asvdec.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "libavutil/thread.h"
#include "asv.h"
#include "avcodec.h"
#include "blockdsp.h"
#include "idctdsp.h"
#include "internal.h"
#include "mpeg12data.h"

Go to the source code of this file.

Macros
#define	CCP_VLC_BITS   5
#define	DC_CCP_VLC_BITS   4
#define	AC_CCP_VLC_BITS   6
#define	ASV1_LEVEL_VLC_BITS   4
#define	ASV2_LEVEL_VLC_BITS   10

Functions
static av_cold void	init_vlcs (void)
static int	asv1_get_level (GetBitContext *gb)
static int	asv2_get_vlc2 (GetBitContext *gb, VLC_TYPE(*table)[2], int bits)
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

CCP_VLC_BITS

#define CCP_VLC_BITS   5

Definition at line 37 of file asvdec.c.

DC_CCP_VLC_BITS

#define DC_CCP_VLC_BITS   4

Definition at line 38 of file asvdec.c.

AC_CCP_VLC_BITS

#define AC_CCP_VLC_BITS   6

Definition at line 39 of file asvdec.c.

ASV1_LEVEL_VLC_BITS

#define ASV1_LEVEL_VLC_BITS   4

Definition at line 40 of file asvdec.c.

ASV2_LEVEL_VLC_BITS

#define ASV2_LEVEL_VLC_BITS   10

Definition at line 41 of file asvdec.c.

Function Documentation

init_vlcs()

static av_cold void init_vlcs ( void  )

static

Definition at line 49 of file asvdec.c.

Referenced by decode_init().

asv1_get_level()

static int asv1_get_level ( GetBitContext *  gb )

inlinestatic

Definition at line 68 of file asvdec.c.

Referenced by asv1_decode_block().

asv2_get_vlc2()

static int asv2_get_vlc2 ( GetBitContext *  gb, VLC_TYPE(*)  table[2], int  bits  )

inlinestatic

Definition at line 79 of file asvdec.c.

Referenced by asv2_decode_block(), and asv2_get_level().

asv2_get_level()

static int asv2_get_level ( GetBitContext *  gb )

inlinestatic

Definition at line 97 of file asvdec.c.

Referenced by asv2_decode_block().

asv1_decode_block()

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

inlinestatic

Definition at line 107 of file asvdec.c.

Referenced by decode_mb().

asv2_decode_block()

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

inlinestatic

Definition at line 138 of file asvdec.c.

Referenced by decode_mb().

decode_mb()

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

inlinestatic

Definition at line 174 of file asvdec.c.

Referenced by decode_frame().

idct_put()

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

inlinestatic

Definition at line 194 of file asvdec.c.

Referenced by decode_frame().

decode_frame()

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

static

Definition at line 214 of file asvdec.c.

decode_init()

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 282 of file asvdec.c.

decode_end()

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 319 of file asvdec.c.

Variable Documentation

ccp_vlc

VLC ccp_vlc

static

Definition at line 43 of file asvdec.c.

Referenced by asv1_decode_block(), and init_vlcs().

level_vlc

VLC level_vlc

static

Definition at line 44 of file asvdec.c.

Referenced by asv1_get_level(), and init_vlcs().

dc_ccp_vlc

VLC dc_ccp_vlc

static

Definition at line 45 of file asvdec.c.

Referenced by asv2_decode_block(), and init_vlcs().

ac_ccp_vlc

VLC ac_ccp_vlc

static

Definition at line 46 of file asvdec.c.

Referenced by asv2_decode_block(), and init_vlcs().

asv2_level_vlc

VLC asv2_level_vlc

static

Definition at line 47 of file asvdec.c.

Referenced by asv2_get_level(), and init_vlcs().