motionpixels.c File Reference

#include "libavutil/thread.h"
#include "config.h"
#include "avcodec.h"
#include "get_bits.h"
#include "bswapdsp.h"
#include "internal.h"
#include "motionpixels_tablegen.h"

Go to the source code of this file.

Data Structures
struct	HuffCode
struct	MotionPixelsContext

Macros
#define	MAX_HUFF_CODES   16

Functions
static av_cold int	mp_decode_end (AVCodecContext *avctx)
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)
static int	mp_read_codes_table (MotionPixelsContext *mp, GetBitContext *gb)
static av_always_inline 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 av_always_inline 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)

Variables
const AVCodec	ff_motionpixels_decoder

Macro Definition Documentation

MAX_HUFF_CODES

#define MAX_HUFF_CODES   16

Definition at line 31 of file motionpixels.c.

Function Documentation

mp_decode_end()

static av_cold int mp_decode_end ( AVCodecContext *  avctx )

static

Definition at line 56 of file motionpixels.c.

mp_decode_init()

static av_cold int mp_decode_init ( AVCodecContext *  avctx )

static

Definition at line 69 of file motionpixels.c.

mp_read_changes_map()

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

static

Definition at line 102 of file motionpixels.c.

Referenced by mp_decode_frame().

mp_get_code()

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

static

Definition at line 131 of file motionpixels.c.

Referenced by mp_read_codes_table().

mp_read_codes_table()

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

static

Definition at line 151 of file motionpixels.c.

Referenced by mp_decode_frame().

mp_gradient()

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

static

Definition at line 173 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

mp_get_yuv_from_rgb()

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

static

Definition at line 182 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

mp_set_rgb_from_yuv()

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

static

Definition at line 190 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

mp_get_vlc()

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

static

Definition at line 198 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

mp_decode_line()

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

static

Definition at line 204 of file motionpixels.c.

Referenced by mp_decode_frame_helper().

mp_decode_frame_helper()

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

static

Definition at line 251 of file motionpixels.c.

Referenced by mp_decode_frame().

mp_decode_frame()

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

static

Definition at line 280 of file motionpixels.c.

Variable Documentation

ff_motionpixels_decoder

const AVCodec ff_motionpixels_decoder

Initial value:

= {
    .name           = "motionpixels",
    .long_name      = NULL_IF_CONFIG_SMALL("Motion Pixels video"),
    .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   = AV_CODEC_CAP_DR1,
    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_INIT_THREADSAFE,
}

Definition at line 348 of file motionpixels.c.