DEBUG_SYNC)
1592 static double last_clock
;
1593 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
1594 is
->audio_clock
- last_clock
,
1595 is
->audio_clock
, pts
);
1596 last_clock
= is
->audio_clock
;
1602 /* free the current packet */
1604 av_free_packet(pkt
);
1606 if (is
->paused
|| is
->audioq
.abort_request
) {
1610 /* read next packet */
1611 if (packet_queue_get(&is
->audioq
, pkt
, 1) < 0)
1613 if(pkt
->data
== flush_pkt
.data
){
1614 avcodec_flush_buffers(is
->audio_st
->codec
);
1618 is
->audio_pkt_data
= pkt
->data
;
1619 is
->audio_pkt_size
= pkt
->size
;
1621 /* if update the audio clock with the pts */
1622 if (pkt
->pts
!= AV_NOPTS_VALUE
) {
1623 is
->audio_clock
= av_q2d(is
->audio_st
->time_base
)*pkt
->pts
;
1628 /* get the current audio output buffer size, in samples. With SDL, we
1629 cannot have a precise information */
1630 static int audio_write_get_buf_size(VideoState
*is
)
1632 return is
->audio_buf_size
- is
->audio_buf_index
;
1636 /* prepare a new audio buffer */
1637 void sdl_audio_callback(void *opaque
, Uint8
*stream
, int len
)
1639 VideoState
*is
= opaque
;
1640 int audio_size
, len1
;
1643 audio_callback_time
= av_gettime();
1646 if (is
->audio_buf_index
>= is
->audio_buf_size
) {
1647 audio_size
= audio_decode_frame(is
, is
->audio_buf
, sizeof(is
->audio_buf
), &pts
);
1648 if (audio_size
< 0) {
1649 /* if error, just output silence */
1650 is
->audio_buf_size
= 1024;
1651 memset(is
->audio_buf
, 0, is
->audio_buf_size
);
1654 update_sample_display(is
, (int16_t *)is
->audio_buf
, audio_size
);
1655 audio_size
= synchronize_audio(is
, (int16_t *)is
->audio_buf
, audio_size
,
1657 is
->audio_buf_size
= audio_size
;
1659 is
->audio_buf_index
= 0;
1661 len1
= is
->audio_buf_size
- is
->audio_buf_index
;
1664 memcpy(stream
, (uint8_t *)is
->audio_buf
+ is
->audio_buf_index
, len1
);
1667 is
->audio_buf_index
+= len1
;
1671 /* open a given stream. Return 0 if OK */
1672 static int stream_component_open(VideoState
*is
, int stream_index
)
1674 AVFormatContext
*ic
= is
->ic
;
1675 AVCodecContext
*enc
;
1677 SDL_AudioSpec wanted_spec
, spec
;
1679 if (stream_index
< 0 || stream_index
>= ic
->nb_streams
)
1681 enc
= ic
->streams
[stream_index
]->codec
;
1683 /* prepare audio output */
1684 if (enc
->codec_type
== CODEC_TYPE_AUDIO
) {
1685 wanted_spec
.freq
= enc
->sample_rate
;
1686 wanted_spec
.format
= AUDIO_S16SYS
;
1687 /* hack for AC3. XXX: suppress that */
1688 if (enc
->channels
> 2)
1690 wanted_spec
.channels
= enc
->channels
;
1691 wanted_spec
.silence
= 0;
1692 wanted_spec
.samples
= SDL_AUDIO_BUFFER_SIZE
;
1693 wanted_spec
.callback
= sdl_audio_callback
;
1694 wanted_spec
.userdata
= is
;
1695 if (SDL_OpenAudio(&wanted_spec
, &spec
) < 0) {
1696 fprintf(stderr
, "SDL_OpenAudio: %s\n", SDL_GetError());
1699 is
->audio_hw_buf_size
= spec
.size
;
1702 codec
= avcodec_find_decoder(enc
->codec_id
);
1703 enc
->debug_mv
= debug_mv
