libavcodec/cinepak.c File Reference

Cinepak video decoder. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libavutil/intreadwrite.h"
#include "avcodec.h"

Go to the source code of this file.

Data Structures
struct	cvid_codebook
struct	cvid_strip
struct	CinepakContext
Defines
#define	MAX_STRIPS   32
Typedefs
typedef struct CinepakContext	CinepakContext
Functions
static void	cinepak_decode_codebook (cvid_codebook *codebook, int chunk_id, int size, const uint8_t *data)
static int	cinepak_decode_vectors (CinepakContext *s, cvid_strip *strip, int chunk_id, int size, const uint8_t *data)
static int	cinepak_decode_strip (CinepakContext *s, cvid_strip *strip, const uint8_t *data, int size)
static int	cinepak_decode (CinepakContext *s)
static av_cold int	cinepak_decode_init (AVCodecContext *avctx)
static int	cinepak_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
static av_cold int	cinepak_decode_end (AVCodecContext *avctx)
Variables
AVCodec	ff_cinepak_decoder

---

Detailed Description

Cinepak video decoder.

Author:

Ewald Snel <ewald@rambo.its.tudelft.nl>

See also:

For more information on the Cinepak algorithm, visit: http://www.csse.monash.edu.au/~timf/

For more information on the quirky data inside Sega FILM/CPK files, visit: http://wiki.multimedia.cx/index.php?title=Sega_FILM

Definition in file cinepak.c.

---

Define Documentation

#define MAX_STRIPS   32

Definition at line 46 of file cinepak.c.

Referenced by cinepak_decode().

---

Typedef Documentation

typedef struct CinepakContext CinepakContext

---

Function Documentation

static int cinepak_decode

(

CinepakContext *

s

)

[static]

Definition at line 318 of file cinepak.c.

Referenced by cinepak_decode_frame().

static void cinepak_decode_codebook	(	cvid_codebook *	codebook,
		int	chunk_id,
		int	size,
		const uint8_t *	data
	)			[static]

Definition at line 74 of file cinepak.c.

Referenced by cinepak_decode_strip().

static av_cold int cinepak_decode_end

(

AVCodecContext *

avctx

)

[static]

Definition at line 459 of file cinepak.c.

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

Definition at line 420 of file cinepak.c.

static av_cold int cinepak_decode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 397 of file cinepak.c.

static int cinepak_decode_strip	(	CinepakContext *	s,
		cvid_strip *	strip,
		const uint8_t *	data,
		int	size
	)			[static]

Definition at line 266 of file cinepak.c.

Referenced by cinepak_decode().

static int cinepak_decode_vectors	(	CinepakContext *	s,
		cvid_strip *	strip,
		int	chunk_id,
		int	size,
		const uint8_t *	data
	)			[static]

Definition at line 123 of file cinepak.c.

Referenced by cinepak_decode_strip().

---

Variable Documentation

AVCodec ff_cinepak_decoder

Initial value:

 {
    .name           = "cinepak",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_CINEPAK,
    .priv_data_size = sizeof(CinepakContext),
    .init           = cinepak_decode_init,
    .close          = cinepak_decode_end,
    .decode         = cinepak_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name = NULL_IF_CONFIG_SMALL("Cinepak"),
}

Definition at line 469 of file cinepak.c.