libavcodec/dxva2_h264.c File Reference

#include "dxva2_internal.h"
#include "h264.h"
#include "h264data.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 (struct dxva_context *ctx, const H264Context *h, DXVA_PicParams_H264 *pp)
static void	fill_scaling_lists (struct dxva_context *ctx, const H264Context *h, DXVA_Qmatrix_H264 *qm)
static int	is_slice_short (struct dxva_context *ctx)
static void	fill_slice_short (DXVA_Slice_H264_Short *slice, unsigned position, unsigned size)
static void	fill_slice_long (AVCodecContext *avctx, DXVA_Slice_H264_Long *slice, unsigned position, unsigned size)
static int	commit_bitstream_and_slice_buffer (AVCodecContext *avctx, DXVA2_DecodeBufferDesc *bs, DXVA2_DecodeBufferDesc *sc)
static int	start_frame (AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
static int	decode_slice (AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
static int	end_frame (AVCodecContext *avctx)
Variables
AVHWAccel	ff_h264_dxva2_hwaccel

---

Function Documentation

static int commit_bitstream_and_slice_buffer	(	AVCodecContext *	avctx,
		DXVA2_DecodeBufferDesc *	bs,
		DXVA2_DecodeBufferDesc *	sc
	)			[static]

Definition at line 274 of file dxva2_h264.c.

Referenced by end_frame().

static int decode_slice	(	AVCodecContext *	avctx,
		const uint8_t *	buffer,
		uint32_t	size
	)			[static]

Definition at line 396 of file dxva2_h264.c.

Referenced by decode_frame(), decode_picture(), execute_decode_slices(), and ff_h263_decode_frame().

static int end_frame

(

AVCodecContext *

avctx

)

[static]

Definition at line 426 of file dxva2_h264.c.

Referenced by avfilter_end_frame(), and get_qscale().

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

Definition at line 37 of file dxva2_h264.c.

Referenced by fill_picture_parameters(), and fill_slice_long().

static void fill_picture_parameters	(	struct dxva_context *	ctx,
		const H264Context *	h,
		DXVA_PicParams_H264 *	pp
	)			[static]

Definition at line 44 of file dxva2_h264.c.

Referenced by start_frame().

static void fill_scaling_lists	(	struct dxva_context *	ctx,
		const H264Context *	h,
		DXVA_Qmatrix_H264 *	qm
	)			[static]

Definition at line 156 of file dxva2_h264.c.

Referenced by start_frame().

static void fill_slice_long	(	AVCodecContext *	avctx,
		DXVA_Slice_H264_Long *	slice,
		unsigned	position,
		unsigned	size
	)			[static]

Definition at line 197 of file dxva2_h264.c.

Referenced by decode_slice().

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

Definition at line 188 of file dxva2_h264.c.

Referenced by decode_slice().

static int is_slice_short

(

struct dxva_context *

ctx

)

[static]

Definition at line 181 of file dxva2_h264.c.

Referenced by commit_bitstream_and_slice_buffer(), and decode_slice().

static int start_frame	(	AVCodecContext *	avctx,
		av_unused const uint8_t *	buffer,
		av_unused uint32_t	size
	)			[static]

Definition at line 372 of file dxva2_h264.c.

Referenced by avfilter_start_frame(), and get_qscale().

---

Variable Documentation

AVHWAccel ff_h264_dxva2_hwaccel

Initial value:

 {
    .name           = "h264_dxva2",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_H264,
    .pix_fmt        = PIX_FMT_DXVA2_VLD,
    .start_frame    = start_frame,
    .decode_slice   = decode_slice,
    .end_frame      = end_frame,
    .priv_data_size = sizeof(struct dxva2_picture_context),
}

Definition at line 441 of file dxva2_h264.c.