2 * FFplay : Simple Media Player based on the FFmpeg libraries
3 * Copyright (c) 2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include "libavutil/avstring.h"
27 #include "libavutil/pixdesc.h"
28 #include "libavformat/avformat.h"
29 #include "libavdevice/avdevice.h"
30 #include "libswscale/swscale.h"
31 #include "libavcodec/audioconvert.h"
32 #include "libavcodec/colorspace.h"
33 #include "libavcodec/opt.h"
34 #include "libavcodec/avfft.h"
37 # include "libavfilter/avfilter.h"
38 # include "libavfilter/avfiltergraph.h"
39 # include "libavfilter/graphparser.h"
45 #include <SDL_thread.h>
48 #undef main /* We don't want SDL to override our main() */
54 const char program_name
[] = "FFplay";
55 const int program_birth_year
= 2003;
59 #define MAX_QUEUE_SIZE (15 * 1024 * 1024)
60 #define MIN_AUDIOQ_SIZE (20 * 16 * 1024)
63 /* SDL audio buffer size, in samples. Should be small to have precise
64 A/V sync as SDL does not have hardware buffer fullness info. */
65 #define SDL_AUDIO_BUFFER_SIZE 1024
67 /* no AV sync correction is done if below the AV sync threshold */
68 #define AV_SYNC_THRESHOLD 0.01
69 /* no AV correction is done if too big error */
70 #define AV_NOSYNC_THRESHOLD 10.0
72 #define FRAME_SKIP_FACTOR 0.05
74 /* maximum audio speed change to get correct sync */
75 #define SAMPLE_CORRECTION_PERCENT_MAX 10
77 /* we use about AUDIO_DIFF_AVG_NB A-V differences to make the average */
78 #define AUDIO_DIFF_AVG_NB 20
80 /* NOTE: the size must be big enough to compensate the hardware audio buffersize size */
81 #define SAMPLE_ARRAY_SIZE (2*65536)
84 static int sws_flags
= SWS_BICUBIC
;
87 typedef struct PacketQueue
{
88 AVPacketList
*first_pkt
, *last_pkt
;
96 #define VIDEO_PICTURE_QUEUE_SIZE 2
97 #define SUBPICTURE_QUEUE_SIZE 4
99 typedef struct VideoPicture
{
100 double pts
; ///<presentation time stamp for this picture
101 double target_clock
; ///<av_gettime() time at which this should be displayed ideally
102 int64_t pos
; ///<byte position in file
104 int width
, height
; /* source height & width */
106 enum PixelFormat pix_fmt
;
109 AVFilterPicRef
*picref
;
113 typedef struct SubPicture
{
114 double pts
; /* presentation time stamp for this picture */
119 AV_SYNC_AUDIO_MASTER
, /* default choice */
120 AV_SYNC_VIDEO_MASTER
,
121 AV_SYNC_EXTERNAL_CLOCK
, /* synchronize to an external clock */
124 typedef struct VideoState
{
125 SDL_Thread
*parse_tid
;
126 SDL_Thread
*video_tid
;
127 SDL_Thread
*refresh_tid
;
128 AVInputFormat
*iformat
;
137 int read_pause_return
;
139 int dtg_active_format
;
144 double external_clock
; /* external clock base */
145 int64_t external_clock_time
;
148 double audio_diff_cum
; /* used for AV difference average computation */
149 double audio_diff_avg_coef
;
150 double audio_diff_threshold
;
151 int audio_diff_avg_count
;
154 int audio_hw_buf_size
;
155 /* samples output by the codec. we reserve more space for avsync
157 DECLARE_ALIGNED(16,uint8_t,audio_buf1
)[(AVCODEC_MAX_AUDIO_FRAME_SIZE
* 3) / 2];
158 DECLARE_ALIGNED(16,uint8_t,audio_buf2
)[(AVCODEC_MAX_AUDIO_FRAME_SIZE
* 3) / 2];
160 unsigned int audio_buf_size
; /* in bytes */
161 int audio_buf_index
; /* in bytes */
162 AVPacket audio_pkt_temp
;
164 enum SampleFormat audio_src_fmt
;
165 AVAudioConvert
*reformat_ctx
;
167 int show_audio
; /* if true, display audio samples */
168 int16_t sample_array
[SAMPLE_ARRAY_SIZE
];
169 int sample_array_index
;
175 SDL_Thread
*subtitle_tid
;
177 int subtitle_stream_changed
;
178 AVStream
*subtitle_st
;
179 PacketQueue subtitleq
;
180 SubPicture subpq
[SUBPICTURE_QUEUE_SIZE
];
181 int subpq_size
, subpq_rindex
, subpq_windex
;
182 SDL_mutex
*subpq_mutex
;
183 SDL_cond
*subpq_cond
;
186 double frame_last_pts
;
187 double frame_last_delay
;
188 double video_clock
; ///<pts of last decoded frame / predicted pts of next decoded frame
192 double video_current_pts
; ///<current displayed pts (different from video_clock if frame fifos are used)
193 double video_current_pts_drift
; ///<video_current_pts - time (av_gettime) at which we updated video_current_pts - used to have running video pts
194 int64_t video_current_pos
; ///<current displayed file pos
195 VideoPicture pictq
[VIDEO_PICTURE_QUEUE_SIZE
];
196 int pictq_size
, pictq_rindex
, pictq_windex
;
197 SDL_mutex
*pictq_mutex
;
198 SDL_cond
*pictq_cond
;
200 struct SwsContext
*img_convert_ctx
;
203 // QETimer *video_timer;
205 int width
, height
, xleft
, ytop
;
209 int64_t last_dts_for_fault_detection
;
210 int64_t last_pts_for_fault_detection
;
213 AVFilterContext
*out_video_filter
; ///<the last filter in the video chain
217 float skip_frames_index
;
221 static void show_help(void);
222 static int audio_write_get_buf_size(VideoState
*is
);
224 /* options specified by the user */
225 static AVInputFormat
*file_iformat
;
226 static const char *input_filename
;
227 static const char *window_title
;
228 static int fs_screen_width
;
229 static int fs_screen_height
;
230 static int screen_width
= 0;
231 static int screen_height
= 0;
232 static int frame_width
= 0;
233 static int frame_height
= 0;
234 static enum PixelFormat frame_pix_fmt
= PIX_FMT_NONE
;
235 static int audio_disable
;
236 static int video_disable
;
237 static int wanted_stream
[AVMEDIA_TYPE_NB
]={
238 [AVMEDIA_TYPE_AUDIO
]=-1,
239 [AVMEDIA_TYPE_VIDEO
]=-1,
240 [AVMEDIA_TYPE_SUBTITLE
]=-1,
242 static int seek_by_bytes
=-1;
243 static int display_disable
;
244 static int show_status
= 1;
245 static int av_sync_type
= AV_SYNC_AUDIO_MASTER
;
246 static int64_t start_time
= AV_NOPTS_VALUE
;
247 static int64_t duration
= AV_NOPTS_VALUE
;
248 static int debug
= 0;
249 static int debug_mv
= 0;
251 static int thread_count
= 1;
252 static int workaround_bugs
= 1;
254 static int genpts
= 0;
255 static int lowres
= 0;
256 static int idct
= FF_IDCT_AUTO
;
257 static enum AVDiscard skip_frame
= AVDISCARD_DEFAULT
;
258 static enum AVDiscard skip_idct
= AVDISCARD_DEFAULT
;
259 static enum AVDiscard skip_loop_filter
= AVDISCARD_DEFAULT
;
260 static int error_recognition
= FF_ER_CAREFUL
;
261 static int error_concealment
= 3;
262 static int decoder_reorder_pts
= -1;
265 static int framedrop
=1;
267 static int rdftspeed
=20;
269 static char *vfilters
= NULL
;
272 /* current context */
273 static int is_full_screen
;
274 static VideoState
*cur_stream
;
275 static int64_t audio_callback_time
;
277 static AVPacket flush_pkt
;
279 #define FF_ALLOC_EVENT (SDL_USEREVENT)
280 #define FF_REFRESH_EVENT (SDL_USEREVENT + 1)
281 #define FF_QUIT_EVENT (SDL_USEREVENT + 2)
283 static SDL_Surface
*screen
;
285 static int packet_queue_put(PacketQueue
*q
, AVPacket
*pkt
);
287 /* packet queue handling */
288 static void packet_queue_init(PacketQueue
*q
)
290 memset(q
, 0, sizeof(PacketQueue
));
291 q
->mutex
= SDL_CreateMutex();
292 q
->cond
= SDL_CreateCond();
293 packet_queue_put(q
, &flush_pkt
);
296 static void packet_queue_flush(PacketQueue
*q
)
298 AVPacketList
*pkt
, *pkt1
;
300 SDL_LockMutex(q
->mutex
);
301 for(pkt
= q
->first_pkt
; pkt
!= NULL
; pkt
= pkt1
) {
303 av_free_packet(&pkt
->pkt
);
310 SDL_UnlockMutex(q
->mutex
);
313 static void packet_queue_end(PacketQueue
*q
)
315 packet_queue_flush(q
);
316 SDL_DestroyMutex(q
->mutex
);
317 SDL_DestroyCond(q
->cond
);
320 static int packet_queue_put(PacketQueue
*q
, AVPacket
*pkt
)
324 /* duplicate the packet */
325 if (pkt
!=&flush_pkt
&& av_dup_packet(pkt
) < 0)
328 pkt1
= av_malloc(sizeof(AVPacketList
));
335 SDL_LockMutex(q
->mutex
);
341 q
->last_pkt
->next
= pkt1
;
344 q
->size
+= pkt1
->pkt
.size
+ sizeof(*pkt1
);
345 /* XXX: should duplicate packet data in DV case */
346 SDL_CondSignal(q
->cond
);
348 SDL_UnlockMutex(q
->mutex
);
352 static void packet_queue_abort(PacketQueue
*q
)
354 SDL_LockMutex(q
->mutex
);
356 q
->abort_request
= 1;
358 SDL_CondSignal(q
->cond
);
360 SDL_UnlockMutex(q
->mutex
);
363 /* return < 0 if aborted, 0 if no packet and > 0 if packet. */
364 static int packet_queue_get(PacketQueue
*q
, AVPacket
*pkt
, int block
)
369 SDL_LockMutex(q
->mutex
);
372 if (q
->abort_request
) {
379 q
->first_pkt
= pkt1
->next
;
383 q
->size
-= pkt1
->pkt
.size
+ sizeof(*pkt1
);
392 SDL_CondWait(q
->cond
, q
->mutex
);
395 SDL_UnlockMutex(q
->mutex
);
399 static inline void fill_rectangle(SDL_Surface
*screen
,
400 int x
, int y
, int w
, int h
, int color
)
407 SDL_FillRect(screen
, &rect
, color
);
411 /* draw only the border of a rectangle */
412 void fill_border(VideoState
*s
, int x
, int y
, int w
, int h
, int color
)
416 /* fill the background */
420 w2
= s
->width
- (x
+ w
);
426 h2
= s
->height
- (y
+ h
);
429 fill_rectangle(screen
,
433 fill_rectangle(screen
,
434 s
->xleft
+ s
->width
- w2
, s
->ytop
,
437 fill_rectangle(screen
,
438 s
->xleft
+ w1
, s
->ytop
,
439 s
->width
- w1
- w2
, h1
,
441 fill_rectangle(screen
,
442 s
->xleft
+ w1
, s
->ytop
+ s
->height
- h2
,
443 s
->width
- w1
- w2
, h2
,
448 #define ALPHA_BLEND(a, oldp, newp, s)\
449 ((((oldp << s) * (255 - (a))) + (newp * (a))) / (255 << s))
451 #define RGBA_IN(r, g, b, a, s)\
453 unsigned int v = ((const uint32_t *)(s))[0];\
454 a = (v >> 24) & 0xff;\
455 r = (v >> 16) & 0xff;\
456 g = (v >> 8) & 0xff;\
460 #define YUVA_IN(y, u, v, a, s, pal)\
462 unsigned int val = ((const uint32_t *)(pal))[*(const uint8_t*)(s)];\
463 a = (val >> 24) & 0xff;\
464 y = (val >> 16) & 0xff;\
465 u = (val >> 8) & 0xff;\
469 #define YUVA_OUT(d, y, u, v, a)\
471 ((uint32_t *)(d))[0] = (a << 24) | (y << 16) | (u << 8) | v;\
477 static void blend_subrect(AVPicture
*dst
, const AVSubtitleRect
*rect
, int imgw
, int imgh
)
479 int wrap
, wrap3
, width2
, skip2
;
480 int y
, u
, v
, a
, u1
, v1
, a1
, w
, h
;
