2 * This file is part of MPlayer.
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 #include <libavutil/common.h>
26 #include <libavutil/opt.h>
27 #include <libavutil/intreadwrite.h>
36 #include "fmt-conversion.h"
39 #include "img_format.h"
40 #include "libmpdemux/stheader.h"
41 #include "libmpdemux/demux_packet.h"
42 #include "codec-cfg.h"
43 #include "osdep/numcores.h"
45 static const vd_info_t info
= {
46 "FFmpeg's libavcodec codec family",
49 "A'rpi, Michael, Alex",
53 #include "libavcodec/avcodec.h"
55 #if AVPALETTE_SIZE > 1024
56 #error palette too large, adapt libmpcodecs/vf.c:vf_get_image
60 AVCodecContext
*avctx
;
62 enum PixelFormat pix_fmt
;
72 AVRational last_sample_aspect_ratio
;
73 enum AVDiscard skip_frame
;
78 static int get_buffer(AVCodecContext
*avctx
, AVFrame
*pic
);
79 static void release_buffer(AVCodecContext
*avctx
, AVFrame
*pic
);
80 static void draw_slice(struct AVCodecContext
*s
, const AVFrame
*src
,
81 int offset
[4], int y
, int type
, int height
);
83 static enum PixelFormat
get_format(struct AVCodecContext
*avctx
,
84 const enum PixelFormat
*pix_fmt
);
85 static void uninit(struct sh_video
*sh
);
87 const m_option_t lavc_decode_opts_conf
[] = {
88 OPT_INTRANGE("bug", lavc_param
.workaround_bugs
, 0, -1, 999999),
89 OPT_FLAG_ON("gray", lavc_param
.gray
, 0),
90 OPT_INTRANGE("idct", lavc_param
.idct_algo
, 0, 0, 99),
91 OPT_INTRANGE("ec", lavc_param
.error_concealment
, 0, 0, 99),
92 OPT_FLAG_ON("vstats", lavc_param
.vstats
, 0),
93 OPT_INTRANGE("debug", lavc_param
.debug
, 0, 0, 9999999),
94 OPT_INTRANGE("vismv", lavc_param
.vismv
, 0, 0, 9999999),
95 OPT_INTRANGE("st", lavc_param
.skip_top
, 0, 0, 999),
96 OPT_INTRANGE("sb", lavc_param
.skip_bottom
, 0, 0, 999),
97 OPT_FLAG_CONSTANTS("fast", lavc_param
.fast
, 0, 0, CODEC_FLAG2_FAST
),
98 OPT_STRING("lowres", lavc_param
.lowres_str
, 0),
99 OPT_STRING("skiploopfilter", lavc_param
.skip_loop_filter_str
, 0),
100 OPT_STRING("skipidct", lavc_param
.skip_idct_str
, 0),
101 OPT_STRING("skipframe", lavc_param
.skip_frame_str
, 0),
102 OPT_INTRANGE("threads", lavc_param
.threads
, 0, 0, 16),
103 OPT_FLAG_CONSTANTS("bitexact", lavc_param
.bitexact
, 0, 0, CODEC_FLAG_BITEXACT
),
104 OPT_STRING("o", lavc_param
.avopt
, 0),
105 {NULL
, NULL
, 0, 0, 0, 0, NULL
}
108 static enum AVDiscard
str2AVDiscard(char *str
)
110 if (!str
) return AVDISCARD_DEFAULT
;
111 if (strcasecmp(str
, "none" ) == 0) return AVDISCARD_NONE
;
112 if (strcasecmp(str
, "default") == 0) return AVDISCARD_DEFAULT
;
113 if (strcasecmp(str
, "nonref" ) == 0) return AVDISCARD_NONREF
;
114 if (strcasecmp(str
, "bidir" ) == 0) return AVDISCARD_BIDIR
;
115 if (strcasecmp(str
, "nonkey" ) == 0) return AVDISCARD_NONKEY
;
116 if (strcasecmp(str
, "all" ) == 0) return AVDISCARD_ALL
;
117 mp_msg(MSGT_DECVIDEO
, MSGL_ERR
, "Unknown discard value %s\n", str
);
118 return AVDISCARD_DEFAULT
;
121 static int init(sh_video_t
