rv10.c File Reference

RV10/RV20 decoder. More...

#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "mpeg4video.h"
#include "h263.h"

Go to the source code of this file.

Macros
#define	RV_GET_MAJOR_VER(x)   ((x) >> 28)
#define	RV_GET_MINOR_VER(x)   (((x) >> 20) & 0xFF)
#define	RV_GET_MICRO_VER(x)   (((x) >> 12) & 0xFF)
#define	DC_VLC_BITS   14

Functions
int	rv_decode_dc (MpegEncContext *s, int n)
static int	rv10_decode_picture_header (MpegEncContext *s)
static int	rv20_decode_picture_header (MpegEncContext *s)
static av_cold int	rv10_decode_init (AVCodecContext *avctx)
static av_cold int	rv10_decode_end (AVCodecContext *avctx)
static int	rv10_decode_packet (AVCodecContext *avctx, const uint8_t *buf, int buf_size, int buf_size2)
static int	get_slice_offset (AVCodecContext *avctx, const uint8_t *buf, int n)
static int	rv10_decode_frame (AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt)

Variables
static const uint16_t	rv_lum_code [256]
static const uint8_t	rv_lum_bits [256]
static const uint16_t	rv_chrom_code [256]
static const uint8_t	rv_chrom_bits [256]
static VLC	rv_dc_lum
static VLC	rv_dc_chrom
AVCodec	ff_rv10_decoder
AVCodec	ff_rv20_decoder

Detailed Description

RV10/RV20 decoder.

Definition in file rv10.c.

Macro Definition Documentation

#define DC_VLC_BITS   14

Definition at line 41 of file rv10.c.

Referenced by rv10_decode_init(), and rv_decode_dc().

#define RV_GET_MAJOR_VER

(

x

)

((x) >> 28)

Definition at line 37 of file rv10.c.

Referenced by rv10_decode_init().

#define RV_GET_MICRO_VER

(

x

)

(((x) >> 12) & 0xFF)

Definition at line 39 of file rv10.c.

Referenced by rv10_decode_init().

#define RV_GET_MINOR_VER

(

x

)

(((x) >> 20) & 0xFF)

Definition at line 38 of file rv10.c.

Referenced by rv10_decode_init(), and rv20_decode_picture_header().

Function Documentation

static int get_slice_offset ( AVCodecContext *  avctx, const uint8_t *  buf, int  n  )

static

Definition at line 640 of file rv10.c.

Referenced by rv10_decode_frame().

static av_cold int rv10_decode_end ( AVCodecContext *  avctx )

static

Definition at line 498 of file rv10.c.

static int rv10_decode_frame ( AVCodecContext *  avctx, void *  data, int *  data_size, AVPacket *  avpkt  )

static

Definition at line 646 of file rv10.c.

static av_cold int rv10_decode_init ( AVCodecContext *  avctx )

static

Definition at line 424 of file rv10.c.

static int rv10_decode_packet ( AVCodecContext *  avctx, const uint8_t *  buf, int  buf_size, int  buf_size2  )

static

Definition at line 506 of file rv10.c.

Referenced by rv10_decode_frame().

static int rv10_decode_picture_header ( MpegEncContext *  s )

static

Definition at line 240 of file rv10.c.

Referenced by rv10_decode_packet().

static int rv20_decode_picture_header ( MpegEncContext *  s )

static

Definition at line 296 of file rv10.c.

Referenced by rv10_decode_packet().

int rv_decode_dc	(	MpegEncContext *	s,
		int	n
	)

Definition at line 189 of file rv10.c.

Referenced by h263_decode_block().

Variable Documentation

AVCodec ff_rv10_decoder

Initial value:

 {
    .name           = "rv10",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_RV10,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = rv10_decode_init,
    .close          = rv10_decode_end,
    .decode         = rv10_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .max_lowres = 3,
    .long_name = NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
    .pix_fmts= ff_pixfmt_list_420,
}

Definition at line 714 of file rv10.c.

AVCodec ff_rv20_decoder

Initial value:

 {
    .name           = "rv20",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = CODEC_ID_RV20,
    .priv_data_size = sizeof(MpegEncContext),
    .init           = rv10_decode_init,
    .close          = rv10_decode_end,
    .decode         = rv10_decode_frame,
    .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
    .flush= ff_mpeg_flush,
    .max_lowres = 3,
    .long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
    .pix_fmts= ff_pixfmt_list_420,
}

Definition at line 728 of file rv10.c.

const uint8_t rv_chrom_bits[256]

static

Definition at line 151 of file rv10.c.

Referenced by rv10_decode_init().

const uint16_t rv_chrom_code[256]

static

Definition at line 115 of file rv10.c.

Referenced by rv10_decode_init().

VLC rv_dc_chrom

static

Definition at line 187 of file rv10.c.

VLC rv_dc_lum

static

Definition at line 187 of file rv10.c.

const uint8_t rv_lum_bits[256]

static

Definition at line 79 of file rv10.c.

Referenced by rv10_decode_init().

const uint16_t rv_lum_code[256]

static

Definition at line 43 of file rv10.c.

Referenced by rv10_decode_init().