481 uint8_t *lum
, *cb
, *cr
;
484 int dstx
, dsty
, dstw
, dsth
;
486 dstw
= av_clip(rect
->w
, 0, imgw
);
487 dsth
= av_clip(rect
->h
, 0, imgh
);
488 dstx
= av_clip(rect
->x
, 0, imgw
- dstw
);
489 dsty
= av_clip(rect
->y
, 0, imgh
- dsth
);
490 lum
= dst
->data
[0] + dsty
* dst
->linesize
[0];
491 cb
= dst
->data
[1] + (dsty
>> 1) * dst
->linesize
[1];
492 cr
= dst
->data
[2] + (dsty
>> 1) * dst
->linesize
[2];
494 width2
= ((dstw
+ 1) >> 1) + (dstx
& ~dstw
& 1);
496 wrap
= dst
->linesize
[0];
497 wrap3
= rect
->pict
.linesize
[0];
498 p
= rect
->pict
.data
[0];
499 pal
= (const uint32_t *)rect
->pict
.data
[1]; /* Now in YCrCb! */
507 YUVA_IN(y
, u
, v
, a
, p
, pal
);
508 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
509 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
510 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
516 for(w
= dstw
- (dstx
& 1); w
>= 2; w
-= 2) {
517 YUVA_IN(y
, u
, v
, a
, p
, pal
);
521 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
523 YUVA_IN(y
, u
, v
, a
, p
+ BPP
, pal
);
527 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
528 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
529 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
536 YUVA_IN(y
, u
, v
, a
, p
, pal
);
537 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
538 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
539 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
543 p
+= wrap3
- dstw
* BPP
;
544 lum
+= wrap
- dstw
- dstx
;
545 cb
+= dst
->linesize
[1] - width2
- skip2
;
546 cr
+= dst
->linesize
[2] - width2
- skip2
;
548 for(h
= dsth
- (dsty
& 1); h
>= 2; h
-= 2) {
554 YUVA_IN(y
, u
, v
, a
, p
, pal
);
558 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
561 YUVA_IN(y
, u
, v
, a
, p
, pal
);
565 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
566 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
567 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
573 for(w
= dstw
- (dstx
& 1); w
>= 2; w
-= 2) {
574 YUVA_IN(y
, u
, v
, a
, p
, pal
);
578 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
580 YUVA_IN(y
, u
, v
, a
, p
+ BPP
, pal
);
584 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
588 YUVA_IN(y
, u
, v
, a
, p
, pal
);
592 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
594 YUVA_IN(y
, u
, v
, a
, p
+ BPP
, pal
);
598 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
600 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 2);
601 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 2);
605 p
+= -wrap3
+ 2 * BPP
;
609 YUVA_IN(y
, u
, v
, a
, p
, pal
);
613 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
616 YUVA_IN(y
, u
, v
, a
, p
, pal
);
620 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
621 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u1
, 1);
622 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v1
, 1);
628 p
+= wrap3
+ (wrap3
- dstw
* BPP
);
629 lum
+= wrap
+ (wrap
- dstw
- dstx
);
630 cb
+= dst
->linesize
[1] - width2
- skip2
;
631 cr
+= dst
->linesize
[2] - width2
- skip2
;
633 /* handle odd height */
640 YUVA_IN(y
, u
, v
, a
, p
, pal
);
641 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
642 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
643 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
649 for(w
= dstw
- (dstx
& 1); w
>= 2; w
-= 2) {
650 YUVA_IN(y
, u
, v
, a
, p
, pal
);
654 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
656 YUVA_IN(y
, u
, v
, a
, p
+ BPP
, pal
);
660 lum
[1] = ALPHA_BLEND(a
, lum
[1], y
, 0);
661 cb
[0] = ALPHA_BLEND(a1
>> 2, cb
[0], u
, 1);
662 cr
[0] = ALPHA_BLEND(a1
>> 2, cr
[0], v
, 1);
669 YUVA_IN(y
, u
, v
, a
, p
, pal
);
670 lum
[0] = ALPHA_BLEND(a
, lum
[0], y
, 0);
671 cb
[0] = ALPHA_BLEND(a
>> 2, cb
[0], u
, 0);
672 cr
[0] = ALPHA_BLEND(a
>> 2, cr
[0], v
, 0);
677 static void free_subpicture(SubPicture
*sp
)
681 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
683 av_freep(&sp
->sub
.rects
[i
]->pict
.data
[0]);
684 av_freep(&sp
->sub
.rects
[i
]->pict
.data
[1]);
685 av_freep(&sp
->sub
.rects
[i
]);
688 av_free(sp
->sub
.rects
);
690 memset(&sp
->sub
, 0, sizeof(AVSubtitle
));
693 static void video_image_display(VideoState
*is
)
699 int width
, height
, x
, y
;
703 vp
= &is
->pictq
[is
->pictq_rindex
];
706 if (vp
->picref
->pixel_aspect
.num
== 0)
709 aspect_ratio
= av_q2d(vp
->picref
->pixel_aspect
);
712 /* XXX: use variable in the frame */
713 if (is
->video_st
->sample_aspect_ratio
.num
)
714 aspect_ratio
= av_q2d(is
->video_st
->sample_aspect_ratio
);
715 else if (is
->video_st
->codec
->sample_aspect_ratio
.num
)
716 aspect_ratio
= av_q2d(is
->video_st
->codec
->sample_aspect_ratio
);
720 if (aspect_ratio
<= 0.0)
722 aspect_ratio
*= (float)vp
->width
/ (float)vp
->height
;
723 /* if an active format is indicated, then it overrides the
726 if (is
->video_st
->codec
->dtg_active_format
!= is
->dtg_active_format
) {
727 is
->dtg_active_format
= is
->video_st
->codec
->dtg_active_format
;
728 printf("dtg_active_format=%d\n", is
->dtg_active_format
);
732 switch(is
->video_st
->codec
->dtg_active_format
) {
733 case FF_DTG_AFD_SAME
:
738 aspect_ratio
= 4.0 / 3.0;
740 case FF_DTG_AFD_16_9
:
741 aspect_ratio
= 16.0 / 9.0;
743 case FF_DTG_AFD_14_9
:
744 aspect_ratio
= 14.0 / 9.0;
746 case FF_DTG_AFD_4_3_SP_14_9
:
747 aspect_ratio
= 14.0 / 9.0;
749 case FF_DTG_AFD_16_9_SP_14_9
:
750 aspect_ratio
= 14.0 / 9.0;
752 case FF_DTG_AFD_SP_4_3
:
753 aspect_ratio
= 4.0 / 3.0;
760 if (is
->subpq_size
> 0)
762 sp
= &is
->subpq
[is
->subpq_rindex
];
764 if (vp
->pts
>= sp
->pts
+ ((float) sp
->sub
.start_display_time
/ 1000))
766 SDL_LockYUVOverlay (vp
->bmp
);
768 pict
.data
[0] = vp
->bmp
->pixels
[0];
769 pict
.data
[1] = vp
->bmp
->pixels
[2];
770 pict
.data
[2] = vp
->bmp
->pixels
[1];
772 pict
.linesize
[0] = vp
->bmp
->pitches
[0];
773 pict
.linesize
[1] = vp
->bmp
->pitches
[2];
774 pict
.linesize
[2] = vp
->bmp
->pitches
[1];
776 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
777 blend_subrect(&pict
, sp
->sub
.rects
[i
],
778 vp
->bmp
->w
, vp
->bmp
->h
);
780 SDL_UnlockYUVOverlay (vp
->bmp
);
786 /* XXX: we suppose the screen has a 1.0 pixel ratio */
788 width
= ((int)rint(height
* aspect_ratio
)) & ~1;
789 if (width
> is
->width
) {
791 height
= ((int)rint(width
/ aspect_ratio
)) & ~1;
793 x
= (is
->width
- width
) / 2;
794 y
= (is
->height
- height
) / 2;
795 if (!is
->no_background
) {
796 /* fill the background */
797 // fill_border(is, x, y, width, height, QERGB(0x00, 0x00, 0x00));
799 is
->no_background
= 0;
801 rect
.x
= is
->xleft
+ x
;
802 rect
.y
= is
->ytop
+ y
;
805 SDL_DisplayYUVOverlay(vp
->bmp
, &rect
);
808 fill_rectangle(screen
,
809 is
->xleft
, is
->ytop
, is
->width
, is
->height
,
810 QERGB(0x00, 0x00, 0x00));
815 static inline int compute_mod(int a
, int b
)
824 static void video_audio_display(VideoState
*s
)
826 int i
, i_start
, x
, y1
, y
, ys
, delay
, n
, nb_display_channels
;
827 int ch
, channels
, h
, h2
, bgcolor
, fgcolor
;
829 int rdft_bits
, nb_freq
;
831 for(rdft_bits
=1; (1<<rdft_bits
)<2*s
->height
; rdft_bits
++)
833 nb_freq
= 1<<(rdft_bits
-1);
835 /* compute display index : center on currently output samples */
836 channels
= s
->audio_st
->codec
->channels
;
837 nb_display_channels
= channels
;
839 int data_used
= s
->show_audio
==1 ? s
->width
: (2*nb_freq
);
841 delay
= audio_write_get_buf_size(s
);
844 /* to be more precise, we take into account the time spent since
845 the last buffer computation */
846 if (audio_callback_time
) {
847 time_diff
= av_gettime() - audio_callback_time
;
848 delay
-= (time_diff
* s
->audio_st
->codec
->sample_rate
) / 1000000;
851 delay
+= 2*data_used
;
852 if (delay
< data_used
)
855 i_start
= x
= compute_mod(s
->sample_array_index
- delay
* channels
, SAMPLE_ARRAY_SIZE
);
856 if(s
->show_audio
==1){
858 for(i
=0; i
<1000; i
+=channels
){
859 int idx
= (SAMPLE_ARRAY_SIZE
+ x
- i
) % SAMPLE_ARRAY_SIZE
;
860 int a
= s
->sample_array
[idx
];
861 int b
= s
->sample_array
[(idx
+ 4*channels
)%SAMPLE_ARRAY_SIZE
];
862 int c
= s
->sample_array
[(idx
+ 5*channels
)%SAMPLE_ARRAY_SIZE
];
863 int d
= s
->sample_array
[(idx
+ 9*channels
)%SAMPLE_ARRAY_SIZE
];
865 if(h
<score
&& (b
^c
)<0){
872 s
->last_i_start
= i_start
;
874 i_start
= s
->last_i_start
;
877 bgcolor
= SDL_MapRGB(screen
->format
, 0x00, 0x00, 0x00);
878 if(s
->show_audio
==1){
879 fill_rectangle(screen
,
880 s
->xleft
, s
->ytop
, s
->width
, s
->height
,
883 fgcolor
= SDL_MapRGB(screen
->format
, 0xff, 0xff, 0xff);
885 /* total height for one channel */
886 h
= s
->height
/ nb_display_channels
;
887 /* graph height / 2 */
889 for(ch
= 0;ch
< nb_display_channels
; ch
++) {
891 y1
= s
->ytop
+ ch
* h
+ (h
/ 2); /* position of center line */
892 for(x
= 0; x
< s
->width
; x
++) {
893 y
= (s
->sample_array
[i
] * h2
) >> 15;
900 fill_rectangle(screen
,
901 s
->xleft
+ x
, ys
, 1, y
,
904 if (i
>= SAMPLE_ARRAY_SIZE
)
905 i
-= SAMPLE_ARRAY_SIZE
;
909 fgcolor
= SDL_MapRGB(screen
->format
, 0x00, 0x00, 0xff);
911 for(ch
= 1;ch
< nb_display_channels
; ch
++) {
912 y
= s
->ytop
+ ch
* h
;
913 fill_rectangle(screen
,
914 s
->xleft
, y
, s
->width
, 1,
917 SDL_UpdateRect(screen
, s
->xleft
, s
->ytop
, s
->width
, s
->height
);
919 nb_display_channels
= FFMIN(nb_display_channels
, 2);
920 if(rdft_bits
!= s
->rdft_bits
){
921 av_rdft_end(s
->rdft
);
922 s
->rdft
= av_rdft_init(rdft_bits
, DFT_R2C
);
923 s
->rdft_bits
= rdft_bits
;
926 FFTSample data
[2][2*nb_freq
];
927 for(ch
= 0;ch
< nb_display_channels
; ch
++) {
929 for(x
= 0; x
< 2*nb_freq
; x
++) {
930 double w
= (x
-nb_freq
)*(1.0/nb_freq
);
931 data
[ch
][x
]= s
->sample_array