*sh
)
123 struct lavc_param
*lavc_param
= &sh
->opts
->lavc_param
;
124 AVCodecContext
*avctx
;
127 int do_vis_debug
= lavc_param
->vismv
||
128 (lavc_param
->debug
& (FF_DEBUG_VIS_MB_TYPE
| FF_DEBUG_VIS_QP
));
130 ctx
= sh
->context
= talloc_zero(NULL
, vd_ffmpeg_ctx
);
132 lavc_codec
= avcodec_find_decoder_by_name(sh
->codec
->dll
);
134 mp_tmsg(MSGT_DECVIDEO
, MSGL_ERR
,
135 "Cannot find codec '%s' in libavcodec...\n", sh
->codec
->dll
);
140 if (sh
->opts
->vd_use_slices
141 && (lavc_codec
->capabilities
& CODEC_CAP_DRAW_HORIZ_BAND
)
145 if (lavc_codec
->capabilities
& CODEC_CAP_DR1
&& !do_vis_debug
146 && lavc_codec
->id
!= CODEC_ID_H264
147 && lavc_codec
->id
!= CODEC_ID_INTERPLAY_VIDEO
148 && lavc_codec
->id
!= CODEC_ID_ROQ
&& lavc_codec
->id
!= CODEC_ID_VP8
149 && lavc_codec
->id
!= CODEC_ID_LAGARITH
)
151 ctx
->ip_count
= ctx
->b_count
= 0;
153 ctx
->pic
= avcodec_alloc_frame();
154 ctx
->avctx
= avcodec_alloc_context3(lavc_codec
);
157 avctx
->codec_type
= AVMEDIA_TYPE_VIDEO
;
158 avctx
->codec_id
= lavc_codec
->id
;
160 if (lavc_codec
->capabilities
& CODEC_CAP_HWACCEL
// XvMC
161 || lavc_codec
->capabilities
& CODEC_CAP_HWACCEL_VDPAU
) {
163 ctx
->do_slices
= true;
164 lavc_param
->threads
= 1;
165 avctx
->get_format
= get_format
;
166 avctx
->get_buffer
= get_buffer
;
167 avctx
->release_buffer
= release_buffer
;
168 avctx
->reget_buffer
= get_buffer
;
169 avctx
->draw_horiz_band
= draw_slice
;
170 if (lavc_codec
->capabilities
& CODEC_CAP_HWACCEL
)
171 mp_msg(MSGT_DECVIDEO
, MSGL_V
, "[VD_FFMPEG] XVMC-accelerated "
173 if (lavc_codec
->capabilities
& CODEC_CAP_HWACCEL_VDPAU
)
174 mp_msg(MSGT_DECVIDEO
, MSGL_V
, "[VD_FFMPEG] VDPAU hardware "
176 avctx
->slice_flags
= SLICE_FLAG_CODED_ORDER
| SLICE_FLAG_ALLOW_FIELD
;
179 if (lavc_param
->threads
== 0) {
180 int threads
= default_thread_count();
182 mp_msg(MSGT_DECVIDEO
, MSGL_WARN
, "[VD_FFMPEG] Could not determine "
183 "thread count to use, defaulting to 1.\n");
186 threads
= FFMIN(threads
, 16);
187 lavc_param
->threads
= threads
;
189 /* Our get_buffer and draw_horiz_band callbacks are not safe to call
190 * from other threads. */
191 if (lavc_param
->threads
> 1) {
193 ctx
->do_slices
= false;
194 mp_tmsg(MSGT_DECVIDEO
, MSGL_INFO
, "Asking decoder to use "
195 "%d threads if supported.\n", lavc_param
->threads
);
199 avctx
->flags
|= CODEC_FLAG_EMU_EDGE
;
200 avctx
->get_buffer
= get_buffer
;
201 avctx
->release_buffer
= release_buffer
;
202 avctx
->reget_buffer
= get_buffer
;
205 avctx
->flags
|= lavc_param
->bitexact
;
207 avctx
->coded_width
= sh
->disp_w
;
208 avctx
->coded_height
= sh
->disp_h
;
209 avctx
->workaround_bugs
= lavc_param
->workaround_bugs
;
210 if (lavc_param
->gray
)
211 avctx
->flags
|= CODEC_FLAG_GRAY
;
212 avctx
->flags2
|= lavc_param
->fast
;
213 avctx
->codec_tag
= sh
->format
;
214 avctx
->stream_codec_tag
= sh
->video
.fccHandler
;
215 avctx
->idct_algo
