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 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 157 of file dxva2_h264.c.

Referenced by start_frame().

static int is_slice_short ( struct dxva_context *  ctx )

static

Definition at line 182 of file dxva2_h264.c.

Referenced by commit_bitstream_and_slice_buffer(), and decode_slice().

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

static

Definition at line 189 of file dxva2_h264.c.

Referenced by decode_slice().

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

static

Definition at line 198 of file dxva2_h264.c.

Referenced by decode_slice().

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

static

Definition at line 275 of file dxva2_h264.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 373 of file dxva2_h264.c.

Referenced by get_qscale(), and seg_write_packet().

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

static

Definition at line 397 of file dxva2_h264.c.

static int end_frame ( AVCodecContext *  avctx )

static

Definition at line 427 of file dxva2_h264.c.

Referenced by get_qscale().

Variable Documentation

AVHWAccel ff_h264_dxva2_hwaccel

Initial value:

= {
    .name           = "h264_dxva2",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H264,
    .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 442 of file dxva2_h264.c.