[i
]*(1.0-w
*w
);
933 if (i
>= SAMPLE_ARRAY_SIZE
)
934 i
-= SAMPLE_ARRAY_SIZE
;
936 av_rdft_calc(s
->rdft
, data
[ch
]);
938 //least efficient way to do this, we should of course directly access it but its more than fast enough
939 for(y
=0; y
<s
->height
; y
++){
940 double w
= 1/sqrt(nb_freq
);
941 int a
= sqrt(w
*sqrt(data
[0][2*y
+0]*data
[0][2*y
+0] + data
[0][2*y
+1]*data
[0][2*y
+1]));
942 int b
= sqrt(w
*sqrt(data
[1][2*y
+0]*data
[1][2*y
+0] + data
[1][2*y
+1]*data
[1][2*y
+1]));
945 fgcolor
= SDL_MapRGB(screen
->format
, a
, b
, (a
+b
)/2);
947 fill_rectangle(screen
,
948 s
->xpos
, s
->height
-y
, 1, 1,
952 SDL_UpdateRect(screen
, s
->xpos
, s
->ytop
, 1, s
->height
);
954 if(s
->xpos
>= s
->width
)
959 static int video_open(VideoState
*is
){
960 int flags
= SDL_HWSURFACE
|SDL_ASYNCBLIT
|SDL_HWACCEL
;
963 if(is_full_screen
) flags
|= SDL_FULLSCREEN
;
964 else flags
|= SDL_RESIZABLE
;
966 if (is_full_screen
&& fs_screen_width
) {
968 h
= fs_screen_height
;
969 } else if(!is_full_screen
&& screen_width
){
973 }else if (is
->out_video_filter
&& is
->out_video_filter
->inputs
[0]){
974 w
= is
->out_video_filter
->inputs
[0]->w
;
975 h
= is
->out_video_filter
->inputs
[0]->h
;
977 }else if (is
->video_st
&& is
->video_st
->codec
->width
){
978 w
= is
->video_st
->codec
->width
;
979 h
= is
->video_st
->codec
->height
;
985 if(screen
&& is
->width
== screen
->w
&& screen
->w
== w
986 && is
->height
== screen
->h
&& screen
->h
== h
)
990 screen
= SDL_SetVideoMode(w
, h
, 0, flags
);
992 /* setting bits_per_pixel = 0 or 32 causes blank video on OS X */
993 screen
= SDL_SetVideoMode(w
, h
, 24, flags
);
996 fprintf(stderr
, "SDL: could not set video mode - exiting\n");
1000 window_title
= input_filename
;
1001 SDL_WM_SetCaption(window_title
, window_title
);
1003 is
->width
= screen
->w
;
1004 is
->height
= screen
->h
;
1009 /* display the current picture, if any */
1010 static void video_display(VideoState
*is
)
1013 video_open(cur_stream
);
1014 if (is
->audio_st
&& is
->show_audio
)
1015 video_audio_display(is
);
1016 else if (is
->video_st
)
1017 video_image_display(is
);
1020 static int refresh_thread(void *opaque
)
1022 VideoState
*is
= opaque
;
1023 while(!is
->abort_request
){
1025 event
.type
= FF_REFRESH_EVENT
;
1026 event
.user
.data1
= opaque
;
1029 SDL_PushEvent(&event
);
1031 usleep(is
->audio_st
&& is
->show_audio
? rdftspeed
*1000 : 5000); //FIXME ideally we should wait the correct time but SDLs event passing is so slow it would be silly
1036 /* get the current audio clock value */
1037 static double get_audio_clock(VideoState
*is
)
1040 int hw_buf_size
, bytes_per_sec
;
1041 pts
= is
->audio_clock
;
1042 hw_buf_size
= audio_write_get_buf_size(is
);
1045 bytes_per_sec
= is
->audio_st
->codec
->sample_rate
*
1046 2 * is
->audio_st
->codec
->channels
;
1049 pts
-= (double)hw_buf_size
/ bytes_per_sec
;
1053 /* get the current video clock value */
1054 static double get_video_clock(VideoState
*is
)
1057 return is
->video_current_pts
;
1059 return is
->video_current_pts_drift
+ av_gettime() / 1000000.0;
1063 /* get the current external clock value */
1064 static double get_external_clock(VideoState
*is
)
1068 return is
->external_clock
+ ((ti
- is
->external_clock_time
) * 1e-6);
1071 /* get the current master clock value */
1072 static double get_master_clock(VideoState
*is
)
1076 if (is
->av_sync_type
== AV_SYNC_VIDEO_MASTER
) {
1078 val
= get_video_clock(is
);
1080 val
= get_audio_clock(is
);
1081 } else if (is
->av_sync_type
== AV_SYNC_AUDIO_MASTER
) {
1083 val
= get_audio_clock(is
);
1085 val
= get_video_clock(is
);
1087 val
= get_external_clock(is
);
1092 /* seek in the stream */
1093 static void stream_seek(VideoState
*is
, int64_t pos
, int64_t rel
, int seek_by_bytes
)
1095 if (!is
->seek_req
) {
1098 is
->seek_flags
&= ~AVSEEK_FLAG_BYTE
;
1100 is
->seek_flags
|= AVSEEK_FLAG_BYTE
;
1105 /* pause or resume the video */
1106 static void stream_pause(VideoState
*is
)
1109 is
->frame_timer
+= av_gettime() / 1000000.0 + is
->video_current_pts_drift
- is
->video_current_pts
;
1110 if(is
->read_pause_return
!= AVERROR(ENOSYS
)){
1111 is
->video_current_pts
= is
->video_current_pts_drift
+ av_gettime() / 1000000.0;
1113 is
->video_current_pts_drift
= is
->video_current_pts
- av_gettime() / 1000000.0;
1115 is
->paused
= !is
->paused
;
1118 static double compute_target_time(double frame_current_pts
, VideoState
*is
)
1120 double delay
, sync_threshold
, diff
;
1122 /* compute nominal delay */
1123 delay
= frame_current_pts
- is
->frame_last_pts
;
1124 if (delay
<= 0 || delay
>= 10.0) {
1125 /* if incorrect delay, use previous one */
1126 delay
= is
->frame_last_delay
;
1128 is
->frame_last_delay
= delay
;
1130 is
->frame_last_pts
= frame_current_pts
;
1132 /* update delay to follow master synchronisation source */
1133 if (((is
->av_sync_type
== AV_SYNC_AUDIO_MASTER
&& is
->audio_st
) ||
1134 is
->av_sync_type
== AV_SYNC_EXTERNAL_CLOCK
)) {
1135 /* if video is slave, we try to correct big delays by
1136 duplicating or deleting a frame */
1137 diff
= get_video_clock(is
) - get_master_clock(is
);
1139 /* skip or repeat frame. We take into account the
1140 delay to compute the threshold. I still don't know
1141 if it is the best guess */
1142 sync_threshold
= FFMAX(AV_SYNC_THRESHOLD
, delay
);
1143 if (fabs(diff
) < AV_NOSYNC_THRESHOLD
) {
1144 if (diff
<= -sync_threshold
)
1146 else if (diff
>= sync_threshold
)
1150 is
->frame_timer
+= delay
;
1151 #if defined(DEBUG_SYNC)
1152 printf("video: delay=%0.3f actual_delay=%0.3f pts=%0.3f A-V=%f\n",
1153 delay
, actual_delay
, frame_current_pts
, -diff
);
1156 return is
->frame_timer
;
1159 /* called to display each frame */
1160 static void video_refresh_timer(void *opaque
)
1162 VideoState
*is
= opaque
;
1165 SubPicture
*sp
, *sp2
;
1169 if (is
->pictq_size
== 0) {
1170 //nothing to do, no picture to display in the que
1172 double time
= av_gettime()/1000000.0;
1174 /* dequeue the picture */
1175 vp
= &is
->pictq
[is
->pictq_rindex
];
1177 if(time
< vp
->target_clock
)
1179 /* update current video pts */
1180 is
->video_current_pts
= vp
->pts
;
1181 is
->video_current_pts_drift
= is
->video_current_pts
- time
;
1182 is
->video_current_pos
= vp
->pos
;
1183 if(is
->pictq_size
> 1){
1184 VideoPicture
*nextvp
= &is
->pictq
[(is
->pictq_rindex
+1)%VIDEO_PICTURE_QUEUE_SIZE
];
1185 assert(nextvp
->target_clock
>= vp
->target_clock
);
1186 next_target
= nextvp
->target_clock
;
1188 next_target
= vp
->target_clock
+ is
->video_clock
- vp
->pts
; //FIXME pass durations cleanly
1190 if(framedrop
&& time
> next_target
){
1191 is
->skip_frames
*= 1.0 + FRAME_SKIP_FACTOR
;
1192 if(is
->pictq_size
> 1 || time
> next_target
+ 0.5){
1193 /* update queue size and signal for next picture */
1194 if (++is
->pictq_rindex
== VIDEO_PICTURE_QUEUE_SIZE
)
1195 is
->pictq_rindex
= 0;
1197 SDL_LockMutex(is
->pictq_mutex
);
1199 SDL_CondSignal(is
->pictq_cond
);
1200 SDL_UnlockMutex(is
->pictq_mutex
);
1205 if(is
->subtitle_st
) {
1206 if (is
->subtitle_stream_changed
) {
1207 SDL_LockMutex(is
->subpq_mutex
);
1209 while (is
->subpq_size
) {
1210 free_subpicture(&is
->subpq
[is
->subpq_rindex
]);
1212 /* update queue size and signal for next picture */
1213 if (++is
->subpq_rindex
== SUBPICTURE_QUEUE_SIZE
)
1214 is
->subpq_rindex
= 0;
1218 is
->subtitle_stream_changed
= 0;
1220 SDL_CondSignal(is
->subpq_cond
);
1221 SDL_UnlockMutex(is
->subpq_mutex
);
1223 if (is
->subpq_size
> 0) {
1224 sp
= &is
->subpq
[is
->subpq_rindex
];
1226 if (is
->subpq_size
> 1)
1227 sp2
= &is
->subpq
[(is
->subpq_rindex
+ 1) % SUBPICTURE_QUEUE_SIZE
];
1231 if ((is
->video_current_pts
> (sp
->pts
+ ((float) sp
->sub
.end_display_time
/ 1000)))
1232 || (sp2
&& is
->video_current_pts
> (sp2
->pts
+ ((float) sp2
->sub
.start_display_time
/ 1000))))
1234 free_subpicture(sp
);
1236 /* update queue size and signal for next picture */
1237 if (++is
->subpq_rindex
== SUBPICTURE_QUEUE_SIZE
)
1238 is
->subpq_rindex
= 0;
1240 SDL_LockMutex(is
->subpq_mutex
);
1242 SDL_CondSignal(is
->subpq_cond
);
1243 SDL_UnlockMutex(is
->subpq_mutex
);
1249 /* display picture */
1252 /* update queue size and signal for next picture */
1253 if (++is
->pictq_rindex
== VIDEO_PICTURE_QUEUE_SIZE
)
1254 is
->pictq_rindex
= 0;
1256 SDL_LockMutex(is
->pictq_mutex
);
1258 SDL_CondSignal(is
->pictq_cond
);
1259 SDL_UnlockMutex(is
->pictq_mutex
);
1261 } else if (is
->audio_st
) {
1262 /* draw the next audio frame */
1264 /* if only audio stream, then display the audio bars (better
1265 than nothing, just to test the implementation */
1267 /* display picture */
1271 static int64_t last_time
;
1273 int aqsize
, vqsize
, sqsize
;
1276 cur_time
= av_gettime();
1277 if (!last_time
|| (cur_time
- last_time
) >= 30000) {
1282 aqsize
= is
->audioq
.size
;
1284 vqsize
= is
->videoq
.size
;
1285 if (is
->subtitle_st
)
1286 sqsize
= is
->subtitleq
.size
;
1288 if (is
->audio_st
&& is
->video_st
)
1289 av_diff
= get_audio_clock(is
) - get_video_clock(is
);
1290 printf("%7.2f A-V:%7.3f s:%3.1f aq=%5dKB vq=%5dKB sq=%5dB f=%"PRId64
"/%"PRId64
" \r",
1291 get_master_clock(is
), av_diff
, FFMAX(is
->skip_frames
-1, 0), aqsize
/ 1024, vqsize
/ 1024, sqsize
, is
->faulty_dts
, is
->faulty_pts
);
1293 last_time
= cur_time
;
1298 /* allocate a picture (needs to do that in main thread to avoid
1299 potential locking problems */
1300 static void alloc_picture(void *opaque
)
1302 VideoState
*is
= opaque
;
1305 vp
= &is
->pictq
[is
->pictq_windex
];
1308 SDL_FreeYUVOverlay(vp
->bmp
);
1312 avfilter_unref_pic(vp
->picref
);
1315 vp
->width
= is
->out_video_filter
->inputs
[0]->w
;
1316 vp