= lavc_param
->idct_algo
;
216 avctx
->error_concealment
= lavc_param
->error_concealment
;
217 avctx
->debug
= lavc_param
->debug
;
218 if (lavc_param
->debug
)
219 av_log_set_level(AV_LOG_DEBUG
);
220 avctx
->debug_mv
= lavc_param
->vismv
;
221 avctx
->skip_top
= lavc_param
->skip_top
;
222 avctx
->skip_bottom
= lavc_param
->skip_bottom
;
223 if (lavc_param
->lowres_str
!= NULL
) {
224 int lowres
, lowres_w
;
225 sscanf(lavc_param
->lowres_str
, "%d,%d", &lowres
, &lowres_w
);
226 if (lowres
< 1 || lowres
> 16 ||
227 lowres_w
> 0 && avctx
->width
< lowres_w
)
229 avctx
->lowres
= lowres
;
231 avctx
->skip_loop_filter
= str2AVDiscard(lavc_param
->skip_loop_filter_str
);
232 avctx
->skip_idct
= str2AVDiscard(lavc_param
->skip_idct_str
);
233 avctx
->skip_frame
= str2AVDiscard(lavc_param
->skip_frame_str
);
235 if (lavc_param
->avopt
) {
236 if (parse_avopts(avctx
, lavc_param
->avopt
) < 0) {
237 mp_msg(MSGT_DECVIDEO
, MSGL_ERR
,
238 "Your options /%s/ look like gibberish to me pal\n",
245 // Do this after the above avopt handling in case it changes values
246 ctx
->skip_frame
= avctx
->skip_frame
;
248 mp_dbg(MSGT_DECVIDEO
, MSGL_DBG2
,
249 "libavcodec.size: %d x %d\n", avctx
->width
, avctx
->height
);
250 switch (sh
->format
) {
251 case mmioFOURCC('S','V','Q','3'):
252 /* SVQ3 extradata can show up as sh->ImageDesc if demux_mov is used, or
253 * in the phony AVI header if demux_lavf is used. The first case is
254 * handled here; the second case falls through to the next section. */
256 avctx
->extradata_size
= (*(int *)sh
->ImageDesc
) - sizeof(int);
257 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+
258 FF_INPUT_BUFFER_PADDING_SIZE
);
259 memcpy(avctx
->extradata
, ((int *)sh
->ImageDesc
) + 1,
260 avctx
->extradata_size
);
265 case mmioFOURCC('A','V','R','n'):
266 case mmioFOURCC('M','J','P','G'):
267 /* AVRn stores huffman table in AVI header */
268 /* Pegasus MJPEG stores it also in AVI header, but it uses the common
270 if (!sh
->bih
|| sh
->bih
->biSize
<= sizeof(*sh
->bih
))
272 av_opt_set_int(avctx
, "extern_huff", 1, AV_OPT_SEARCH_CHILDREN
);
273 avctx
->extradata_size
= sh
->bih
->biSize
- sizeof(*sh
->bih
);
274 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+
275 FF_INPUT_BUFFER_PADDING_SIZE
);
276 memcpy(avctx
->extradata
, sh
->bih
+ 1, avctx
->extradata_size
);
279 case mmioFOURCC('R','V','1','0'):
280 case mmioFOURCC('R','V','1','3'):
281 case mmioFOURCC('R','V','2','0'):
282 case mmioFOURCC('R','V','3','0'):
283 case mmioFOURCC('R','V','4','0'):
284 if (sh
->bih
->biSize
< sizeof(*sh
->bih
) + 8) {
285 // only 1 packet per frame & sub_id from fourcc
286 avctx
->extradata_size
= 8;
287 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+
288 FF_INPUT_BUFFER_PADDING_SIZE
);
289 ((uint32_t *)avctx
->extradata
)[0] = 0;
290 ((uint32_t *)avctx
->extradata
)[1] =
291 sh
->format
== mmioFOURCC('R','V','1','3') ?
