FFmpeg: IVI45DecContext Struct Reference

FFmpeg 4.0

#include <libavcodec/ivi.h>

Data Fields
GetBitContext	gb

RVMapDesc	rvmap_tabs [9]
	local corrected copy of the static rvmap tables More...

uint32_t	frame_num

int	frame_type

int	prev_frame_type
	frame type of the previous frame More...

uint32_t	data_size
	size of the frame data in bytes from picture header More...

int	is_scalable

const uint8_t *	frame_data
	input frame data pointer More...

int	inter_scal
	signals a sequence of scalable inter frames More...

uint32_t	frame_size
	frame size in bytes More...

uint32_t	pic_hdr_size
	picture header size in bytes More...

uint8_t	frame_flags

uint16_t	checksum
	frame checksum More...

IVIPicConfig	pic_conf

IVIPlaneDesc	planes [3]
	color planes More...

int	buf_switch
	used to switch between three buffers More...

int	dst_buf
	buffer index for the currently decoded frame More...

int	ref_buf
	inter frame reference buffer index More...

int	ref2_buf
	temporal storage for switching buffers More...

int	b_ref_buf
	second reference frame buffer index More...

IVIHuffTab	mb_vlc
	current macroblock table descriptor More...

IVIHuffTab	blk_vlc
	current block table descriptor More...

uint8_t	rvmap_sel

uint8_t	in_imf

uint8_t	in_q
	flag for explicitly stored quantiser delta More...

uint8_t	pic_glob_quant

uint8_t	unknown1

uint16_t	gop_hdr_size

uint8_t	gop_flags

uint32_t	lock_word

int	show_indeo4_info

uint8_t	has_b_frames

uint8_t	has_transp
	transparency mode status: 1 - enabled More...

uint8_t	uses_tiling

uint8_t	uses_haar

uint8_t	uses_fullpel

int(*	decode_pic_hdr )(struct IVI45DecContext ctx, AVCodecContext avctx)

int(*	decode_band_hdr )(struct IVI45DecContext ctx, IVIBandDesc band, AVCodecContext *avctx)

int(*	decode_mb_info )(struct IVI45DecContext ctx, IVIBandDesc band, IVITile tile, AVCodecContext avctx)

void(*	switch_buffers )(struct IVI45DecContext *ctx)

int(*	is_nonnull_frame )(struct IVI45DecContext *ctx)

int	gop_invalid

int	buf_invalid [4]

int	is_indeo4

AVFrame *	p_frame

int	got_p_frame

Detailed Description

Definition at line 213 of file ivi.h.

Field Documentation

◆ gb

GetBitContext IVI45DecContext::gb

Definition at line 214 of file ivi.h.

Referenced by decode_band(), decode_band_hdr(), decode_gop_header(), decode_mb_info(), decode_pic_hdr(), ff_ivi_decode_frame(), and ivi_scale_mv().

◆ rvmap_tabs

RVMapDesc IVI45DecContext::rvmap_tabs[9]

local corrected copy of the static rvmap tables

Definition at line 215 of file ivi.h.

Referenced by decode_band(), and decode_init().

◆ frame_num

uint32_t IVI45DecContext::frame_num

Definition at line 217 of file ivi.h.

Referenced by decode_pic_hdr().

◆ frame_type

int IVI45DecContext::frame_type

Definition at line 218 of file ivi.h.

Referenced by decode_band(), decode_band_hdr(), decode_mb_info(), decode_pic_hdr(), ff_ivi_decode_frame(), is_nonnull_frame(), and switch_buffers().

◆ prev_frame_type

int IVI45DecContext::prev_frame_type

frame type of the previous frame

Definition at line 219 of file ivi.h.

Referenced by decode_pic_hdr(), and switch_buffers().

◆ data_size

uint32_t IVI45DecContext::data_size

size of the frame data in bytes from picture header

Definition at line 220 of file ivi.h.

Referenced by decode_pic_hdr().

◆ is_scalable

int IVI45DecContext::is_scalable

Definition at line 221 of file ivi.h.

