#include <vp8.h>

Data Fields
VP8ThreadData *	thread_data

AVCodecContext *	avctx

enum AVPixelFormat	pix_fmt

int	actually_webp

VP8Frame *	framep [4]

VP8Frame *	next_framep [4]

VP8Frame *	curframe

VP8Frame *	prev_frame

uint16_t	mb_width

uint16_t	mb_height

ptrdiff_t	linesize

ptrdiff_t	uvlinesize

uint8_t	keyframe

uint8_t	deblock_filter

uint8_t	mbskip_enabled

uint8_t	profile

VP8mvbounds	mv_bounds

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

uint8_t update_feature_data

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 {
int yac_qi

int ydc_delta

int y2dc_delta

int y2ac_delta

int uvdc_delta

int uvac_delta

}	quant

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

uint8_t update

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 {
const uint8_t * input

uint32_t range

uint32_t value

int bit_count

}	coder_state_at_header_end

int	header_partition_size

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]

uint8_t scan [16]

}	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]

int	coeff_partition_size [8]

VideoDSPContext	vdsp

VP8DSPContext	vp8dsp

H264PredContext	hpc

vp8_mc_func	put_pixels_tab [3][3][3]

VP8Frame	frames [5]

uint8_t	colorspace
	0 is the only value allowed (meaning bt601) More...

uint8_t	fullrange
	whether we can skip clamping in dsp functions More...

int	num_jobs

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

int(*	decode_mb_row_no_filter )(AVCodecContext avctx, void tdata, int jobnr, int threadnr)

void(*	filter_mb_row )(AVCodecContext avctx, void tdata, int jobnr, int threadnr)

int	vp7

int	fade_present
	Fade bit present in bitstream (VP7) More...

uint16_t	inter_dc_pred [2][2]
	Interframe DC prediction (VP7) [0] VP56_FRAME_PREVIOUS [1] VP56_FRAME_GOLDEN. More...

uint8_t	feature_enabled [4]
	Macroblock features (VP7) More...

uint8_t	feature_present_prob [4]

uint8_t	feature_index_prob [4][3]

uint8_t	feature_value [4][4]

Detailed Description

Definition at line 147 of file vp8.h.

Field Documentation

VP8ThreadData* VP8Context::thread_data

Definition at line 148 of file vp8.h.

Referenced by decode_mb_row_no_filter(), filter_mb_row(), free_buffers(), update_dimensions(), vp78_decode_frame(), and vp78_decode_mb_row_sliced().

AVCodecContext* VP8Context::avctx

Definition at line 149 of file vp8.h.

Referenced by decode_mb_mode(), get_pixel_format(), update_dimensions(), vp78_decode_init(), vp7_decode_frame_header(), vp7_fade_frame(), vp8_alloc_frame(), vp8_decode_frame_header(), vp8_find_free_buffer(), and vp8_release_frame().

enum AVPixelFormat VP8Context::pix_fmt

Definition at line 150 of file vp8.h.

Referenced by update_dimensions(), vp78_decode_frame(), and vp78_decode_init().

int VP8Context::actually_webp

Definition at line 151 of file vp8.h.

Referenced by update_dimensions(), vp78_decode_frame(), and vp8_lossy_decode_frame().

VP8Frame* VP8Context::framep[4]

Definition at line 153 of file vp8.h.

Referenced by inter_predict(), nvdec_vp8_start_frame(), prefetch_motion(), vaapi_vp8_decode_slice(), vaapi_vp8_end_frame(), vaapi_vp8_start_frame(), vp78_decode_frame(), vp7_fade_frame(), vp8_decode_flush_impl(), and vp8_find_free_buffer().

VP8Frame* VP8Context::next_framep[4]

Definition at line 154 of file vp8.h.

Referenced by vp78_decode_frame().

VP8Frame* VP8Context::curframe

Definition at line 155 of file vp8.h.

Referenced by decode_mb_row_no_filter(), filter_mb_row(), vp78_decode_frame(), and vp78_decode_mb_row_sliced().

VP8Frame* VP8Context::prev_frame

Definition at line 156 of file vp8.h.

Referenced by decode_mb_row_no_filter(), and vp78_decode_frame().

uint16_t VP8Context::mb_width

Definition at line 158 of file vp8.h.

