12 #include "libavutil/common.h"
13 #include "ffmpeg_files/intreadwrite.h"
15 #include "fmt-conversion.h"
18 #include "img_format.h"
19 #include "libmpdemux/stheader.h"
20 #include "codec-cfg.h"
22 static const vd_info_t info
= {
23 "FFmpeg's libavcodec codec family",
26 "A'rpi, Michael, Alex",
30 #include "libavcodec/avcodec.h"
32 #if AVPALETTE_SIZE > 1024
33 #error palette too large, adapt libmpcodecs/vf.c:vf_get_image
37 #include "libavcodec/xvmc.h"
40 int avcodec_initialized
=0;
43 AVCodecContext
*avctx
;
45 enum PixelFormat pix_fmt
;
57 AVRational last_sample_aspect_ratio
;
63 static int get_buffer(AVCodecContext
*avctx
, AVFrame
*pic
);
64 static void release_buffer(AVCodecContext
*avctx
, AVFrame
*pic
);
65 static void draw_slice(struct AVCodecContext
*s
, const AVFrame
*src
,
66 int offset
[4], int y
, int type
, int height
);
68 static enum PixelFormat
get_format(struct AVCodecContext
*avctx
,
69 const enum PixelFormat
*pix_fmt
);
70 static void uninit(struct sh_video
*sh
);
72 const m_option_t lavc_decode_opts_conf
[]={
73 OPT_INTRANGE("bug", lavc_param
.workaround_bugs
, 0, -1, 999999),
74 OPT_INTRANGE("er", lavc_param
.error_resilience
, 0, 0, 99),
75 OPT_FLAG_ON("gray", lavc_param
.gray
, 0),
76 OPT_INTRANGE("idct", lavc_param
.idct_algo
, 0, 0, 99),
77 OPT_INTRANGE("ec", lavc_param
.error_concealment
, 0, 0, 99),
78 OPT_FLAG_ON("vstats", lavc_param
.vstats
, 0),
79 OPT_INTRANGE("debug", lavc_param
.debug
, 0, 0, 9999999),
80 OPT_INTRANGE("vismv", lavc_param
.vismv
, 0, 0, 9999999),
81 OPT_INTRANGE("st", lavc_param
.skip_top
, 0, 0, 999),
82 OPT_INTRANGE("sb", lavc_param
.skip_bottom
, 0, 0, 999),
83 OPT_FLAG_CONSTANTS("fast", lavc_param
.fast
, 0, 0, CODEC_FLAG2_FAST
),
84 OPT_STRING("lowres", lavc_param
.lowres_str
, 0),
85 OPT_STRING("skiploopfilter", lavc_param
.skip_loop_filter_str
, 0),
86 OPT_STRING("skipidct", lavc_param
.skip_idct_str
, 0),
87 OPT_STRING("skipframe", lavc_param
.skip_frame_str
, 0),
88 OPT_INTRANGE("threads", lavc_param
.threads
, 0, 1, 8),
89 OPT_FLAG_CONSTANTS("bitexact", lavc_param
.bitexact
, 0, 0, CODEC_FLAG_BITEXACT
),
90 OPT_STRING("o", lavc_param
.avopt
, 0),
91 {NULL
, NULL
, 0, 0, 0, 0, NULL
}
94 static enum AVDiscard
str2AVDiscard(char *str
) {
95 if (!str
) return AVDISCARD_DEFAULT
;
96 if (strcasecmp(str
, "none" ) == 0) return AVDISCARD_NONE
;
97 if (strcasecmp(str
, "default") == 0) return AVDISCARD_DEFAULT
;
98 if (strcasecmp(str
, "nonref" ) == 0) return AVDISCARD_NONREF
;
99 if (strcasecmp(str
, "bidir" ) == 0) return AVDISCARD_BIDIR
;
100 if (strcasecmp(str
, "nonkey" ) == 0) return AVDISCARD_NONKEY
;
101 if (strcasecmp(str
, "all" ) == 0) return AVDISCARD_ALL
;
102 mp_msg(MSGT_DECVIDEO
, MSGL_ERR
, "Unknown discard value %s\n", str
);
103 return AVDISCARD_DEFAULT
;
106 // to set/get/query special features/parameters
107 static int control(sh_video_t
*sh
, int cmd
, void *arg
, ...){
108 vd_ffmpeg_ctx
*ctx
= sh
->context
;
109 AVCodecContext
*avctx
= ctx
->avctx
;
111 case VDCTRL_QUERY_FORMAT
:
113 int format
=(*((int *)arg
));
114 if(format
== ctx
->best_csp
) return CONTROL_TRUE
;//supported
115 // possible conversions:
120 // "converted" using pointer/stride modification
121 if(avctx
->pix_fmt
==PIX_FMT_YUV420P
) return CONTROL_TRUE
;// u/v swap
122 if(avctx
->pix_fmt
==PIX_FMT_YUV422P
&& !ctx
->do_dr1
) return CONTROL_TRUE
;// half stride
125 case IMGFMT_XVMC_IDCT_MPEG2
:
126 case IMGFMT_XVMC_MOCO_MPEG2
:
