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85 lines
2.7 KiB
85 lines
2.7 KiB
/* |
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* HW decode acceleration through NVDEC |
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* |
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* Copyright (c) 2016 Anton Khirnov |
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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 |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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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 |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* 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 |
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*/ |
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#ifndef AVCODEC_NVDEC_H |
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#define AVCODEC_NVDEC_H |
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#include "compat/cuda/dynlink_loader.h" |
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#include <stdint.h> |
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#include "libavutil/buffer.h" |
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#include "libavutil/frame.h" |
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#include "avcodec.h" |
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#if defined(NVDECAPI_MAJOR_VERSION) && defined(NVDECAPI_MINOR_VERSION) |
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# define NVDECAPI_CHECK_VERSION(major, minor) \ |
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((major) < NVDECAPI_MAJOR_VERSION || ((major) == NVDECAPI_MAJOR_VERSION && (minor) <= NVDECAPI_MINOR_VERSION)) |
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#else |
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/* version macros were added in SDK 8.1 ffnvcodec */ |
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# define NVDECAPI_CHECK_VERSION(major, minor) \ |
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((major) < 8 || ((major) == 8 && (minor) <= 0)) |
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#endif |
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typedef struct NVDECFrame { |
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unsigned int idx; |
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unsigned int ref_idx; |
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AVBufferRef *idx_ref; |
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AVBufferRef *ref_idx_ref; |
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AVBufferRef *decoder_ref; |
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} NVDECFrame; |
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typedef struct NVDECContext { |
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CUVIDPICPARAMS pic_params; |
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AVBufferPool *decoder_pool; |
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AVBufferRef *decoder_ref; |
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uint8_t *bitstream; |
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int bitstream_len; |
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unsigned int bitstream_allocated; |
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uint8_t *bitstream_internal; |
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unsigned *slice_offsets; |
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int nb_slices; |
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unsigned int slice_offsets_allocated; |
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int supports_444; |
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} NVDECContext; |
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int ff_nvdec_decode_init(AVCodecContext *avctx); |
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int ff_nvdec_decode_uninit(AVCodecContext *avctx); |
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int ff_nvdec_start_frame(AVCodecContext *avctx, AVFrame *frame); |
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int ff_nvdec_start_frame_sep_ref(AVCodecContext *avctx, AVFrame *frame, int has_sep_ref); |
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int ff_nvdec_end_frame(AVCodecContext *avctx); |
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int ff_nvdec_simple_end_frame(AVCodecContext *avctx); |
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int ff_nvdec_simple_decode_slice(AVCodecContext *avctx, const uint8_t *buffer, |
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uint32_t size); |
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int ff_nvdec_frame_params(AVCodecContext *avctx, |
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AVBufferRef *hw_frames_ctx, |
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int dpb_size, |
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int supports_444); |
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int ff_nvdec_get_ref_idx(AVFrame *frame); |
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#endif /* AVCODEC_NVDEC_H */
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