utvideodec.c File Reference

Ut Video decoder. More...

#include <inttypes.h>
#include <stdlib.h>
#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "bswapdsp.h"
#include "bytestream.h"
#include "get_bits.h"
#include "internal.h"
#include "thread.h"
#include "utvideo.h"

Go to the source code of this file.

Functions
static int	build_huff10 (const uint8_t *src, VLC *vlc, int *fsym)
static int	build_huff (const uint8_t *src, VLC *vlc, int *fsym)
static int	decode_plane10 (UtvideoContext *c, int plane_no, uint16_t *dst, int step, ptrdiff_t stride, int width, int height, const uint8_t *src, const uint8_t *huff, int use_pred)
static int	decode_plane (UtvideoContext *c, int plane_no, uint8_t *dst, int step, ptrdiff_t stride, int width, int height, const uint8_t *src, int use_pred)
static void	restore_rgb_planes (uint8_t *src, int step, ptrdiff_t stride, int width, int height)
static void	restore_rgb_planes10 (AVFrame *frame, int width, int height)
static void	restore_median_planar (UtvideoContext *c, uint8_t *src, ptrdiff_t stride, int width, int height, int slices, int rmode)
static void	restore_median_planar_il (UtvideoContext *c, uint8_t *src, ptrdiff_t stride, int width, int height, int slices, int rmode)
static void	restore_median_packed (uint8_t *src, int step, ptrdiff_t stride, int width, int height, int slices, int rmode)
static void	restore_median_packed_il (uint8_t *src, int step, ptrdiff_t stride, int width, int height, int slices, int rmode)
static int	decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	decode_init (AVCodecContext *avctx)
static av_cold int	decode_end (AVCodecContext *avctx)

Variables
AVCodec	ff_utvideo_decoder

Detailed Description

Ut Video decoder.

Definition in file utvideodec.c.

Function Documentation

static int build_huff10 ( const uint8_t *  src, VLC *  vlc, int *  fsym  )

static

Definition at line 39 of file utvideodec.c.

Referenced by decode_plane10().

static int build_huff ( const uint8_t *  src, VLC *  vlc, int *  fsym  )

static

Definition at line 83 of file utvideodec.c.

Referenced by decode_plane().

static int decode_plane10 ( UtvideoContext *  c, int  plane_no, uint16_t *  dst, int  step, ptrdiff_t  stride, int  width, int  height, const uint8_t *  src, const uint8_t *  huff, int  use_pred  )

static

Definition at line 126 of file utvideodec.c.

Referenced by decode_frame().

static int decode_plane ( UtvideoContext *  c, int  plane_no, uint8_t *  dst, int  step, ptrdiff_t  stride, int  width, int  height, const uint8_t *  src, int  use_pred  )

static

Definition at line 231 of file utvideodec.c.

Referenced by decode_frame().

static void restore_rgb_planes ( uint8_t *  src, int  step, ptrdiff_t  stride, int  width, int  height  )

static

Definition at line 336 of file utvideodec.c.

Referenced by decode_frame().

static void restore_rgb_planes10 ( AVFrame *  frame, int  width, int  height  )

static

Definition at line 354 of file utvideodec.c.

Referenced by decode_frame().

static void restore_median_planar ( UtvideoContext *  c, uint8_t *  src, ptrdiff_t  stride, int  width, int  height, int  slices, int  rmode  )

static

Definition at line 380 of file utvideodec.c.

Referenced by decode_frame().

static void restore_median_planar_il ( UtvideoContext *  c, uint8_t *  src, ptrdiff_t  stride, int  width, int  height, int  slices, int  rmode  )

static

Definition at line 428 of file utvideodec.c.

Referenced by decode_frame().

static void restore_median_packed ( uint8_t *  src, int  step, ptrdiff_t  stride, int  width, int  height, int  slices, int  rmode  )

static

Definition at line 479 of file utvideodec.c.

Referenced by decode_frame().

static void restore_median_packed_il ( uint8_t *  src, int  step, ptrdiff_t  stride, int  width, int  height, int  slices, int  rmode  )

static

Definition at line 535 of file utvideodec.c.

Referenced by decode_frame().

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

static

Definition at line 605 of file utvideodec.c.

static av_cold int decode_init ( AVCodecContext *  avctx )

static

Definition at line 824 of file utvideodec.c.

static av_cold int decode_end ( AVCodecContext *  avctx )

static

Definition at line 926 of file utvideodec.c.

Variable Documentation

AVCodec ff_utvideo_decoder

Initial value:

= {
    .name           = "utvideo",
    .long_name      = NULL_IF_CONFIG_SMALL("Ut Video"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_UTVIDEO,
    .priv_data_size = sizeof(UtvideoContext),
    .init           = decode_init,
    .close          = decode_end,
    .decode         = decode_frame,
    .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 935 of file utvideodec.c.