292 0x10003001 : 0x10000000;
294 // has extra slice header (demux_rm or rm->avi streamcopy)
295 avctx
->extradata_size
= sh
->bih
->biSize
- sizeof(*sh
->bih
);
296 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+
297 FF_INPUT_BUFFER_PADDING_SIZE
);
298 memcpy(avctx
->extradata
, sh
->bih
+ 1, avctx
->extradata_size
);
303 if (!sh
->bih
|| sh
->bih
->biSize
<= sizeof(*sh
->bih
))
305 avctx
->extradata_size
= sh
->bih
->biSize
- sizeof(*sh
->bih
);
306 avctx
->extradata
= av_mallocz(avctx
->extradata_size
+
307 FF_INPUT_BUFFER_PADDING_SIZE
);
308 memcpy(avctx
->extradata
, sh
->bih
+ 1, avctx
->extradata_size
);
313 avctx
->bits_per_coded_sample
= sh
->bih
->biBitCount
;
315 avctx
->thread_count
= lavc_param
->threads
;
318 if (avcodec_open2(avctx
, lavc_codec
, NULL
) < 0) {
319 mp_tmsg(MSGT_DECVIDEO
, MSGL_ERR
, "Could not open codec.\n");
323 mp_msg(MSGT_DECVIDEO
, MSGL_V
, "INFO: libavcodec init OK!\n");
324 return 1; //mpcodecs_config_vo(sh, sh->disp_w, sh->disp_h, IMGFMT_YV12);
327 static void uninit(sh_video_t
*sh
)
329 vd_ffmpeg_ctx
*ctx
= sh
->context
;
330 AVCodecContext
*avctx
= ctx
->avctx
;
332 if (sh
->opts
->lavc_param
.vstats
&& avctx
->coded_frame
) {
333 for (int i
= 1; i
< 32; i
++)
334 mp_msg(MSGT_DECVIDEO
, MSGL_INFO
,
335 "QP: %d, count: %d\n", i
, ctx
->qp_stat
[i
]);
336 mp_tmsg(MSGT_DECVIDEO
, MSGL_INFO
, "[VD_FFMPEG] Arithmetic mean of QP: "
337 "%2.4f, Harmonic mean of QP: %2.4f\n",
338 ctx
->qp_sum
/ avctx
->coded_frame
->coded_picture_number
,
339 1.0 / (ctx
->inv_qp_sum
/ avctx
->coded_frame
->coded_picture_number
));
343 if (avctx
->codec
&& avcodec_close(avctx
) < 0)
344 mp_tmsg(MSGT_DECVIDEO
, MSGL_ERR
, "Could not close codec.\n");
346 av_freep(&avctx
->extradata
);
347 av_freep(&avctx
->slice_offset
);
355 static void draw_slice(struct AVCodecContext
*s
,
356 const AVFrame
*src
, int offset
[4],
357 int y
, int type
, int height
)
359 sh_video_t
*sh
= s
->opaque
;
360 uint8_t *source
[MP_MAX_PLANES
] = {
361 src
->data
[0] + offset
[0], src
->data
[1] + offset
[1],
362 src
->data
[2] + offset
[2]
364 int strides
[MP_MAX_PLANES
] = {
365 src
->linesize
[0], src
->linesize
[1], src
->linesize
[2]
371 for (i
= 0; i
< MP_MAX_PLANES
; i
++) {
372 strides
[i
] = -strides
[i
];
373 source
[i
] -= strides
[i
];
376 if (y
< sh
->disp_h
) {
377 height
= FFMIN(height
, sh
->disp_h
- y
);
378 mpcodecs_draw_slice(sh
, source
, strides
, sh
->disp_w
, height
, 0, y
);
383 static int init_vo(sh_video_t
*sh
, enum PixelFormat pix_fmt
)
385 vd_ffmpeg_ctx
*ctx
= sh
->context
;
386 AVCodecContext
*avctx
= ctx
->avctx
;
387 float aspect
= av_q2d(avctx
->sample_aspect_ratio
) *
388 avctx
->width
/ avctx
->height
;
391 width
= avctx
->width
;
392 height
= avctx
->height
;
395 // if sh->ImageDesc is non-NULL, it means we decode QuickTime(tm) video.
396 // use dimensions from BIH to avoid black borders at the right and bottom.
397 if (sh
->bih
&& sh
->ImageDesc
) {
398 width
= sh
->bih
->biWidth
>> avctx
->lowres
;
399 height
= sh
->bih
->biHeight
>> avctx
->lowres
;
402 /* Reconfiguring filter/VO chain may invalidate direct rendering buffers
403 * we have allocated for libavcodec (including the VDPAU HW decoding
404 * case). Is it guaranteed that the code below only triggers in a situation
405 * with no busy direct rendering buffers for reference frames?
