dxva2_mpeg2.c File Reference

#include "dxva2_internal.h"

Go to the source code of this file.

Data Structures
struct	dxva2_picture_context

Macros
#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

Macro Definition 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_inter(), and read_header().

Function Documentation

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.

Referenced by start_frame().

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 commit_bitstream_and_slice_buffer ( AVCodecContext *  avctx, DXVA2_DecodeBufferDesc *  bs, DXVA2_DecodeBufferDesc *  sc  )

static

Definition at line 147 of file dxva2_mpeg2.c.

Referenced by end_frame().

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.

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.

Variable Documentation

AVHWAccel ff_mpeg2_dxva2_hwaccel

Initial value:

= {
    .name           = "mpeg2_dxva2",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_MPEG2VIDEO,
    .pix_fmt        = AV_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 263 of file dxva2_mpeg2.c.