127 if(avctx
->pix_fmt
==PIX_FMT_XVMC_MPEG2_IDCT
) return CONTROL_TRUE
;
130 return CONTROL_FALSE
;
132 case VDCTRL_RESYNC_STREAM
:
133 avcodec_flush_buffers(avctx
);
135 case VDCTRL_QUERY_UNSEEN_FRAMES
:;
136 int delay
= avctx
->has_b_frames
;
137 #ifdef FF_THREAD_FRAME
138 // FFmpeg-mt has extra delay when using frame threading
139 if (avctx
->thread_type
& FF_THREAD_FRAME
)
140 delay
+= avctx
->thread_count
- 1;
144 return CONTROL_UNKNOWN
;
147 static void set_format_params(struct AVCodecContext
*avctx
, enum PixelFormat fmt
){
149 if (fmt
== PIX_FMT_NONE
)
151 imgfmt
= pixfmt2imgfmt(fmt
);
152 if (IMGFMT_IS_XVMC(imgfmt
) || IMGFMT_IS_VDPAU(imgfmt
)) {
153 sh_video_t
*sh
= avctx
->opaque
;
154 vd_ffmpeg_ctx
*ctx
= sh
->context
;
157 avctx
->thread_count
= 1;
158 avctx
->get_buffer
= get_buffer
;
159 avctx
->release_buffer
= release_buffer
;
160 avctx
->reget_buffer
= get_buffer
;
161 avctx
->draw_horiz_band
= draw_slice
;
162 mp_tmsg(MSGT_DECVIDEO
, MSGL_INFO
, "[VD_FFMPEG] XVMC-accelerated MPEG-2.\n");
163 avctx
->slice_flags
= SLICE_FLAG_CODED_ORDER
|SLICE_FLAG_ALLOW_FIELD
;
168 static int init(sh_video_t
*sh
){
169 struct lavc_param
*lavc_param
= &sh
->opts
->lavc_param
;
170 AVCodecContext
*avctx
;
174 int do_vis_debug
= lavc_param
->vismv
|| (lavc_param
->debug
&(FF_DEBUG_VIS_MB_TYPE
|FF_DEBUG_VIS_QP
));
176 if(!avcodec_initialized
){
178 avcodec_register_all();
179 avcodec_initialized
=1;
182 ctx
= sh
->context
= malloc(sizeof(vd_ffmpeg_ctx
));
185 memset(ctx
, 0, sizeof(vd_ffmpeg_ctx
));
187 lavc_codec
= (AVCodec
*)avcodec_find_decoder_by_name(sh
->codec
->dll
);
189 mp_tmsg(MSGT_DECVIDEO
, MSGL_ERR
, "Cannot find codec '%s' in libavcodec...\n", sh
->codec
->dll
);
194 if(sh
->opts
->vd_use_slices
&& (lavc_codec
->capabilities
&CODEC_CAP_DRAW_HORIZ_BAND
) && !do_vis_debug
)
197 if(lavc_codec
->capabilities
&CODEC_CAP_DR1
&& !do_vis_debug
&& lavc_codec
->id
!= CODEC_ID_H264
&& lavc_codec
->id
!= CODEC_ID_INTERPLAY_VIDEO
&& lavc_codec
->id
!= CODEC_ID_ROQ
)
199 ctx
->b_age
= ctx
->ip_age
[0]= ctx
->ip_age
[1]= 256*256*256*64;
200 ctx
->ip_count
= ctx
->b_count
= 0;
202 ctx
->pic
= avcodec_alloc_frame();
203 ctx
->avctx
= avcodec_alloc_context();
206 avctx
->codec_type
= CODEC_TYPE_VIDEO
;
207 avctx
->codec_id
= lavc_codec
->id
;
210 if(lavc_codec
->capabilities
& CODEC_CAP_HWACCEL_VDPAU
){
211 avctx
->get_format
= get_format
;
213 #endif /* CONFIG_VDPAU */
215 if(lavc_codec
->capabilities
& CODEC_CAP_HWACCEL
){
216 mp_tmsg(MSGT_DECVIDEO
, MSGL_INFO
, "[VD_FFMPEG] XVMC accelerated codec.\n");
217 avctx
->get_format
= get_format
;//for now only this decoder will use it
218 // HACK around badly placed checks in mpeg_mc_decode_init
219 set_format_params(avctx
, PIX_FMT_XVMC_MPEG2_IDCT
);
221 #endif /* CONFIG_XVMC */
223 avctx
->flags
|= CODEC_FLAG_EMU_EDGE
;
224 avctx
->get_buffer
= get_buffer
;
225 avctx
->release_buffer
= release_buffer
;
226 avctx
->reget_buffer
= get_buffer
;
229 avctx
->flags
|= lavc_param
->bitexact
;
231 avctx
->width
= sh
->disp_w
;
232 avctx
->height
= sh
->disp_h
;
233 avctx
->workaround_bugs
= lavc_param
->workaround_bugs
;
234 avctx
->error_recognition
= lavc_param
->error_resilience
;
235 if(lavc_param
->gray
) avctx
->flags
|= CODEC_FLAG_GRAY
;
236 avctx
->flags2
|= lavc_param
->fast
;
237 avctx
->codec_tag
= sh
->format
;
238 avctx
->stream_codec_tag
= sh
->video
.fccHandler
;
239 avctx
->idct_algo
= lavc_param
->idct_algo
;
240 avctx
