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Data Structures | Macros | Functions | Variables
dxva2_mpeg2.c File Reference
#include "libavutil/log.h"
#include "dxva2_internal.h"
#include "mpegutils.h"

Go to the source code of this file.

Data Structures

struct  dxva2_picture_context
 

Macros

#define MAX_SLICES   1024
 

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 dxva2_mpeg2_start_frame (AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
 
static int dxva2_mpeg2_decode_slice (AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
 
static int dxva2_mpeg2_end_frame (AVCodecContext *avctx)
 

Variables

AVHWAccel ff_mpeg2_dxva2_hwaccel
 

Macro Definition Documentation

#define MAX_SLICES   1024

Function Documentation

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

Definition at line 38 of file dxva2_mpeg2.c.

Referenced by dxva2_mpeg2_start_frame().

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

Definition at line 104 of file dxva2_mpeg2.c.

Referenced by dxva2_mpeg2_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 121 of file dxva2_mpeg2.c.

Referenced by dxva2_mpeg2_decode_slice().

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

Definition at line 148 of file dxva2_mpeg2.c.

Referenced by dxva2_mpeg2_end_frame().

static int dxva2_mpeg2_start_frame ( AVCodecContext avctx,
av_unused const uint8_t buffer,
av_unused uint32_t  size 
)
static

Definition at line 210 of file dxva2_mpeg2.c.

static int dxva2_mpeg2_decode_slice ( AVCodecContext avctx,
const uint8_t buffer,
uint32_t  size 
)
static

Definition at line 232 of file dxva2_mpeg2.c.

static int dxva2_mpeg2_end_frame ( AVCodecContext avctx)
static

Definition at line 255 of file dxva2_mpeg2.c.

Variable Documentation

AVHWAccel ff_mpeg2_dxva2_hwaccel
Initial value:
= {
.name = "mpeg2_dxva2",
.start_frame = dxva2_mpeg2_start_frame,
.decode_slice = dxva2_mpeg2_decode_slice,
.end_frame = dxva2_mpeg2_end_frame,
.frame_priv_data_size = sizeof(struct dxva2_picture_context),
}

Definition at line 273 of file dxva2_mpeg2.c.