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

Functions
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)

Variables
AVCodec	ff_zerocodec_decoder

Function Documentation

zerocodec_decode_frame()

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

static

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.

zerocodec_decode_close()

static av_cold int zerocodec_decode_close ( AVCodecContext *  avctx )

static

Definition at line 103 of file zerocodec.c.

Referenced by zerocodec_decode_init().

zerocodec_decode_init()

static av_cold int zerocodec_decode_init ( AVCodecContext *  avctx )

static

Definition at line 114 of file zerocodec.c.

Variable Documentation

ff_zerocodec_decoder

AVCodec ff_zerocodec_decoder

Initial value:

= {
    .type           = AVMEDIA_TYPE_VIDEO,
    .name           = "zerocodec",
    .long_name      = NULL_IF_CONFIG_SMALL("ZeroCodec Lossless Video"),
    .id             = AV_CODEC_ID_ZEROCODEC,
    .priv_data_size = sizeof(ZeroCodecContext),
    .init           = zerocodec_decode_init,
    .decode         = zerocodec_decode_frame,
    .close          = zerocodec_decode_close,
    .capabilities   = AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 142 of file zerocodec.c.