->error_concealment
= lavc_param
->error_concealment
;
241 avctx
->debug
= lavc_param
->debug
;
242 if (lavc_param
->debug
)
243 av_log_set_level(AV_LOG_DEBUG
);
244 avctx
->debug_mv
= lavc_param
->vismv
;
245 avctx
->skip_top
= lavc_param
->skip_top
;
246 avctx
->skip_bottom
= lavc_param
->skip_bottom
;
247 if(lavc_param
->lowres_str
!= NULL
)
249 sscanf(lavc_param
->lowres_str
, "%d,%d", &ctx
->lowres
, &lowres_w
);
250 if(ctx
->lowres
< 1 || ctx
->lowres
> 16 || (lowres_w
> 0 && avctx
->width
< lowres_w
))
252 avctx
->lowres
= ctx
->lowres
;
254 avctx
->skip_loop_filter
= str2AVDiscard(lavc_param
->skip_loop_filter_str
);
255 avctx
->skip_idct
= str2AVDiscard(lavc_param
->skip_idct_str
);
256 avctx
->skip_frame
= str2AVDiscard(lavc_param
->skip_frame_str
);
258 if(lavc_param
->avopt
){
259 if(parse_avopts(avctx
, lavc_param
->avopt
) < 0){
260 mp_msg(MSGT_DECVIDEO
, MSGL_ERR
, "Your options /%s/ look like gibberish to me pal\n", lavc_param
->avopt
);
266 mp_dbg(MSGT_DECVIDEO
, MSGL_DBG2
, "libavcodec.size: %d x %d\n", avctx
->width
, avctx
->height
);
267 switch (sh
->format
) {
268 case mmioFOURCC('S','V','Q','3'):
269 /* SVQ3 extradata can show up as sh->ImageDesc if demux_mov is used, or
270 in the phony AVI header if demux_lavf is used. The first case is
271 handled here; the second case falls through to the next section. */
273 avctx
->extradata_size
= (*(int *)sh
->ImageDesc
) - sizeof(int);
274 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+ FF_INPUT_BUFFER_PADDING_SIZE
);
275 memcpy(avctx
->extradata
, ((int *)sh
->ImageDesc
)+1, avctx
->extradata_size
);
280 case mmioFOURCC('A','V','R','n'):
281 case mmioFOURCC('M','J','P','G'):
282 /* AVRn stores huffman table in AVI header */
283 /* Pegasus MJPEG stores it also in AVI header, but it uses the common
285 if (!sh
->bih
|| sh
->bih
->biSize
<= sizeof(BITMAPINFOHEADER
))
287 avctx
->flags
|= CODEC_FLAG_EXTERN_HUFF
;
288 avctx
->extradata_size
= sh
->bih
->biSize
-sizeof(BITMAPINFOHEADER
);
289 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+ FF_INPUT_BUFFER_PADDING_SIZE
);
290 memcpy(avctx
->extradata
, sh
->bih
+1, avctx
->extradata_size
);
295 uint8_t *p
= avctx
->extradata
;
297 for (x
=0; x
<avctx
->extradata_size
; x
++)
298 mp_msg(MSGT_DECVIDEO
, MSGL_INFO
, "[%x] ", p
[x
]);
299 mp_msg(MSGT_DECVIDEO
, MSGL_INFO
, "\n");
304 case mmioFOURCC('R', 'V', '1', '0'):
305 case mmioFOURCC('R', 'V', '1', '3'):
306 case mmioFOURCC('R', 'V', '2', '0'):
307 case mmioFOURCC('R', 'V', '3', '0'):
308 case mmioFOURCC('R', 'V', '4', '0'):
309 if(sh
->bih
->biSize
<sizeof(*sh
->bih
)+8){
310 /* only 1 packet per frame & sub_id from fourcc */
311 avctx
->extradata_size
= 8;
312 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+ FF_INPUT_BUFFER_PADDING_SIZE
);
313 ((uint32_t *)avctx
->extradata
)[0] = 0;
314 ((uint32_t *)avctx
->extradata
)[1] =
315 (sh
->format
== mmioFOURCC('R', 'V', '1', '3')) ? 0x10003001 : 0x10000000;
317 /* has extra slice header (demux_rm or rm->avi streamcopy) */
318 avctx
->extradata_size
= sh
->bih
->biSize
-sizeof(BITMAPINFOHEADER
);
319 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+ FF_INPUT_BUFFER_PADDING_SIZE
);
320 memcpy(avctx
->extradata
, sh
->bih
+1, avctx
->extradata_size
);
322 avctx
->sub_id
= AV_RB32(avctx
->extradata
+4);
324 // printf("%X %X %d %d\n", extrahdr[0], extrahdr[1]);
328 if (!sh
->bih
|| sh
->bih
->biSize
<= sizeof(BITMAPINFOHEADER
))
330 avctx