;
1705 enc
->workaround_bugs
= workaround_bugs
;
1706 enc
->lowres
= lowres
;
1707 if(lowres
) enc
->flags
|= CODEC_FLAG_EMU_EDGE
;
1708 enc
->idct_algo
= idct
;
1709 if(fast
) enc
->flags2
|= CODEC_FLAG2_FAST
;
1710 enc
->skip_frame
= skip_frame
;
1711 enc
->skip_idct
= skip_idct
;
1712 enc
->skip_loop_filter
= skip_loop_filter
;
1713 enc
->error_resilience
= error_resilience
;
1714 enc
->error_concealment
= error_concealment
;
1716 avcodec_open(enc
, codec
) < 0)
1719 avcodec_thread_init(enc
, thread_count
);
1720 enc
->thread_count
= thread_count
;
1721 switch(enc
->codec_type
) {
1722 case CODEC_TYPE_AUDIO
:
1723 is
->audio_stream
= stream_index
;
1724 is
->audio_st
= ic
->streams
[stream_index
];
1725 is
->audio_buf_size
= 0;
1726 is
->audio_buf_index
= 0;
1728 /* init averaging filter */
1729 is
->audio_diff_avg_coef
= exp(log(0.01) / AUDIO_DIFF_AVG_NB
);
1730 is
->audio_diff_avg_count
= 0;
1731 /* since we do not have a precise anough audio fifo fullness,
1732 we correct audio sync only if larger than this threshold */
1733 is
->audio_diff_threshold
= 2.0 * SDL_AUDIO_BUFFER_SIZE
/ enc
->sample_rate
;
1735 memset(&is
->audio_pkt
, 0, sizeof(is
->audio_pkt
));
1736 packet_queue_init(&is
->audioq
);
1739 case CODEC_TYPE_VIDEO
:
1740 is
->video_stream
= stream_index
;
1741 is
->video_st
= ic
->streams
[stream_index
];
1743 is
->frame_last_delay
= 40e-3;
1744 is
->frame_timer
= (double)av_gettime() / 1000000.0;
1745 is
->video_current_pts_time
= av_gettime();
1747 packet_queue_init(&is
->videoq
);
1748 is
->video_tid
= SDL_CreateThread(video_thread
, is
);
1750 enc
-> get_buffer
= my_get_buffer
;
1751 enc
->release_buffer
= my_release_buffer
;
1753 case CODEC_TYPE_SUBTITLE
:
1754 is
->subtitle_stream
= stream_index
;
1755 is
->subtitle_st
= ic
->streams
[stream_index
];
1756 packet_queue_init(&is
->subtitleq
);
1758 is
->subtitle_tid
= SDL_CreateThread(subtitle_thread
, is
);
1766 static void stream_component_close(VideoState
*is
, int stream_index
)
1768 AVFormatContext
*ic
= is
->ic
;
1769 AVCodecContext
*enc
;
1771 if (stream_index
< 0 || stream_index
>= ic
->nb_streams
)
1773 enc
= ic
->streams
[stream_index
]->codec
;
1775 switch(enc
->codec_type
) {
1776 case CODEC_TYPE_AUDIO
:
1777 packet_queue_abort(&is
->audioq
);
1781 packet_queue_end(&is
->audioq
);
1783 case CODEC_TYPE_VIDEO
:
1784 packet_queue_abort(&is
->videoq
);
1786 /* note: we also signal this mutex to make sure we deblock the
1787 video thread in all cases */
1788 SDL_LockMutex(is
->pictq_mutex
);
1789 SDL_CondSignal(is
->pictq_cond
);
1790 SDL_UnlockMutex(is
->pictq_mutex
);
1792 SDL_WaitThread(is
->video_tid
, NULL
);
1794 packet_queue_end(&is
->videoq
);
1796 case CODEC_TYPE_SUBTITLE
:
1797 packet_queue_abort(&is
->subtitleq
);
1799 /* note: we also signal this mutex to make sure we deblock the
1800 video thread in all cases */
1801 SDL_LockMutex(is
->subpq_mutex
);
1802 is
->subtitle_stream_changed
