ffmpeg/libavcodec/vda.c

73 lines
1.7 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; 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;
return ret;
}
int av_vda_default_init(AVCodecContext *avctx)
{
avctx->hwaccel_context = 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