#include <vp8.h>

Collaboration diagram for VP8Context:

Data Fields
VP8ThreadData *	thread_data

AVCodecContext *	avctx

VP8Frame *	framep [4]

VP8Frame *	next_framep [4]

VP8Frame *	curframe

VP8Frame *	prev_frame

uint16_t	mb_width

uint16_t	mb_height

int	linesize

int	uvlinesize

uint8_t	keyframe

uint8_t	deblock_filter

uint8_t	mbskip_enabled

uint8_t	profile

VP56mv	mv_min

VP56mv	mv_max

int8_t	sign_bias [4]
	one state [0, 1] per ref frame type More...

int	ref_count [3]

struct {
uint8_t enabled

uint8_t absolute_vals

uint8_t update_map

int8_t base_quant [4]

int8_t filter_level [4]
	base loop filter level More...

}	segmentation
	Base parameters for segmentation, i.e. More...

struct {
uint8_t simple

uint8_t level

uint8_t sharpness

}	filter

VP8Macroblock *	macroblocks

uint8_t *	intra4x4_pred_mode_top

uint8_t	intra4x4_pred_mode_left [4]

struct {
int16_t luma_qmul [2]

int16_t luma_dc_qmul [2]
	luma dc-only block quant More...

int16_t chroma_qmul [2]

}	qmat [4]
	Macroblocks can have one of 4 different quants in a frame when segmentation is enabled. More...

struct {
uint8_t enabled
	whether each mb can have a different strength based on mode/ref More...

int8_t mode [VP8_MVMODE_SPLIT+1]
	filter strength adjustment for the following macroblock modes: [0-3] - i16x16 (always zero) [4] - i4x4 [5] - zero mv [6] - inter modes except for zero or split mv [7] - split mv i16x16 modes never have any adjustment More...

int8_t ref [4]
	filter strength adjustment for macroblocks that reference: [0] - intra / VP56_FRAME_CURRENT [1] - VP56_FRAME_PREVIOUS [2] - VP56_FRAME_GOLDEN [3] - altref / VP56_FRAME_GOLDEN2 More...

}	lf_delta

uint8_t(*	top_border )[16+8+8]

uint8_t(*	top_nnz )[9]

VP56RangeCoder	c
	header context, includes mb modes and motion vectors More...

struct {
uint8_t segmentid [3]

uint8_t mbskip

uint8_t intra

uint8_t last

uint8_t golden

uint8_t pred16x16 [4]

uint8_t pred8x8c [3]

uint8_t token [4][16][3][NUM_DCT_TOKENS-1]

uint8_t mvc [2][19]

}	prob [2]
	These are all of the updatable probabilities for binary decisions. More...

VP8Macroblock *	macroblocks_base

int	invisible

int	update_last
	update VP56_FRAME_PREVIOUS with the current one More...

int	update_golden
	VP56_FRAME_NONE if not updated, or which frame to copy if so. More...

int	update_altref

int	update_probabilities
	If this flag is not set, all the probability updates are discarded after this frame is decoded. More...

int	num_coeff_partitions
	All coefficients are contained in separate arith coding contexts. More...

VP56RangeCoder	coeff_partition [8]

VideoDSPContext	vdsp

VP8DSPContext	vp8dsp

H264PredContext	hpc

vp8_mc_func	put_pixels_tab [3][3][3]

VP8Frame	frames [5]

int	num_jobs

int	mb_layout
	This describes the macroblock memory layout. More...

Detailed Description

Definition at line 136 of file vp8.h.

Field Documentation

uint8_t VP8Context::absolute_vals

Definition at line 166 of file vp8.h.

Referenced by filter_level_for_mb(), get_quants(), and parse_segment_info().

AVCodecContext* VP8Context::avctx

Definition at line 138 of file vp8.h.

Referenced by decode_frame_header(), intra_predict(), update_dimensions(), vp8_alloc_frame(), vp8_decode_init(), vp8_decode_init_thread_copy(), and vp8_release_frame().

int8_t VP8Context::base_quant[4]

Definition at line 168 of file vp8.h.

Referenced by get_quants(), and parse_segment_info().

VP56RangeCoder VP8Context::c

header context, includes mb modes and motion vectors

Definition at line 222 of file vp8.h.

Referenced by decode_frame_header(), decode_mb_mode(), decode_mvs(), get_quants(), parse_segment_info(), ref_to_update(), setup_partitions(), update_lf_deltas(), and update_refs().

int16_t VP8Context::chroma_qmul[2]

Definition at line 192 of file vp8.h.

Referenced by decode_mb_coeffs(), and get_quants().

VP56RangeCoder VP8Context::coeff_partition[8]

Definition at line 259 of file vp8.h.

Referenced by setup_partitions(), and vp8_decode_mb_row_no_filter().

VP8Frame* VP8Context::curframe

Definition at line 141 of file vp8.h.

