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/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* 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.
* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* 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 |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "libavutil/mem.h"
#include "vda.h" |
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#include "vda_vt_internal.h" |
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#if CONFIG_H264_VDA_HWACCEL
AVVDAContext *av_vda_alloc_context(void)
{
AVVDAContext *ret = av_mallocz(sizeof(*ret));
|
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if (ret) { |
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ret->output_callback = ff_vda_output_callback; |
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ret->cv_pix_fmt_type = kCVPixelFormatType_422YpCbCr8;
} |
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return ret;
}
int av_vda_default_init(AVCodecContext *avctx)
{ |
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return av_vda_default_init2(avctx, NULL);
}
int av_vda_default_init2(AVCodecContext *avctx, AVVDAContext *vdactx)
{
avctx->hwaccel_context = vdactx ?: av_vda_alloc_context(); |
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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 |