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zerocodec.c File Reference
#include <zlib.h>
#include "avcodec.h"
#include "internal.h"
#include "libavutil/common.h"

Go to the source code of this file.

Data Structures

struct  ZeroCodecContext


static int zerocodec_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int zerocodec_decode_close (AVCodecContext *avctx)
static av_cold int zerocodec_decode_init (AVCodecContext *avctx)


AVCodec ff_zerocodec_decoder

Function Documentation

static int zerocodec_decode_frame ( AVCodecContext avctx,
void data,
int got_frame,
AVPacket avpkt 

ZeroCodec has very simple interframe compression. If a value is the same as the previous frame, set it to 0.

Definition at line 30 of file zerocodec.c.

static av_cold int zerocodec_decode_close ( AVCodecContext avctx)

Definition at line 103 of file zerocodec.c.

Referenced by zerocodec_decode_init().

static av_cold int zerocodec_decode_init ( AVCodecContext avctx)

Definition at line 114 of file zerocodec.c.

Variable Documentation

AVCodec ff_zerocodec_decoder
Initial value:
= {
.name = "zerocodec",
.long_name = NULL_IF_CONFIG_SMALL("ZeroCodec Lossless Video"),
.priv_data_size = sizeof(ZeroCodecContext),
.capabilities = AV_CODEC_CAP_DR1,
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
Definition: decode_audio.c:42
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:40
static av_cold int zerocodec_decode_close(AVCodecContext *avctx)
Definition: zerocodec.c:103
static int zerocodec_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: zerocodec.c:30
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:179
static av_cold int zerocodec_decode_init(AVCodecContext *avctx)
Definition: zerocodec.c:114
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:1002

Definition at line 142 of file zerocodec.c.