libavcodec/rv40.c File Reference

RV40 decoder. More...

#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "golomb.h"
#include "rv34.h"
#include "rv40vlc2.h"
#include "rv40data.h"

Go to the source code of this file.

Functions
static void	rv40_init_tables ()
	Initialize all tables.
static int	get_dimension (GetBitContext *gb, const int *dim)
	Get stored dimension from bitstream.
static void	rv40_parse_picture_size (GetBitContext *gb, int *w, int *h)
	Get encoded picture size - usually this is called from rv40_parse_slice_header.
static int	rv40_parse_slice_header (RV34DecContext *r, GetBitContext *gb, SliceInfo *si)
static int	rv40_decode_intra_types (RV34DecContext *r, GetBitContext *gb, int8_t *dst)
	Decode 4x4 intra types array.
static int	rv40_decode_mb_info (RV34DecContext *r)
	Decode macroblock information.
static int	rv40_decode_init (AVCodecContext *avctx)
	Initialize decoder.
Variables
static VLC	aic_top_vlc
static VLC	aic_mode1_vlc [AIC_MODE1_NUM]
static VLC	aic_mode2_vlc [AIC_MODE2_NUM]
static VLC	ptype_vlc [NUM_PTYPE_VLCS]
static VLC	btype_vlc [NUM_BTYPE_VLCS]
AVCodec	rv40_decoder

---

Detailed Description

RV40 decoder.

Definition in file rv40.c.

---

Function Documentation

static int get_dimension	(	GetBitContext *	gb,
		const int *	dim
	)			[static]

Get stored dimension from bitstream.

If the width/height is the standard one then it's coded as a 3-bit index. Otherwise it is coded as escaped 8-bit portions.

Definition at line 80 of file rv40.c.

Referenced by rv40_parse_picture_size().

static int rv40_decode_init

(

AVCodecContext *

avctx

)

[static]

Initialize decoder.

Definition at line 253 of file rv40.c.

static int rv40_decode_intra_types	(	RV34DecContext *	r,
		GetBitContext *	gb,
		int8_t *	dst
	)			[static]

Decode 4x4 intra types array.

Definition at line 137 of file rv40.c.

Referenced by rv40_decode_init().

static int rv40_decode_mb_info

(

RV34DecContext *

r

)

[static]

Decode macroblock information.

Definition at line 200 of file rv40.c.

Referenced by rv40_decode_init().

static void rv40_init_tables

(

)

[static]

Initialize all tables.

Definition at line 43 of file rv40.c.

Referenced by rv40_decode_init().

static void rv40_parse_picture_size	(	GetBitContext *	gb,
		int *	w,
		int *	h
	)			[static]

Get encoded picture size - usually this is called from rv40_parse_slice_header.

Definition at line 98 of file rv40.c.

Referenced by rv40_parse_slice_header().

static int rv40_parse_slice_header	(	RV34DecContext *	r,
		GetBitContext *	gb,
		SliceInfo *	si
	)			[static]

???

Definition at line 104 of file rv40.c.

Referenced by rv40_decode_init().

---

Variable Documentation

VLC aic_mode1_vlc[AIC_MODE1_NUM] [static]

Definition at line 37 of file rv40.c.

VLC aic_mode2_vlc[AIC_MODE2_NUM] [static]

Definition at line 37 of file rv40.c.

VLC aic_top_vlc [static]

Definition at line 36 of file rv40.c.

VLC btype_vlc[NUM_BTYPE_VLCS] [static]

Definition at line 38 of file rv40.c.

VLC ptype_vlc[NUM_PTYPE_VLCS] [static]

Definition at line 38 of file rv40.c.

AVCodec rv40_decoder

Initial value:

 {
    "rv40",
    CODEC_TYPE_VIDEO,
    CODEC_ID_RV40,
    sizeof(RV34DecContext),
    rv40_decode_init,
    NULL,
    ff_rv34_decode_end,
    ff_rv34_decode_frame,
    CODEC_CAP_DR1 | CODEC_CAP_DELAY,
}

Definition at line 269 of file rv40.c.