svq1enc.c File Reference

Sorenson Vector Quantizer #1 (SVQ1) video codec. More...

#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "h263.h"
#include "internal.h"
#include "svq1.h"
#include "svq1enc_cb.h"
#include <assert.h>

Go to the source code of this file.

Data Structures

struct  SVQ1Context

Macros

#define QUALITY_THRESHOLD   100
#define THRESHOLD_MULTIPLIER   0.6

Typedefs

typedef struct SVQ1Context SVQ1Context

Functions

static void svq1_write_header (SVQ1Context *s, int frame_type)
static int encode_block (SVQ1Context *s, uint8_t *src, uint8_t *ref, uint8_t *decoded, int stride, int level, int threshold, int lambda, int intra)
static int svq1_encode_plane (SVQ1Context *s, int plane, unsigned char *src_plane, unsigned char *ref_plane, unsigned char *decoded_plane, int width, int height, int src_stride, int stride)
static av_cold int svq1_encode_init (AVCodecContext *avctx)
static int svq1_encode_frame (AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data)
static av_cold int svq1_encode_end (AVCodecContext *avctx)

Variables

AVCodec ff_svq1_encoder

Detailed Description

Sorenson Vector Quantizer #1 (SVQ1) video codec.

For more information of the SVQ1 algorithm, visit: http://www.pcisys.net/~melanson/codecs/

Definition in file svq1enc.c.

Macro Definition Documentation

#define QUALITY_THRESHOLD   100

Definition at line 113 of file svq1enc.c.

Referenced by svq1_encode_plane().

#define THRESHOLD_MULTIPLIER   0.6

Definition at line 114 of file svq1enc.c.

Referenced by svq1_encode_plane().

Typedef Documentation

typedef struct SVQ1Context SVQ1Context

Function Documentation

static int encode_block ( SVQ1Context s,
uint8_t *  src,
uint8_t *  ref,
uint8_t *  decoded,
int  stride,
int  level,
int  threshold,
int  lambda,
int  intra 
)
static

Definition at line 116 of file svq1enc.c.

Referenced by svq1_encode_plane().

static av_cold int svq1_encode_end ( AVCodecContext avctx)
static

Definition at line 549 of file svq1enc.c.

static int svq1_encode_frame ( AVCodecContext avctx,
unsigned char *  buf,
int  buf_size,
void data 
)
static

Definition at line 501 of file svq1enc.c.

static av_cold int svq1_encode_init ( AVCodecContext avctx)
static

Definition at line 471 of file svq1enc.c.

static int svq1_encode_plane ( SVQ1Context s,
int  plane,
unsigned char *  src_plane,
unsigned char *  ref_plane,
unsigned char *  decoded_plane,
int  width,
int  height,
int  src_stride,
int  stride 
)
static

Definition at line 260 of file svq1enc.c.

Referenced by svq1_encode_frame().

static void svq1_write_header ( SVQ1Context s,
int  frame_type 
)
static

Definition at line 76 of file svq1enc.c.

Referenced by svq1_encode_frame().

Variable Documentation

AVCodec ff_svq1_encoder
Initial value:
{
.name = "svq1",
.priv_data_size = sizeof(SVQ1Context),
.encode = svq1_encode_frame,
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV410P, PIX_FMT_NONE},
.long_name= NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1"),
}

Definition at line 572 of file svq1enc.c.