->height
= is
->out_video_filter
->inputs
[0]->h
;
1317 vp
->pix_fmt
= is
->out_video_filter
->inputs
[0]->format
;
1319 vp
->width
= is
->video_st
->codec
->width
;
1320 vp
->height
= is
->video_st
->codec
->height
;
1321 vp
->pix_fmt
= is
->video_st
->codec
->pix_fmt
;
1324 vp
->bmp
= SDL_CreateYUVOverlay(vp
->width
, vp
->height
,
1328 SDL_LockMutex(is
->pictq_mutex
);
1330 SDL_CondSignal(is
->pictq_cond
);
1331 SDL_UnlockMutex(is
->pictq_mutex
);
1336 * @param pts the dts of the pkt / pts of the frame and guessed if not known
1338 static int queue_picture(VideoState
*is
, AVFrame
*src_frame
, double pts
, int64_t pos
)
1345 /* wait until we have space to put a new picture */
1346 SDL_LockMutex(is
->pictq_mutex
);
1348 if(is
->pictq_size
>=VIDEO_PICTURE_QUEUE_SIZE
&& !is
->refresh
)
1349 is
->skip_frames
= FFMAX(1.0 - FRAME_SKIP_FACTOR
, is
->skip_frames
* (1.0-FRAME_SKIP_FACTOR
));
1351 while (is
->pictq_size
>= VIDEO_PICTURE_QUEUE_SIZE
&&
1352 !is
->videoq
.abort_request
) {
1353 SDL_CondWait(is
->pictq_cond
, is
->pictq_mutex
);
1355 SDL_UnlockMutex(is
->pictq_mutex
);
1357 if (is
->videoq
.abort_request
)
1360 vp
= &is
->pictq
[is
->pictq_windex
];
1362 /* alloc or resize hardware picture buffer */
1365 vp
->width
!= is
->out_video_filter
->inputs
[0]->w
||
1366 vp
->height
!= is
->out_video_filter
->inputs
[0]->h
) {
1368 vp
->width
!= is
->video_st
->codec
->width
||
1369 vp
->height
!= is
->video_st
->codec
->height
) {
1375 /* the allocation must be done in the main thread to avoid
1377 event
.type
= FF_ALLOC_EVENT
;
1378 event
.user
.data1
= is
;
1379 SDL_PushEvent(&event
);
1381 /* wait until the picture is allocated */
1382 SDL_LockMutex(is
->pictq_mutex
);
1383 while (!vp
->allocated
&& !is
->videoq
.abort_request
) {
1384 SDL_CondWait(is
->pictq_cond
, is
->pictq_mutex
);
1386 SDL_UnlockMutex(is
->pictq_mutex
);
1388 if (is
->videoq
.abort_request
)
1392 /* if the frame is not skipped, then display it */
1397 avfilter_unref_pic(vp
->picref
);
1398 vp
->picref
= src_frame
->opaque
;
1401 /* get a pointer on the bitmap */
1402 SDL_LockYUVOverlay (vp
->bmp
);
1404 dst_pix_fmt
= PIX_FMT_YUV420P
;
1405 memset(&pict
,0,sizeof(AVPicture
));
1406 pict
.data
[0] = vp
->bmp
->pixels
[0];
1407 pict
.data
[1] = vp
->bmp
->pixels
[2];
1408 pict
.data
[2] = vp
->bmp
->pixels
[1];
1410 pict
.linesize
[0] = vp
->bmp
->pitches
[0];
1411 pict
.linesize
[1] = vp
->bmp
->pitches
[2];
1412 pict
.linesize
[2] = vp
->bmp
->pitches
[1];
1415 pict_src
.data
[0] = src_frame
->data
[0];
1416 pict_src
.data
[1] = src_frame
->data
[1];
1417 pict_src
.data
[2] = src_frame
->data
[2];
1419 pict_src
.linesize
[0] = src_frame
->linesize
[0];
1420 pict_src
.linesize
[1] = src_frame
->linesize
[1];
1421 pict_src
.linesize
[2] = src_frame
->linesize
[2];
1423 //FIXME use direct rendering
1424 av_picture_copy(&pict
, &pict_src
,
1425 vp
->pix_fmt
, vp
->width
, vp
->height
);
1427 sws_flags
= av_get_int(sws_opts
, "sws_flags", NULL
);
1428 is
->img_convert_ctx
= sws_getCachedContext(is
->img_convert_ctx
,
1429 vp
->width
, vp
->height
, vp
->pix_fmt
, vp
->width
, vp
->height
,
1430 dst_pix_fmt
, sws_flags
, NULL
, NULL
, NULL
);
1431 if (is
->img_convert_ctx
== NULL
) {
1432 fprintf(stderr
, "Cannot initialize the conversion context\n");
1435 sws_scale(is
->img_convert_ctx
, src_frame
->data
, src_frame
->linesize
,
1436 0, vp
->height
, pict
.data
, pict
.linesize
);
1438 /* update the bitmap content */
1439 SDL_UnlockYUVOverlay(vp
->bmp
);
1444 /* now we can update the picture count */
1445 if (++is
->pictq_windex
== VIDEO_PICTURE_QUEUE_SIZE
)
1446 is
->pictq_windex
= 0;
1447 SDL_LockMutex(is
->pictq_mutex
);
1448 vp
->target_clock
= compute_target_time(vp
->pts
, is
);
1451 SDL_UnlockMutex(is
->pictq_mutex
);
1457 * compute the exact PTS for the picture if it is omitted in the stream
1458 * @param pts1 the dts of the pkt / pts of the frame
1460 static int output_picture2(VideoState
*is
, AVFrame
*src_frame
, double pts1
, int64_t pos
)
1462 double frame_delay
, pts
;
1467 /* update video clock with pts, if present */
1468 is
->video_clock
= pts
;
1470 pts
= is
->video_clock
;
1472 /* update video clock for next frame */
1473 frame_delay
= av_q2d(is
->video_st
->codec
->time_base
);
1474 /* for MPEG2, the frame can be repeated, so we update the
1475 clock accordingly */
1476 frame_delay
+= src_frame
->repeat_pict
* (frame_delay
* 0.5);
1477 is
->video_clock
+= frame_delay
;
1479 #if defined(DEBUG_SYNC) && 0
1480 printf("frame_type=%c clock=%0.3f pts=%0.3f\n",
1481 av_get_pict_type_char(src_frame
->pict_type
), pts
, pts1
);
1483 return queue_picture(is
, src_frame
, pts
, pos
);
1486 static int get_video_frame(VideoState
*is
, AVFrame
*frame
, int64_t *pts
, AVPacket
*pkt
)
1488 int len1
, got_picture
, i
;
1490 if (packet_queue_get(&is
->videoq
, pkt
, 1) < 0)
1493 if(pkt
->data
== flush_pkt
.data
){
1494 avcodec_flush_buffers(is
->video_st
->codec
);
1496 SDL_LockMutex(is
->pictq_mutex
);
1497 //Make sure there are no long delay timers (ideally we should just flush the que but thats harder)
1498 for(i
=0; i
<VIDEO_PICTURE_QUEUE_SIZE
; i
++){
1499 is
->pictq
[i
].target_clock
= 0;
1501 while (is
->pictq_size
&& !is
->videoq
.abort_request
) {
1502 SDL_CondWait(is
->pictq_cond
, is
->pictq_mutex
);
1504 is
->video_current_pos
= -1;
1505 SDL_UnlockMutex(is
->pictq_mutex
);
1507 is
->last_dts_for_fault_detection
=
1508 is
->last_pts_for_fault_detection
= INT64_MIN
;
1509 is
->frame_last_pts
= AV_NOPTS_VALUE
;
1510 is
->frame_last_delay
= 0;
1511 is
->frame_timer
= (double)av_gettime() / 1000000.0;
1513 is
->skip_frames_index
= 0;
1517 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1518 this packet, if any */
1519 is
->video_st
->codec
->reordered_opaque
= pkt
->pts
;
1520 len1
= avcodec_decode_video2(is
->video_st
->codec
,
1521 frame
, &got_picture
,
1525 if(pkt
->dts
!= AV_NOPTS_VALUE
){
1526 is
->faulty_dts
+= pkt
->dts
<= is
->last_dts_for_fault_detection
;
1527 is
->last_dts_for_fault_detection
= pkt
->dts
;
1529 if(frame
->reordered_opaque
!= AV_NOPTS_VALUE
){
1530 is
->faulty_pts
+= frame
->reordered_opaque
<= is
->last_pts_for_fault_detection
;
1531 is
->last_pts_for_fault_detection
= frame
->reordered_opaque
;
1535 if( ( decoder_reorder_pts
==1
1536 || (decoder_reorder_pts
&& is
->faulty_pts
<is
->faulty_dts
)
1537 || pkt
->dts
== AV_NOPTS_VALUE
)
1538 && frame
->reordered_opaque
!= AV_NOPTS_VALUE
)
1539 *pts
= frame
->reordered_opaque
;
1540 else if(pkt
->dts
!= AV_NOPTS_VALUE
)
1548 is
->skip_frames_index
+= 1;
1549 if(is
->skip_frames_index
>= is
->skip_frames
){
1550 is
->skip_frames_index
-= FFMAX(is
->skip_frames
, 1.0);
1565 static int input_get_buffer(AVCodecContext
*codec
, AVFrame
*pic
)
1567 AVFilterContext
*ctx
= codec
->opaque
;
1568 AVFilterPicRef
*ref
;
1569 int perms
= AV_PERM_WRITE
;
1570 int w
, h
, stride
[4];
1573 if(pic
->buffer_hints
& FF_BUFFER_HINTS_VALID
) {
1574 if(pic
->buffer_hints
& FF_BUFFER_HINTS_READABLE
) perms
|= AV_PERM_READ
;
1575 if(pic
->buffer_hints
& FF_BUFFER_HINTS_PRESERVE
) perms
|= AV_PERM_PRESERVE
;
1576 if(pic
->buffer_hints
& FF_BUFFER_HINTS_REUSABLE
) perms
|= AV_PERM_REUSE2
;
1578 if(pic
->reference
) perms
|= AV_PERM_READ
| AV_PERM_PRESERVE
;
1582 avcodec_align_dimensions2(codec
, &w
, &h
, stride
);
1583 edge
= codec
->flags
& CODEC_FLAG_EMU_EDGE
? 0 : avcodec_get_edge_width();
1587 if(!(ref
= avfilter_get_video_buffer(ctx
->outputs
[0], perms
, w
, h
)))
1590 ref
->w
= codec
->width
;
1591 ref
->h
= codec
->height
;
1592 for(int i
= 0; i
< 3; i
++) {
1593 unsigned hshift
= i
== 0 ? 0 : av_pix_fmt_descriptors
[ref
->pic
->format
].log2_chroma_w
;
1594 unsigned vshift
= i
== 0 ? 0 : av_pix_fmt_descriptors
[ref
->pic
->format
].log2_chroma_h
;
1597 ref
->data
[i
] += (edge
>> hshift
) + ((edge
* ref
->linesize
[i
]) >> vshift
);
1599 pic
->data
[i
] = ref
->data
[i
];
1600 pic
->linesize
[i
] = ref
->linesize
[i
];
1604 pic
->type
= FF_BUFFER_TYPE_USER
;
1608 static void input_release_buffer(AVCodecContext
*codec
, AVFrame
*pic
)
1610 memset(pic
->data
, 0, sizeof(pic
->data
));
1611 avfilter_unref_pic(pic
->opaque
);
1614 static int input_init(AVFilterContext
*ctx
, const char *args
, void *opaque
)
1616 FilterPriv
*priv
= ctx
->priv
;
1617 AVCodecContext
*codec
;
1618 if(!opaque
) return -1;
1621 codec
= priv
->is
->video_st
->codec
;
1622 codec
->opaque
= ctx
;
1623 if(codec
->codec
->capabilities
& CODEC_CAP_DR1
) {
1625 codec
->get_buffer
= input_get_buffer
;
1626 codec
->release_buffer
= input_release_buffer
;
1629 priv
->frame
= avcodec_alloc_frame();
1634 static void input_uninit(AVFilterContext
*ctx
)
1636 FilterPriv
*priv
= ctx
->priv
;
1637 av_free(priv
->frame
);
1640 static int input_request_frame(AVFilterLink
*link
)
1642 FilterPriv
*priv
= link
->src
->priv
;
1643 AVFilterPicRef
*picref
;
1648 while (!(ret
= get_video_frame(priv
->is
, priv
->frame
, &pts
, &pkt
)))
1649 av_free_packet(&pkt
);
1654 picref
= avfilter_ref_pic(priv
->frame
->opaque
, ~0);
1656 picref
= avfilter_get_video_buffer(link
, AV_PERM_WRITE
, link
->w
, link
->h
);
1657 av_picture_copy((AVPicture
*)&picref
->data
, (AVPicture
*)priv
->frame
,
1658 picref
->pic
->format
, link
->w
, link
->h
);
1660 av_free_packet(&pkt
);
1663 picref
->pos
= pkt
.pos
;
1664 picref
->pixel_aspect
= priv
->is
->video_st
->codec
->sample_aspect_ratio
;
1665 avfilter_start_frame(link
, picref
);
1666 avfilter_draw_slice(link
, 0, link
->h
, 1);
1667 avfilter_end_frame(link
);
1672 static int input_query_formats(AVFilterContext
*ctx
)
1674 FilterPriv
*priv
= ctx
->priv
;
1675 enum PixelFormat pix_fmts
[] = {
1676 priv
->is
->video_st