407 if (av_cmp_q(avctx
->sample_aspect_ratio
, ctx
->last_sample_aspect_ratio
) ||
408 width
!= sh
->disp_w
|| height
!= sh
->disp_h
||
409 pix_fmt
!= ctx
->pix_fmt
|| !ctx
->vo_initialized
) {
410 ctx
->vo_initialized
= 0;
411 mp_msg(MSGT_DECVIDEO
, MSGL_V
, "[ffmpeg] aspect_ratio: %f\n", aspect
);
413 // Do not overwrite s->aspect on the first call, so that a container
414 // aspect if available is preferred.
415 // But set it even if the sample aspect did not change, since a
416 // resolution change can cause an aspect change even if the
417 // _sample_ aspect is unchanged.
418 if (sh
->aspect
== 0 || ctx
->last_sample_aspect_ratio
.den
)
420 ctx
->last_sample_aspect_ratio
= avctx
->sample_aspect_ratio
;
423 ctx
->pix_fmt
= pix_fmt
;
424 ctx
->best_csp
= pixfmt2imgfmt(pix_fmt
);
425 const unsigned int *supported_fmts
;
426 if (ctx
->best_csp
== IMGFMT_YV12
)
427 supported_fmts
= (const unsigned int[]){
428 IMGFMT_YV12
, IMGFMT_I420
, IMGFMT_IYUV
, 0xffffffff
430 else if (ctx
->best_csp
== IMGFMT_422P
)
431 supported_fmts
= (const unsigned int[]){
432 IMGFMT_422P
, IMGFMT_YV12
, IMGFMT_I420
, IMGFMT_IYUV
, 0xffffffff
435 supported_fmts
= (const unsigned int[]){ctx
->best_csp
, 0xffffffff};
436 if (!mpcodecs_config_vo2(sh
, sh
->disp_w
, sh
->disp_h
, supported_fmts
,
439 ctx
->vo_initialized
= 1;
444 static int get_buffer(AVCodecContext
*avctx
, AVFrame
*pic
)
446 sh_video_t
*sh
= avctx
->opaque
;
447 vd_ffmpeg_ctx
*ctx
= sh
->context
;
448 mp_image_t
*mpi
= NULL
;
449 int flags
= MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE
|
450 MP_IMGFLAG_PREFER_ALIGNED_STRIDE
;
451 int type
= MP_IMGTYPE_IPB
;
452 int width
= avctx
->width
;
453 int height
= avctx
->height
;
454 // special case to handle reget_buffer without buffer hints
455 if (pic
->opaque
&& pic
->data
[0] && !pic
->buffer_hints
)
457 avcodec_align_dimensions(avctx
, &width
, &height
);
459 if (pic
->buffer_hints
) {
460 mp_msg(MSGT_DECVIDEO
, MSGL_DBG2
, "Buffer hints: %u\n",
462 type
= MP_IMGTYPE_TEMP
;
463 if (pic
->buffer_hints
& FF_BUFFER_HINTS_READABLE
)
464 flags
|= MP_IMGFLAG_READABLE
;
465 if (pic
->buffer_hints
& FF_BUFFER_HINTS_PRESERVE
) {
466 type
= MP_IMGTYPE_STATIC
;
467 flags
|= MP_IMGFLAG_PRESERVE
;
469 if (pic
->buffer_hints
& FF_BUFFER_HINTS_REUSABLE
) {
470 type
= MP_IMGTYPE_STATIC
;
471 flags
|= MP_IMGFLAG_PRESERVE
;
473 flags
|= ctx
->do_slices
? MP_IMGFLAG_DRAW_CALLBACK
: 0;
474 mp_msg(MSGT_DECVIDEO
, MSGL_DBG2
,
475 type
== MP_IMGTYPE_STATIC
? "using STATIC\n" : "using TEMP\n");
477 if (!pic
->reference
) {
479 flags
|= ctx
->do_slices
? MP_IMGFLAG_DRAW_CALLBACK
: 0;
482 flags
|= MP_IMGFLAG_PRESERVE
| MP_IMGFLAG_READABLE
483 | (ctx
->do_slices
? MP_IMGFLAG_DRAW_CALLBACK
: 0);
487 if (init_vo(sh
, avctx
->pix_fmt
) < 0) {
488 avctx
->release_buffer
= avcodec_default_release_buffer
;
489 avctx
->get_buffer
= avcodec_default_get_buffer
;
490 avctx
->reget_buffer
= avcodec_default_reget_buffer
;
492 release_buffer(avctx
, pic
);