->extradata_size
= sh
->bih
->biSize
-sizeof(BITMAPINFOHEADER
);
331 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+ FF_INPUT_BUFFER_PADDING_SIZE
);
332 memcpy(avctx
->extradata
, sh
->bih
+1, avctx
->extradata_size
);
335 /* Pass palette to codec */
336 if (sh
->bih
&& (sh
->bih
->biBitCount
<= 8)) {
337 avctx
->palctrl
= calloc(1, sizeof(AVPaletteControl
));
338 avctx
->palctrl
->palette_changed
= 1;
339 if (sh
->bih
->biSize
-sizeof(BITMAPINFOHEADER
))
340 /* Palette size in biSize */
341 memcpy(avctx
->palctrl
->palette
, sh
->bih
+1,
342 FFMIN(sh
->bih
->biSize
-sizeof(BITMAPINFOHEADER
), AVPALETTE_SIZE
));
344 /* Palette size in biClrUsed */
345 memcpy(avctx
->palctrl
->palette
, sh
->bih
+1,
346 FFMIN(sh
->bih
->biClrUsed
* 4, AVPALETTE_SIZE
));
350 avctx
->bits_per_coded_sample
= sh
->bih
->biBitCount
;
352 if(lavc_param
->threads
> 1)
353 avcodec_thread_init(avctx
, lavc_param
->threads
);
355 if (avcodec_open(avctx
, lavc_codec
) < 0) {
356 mp_tmsg(MSGT_DECVIDEO
, MSGL_ERR
, "Could not open codec.\n");
360 // this is necessary in case get_format was never called and init_vo is
361 // too late e.g. for H.264 VDPAU
362 set_format_params(avctx
, avctx
->pix_fmt
);
363 mp_msg(MSGT_DECVIDEO
, MSGL_V
, "INFO: libavcodec init OK!\n");
364 return 1; //mpcodecs_config_vo(sh, sh->disp_w, sh->disp_h, IMGFMT_YV12);
368 static void uninit(sh_video_t
*sh
){
369 vd_ffmpeg_ctx
*ctx
= sh
->context
;
370 AVCodecContext
*avctx
= ctx
->avctx
;
372 if(sh
->opts
->lavc_param
.vstats
){
375 mp_msg(MSGT_DECVIDEO
, MSGL_INFO
, "QP: %d, count: %d\n", i
, ctx
->qp_stat
[i
]);
377 mp_tmsg(MSGT_DECVIDEO
, MSGL_INFO
, "[VD_FFMPEG] Arithmetic mean of QP: %2.4f, Harmonic mean of QP: %2.4f\n",
378 ctx
->qp_sum
/ avctx
->coded_frame
->coded_picture_number
,
379 1.0/(ctx
->inv_qp_sum
/ avctx
->coded_frame
->coded_picture_number
)
384 if (avctx
->codec
&& avcodec_close(avctx
) < 0)
385 mp_tmsg(MSGT_DECVIDEO
, MSGL_ERR
, "Could not close codec.\n");
387 av_freep(&avctx
->extradata
);
388 av_freep(&avctx
->palctrl
);
389 av_freep(&avctx
->slice_offset
);
398 static void draw_slice(struct AVCodecContext
*s
,
399 const AVFrame
*src
, int offset
[4],
400 int y
, int type
, int height
){
401 sh_video_t
*sh
= s
->opaque
;
402 uint8_t *source
[MP_MAX_PLANES
]= {src
->data
[0] + offset
[0], src
->data
[1] + offset
[1], src
->data
[2] + offset
[2]};
406 vd_ffmpeg_ctx
*ctx
= sh
->context
;
407 int skip_stride
= ((width
<< ctx
->lowres
)+15)>>4;
408 uint8_t *skip
= &s
->coded_frame
->mbskip_table
[(y
>>4)*skip_stride
];
409 int threshold
= s
->coded_frame
->age
;
410 if(s
->pict_type
!=B_TYPE
){
411 for(i
=0; i
*16<width
+16; i
++){
412 if(i
*16>=width
|| skip
[i
]>=threshold
){
413 if(start
==i
) start
++;
415 uint8_t *src2
[3]= {src
[0] + start
*16,
418 //printf("%2d-%2d x %d\n", start, i, y);
419 mpcodecs_draw_slice (sh
, src2
, stride
, (i
-start
)*16, height
, start
*16, y
);
426 if (y
< sh
->disp_h
) {
427 mpcodecs_draw_slice (sh
, source
, src
->linesize
, sh
->disp_w
, (y
+height
)<=sh
->disp_h
?height
:sh
->disp_h
-y
, 0, y
);
432 static int init_vo(sh_video_t
*sh
, enum PixelFormat pix_fmt
){
433 vd_ffmpeg_ctx
*ctx
= sh
->context
;
434 AVCodecContext
*avctx
= ctx
->avctx
;
435 float aspect
= av_q2d(avctx
->sample_aspect_ratio
) * avctx
->width
/ avctx
->height
;
438 width
= avctx
->width
;
439 height
= avctx
->height
;
442 // if sh->ImageDesc is non-NULL, it means we decode QuickTime(tm) video.
