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hwcontext_internal: add ff_hwframe_map_replace 

Used to fix unmapping when no direct interop exists between APIs.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
This commit is contained in:
Rostislav Pehlivanov 2018-04-20 05:30:03 +01:00
parent deb9a04d54
commit 7062e4dbc8
2 changed files with 12 additions and 0 deletions
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7
libavutil/hwcontext.c
View File

@ -870,3 +870,10 @@ fail:
av_buffer_unref(&dst_ref);
return ret;
}
int ff_hwframe_map_replace(AVFrame *dst, const AVFrame *src)
{
HWMapDescriptor *hwmap = (HWMapDescriptor*)dst->buf[0]->data;
av_frame_unref(hwmap->source);
return av_frame_ref(hwmap->source, src);
}

5
libavutil/hwcontext_internal.h
View File

@ -156,6 +156,11 @@ int ff_hwframe_map_create(AVBufferRef *hwframe_ref,
HWMapDescriptor *hwmap),
void *priv);
/**
* Replace the current hwmap of dst with the one from src, used for indirect
* mappings like VAAPI->(DRM)->OpenCL/Vulkan where a direct interop is missing
*/
int ff_hwframe_map_replace(AVFrame *dst, const AVFrame *src);
extern const HWContextType ff_hwcontext_type_cuda;
extern const HWContextType ff_hwcontext_type_d3d11va;