Referenced by decode_intra4x4_modes(), decode_mb_row_no_filter(), decode_splitmvs(), filter_mb_row(), inter_predict(), intra_predict(), update_dimensions(), vp78_decode_frame(), vp78_decode_mv_mb_modes(), vp7_decode_frame_header(), vp7_decode_mvs(), vp7_fade_frame(), vp8_alloc_frame(), vp8_decode_frame_header(), and vp8_decode_mvs().

uint16_t VP8Context::mb_height

Definition at line 159 of file vp8.h.

Referenced by decode_mb_row_no_filter(), filter_mb_row(), inter_predict(), update_dimensions(), vp78_decode_frame(), vp78_decode_mb_row_sliced(), vp78_decode_mv_mb_modes(), vp7_decode_frame_header(), vp7_decode_mvs(), vp7_fade_frame(), vp8_alloc_frame(), and vp8_decode_frame_header().

ptrdiff_t VP8Context::linesize

Definition at line 160 of file vp8.h.

Referenced by decode_mb_row_no_filter(), filter_mb(), filter_mb_row(), filter_mb_simple(), idct_mb(), inter_predict(), intra_predict(), prefetch_motion(), vp78_decode_frame(), and vp8_mc_part().

ptrdiff_t VP8Context::uvlinesize

Definition at line 161 of file vp8.h.

Referenced by decode_mb_row_no_filter(), filter_mb(), filter_mb_row(), idct_mb(), inter_predict(), intra_predict(), prefetch_motion(), vp78_decode_frame(), and vp8_mc_part().

uint8_t VP8Context::keyframe

Definition at line 163 of file vp8.h.

Referenced by decode_mb_mode(), filter_mb(), nvdec_vp8_start_frame(), vaapi_vp8_decode_slice(), vaapi_vp8_start_frame(), vp78_decode_frame(), vp7_decode_frame_header(), vp7_fade_frame(), and vp8_decode_frame_header().

uint8_t VP8Context::deblock_filter

Definition at line 164 of file vp8.h.

Referenced by decode_mb_row_no_filter(), intra_predict(), vp78_decode_frame(), and vp78_decode_mb_row_sliced().

uint8_t VP8Context::mbskip_enabled

Definition at line 165 of file vp8.h.

Referenced by decode_mb_mode(), vaapi_vp8_start_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t VP8Context::profile

Definition at line 166 of file vp8.h.

Referenced by inter_predict(), nvdec_vp8_start_frame(), vaapi_vp8_start_frame(), vp7_decode_frame_header(), vp7_decode_mvs(), vp8_decode_frame_header(), and vp8_mc_part().

VP8mvbounds VP8Context::mv_bounds

Definition at line 167 of file vp8.h.

Referenced by vp78_decode_frame(), and vp78_decode_mv_mb_modes().

int8_t VP8Context::sign_bias[4]

one state [0, 1] per ref frame type

Definition at line 169 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), vp7_decode_frame_header(), vp8_decode_frame_header(), and vp8_decode_mvs().

int VP8Context::ref_count[3]

Definition at line 170 of file vp8.h.

Referenced by decode_mb_mode(), prefetch_motion(), and vp78_decode_frame().

uint8_t VP8Context::enabled

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

Definition at line 178 of file vp8.h.

Referenced by decode_mb_mode(), decode_mb_row_no_filter(), filter_level_for_mb(), nvdec_vp8_start_frame(), vaapi_vp8_start_frame(), vp78_decode_frame(), vp7_decode_frame_header(), vp8_decode_frame_header(), and vp8_get_quants().

uint8_t VP8Context::absolute_vals

Definition at line 179 of file vp8.h.

Referenced by filter_level_for_mb(), parse_segment_info(), vaapi_vp8_start_frame(), and vp8_get_quants().

uint8_t VP8Context::update_map

Definition at line 180 of file vp8.h.

Referenced by decode_mb_mode(), decode_mb_row_no_filter(), parse_segment_info(), vaapi_vp8_start_frame(), vp78_decode_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t VP8Context::update_feature_data

Definition at line 181 of file vp8.h.

Referenced by nvdec_vp8_start_frame(), parse_segment_info(), and vaapi_vp8_start_frame().

int8_t VP8Context::base_quant[4]

Definition at line 182 of file vp8.h.

Referenced by parse_segment_info(), vaapi_vp8_start_frame(), and vp8_get_quants().

int8_t VP8Context::filter_level[4]

base loop filter level

Definition at line 183 of file vp8.h.

Referenced by filter_level_for_mb(), parse_segment_info(), and vaapi_vp8_start_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_mb_mode(), decode_mb_row_no_filter(), filter_level_for_mb(), nvdec_vp8_start_frame(), parse_segment_info(), vaapi_vp8_start_frame(), vp78_decode_frame(), vp7_decode_frame_header(), vp8_decode_frame_header(), and vp8_get_quants().

uint8_t VP8Context::simple

Definition at line 187 of file vp8.h.

