FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
Data Structures | Functions | Variables
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",
.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.