Referenced by decode_gop_header(), decode_pic_hdr(), and ff_ivi_decode_frame().

◆ frame_data

const uint8_t* IVI45DecContext::frame_data

input frame data pointer

Definition at line 222 of file ivi.h.

Referenced by decode_band(), and ff_ivi_decode_frame().

◆ inter_scal

int IVI45DecContext::inter_scal

signals a sequence of scalable inter frames

Definition at line 223 of file ivi.h.

Referenced by decode_init(), and switch_buffers().

◆ frame_size

uint32_t IVI45DecContext::frame_size

frame size in bytes

Definition at line 224 of file ivi.h.

Referenced by ff_ivi_decode_frame().

◆ pic_hdr_size

uint32_t IVI45DecContext::pic_hdr_size

picture header size in bytes

Definition at line 225 of file ivi.h.

Referenced by decode_pic_hdr().

◆ frame_flags

uint8_t IVI45DecContext::frame_flags

Definition at line 226 of file ivi.h.

Referenced by decode_band_hdr(), decode_mb_info(), and decode_pic_hdr().

◆ checksum

uint16_t IVI45DecContext::checksum

frame checksum

Definition at line 227 of file ivi.h.

Referenced by decode_pic_hdr().

◆ pic_conf

IVIPicConfig IVI45DecContext::pic_conf

Definition at line 229 of file ivi.h.

Referenced by decode_gop_header(), decode_init(), and decode_pic_hdr().

◆ planes

IVIPlaneDesc IVI45DecContext::planes[3]

color planes

Definition at line 230 of file ivi.h.

Referenced by decode_band(), decode_gop_header(), decode_init(), decode_mb_info(), decode_pic_hdr(), ff_ivi_decode_close(), and ff_ivi_decode_frame().

◆ buf_switch

int IVI45DecContext::buf_switch

used to switch between three buffers

Definition at line 232 of file ivi.h.

Referenced by decode_init(), and switch_buffers().

◆ dst_buf

int IVI45DecContext::dst_buf

buffer index for the currently decoded frame

Definition at line 233 of file ivi.h.

Referenced by decode_band(), decode_init(), ff_ivi_decode_frame(), and switch_buffers().

◆ ref_buf

int IVI45DecContext::ref_buf

inter frame reference buffer index

Definition at line 234 of file ivi.h.

Referenced by decode_band(), decode_init(), and switch_buffers().

◆ ref2_buf

int IVI45DecContext::ref2_buf

temporal storage for switching buffers

Definition at line 235 of file ivi.h.

Referenced by switch_buffers().

◆ b_ref_buf

int IVI45DecContext::b_ref_buf

second reference frame buffer index

Definition at line 236 of file ivi.h.

Referenced by decode_band(), decode_init(), and switch_buffers().

◆ mb_vlc

IVIHuffTab IVI45DecContext::mb_vlc

current macroblock table descriptor

Definition at line 238 of file ivi.h.

Referenced by decode_mb_info(), decode_pic_hdr(), and ff_ivi_decode_close().

◆ blk_vlc

IVIHuffTab IVI45DecContext::blk_vlc

current block table descriptor

Definition at line 239 of file ivi.h.

Referenced by decode_band_hdr(), decode_pic_hdr(), and ff_ivi_decode_close().

◆ rvmap_sel

uint8_t IVI45DecContext::rvmap_sel

Definition at line 241 of file ivi.h.

Referenced by decode_pic_hdr().

◆ in_imf

uint8_t IVI45DecContext::in_imf

Definition at line 242 of file ivi.h.

Referenced by decode_pic_hdr().

◆ in_q

uint8_t IVI45DecContext::in_q

flag for explicitly stored quantiser delta

Definition at line 243 of file ivi.h.

Referenced by decode_mb_info(), and decode_pic_hdr().

◆ pic_glob_quant

uint8_t IVI45DecContext::pic_glob_quant

Definition at line 244 of file ivi.h.

Referenced by decode_pic_hdr().

◆ unknown1

uint8_t IVI45DecContext::unknown1

Definition at line 245 of file ivi.h.