493 return avctx
->get_buffer(avctx
, pic
);
496 if (IMGFMT_IS_HWACCEL(ctx
->best_csp
))
497 type
= MP_IMGTYPE_NUMBERED
| (0xffff << 16);
498 else if (!pic
->buffer_hints
) {
499 if (ctx
->b_count
> 1 || ctx
->ip_count
> 2) {
500 mp_tmsg(MSGT_DECVIDEO
, MSGL_WARN
, "[VD_FFMPEG] DRI failure.\n");
502 ctx
->do_dr1
= 0; //FIXME
503 avctx
->get_buffer
= avcodec_default_get_buffer
;
504 avctx
->reget_buffer
= avcodec_default_reget_buffer
;
506 release_buffer(avctx
, pic
);
507 return avctx
->get_buffer(avctx
, pic
);
510 if (avctx
->has_b_frames
|| ctx
->b_count
)
511 type
= MP_IMGTYPE_IPB
;
513 type
= MP_IMGTYPE_IP
;
514 mp_msg(MSGT_DECVIDEO
, MSGL_DBG2
,
515 type
== MP_IMGTYPE_IPB
? "using IPB\n" : "using IP\n");
518 if (ctx
->best_csp
== IMGFMT_RGB8
|| ctx
->best_csp
== IMGFMT_BGR8
)
519 flags
|= MP_IMGFLAG_RGB_PALETTE
;
520 mpi
= mpcodecs_get_image(sh
, type
, flags
, width
, height
);
524 // ok, let's see what did we get:
525 if (mpi
->flags
& MP_IMGFLAG_DRAW_CALLBACK
&&
526 !(mpi
->flags
& MP_IMGFLAG_DIRECT
)) {
527 // nice, filter/vo likes draw_callback :)
528 avctx
->draw_horiz_band
= draw_slice
;
530 avctx
->draw_horiz_band
= NULL
;
531 if (IMGFMT_IS_HWACCEL(mpi
->imgfmt
))
532 avctx
->draw_horiz_band
= draw_slice
;
534 pic
->data
[0] = mpi
->planes
[0];
535 pic
->data
[1] = mpi
->planes
[1];
536 pic
->data
[2] = mpi
->planes
[2];
537 pic
->data
[3] = mpi
->planes
[3];
539 /* Note: some (many) codecs in libavcodec require
540 * linesize[1] == linesize[2] and no changes between frames.
541 * Lavc will check that and die with an error message if it's not true.
543 pic
->linesize
[0] = mpi
->stride
[0];
544 pic
->linesize
[1] = mpi
->stride
[1];
545 pic
->linesize
[2] = mpi
->stride
[2];
546 pic
->linesize
[3] = mpi
->stride
[3];
550 pic
->type
= FF_BUFFER_TYPE_USER
;
552 /* The libavcodec reordered_opaque functionality is implemented by
553 * a similar copy in avcodec_default_get_buffer() and without a
554 * workaround like this it'd stop working when a custom buffer
557 pic
->reordered_opaque
= avctx
->reordered_opaque
;
561 static void release_buffer(struct AVCodecContext
*avctx
, AVFrame
*pic
)
563 mp_image_t
*mpi
= pic
->opaque
;
564 sh_video_t
*sh
= avctx
->opaque
;
565 vd_ffmpeg_ctx
*ctx
= sh
->context
;
567 if (ctx
->ip_count
<= 2 && ctx
->b_count
<= 1) {
568 if (mpi
->flags
& MP_IMGFLAG_PRESERVE
)
575 // Palette support: free palette buffer allocated in get_buffer
577 av_freep(&mpi
->planes
[1]);
578 // release mpi (in case MPI_IMGTYPE_NUMBERED is used, e.g. for VDPAU)
582 if (pic
->type
!= FF_BUFFER_TYPE_USER
) {
583 avcodec_default_release_buffer(avctx
, pic
);
587 for (int i
= 0; i
< 4; i
++)
591 static av_unused
void swap_palette(void *pal
)
595 for (i
= 0; i
< AVPALETTE_COUNT
; i
++)
596 p
[i
] = le2me_32(p
[i
]);
599 static struct mp_image
*decode(struct sh_video
*sh
, struct demux_packet
*packet
,
600 void *data
, int len
, int flags
,
601 double *reordered_pts
)
605 vd_ffmpeg_ctx
*ctx
= sh
->context
;
606 AVFrame
