rv10.c File Reference

RV10/RV20 decoder. More...

#include <inttypes.h>
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "error_resilience.h"
#include "h263.h"
#include "internal.h"
#include "mpeg_er.h"
#include "mpegvideo.h"
#include "mpeg4video.h"

Go to the source code of this file.

Data Structures
struct	RVDecContext

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
#define	ERROR_SKIP_FRAME   -123

Functions
int	ff_rv_decode_dc (MpegEncContext *s, int n)
static int	rv10_decode_picture_header (MpegEncContext *s)
static int	rv20_decode_picture_header (RVDecContext *rv)
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 *got_frame, 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 RV_GET_MAJOR_VER

(

x

)

((x) >> 28)

Definition at line 40 of file rv10.c.

Referenced by rv10_decode_init().

#define RV_GET_MINOR_VER

(

x

)

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

Definition at line 41 of file rv10.c.

Referenced by rv10_decode_init(), and rv20_decode_picture_header().

#define RV_GET_MICRO_VER

(

x

)

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

Definition at line 42 of file rv10.c.

Referenced by rv10_decode_init().

#define DC_VLC_BITS   14

Definition at line 44 of file rv10.c.

Referenced by ff_rv_decode_dc(), and rv10_decode_init().

#define ERROR_SKIP_FRAME   -123

Referenced by rv10_decode_packet(), and rv20_decode_picture_header().

Function Documentation

int ff_rv_decode_dc	(	MpegEncContext *	s,
		int	n
	)

Definition at line 193 of file rv10.c.

Referenced by h263_decode_block().

static int rv10_decode_picture_header ( MpegEncContext *  s )

static

Definition at line 244 of file rv10.c.

Referenced by rv10_decode_packet().

static int rv20_decode_picture_header ( RVDecContext *  rv )

static

Definition at line 303 of file rv10.c.

Referenced by rv10_decode_packet().

static av_cold int rv10_decode_init ( AVCodecContext *  avctx )

static

Definition at line 461 of file rv10.c.

static av_cold int rv10_decode_end ( AVCodecContext *  avctx )

static

Definition at line 539 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 547 of file rv10.c.

Referenced by rv10_decode_frame().

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

static

Definition at line 689 of file rv10.c.

Referenced by rv10_decode_frame().

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

static

Definition at line 697 of file rv10.c.

Variable Documentation

const uint16_t rv_lum_code[256]

static

Definition at line 51 of file rv10.c.

Referenced by rv10_decode_init().

const uint8_t rv_lum_bits[256]

static

Definition at line 86 of file rv10.c.

Referenced by rv10_decode_init().

const uint16_t rv_chrom_code[256]

static

Definition at line 121 of file rv10.c.

Referenced by rv10_decode_init().

const uint8_t rv_chrom_bits[256]

static

Definition at line 156 of file rv10.c.

Referenced by rv10_decode_init().

VLC rv_dc_lum

static

Definition at line 191 of file rv10.c.

VLC rv_dc_chrom

static

Definition at line 191 of file rv10.c.

AVCodec ff_rv10_decoder

Initial value:

= {
    .name           = "rv10",
    .long_name      = NULL_IF_CONFIG_SMALL("RealVideo 1.0"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_RV10,
    .priv_data_size = sizeof(RVDecContext),
    .init           = rv10_decode_init,
    .close          = rv10_decode_end,
    .decode         = rv10_decode_frame,
    .capabilities   = CODEC_CAP_DR1,
    .max_lowres     = 3,
    .pix_fmts       = (const enum AVPixelFormat[]) {
        AV_PIX_FMT_YUV420P,
        AV_PIX_FMT_NONE
    },
}

Definition at line 788 of file rv10.c.

AVCodec ff_rv20_decoder

Initial value:

= {
    .name           = "rv20",
    .long_name      = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_RV20,
    .priv_data_size = sizeof(RVDecContext),
    .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,
    .pix_fmts       = (const enum AVPixelFormat[]) {
        AV_PIX_FMT_YUV420P,
        AV_PIX_FMT_NONE
    },
}

Definition at line 805 of file rv10.c.