443 // use dimensions from BIH to avoid black borders at the right and bottom.
444 if (sh
->bih
&& sh
->ImageDesc
) {
445 width
= sh
->bih
->biWidth
>> ctx
->lowres
;
446 height
= sh
->bih
->biHeight
>> ctx
->lowres
;
449 // it is possible another vo buffers to be used after vo config()
450 // lavc reset its buffers on width/heigh change but not on aspect change!!!
451 if (av_cmp_q(avctx
->sample_aspect_ratio
, ctx
->last_sample_aspect_ratio
) ||
452 width
!= sh
->disp_w
||
453 height
!= sh
->disp_h
||
454 pix_fmt
!= ctx
->pix_fmt
||
455 !ctx
->vo_initialized
)
457 // this is a special-case HACK for MPEG-1/2 VDPAU that uses neither get_format nor
458 // sets the value correctly in avcodec_open.
459 set_format_params(avctx
, avctx
->pix_fmt
);
460 mp_msg(MSGT_DECVIDEO
, MSGL_V
, "[ffmpeg] aspect_ratio: %f\n", aspect
);
461 if (sh
->aspect
== 0 ||
462 av_cmp_q(avctx
->sample_aspect_ratio
,
463 ctx
->last_sample_aspect_ratio
))
465 ctx
->last_sample_aspect_ratio
= avctx
->sample_aspect_ratio
;
468 ctx
->pix_fmt
= pix_fmt
;
469 ctx
->best_csp
= pixfmt2imgfmt(pix_fmt
);
470 if (!mpcodecs_config_vo(sh
, sh
->disp_w
, sh
->disp_h
, ctx
->best_csp
))
472 ctx
->vo_initialized
= 1;
477 static int get_buffer(AVCodecContext
*avctx
, AVFrame
*pic
){
478 sh_video_t
*sh
= avctx
->opaque
;
479 vd_ffmpeg_ctx
*ctx
= sh
->context
;
480 mp_image_t
*mpi
=NULL
;
481 int flags
= MP_IMGFLAG_ACCEPT_STRIDE
| MP_IMGFLAG_PREFER_ALIGNED_STRIDE
;
482 int type
= MP_IMGTYPE_IPB
;
483 int width
= avctx
->width
;
484 int height
= avctx
->height
;
485 avcodec_align_dimensions(avctx
, &width
, &height
);
486 //printf("get_buffer %d %d %d\n", pic->reference, ctx->ip_count, ctx->b_count);
488 if (pic
->buffer_hints
) {
489 mp_msg(MSGT_DECVIDEO
, MSGL_DBG2
, "Buffer hints: %u\n", pic
->buffer_hints
);
490 type
= MP_IMGTYPE_TEMP
;
491 if (pic
->buffer_hints
& FF_BUFFER_HINTS_READABLE
)
492 flags
|= MP_IMGFLAG_READABLE
;
493 if (pic
->buffer_hints
& FF_BUFFER_HINTS_PRESERVE
) {
494 type
= MP_IMGTYPE_STATIC
;
495 flags
|= MP_IMGFLAG_PRESERVE
;
497 if (pic
->buffer_hints
& FF_BUFFER_HINTS_REUSABLE
) {
498 type
= MP_IMGTYPE_STATIC
;
499 flags
|= MP_IMGFLAG_PRESERVE
;
501 flags
|=(!avctx
->hurry_up
&& ctx
->do_slices
) ?
502 MP_IMGFLAG_DRAW_CALLBACK
:0;
503 mp_msg(MSGT_DECVIDEO
, MSGL_DBG2
, type
== MP_IMGTYPE_STATIC
? "using STATIC\n" : "using TEMP\n");
507 flags
|=(!avctx
->hurry_up
&& ctx
->do_slices
) ?