Referenced by decode_pic_hdr().

◆ gop_hdr_size

uint16_t IVI45DecContext::gop_hdr_size

Definition at line 247 of file ivi.h.

Referenced by decode_gop_header().

◆ gop_flags

uint8_t IVI45DecContext::gop_flags

Definition at line 248 of file ivi.h.

Referenced by decode_gop_header(), and ff_ivi_decode_frame().

◆ lock_word

uint32_t IVI45DecContext::lock_word

Definition at line 249 of file ivi.h.

Referenced by decode_gop_header().

◆ show_indeo4_info

int IVI45DecContext::show_indeo4_info

Definition at line 251 of file ivi.h.

Referenced by decode_init(), and ff_ivi_decode_frame().

◆ has_b_frames

uint8_t IVI45DecContext::has_b_frames

Definition at line 252 of file ivi.h.

Referenced by decode_pic_hdr(), and ff_ivi_decode_frame().

◆ has_transp

uint8_t IVI45DecContext::has_transp

transparency mode status: 1 - enabled

Definition at line 253 of file ivi.h.

Referenced by decode_pic_hdr(), and ff_ivi_decode_frame().

◆ uses_tiling

uint8_t IVI45DecContext::uses_tiling

Definition at line 254 of file ivi.h.

Referenced by decode_pic_hdr(), and ff_ivi_decode_frame().

◆ uses_haar

uint8_t IVI45DecContext::uses_haar

Definition at line 255 of file ivi.h.

Referenced by decode_band_hdr(), and ff_ivi_decode_frame().

◆ uses_fullpel

uint8_t IVI45DecContext::uses_fullpel

Definition at line 256 of file ivi.h.

Referenced by decode_band_hdr(), and ff_ivi_decode_frame().

◆ decode_pic_hdr

int(* IVI45DecContext::decode_pic_hdr) (struct IVI45DecContext *ctx, AVCodecContext *avctx)

Definition at line 258 of file ivi.h.

Referenced by decode_init(), and ff_ivi_decode_frame().

◆ decode_band_hdr

int(* IVI45DecContext::decode_band_hdr) (struct IVI45DecContext *ctx, IVIBandDesc *band, AVCodecContext *avctx)

Definition at line 259 of file ivi.h.

Referenced by decode_band(), and decode_init().

◆ decode_mb_info

int(* IVI45DecContext::decode_mb_info) (struct IVI45DecContext *ctx, IVIBandDesc *band, IVITile *tile, AVCodecContext *avctx)

Definition at line 260 of file ivi.h.

Referenced by decode_band(), and decode_init().

◆ switch_buffers

void(* IVI45DecContext::switch_buffers) (struct IVI45DecContext *ctx)

Definition at line 261 of file ivi.h.

Referenced by decode_init(), and ff_ivi_decode_frame().

◆ is_nonnull_frame

int(* IVI45DecContext::is_nonnull_frame) (struct IVI45DecContext *ctx)

Definition at line 262 of file ivi.h.

Referenced by decode_init(), and ff_ivi_decode_frame().

◆ gop_invalid

int IVI45DecContext::gop_invalid

Definition at line 264 of file ivi.h.

Referenced by decode_gop_header(), decode_pic_hdr(), and ff_ivi_decode_frame().

◆ buf_invalid

int IVI45DecContext::buf_invalid[4]

Definition at line 265 of file ivi.h.

Referenced by ff_ivi_decode_frame().

◆ is_indeo4

int IVI45DecContext::is_indeo4

Definition at line 267 of file ivi.h.

Referenced by decode_band(), decode_init(), ff_ivi_decode_frame(), and ivi_scale_mv().

◆ p_frame

AVFrame* IVI45DecContext::p_frame

Definition at line 269 of file ivi.h.

Referenced by decode_init(), ff_ivi_decode_close(), and ff_ivi_decode_frame().

◆ got_p_frame

int IVI45DecContext::got_p_frame

Definition at line 270 of file ivi.h.

Referenced by ff_ivi_decode_frame().

The documentation for this struct was generated from the following file:

libavcodec/ivi.h