FFmpeg: libavcodec/motionpixels.c File Reference

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libavcodec

Data Structures | Macros | Functions | Variables

motionpixels.c File Reference

#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, 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)

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().

Function Documentation

static av_cold int mp_decode_end ( AVCodecContext * avctx )

static

Definition at line 53 of file motionpixels.c.

Referenced by mp_decode_init().

static av_cold int mp_decode_init ( AVCodecContext * avctx )

static

Definition at line 66 of file motionpixels.c.

static void mp_read_changes_map ( MotionPixelsContext * mp,

GetBitContext * gb,

int count,

int bits_len,

int read_color

)

static

Definition at line 101 of file motionpixels.c.

Referenced by mp_decode_frame().

static int mp_get_code ( MotionPixelsContext * mp,

GetBitContext * gb,

int size,

int code

)

static

Definition at line 130 of file motionpixels.c.

Referenced by mp_read_codes_table().

static int mp_read_codes_table ( MotionPixelsContext * mp,

GetBitContext * gb

)

static

Definition at line 152 of file motionpixels.c.

Referenced by mp_decode_frame().

static int mp_gradient ( MotionPixelsContext * mp,

int component,

int v

)

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 183 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

static void mp_set_rgb_from_yuv ( MotionPixelsContext * mp,

int x,

int y,

const YuvPixel * p

)

static

Definition at line 191 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

static int mp_get_vlc ( MotionPixelsContext * mp,

GetBitContext * gb

)

static

Definition at line 199 of file motionpixels.c.

Referenced by mp_decode_frame_helper(), and mp_decode_line().

static void mp_decode_line ( MotionPixelsContext * mp,

GetBitContext * gb,

int y

)

static

Definition at line 207 of file motionpixels.c.

Referenced by mp_decode_frame_helper().

static void mp_decode_frame_helper ( MotionPixelsContext * mp,

GetBitContext * gb

)

static

Definition at line 254 of file motionpixels.c.

Referenced by mp_decode_frame().

static int mp_decode_frame ( AVCodecContext * avctx,

void * data,

int * got_frame,

AVPacket * avpkt

)

static

Definition at line 283 of file motionpixels.c.

Variable Documentation

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,

}

init

static av_cold int init(AVCodecContext *avctx)

Definition: avrndec.c:35

MotionPixelsContext

Definition: motionpixels.c:37

decode

static void decode(AVCodecContext *dec_ctx, AVPacket *pkt, AVFrame *frame, FILE *outfile)

Definition: decode_audio.c:42

NULL_IF_CONFIG_SMALL

#define NULL_IF_CONFIG_SMALL(x)

Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...

Definition: internal.h:179

mp_decode_frame

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

Definition: motionpixels.c:283

mp_decode_init

static av_cold int mp_decode_init(AVCodecContext *avctx)

Definition: motionpixels.c:66

AV_CODEC_ID_MOTIONPIXELS

Definition: avcodec.h:339

mp_decode_end

static av_cold int mp_decode_end(AVCodecContext *avctx)

Definition: motionpixels.c:53

AVMEDIA_TYPE_VIDEO

Definition: avutil.h:201

AV_CODEC_CAP_DR1

#define AV_CODEC_CAP_DR1

Codec uses get_buffer() for allocating buffers and supports custom allocators.

Definition: avcodec.h:1002

Definition at line 345 of file motionpixels.c.

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