*pic
= ctx
->pic
;
607 AVCodecContext
*avctx
= ctx
->avctx
;
608 struct lavc_param
*lavc_param
= &sh
->opts
->lavc_param
;
609 mp_image_t
*mpi
= NULL
;
610 int dr1
= ctx
->do_dr1
;
614 avctx
->draw_horiz_band
= NULL
;
617 avctx
->skip_frame
= AVDISCARD_ALL
;
619 avctx
->skip_frame
= AVDISCARD_NONREF
;
621 avctx
->skip_frame
= ctx
->skip_frame
;
623 av_init_packet(&pkt
);
626 // HACK: make PNGs decode normally instead of as CorePNG delta frames
627 pkt
.flags
= AV_PKT_FLAG_KEY
;
628 if (packet
&& packet
->avpacket
) {
629 pkt
.side_data
= packet
->avpacket
->side_data
;
630 pkt
.side_data_elems
= packet
->avpacket
->side_data_elems
;
632 // The avcodec opaque field stupidly supports only int64_t type
633 union pts
{ int64_t i
; double d
; };
634 avctx
->reordered_opaque
= (union pts
){.d
= *reordered_pts
}.i
;
635 ret
= avcodec_decode_video2(avctx
, pic
, &got_picture
, &pkt
);
636 *reordered_pts
= (union pts
){.i
= pic
->reordered_opaque
}.d
;
640 mp_msg(MSGT_DECVIDEO
, MSGL_WARN
, "Error while decoding frame!\n");
641 //-- vstats generation
642 while (lavc_param
->vstats
) { // always one time loop
643 static FILE *fvstats
= NULL
;
645 static long long int all_len
= 0;
646 static int frame_number
= 0;
647 static double all_frametime
= 0.0;
648 AVFrame
*pic
= avctx
->coded_frame
;
649 double quality
= 0.0;
658 today
= localtime(&today2
);
659 sprintf(filename
, "vstats_%02d%02d%02d.log", today
->tm_hour
,
660 today
->tm_min
, today
->tm_sec
);
661 fvstats
= fopen(filename
, "w");
664 lavc_param
->vstats
= 0; // disable block
670 // average MB quantizer
673 int w
= ((avctx
->width
<< avctx
->lowres
) + 15) >> 4;
674 int h
= ((avctx
->height
<< avctx
->lowres
) + 15) >> 4;
675 int8_t *q
= pic
->qscale_table
;
676 for (y
= 0; y
< h
; y
++) {
677 for (x
= 0; x
< w
; x
++)
678 quality
+= (double)*(q
+ x
);
685 all_frametime
+= sh
->frametime
;
686 fprintf(fvstats
, "frame= %5d q= %2.2f f_size= %6d s_size= %8.0fkB ",
687 ++frame_number
, quality
, len
, (double)all_len
/ 1024);
688 fprintf(fvstats
, "time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
689 all_frametime
, (double)(len
* 8) / sh
->frametime
/ 1000.0,
690 (double)(all_len
* 8) / all_frametime
/ 1000.0);
691 switch (pic
->pict_type
) {
692 case AV_PICTURE_TYPE_I
:
693 fprintf(fvstats
, "type= I\n");
695 case AV_PICTURE_TYPE_P
:
696 fprintf(fvstats
, "type= P\n");
698 case AV_PICTURE_TYPE_S
:
699 fprintf(fvstats
, "type= S\n");
701 case AV_PICTURE_TYPE_B
:
702 fprintf(fvstats
, "type= B\n");
705 fprintf(fvstats
, "type= ? (%d)\n", pic
->pict_type
);
709 ctx
->qp_stat
[(int)(quality
+ 0.5)]++;
710 ctx
->qp_sum
+= quality
;
711 ctx
->inv_qp_sum
+= 1.0 / (double)quality
;
718 return NULL
; // skipped image
720 if (init_vo(sh
, avctx
->pix_fmt
) < 0)
723 if (dr1
&& pic
->opaque
)
724 mpi
= (mp_image_t
*)pic
->opaque
;
727 mpi
= mpcodecs_get_image(sh
, MP_IMGTYPE_EXPORT
, MP_IMGFLAG_PRESERVE
,
728 avctx
->width
, avctx
->height
);
729 if (!mpi
) { // temporary error?
