anm.c File Reference

Deluxe Paint Animation decoder. More...

#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	AnmContext

Macros
#define	OP(gb, pixel, count)   op(&dst, dst_end, (gb), (pixel), (count), &s->x, avctx->width, s->frame->linesize[0])

Functions
static av_cold int	decode_init (AVCodecContext *avctx)
static int	op (uint8_t **dst, const uint8_t *dst_end, GetByteContext *gb, int pixel, int count, int *x, int width, int linesize)
	Perform decode operation.
static int	decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_end (AVCodecContext *avctx)

Variables
AVCodec	ff_anm_decoder

Detailed Description

Deluxe Paint Animation decoder.

Definition in file anm.c.

Macro Definition Documentation

#define OP	(		gb,
			pixel,
			count
	)		op(&dst, dst_end, (gb), (pixel), (count), &s->x, avctx->width, s->frame->linesize[0])

Function Documentation

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 38 of file anm.c.

static int op ( uint8_t **  dst, const uint8_t *  dst_end, GetByteContext *  gb, int  pixel, int  count, int *  x, int  width, int  linesize  )

inlinestatic

Perform decode operation.

Parameters

dst	pointer to destination image buffer
dst_end	pointer to end of destination image buffer
gb	GetByteContext (optional, see below)
pixel	Fill color (optional, see below)
count	Pixel count
x	Pointer to x-axis counter
width	Image width
linesize	Destination image buffer linesize

Returns

non-zero if destination buffer is exhausted

a copy operation is achieved when 'gb' is set a fill operation is achieved when 'gb' is null and pixel is >= 0 a skip operation is achieved when 'gb' is null and pixel is < 0

Definition at line 76 of file anm.c.

Referenced by cdxl_decode_ham6(), cdxl_decode_ham8(), core_yuv420_rgb(), mxf_read_partition_pack(), oggvorbis_decode_frame(), oggvorbis_encode_frame(), and seqvideo_decode().

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

static

Definition at line 111 of file anm.c.

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 182 of file anm.c.

Variable Documentation

AVCodec ff_anm_decoder

Initial value:

= {
    .name           = "anm",
    .long_name      = NULL_IF_CONFIG_SMALL("Deluxe Paint Animation"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_ANM,
    .priv_data_size = sizeof(AnmContext),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .capabilities   = CODEC_CAP_DR1,
}

Definition at line 190 of file anm.c.