lclenc.c File Reference

LCL (LossLess Codec Library) Video Codec Decoder for MSZH and ZLIB codecs Experimental encoder for ZLIB RGB24. More...

#include <stdio.h>
#include <stdlib.h>
#include "libavutil/avassert.h"
#include "avcodec.h"
#include "internal.h"
#include "lcl.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include <zlib.h>

Go to the source code of this file.

Data Structures
struct	LclEncContext

Functions
static int	encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *p, int *got_packet)
static av_cold int	encode_init (AVCodecContext *avctx)
static av_cold int	encode_end (AVCodecContext *avctx)

Variables
AVCodec	ff_zlib_encoder

Detailed Description

LCL (LossLess Codec Library) Video Codec Decoder for MSZH and ZLIB codecs Experimental encoder for ZLIB RGB24.

Fourcc: MSZH, ZLIB

Original Win32 dll: Ver2.23 By Kenji Oshima 2000.09.20 avimszh.dll, avizlib.dll

A description of the decoding algorithm can be found here: http://www.pcisys.net/~melanson/codecs

Supports: BGR24 (RGB 24bpp)

Definition in file lclenc.c.

Function Documentation

encode_frame()

static int encode_frame ( AVCodecContext *  avctx, AVPacket *  pkt, const AVFrame *  p, int *  got_packet  )

static

Definition at line 65 of file lclenc.c.

encode_init()

static av_cold int encode_init ( AVCodecContext *  avctx )

static

Definition at line 111 of file lclenc.c.

encode_end()

static av_cold int encode_end ( AVCodecContext *  avctx )

static

Definition at line 160 of file lclenc.c.

Variable Documentation

ff_zlib_encoder

AVCodec ff_zlib_encoder

Initial value:

= {
    .name           = "zlib",
    .long_name      = NULL_IF_CONFIG_SMALL("LCL (LossLess Codec Library) ZLIB"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_ZLIB,
    .priv_data_size = sizeof(LclEncContext),
    .init           = encode_init,
    .encode2        = encode_frame,
    .close          = encode_end,
    .capabilities   = AV_CODEC_CAP_FRAME_THREADS | AV_CODEC_CAP_INTRA_ONLY,
    .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_BGR24, AV_PIX_FMT_NONE },
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE |
                      FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 170 of file lclenc.c.