mirror of https://git.ffmpeg.org/ffmpeg.git
86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/*
|
|
* HW decode acceleration through NVDEC
|
|
*
|
|
* Copyright (c) 2016 Anton Khirnov
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef AVCODEC_NVDEC_H
|
|
#define AVCODEC_NVDEC_H
|
|
|
|
#include "compat/cuda/dynlink_loader.h"
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "libavutil/buffer.h"
|
|
#include "libavutil/frame.h"
|
|
|
|
#include "avcodec.h"
|
|
|
|
#if defined(NVDECAPI_MAJOR_VERSION) && defined(NVDECAPI_MINOR_VERSION)
|
|
# define NVDECAPI_CHECK_VERSION(major, minor) \
|
|
((major) < NVDECAPI_MAJOR_VERSION || ((major) == NVDECAPI_MAJOR_VERSION && (minor) <= NVDECAPI_MINOR_VERSION))
|
|
#else
|
|
/* version macros were added in SDK 8.1 ffnvcodec */
|
|
# define NVDECAPI_CHECK_VERSION(major, minor) \
|
|
((major) < 8 || ((major) == 8 && (minor) <= 0))
|
|
#endif
|
|
|
|
typedef struct NVDECFrame {
|
|
unsigned int idx;
|
|
unsigned int ref_idx;
|
|
AVBufferRef *idx_ref;
|
|
AVBufferRef *ref_idx_ref;
|
|
struct NVDECDecoder *decoder; ///< RefStruct reference
|
|
} NVDECFrame;
|
|
|
|
typedef struct NVDECContext {
|
|
CUVIDPICPARAMS pic_params;
|
|
|
|
AVBufferPool *decoder_pool;
|
|
|
|
struct NVDECDecoder *decoder; ///< RefStruct reference
|
|
|
|
uint8_t *bitstream;
|
|
int bitstream_len;
|
|
unsigned int bitstream_allocated;
|
|
uint8_t *bitstream_internal;
|
|
|
|
unsigned *slice_offsets;
|
|
int nb_slices;
|
|
unsigned int slice_offsets_allocated;
|
|
|
|
int supports_444;
|
|
} NVDECContext;
|
|
|
|
int ff_nvdec_decode_init(AVCodecContext *avctx);
|
|
int ff_nvdec_decode_uninit(AVCodecContext *avctx);
|
|
int ff_nvdec_start_frame(AVCodecContext *avctx, AVFrame *frame);
|
|
int ff_nvdec_start_frame_sep_ref(AVCodecContext *avctx, AVFrame *frame, int has_sep_ref);
|
|
int ff_nvdec_end_frame(AVCodecContext *avctx);
|
|
int ff_nvdec_simple_end_frame(AVCodecContext *avctx);
|
|
int ff_nvdec_simple_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
|
|
uint32_t size);
|
|
int ff_nvdec_frame_params(AVCodecContext *avctx,
|
|
AVBufferRef *hw_frames_ctx,
|
|
int dpb_size,
|
|
int supports_444);
|
|
int ff_nvdec_get_ref_idx(AVFrame *frame);
|
|
|
|
#endif /* AVCODEC_NVDEC_H */
|