dfa.c File Reference
#include "avcodec.h"
#include "internal.h"
#include "bytestream.h"
#include "libavutil/imgutils.h"
#include "libavutil/lzo.h"

Go to the source code of this file.

Data Structures

struct  DfaContext
 

Typedefs

typedef struct DfaContext DfaContext
 
typedef int(* chunk_decoder )(GetByteContext *gb, uint8_t *frame, int width, int height)
 

Functions

static av_cold int dfa_decode_init (AVCodecContext *avctx)
 
static int decode_copy (GetByteContext *gb, uint8_t *frame, int width, int height)
 
static int decode_tsw1 (GetByteContext *gb, uint8_t *frame, int width, int height)
 
static int decode_dsw1 (GetByteContext *gb, uint8_t *frame, int width, int height)
 
static int decode_dds1 (GetByteContext *gb, uint8_t *frame, int width, int height)
 
static int decode_bdlt (GetByteContext *gb, uint8_t *frame, int width, int height)
 
static int decode_wdlt (GetByteContext *gb, uint8_t *frame, int width, int height)
 
static int decode_unk6 (GetByteContext *gb, uint8_t *frame, int width, int height)
 
static int decode_blck (GetByteContext *gb, uint8_t *frame, int width, int height)
 
static int dfa_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
 
static av_cold int dfa_decode_end (AVCodecContext *avctx)
 

Variables

static const chunk_decoder decoder [8]
 
static const char * chunk_name [8]
 
AVCodec ff_dfa_decoder
 

Typedef Documentation

typedef int(* chunk_decoder)(GetByteContext *gb, uint8_t *frame, int width, int height)

Definition at line 303 of file dfa.c.

typedef struct DfaContext DfaContext

Function Documentation

static int decode_bdlt ( GetByteContext gb,
uint8_t *  frame,
int  width,
int  height 
)
static

Definition at line 191 of file dfa.c.

static int decode_blck ( GetByteContext gb,
uint8_t *  frame,
int  width,
int  height 
)
static

Definition at line 296 of file dfa.c.

static int decode_copy ( GetByteContext gb,
uint8_t *  frame,
int  width,
int  height 
)
static

Definition at line 54 of file dfa.c.

static int decode_dds1 ( GetByteContext gb,
uint8_t *  frame,
int  width,
int  height 
)
static

Definition at line 142 of file dfa.c.

static int decode_dsw1 ( GetByteContext gb,
uint8_t *  frame,
int  width,
int  height 
)
static

Definition at line 103 of file dfa.c.

static int decode_tsw1 ( GetByteContext gb,
uint8_t *  frame,
int  width,
int  height 
)
static

Definition at line 63 of file dfa.c.

static int decode_unk6 ( GetByteContext gb,
uint8_t *  frame,
int  width,
int  height 
)
static

Definition at line 291 of file dfa.c.

static int decode_wdlt ( GetByteContext gb,
uint8_t *  frame,
int  width,
int  height 
)
static

Definition at line 233 of file dfa.c.

static av_cold int dfa_decode_end ( AVCodecContext avctx)
static

Definition at line 376 of file dfa.c.

static int dfa_decode_frame ( AVCodecContext avctx,
void data,
int *  data_size,
AVPacket avpkt 
)
static

Definition at line 314 of file dfa.c.

static av_cold int dfa_decode_init ( AVCodecContext avctx)
static

Definition at line 37 of file dfa.c.

Variable Documentation

const char* chunk_name[8]
static
Initial value:
= {
"COPY", "TSW1", "BDLT", "WDLT", "????", "DSW1", "BLCK", "DDS1"
}

Definition at line 310 of file dfa.c.

Referenced by dfa_decode_frame().

const chunk_decoder decoder[8]
static
Initial value:
= {
}
static int decode_unk6(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:291
static int decode_blck(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:296
static int decode_dsw1(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:103
static int decode_copy(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:54
static int decode_bdlt(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:191
static int decode_dds1(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:142
static int decode_wdlt(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:233
static int decode_tsw1(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:63

Definition at line 305 of file dfa.c.

Referenced by av_find_best_stream(), dfa_decode_frame(), libschroedinger_decode_frame(), and libschroedinger_handle_first_access_unit().

AVCodec ff_dfa_decoder
Initial value:
= {
.name = "dfa",
.id = CODEC_ID_DFA,
.priv_data_size = sizeof(DfaContext),
.capabilities = CODEC_CAP_DR1,
.long_name = NULL_IF_CONFIG_SMALL("Chronomaster DFA"),
}
static av_cold int dfa_decode_end(AVCodecContext *avctx)
Definition: dfa.c:376
static int dfa_decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)
Definition: dfa.c:314
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
Definition: mimic.c:228
static int init(AVCodecParserContext *s)
Definition: h264_parser.c:336
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:719
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:191
static av_cold int dfa_decode_init(AVCodecContext *avctx)
Definition: dfa.c:37
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:327
struct DfaContext DfaContext

Definition at line 388 of file dfa.c.