= 1;
1804 SDL_CondSignal(is
->subpq_cond
);
1805 SDL_UnlockMutex(is
->subpq_mutex
);
1807 SDL_WaitThread(is
->subtitle_tid
, NULL
);
1809 packet_queue_end(&is
->subtitleq
);
1816 switch(enc
->codec_type
) {
1817 case CODEC_TYPE_AUDIO
:
1818 is
->audio_st
= NULL
;
1819 is
->audio_stream
= -1;
1821 case CODEC_TYPE_VIDEO
:
1822 is
->video_st
= NULL
;
1823 is
->video_stream
= -1;
1825 case CODEC_TYPE_SUBTITLE
:
1826 is
->subtitle_st
= NULL
;
1827 is
->subtitle_stream
= -1;
1834 static void dump_stream_info(const AVFormatContext
*s
)
1837 fprintf(stderr
, "Track: %d\n", s
->track
);
1838 if (s
->title
[0] != '\0')
1839 fprintf(stderr
, "Title: %s\n", s
->title
);
1840 if (s
->author
[0] != '\0')
1841 fprintf(stderr
, "Author: %s\n", s
->author
);
1842 if (s
->copyright
[0] != '\0')
1843 fprintf(stderr
, "Copyright: %s\n", s
->copyright
);
1844 if (s
->comment
[0] != '\0')
1845 fprintf(stderr
, "Comment: %s\n", s
->comment
);
1846 if (s
->album
[0] != '\0')
1847 fprintf(stderr
, "Album: %s\n", s
->album
);
1849 fprintf(stderr
, "Year: %d\n", s
->year
);
1850 if (s
->genre
[0] != '\0')
1851 fprintf(stderr
, "Genre: %s\n", s
->genre
);
1854 /* since we have only one decoding thread, we can use a global
1855 variable instead of a thread local variable */
1856 static VideoState
*global_video_state
;
1858 static int decode_interrupt_cb(void)
1860 return (global_video_state
&& global_video_state
->abort_request
);
1863 /* this thread gets the stream from the disk or the network */
1864 static int decode_thread(void *arg
)
1866 VideoState
*is
= arg
;
1867 AVFormatContext
*ic
;
1868 int err
, i
, ret
, video_index
, audio_index
, use_play
;
1869 AVPacket pkt1
, *pkt
= &pkt1
;
1870 AVFormatParameters params
, *ap
= ¶ms
;
1874 is
->video_stream
= -1;
1875 is
->audio_stream
= -1;
1876 is
->subtitle_stream
= -1;
1878 global_video_state
= is
;
1879 url_set_interrupt_cb(decode_interrupt_cb
);
1881 memset(ap
, 0, sizeof(*ap
));
1882 ap
->initial_pause
= 1; /* we force a pause when starting an RTSP
1885 ap
->width
= frame_width
;
1886 ap
->height
= frame_height
;
1887 ap
->time_base
= (AVRational
){1, 25};
1888 ap
->pix_fmt
= frame_pix_fmt
;
1890 err
= av_open_input_file(&ic
, is
->filename
, is
->iformat
, 0, ap
);
1892 print_error(is
->filename
, err
);
1897 #ifdef CONFIG_RTSP_DEMUXER
1898 use_play
= (ic
->iformat
== &rtsp_demuxer
);
1904 ic
->flags
|= AVFMT_FLAG_GENPTS
;
1907 err
= av_find_stream_info(ic
);
1909 fprintf(stderr
, "%s: could not find codec parameters\n", is
->filename
);
1913 ic
->pb
.eof_reached
= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
1916 /* if seeking requested, we execute it */
1917 if (start_time
!= AV_NOPTS_VALUE
) {
1920 timestamp
= start_time
;
1921 /* add the stream start time */
1922 if (ic
->start_time
!= AV_NOPTS_VALUE
)
1923 timestamp
+= ic
->start_time
;
1924 ret
= av_seek_frame(ic
, -1, timestamp
, AVSEEK_FLAG_BACKWARD
);