->codec
->pix_fmt
, PIX_FMT_NONE
1679 avfilter_set_common_formats(ctx
, avfilter_make_format_list(pix_fmts
));
1683 static int input_config_props(AVFilterLink
*link
)
1685 FilterPriv
*priv
= link
->src
->priv
;
1686 AVCodecContext
*c
= priv
->is
->video_st
->codec
;
1689 link
->h
= c
->height
;
1694 static AVFilter input_filter
=
1696 .name
= "ffplay_input",
1698 .priv_size
= sizeof(FilterPriv
),
1701 .uninit
= input_uninit
,
1703 .query_formats
= input_query_formats
,
1705 .inputs
= (AVFilterPad
[]) {{ .name
= NULL
}},
1706 .outputs
= (AVFilterPad
[]) {{ .name
= "default",
1707 .type
= AVMEDIA_TYPE_VIDEO
,
1708 .request_frame
= input_request_frame
,
1709 .config_props
= input_config_props
, },
1713 static void output_end_frame(AVFilterLink
*link
)
1717 static int output_query_formats(AVFilterContext
*ctx
)
1719 enum PixelFormat pix_fmts
[] = { PIX_FMT_YUV420P
, PIX_FMT_NONE
};
1721 avfilter_set_common_formats(ctx
, avfilter_make_format_list(pix_fmts
));
1725 static int get_filtered_video_frame(AVFilterContext
*ctx
, AVFrame
*frame
,
1726 int64_t *pts
, int64_t *pos
)
1728 AVFilterPicRef
*pic
;
1730 if(avfilter_request_frame(ctx
->inputs
[0]))
1732 if(!(pic
= ctx
->inputs
[0]->cur_pic
))
1734 ctx
->inputs
[0]->cur_pic
= NULL
;
1736 frame
->opaque
= pic
;
1740 memcpy(frame
->data
, pic
->data
, sizeof(frame
->data
));
1741 memcpy(frame
->linesize
, pic
->linesize
, sizeof(frame
->linesize
));
1746 static AVFilter output_filter
=
1748 .name
= "ffplay_output",
1750 .query_formats
= output_query_formats
,
1752 .inputs
= (AVFilterPad
[]) {{ .name
= "default",
1753 .type
= AVMEDIA_TYPE_VIDEO
,
1754 .end_frame
= output_end_frame
,
1755 .min_perms
= AV_PERM_READ
, },
1757 .outputs
= (AVFilterPad
[]) {{ .name
= NULL
}},
1759 #endif /* CONFIG_AVFILTER */
1761 static int video_thread(void *arg
)
1763 VideoState
*is
= arg
;
1764 AVFrame
*frame
= avcodec_alloc_frame();
1771 AVFilterContext
*filt_src
= NULL
, *filt_out
= NULL
;
1772 AVFilterGraph
*graph
= av_mallocz(sizeof(AVFilterGraph
));
1773 graph
->scale_sws_opts
= av_strdup("sws_flags=bilinear");
1775 if(!(filt_src
= avfilter_open(&input_filter
, "src"))) goto the_end
;
1776 if(!(filt_out
= avfilter_open(&output_filter
, "out"))) goto the_end
;
1778 if(avfilter_init_filter(filt_src
, NULL
, is
)) goto the_end
;
1779 if(avfilter_init_filter(filt_out
, NULL
, frame
)) goto the_end
;
1783 AVFilterInOut
*outputs
= av_malloc(sizeof(AVFilterInOut
));
1784 AVFilterInOut
*inputs
= av_malloc(sizeof(AVFilterInOut
));
1786 outputs
->name
= av_strdup("in");
1787 outputs
->filter
= filt_src
;
1788 outputs
->pad_idx
= 0;
1789 outputs
->next
= NULL
;
1791 inputs
->name
= av_strdup("out");
1792 inputs
->filter
= filt_out
;
1793 inputs
->pad_idx
= 0;
1794 inputs
->next
= NULL
;
1796 if (avfilter_graph_parse(graph
, vfilters
, inputs
, outputs
, NULL
) < 0)
1798 av_freep(&vfilters
);
1800 if(avfilter_link(filt_src
, 0, filt_out
, 0) < 0) goto the_end
;
1802 avfilter_graph_add_filter(graph
, filt_src
);
1803 avfilter_graph_add_filter(graph
, filt_out
);
1805 if(avfilter_graph_check_validity(graph
, NULL
)) goto the_end
;
1806 if(avfilter_graph_config_formats(graph
, NULL
)) goto the_end
;
1807 if(avfilter_graph_config_links(graph
, NULL
)) goto the_end
;
1809 is
->out_video_filter
= filt_out
;
1813 #if !CONFIG_AVFILTER
1816 while (is
->paused
&& !is
->videoq
.abort_request
)
1819 ret
= get_filtered_video_frame(filt_out
, frame
, &pts_int
, &pos
);
1821 ret
= get_video_frame(is
, frame
, &pts_int
, &pkt
);
1824 if (ret
< 0) goto the_end
;
1829 pts
= pts_int
*av_q2d(is
->video_st
->time_base
);
1832 ret
= output_picture2(is
, frame
, pts
, pos
);
1834 ret
= output_picture2(is
, frame
, pts
, pkt
.pos
);
1835 av_free_packet(&pkt
);
1842 stream_pause(cur_stream
);
1846 avfilter_graph_destroy(graph
);
1853 static int subtitle_thread(void *arg
)
1855 VideoState
*is
= arg
;
1857 AVPacket pkt1
, *pkt
= &pkt1
;
1858 int len1
, got_subtitle
;
1861 int r
, g
, b
, y
, u
, v
, a
;
1864 while (is
->paused
&& !is
->subtitleq
.abort_request
) {
1867 if (packet_queue_get(&is
->subtitleq
, pkt
, 1) < 0)
1870 if(pkt
->data
== flush_pkt
.data
){
1871 avcodec_flush_buffers(is
->subtitle_st
->codec
);
1874 SDL_LockMutex(is
->subpq_mutex
);
1875 while (is
->subpq_size
>= SUBPICTURE_QUEUE_SIZE
&&
1876 !is
->subtitleq
.abort_request
) {
1877 SDL_CondWait(is
->subpq_cond
, is
->subpq_mutex
);
1879 SDL_UnlockMutex(is
->subpq_mutex
);
1881 if (is
->subtitleq
.abort_request
)
1884 sp
= &is
->subpq
[is
->subpq_windex
];
1886 /* NOTE: ipts is the PTS of the _first_ picture beginning in
1887 this packet, if any */
1889 if (pkt
->pts
!= AV_NOPTS_VALUE
)
1890 pts
= av_q2d(is
->subtitle_st
->time_base
)*pkt
->pts
;
1892 len1
= avcodec_decode_subtitle2(is
->subtitle_st
->codec
,
1893 &sp
->sub
, &got_subtitle
,
1897 if (got_subtitle
&& sp
->sub
.format
== 0) {
1900 for (i
= 0; i
< sp
->sub
.num_rects
; i
++)
1902 for (j
= 0; j
< sp
->sub
.rects
[i
]->nb_colors
; j
++)
1904 RGBA_IN(r
, g
, b
, a
, (uint32_t*)sp
->sub
.rects
[i
]->pict
.data
[1] + j
);
1905 y
= RGB_TO_Y_CCIR(r
, g
, b
);
1906 u
= RGB_TO_U_CCIR(r
, g
, b
, 0);
1907 v
= RGB_TO_V_CCIR(r
, g
, b
, 0);
1908 YUVA_OUT((uint32_t*)sp
->sub
.rects
[i
]->pict
.data
[1] + j
, y
, u
, v
, a
);
1912 /* now we can update the picture count */
1913 if (++is
->subpq_windex
== SUBPICTURE_QUEUE_SIZE
)
1914 is
->subpq_windex
= 0;
1915 SDL_LockMutex(is
->subpq_mutex
);
1917 SDL_UnlockMutex(is
->subpq_mutex
);
1919 av_free_packet(pkt
);
1922 // stream_pause(cur_stream);
1928 /* copy samples for viewing in editor window */
1929 static void update_sample_display(VideoState
*is
, short *samples
, int samples_size
)
1931 int size
, len
, channels
;
1933 channels
= is
->audio_st
->codec
->channels
;
1935 size
= samples_size
/ sizeof(short);
1937 len
= SAMPLE_ARRAY_SIZE
- is
->sample_array_index
;
1940 memcpy(is
->sample_array
+ is
->sample_array_index
, samples
, len
* sizeof(short));
1942 is
->sample_array_index
+= len
;
1943 if (is
->sample_array_index
>= SAMPLE_ARRAY_SIZE
)
1944 is
->sample_array_index
= 0;
1949 /* return the new audio buffer size (samples can be added or deleted
1950 to get better sync if video or external master clock) */
1951 static int synchronize_audio(VideoState
*is
, short *samples
,
1952 int samples_size1
, double pts
)
1954 int n
, samples_size
;
1957 n
= 2 * is
->audio_st
->codec
->channels
;
1958 samples_size
= samples_size1
;
1960 /* if not master, then we try to remove or add samples to correct the clock */
1961 if (((is
->av_sync_type
== AV_SYNC_VIDEO_MASTER
&& is
->video_st
) ||
1962 is
->av_sync_type
== AV_SYNC_EXTERNAL_CLOCK
)) {
1963 double diff
, avg_diff
;
1964 int wanted_size
, min_size
, max_size
, nb_samples
;
1966 ref_clock
= get_master_clock(is
);
1967 diff
= get_audio_clock(is
) - ref_clock
;
1969 if (diff
< AV_NOSYNC_THRESHOLD
) {
1970 is
->audio_diff_cum
= diff
+ is
->audio_diff_avg_coef
* is
->audio_diff_cum
;
1971 if (is
->audio_diff_avg_count
< AUDIO_DIFF_AVG_NB
) {
1972 /* not enough measures to have a correct estimate */
1973 is
->audio_diff_avg_count
++;
1975 /* estimate the A-V difference */
1976 avg_diff
= is
->audio_diff_cum
* (1.0 - is
->audio_diff_avg_coef
);
1978 if (fabs(avg_diff
) >= is
->audio_diff_threshold
) {
1979 wanted_size
= samples_size
+ ((int)(diff
* is
->audio_st
->codec
->sample_rate
) * n
);
1980 nb_samples
= samples_size
/ n
;
1982 min_size
= ((nb_samples
* (100 - SAMPLE_CORRECTION_PERCENT_MAX
)) / 100) * n
;
1983 max_size
= ((nb_samples
* (100 + SAMPLE_CORRECTION_PERCENT_MAX
)) / 100) * n
;
1984 if (wanted_size
< min_size
)
1985 wanted_size
= min_size
;
1986 else if (wanted_size
> max_size
)
1987 wanted_size
= max_size
;
1989 /* add or remove samples to correction the synchro */
1990 if (wanted_size
< samples_size
) {
1991 /* remove samples */
1992 samples_size
= wanted_size
;
1993 } else if (wanted_size
> samples_size
) {
1994 uint8_t *samples_end
, *q
;
1998 nb
= (samples_size
- wanted_size
);
1999 samples_end
= (uint8_t *)samples
+ samples_size
- n
;
2000 q
= samples_end
+ n
;
2002 memcpy(q
, samples_end
, n
);
2006 samples_size
= wanted_size
;
2010 printf("diff=%f adiff=%f sample_diff=%d apts=%0.3f vpts=%0.3f %f\n",
2011 diff
, avg_diff
, samples_size
- samples_size1
,
2012 is
->audio_clock
, is
->video_clock
, is
->audio_diff_threshold
);
2016 /* too big difference : may be initial PTS errors, so
2018 is
->audio_diff_avg_count
= 0;
2019 is
->audio_diff_cum
= 0;
2023 return samples_size
;
2026 /* decode one audio frame and returns its uncompressed size */
2027 static int audio_decode_frame(VideoState
*is
, double *pts_ptr
)
2029 AVPacket
*pkt_temp
= &is
->audio_pkt_temp
;
2030 AVPacket
*pkt
= &is
->audio_pkt
;
2031 AVCodecContext
*dec
= is
->audio_st
->codec
;
2032 int n
, len1
, data_size
;
2036 /* NOTE: the audio packet can contain several frames */
2037 while (pkt_temp
->size
> 0) {
2038 data_size
= sizeof(is
->audio_buf1
);
2039 len1
= avcodec_decode_audio3(dec
,
2040 (int16_t *)is
->audio_buf1
, &data_size
,
2043 /* if error, we skip the frame */
2048 pkt_temp
->data
+= len1
;
2049 pkt_temp
->size
-= len1
;
2053 if (dec
->sample_fmt
!= is
->audio_src_fmt
) {
2054 if (is
->reformat_ctx
)
2055 av_audio_convert_free(is
->reformat_ctx
);
2056 is
->reformat_ctx
= av_audio_convert_alloc(SAMPLE_FMT_S16
, 1,
2057 dec
->sample_fmt
, 1, NULL
, 0);
2058 if (!is
->reformat_ctx
) {
2059 fprintf(stderr
, "Cannot convert %s sample format to %s sample format\n",
2060 avcodec_get_sample_fmt_name(dec
->sample_fmt
),
2061 avcodec_get_sample_fmt_name(SAMPLE_FMT_S16
));
2064 is
->audio_src_fmt
= dec
->sample_fmt
;
2067 if (is
->reformat_ctx
) {
