magicyuv.c File Reference

#include <stdlib.h>
#include <string.h>
#include "libavutil/pixdesc.h"
#include "libavutil/qsort.h"
#include "avcodec.h"
#include "bytestream.h"
#include "get_bits.h"
#include "huffyuvdsp.h"
#include "internal.h"
#include "lossless_videodsp.h"
#include "thread.h"

Go to the source code of this file.

Data Structures
struct	Slice
struct	HuffEntry
struct	MagicYUVContext

Enumerations
enum	Prediction { LEFT = 1, GRADIENT, MEDIAN }

Functions
static int	huff_cmp_len (const void *a, const void *b)
static int	huff_cmp_len10 (const void *a, const void *b)
static int	huff_build10 (VLC *vlc, uint8_t *len)
static int	huff_build (VLC *vlc, uint8_t *len)
static void	magicyuv_median_pred10 (uint16_t *dst, const uint16_t *src1, const uint16_t *diff, intptr_t w, int *left, int *left_top)
static int	magy_decode_slice10 (AVCodecContext *avctx, void *tdata, int j, int threadnr)
static int	magy_decode_slice (AVCodecContext *avctx, void *tdata, int j, int threadnr)
static int	build_huffman (AVCodecContext *avctx, GetBitContext *gbit, int max)
static int	magy_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	magy_decode_init (AVCodecContext *avctx)
static av_cold int	magy_decode_end (AVCodecContext *avctx)

Variables
AVCodec	ff_magicyuv_decoder

Enumeration Type Documentation

enum Prediction

Enumerator
LEFT
GRADIENT
MEDIAN

Definition at line 41 of file magicyuv.c.

Function Documentation

static int huff_cmp_len ( const void *  a, const void *  b  )

static

Definition at line 76 of file magicyuv.c.

Referenced by huff_build().

static int huff_cmp_len10 ( const void *  a, const void *  b  )

static

Definition at line 82 of file magicyuv.c.

Referenced by huff_build10().

static int huff_build10 ( VLC *  vlc, uint8_t *  len  )

static

Definition at line 88 of file magicyuv.c.

Referenced by magy_decode_frame().

static int huff_build ( VLC *  vlc, uint8_t *  len  )

static

Definition at line 120 of file magicyuv.c.

Referenced by magy_decode_frame().

static void magicyuv_median_pred10 ( uint16_t *  dst, const uint16_t *  src1, const uint16_t *  diff, intptr_t  w, int *  left, int *  left_top  )

static

Definition at line 152 of file magicyuv.c.

Referenced by magy_decode_slice10().

static int magy_decode_slice10 ( AVCodecContext *  avctx, void *  tdata, int  j, int  threadnr  )

static

Definition at line 173 of file magicyuv.c.

Referenced by magy_decode_frame().

static int magy_decode_slice ( AVCodecContext *  avctx, void *  tdata, int  j, int  threadnr  )

static

Definition at line 304 of file magicyuv.c.

Referenced by magy_decode_frame().

static int build_huffman ( AVCodecContext *  avctx, GetBitContext *  gbit, int  max  )

static

Definition at line 434 of file magicyuv.c.

Referenced by magy_decode_frame().

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

static

Definition at line 473 of file magicyuv.c.

static av_cold int magy_decode_init ( AVCodecContext *  avctx )

static

Definition at line 701 of file magicyuv.c.

static av_cold int magy_decode_end ( AVCodecContext *  avctx )

static

Definition at line 708 of file magicyuv.c.

Variable Documentation

AVCodec ff_magicyuv_decoder

Initial value:

= {
    .name             = "magicyuv",
    .long_name        = NULL_IF_CONFIG_SMALL("MagicYUV video"),
    .type             = AVMEDIA_TYPE_VIDEO,
    .id               = AV_CODEC_ID_MAGICYUV,
    .priv_data_size   = sizeof(MagicYUVContext),
    .init             = magy_decode_init,
    .init_thread_copy = ONLY_IF_THREADS_ENABLED(magy_init_thread_copy),
    .close            = magy_decode_end,
    .decode           = magy_decode_frame,
    .capabilities     = AV_CODEC_CAP_DR1 |
                        AV_CODEC_CAP_FRAME_THREADS |
                        AV_CODEC_CAP_SLICE_THREADS,
    .caps_internal    = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 722 of file magicyuv.c.