1926 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
1927 is
->filename
, (double)timestamp
/ AV_TIME_BASE
);
1931 /* now we can begin to play (RTSP stream only) */
1935 err
= av_find_stream_info(ic
);
1937 fprintf(stderr
, "%s: could not find codec parameters\n", is
->filename
);
1943 for(i
= 0; i
< ic
->nb_streams
; i
++) {
1944 AVCodecContext
*enc
= ic
->streams
[i
]->codec
;
1945 switch(enc
->codec_type
) {
1946 case CODEC_TYPE_AUDIO
:
1947 if ((audio_index
< 0 || wanted_audio_stream
-- > 0) && !audio_disable
)
1950 case CODEC_TYPE_VIDEO
:
1951 if ((video_index
< 0 || wanted_video_stream
-- > 0) && !video_disable
)
1959 dump_format(ic
, 0, is
->filename
, 0);
1960 dump_stream_info(ic
);
1963 /* open the streams */
1964 if (audio_index
>= 0) {
1965 stream_component_open(is
, audio_index
);
1968 if (video_index
>= 0) {
1969 stream_component_open(is
, video_index
);
1971 if (!display_disable
)
1975 if (is
->video_stream
< 0 && is
->audio_stream
< 0) {
1976 fprintf(stderr
, "%s: could not open codecs\n", is
->filename
);
1982 if (is
->abort_request
)
1984 if (is
->paused
!= is
->last_paused
) {
1985 is
->last_paused
= is
->paused
;
1991 #ifdef CONFIG_RTSP_DEMUXER
1992 if (is
->paused
&& ic
->iformat
== &rtsp_demuxer
) {
1993 /* wait 10 ms to avoid trying to get another packet */
2000 int stream_index
= -1;
2001 int64_t seek_target
= is
->seek_pos
;
2003 if (is
-> video_stream
>= 0) stream_index
= is
-> video_stream
;
2004 else if(is
-> audio_stream
>= 0) stream_index
= is
-> audio_stream
;
2005 else if(is
->subtitle_stream
>= 0) stream_index
= is
->subtitle_stream
;
2007 if(stream_index
>=0){
2008 seek_target
= av_rescale_q(seek_target
, AV_TIME_BASE_Q
, ic
->streams
[stream_index
]->time_base
);
2011 ret
= av_seek_frame(is
->ic
, stream_index
, seek_target
, is
->seek_flags
);
2013 fprintf(stderr
, "%s: error while seeking\n", is
->ic
->filename
);
2015 if (is
->audio_stream
>= 0) {
2016 packet_queue_flush(&is
->audioq
);
2017 packet_queue_put(&is
->audioq
, &flush_pkt
);
2019 if (is
->subtitle_stream
>= 0) {
2020 packet_queue_flush(&is
->subtitleq
);
2021 packet_queue_put(&is
->subtitleq
, &flush_pkt
);
2023 if (is
->video_stream
>= 0) {
2024 packet_queue_flush(&is
->videoq
);
2025 packet_queue_put(&is
->videoq
, &flush_pkt
);
2031 /* if the queue are full, no need to read more */
2032 if (is
->audioq
.size
> MAX_AUDIOQ_SIZE
||
2033 is
->videoq
.size
> MAX_VIDEOQ_SIZE
||
2034 is
->subtitleq
.size
> MAX_SUBTITLEQ_SIZE
||
2035 url_feof(&ic
->pb
)) {
2040 ret
= av_read_frame(ic
, pkt
);
2042 if (url_ferror(&ic
->pb
) == 0) {
2043 SDL_Delay(100); /* wait for user event */
2048 if (pkt
->stream_index
== is
->audio_stream
) {
2049 packet_queue_put(&is
->audioq
, pkt
);
2050 } else if (pkt
->stream_index
== is
->video_stream
) {
2051 packet_queue_put(&is
->videoq
, pkt
);
2052 } else if (pkt
->stream_index
== is
->subtitle_stream
) {
2053 packet_queue_put(&is
->subtitleq
, pkt
);
