cinepak.c File Reference

Cinepak video decoder. More...

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

Go to the source code of this file.

Data Structures
struct	cvid_strip
struct	CinepakContext

Macros
#define	MAX_STRIPS   32

Typedefs
typedef uint8_t	cvid_codebook [12]

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_predecode_check (CinepakContext *s)
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 *got_frame, 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.nosp@m.@ram.nosp@m.bo.it.nosp@m.s.tu.nosp@m.delft.nosp@m..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

Cinepak colorspace support (c) 2013 Rl, Aetey Global Technologies AB

Author

Cinepak colorspace, Rl, Aetey Global Technologies AB

Definition in file cinepak.c.

Macro Definition Documentation

#define MAX_STRIPS   32

Definition at line 48 of file cinepak.c.

Referenced by cinepak_decode().

Typedef Documentation

typedef uint8_t cvid_codebook[12]

Definition at line 46 of file cinepak.c.

Function Documentation

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

static

Definition at line 76 of file cinepak.c.

Referenced by cinepak_decode_strip().

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

static

Definition at line 132 of file cinepak.c.

Referenced by cinepak_decode_strip().

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_predecode_check ( CinepakContext *  s )

static

Definition at line 318 of file cinepak.c.

Referenced by cinepak_decode_frame().

static int cinepak_decode ( CinepakContext *  s )

static

Definition at line 359 of file cinepak.c.

Referenced by cinepak_decode_frame().

static av_cold int cinepak_decode_init ( AVCodecContext *  avctx )

static

Definition at line 414 of file cinepak.c.

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

static

Definition at line 440 of file cinepak.c.

static av_cold int cinepak_decode_end ( AVCodecContext *  avctx )

static

Definition at line 496 of file cinepak.c.

Variable Documentation

AVCodec ff_cinepak_decoder

Initial value:

= {
    .name           = "cinepak",
    .long_name      = NULL_IF_CONFIG_SMALL("Cinepak"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_CINEPAK,
    .priv_data_size = sizeof(CinepakContext),
    .init           = cinepak_decode_init,
    .close          = cinepak_decode_end,
    .decode         = cinepak_decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1,
}

Definition at line 505 of file cinepak.c.