2068 const void *ibuf
[6]= {is
->audio_buf1
};
2069 void *obuf
[6]= {is
->audio_buf2
};
2070 int istride
[6]= {av_get_bits_per_sample_format(dec
->sample_fmt
)/8};
2071 int ostride
[6]= {2};
2072 int len
= data_size
/istride
[0];
2073 if (av_audio_convert(is
->reformat_ctx
, obuf
, ostride
, ibuf
, istride
, len
)<0) {
2074 printf("av_audio_convert() failed\n");
2077 is
->audio_buf
= is
->audio_buf2
;
2078 /* FIXME: existing code assume that data_size equals framesize*channels*2
2079 remove this legacy cruft */
2082 is
->audio_buf
= is
->audio_buf1
;
2085 /* if no pts, then compute it */
2086 pts
= is
->audio_clock
;
2088 n
= 2 * dec
->channels
;
2089 is
->audio_clock
+= (double)data_size
/
2090 (double)(n
* dec
->sample_rate
);
2091 #if defined(DEBUG_SYNC)
2093 static double last_clock
;
2094 printf("audio: delay=%0.3f clock=%0.3f pts=%0.3f\n",
2095 is
->audio_clock
- last_clock
,
2096 is
->audio_clock
, pts
);
2097 last_clock
= is
->audio_clock
;
2103 /* free the current packet */
2105 av_free_packet(pkt
);
2107 if (is
->paused
|| is
->audioq
.abort_request
) {
2111 /* read next packet */
2112 if (packet_queue_get(&is
->audioq
, pkt
, 1) < 0)
2114 if(pkt
->data
== flush_pkt
.data
){
2115 avcodec_flush_buffers(dec
);
2119 pkt_temp
->data
= pkt
->data
;
2120 pkt_temp
->size
= pkt
->size
;
2122 /* if update the audio clock with the pts */
2123 if (pkt
->pts
!= AV_NOPTS_VALUE
) {
2124 is
->audio_clock
= av_q2d(is
->audio_st
->time_base
)*pkt
->pts
;
2129 /* get the current audio output buffer size, in samples. With SDL, we
2130 cannot have a precise information */
2131 static int audio_write_get_buf_size(VideoState
*is
)
2133 return is
->audio_buf_size
- is
->audio_buf_index
;
2137 /* prepare a new audio buffer */
2138 static void sdl_audio_callback(void *opaque
, Uint8
*stream
, int len
)
2140 VideoState
*is
= opaque
;
2141 int audio_size
, len1
;
2144 audio_callback_time
= av_gettime();
2147 if (is
->audio_buf_index
>= is
->audio_buf_size
) {
2148 audio_size
= audio_decode_frame(is
, &pts
);
2149 if (audio_size
< 0) {
2150 /* if error, just output silence */
2151 is
->audio_buf
= is
->audio_buf1
;
2152 is
->audio_buf_size
= 1024;
2153 memset(is
->audio_buf
, 0, is
->audio_buf_size
);
2156 update_sample_display(is
, (int16_t *)is
->audio_buf
, audio_size
);
2157 audio_size
= synchronize_audio(is
, (int16_t *)is
->audio_buf
, audio_size
,
2159 is
->audio_buf_size
= audio_size
;
2161 is
->audio_buf_index
= 0;
2163 len1
= is
->audio_buf_size
- is
->audio_buf_index
;
2166 memcpy(stream
, (uint8_t *)is
->audio_buf
+ is
->audio_buf_index
, len1
);
2169 is
->audio_buf_index
+= len1
;
2173 /* open a given stream. Return 0 if OK */
2174 static int stream_component_open(VideoState
*is
, int stream_index
)
2176 AVFormatContext
*ic
= is
->ic
;
2177 AVCodecContext
*avctx
;
2179 SDL_AudioSpec wanted_spec
, spec
;
2181 if (stream_index
< 0 || stream_index
>= ic
->nb_streams
)
2183 avctx
= ic
->streams
[stream_index
]->codec
;
2185 /* prepare audio output */
2186 if (avctx
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
2187 if (avctx
->channels
> 0) {
2188 avctx
->request_channels
= FFMIN(2, avctx
->channels
);
2190 avctx
->request_channels
= 2;
2194 codec
= avcodec_find_decoder(avctx
->codec_id
);
2195 avctx
->debug_mv
= debug_mv
;
2196 avctx
->debug
= debug
;
2197 avctx
->workaround_bugs
= workaround_bugs
;
2198 avctx
->lowres
= lowres
;
2199 if(lowres
) avctx
->flags
|= CODEC_FLAG_EMU_EDGE
;
2200 avctx
->idct_algo
= idct
;
2201 if(fast
) avctx
->flags2
|= CODEC_FLAG2_FAST
;
2202 avctx
->skip_frame
= skip_frame
;
2203 avctx
->skip_idct
= skip_idct
;
2204 avctx
->skip_loop_filter
= skip_loop_filter
;
2205 avctx
->error_recognition
= error_recognition
;
2206 avctx
->error_concealment
= error_concealment
;
2207 avcodec_thread_init(avctx
, thread_count
);
2209 set_context_opts(avctx
, avcodec_opts
[avctx
->codec_type
], 0);
2212 avcodec_open(avctx
, codec
) < 0)
2215 /* prepare audio output */
2216 if (avctx
->codec_type
== AVMEDIA_TYPE_AUDIO
) {
2217 wanted_spec
.freq
= avctx
->sample_rate
;
2218 wanted_spec
.format
= AUDIO_S16SYS
;
2219 wanted_spec
.channels
= avctx
->channels
;
2220 wanted_spec
.silence
= 0;
2221 wanted_spec
.samples
= SDL_AUDIO_BUFFER_SIZE
;
2222 wanted_spec
.callback
= sdl_audio_callback
;
2223 wanted_spec
.userdata
= is
;
2224 if (SDL_OpenAudio(&wanted_spec
, &spec
) < 0) {
2225 fprintf(stderr
, "SDL_OpenAudio: %s\n", SDL_GetError());
2228 is
->audio_hw_buf_size
= spec
.size
;
2229 is
->audio_src_fmt
= SAMPLE_FMT_S16
;
2232 ic
->streams
[stream_index
]->discard
= AVDISCARD_DEFAULT
;
2233 switch(avctx
->codec_type
) {
2234 case AVMEDIA_TYPE_AUDIO
:
2235 is
->audio_stream
= stream_index
;
2236 is
->audio_st
= ic
->streams
[stream_index
];
2237 is
->audio_buf_size
= 0;
2238 is
->audio_buf_index
= 0;
2240 /* init averaging filter */
2241 is
->audio_diff_avg_coef
= exp(log(0.01) / AUDIO_DIFF_AVG_NB
);
2242 is
->audio_diff_avg_count
= 0;
2243 /* since we do not have a precise anough audio fifo fullness,
2244 we correct audio sync only if larger than this threshold */
2245 is
->audio_diff_threshold
= 2.0 * SDL_AUDIO_BUFFER_SIZE
/ avctx
->sample_rate
;
2247 memset(&is
->audio_pkt
, 0, sizeof(is
->audio_pkt
));
2248 packet_queue_init(&is
->audioq
);
2251 case AVMEDIA_TYPE_VIDEO
:
2252 is
->video_stream
= stream_index
;
2253 is
->video_st
= ic
->streams
[stream_index
];
2255 // is->video_current_pts_time = av_gettime();
2257 packet_queue_init(&is
->videoq
);
2258 is
->video_tid
= SDL_CreateThread(video_thread
, is
);
2260 case AVMEDIA_TYPE_SUBTITLE
:
2261 is
->subtitle_stream
= stream_index
;
2262 is
->subtitle_st
= ic
->streams
[stream_index
];
2263 packet_queue_init(&is
->subtitleq
);
2265 is
->subtitle_tid
= SDL_CreateThread(subtitle_thread
, is
);
2273 static void stream_component_close(VideoState
*is
, int stream_index
)
2275 AVFormatContext
*ic
= is
->ic
;
2276 AVCodecContext
*avctx
;
2278 if (stream_index
< 0 || stream_index
>= ic
->nb_streams
)
2280 avctx
= ic
->streams
[stream_index
]->codec
;
2282 switch(avctx
->codec_type
) {
2283 case AVMEDIA_TYPE_AUDIO
:
2284 packet_queue_abort(&is
->audioq
);
2288 packet_queue_end(&is
->audioq
);
2289 if (is
->reformat_ctx
)
2290 av_audio_convert_free(is
->reformat_ctx
);
2291 is
->reformat_ctx
= NULL
;
2293 case AVMEDIA_TYPE_VIDEO
:
2294 packet_queue_abort(&is
->videoq
);
2296 /* note: we also signal this mutex to make sure we deblock the
2297 video thread in all cases */
2298 SDL_LockMutex(is
->pictq_mutex
);
2299 SDL_CondSignal(is
->pictq_cond
);
2300 SDL_UnlockMutex(is
->pictq_mutex
);
2302 SDL_WaitThread(is
->video_tid
, NULL
);
2304 packet_queue_end(&is
->videoq
);
2306 case AVMEDIA_TYPE_SUBTITLE
:
2307 packet_queue_abort(&is
->subtitleq
);
2309 /* note: we also signal this mutex to make sure we deblock the
2310 video thread in all cases */
2311 SDL_LockMutex(is
->subpq_mutex
);
2312 is
->subtitle_stream_changed
= 1;
2314 SDL_CondSignal(is
->subpq_cond
);
2315 SDL_UnlockMutex(is
->subpq_mutex
);
2317 SDL_WaitThread(is
->subtitle_tid
, NULL
);
2319 packet_queue_end(&is
->subtitleq
);
2325 ic
->streams
[stream_index
]->discard
= AVDISCARD_ALL
;
2326 avcodec_close(avctx
);
2327 switch(avctx
->codec_type
) {
2328 case AVMEDIA_TYPE_AUDIO
:
2329 is
->audio_st
= NULL
;
2330 is
->audio_stream
= -1;
2332 case AVMEDIA_TYPE_VIDEO
:
2333 is
->video_st
= NULL
;
2334 is
->video_stream
= -1;
2336 case AVMEDIA_TYPE_SUBTITLE
:
2337 is
->subtitle_st
= NULL
;
2338 is
->subtitle_stream
= -1;
2345 /* since we have only one decoding thread, we can use a global
2346 variable instead of a thread local variable */
2347 static VideoState
*global_video_state
;
2349 static int decode_interrupt_cb(void)
2351 return (global_video_state
&& global_video_state
->abort_request
);
2354 /* this thread gets the stream from the disk or the network */
2355 static int decode_thread(void *arg
)
2357 VideoState
*is
= arg
;
2358 AVFormatContext
*ic
;
2360 int st_index
[AVMEDIA_TYPE_NB
];
2361 int st_count
[AVMEDIA_TYPE_NB
]={0};
2362 int st_best_packet_count
[AVMEDIA_TYPE_NB
];
2363 AVPacket pkt1
, *pkt
= &pkt1
;
2364 AVFormatParameters params
, *ap
= ¶ms
;
2366 int pkt_in_play_range
= 0;
2368 ic
= avformat_alloc_context();
2370 memset(st_index
, -1, sizeof(st_index
));
2371 memset(st_best_packet_count
, -1, sizeof(st_best_packet_count
));
2372 is
->video_stream
= -1;
2373 is
->audio_stream
= -1;
2374 is
->subtitle_stream
= -1;
2376 global_video_state
= is
;
2377 url_set_interrupt_cb(decode_interrupt_cb
);
2379 memset(ap
, 0, sizeof(*ap
));
2381 ap
->prealloced_context
= 1;
2382 ap
->width
= frame_width
;
2383 ap
->height
= frame_height
;
2384 ap
->time_base
= (AVRational
){1, 25};
2385 ap
->pix_fmt
= frame_pix_fmt
;
2387 set_context_opts(ic
, avformat_opts
, AV_OPT_FLAG_DECODING_PARAM
);
2389 err
= av_open_input_file(&ic
, is
->filename
, is
->iformat
, 0, ap
);
2391 print_error(is
->filename
, err
);
2398 ic
->flags
|= AVFMT_FLAG_GENPTS
;
2400 err
= av_find_stream_info(ic
);
2402 fprintf(stderr
, "%s: could not find codec parameters\n", is
->filename
);
2407 ic
->pb
->eof_reached
= 0; //FIXME hack, ffplay maybe should not use url_feof() to test for the end
2410 seek_by_bytes
= !!(ic
->iformat
->flags
& AVFMT_TS_DISCONT
);
2412 /* if seeking requested, we execute it */
2413 if (start_time
!= AV_NOPTS_VALUE
) {
2416 timestamp
= start_time
;
2417 /* add the stream start time */
2418 if (ic
->start_time
!= AV_NOPTS_VALUE
)
2419 timestamp
+= ic
->start_time
;
2420 ret
= avformat_seek_file(ic
, -1, INT64_MIN
, timestamp
, INT64_MAX
, 0);
2422 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
2423 is
->filename
, (double)timestamp