2055 av_free_packet(pkt
);
2058 /* wait until the end */
2059 while (!is
->abort_request
) {
2065 /* disable interrupting */
2066 global_video_state
= NULL
;
2068 /* close each stream */
2069 if (is
->audio_stream
>= 0)
2070 stream_component_close(is
, is
->audio_stream
);
2071 if (is
->video_stream
>= 0)
2072 stream_component_close(is
, is
->video_stream
);
2073 if (is
->subtitle_stream
>= 0)
2074 stream_component_close(is
, is
->subtitle_stream
);
2076 av_close_input_file(is
->ic
);
2077 is
->ic
= NULL
; /* safety */
2079 url_set_interrupt_cb(NULL
);
2084 event
.type
= FF_QUIT_EVENT
;
2085 event
.user
.data1
= is
;
2086 SDL_PushEvent(&event
);
2091 static VideoState
*stream_open(const char *filename
, AVInputFormat
*iformat
)
2095 is
= av_mallocz(sizeof(VideoState
));
2098 av_strlcpy(is
->filename
, filename
, sizeof(is
->filename
));
2099 is
->iformat
= iformat
;
2103 /* start video display */
2104 is
->pictq_mutex
= SDL_CreateMutex();
2105 is
->pictq_cond
= SDL_CreateCond();
2107 is
->subpq_mutex
= SDL_CreateMutex();
2108 is
->subpq_cond
= SDL_CreateCond();
2110 /* add the refresh timer to draw the picture */
2111 schedule_refresh(is
, 40);
2113 is
->av_sync_type
= av_sync_type
;
2114 is
->parse_tid
= SDL_CreateThread(decode_thread
, is
);
2115 if (!is
->parse_tid
) {
2122 static void stream_close(VideoState
*is
)
2126 /* XXX: use a special url_shutdown call to abort parse cleanly */
2127 is
->abort_request
= 1;
2128 SDL_WaitThread(is
->parse_tid
, NULL
);
2130 /* free all pictures */
2131 for(i
=0;i
<VIDEO_PICTURE_QUEUE_SIZE
; i
++) {
2134 SDL_FreeYUVOverlay(vp
->bmp
);
2138 SDL_DestroyMutex(is
->pictq_mutex
);
2139 SDL_DestroyCond(is
->pictq_cond
);
2140 SDL_DestroyMutex(is
->subpq_mutex
);
2141 SDL_DestroyCond(is
->subpq_cond
);
2144 static void stream_cycle_channel(VideoState
*is
, int codec_type
)
2146 AVFormatContext
*ic
= is
->ic
;
2147 int start_index
, stream_index
;
2150 if (codec_type
== CODEC_TYPE_VIDEO
)
2151 start_index
= is
->video_stream
;
2152 else if (codec_type
== CODEC_TYPE_AUDIO
)
2153 start_index
= is
->audio_stream
;
2155 start_index
= is
->subtitle_stream
;
2156 if (start_index
< (codec_type
== CODEC_TYPE_SUBTITLE
? -1 : 0))
2158 stream_index
= start_index
;
2160 if (++stream_index
>= is
->ic
->nb_streams
)
2162 if (codec_type
== CODEC_TYPE_SUBTITLE
)
2169 if (stream_index
== start_index
)
2171 st
= ic
->streams
[stream_index
];
2172 if (st
->codec
->codec_type
== codec_type
) {
2173 /* check that parameters are OK */
2174 switch(codec_type
) {
2175 case CODEC_TYPE_AUDIO
:
2176 if (st
->codec
->sample_rate
!= 0 &&
2177 st
->codec
->channels
!= 0)
2180 case CODEC_TYPE_VIDEO
:
2181 case CODEC_TYPE_SUBTITLE
:
2189 stream_component_close(is
, start_index
);
2190 stream_component_open(is
, stream_index
);
2194 static void toggle_full_screen(void)
2196 is_full_screen
= !is_full_screen
;
2197 if (!fs_screen_width
) {
2198 /* use default SDL method */
