fic.c File Reference

#include "libavutil/common.h"
#include "libavutil/mem_internal.h"
#include "libavutil/opt.h"
#include "avcodec.h"
#include "internal.h"
#include "get_bits.h"
#include "golomb.h"

Go to the source code of this file.

Data Structures
struct	FICThreadContext
struct	FICContext

Macros
#define	FIC_HEADER_SIZE   27
#define	CURSOR_OFFSET   59

Functions
static av_always_inline void	fic_idct (int16_t *blk, int step, int shift, int rnd)
static void	fic_idct_put (uint8_t *dst, int stride, int16_t *block)
static int	fic_decode_block (FICContext *ctx, GetBitContext *gb, uint8_t *dst, int stride, int16_t *block, int *is_p)
static int	fic_decode_slice (AVCodecContext *avctx, void *tdata)
static av_always_inline void	fic_alpha_blend (uint8_t *dst, uint8_t *src, int size, uint8_t *alpha)
static void	fic_draw_cursor (AVCodecContext *avctx, int cur_x, int cur_y)
static int	fic_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	fic_decode_close (AVCodecContext *avctx)
static av_cold int	fic_decode_init (AVCodecContext *avctx)

Variables
static const uint8_t	fic_qmat_hq [64]
static const uint8_t	fic_qmat_lq [64]
static const uint8_t	fic_header [7] = { 0, 0, 1, 'F', 'I', 'C', 'V' }
static const AVOption	options []
static const AVClass	fic_decoder_class
const AVCodec	ff_fic_decoder

Macro Definition Documentation

FIC_HEADER_SIZE

#define FIC_HEADER_SIZE   27

Definition at line 85 of file fic.c.

CURSOR_OFFSET

#define CURSOR_OFFSET   59

Definition at line 86 of file fic.c.

Function Documentation

fic_idct()

static av_always_inline void fic_idct ( int16_t *  blk, int  step, int  shift, int  rnd  )

static

Definition at line 88 of file fic.c.

Referenced by fic_idct_put().

fic_idct_put()

static void fic_idct_put ( uint8_t *  dst, int  stride, int16_t *  block  )

static

Definition at line 112 of file fic.c.

Referenced by fic_decode_block().

fic_decode_block()

static int fic_decode_block ( FICContext *  ctx, GetBitContext *  gb, uint8_t *  dst, int  stride, int16_t *  block, int *  is_p  )

static

Definition at line 138 of file fic.c.

Referenced by fic_decode_slice().

fic_decode_slice()

static int fic_decode_slice ( AVCodecContext *  avctx, void *  tdata  )

static

Definition at line 171 of file fic.c.

Referenced by fic_decode_frame().

fic_alpha_blend()

static av_always_inline void fic_alpha_blend ( uint8_t *  dst, uint8_t *  src, int  size, uint8_t *  alpha  )

static

Definition at line 206 of file fic.c.

Referenced by fic_draw_cursor().

fic_draw_cursor()

static void fic_draw_cursor ( AVCodecContext *  avctx, int  cur_x, int  cur_y  )

static

Definition at line 215 of file fic.c.

Referenced by fic_decode_frame().

fic_decode_frame()

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

static

Definition at line 269 of file fic.c.

fic_decode_close()

static av_cold int fic_decode_close ( AVCodecContext *  avctx )

static

Definition at line 444 of file fic.c.

fic_decode_init()

static av_cold int fic_decode_init ( AVCodecContext *  avctx )

static

Definition at line 455 of file fic.c.

Variable Documentation

fic_qmat_hq

const uint8_t fic_qmat_hq[64]

static

Initial value:

= {
    1, 2, 2, 2, 3, 3, 3, 4,
    2, 2, 2, 3, 3, 3, 4, 4,
    2, 2, 3, 3, 3, 4, 4, 4,
    2, 2, 3, 3, 3, 4, 4, 5,
    2, 3, 3, 3, 4, 4, 5, 6,
    3, 3, 3, 4, 4, 5, 6, 7,
    3, 3, 3, 4, 4, 5, 7, 7,
    3, 3, 4, 4, 5, 7, 7, 7,
}

Definition at line 61 of file fic.c.

Referenced by fic_decode_frame().

fic_qmat_lq

const uint8_t fic_qmat_lq[64]

static

Initial value:

= {
    1,  5,  6,  7,  8,  9,  9, 11,
    5,  5,  7,  8,  9,  9, 11, 12,
    6,  7,  8,  9,  9, 11, 11, 12,
    7,  7,  8,  9,  9, 11, 12, 13,
    7,  8,  9,  9, 10, 11, 13, 16,
    8,  9,  9, 10, 11, 13, 16, 19,
    8,  9,  9, 11, 12, 15, 18, 23,
    9,  9, 11, 12, 15, 18, 23, 27
}

Definition at line 72 of file fic.c.

Referenced by fic_decode_frame().

fic_header

const uint8_t fic_header[7] = { 0, 0, 1, 'F', 'I', 'C', 'V' }

static

Definition at line 83 of file fic.c.

Referenced by fic_decode_frame().

options

const AVOption options[]

static

Initial value:

= {
{ "skip_cursor", "skip the cursor", 0x42, AV_OPT_TYPE_BOOL, {.i64 = 0 }, 0, 1, AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM },
{ NULL },
}

Definition at line 474 of file fic.c.

fic_decoder_class

const AVClass fic_decoder_class

static

Initial value:

= {
    .class_name = "FIC decoder",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 479 of file fic.c.

ff_fic_decoder

const AVCodec ff_fic_decoder

Initial value:

= {
    .name           = "fic",
    .long_name      = NULL_IF_CONFIG_SMALL("Mirillis FIC"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_FIC,
    .priv_data_size = sizeof(FICContext),
    .init           = fic_decode_init,
    .decode         = fic_decode_frame,
    .close          = fic_decode_close,
    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_SLICE_THREADS,
    .priv_class     = &fic_decoder_class,
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 486 of file fic.c.