Referenced by vp8_decode_frame(), vp8_decode_mb_row_no_filter(), vp8_decode_mb_row_sliced(), and vp8_filter_mb_row().

uint8_t VP8Context::deblock_filter

Definition at line 150 of file vp8.h.

Referenced by intra_predict(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), and vp8_decode_mb_row_sliced().

uint8_t VP8Context::enabled

whether each mb can have a different strength based on mode/ref

Definition at line 165 of file vp8.h.

Referenced by decode_frame_header(), decode_mb_mode(), filter_level_for_mb(), get_quants(), and vp8_decode_frame().

struct { ... } VP8Context::filter

Referenced by decode_frame_header(), filter_level_for_mb(), intra_predict(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), and vp8_filter_mb_row().

int8_t VP8Context::filter_level[4]

base loop filter level

Definition at line 169 of file vp8.h.

Referenced by filter_level_for_mb(), and parse_segment_info().

VP8Frame* VP8Context::framep[4]

Definition at line 139 of file vp8.h.

Referenced by inter_predict(), prefetch_motion(), vp8_decode_flush_impl(), vp8_decode_frame(), and vp8_decode_update_thread_context().

VP8Frame VP8Context::frames[5]

Definition at line 264 of file vp8.h.

Referenced by vp8_decode_flush_impl(), vp8_decode_frame(), vp8_decode_free(), vp8_decode_update_thread_context(), and vp8_init_frames().

uint8_t VP8Context::golden

Definition at line 235 of file vp8.h.

Referenced by decode_frame_header(), and decode_mb_mode().

H264PredContext VP8Context::hpc

Definition at line 262 of file vp8.h.

Referenced by intra_predict(), and vp8_decode_init().

uint8_t VP8Context::intra

Definition at line 233 of file vp8.h.

Referenced by decode_frame_header(), and decode_mb_mode().

uint8_t VP8Context::intra4x4_pred_mode_left[4]

Definition at line 181 of file vp8.h.

Referenced by decode_intra4x4_modes(), decode_mb_mode(), vp8_decode_mb_row_no_filter(), and vp8_decode_mv_mb_modes().

uint8_t* VP8Context::intra4x4_pred_mode_top

Definition at line 180 of file vp8.h.

Referenced by decode_intra4x4_modes(), decode_mb_mode(), free_buffers(), update_dimensions(), and vp8_decode_frame().

int VP8Context::invisible

Definition at line 243 of file vp8.h.

Referenced by decode_frame_header(), and vp8_decode_frame().

uint8_t VP8Context::keyframe

Definition at line 149 of file vp8.h.

Referenced by decode_frame_header(), decode_mb_mode(), filter_mb(), and vp8_decode_frame().

uint8_t VP8Context::last

Definition at line 234 of file vp8.h.

Referenced by decode_frame_header(), and decode_mb_mode().

uint8_t VP8Context::level

Definition at line 174 of file vp8.h.

Referenced by decode_frame_header(), filter_level_for_mb(), and vp8_decode_frame().

struct { ... } VP8Context::lf_delta

Referenced by decode_frame_header(), filter_level_for_mb(), update_lf_deltas(), and vp8_decode_update_thread_context().

int VP8Context::linesize

Definition at line 146 of file vp8.h.

Referenced by filter_mb(), filter_mb_simple(), idct_mb(), inter_predict(), intra_predict(), prefetch_motion(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), vp8_filter_mb_row(), and vp8_mc_part().

int16_t VP8Context::luma_dc_qmul[2]

luma dc-only block quant

Definition at line 191 of file vp8.h.

Referenced by decode_mb_coeffs(), and get_quants().

int16_t VP8Context::luma_qmul[2]

Definition at line 190 of file vp8.h.

Referenced by decode_mb_coeffs(), and get_quants().

VP8Macroblock* VP8Context::macroblocks

Definition at line 178 of file vp8.h.

Referenced by free_buffers(), update_dimensions(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), and vp8_filter_mb_row().

VP8Macroblock* VP8Context::macroblocks_base

Definition at line 242 of file vp8.h.

Referenced by decode_frame_header(), free_buffers(), update_dimensions(), vp8_decode_mb_row_no_filter(), vp8_decode_mv_mb_modes(), vp8_decode_update_thread_context(), and vp8_filter_mb_row().

uint16_t VP8Context::mb_height

Definition at line 145 of file vp8.h.

Referenced by decode_frame_header(), inter_predict(), update_dimensions(), vp8_alloc_frame(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), vp8_decode_mb_row_sliced(), vp8_decode_mv_mb_modes(), vp8_decode_update_thread_context(), and vp8_filter_mb_row().

int VP8Context::mb_layout

This describes the macroblock memory layout.

0 -> Only width+height*2+1 macroblocks allocated (frame/single thread). 1 -> Macroblocks for entire frame alloced (sliced thread).

Definition at line 272 of file vp8.h.

Referenced by decode_mb_mode(), update_dimensions(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), and vp8_filter_mb_row().

uint16_t VP8Context::mb_width

Definition at line 144 of file vp8.h.