2199 // SDL_WM_ToggleFullScreen(screen);
2201 video_open(cur_stream
);
2204 static void toggle_pause(void)
2207 stream_pause(cur_stream
);
2211 static void step_to_next_frame(void)
2214 if (cur_stream
->paused
)
2215 cur_stream
->paused
=0;
2216 cur_stream
->video_current_pts
= get_video_clock(cur_stream
);
2221 static void do_exit(void)
2224 stream_close(cur_stream
);
2233 static void toggle_audio_display(void)
2236 cur_stream
->show_audio
= !cur_stream
->show_audio
;
2240 /* handle an event sent by the GUI */
2241 static void event_loop(void)
2244 double incr
, pos
, frac
;
2247 SDL_WaitEvent(&event
);
2248 switch(event
.type
) {
2250 switch(event
.key
.keysym
.sym
) {
2256 toggle_full_screen();
2262 case SDLK_s
: //S: Step to next frame
2263 step_to_next_frame();
2267 stream_cycle_channel(cur_stream
, CODEC_TYPE_AUDIO
);
2271 stream_cycle_channel(cur_stream
, CODEC_TYPE_VIDEO
);
2275 stream_cycle_channel(cur_stream
, CODEC_TYPE_SUBTITLE
);
2278 toggle_audio_display();
2293 if (seek_by_bytes
) {
2294 pos
= url_ftell(&cur_stream
->ic
->pb
);
2295 if (cur_stream
->ic
->bit_rate
)
2296 incr
*= cur_stream
->ic
->bit_rate
/ 60.0;
2300 stream_seek(cur_stream
, pos
, incr
);
2302 pos
= get_master_clock(cur_stream
);
2304 stream_seek(cur_stream
, (int64_t)(pos
* AV_TIME_BASE
), incr
);
2312 case SDL_MOUSEBUTTONDOWN
:
2315 int tns
, thh
, tmm
, tss
;
2316 tns
= cur_stream
->ic
->duration
/1000000LL;
2318 tmm
= (tns
%3600)/60;
2320 frac
= (double)event
.button
.x
/(double)cur_stream
->width
;
2325 fprintf(stderr
, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac
*100,
2326 hh
, mm
, ss
, thh
, tmm
, tss
);
2327 stream_seek(cur_stream
, (int64_t)(cur_stream
->ic
->start_time
+frac
*cur_stream
->ic
->duration
), 0);
2330 case SDL_VIDEORESIZE
:
2332 screen
= SDL_SetVideoMode(event
.resize
.w
, event
.resize
.h
, 0,
2333 SDL_HWSURFACE
|SDL_RESIZABLE
|SDL_ASYNCBLIT
|SDL_HWACCEL
);
2334 screen_width
= cur_stream
->width
= event
.resize
.w
;
2335 screen_height
= cur_stream
->height
= event
.resize
.h
;
2342 case FF_ALLOC_EVENT
:
2343 video_open(event
.user
.data1
);
2344 alloc_picture(event
.user
.data1
);
2346 case FF_REFRESH_EVENT
:
2347 video_refresh_timer(event
.user
.data1
);
2355 static void opt_frame_size(const char *arg
)
2357 if (av_parse_video_frame_size(&frame_width
, &frame_height
, arg
) < 0) {
2358 fprintf(stderr
, "Incorrect frame size\n");
2361 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
2362 fprintf(stderr
, "Frame size must be a multiple of 2\n");
2367 static void opt_width(const char *arg
)
2369 screen_width
= atoi(arg
);
2370 if(screen_width
<=0){
2371 fprintf(stderr
, "invalid width\n");
2376 static void opt_height(const char *arg
)
2378 screen_height
= atoi(arg
);
2379 if(screen_height
<=0){
2380 fprintf(stderr
, "invalid height\n");
2385 static void opt_format(const char *arg
)
2387 file_iformat
= av_find_input_format(arg
);
2388 if (!file_iformat
