cinepak.c File Reference

Cinepak video decoder. More...

#include <stdio.h>
#include <string.h>
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "decode.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, AVFrame *rframe, int *got_frame, AVPacket *avpkt)
static av_cold int	cinepak_decode_end (AVCodecContext *avctx)

Variables
const FFCodec	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

MAX_STRIPS

#define MAX_STRIPS   32

Definition at line 48 of file cinepak.c.

Referenced by cinepak_decode(), and rd_frame().

Typedef Documentation

cvid_codebook

typedef uint8_t cvid_codebook[12]

Definition at line 46 of file cinepak.c.

Function Documentation

cinepak_decode_codebook()

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().

cinepak_decode_vectors()

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().

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().

cinepak_predecode_check()

static int cinepak_predecode_check ( CinepakContext * s )

static

Definition at line 318 of file cinepak.c.

Referenced by cinepak_decode_frame().

cinepak_decode()

static int cinepak_decode ( CinepakContext * s )

static

Definition at line 369 of file cinepak.c.

Referenced by cinepak_decode_frame().

cinepak_decode_init()

static av_cold int cinepak_decode_init ( AVCodecContext * avctx )

static

Definition at line 424 of file cinepak.c.

cinepak_decode_frame()

static int cinepak_decode_frame ( AVCodecContext * avctx, AVFrame * rframe, int * got_frame, AVPacket * avpkt )

static

Definition at line 450 of file cinepak.c.

cinepak_decode_end()

static av_cold int cinepak_decode_end ( AVCodecContext * avctx )

static

Definition at line 498 of file cinepak.c.

Variable Documentation

ff_cinepak_decoder

const FFCodec ff_cinepak_decoder

Initial value:

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

Definition at line 507 of file cinepak.c.