mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
e7c5e17d4f
This is useful for client programs to ask for nv12 surfaces instead of the current default (uyvy), since those are more efficient to decode to. Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* Libav is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "libavutil/mem.h"
|
|
|
|
#include "vda.h"
|
|
#include "vda_internal.h"
|
|
|
|
#if CONFIG_H264_VDA_HWACCEL
|
|
AVVDAContext *av_vda_alloc_context(void)
|
|
{
|
|
AVVDAContext *ret = av_mallocz(sizeof(*ret));
|
|
|
|
if (ret) {
|
|
ret->output_callback = ff_vda_output_callback;
|
|
ret->cv_pix_fmt_type = kCVPixelFormatType_422YpCbCr8;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int av_vda_default_init(AVCodecContext *avctx)
|
|
{
|
|
return av_vda_default_init2(avctx, NULL);
|
|
}
|
|
|
|
int av_vda_default_init2(AVCodecContext *avctx, AVVDAContext *vdactx)
|
|
{
|
|
avctx->hwaccel_context = vdactx ?: av_vda_alloc_context();
|
|
if (!avctx->hwaccel_context)
|
|
return AVERROR(ENOMEM);
|
|
return ff_vda_default_init(avctx);
|
|
}
|
|
|
|
void av_vda_default_free(AVCodecContext *avctx)
|
|
{
|
|
ff_vda_default_free(avctx);
|
|
av_freep(&avctx->hwaccel_context);
|
|
}
|
|
|
|
void ff_vda_default_free(AVCodecContext *avctx)
|
|
{
|
|
AVVDAContext *vda = avctx->hwaccel_context;
|
|
if (vda && vda->decoder)
|
|
VDADecoderDestroy(vda->decoder);
|
|
}
|
|
|
|
#else
|
|
AVVDAContext *av_vda_alloc_context(void)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
int av_vda_default_init(AVCodecContext *avctx)
|
|
{
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
void av_vda_default_free(AVCodecContext *ctx)
|
|
{
|
|
}
|
|
#endif
|