qdrw.c File Reference

Apple QuickDraw codec. More...

#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"

Go to the source code of this file.

Enumerations
enum	QuickdrawOpcodes {   CLIP = 0x0001, PACKBITSRECT = 0x0098, PACKBITSRGN, DIRECTBITSRECT,   DIRECTBITSRGN, SHORTCOMMENT = 0x00A0, LONGCOMMENT, EOP = 0x00FF }

Functions
static int	parse_palette (AVCodecContext *avctx, GetByteContext *gbc, uint32_t *pal, int colors)
static int	decode_rle_bpp2 (AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc)
static int	decode_rle_bpp4 (AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc)
static int	decode_rle16 (AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc)
static int	decode_rle (AVCodecContext *avctx, AVFrame *p, GetByteContext *gbc, int step)
static int	check_header (const char *buf, int buf_size)
static int	decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)

Variables
AVCodec	ff_qdraw_decoder

Detailed Description

Apple QuickDraw codec.

https://developer.apple.com/legacy/library/documentation/mac/QuickDraw/QuickDraw-461.html

Definition in file qdrw.c.

Enumeration Type Documentation

enum QuickdrawOpcodes

Enumerator
CLIP
PACKBITSRECT
PACKBITSRGN
DIRECTBITSRECT
DIRECTBITSRGN
SHORTCOMMENT
LONGCOMMENT
EOP

Definition at line 35 of file qdrw.c.

Function Documentation

static int parse_palette ( AVCodecContext *  avctx, GetByteContext *  gbc, uint32_t *  pal, int  colors  )

static

Definition at line 47 of file qdrw.c.

Referenced by decode_frame().

static int decode_rle_bpp2 ( AVCodecContext *  avctx, AVFrame *  p, GetByteContext *  gbc  )

static

Definition at line 74 of file qdrw.c.

Referenced by decode_frame().

static int decode_rle_bpp4 ( AVCodecContext *  avctx, AVFrame *  p, GetByteContext *  gbc  )

static

Definition at line 129 of file qdrw.c.

Referenced by decode_frame().

static int decode_rle16 ( AVCodecContext *  avctx, AVFrame *  p, GetByteContext *  gbc  )

static

Definition at line 173 of file qdrw.c.

Referenced by decode_frame().

static int decode_rle ( AVCodecContext *  avctx, AVFrame *  p, GetByteContext *  gbc, int  step  )

static

Definition at line 216 of file qdrw.c.

Referenced by decode_frame().

static int check_header ( const char *  buf, int  buf_size  )

static

Definition at line 267 of file qdrw.c.

Referenced by decode_frame().

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

static

Definition at line 290 of file qdrw.c.

Variable Documentation

AVCodec ff_qdraw_decoder

Initial value:

= {
    .name           = "qdraw",
    .long_name      = NULL_IF_CONFIG_SMALL("Apple QuickDraw"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_QDRAW,
    .decode         = decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}

Definition at line 513 of file qdrw.c.