FFmpeg
Data Structures | Macros | Functions
dxva2_mpeg2.c File Reference
#include "config_components.h"
#include "libavutil/log.h"
#include "dxva2_internal.h"
#include "mpegutils.h"
#include "mpegvideodec.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, AVDXVAContext *ctx, const struct MpegEncContext *s, DXVA_PictureParameters *pp)
 
static void fill_quantization_matrices (AVCodecContext *avctx, AVDXVAContext *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, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *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)
 

Macro Definition Documentation

◆ MAX_SLICES

#define MAX_SLICES   1024

Definition at line 31 of file dxva2_mpeg2.c.

Function Documentation

◆ fill_picture_parameters()

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

Definition at line 42 of file dxva2_mpeg2.c.

Referenced by dxva2_mpeg2_start_frame().

◆ fill_quantization_matrices()

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

Definition at line 108 of file dxva2_mpeg2.c.

Referenced by dxva2_mpeg2_start_frame().

◆ fill_slice()

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 125 of file dxva2_mpeg2.c.

Referenced by dxva2_mpeg2_decode_slice().

◆ commit_bitstream_and_slice_buffer()

static int commit_bitstream_and_slice_buffer ( AVCodecContext avctx,
DECODER_BUFFER_DESC bs,
DECODER_BUFFER_DESC sc 
)
static

Definition at line 152 of file dxva2_mpeg2.c.

Referenced by dxva2_mpeg2_end_frame().

◆ dxva2_mpeg2_start_frame()

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

Definition at line 255 of file dxva2_mpeg2.c.

◆ dxva2_mpeg2_decode_slice()

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

Definition at line 277 of file dxva2_mpeg2.c.

◆ dxva2_mpeg2_end_frame()

static int dxva2_mpeg2_end_frame ( AVCodecContext avctx)
static

Definition at line 300 of file dxva2_mpeg2.c.