FFmpeg: libavcodec/dxva2_h264.c File Reference

FFmpeg 4.0

libavcodec

#include "libavutil/avassert.h"
#include "dxva2_internal.h"
#include "h264dec.h"
#include "h264data.h"
#include "h264_ps.h"
#include "mpegutils.h"

Go to the source code of this file.

Data Structures
struct	dxva2_picture_context

Functions
static void	fill_picture_entry (DXVA_PicEntry_H264 *pic, unsigned index, unsigned flag)

static void	fill_picture_parameters (const AVCodecContext avctx, AVDXVAContext ctx, const H264Context h, DXVA_PicParams_H264 pp)

static void	fill_scaling_lists (const AVCodecContext avctx, AVDXVAContext ctx, const H264Context h, DXVA_Qmatrix_H264 qm)

static int	is_slice_short (const AVCodecContext avctx, AVDXVAContext ctx)

static void	fill_slice_short (DXVA_Slice_H264_Short *slice, unsigned position, unsigned size)

static int	get_refpic_index (const DXVA_PicParams_H264 *pp, int surface_index)

static void	fill_slice_long (AVCodecContext avctx, DXVA_Slice_H264_Long slice, const DXVA_PicParams_H264 *pp, unsigned position, unsigned size)

static int	commit_bitstream_and_slice_buffer (AVCodecContext avctx, DECODER_BUFFER_DESC bs, DECODER_BUFFER_DESC *sc)

static int	dxva2_h264_start_frame (AVCodecContext avctx, av_unused const uint8_t buffer, av_unused uint32_t size)

static int	dxva2_h264_decode_slice (AVCodecContext avctx, const uint8_t buffer, uint32_t size)

static int	dxva2_h264_end_frame (AVCodecContext *avctx)

Function Documentation

◆ fill_picture_entry()

static void fill_picture_entry	(	DXVA_PicEntry_H264 *	pic,
		unsigned	index,
		unsigned	flag
	)

static

Definition at line 41 of file dxva2_h264.c.

Referenced by fill_picture_parameters(), and fill_slice_long().

◆ fill_picture_parameters()

static void fill_picture_parameters	(	const AVCodecContext *	avctx,
		AVDXVAContext *	ctx,
		const H264Context *	h,
		DXVA_PicParams_H264 *	pp
	)

static

Definition at line 48 of file dxva2_h264.c.

Referenced by dxva2_h264_start_frame().

◆ fill_scaling_lists()

static void fill_scaling_lists	(	const AVCodecContext *	avctx,
		AVDXVAContext *	ctx,
		const H264Context *	h,
		DXVA_Qmatrix_H264 *	qm
	)

static

Definition at line 164 of file dxva2_h264.c.

Referenced by dxva2_h264_start_frame().

◆ is_slice_short()

static int is_slice_short	(	const AVCodecContext *	avctx,
		AVDXVAContext *	ctx
	)

static

Definition at line 190 of file dxva2_h264.c.

Referenced by commit_bitstream_and_slice_buffer(), and dxva2_h264_decode_slice().

◆ fill_slice_short()

static void fill_slice_short	(	DXVA_Slice_H264_Short *	slice,
		unsigned	position,
		unsigned	size
	)

static

Definition at line 197 of file dxva2_h264.c.

Referenced by dxva2_h264_decode_slice().

◆ get_refpic_index()

static int get_refpic_index	(	const DXVA_PicParams_H264 *	pp,
		int	surface_index
	)

static

Definition at line 206 of file dxva2_h264.c.

Referenced by fill_slice_long().

◆ fill_slice_long()

static void fill_slice_long	(	AVCodecContext *	avctx,
		DXVA_Slice_H264_Long *	slice,
		const DXVA_PicParams_H264 *	pp,
		unsigned	position,
		unsigned	size
	)

static

Definition at line 216 of file dxva2_h264.c.

Referenced by dxva2_h264_decode_slice().

◆ commit_bitstream_and_slice_buffer()

static int commit_bitstream_and_slice_buffer	(	AVCodecContext *	avctx,
		DECODER_BUFFER_DESC *	bs,
		DECODER_BUFFER_DESC *	sc
	)

static

Definition at line 297 of file dxva2_h264.c.

Referenced by dxva2_h264_end_frame().

◆ dxva2_h264_start_frame()

static int dxva2_h264_start_frame	(	AVCodecContext *	avctx,
		av_unused const uint8_t *	buffer,
		av_unused uint32_t	size
	)

static

Definition at line 441 of file dxva2_h264.c.

Referenced by dxva2_h264_end_frame().

◆ dxva2_h264_decode_slice()

static int dxva2_h264_decode_slice	(	AVCodecContext *	avctx,
		const uint8_t *	buffer,
		uint32_t	size
	)

static

Definition at line 465 of file dxva2_h264.c.

Referenced by dxva2_h264_end_frame().

◆ dxva2_h264_end_frame()

static int dxva2_h264_end_frame ( AVCodecContext * avctx )

static

Definition at line 497 of file dxva2_h264.c.