motionpixels.c File Reference

#include "avcodec.h"
#include "get_bits.h"
#include "dsputil.h"
#include "internal.h"
#include "motionpixels_tablegen.h"

Include dependency graph for motionpixels.c:

Go to the source code of this file.

Data Structures
struct	HuffCode
struct	MotionPixelsContext

Macros
#define	MAX_HUFF_CODES   16

Typedefs
typedef struct HuffCode	HuffCode
typedef struct MotionPixelsContext	MotionPixelsContext

Functions
static av_cold int	mp_decode_init (AVCodecContext *avctx)
static void	mp_read_changes_map (MotionPixelsContext *mp, GetBitContext *gb, int count, int bits_len, int read_color)
static int	mp_get_code (MotionPixelsContext *mp, GetBitContext *gb, int size, int code)
static int	mp_read_codes_table (MotionPixelsContext *mp, GetBitContext *gb)
static int	mp_gradient (MotionPixelsContext *mp, int component, int v)
static YuvPixel	mp_get_yuv_from_rgb (MotionPixelsContext *mp, int x, int y)
static void	mp_set_rgb_from_yuv (MotionPixelsContext *mp, int x, int y, const YuvPixel *p)
static int	mp_get_vlc (MotionPixelsContext *mp, GetBitContext *gb)
static void	mp_decode_line (MotionPixelsContext *mp, GetBitContext *gb, int y)
static void	mp_decode_frame_helper (MotionPixelsContext *mp, GetBitContext *gb)
static int	mp_decode_frame (AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
static av_cold int	mp_decode_end (AVCodecContext *avctx)

Variables
AVCodec	ff_motionpixels_decoder

Macro Definition Documentation

#define MAX_HUFF_CODES   16

Definition at line 27 of file motionpixels.c.

Referenced by mp_get_code().

Typedef Documentation

typedef struct HuffCode HuffCode

typedef struct MotionPixelsContext MotionPixelsContext

Function Documentation

static av_cold int mp_decode_end ( AVCodecContext *  avctx )

static

Definition at line 320 of file motionpixels.c.

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

static

Definition at line 258 of file motionpixels.c.

static void mp_decode_frame_helper ( MotionPixelsContext *  mp, GetBitContext *  gb  )

static

Definition at line 229 of file motionpixels.c.

Referenced by mp_decode_frame().

static av_cold int mp_decode_init ( AVCodecContext *  avctx )

static

Definition at line 53 of file motionpixels.c.

static void mp_decode_line ( MotionPixelsContext *  mp, GetBitContext *  gb, int  y  )

static

Definition at line 182 of file motionpixels.c.

Referenced by mp_decode_frame_helper().

static int mp_get_code ( MotionPixelsContext *  mp, GetBitContext *  gb, int  size, int  code  )

static

Definition at line 105 of file motionpixels.c.

Referenced by mp_read_codes_table().

static int mp_get_vlc ( MotionPixelsContext *  mp, GetBitContext *  gb  )

static

Definition at line 174 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

static YuvPixel mp_get_yuv_from_rgb ( MotionPixelsContext *  mp, int  x, int  y  )

static

Definition at line 158 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

static int mp_gradient ( MotionPixelsContext *  mp, int  component, int  v  )

static

Definition at line 149 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

static void mp_read_changes_map ( MotionPixelsContext *  mp, GetBitContext *  gb, int  count, int  bits_len, int  read_color  )

static

Definition at line 76 of file motionpixels.c.

Referenced by mp_decode_frame().

static int mp_read_codes_table ( MotionPixelsContext *  mp, GetBitContext *  gb  )

static

Definition at line 127 of file motionpixels.c.

Referenced by mp_decode_frame().

static void mp_set_rgb_from_yuv ( MotionPixelsContext *  mp, int  x, int  y, const YuvPixel *  p  )

static

Definition at line 166 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

Variable Documentation

AVCodec ff_motionpixels_decoder

Initial value:

= {
    .name           = "motionpixels",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_MOTIONPIXELS,
    .priv_data_size = sizeof(MotionPixelsContext),
    .init           = mp_decode_init,
    .close          = mp_decode_end,
    .decode         = mp_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .long_name      = NULL_IF_CONFIG_SMALL("Motion Pixels video"),
}

Definition at line 333 of file motionpixels.c.