dxva2_h264.c File Reference

#include "dxva2_internal.h"
#include "h264.h"
#include "h264data.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 (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 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, DXVA2_DecodeBufferDesc *bs, DXVA2_DecodeBufferDesc *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)

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 38 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 45 of file dxva2_h264.c.

Referenced by dxva2_h264_start_frame().

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

static

Definition at line 159 of file dxva2_h264.c.

Referenced by dxva2_h264_start_frame().

static int is_slice_short ( struct dxva_context *  ctx )

static

Definition at line 184 of file dxva2_h264.c.

Referenced by commit_bitstream_and_slice_buffer(), and dxva2_h264_decode_slice().

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

static

Definition at line 191 of file dxva2_h264.c.

Referenced by dxva2_h264_decode_slice().

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

static

Definition at line 200 of file dxva2_h264.c.

Referenced by 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 210 of file dxva2_h264.c.

Referenced by dxva2_h264_decode_slice().

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

static

Definition at line 290 of file dxva2_h264.c.

Referenced by dxva2_h264_end_frame().

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

static

Definition at line 390 of file dxva2_h264.c.

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

static

Definition at line 414 of file dxva2_h264.c.

static int dxva2_h264_end_frame ( AVCodecContext *  avctx )

static

Definition at line 445 of file dxva2_h264.c.

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    = dxva2_h264_start_frame,
    .decode_slice   = dxva2_h264_decode_slice,
    .end_frame      = dxva2_h264_end_frame,
    .frame_priv_data_size = sizeof(struct dxva2_picture_context),
}

Definition at line 463 of file dxva2_h264.c.