FFmpeg
Data Structures | Functions | Variables
lclenc.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include "libavutil/avassert.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "encode.h"
#include "lcl.h"
#include "zlib_wrapper.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

const FFCodec 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 67 of file lclenc.c.

◆ encode_init()

static av_cold int encode_init ( AVCodecContext avctx)
static

Definition at line 113 of file lclenc.c.

◆ encode_end()

static av_cold int encode_end ( AVCodecContext avctx)
static

Definition at line 145 of file lclenc.c.

Variable Documentation

◆ ff_zlib_encoder

const FFCodec ff_zlib_encoder
Initial value:
= {
.p.name = "zlib",
CODEC_LONG_NAME("LCL (LossLess Codec Library) ZLIB"),
.p.type = AVMEDIA_TYPE_VIDEO,
.priv_data_size = sizeof(LclEncContext),
.close = encode_end,
.p.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_BGR24, AV_PIX_FMT_NONE },
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 154 of file lclenc.c.

AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: codec_internal.h:42
AV_PIX_FMT_BGR24
@ AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:69
FF_CODEC_ENCODE_CB
#define FF_CODEC_ENCODE_CB(func)
Definition: codec_internal.h:307
init
int(* init)(AVBSFContext *ctx)
Definition: dts2pts_bsf.c:363
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition: codec_internal.h:264
AV_CODEC_CAP_FRAME_THREADS
#define AV_CODEC_CAP_FRAME_THREADS
Codec supports frame-level multithreading.
Definition: codec.h:113
AV_CODEC_ID_ZLIB
@ AV_CODEC_ID_ZLIB
Definition: codec_id.h:106
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:52
LclEncContext
Definition: lclenc.c:54
encode_end
static av_cold int encode_end(AVCodecContext *avctx)
Definition: lclenc.c:145
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
encode_frame
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *p, int *got_packet)
Definition: lclenc.c:67
encode_init
static av_cold int encode_init(AVCodecContext *avctx)
Definition: lclenc.c:113