On 30/05/2024 15:08, Dmitrii Ovchinnikov wrote:
Adds hwcontext_amf, which allows to use shared AMF context for the encoder, decoder and AMF-based filters, without copy to the host memory. It will also allow you to use some optimisations in the interaction of components (for example, SAV) and make a more manageable and optimal setup for using GPU devices with AMF in the case of a fully AMF pipeline. It will be a significant performance uplift when full AMF pipeline with filters is used.We also plan to add Compression artefact removal filter in near feature. v2: cleanup header files v3: an unnecessary class has been removed. --- libavutil/Makefile | 4 + libavutil/hwcontext.c | 4 + libavutil/hwcontext.h | 1 + libavutil/hwcontext_amf.c | 585 +++++++++++++++++++++++++++++ libavutil/hwcontext_amf.h | 64 ++++ libavutil/hwcontext_amf_internal.h | 44 +++ libavutil/hwcontext_internal.h | 1 + libavutil/pixdesc.c | 4 + libavutil/pixfmt.h | 5 + 9 files changed, 712 insertions(+) create mode 100644 libavutil/hwcontext_amf.c create mode 100644 libavutil/hwcontext_amf.h create mode 100644 libavutil/hwcontext_amf_internal.h
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