libavcodec/dxva2_mpeg2.c File Reference

#include "dxva2_internal.h"

Go to the source code of this file.

Data Structures
struct	dxva2_picture_context
Defines
#define	MAX_SLICES   (SLICE_MAX_START_CODE - SLICE_MIN_START_CODE + 1)
Functions
static void	fill_picture_parameters (AVCodecContext *avctx, struct dxva_context *ctx, const struct MpegEncContext *s, DXVA_PictureParameters *pp)
static void	fill_quantization_matrices (AVCodecContext *avctx, struct dxva_context *ctx, const struct MpegEncContext *s, DXVA_QmatrixData *qm)
static void	fill_slice (AVCodecContext *avctx, const struct MpegEncContext *s, DXVA_SliceInfo *slice, unsigned position, const uint8_t *buffer, 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_mpeg2_dxva2_hwaccel

---

Define Documentation

#define MAX_SLICES   (SLICE_MAX_START_CODE - SLICE_MIN_START_CODE + 1)

Definition at line 25 of file dxva2_mpeg2.c.

Referenced by decode_slice(), decode_slice_header(), fill_filter_caches(), and read_header().

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Function Documentation

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

Definition at line 147 of file dxva2_mpeg2.c.

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

Definition at line 228 of file dxva2_mpeg2.c.

static int end_frame

(

AVCodecContext *

avctx

)

[static]

Definition at line 249 of file dxva2_mpeg2.c.

static void fill_picture_parameters	(	AVCodecContext *	avctx,
		struct dxva_context *	ctx,
		const struct MpegEncContext *	s,
		DXVA_PictureParameters *	pp
	)			[static]

Definition at line 36 of file dxva2_mpeg2.c.

static void fill_quantization_matrices	(	AVCodecContext *	avctx,
		struct dxva_context *	ctx,
		const struct MpegEncContext *	s,
		DXVA_QmatrixData *	qm
	)			[static]

Definition at line 102 of file dxva2_mpeg2.c.

Referenced by start_frame().

static void fill_slice	(	AVCodecContext *	avctx,
		const struct MpegEncContext *	s,
		DXVA_SliceInfo *	slice,
		unsigned	position,
		const uint8_t *	buffer,
		unsigned	size
	)			[static]

Definition at line 119 of file dxva2_mpeg2.c.

Referenced by decode_slice().

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

Definition at line 206 of file dxva2_mpeg2.c.

---

Variable Documentation

AVHWAccel ff_mpeg2_dxva2_hwaccel

Initial value:

 {
    .name           = "mpeg2_dxva2",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_MPEG2VIDEO,
    .pix_fmt        = PIX_FMT_DXVA2_VLD,
    .capabilities   = 0,
    .start_frame    = start_frame,
    .decode_slice   = decode_slice,
    .end_frame      = end_frame,
    .priv_data_size = sizeof(struct dxva2_picture_context),
}

Definition at line 263 of file dxva2_mpeg2.c.