508 MP_IMGFLAG_DRAW_CALLBACK
:0;
511 flags
|= MP_IMGFLAG_PRESERVE
|MP_IMGFLAG_READABLE
512 | (ctx
->do_slices
? MP_IMGFLAG_DRAW_CALLBACK
: 0);
516 if(init_vo(sh
, avctx
->pix_fmt
) < 0){
517 avctx
->release_buffer
= avcodec_default_release_buffer
;
518 avctx
->get_buffer
= avcodec_default_get_buffer
;
519 return avctx
->get_buffer(avctx
, pic
);
522 if (IMGFMT_IS_XVMC(ctx
->best_csp
) || IMGFMT_IS_VDPAU(ctx
->best_csp
)) {
523 type
= MP_IMGTYPE_NUMBERED
| (0xffff << 16);
525 if (!pic
->buffer_hints
) {
526 if(ctx
->b_count
>1 || ctx
->ip_count
>2){
527 mp_tmsg(MSGT_DECVIDEO
, MSGL_WARN
, "[VD_FFMPEG] DRI failure.\n");
529 ctx
->do_dr1
=0; //FIXME
530 avctx
->get_buffer
= avcodec_default_get_buffer
;
531 return avctx
->get_buffer(avctx
, pic
);
534 if(avctx
->has_b_frames
){
535 type
= MP_IMGTYPE_IPB
;
539 mp_msg(MSGT_DECVIDEO
, MSGL_DBG2
, type
== MP_IMGTYPE_IPB
? "using IPB\n" : "using IP\n");
542 if (ctx
->best_csp
== IMGFMT_RGB8
|| ctx
->best_csp
== IMGFMT_BGR8
)
543 flags
|= MP_IMGFLAG_RGB_PALETTE
;
544 mpi
= mpcodecs_get_image(sh
, type
, flags
, width
, height
);
547 // ok, let's see what did we get:
548 if(mpi
->flags
&MP_IMGFLAG_DRAW_CALLBACK
&&
549 !(mpi
->flags
&MP_IMGFLAG_DIRECT
)){
550 // nice, filter/vo likes draw_callback :)
551 avctx
->draw_horiz_band
= draw_slice
;
553 avctx
->draw_horiz_band
= NULL
;
554 if(IMGFMT_IS_VDPAU(mpi
->imgfmt
)) {
555 avctx
->draw_horiz_band
= draw_slice
;
558 if(IMGFMT_IS_XVMC(mpi
->imgfmt
)) {
559 struct xvmc_pix_fmt
*render
= mpi
->priv
; //same as data[2]
560 avctx
->draw_horiz_band
= draw_slice
;
561 if(!avctx
->xvmc_acceleration
) {
562 mp_tmsg(MSGT_DECVIDEO
, MSGL_INFO
, "[VD_FFMPEG] The mc_get_buffer should work only with XVMC acceleration!!");
565 // return -1;//!!fixme check error conditions in ffmpeg
567 if(!(mpi
->flags
& MP_IMGFLAG_DIRECT
)) {
568 mp_tmsg(MSGT_DECVIDEO
, MSGL_ERR
, "[VD_FFMPEG] Only buffers allocated by vo_xvmc allowed.\n");
571 // return -1;//!!fixme check error conditions in ffmpeg
573 if(mp_msg_test(MSGT_DECVIDEO
, MSGL_DBG5
))
574 mp_msg(MSGT_DECVIDEO
, MSGL_DBG5
, "vd_ffmpeg::get_buffer (xvmc render=%p)\n", render
);
576 assert(render
->xvmc_id
== AV_XVMC_ID
);
577 render
->state
|= AV_XVMC_STATE_PREDICTION
;
581 pic
->data
[0]= mpi
->planes
[0];
582 pic
->data
[1]= mpi
->planes
[1];
583 pic
->data
[2]= mpi
->planes
[2];
584 pic
->data
[3]= mpi
->planes
[3];
587 assert(mpi
->width
>= ((width
+align
)&(~align
)));
588 assert(mpi
->height
>= ((height
+align
)&(~align
)));
589 assert(mpi
->stride
[0] >= mpi
->width
);
590 if(mpi
->imgfmt
==IMGFMT_I420
|| mpi
->imgfmt
==IMGFMT_YV12
|| mpi
->imgfmt
==IMGFMT_IYUV
){
591 const int y_size
= mpi
->stride
[0] * (mpi
->h
-1) + mpi
->w
;
592 const int c_size
= mpi
->stride
[1] * ((mpi
->h
>>1)-1) + (mpi
->w
>>1);
594 assert(mpi
->planes
[0] > mpi
->planes
[1] || mpi
->planes
[0] + y_size
<= mpi
->planes
[1]);
595 assert(mpi
->planes
[0] > mpi
->planes
[2] || mpi
->planes
[0] + y_size
<= mpi
->planes
[2]);
596 assert(mpi
->planes
[1] > mpi
->planes
[0] || mpi
->planes
[1] + c_size
<= mpi
->planes
[0]);
597 assert(mpi
->planes
[1] > mpi
->planes
[2] || mpi
->planes
[1] + c_size
<= mpi
->planes
[2]);
598 assert(mpi
->planes
[2] > mpi
->planes
[0] || mpi
->planes
[2] + c_size
<= mpi
->planes
[0]);
599 assert(mpi
->planes
[2] > mpi
->planes
[1] || mpi