730 mp_tmsg(MSGT_DECVIDEO
, MSGL_WARN
,
731 "[VD_FFMPEG] Couldn't allocate image for codec.\n");
736 mpi
->planes
[0] = pic
->data
[0];
737 mpi
->planes
[1] = pic
->data
[1];
738 mpi
->planes
[2] = pic
->data
[2];
739 mpi
->planes
[3] = pic
->data
[3];
740 mpi
->stride
[0] = pic
->linesize
[0];
741 mpi
->stride
[1] = pic
->linesize
[1];
742 mpi
->stride
[2] = pic
->linesize
[2];
743 mpi
->stride
[3] = pic
->linesize
[3];
749 if (ctx
->best_csp
== IMGFMT_422P
&& mpi
->chroma_y_shift
== 1) {
750 // we have 422p but user wants 420p
756 // FIXME: this might cause problems for buffers with FF_BUFFER_HINTS_PRESERVE
758 swap_palette(mpi
->planes
[1]);
761 mpi
->qscale
= pic
->qscale_table
;
762 mpi
->qstride
= pic
->qstride
;
763 mpi
->pict_type
= pic
->pict_type
;
764 mpi
->qscale_type
= pic
->qscale_type
;
765 mpi
->fields
= MP_IMGFIELD_ORDERED
;
766 if (pic
->interlaced_frame
)
767 mpi
->fields
|= MP_IMGFIELD_INTERLACED
;
768 if (pic
->top_field_first
)
769 mpi
->fields
|= MP_IMGFIELD_TOP_FIRST
;
770 if (pic
->repeat_pict
== 1)
771 mpi
->fields
|= MP_IMGFIELD_REPEAT_FIRST
;
776 static enum PixelFormat
get_format(struct AVCodecContext
*avctx
,
777 const enum PixelFormat
*fmt
)
779 sh_video_t
*sh
= avctx
->opaque
;
782 for (i
= 0; fmt
[i
] != PIX_FMT_NONE
; i
++) {
783 int imgfmt
= pixfmt2imgfmt(fmt
[i
]);
784 if (!IMGFMT_IS_HWACCEL(imgfmt
))
786 mp_msg(MSGT_DECVIDEO
, MSGL_V
, "[VD_FFMPEG] Trying pixfmt=%d.\n", i
);
787 if (init_vo(sh
, fmt
[i
]) >= 0)
793 static int control(sh_video_t
*sh
, int cmd
, void *arg
, ...)
795 vd_ffmpeg_ctx
*ctx
= sh
->context
;
796 AVCodecContext
*avctx
= ctx
->avctx
;
798 case VDCTRL_QUERY_FORMAT
: {
799 int format
= (*((int *)arg
));
800 if (format
== ctx
->best_csp
)
802 // possible conversions:
807 // "converted" using pointer/stride modification
808 if (ctx
->best_csp
== IMGFMT_YV12
)
809 return CONTROL_TRUE
; // u/v swap
810 if (ctx
->best_csp
== IMGFMT_422P
&& !ctx
->do_dr1
)
811 return CONTROL_TRUE
; // half stride
814 return CONTROL_FALSE
;
816 case VDCTRL_RESYNC_STREAM
:
817 avcodec_flush_buffers(avctx
);
819 case VDCTRL_QUERY_UNSEEN_FRAMES
:;
820 int delay
= avctx
->has_b_frames
;
821 if (avctx
->active_thread_type
& FF_THREAD_FRAME
)
822 delay
+= avctx
->thread_count
- 1;
824 case VDCTRL_RESET_ASPECT
:
825 if (ctx
->vo_initialized
)
826 ctx
->vo_initialized
= false;
827 init_vo(sh
, avctx
->pix_fmt
);
830 return CONTROL_UNKNOWN
;
833 const struct vd_functions mpcodecs_vd_ffmpeg
= {