qdrw.c File Reference

#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "bytestream.h"
#include "codec_internal.h"
#include "decode.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, int pixmap)
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, AVFrame *p, int *got_frame, AVPacket *avpkt)

Variables
const FFCodec	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

QuickdrawOpcodes

enum QuickdrawOpcodes

Enumerator
CLIP
PACKBITSRECT
PACKBITSRGN
DIRECTBITSRECT
DIRECTBITSRGN
SHORTCOMMENT
LONGCOMMENT
EOP

Definition at line 36 of file qdrw.c.

Function Documentation

parse_palette()

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

static

Definition at line 48 of file qdrw.c.

Referenced by decode_frame().

decode_rle_bpp2()

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

static

Definition at line 75 of file qdrw.c.

Referenced by decode_frame().

decode_rle_bpp4()

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

static

Definition at line 130 of file qdrw.c.

Referenced by decode_frame().

decode_rle16()

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

static

Definition at line 174 of file qdrw.c.

Referenced by decode_frame().

decode_rle()

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

static

Definition at line 217 of file qdrw.c.

Referenced by decode_frame().

check_header()

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

static

Definition at line 268 of file qdrw.c.

Referenced by decode_frame().

decode_frame()

static int decode_frame ( AVCodecContext *  avctx, AVFrame *  p, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 291 of file qdrw.c.

Variable Documentation

ff_qdraw_decoder

const FFCodec ff_qdraw_decoder

Initial value:

= {
    .p.name         = "qdraw",
    CODEC_LONG_NAME("Apple QuickDraw"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_QDRAW,
    .p.capabilities = AV_CODEC_CAP_DR1,
    FF_CODEC_DECODE_CB(decode_frame),
}

Definition at line 517 of file qdrw.c.