FFmpeg
Data Structures | Macros | Functions | Variables
midivid.c File Reference
#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "get_bits.h"
#include "bytestream.h"
#include "codec_internal.h"
#include "decode.h"

Go to the source code of this file.

Data Structures

struct  MidiVidContext
 

Macros

#define BITSTREAM_READER_LE
 

Functions

static int decode_mvdv (MidiVidContext *s, AVCodecContext *avctx, AVFrame *frame)
 
static ptrdiff_t lzss_uncompress (MidiVidContext *s, GetByteContext *gb, uint8_t *dst, unsigned int size)
 
static int decode_frame (AVCodecContext *avctx, AVFrame *rframe, int *got_frame, AVPacket *avpkt)
 
static av_cold int decode_init (AVCodecContext *avctx)
 
static void decode_flush (AVCodecContext *avctx)
 
static av_cold int decode_close (AVCodecContext *avctx)
 

Variables

const FFCodec ff_mvdv_decoder
 

Macro Definition Documentation

◆ BITSTREAM_READER_LE

#define BITSTREAM_READER_LE

Definition at line 26 of file midivid.c.

Function Documentation

◆ decode_mvdv()

static int decode_mvdv ( MidiVidContext s,
AVCodecContext avctx,
AVFrame frame 
)
static

Definition at line 43 of file midivid.c.

Referenced by decode_frame().

◆ lzss_uncompress()

static ptrdiff_t lzss_uncompress ( MidiVidContext s,
GetByteContext gb,
uint8_t *  dst,
unsigned int  size 
)
static

Definition at line 150 of file midivid.c.

Referenced by decode_frame().

◆ decode_frame()

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

Definition at line 186 of file midivid.c.

◆ decode_init()

static av_cold int decode_init ( AVCodecContext avctx)
static

Definition at line 234 of file midivid.c.

◆ decode_flush()

static void decode_flush ( AVCodecContext avctx)
static

Definition at line 260 of file midivid.c.

◆ decode_close()

static av_cold int decode_close ( AVCodecContext avctx)
static

Definition at line 267 of file midivid.c.

Variable Documentation

◆ ff_mvdv_decoder

const FFCodec ff_mvdv_decoder
Initial value:
= {
.p.name = "mvdv",
CODEC_LONG_NAME("MidiVid VQ"),
.p.type = AVMEDIA_TYPE_VIDEO,
.priv_data_size = sizeof(MidiVidContext),
.flush = decode_flush,
.close = decode_close,
.p.capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 278 of file midivid.c.

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: codec_internal.h:42
MidiVidContext
Definition: midivid.c:33
decode_close
static av_cold int decode_close(AVCodecContext *avctx)
Definition: midivid.c:267
FF_CODEC_DECODE_CB
#define FF_CODEC_DECODE_CB(func)
Definition: codec_internal.h:306
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition: codec_internal.h:272
AV_CODEC_ID_MVDV
@ AV_CODEC_ID_MVDV
Definition: codec_id.h:301
init
int(* init)(AVBSFContext *ctx)
Definition: dts2pts.c:365
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
decode_frame
static int decode_frame(AVCodecContext *avctx, AVFrame *rframe, int *got_frame, AVPacket *avpkt)
Definition: midivid.c:186
decode_flush
static void decode_flush(AVCodecContext *avctx)
Definition: midivid.c:260
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
decode_init
static av_cold int decode_init(AVCodecContext *avctx)
Definition: midivid.c:234