) {
2389 fprintf(stderr
, "Unknown input format: %s\n", arg
);
2394 static void opt_frame_pix_fmt(const char *arg
)
2396 frame_pix_fmt
= avcodec_get_pix_fmt(arg
);
2399 #ifdef CONFIG_RTSP_DEMUXER
2400 static void opt_rtp_tcp(void)
2402 /* only tcp protocol */
2403 rtsp_default_protocols
= (1 << RTSP_PROTOCOL_RTP_TCP
);
2407 static void opt_sync(const char *arg
)
2409 if (!strcmp(arg
, "audio"))
2410 av_sync_type
= AV_SYNC_AUDIO_MASTER
;
2411 else if (!strcmp(arg
, "video"))
2412 av_sync_type
= AV_SYNC_VIDEO_MASTER
;
2413 else if (!strcmp(arg
, "ext"))
2414 av_sync_type
= AV_SYNC_EXTERNAL_CLOCK
;
2419 static void opt_seek(const char *arg
)
2421 start_time
= parse_date(arg
, 1);
2424 static void opt_debug(const char *arg
)
2430 static void opt_vismv(const char *arg
)
2432 debug_mv
= atoi(arg
);
2435 static void opt_thread_count(const char *arg
)
2437 thread_count
= atoi(arg
);
2438 #if !defined(HAVE_THREADS)
2439 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
2443 const OptionDef options
[] = {
2444 { "h", 0, {(void*)show_help
}, "show help" },
2445 { "x", HAS_ARG
, {(void*)opt_width
}, "force displayed width", "width" },
2446 { "y", HAS_ARG
, {(void*)opt_height
}, "force displayed height", "height" },
2447 { "s", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_size
}, "set frame size (WxH or abbreviation)", "size" },
2448 { "fs", OPT_BOOL
, {(void*)&is_full_screen
}, "force full screen" },
2449 { "an", OPT_BOOL
, {(void*)&audio_disable
}, "disable audio" },
2450 { "vn", OPT_BOOL
, {(void*)&video_disable
}, "disable video" },
2451 { "ast", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&wanted_audio_stream
}, "", "" },
2452 { "vst", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&wanted_video_stream
}, "", "" },
2453 { "ss", HAS_ARG
, {(void*)&opt_seek
}, "seek to a given position in seconds", "pos" },
2454 { "bytes", OPT_BOOL
, {(void*)&seek_by_bytes
}, "seek by bytes" },
2455 { "nodisp", OPT_BOOL
, {(void*)&display_disable
}, "disable graphical display" },
2456 { "f", HAS_ARG
, {(void*)opt_format
}, "force format", "fmt" },
2457 { "pix_fmt", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_frame_pix_fmt
}, "set pixel format", "format" },
2458 { "stats", OPT_BOOL
| OPT_EXPERT
, {(void*)&show_status
}, "show status", "" },
2459 { "debug", HAS_ARG
| OPT_EXPERT
, {(void*)opt_debug
}, "print specific debug info", "" },
2460 { "bug", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&workaround_bugs
}, "workaround bugs", "" },
2461 { "vismv", HAS_ARG
| OPT_EXPERT
, {(void*)opt_vismv
}, "visualize motion vectors", "" },
2462 { "fast", OPT_BOOL
| OPT_EXPERT
, {(void*)&fast
}, "non spec compliant optimizations", "" },
2463 { "genpts", OPT_BOOL
| OPT_EXPERT
, {(void*)&genpts
}, "generate pts", "" },
2464 { "drp", OPT_BOOL
|OPT_EXPERT
, {(void*)&decoder_reorder_pts
}, "let decoder reorder pts", ""},
2465 { "lowres", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&lowres