/ AV_TIME_BASE
);
2427 for(i
= 0; i
< ic
->nb_streams
; i
++) {
2428 AVStream
*st
= ic
->streams
[i
];
2429 AVCodecContext
*avctx
= st
->codec
;
2430 ic
->streams
[i
]->discard
= AVDISCARD_ALL
;
2431 if(avctx
->codec_type
>= (unsigned)AVMEDIA_TYPE_NB
)
2433 if(st_count
[avctx
->codec_type
]++ != wanted_stream
[avctx
->codec_type
] && wanted_stream
[avctx
->codec_type
] >= 0)
2436 if(st_best_packet_count
[avctx
->codec_type
] >= st
->codec_info_nb_frames
)
2438 st_best_packet_count
[avctx
->codec_type
]= st
->codec_info_nb_frames
;
2440 switch(avctx
->codec_type
) {
2441 case AVMEDIA_TYPE_AUDIO
:
2443 st_index
[AVMEDIA_TYPE_AUDIO
] = i
;
2445 case AVMEDIA_TYPE_VIDEO
:
2446 case AVMEDIA_TYPE_SUBTITLE
:
2448 st_index
[avctx
->codec_type
] = i
;
2455 dump_format(ic
, 0, is
->filename
, 0);
2458 /* open the streams */
2459 if (st_index
[AVMEDIA_TYPE_AUDIO
] >= 0) {
2460 stream_component_open(is
, st_index
[AVMEDIA_TYPE_AUDIO
]);
2464 if (st_index
[AVMEDIA_TYPE_VIDEO
] >= 0) {
2465 ret
= stream_component_open(is
, st_index
[AVMEDIA_TYPE_VIDEO
]);
2467 is
->refresh_tid
= SDL_CreateThread(refresh_thread
, is
);
2469 if (!display_disable
)
2473 if (st_index
[AVMEDIA_TYPE_SUBTITLE
] >= 0) {
2474 stream_component_open(is
, st_index
[AVMEDIA_TYPE_SUBTITLE
]);
2477 if (is
->video_stream
< 0 && is
->audio_stream
< 0) {
2478 fprintf(stderr
, "%s: could not open codecs\n", is
->filename
);
2484 if (is
->abort_request
)
2486 if (is
->paused
!= is
->last_paused
) {
2487 is
->last_paused
= is
->paused
;
2489 is
->read_pause_return
= av_read_pause(ic
);
2493 #if CONFIG_RTSP_DEMUXER
2494 if (is
->paused
&& !strcmp(ic
->iformat
->name
, "rtsp")) {
2495 /* wait 10 ms to avoid trying to get another packet */
2502 int64_t seek_target
= is
->seek_pos
;
2503 int64_t seek_min
= is
->seek_rel
> 0 ? seek_target
- is
->seek_rel
+ 2: INT64_MIN
;
2504 int64_t seek_max
= is
->seek_rel
< 0 ? seek_target
- is
->seek_rel
- 2: INT64_MAX
;
2505 //FIXME the +-2 is due to rounding being not done in the correct direction in generation
2506 // of the seek_pos/seek_rel variables
2508 ret
= avformat_seek_file(is
->ic
, -1, seek_min
, seek_target
, seek_max
, is
->seek_flags
);
2510 fprintf(stderr
, "%s: error while seeking\n", is
->ic
->filename
);
2512 if (is
->audio_stream
>= 0) {
2513 packet_queue_flush(&is
->audioq
);
2514 packet_queue_put(&is
->audioq
, &flush_pkt
);
2516 if (is
->subtitle_stream
>= 0) {
2517 packet_queue_flush(&is
->subtitleq
);
2518 packet_queue_put(&is
->subtitleq
, &flush_pkt
);
2520 if (is
->video_stream
>= 0) {
2521 packet_queue_flush(&is
->videoq
);
2522 packet_queue_put(&is
->videoq
, &flush_pkt
);
2529 /* if the queue are full, no need to read more */
2530 if ( is
->audioq
.size
+ is
->videoq
.size
+ is
->subtitleq
.size
> MAX_QUEUE_SIZE
2531 || ( (is
->audioq
.size
> MIN_AUDIOQ_SIZE
|| is
->audio_stream
<0)
2532 && (is
->videoq
.nb_packets
> MIN_FRAMES
|| is
->video_stream
<0)
2533 && (is
->subtitleq
.nb_packets
> MIN_FRAMES
|| is
->subtitle_stream
<0))) {
2538 if(url_feof(ic
->pb
) || eof
) {
2539 if(is
->video_stream
>= 0){
2540 av_init_packet(pkt
);
2543 pkt
->stream_index
= is
->video_stream
;
2544 packet_queue_put(&is
->videoq
, pkt
);
2547 if(is
->audioq
.size
+ is
->videoq
.size
+ is
->subtitleq
.size
==0){
2548 if(loop
!=1 && (!loop
|| --loop
)){
2549 stream_seek(cur_stream
, start_time
!= AV_NOPTS_VALUE
? start_time
: 0, 0, 0);
2557 ret
= av_read_frame(ic
, pkt
);
2559 if (ret
== AVERROR_EOF
)
2561 if (url_ferror(ic
->pb
))
2563 SDL_Delay(100); /* wait for user event */
2566 /* check if packet is in play range specified by user, then queue, otherwise discard */
2567 pkt_in_play_range
= duration
== AV_NOPTS_VALUE
||
2568 (pkt
->pts
- ic
->streams
[pkt
->stream_index
]->start_time
) *
2569 av_q2d(ic
->streams
[pkt
->stream_index
]->time_base
) -
2570 (double)(start_time
!= AV_NOPTS_VALUE
? start_time
: 0)/1000000
2571 <= ((double)duration
/1000000);
2572 if (pkt
->stream_index
== is
->audio_stream
&& pkt_in_play_range
) {
2573 packet_queue_put(&is
->audioq
, pkt
);
2574 } else if (pkt
->stream_index
== is
->video_stream
&& pkt_in_play_range
) {
2575 packet_queue_put(&is
->videoq
, pkt
);
2576 } else if (pkt
->stream_index
== is
->subtitle_stream
&& pkt_in_play_range
) {
2577 packet_queue_put(&is
->subtitleq
, pkt
);
2579 av_free_packet(pkt
);
2582 /* wait until the end */
2583 while (!is
->abort_request
) {
2589 /* disable interrupting */
2590 global_video_state
= NULL
;
2592 /* close each stream */
2593 if (is
->audio_stream
>= 0)
2594 stream_component_close(is
, is
->audio_stream
);
2595 if (is
->video_stream
>= 0)
2596 stream_component_close(is
, is
->video_stream
);
2597 if (is
->subtitle_stream
>= 0)
2598 stream_component_close(is
, is
->subtitle_stream
);
2600 av_close_input_file(is
->ic
);
2601 is
->ic
= NULL
; /* safety */
2603 url_set_interrupt_cb(NULL
);
2608 event
.type
= FF_QUIT_EVENT
;
2609 event
.user
.data1
= is
;
2610 SDL_PushEvent(&event
);
2615 static VideoState
*stream_open(const char *filename
, AVInputFormat
*iformat
)
2619 is
= av_mallocz(sizeof(VideoState
));
2622 av_strlcpy(is
->filename
, filename
, sizeof(is
->filename
));
2623 is
->iformat
= iformat
;
2627 /* start video display */
2628 is
->pictq_mutex
= SDL_CreateMutex();
2629 is
->pictq_cond
= SDL_CreateCond();
2631 is
->subpq_mutex
= SDL_CreateMutex();
2632 is
->subpq_cond
= SDL_CreateCond();
2634 is
->av_sync_type
= av_sync_type
;
2635 is
->parse_tid
= SDL_CreateThread(decode_thread
, is
);
2636 if (!is
->parse_tid
) {
2643 static void stream_close(VideoState
*is
)
2647 /* XXX: use a special url_shutdown call to abort parse cleanly */
2648 is
->abort_request
= 1;
2649 SDL_WaitThread(is
->parse_tid
, NULL
);
2650 SDL_WaitThread(is
->refresh_tid
, NULL
);
2652 /* free all pictures */
2653 for(i
=0;i
<VIDEO_PICTURE_QUEUE_SIZE
; i
++) {
2657 avfilter_unref_pic(vp
->picref
);
2662 SDL_FreeYUVOverlay(vp
->bmp
);
2666 SDL_DestroyMutex(is
->pictq_mutex
);
2667 SDL_DestroyCond(is
->pictq_cond
);
2668 SDL_DestroyMutex(is
->subpq_mutex
);
2669 SDL_DestroyCond(is
->subpq_cond
);
2670 #if !CONFIG_AVFILTER
2671 if (is
->img_convert_ctx
)
2672 sws_freeContext(is
->img_convert_ctx
);
2677 static void stream_cycle_channel(VideoState
*is
, int codec_type
)
2679 AVFormatContext
*ic
= is
->ic
;
2680 int start_index
, stream_index
;
2683 if (codec_type
== AVMEDIA_TYPE_VIDEO
)
2684 start_index
= is
->video_stream
;
2685 else if (codec_type
== AVMEDIA_TYPE_AUDIO
)
2686 start_index
= is
->audio_stream
;
2688 start_index
= is
->subtitle_stream
;
2689 if (start_index
< (codec_type
== AVMEDIA_TYPE_SUBTITLE
? -1 : 0))
2691 stream_index
= start_index
;
2693 if (++stream_index
>= is
->ic
->nb_streams
)
2695 if (codec_type
== AVMEDIA_TYPE_SUBTITLE
)
2702 if (stream_index
== start_index
)
2704 st
= ic
->streams
[stream_index
];
2705 if (st
->codec
->codec_type
== codec_type
) {
2706 /* check that parameters are OK */
2707 switch(codec_type
) {
2708 case AVMEDIA_TYPE_AUDIO
:
2709 if (st
->codec
->sample_rate
!= 0 &&
2710 st
->codec
->channels
!= 0)
2713 case AVMEDIA_TYPE_VIDEO
:
2714 case AVMEDIA_TYPE_SUBTITLE
:
2722 stream_component_close(is
, start_index
);
2723 stream_component_open(is
, stream_index
);
2727 static void toggle_full_screen(void)
2729 is_full_screen
= !is_full_screen
;
2730 if (!fs_screen_width
) {
2731 /* use default SDL method */
2732 // SDL_WM_ToggleFullScreen(screen);
2734 video_open(cur_stream
);
2737 static void toggle_pause(void)
2740 stream_pause(cur_stream
);
2744 static void step_to_next_frame(void)
2747 /* if the stream is paused unpause it, then step */
2748 if (cur_stream
->paused
)
2749 stream_pause(cur_stream
);
2754 static void do_exit(void)
2758 stream_close(cur_stream
);
2761 for (i
= 0; i
< AVMEDIA_TYPE_NB
; i
++)
2762 av_free(avcodec_opts
[i
]);
2763 av_free(avformat_opts
);
2774 static void toggle_audio_display(void)
2777 int bgcolor
= SDL_MapRGB(screen
->format
, 0x00, 0x00, 0x00);
2778 cur_stream
->show_audio
= (cur_stream
->show_audio
+ 1) % 3;
2779 fill_rectangle(screen
,
2780 cur_stream
->xleft
, cur_stream
->ytop
, cur_stream
->width
, cur_stream
->height
,
2782 SDL_UpdateRect(screen
, cur_stream
->xleft
, cur_stream
->ytop
, cur_stream
->width
, cur_stream
->height
);
2786 /* handle an event sent by the GUI */
2787 static void event_loop(void)
2790 double incr
, pos
, frac
;
2794 SDL_WaitEvent(&event
);
2795 switch(event
.type
) {
2797 switch(event
.key
.keysym
.sym
) {
2803 toggle_full_screen();
2809 case SDLK_s
: //S: Step to next frame
2810 step_to_next_frame();
2814 stream_cycle_channel(cur_stream
, AVMEDIA_TYPE_AUDIO
);
2818 stream_cycle_channel(cur_stream
, AVMEDIA_TYPE_VIDEO
);
2822 stream_cycle_channel(cur_stream
, AVMEDIA_TYPE_SUBTITLE
);
2825 toggle_audio_display();
2840 if (seek_by_bytes
) {
2841 if (cur_stream
->video_stream
>= 0 && cur_stream
->video_current_pos
>=0){
2842 pos
= cur_stream
->video_current_pos
;
2843 }else if(cur_stream
->audio_stream
>= 0 && cur_stream
->audio_pkt
.pos
>=0){
2844 pos
= cur_stream
->audio_pkt
.pos
;
2846 pos
= url_ftell(cur_stream
->ic
->pb
);
2847 if (cur_stream
->ic
->bit_rate
)
2848 incr
*= cur_stream
->ic
->bit_rate
/ 8.0;
2852 stream_seek(cur_stream
, pos
, incr
, 1);
2854 pos
= get_master_clock(cur_stream
);
2856 stream_seek(cur_stream
, (int64_t)(pos
* AV_TIME_BASE
), (int64_t)(incr
* AV_TIME_BASE
), 0);
2864 case SDL_MOUSEBUTTONDOWN
:
2865 case SDL_MOUSEMOTION
:
2866 if(event
.type
==SDL_MOUSEBUTTONDOWN
){
2869 if(event
.motion
.state
!= SDL_PRESSED
)
2874 if(seek_by_bytes
|| cur_stream
->ic
->duration
<=0){
2875 uint64_t size
= url_fsize(cur_stream
->ic
->pb
);
2876 stream_seek(cur_stream
