libavcodec/eacmv.c File Reference

Electronic Arts CMV Video Decoder by Peter Ross (pross@xvid.org). More...

#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"

Go to the source code of this file.

Data Structures
struct	CmvContext
Defines
#define	EA_PREAMBLE_SIZE   8
#define	MVIh_TAG   MKTAG('M', 'V', 'I', 'h')
Functions
static av_cold int	cmv_decode_init (AVCodecContext *avctx)
static void	cmv_decode_intra (CmvContext *s, const uint8_t *buf, const uint8_t *buf_end)
static void	cmv_motcomp (unsigned char *dst, int dst_stride, const unsigned char *src, int src_stride, int x, int y, int xoffset, int yoffset, int width, int height)
static void	cmv_decode_inter (CmvContext *s, const uint8_t *buf, const uint8_t *buf_end)
static void	cmv_process_header (CmvContext *s, const uint8_t *buf, const uint8_t *buf_end)
static int	cmv_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold int	cmv_decode_end (AVCodecContext *avctx)
Variables
AVCodec	ff_eacmv_decoder

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Detailed Description

Electronic Arts CMV Video Decoder by Peter Ross (pross@xvid.org).

Technical details here: http://wiki.multimedia.cx/index.php?title=Electronic_Arts_CMV

Definition in file eacmv.c.

---

Define Documentation

#define EA_PREAMBLE_SIZE   8

Definition at line 149 of file eacmv.c.

Referenced by cmv_decode_frame(), and tgv_decode_frame().

#define MVIh_TAG   MKTAG('M', 'V', 'I', 'h')

Definition at line 150 of file eacmv.c.

Referenced by cmv_decode_frame(), ea_probe(), ea_read_packet(), and process_ea_header().

---

Function Documentation

static av_cold int cmv_decode_end

(

AVCodecContext *

avctx

)

[static]

Definition at line 209 of file eacmv.c.

static int cmv_decode_frame	(	AVCodecContext *	avctx,
		void *	data,
		int *	data_size,
		AVPacket *	avpkt
	)			[static]

Definition at line 152 of file eacmv.c.

static av_cold int cmv_decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 44 of file eacmv.c.

static void cmv_decode_inter	(	CmvContext *	s,
		const uint8_t *	buf,
		const uint8_t *	buf_end
	)			[static]

Definition at line 85 of file eacmv.c.

Referenced by cmv_decode_frame().

static void cmv_decode_intra	(	CmvContext *	s,
		const uint8_t *	buf,
		const uint8_t *	buf_end
	)			[static]

Definition at line 55 of file eacmv.c.

Referenced by cmv_decode_frame().

static void cmv_motcomp	(	unsigned char *	dst,
		int	dst_stride,
		const unsigned char *	src,
		int	src_stride,
		int	x,
		int	y,
		int	xoffset,
		int	yoffset,
		int	width,
		int	height
	)			[static]

Definition at line 66 of file eacmv.c.

Referenced by cmv_decode_inter().

static void cmv_process_header	(	CmvContext *	s,
		const uint8_t *	buf,
		const uint8_t *	buf_end
	)			[static]

Definition at line 122 of file eacmv.c.

Referenced by cmv_decode_frame().

---

Variable Documentation

AVCodec ff_eacmv_decoder

Initial value:

 {
    .name           = "eacmv",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_CMV,
    .priv_data_size = sizeof(CmvContext),
    .init           = cmv_decode_init,
    .close          = cmv_decode_end,
    .decode         = cmv_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("Electronic Arts CMV video"),
}

Definition at line 221 of file eacmv.c.