}, "", "" },
2466 { "skiploop", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_loop_filter
}, "", "" },
2467 { "skipframe", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_frame
}, "", "" },
2468 { "skipidct", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_idct
}, "", "" },
2469 { "idct", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&idct
}, "set idct algo", "algo" },
2470 { "er", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&error_resilience
}, "set error detection threshold (0-4)", "threshold" },
2471 { "ec", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&error_concealment
}, "set error concealment options", "bit_mask" },
2472 #ifdef CONFIG_RTSP_DEMUXER
2473 { "rtp_tcp", OPT_EXPERT
, {(void*)&opt_rtp_tcp
}, "force RTP/TCP protocol usage", "" },
2475 { "sync", HAS_ARG
| OPT_EXPERT
, {(void*)opt_sync
}, "set audio-video sync. type (type=audio/video/ext)", "type" },
2476 { "threads", HAS_ARG
| OPT_EXPERT
, {(void*)opt_thread_count
}, "thread count", "count" },
2480 void show_help(void)
2482 printf("ffplay version " FFMPEG_VERSION
", Copyright (c) 2003-2007 Fabrice Bellard, et al.\n"
2483 "usage: ffplay [options] input_file\n"
2484 "Simple media player\n");
2486 show_help_options(options
, "Main options:\n",
2488 show_help_options(options
, "\nAdvanced options:\n",
2489 OPT_EXPERT
, OPT_EXPERT
);
2490 printf("\nWhile playing:\n"
2492 "f toggle full screen\n"
2494 "a cycle audio channel\n"
2495 "v cycle video channel\n"
2496 "t cycle subtitle channel\n"
2497 "w show audio waves\n"
2498 "left/right seek backward/forward 10 seconds\n"
2499 "down/up seek backward/forward 1 minute\n"
2500 "mouse click seek to percentage in file corresponding to fraction of width\n"
2505 void parse_arg_file(const char *filename
)
2507 if (!strcmp(filename
, "-"))
2509 input_filename
= filename
;
2512 /* Called from the main */
2513 int main(int argc
, char **argv
)
2517 /* register all codecs, demux and protocols */
2520 parse_options(argc
, argv
, options
);
2522 if (!input_filename
)
2525 if (display_disable
) {
2528 flags
= SDL_INIT_VIDEO
| SDL_INIT_AUDIO
| SDL_INIT_TIMER
;
2529 #if !defined(__MINGW32__) && !defined(CONFIG_DARWIN)
2530 flags
|= SDL_INIT_EVENTTHREAD
; /* Not supported on win32 or darwin */
2532 if (SDL_Init (flags
)) {
2533 fprintf(stderr
, "Could not initialize SDL - %s\n", SDL_GetError());
2537 if (!display_disable
) {
2538 #ifdef HAVE_SDL_VIDEO_SIZE
2539 const SDL_VideoInfo
*vi
= SDL_GetVideoInfo();
2540 fs_screen_width
= vi
->current_w
;
2541 fs_screen_height
= vi
->current_h
;
2545 SDL_EventState(SDL_ACTIVEEVENT
, SDL_IGNORE
);
2546 SDL_EventState(SDL_MOUSEMOTION
, SDL_IGNORE
);
2547 SDL_EventState(SDL_SYSWMEVENT
, SDL_IGNORE
);
2548 SDL_EventState(SDL_USEREVENT
, SDL_IGNORE
);
2550 av_init_packet(&flush_pkt
);
2551 flush_pkt
.data
= "FLUSH";
2553 cur_stream
= stream_open(input_filename
, file_iformat
);