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 "dsputil.h"
#include "internal.h"
#include "mathops.h"
#include "mpeg12data.h"

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, DCTELEM block[64])
 
static int asv2_decode_block (ASV1Context *a, DCTELEM block[64])
 
static int decode_mb (ASV1Context *a, DCTELEM block[6][64])
 
static void idct_put (ASV1Context *a, 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
 
AVCodec ff_asv1_decoder
 
AVCodec ff_asv2_decoder
 

Detailed Description

ASUS V1/V2 decoder.

Definition in file asvdec.c.

Macro Definition Documentation

#define ASV2_LEVEL_VLC_BITS   10

Definition at line 41 of file asvdec.c.

Referenced by asv2_get_level(), and init_vlcs().

Function Documentation

static int asv1_decode_block ( ASV1Context a,
DCTELEM  block[64] 
)
inlinestatic

Definition at line 100 of file asvdec.c.

Referenced by decode_mb().

static int asv1_get_level ( GetBitContext gb)
inlinestatic

Definition at line 80 of file asvdec.c.

Referenced by asv1_decode_block().

static int asv2_decode_block ( ASV1Context a,
DCTELEM  block[64] 
)
inlinestatic

Definition at line 131 of file asvdec.c.

Referenced by decode_mb().

static int asv2_get_bits ( GetBitContext gb,
int  n 
)
inlinestatic

Definition at line 75 of file asvdec.c.

Referenced by asv2_decode_block(), and asv2_get_level().

static int asv2_get_level ( GetBitContext gb)
inlinestatic

Definition at line 90 of file asvdec.c.

Referenced by asv2_decode_block().

static av_cold int decode_end ( AVCodecContext avctx)
static

Definition at line 321 of file asvdec.c.

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

Definition at line 207 of file asvdec.c.

static av_cold int decode_init ( AVCodecContext avctx)
static

Definition at line 281 of file asvdec.c.

static int decode_mb ( ASV1Context a,
DCTELEM  block[6][64] 
)
inlinestatic

Definition at line 167 of file asvdec.c.

Referenced by decode_frame().

static void idct_put ( ASV1Context a,
int  mb_x,
int  mb_y 
)
inlinestatic

Definition at line 187 of file asvdec.c.

Referenced by decode_frame().

static av_cold void init_vlcs ( ASV1Context a)
static

Definition at line 49 of file asvdec.c.

Referenced by decode_init().

Variable Documentation

VLC ac_ccp_vlc
static

Definition at line 46 of file asvdec.c.

VLC asv2_level_vlc
static

Definition at line 47 of file asvdec.c.

VLC ccp_vlc
static

Definition at line 43 of file asvdec.c.

VLC dc_ccp_vlc
static

Definition at line 45 of file asvdec.c.

AVCodec ff_asv1_decoder
Initial value:
= {
.name = "asv1",
.priv_data_size = sizeof(ASV1Context),
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("ASUS V1"),
}
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: asvdec.c:207
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
Definition: mimic.c:228
static av_cold int decode_init(AVCodecContext *avctx)
Definition: asvdec.c:281
static int init(AVCodecParserContext *s)
Definition: h264_parser.c:335
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:88
struct ASV1Context ASV1Context
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:326
static av_cold int decode_end(AVCodecContext *avctx)
Definition: asvdec.c:321

Definition at line 335 of file asvdec.c.

AVCodec ff_asv2_decoder
Initial value:
= {
.name = "asv2",
.priv_data_size = sizeof(ASV1Context),
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("ASUS V2"),
}
static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: asvdec.c:207
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
Definition: mimic.c:228
static av_cold int decode_init(AVCodecContext *avctx)
Definition: asvdec.c:281
static int init(AVCodecParserContext *s)
Definition: h264_parser.c:335
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:88
struct ASV1Context ASV1Context
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:326
static av_cold int decode_end(AVCodecContext *avctx)
Definition: asvdec.c:321

Definition at line 347 of file asvdec.c.

VLC level_vlc
static

Definition at line 44 of file asvdec.c.