escape130.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "get_bits.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	Escape130Context

Macros
#define	BITSTREAM_READER_LE

Functions
static av_cold int	escape130_decode_init (AVCodecContext *avctx)
static av_cold int	escape130_decode_close (AVCodecContext *avctx)
static int	decode_skip_count (GetBitContext *gb)
static int	escape130_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)

Variables
static const uint8_t	offset_table [] = { 2, 4, 10, 20 }
static const int8_t	sign_table [64][4]
static const int8_t	luma_adjust [] = { -4, -3, -2, -1, 1, 2, 3, 4 }
static const int8_t	chroma_adjust [2][8]
const uint8_t	chroma_vals []
AVCodec	ff_escape130_decoder

Macro Definition Documentation

#define BITSTREAM_READER_LE

Definition at line 25 of file escape130.c.

Function Documentation

static av_cold int escape130_decode_init ( AVCodecContext *  avctx )

static

Definition at line 115 of file escape130.c.

static av_cold int escape130_decode_close ( AVCodecContext *  avctx )

static

Definition at line 154 of file escape130.c.

static int decode_skip_count ( GetBitContext *  gb )

static

Definition at line 165 of file escape130.c.

Referenced by escape130_decode_frame().

static int escape130_decode_frame ( AVCodecContext *  avctx, void *  data, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 191 of file escape130.c.

Variable Documentation

const uint8_t offset_table[] = { 2, 4, 10, 20 }

static

Definition at line 40 of file escape130.c.

Referenced by escape130_decode_frame(), and seq_parse_frame_data().

const int8_t sign_table[64][4]

static

Definition at line 41 of file escape130.c.

Referenced by escape130_decode_frame().

const int8_t luma_adjust[] = { -4, -3, -2, -1, 1, 2, 3, 4 }

static

Definition at line 101 of file escape130.c.

Referenced by escape130_decode_frame().

const int8_t chroma_adjust[2][8]

static

Initial value:

= {
    { 1, 1, 0, -1, -1, -1,  0,  1 },
    { 0, 1, 1,  1,  0, -1, -1, -1 }
}

Definition at line 103 of file escape130.c.

Referenced by escape130_decode_frame().

const uint8_t chroma_vals[]

Initial value:

= {
     20,  28,  36,  44,  52,  60,  68,  76,
     84,  92, 100, 106, 112, 116, 120, 124,
    128, 132, 136, 140, 144, 150, 156, 164,
    172, 180, 188, 196, 204, 212, 220, 228
}

Definition at line 108 of file escape130.c.

Referenced by escape130_decode_frame().

AVCodec ff_escape130_decoder

Initial value:

= {
    .name           = "escape130",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_ESCAPE130,
    .priv_data_size = sizeof(Escape130Context),
    .init           = escape130_decode_init,
    .close          = escape130_decode_close,
    .decode         = escape130_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("Escape 130"),
}

Definition at line 350 of file escape130.c.