->planes
[2] + c_size
<= mpi
->planes
[1]);
603 /* Note, some (many) codecs in libavcodec must have stride1==stride2 && no changes between frames
604 * lavc will check that and die with an error message, if its not true
606 pic
->linesize
[0]= mpi
->stride
[0];
607 pic
->linesize
[1]= mpi
->stride
[1];
608 pic
->linesize
[2]= mpi
->stride
[2];
609 pic
->linesize
[3]= mpi
->stride
[3];
612 //printf("%X\n", (int)mpi->planes[0]);
614 if(mpi
->flags
&MP_IMGFLAG_DIRECT
)
616 else if(mpi
->flags
&MP_IMGFLAG_DRAW_CALLBACK
)
622 pic
->age
= ctx
->ip_age
[0];
624 ctx
->ip_age
[0]= ctx
->ip_age
[1]+1;
628 pic
->age
= ctx
->b_age
;
634 pic
->type
= FF_BUFFER_TYPE_USER
;
636 /* The libavcodec reordered_opaque functionality is implemented by
637 * a similar copy in avcodec_default_get_buffer() and without a
638 * workaround like this it'd stop working when a custom buffer
641 pic
->reordered_opaque
= avctx
->reordered_opaque
;
645 static void release_buffer(struct AVCodecContext
*avctx
, AVFrame
*pic
){
646 mp_image_t
*mpi
= pic
->opaque
;
647 sh_video_t
*sh
= avctx
->opaque
;
648 vd_ffmpeg_ctx
*ctx
= sh
->context
;
651 //printf("release buffer %d %d %d\n", mpi ? mpi->flags&MP_IMGFLAG_PRESERVE : -99, ctx->ip_count, ctx->b_count);
653 if(ctx
->ip_count
<= 2 && ctx
->b_count
<=1){
654 if(mpi
->flags
&MP_IMGFLAG_PRESERVE
)
661 // Palette support: free palette buffer allocated in get_buffer
663 av_freep(&mpi
->planes
[1]);
665 if (IMGFMT_IS_XVMC(mpi
->imgfmt
)) {
666 struct xvmc_pix_fmt
*render
= (struct xvmc_pix_fmt
*)pic
->data
[2]; //same as mpi->priv
667 if(mp_msg_test(MSGT_DECVIDEO
, MSGL_DBG5
))
668 mp_msg(MSGT_DECVIDEO
, MSGL_DBG5
, "vd_ffmpeg::release_buffer (xvmc render=%p)\n", render
);
669 assert(render
!=NULL
);
670 assert(render
->xvmc_id
== AV_XVMC_ID
);
671 render
->state
&=~AV_XVMC_STATE_PREDICTION
;
674 // release mpi (in case MPI_IMGTYPE_NUMBERED is used, e.g. for VDPAU)
678 if(pic
->type
!=FF_BUFFER_TYPE_USER
){
679 avcodec_default_release_buffer(avctx
, pic
);
686 //printf("R%X %X\n", pic->linesize[0], pic->data[0]);
689 // copypaste from demux_real.c - it should match to get it working!
690 //FIXME put into some header
691 typedef struct dp_hdr_s
{
692 uint32_t chunks
; // number of chunks
693 uint32_t timestamp
; // timestamp from packet header
694 uint32_t len
; // length of actual data
695 uint32_t chunktab
; // offset to chunk offset array
698 static void swap_palette(void *pal
) {
701 for (i
= 0; i
< AVPALETTE_COUNT
; i
++)
702 p
[i
] = le2me_32(p
[i
]);
706 static struct mp_image
*decode(struct sh_video
*sh
, void *data
, int len
,
707 int flags
, double *reordered_pts
)
711 vd_ffmpeg_ctx
*ctx
= sh
->context
;
712 AVFrame
*pic
= ctx
->pic
;
713 AVCodecContext
*avctx
= ctx
->avctx
;
714 struct lavc_param
*lavc_param
= &sh
->opts
->lavc_param
;
715 mp_image_t
*mpi
=NULL
;
716 int dr1
= ctx
->do_dr1
;
719 if(len
<=0) return NULL
; // skipped frame
721 //ffmpeg interlace (mpeg2) bug have been fixed. no need of -noslices
723 avctx
->draw_horiz_band
=NULL
;
724 if(ctx
->vo_initialized
&& !(flags
&3) && !dr1
){
725 mpi
=mpcodecs_get_image(sh
, MP_IMGTYPE_EXPORT
, MP_IMGFLAG_PRESERVE
|
726 (ctx
->do_slices
?MP_IMGFLAG_DRAW_CALLBACK
:0),
727 sh
->disp_w
, sh
->disp_h
);
728 if(mpi
&& mpi
->flags
&MP_IMGFLAG_DRAW_CALLBACK
){
729 // vd core likes slices!