Referenced by decode_frame_header(), decode_intra4x4_modes(), decode_mvs(), decode_splitmvs(), inter_predict(), intra_predict(), update_dimensions(), vp8_alloc_frame(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), vp8_decode_mv_mb_modes(), vp8_decode_update_thread_context(), and vp8_filter_mb_row().

uint8_t VP8Context::mbskip

Definition at line 232 of file vp8.h.

Referenced by decode_frame_header(), and decode_mb_mode().

uint8_t VP8Context::mbskip_enabled

Definition at line 151 of file vp8.h.

Referenced by decode_frame_header(), and decode_mb_mode().

int8_t VP8Context::mode[VP8_MVMODE_SPLIT+1]

filter strength adjustment for the following macroblock modes: [0-3] - i16x16 (always zero) [4] - i4x4 [5] - zero mv [6] - inter modes except for zero or split mv [7] - split mv i16x16 modes never have any adjustment

Definition at line 207 of file vp8.h.

Referenced by filter_level_for_mb(), and update_lf_deltas().

VP56mv VP8Context::mv_max

Definition at line 154 of file vp8.h.

Referenced by clamp_mv(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), vp8_decode_mb_row_sliced(), and vp8_decode_mv_mb_modes().

VP56mv VP8Context::mv_min

Definition at line 153 of file vp8.h.

Referenced by clamp_mv(), vp8_decode_frame(), vp8_decode_mb_row_no_filter(), vp8_decode_mb_row_sliced(), and vp8_decode_mv_mb_modes().

uint8_t VP8Context::mvc[2][19]

Definition at line 239 of file vp8.h.

Referenced by decode_frame_header(), decode_mvs(), and decode_splitmvs().

VP8Frame* VP8Context::next_framep[4]

Definition at line 140 of file vp8.h.

Referenced by vp8_decode_frame().

int VP8Context::num_coeff_partitions

All coefficients are contained in separate arith coding contexts.

There can be 1, 2, 4, or 8 of these after the header context.

Definition at line 258 of file vp8.h.

Referenced by setup_partitions(), update_dimensions(), vp8_decode_frame(), and vp8_decode_mb_row_no_filter().

int VP8Context::num_jobs

Definition at line 266 of file vp8.h.

Referenced by vp8_decode_frame(), vp8_decode_mb_row_no_filter(), vp8_decode_mb_row_sliced(), and vp8_filter_mb_row().

uint8_t VP8Context::pred16x16[4]

Definition at line 236 of file vp8.h.

Referenced by decode_frame_header(), and decode_mb_mode().

uint8_t VP8Context::pred8x8c[3]

Definition at line 237 of file vp8.h.

Referenced by decode_frame_header(), and decode_mb_mode().

VP8Frame* VP8Context::prev_frame

Definition at line 142 of file vp8.h.

Referenced by vp8_decode_frame(), and vp8_decode_mb_row_no_filter().

struct { ... } VP8Context::prob[2]

These are all of the updatable probabilities for binary decisions.

They are only implictly reset on keyframes, making it quite likely for an interframe to desync if a prior frame's header was corrupt or missing outright!

Referenced by decode_frame_header(), decode_mb_coeffs(), decode_mb_mode(), decode_mvs(), decode_splitmvs(), parse_segment_info(), vp8_decode_frame(), and vp8_decode_update_thread_context().

uint8_t VP8Context::profile

Definition at line 152 of file vp8.h.

Referenced by decode_frame_header(), inter_predict(), and vp8_mc_part().

vp8_mc_func VP8Context::put_pixels_tab[3][3][3]

Definition at line 263 of file vp8.h.

Referenced by decode_frame_header(), inter_predict(), and vp8_mc_part().

struct { ... } VP8Context::qmat[4]

Macroblocks can have one of 4 different quants in a frame when segmentation is enabled.

If segmentation is disabled, only the first segment's values are used.

Referenced by decode_mb_coeffs(), and get_quants().

int8_t VP8Context::ref[4]

filter strength adjustment for macroblocks that reference: [0] - intra / VP56_FRAME_CURRENT [1] - VP56_FRAME_PREVIOUS [2] - VP56_FRAME_GOLDEN [3] - altref / VP56_FRAME_GOLDEN2

Definition at line 216 of file vp8.h.

Referenced by filter_level_for_mb(), and update_lf_deltas().

int VP8Context::ref_count[3]

Definition at line 157 of file vp8.h.

Referenced by decode_mb_mode(), prefetch_motion(), and vp8_decode_frame().

struct { ... } VP8Context::segmentation

Base parameters for segmentation, i.e.

per-macroblock parameters. These must be kept unchanged even if segmentation is not used for a frame, since the values persist between interframes.

Referenced by decode_frame_header(), decode_mb_mode(), filter_level_for_mb(), get_quants(), parse_segment_info(), vp8_decode_frame(), and vp8_decode_update_thread_context().