, size
*x
/cur_stream
->width
, 0, 1);
2880 int tns
, thh
, tmm
, tss
;
2881 tns
= cur_stream
->ic
->duration
/1000000LL;
2883 tmm
= (tns
%3600)/60;
2885 frac
= x
/cur_stream
->width
;
2890 fprintf(stderr
, "Seek to %2.0f%% (%2d:%02d:%02d) of total duration (%2d:%02d:%02d) \n", frac
*100,
2891 hh
, mm
, ss
, thh
, tmm
, tss
);
2892 ts
= frac
*cur_stream
->ic
->duration
;
2893 if (cur_stream
->ic
->start_time
!= AV_NOPTS_VALUE
)
2894 ts
+= cur_stream
->ic
->start_time
;
2895 stream_seek(cur_stream
, ts
, 0, 0);
2899 case SDL_VIDEORESIZE
:
2901 screen
= SDL_SetVideoMode(event
.resize
.w
, event
.resize
.h
, 0,
2902 SDL_HWSURFACE
|SDL_RESIZABLE
|SDL_ASYNCBLIT
|SDL_HWACCEL
);
2903 screen_width
= cur_stream
->width
= event
.resize
.w
;
2904 screen_height
= cur_stream
->height
= event
.resize
.h
;
2911 case FF_ALLOC_EVENT
:
2912 video_open(event
.user
.data1
);
2913 alloc_picture(event
.user
.data1
);
2915 case FF_REFRESH_EVENT
:
2916 video_refresh_timer(event
.user
.data1
);
2917 cur_stream
->refresh
=0;
2925 static void opt_frame_size(const char *arg
)
2927 if (av_parse_video_frame_size(&frame_width
, &frame_height
, arg
) < 0) {
2928 fprintf(stderr
, "Incorrect frame size\n");
2931 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
2932 fprintf(stderr
, "Frame size must be a multiple of 2\n");
2937 static int opt_width(const char *opt
, const char *arg
)
2939 screen_width
= parse_number_or_die(opt
, arg
, OPT_INT64
, 1, INT_MAX
);
2943 static int opt_height(const char *opt
, const char *arg
)
2945 screen_height
= parse_number_or_die(opt
, arg
, OPT_INT64
, 1, INT_MAX
);
2949 static void opt_format(const char *arg
)
2951 file_iformat
= av_find_input_format(arg
);
2952 if (!file_iformat
) {
2953 fprintf(stderr
, "Unknown input format: %s\n", arg
);
2958 static void opt_frame_pix_fmt(const char *arg
)
2960 frame_pix_fmt
= av_get_pix_fmt(arg
);
2963 static int opt_sync(const char *opt
, const char *arg
)
2965 if (!strcmp(arg
, "audio"))
2966 av_sync_type
= AV_SYNC_AUDIO_MASTER
;
2967 else if (!strcmp(arg
, "video"))
2968 av_sync_type
= AV_SYNC_VIDEO_MASTER
;
2969 else if (!strcmp(arg
, "ext"))
2970 av_sync_type
= AV_SYNC_EXTERNAL_CLOCK
;
2972 fprintf(stderr
, "Unknown value for %s: %s\n", opt
, arg
);
2978 static int opt_seek(const char *opt
, const char *arg
)
2980 start_time
= parse_time_or_die(opt
, arg
, 1);
2984 static int opt_duration(const char *opt
, const char *arg
)
2986 duration
= parse_time_or_die(opt
, arg
, 1);
2990 static int opt_debug(const char *opt
, const char *arg
)
2992 av_log_set_level(99);
2993 debug
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
2997 static int opt_vismv(const char *opt
, const char *arg
)
2999 debug_mv
= parse_number_or_die(opt
, arg
, OPT_INT64
, INT_MIN
, INT_MAX
);
3003 static int opt_thread_count(const char *opt
, const char *arg
)
3005 thread_count
= parse_number_or_die(opt
, arg
, OPT_INT64
, 0, INT_MAX
);
3007 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
3012 static const OptionDef options
[] = {
3013 #include "cmdutils_common_opts.h"
3014 { "x", HAS_ARG
| OPT_FUNC2
, {(void*)opt_width
}, "force displayed width", "width" },
3015 { "y", HAS_ARG
| OPT_FUNC2
, {(void*)opt_height
}, "force displayed height", "height" },
3016 { "s", HAS_ARG
| OPT_VIDEO
, {(void*)opt_frame_size
}, "set frame size (WxH or abbreviation)", "size" },
3017 { "fs", OPT_BOOL
, {(void*)&is_full_screen
}, "force full screen" },
3018 { "an", OPT_BOOL
, {(void*)&audio_disable
}, "disable audio" },
3019 { "vn", OPT_BOOL
, {(void*)&video_disable
}, "disable video" },
3020 { "ast", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&wanted_stream
[AVMEDIA_TYPE_AUDIO
]}, "select desired audio stream", "stream_number" },
3021 { "vst", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&wanted_stream
[AVMEDIA_TYPE_VIDEO
]}, "select desired video stream", "stream_number" },
3022 { "sst", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&wanted_stream
[AVMEDIA_TYPE_SUBTITLE
]}, "select desired subtitle stream", "stream_number" },
3023 { "ss", HAS_ARG
| OPT_FUNC2
, {(void*)&opt_seek
}, "seek to a given position in seconds", "pos" },
3024 { "t", HAS_ARG
| OPT_FUNC2
, {(void*)&opt_duration
}, "play \"duration\" seconds of audio/video", "duration" },
3025 { "bytes", OPT_INT
| HAS_ARG
, {(void*)&seek_by_bytes
}, "seek by bytes 0=off 1=on -1=auto", "val" },
3026 { "nodisp", OPT_BOOL
, {(void*)&display_disable
}, "disable graphical display" },
3027 { "f", HAS_ARG
, {(void*)opt_format
}, "force format", "fmt" },
3028 { "pix_fmt", HAS_ARG
| OPT_EXPERT
| OPT_VIDEO
, {(void*)opt_frame_pix_fmt
}, "set pixel format", "format" },
3029 { "stats", OPT_BOOL
| OPT_EXPERT
, {(void*)&show_status
}, "show status", "" },
3030 { "debug", HAS_ARG
| OPT_FUNC2
| OPT_EXPERT
, {(void*)opt_debug
}, "print specific debug info", "" },
3031 { "bug", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&workaround_bugs
}, "workaround bugs", "" },
3032 { "vismv", HAS_ARG
| OPT_FUNC2
| OPT_EXPERT
, {(void*)opt_vismv
}, "visualize motion vectors", "" },
3033 { "fast", OPT_BOOL
| OPT_EXPERT
, {(void*)&fast
}, "non spec compliant optimizations", "" },
3034 { "genpts", OPT_BOOL
| OPT_EXPERT
, {(void*)&genpts
}, "generate pts", "" },
3035 { "drp", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&decoder_reorder_pts
}, "let decoder reorder pts 0=off 1=on -1=auto", ""},
3036 { "lowres", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&lowres
}, "", "" },
3037 { "skiploop", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_loop_filter
}, "", "" },
3038 { "skipframe", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_frame
}, "", "" },
3039 { "skipidct", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&skip_idct
}, "", "" },
3040 { "idct", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&idct
}, "set idct algo", "algo" },
3041 { "er", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&error_recognition
}, "set error detection threshold (0-4)", "threshold" },
3042 { "ec", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&error_concealment
}, "set error concealment options", "bit_mask" },
3043 { "sync", HAS_ARG
| OPT_FUNC2
| OPT_EXPERT
, {(void*)opt_sync
}, "set audio-video sync. type (type=audio/video/ext)", "type" },
3044 { "threads", HAS_ARG
| OPT_FUNC2
| OPT_EXPERT
, {(void*)opt_thread_count
}, "thread count", "count" },
3045 { "autoexit", OPT_BOOL
| OPT_EXPERT
, {(void*)&autoexit
}, "exit at the end", "" },
3046 { "loop", OPT_INT
| HAS_ARG
| OPT_EXPERT
, {(void*)&loop
}, "set number of times the playback shall be looped", "loop count" },
3047 { "framedrop", OPT_BOOL
| OPT_EXPERT
, {(void*)&framedrop
}, "drop frames when cpu is too slow", "" },
3048 { "window_title", OPT_STRING
| HAS_ARG
, {(void*)&window_title
}, "set window title", "window title" },
3050 { "vfilters", OPT_STRING
| HAS_ARG
, {(void*)&vfilters
}, "video filters", "filter list" },
3052 { "rdftspeed", OPT_INT
| HAS_ARG
| OPT_AUDIO
| OPT_EXPERT
, {(void*)&rdftspeed
}, "rdft speed", "msecs" },
3053 { "default", OPT_FUNC2
| HAS_ARG
| OPT_AUDIO
| OPT_VIDEO
| OPT_EXPERT
, {(void*)opt_default
}, "generic catch all option", "" },
3057 static void show_usage(void)
3059 printf("Simple media player\n");
3060 printf("usage: ffplay [options] input_file\n");
3064 static void show_help(void)
3067 show_help_options(options
, "Main options:\n",
3069 show_help_options(options
, "\nAdvanced options:\n",
3070 OPT_EXPERT
, OPT_EXPERT
);
3071 printf("\nWhile playing:\n"
3073 "f toggle full screen\n"
3075 "a cycle audio channel\n"
3076 "v cycle video channel\n"
3077 "t cycle subtitle channel\n"
3078 "w show audio waves\n"
3079 "s activate frame-step mode\n"
3080 "left/right seek backward/forward 10 seconds\n"
3081 "down/up seek backward/forward 1 minute\n"
3082 "mouse click seek to percentage in file corresponding to fraction of width\n"
3086 static void opt_input_file(const char *filename
)
3088 if (input_filename
) {
3089 fprintf(stderr
, "Argument '%s' provided as input filename, but '%s' was already specified.\n",
3090 filename
, input_filename
);
3093 if (!strcmp(filename
, "-"))
3095 input_filename
= filename
;
3098 /* Called from the main */
3099 int main(int argc
, char **argv
)
3103 /* register all codecs, demux and protocols */
3104 avcodec_register_all();
3106 avdevice_register_all();
3109 avfilter_register_all();
3113 for(i
=0; i
<AVMEDIA_TYPE_NB
; i
++){
3114 avcodec_opts
[i
]= avcodec_alloc_context2(i
);
3116 avformat_opts
= avformat_alloc_context();
3117 #if !CONFIG_AVFILTER
3118 sws_opts
= sws_getContext(16,16,0, 16,16,0, sws_flags
, NULL
,NULL
,NULL
);
3123 parse_options(argc
, argv
, options
, opt_input_file
);
3125 if (!input_filename
) {
3127 fprintf(stderr
, "An input file must be specified\n");
3128 fprintf(stderr
, "Use -h to get full help or, even better, run 'man ffplay'\n");
3132 if (display_disable
) {
3135 flags
= SDL_INIT_VIDEO
| SDL_INIT_AUDIO
| SDL_INIT_TIMER
;
3136 #if !defined(__MINGW32__) && !defined(__APPLE__)
3137 flags
|= SDL_INIT_EVENTTHREAD
; /* Not supported on Windows or Mac OS X */
3139 if (SDL_Init (flags
)) {
3140 fprintf(stderr
, "Could not initialize SDL - %s\n", SDL_GetError());
3144 if (!display_disable
) {
3145 #if HAVE_SDL_VIDEO_SIZE
3146 const SDL_VideoInfo
*vi
= SDL_GetVideoInfo();
3147 fs_screen_width
= vi
->current_w
;
3148 fs_screen_height
= vi
->current_h
;
3152 SDL_EventState(SDL_ACTIVEEVENT
, SDL_IGNORE
);
3153 SDL_EventState(SDL_SYSWMEVENT
, SDL_IGNORE
);
3154 SDL_EventState(SDL_USEREVENT
, SDL_IGNORE
);
3156 av_init_packet(&flush_pkt
);
3157 flush_pkt
.data
= "FLUSH";
3159 cur_stream
= stream_open(input_filename
, file_iformat
);