asvdec.c File Reference

ASUS V1/V2 decoder. More...

#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "asv.h"
#include "avcodec.h"
#include "put_bits.h"
#include "internal.h"
#include "mathops.h"
#include "mpeg12data.h"

Include dependency graph for asvdec.c:

Go to the source code of this file.

Macros
#define	VLC_BITS   6
#define	ASV2_LEVEL_VLC_BITS   10

Functions
static av_cold void	init_vlcs (ASV1Context *a)
static int	asv2_get_bits (GetBitContext *gb, int n)
static int	asv1_get_level (GetBitContext *gb)
static int	asv2_get_level (GetBitContext *gb)
static int	asv1_decode_block (ASV1Context *a, int16_t block[64])
static int	asv2_decode_block (ASV1Context *a, int16_t block[64])
static int	decode_mb (ASV1Context *a, int16_t block[6][64])
static void	idct_put (ASV1Context *a, AVFrame *frame, int mb_x, int mb_y)
static int	decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_init (AVCodecContext *avctx)
static av_cold int	decode_end (AVCodecContext *avctx)

Variables
static VLC	ccp_vlc
static VLC	level_vlc
static VLC	dc_ccp_vlc
static VLC	ac_ccp_vlc
static VLC	asv2_level_vlc

Detailed Description

ASUS V1/V2 decoder.

Definition in file asvdec.c.

Macro Definition Documentation

#define ASV2_LEVEL_VLC_BITS   10

Definition at line 37 of file asvdec.c.

Referenced by asv2_get_level(), and init_vlcs().

#define VLC_BITS   6

Definition at line 36 of file asvdec.c.

Referenced by asv1_decode_block(), asv1_get_level(), asv2_decode_block(), decode_bgr_1(), generate_joint_tables(), init_vlcs(), read_huffman_tables(), and read_old_huffman_tables().

Function Documentation

static int asv1_decode_block ( ASV1Context *  a, int16_t  block[64]  )

inlinestatic

Definition at line 96 of file asvdec.c.

Referenced by decode_mb().

static int asv1_get_level ( GetBitContext *  gb )

inlinestatic

Definition at line 76 of file asvdec.c.

Referenced by asv1_decode_block().

static int asv2_decode_block ( ASV1Context *  a, int16_t  block[64]  )

inlinestatic

Definition at line 127 of file asvdec.c.

Referenced by decode_mb().

static int asv2_get_bits ( GetBitContext *  gb, int  n  )

inlinestatic

Definition at line 71 of file asvdec.c.

Referenced by asv2_decode_block(), and asv2_get_level().

static int asv2_get_level ( GetBitContext *  gb )

inlinestatic

Definition at line 86 of file asvdec.c.

Referenced by asv2_decode_block().

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 297 of file asvdec.c.

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

static

Definition at line 203 of file asvdec.c.

Referenced by decode_end().

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 269 of file asvdec.c.

Referenced by decode_end().

static int decode_mb ( ASV1Context *  a, int16_t  block[6][64]  )

inlinestatic

Definition at line 163 of file asvdec.c.

Referenced by decode_frame().

static void idct_put ( ASV1Context *  a, AVFrame *  frame, int  mb_x, int  mb_y  )

inlinestatic

Definition at line 183 of file asvdec.c.

Referenced by decode_frame().

static av_cold void init_vlcs ( ASV1Context *  a )

static

Definition at line 45 of file asvdec.c.

Referenced by decode_init().

Variable Documentation

VLC ac_ccp_vlc

static

Definition at line 42 of file asvdec.c.

VLC asv2_level_vlc

static

Definition at line 43 of file asvdec.c.

VLC ccp_vlc

static

Definition at line 39 of file asvdec.c.

VLC dc_ccp_vlc

static

Definition at line 41 of file asvdec.c.

VLC level_vlc

static

Definition at line 40 of file asvdec.c.