730 avctx
->draw_horiz_band
=draw_slice
;
734 avctx
->hurry_up
=(flags
&3)?((flags
&2)?2:1):0;
736 mp_msg(MSGT_DECVIDEO
, MSGL_DBG2
, "vd_ffmpeg data: %04x, %04x, %04x, %04x\n",
737 ((int *)data
)[0], ((int *)data
)[1], ((int *)data
)[2], ((int *)data
)[3]);
738 av_init_packet(&pkt
);
741 // HACK: make PNGs decode normally instead of as CorePNG delta frames
742 pkt
.flags
= PKT_FLAG_KEY
;
743 // The avcodec opaque field stupidly supports only int64_t type
744 *(double *)&avctx
->reordered_opaque
= *reordered_pts
;
745 ret
= avcodec_decode_video2(avctx
, pic
, &got_picture
, &pkt
);
746 *reordered_pts
= *(double *)&pic
->reordered_opaque
;
749 if(ret
<0) mp_msg(MSGT_DECVIDEO
, MSGL_WARN
, "Error while decoding frame!\n");
750 //printf("repeat: %d\n", pic->repeat_pict);
751 //-- vstats generation
752 while(lavc_param
->vstats
){ // always one time loop
753 static FILE *fvstats
=NULL
;
755 static long long int all_len
=0;
756 static int frame_number
=0;
757 static double all_frametime
=0.0;
758 AVFrame
*pic
= avctx
->coded_frame
;
765 today
= localtime(&today2
);
766 sprintf(filename
, "vstats_%02d%02d%02d.log", today
->tm_hour
,
767 today
->tm_min
, today
->tm_sec
);
768 fvstats
= fopen(filename
, "w");
771 lavc_param
->vstats
=0; // disable block
777 // average MB quantizer
780 int w
= ((avctx
->width
<< ctx
->lowres
)+15) >> 4;
781 int h
= ((avctx
->height
<< ctx
->lowres
)+15) >> 4;
782 int8_t *q
= pic
->qscale_table
;
783 for(y
= 0; y
< h
; y
++) {
784 for(x
= 0; x
< w
; x
++)
785 quality
+= (double)*(q
+x
);
792 all_frametime
+=sh
->frametime
;
793 fprintf(fvstats
, "frame= %5d q= %2.2f f_size= %6d s_size= %8.0fkB ",
794 ++frame_number
, quality
, len
, (double)all_len
/1024);
795 fprintf(fvstats
, "time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
796 all_frametime
, (double)(len
*8)/sh
->frametime
/1000.0,
797 (double)(all_len
*8)/all_frametime
/1000.0);
798 switch(pic
->pict_type
){
800 fprintf(fvstats
, "type= I\n");
803 fprintf(fvstats
, "type= P\n");
806 fprintf(fvstats
, "type= S\n");
809 fprintf(fvstats
, "type= B\n");
812 fprintf(fvstats
, "type= ? (%d)\n", pic
->pict_type
);
816 ctx
->qp_stat
[(int)(quality
+0.5)]++;
817 ctx
->qp_sum
+= quality
;
818 ctx
->inv_qp_sum
+= 1.0/(double)quality
;
824 if(!got_picture
) return NULL
; // skipped image
826 if(init_vo(sh
, avctx
->pix_fmt
) < 0) return NULL
;
828 if(dr1
&& pic
->opaque
){
829 mpi
= (mp_image_t
*)pic
->opaque
;
833 mpi
=mpcodecs_get_image(sh
, MP_IMGTYPE_EXPORT
, MP_IMGFLAG_PRESERVE
,
834 avctx
->width
, avctx
->height
);
835 if(!mpi
){ // temporary!
836 mp_tmsg(MSGT_DECVIDEO
, MSGL_WARN
, "[VD_FFMPEG] Couldn't allocate image for codec.\n");
841 mpi
->planes
[0]=pic
->data
[0];
842 mpi
->planes
[1]=pic
->data
[1];
843 mpi
->planes
[2]=pic
->data
[2];
844 mpi
->planes
[3]=pic
->data
[3];
845 mpi
->stride
[0]=pic
->linesize
[0];
846 mpi
->stride
[1]=pic
->linesize
[1];
847 mpi
->stride
[2]=pic
->linesize
[2];
848 mpi
->stride
[3]=pic
->linesize
[3];
854 if(avctx
->pix_fmt
==PIX_FMT_YUV422P
&& mpi
->chroma_y_shift
==1){
855 // we have 422p but user wants 420p
861 // FIXME: this might cause problems for buffers with FF_BUFFER_HINTS_PRESERVE
863 swap_palette(mpi
->planes
[1]);
865 /* to comfirm with newer lavc style */
866 mpi
->qscale
=pic
->qscale_table
;
867 mpi
->qstride
=pic
->qstride
;
868 mpi
->pict_type
=pic
->pict_type
;
869 mpi
->qscale_type
= pic
->qscale_type
;
870 mpi
->fields
= MP_IMGFIELD_ORDERED
;
871 if(pic
->interlaced_frame
) mpi
->fields
|= MP_IMGFIELD_INTERLACED
;
872 if(pic
->top_field_first
) mpi
->fields
|= MP_IMGFIELD_TOP_FIRST
;
873 if(pic
->repeat_pict
== 1) mpi
->fields
|= MP_IMGFIELD_REPEAT_FIRST
;
878 #if CONFIG_XVMC || CONFIG_VDPAU
879 static enum PixelFormat
get_format(struct AVCodecContext
*avctx
,
880 const enum PixelFormat
*fmt
){
881 enum PixelFormat selected_format
;
883 sh_video_t
*sh
= avctx
->opaque
;
886 for(i
=0;fmt
[i
]!=PIX_FMT_NONE
;i
++){
887 imgfmt
= pixfmt2imgfmt(fmt
[i
]);
888 if(!IMGFMT_IS_XVMC(imgfmt
) && !IMGFMT_IS_VDPAU(imgfmt
)) continue;
889 mp_tmsg(MSGT_DECVIDEO
, MSGL_INFO
, "[VD_FFMPEG] Trying pixfmt=%d.\n", i
);
890 if(init_vo(sh
, fmt
[i
]) >= 0) {
894 selected_format
= fmt
[i
];
895 set_format_params(avctx
, selected_format
);
896 return selected_format
;
898 #endif /* CONFIG_XVMC || CONFIG_VDPAU */
900 const struct vd_functions mpcodecs_vd_ffmpeg
= {