FFmpeg
Data Structures | Functions | Variables
lscrdec.c File Reference
#include <stdint.h>
#include <zlib.h>
#include "libavutil/frame.h"
#include "libavutil/error.h"
#include "libavutil/log.h"
#include "avcodec.h"
#include "bytestream.h"
#include "codec.h"
#include "internal.h"
#include "packet.h"
#include "png.h"
#include "pngdsp.h"

Go to the source code of this file.

Data Structures

struct  LSCRContext
 

Functions

static void handle_row (LSCRContext *s)
 
static int decode_idat (LSCRContext *s, int length)
 
static int decode_frame_lscr (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
 
static int lscr_decode_close (AVCodecContext *avctx)
 
static int lscr_decode_init (AVCodecContext *avctx)
 
static void lscr_decode_flush (AVCodecContext *avctx)
 

Variables

const AVCodec ff_lscr_decoder
 

Function Documentation

◆ handle_row()

static void handle_row ( LSCRContext s)
static

Definition at line 58 of file lscrdec.c.

Referenced by decode_idat().

◆ decode_idat()

static int decode_idat ( LSCRContext s,
int  length 
)
static

Definition at line 74 of file lscrdec.c.

Referenced by decode_frame_lscr().

◆ decode_frame_lscr()

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

Definition at line 108 of file lscrdec.c.

◆ lscr_decode_close()

static int lscr_decode_close ( AVCodecContext avctx)
static

Definition at line 233 of file lscrdec.c.

◆ lscr_decode_init()

static int lscr_decode_init ( AVCodecContext avctx)
static

Definition at line 244 of file lscrdec.c.

◆ lscr_decode_flush()

static void lscr_decode_flush ( AVCodecContext avctx)
static

Definition at line 261 of file lscrdec.c.

Variable Documentation

◆ ff_lscr_decoder

const AVCodec ff_lscr_decoder
Initial value:
= {
.name = "lscr",
.long_name = NULL_IF_CONFIG_SMALL("LEAD Screen Capture"),
.priv_data_size = sizeof(LSCRContext),
.capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 267 of file lscrdec.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:42
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
lscr_decode_close
static int lscr_decode_close(AVCodecContext *avctx)
Definition: lscrdec.c:233
decode
static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)
Definition: decode_audio.c:71
LSCRContext
Definition: lscrdec.c:36
flush
static void flush(AVCodecContext *avctx)
Definition: aacdec_template.c:593
AV_CODEC_ID_LSCR
@ AV_CODEC_ID_LSCR
Definition: codec_id.h:294
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
decode_frame_lscr
static int decode_frame_lscr(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
Definition: lscrdec.c:108
lscr_decode_flush
static void lscr_decode_flush(AVCodecContext *avctx)
Definition: lscrdec.c:261
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
lscr_decode_init
static int lscr_decode_init(AVCodecContext *avctx)
Definition: lscrdec.c:244