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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_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_decode ( CinepakContext s)
static

Definition at line 318 of file cinepak.c.

Referenced by cinepak_decode_frame().

static av_cold int cinepak_decode_init ( AVCodecContext avctx)
static

Definition at line 405 of file cinepak.c.

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

Definition at line 431 of file cinepak.c.

static av_cold int cinepak_decode_end ( AVCodecContext avctx)
static

Definition at line 469 of file cinepak.c.

Variable Documentation

AVCodec ff_cinepak_decoder
Initial value:
= {
.name = "cinepak",
.long_name = NULL_IF_CONFIG_SMALL("Cinepak"),
.priv_data_size = sizeof(CinepakContext),
.capabilities = AV_CODEC_CAP_DR1,
}
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:35
static int cinepak_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: cinepak.c:431
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:176
static av_cold int cinepak_decode_init(AVCodecContext *avctx)
Definition: cinepak.c:405
static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avpkt)
Definition: ccaption_dec.c:752
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:956
static av_cold int cinepak_decode_end(AVCodecContext *avctx)
Definition: cinepak.c:469

Definition at line 478 of file cinepak.c.