FFmpeg
Data Structures | Enumerations | Functions | Variables
dsicinvideo.c File Reference
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct  CinVideoContext
 

Enumerations

enum  CinVideoBitmapIndex { CIN_CUR_BMP = 0, CIN_PRE_BMP = 1, CIN_INT_BMP = 2 }
 

Functions

static av_cold void destroy_buffers (CinVideoContext *cin)
 
static av_cold int allocate_buffers (CinVideoContext *cin)
 
static av_cold int cinvideo_decode_init (AVCodecContext *avctx)
 
static void cin_apply_delta_data (const unsigned char *src, unsigned char *dst, int size)
 
static int cin_decode_huffman (const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
 
static int cin_decode_lzss (const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
 
static int cin_decode_rle (const unsigned char *src, int src_size, unsigned char *dst, int dst_size)
 
static int cinvideo_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
 
static av_cold int cinvideo_decode_end (AVCodecContext *avctx)
 

Variables

const AVCodec ff_dsicinvideo_decoder
 

Detailed Description

Delphine Software International CIN video decoder

Definition in file dsicinvideo.c.

Enumeration Type Documentation

◆ CinVideoBitmapIndex

Enumerator
CIN_CUR_BMP 
CIN_PRE_BMP 
CIN_INT_BMP 

Definition at line 31 of file dsicinvideo.c.

Function Documentation

◆ destroy_buffers()

static av_cold void destroy_buffers ( CinVideoContext cin)
static

Definition at line 45 of file dsicinvideo.c.

Referenced by cinvideo_decode_end().

◆ allocate_buffers()

static av_cold int allocate_buffers ( CinVideoContext cin)
static

Definition at line 53 of file dsicinvideo.c.

Referenced by cinvideo_decode_init().

◆ cinvideo_decode_init()

static av_cold int cinvideo_decode_init ( AVCodecContext avctx)
static

Definition at line 68 of file dsicinvideo.c.

◆ cin_apply_delta_data()

static void cin_apply_delta_data ( const unsigned char *  src,
unsigned char *  dst,
int  size 
)
static

Definition at line 86 of file dsicinvideo.c.

Referenced by cinvideo_decode_frame().

◆ cin_decode_huffman()

static int cin_decode_huffman ( const unsigned char *  src,
int  src_size,
unsigned char *  dst,
int  dst_size 
)
static

Definition at line 93 of file dsicinvideo.c.

Referenced by cinvideo_decode_frame().

◆ cin_decode_lzss()

static int cin_decode_lzss ( const unsigned char *  src,
int  src_size,
unsigned char *  dst,
int  dst_size 
)
static

Definition at line 128 of file dsicinvideo.c.

Referenced by cinvideo_decode_frame().

◆ cin_decode_rle()

static int cin_decode_rle ( const unsigned char *  src,
int  src_size,
unsigned char *  dst,
int  dst_size 
)
static

Definition at line 166 of file dsicinvideo.c.

Referenced by cinvideo_decode_frame().

◆ cinvideo_decode_frame()

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

Definition at line 196 of file dsicinvideo.c.

◆ cinvideo_decode_end()

static av_cold int cinvideo_decode_end ( AVCodecContext avctx)
static

Definition at line 313 of file dsicinvideo.c.

Variable Documentation

◆ ff_dsicinvideo_decoder

const AVCodec ff_dsicinvideo_decoder
Initial value:
= {
.name = "dsicinvideo",
.long_name = NULL_IF_CONFIG_SMALL("Delphine Software International CIN video"),
.priv_data_size = sizeof(CinVideoContext),
.capabilities = AV_CODEC_CAP_DR1,
}

Definition at line 324 of file dsicinvideo.c.

FF_CODEC_CAP_INIT_THREADSAFE
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:41
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
CinVideoContext
Definition: dsicinvideo.c:37
AV_CODEC_ID_DSICINVIDEO
@ AV_CODEC_ID_DSICINVIDEO
Definition: codec_id.h:144
cinvideo_decode_frame
static int cinvideo_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: dsicinvideo.c:196
decode
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
Definition: decode_audio.c:71
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:52
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
cinvideo_decode_end
static av_cold int cinvideo_decode_end(AVCodecContext *avctx)
Definition: dsicinvideo.c:313
cinvideo_decode_init
static av_cold int cinvideo_decode_init(AVCodecContext *avctx)
Definition: dsicinvideo.c:68
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:49
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201