Libav
Data Structures | Typedefs | Functions | Variables
dfa.c File Reference
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"

Go to the source code of this file.

Data Structures

struct  DfaContext
 

Typedefs

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_tdlt (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 *got_frame, 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 316 of file dfa.c.

Function Documentation

static av_cold int dfa_decode_init ( AVCodecContext avctx)
static

Definition at line 35 of file dfa.c.

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

Definition at line 52 of file dfa.c.

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

Definition at line 61 of file dfa.c.

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

Definition at line 101 of file dfa.c.

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

Definition at line 138 of file dfa.c.

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

Definition at line 187 of file dfa.c.

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

Definition at line 229 of file dfa.c.

static int decode_tdlt ( GetByteContext gb,
uint8_t frame,
int  width,
int  height 
)
static

Definition at line 287 of file dfa.c.

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

Definition at line 309 of file dfa.c.

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

Definition at line 327 of file dfa.c.

static av_cold int dfa_decode_end ( AVCodecContext avctx)
static

Definition at line 386 of file dfa.c.

Variable Documentation

const chunk_decoder decoder[8]
static
Initial value:
= {
}
static int decode_blck(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:309
static int decode_tdlt(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:287
static int decode_dsw1(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:101
static int decode_copy(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:52
static int decode_bdlt(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:187
static int decode_dds1(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:138
static int decode_wdlt(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:229
static int decode_tsw1(GetByteContext *gb, uint8_t *frame, int width, int height)
Definition: dfa.c:61

Definition at line 318 of file dfa.c.

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

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

Definition at line 323 of file dfa.c.

Referenced by dfa_decode_frame().

AVCodec ff_dfa_decoder
Initial value:
= {
.name = "dfa",
.long_name = NULL_IF_CONFIG_SMALL("Chronomaster DFA"),
.priv_data_size = sizeof(DfaContext),
.capabilities = CODEC_CAP_DR1,
}
static av_cold int dfa_decode_end(AVCodecContext *avctx)
Definition: dfa.c:386
static int decode(MimicContext *ctx, int quality, int num_coeffs, int is_iframe)
Definition: mimic.c:269
#define CODEC_CAP_DR1
Codec uses get_buffer() for allocating buffers and supports custom allocators.
Definition: avcodec.h:711
static int dfa_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: dfa.c:327
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:142
Definition: dfa.c:30
static av_cold int dfa_decode_init(AVCodecContext *avctx)
Definition: dfa.c:35
static void close(AVCodecParserContext *s)
Definition: h264_parser.c:489
static av_cold int init(AVCodecParserContext *s)
Definition: h264_parser.c:498

Definition at line 395 of file dfa.c.