qtrleenc.c File Reference

#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
#include "codec_internal.h"
#include "encode.h"

Go to the source code of this file.

Data Structures
struct	QtrleEncContext

Macros
#define	MAX_RLE_BULK   127
	Maximum RLE code for bulk copy. More...
#define	MAX_RLE_REPEAT   128
	Maximum RLE code for repeat. More...
#define	MAX_RLE_SKIP   254
	Maximum RLE code for skip. More...

Functions
static av_cold int	qtrle_encode_end (AVCodecContext *avctx)
static av_cold int	qtrle_encode_init (AVCodecContext *avctx)
static void	qtrle_encode_line (QtrleEncContext *s, const AVFrame *p, int line, uint8_t **buf)
	Compute the best RLE sequence for a line. More...
static int	encode_frame (QtrleEncContext *s, const AVFrame *p, uint8_t *buf)
	Encode frame including header. More...
static int	qtrle_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)

Variables
const FFCodec	ff_qtrle_encoder

Macro Definition Documentation

MAX_RLE_BULK

#define MAX_RLE_BULK   127

Maximum RLE code for bulk copy.

Definition at line 32 of file qtrleenc.c.

MAX_RLE_REPEAT

#define MAX_RLE_REPEAT   128

Maximum RLE code for repeat.

Definition at line 34 of file qtrleenc.c.

MAX_RLE_SKIP

#define MAX_RLE_SKIP   254

Maximum RLE code for skip.

Definition at line 36 of file qtrleenc.c.

Function Documentation

qtrle_encode_end()

static av_cold int qtrle_encode_end ( AVCodecContext *  avctx )

static

Definition at line 67 of file qtrleenc.c.

qtrle_encode_init()

static av_cold int qtrle_encode_init ( AVCodecContext *  avctx )

static

Definition at line 78 of file qtrleenc.c.

qtrle_encode_line()

static void qtrle_encode_line ( QtrleEncContext *  s, const AVFrame *  p, int  line, uint8_t **  buf  )

static

Compute the best RLE sequence for a line.

Definition at line 136 of file qtrleenc.c.

Referenced by encode_frame().

encode_frame()

static int encode_frame ( QtrleEncContext *  s, const AVFrame *  p, uint8_t *  buf  )

static

Encode frame including header.

Definition at line 326 of file qtrleenc.c.

Referenced by qtrle_encode_frame().

qtrle_encode_frame()

static int qtrle_encode_frame ( AVCodecContext *  avctx, AVPacket *  pkt, const AVFrame *  pict, int *  got_packet  )

static

Definition at line 367 of file qtrleenc.c.

Variable Documentation

ff_qtrle_encoder

const FFCodec ff_qtrle_encoder

Initial value:

= {
    .p.name         = "qtrle",
    CODEC_LONG_NAME("QuickTime Animation (RLE) video"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_QTRLE,
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
    .priv_data_size = sizeof(QtrleEncContext),
    .init           = qtrle_encode_init,
    FF_CODEC_ENCODE_CB(qtrle_encode_frame),
    .close          = qtrle_encode_end,
    .p.pix_fmts     = (const enum AVPixelFormat[]){
        AV_PIX_FMT_RGB24, AV_PIX_FMT_RGB555BE, AV_PIX_FMT_ARGB, AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE
    },
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 401 of file qtrleenc.c.