ylc.c File Reference

#include <string.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
#include "bswapdsp.h"
#include "codec_internal.h"
#include "get_bits.h"
#include "thread.h"
#include "unary.h"

Go to the source code of this file.

Data Structures
struct	YLCContext
struct	Node

Macros
#define	YLC_VLC_BITS   10

Functions
static av_cold int	decode_init (AVCodecContext *avctx)
static void	get_tree_codes (uint32_t *bits, int16_t *lens, uint8_t *xlat, Node *nodes, int node, uint32_t pfx, int pl, int *pos)
static int	build_vlc (AVCodecContext *avctx, VLC *vlc, const uint32_t *table)
static int	decode_frame (AVCodecContext *avctx, AVFrame *p, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_end (AVCodecContext *avctx)

Variables
static const uint8_t	table_y1 []
static const uint8_t	table_u []
static const uint8_t	table_y2 []
static const uint8_t	table_v []
const FFCodec	ff_ylc_decoder

Macro Definition Documentation

YLC_VLC_BITS

#define YLC_VLC_BITS   10

Definition at line 23 of file ylc.c.

Function Documentation

decode_init()

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 43 of file ylc.c.

get_tree_codes()

static void get_tree_codes ( uint32_t *  bits, int16_t *  lens, uint8_t *  xlat, Node *  nodes, int  node, uint32_t  pfx, int  pl, int *  pos  )

static

Definition at line 59 of file ylc.c.

Referenced by build_vlc().

build_vlc()

static int build_vlc ( AVCodecContext *  avctx, VLC *  vlc, const uint32_t *  table  )

static

Definition at line 82 of file ylc.c.

Referenced by decode_frame().

decode_frame()

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

static

Definition at line 277 of file ylc.c.

decode_end()

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 436 of file ylc.c.

Variable Documentation

table_y1

const uint8_t table_y1[]

static

Definition at line 149 of file ylc.c.

Referenced by decode_frame().

table_u

const uint8_t table_u[]

static

Definition at line 181 of file ylc.c.

Referenced by decode_frame().

table_y2

const uint8_t table_y2[]

static

Definition at line 213 of file ylc.c.

Referenced by decode_frame().

table_v

const uint8_t table_v[]

static

Definition at line 245 of file ylc.c.

Referenced by decode_frame().

ff_ylc_decoder

const FFCodec ff_ylc_decoder

Initial value:

= {
    .p.name         = "ylc",
    CODEC_LONG_NAME("YUY2 Lossless Codec"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_YLC,
    .priv_data_size = sizeof(YLCContext),
    .init           = decode_init,
    .close          = decode_end,
    FF_CODEC_DECODE_CB(decode_frame),
    .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
}

Definition at line 448 of file ylc.c.