Referenced by decode_mb_row_no_filter(), filter_mb_row(), intra_predict(), vaapi_vp8_start_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t VP8Context::level

Definition at line 188 of file vp8.h.

Referenced by filter_level_for_mb(), vaapi_vp8_start_frame(), vp78_decode_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t VP8Context::sharpness

Definition at line 189 of file vp8.h.

Referenced by filter_level_for_mb(), vaapi_vp8_start_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

struct { ... } VP8Context::filter

Referenced by decode_mb_row_no_filter(), filter_level_for_mb(), filter_mb_row(), intra_predict(), vaapi_vp8_start_frame(), vp78_decode_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

VP8Macroblock* VP8Context::macroblocks

Definition at line 192 of file vp8.h.

Referenced by decode_mb_row_no_filter(), filter_mb_row(), free_buffers(), update_dimensions(), vp78_decode_frame(), and vp7_decode_mvs().

uint8_t* VP8Context::intra4x4_pred_mode_top

Definition at line 194 of file vp8.h.

Referenced by decode_intra4x4_modes(), decode_mb_mode(), free_buffers(), update_dimensions(), and vp78_decode_frame().

uint8_t VP8Context::intra4x4_pred_mode_left[4]

Definition at line 195 of file vp8.h.

Referenced by decode_intra4x4_modes(), decode_mb_mode(), decode_mb_row_no_filter(), and vp78_decode_mv_mb_modes().

int16_t VP8Context::luma_qmul[2]

Definition at line 204 of file vp8.h.

Referenced by decode_mb_coeffs(), vp7_get_quants(), and vp8_get_quants().

int16_t VP8Context::luma_dc_qmul[2]

luma dc-only block quant

Definition at line 205 of file vp8.h.

Referenced by decode_mb_coeffs(), vp7_get_quants(), and vp8_get_quants().

int16_t VP8Context::chroma_qmul[2]

Definition at line 206 of file vp8.h.

Referenced by decode_mb_coeffs(), vp7_get_quants(), and vp8_get_quants().

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(), vp7_get_quants(), and vp8_get_quants().

int VP8Context::yac_qi

Definition at line 211 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_get_quants().

int VP8Context::ydc_delta

Definition at line 212 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_get_quants().

int VP8Context::y2dc_delta

Definition at line 213 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_get_quants().

int VP8Context::y2ac_delta

Definition at line 214 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_get_quants().

int VP8Context::uvdc_delta

Definition at line 215 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_get_quants().

int VP8Context::uvac_delta

Definition at line 216 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_get_quants().

struct { ... } VP8Context::quant

Referenced by vaapi_vp8_start_frame(), and vp8_get_quants().

uint8_t VP8Context::update

Definition at line 221 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_decode_frame_header().

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 232 of file vp8.h.

Referenced by filter_level_for_mb(), update_lf_deltas(), and vaapi_vp8_start_frame().

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 241 of file vp8.h.

Referenced by filter_level_for_mb(), update_lf_deltas(), and vaapi_vp8_start_frame().

struct { ... } VP8Context::lf_delta

Referenced by filter_level_for_mb(), update_lf_deltas(), vaapi_vp8_start_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t(* VP8Context::top_border)[16+8+8]

Definition at line 244 of file vp8.h.

Referenced by decode_mb_row_no_filter(), filter_mb_row(), free_buffers(), intra_predict(), and update_dimensions().

uint8_t(* VP8Context::top_nnz)[9]

Definition at line 245 of file vp8.h.

Referenced by decode_mb_row_no_filter(), free_buffers(), update_dimensions(), and vp78_decode_frame().

VP56RangeCoder VP8Context::c

header context, includes mb modes and motion vectors

Definition at line 247 of file vp8.h.

Referenced by decode_mb_mode(), parse_segment_info(), ref_to_update(), setup_partitions(), update_lf_deltas(), update_refs(), vp78_update_pred16x16_pred8x8_mvc_probabilities(), vp78_update_probability_tables(), vp7_decode_frame_header(), vp7_decode_mvs(), vp7_get_quants(), vp8_decode_frame_header(), vp8_decode_mvs(), and vp8_get_quants().

const uint8_t* VP8Context::input

Definition at line 255 of file vp8.h.

Referenced by vaapi_vp8_decode_slice(), and vp8_decode_frame_header().

uint32_t VP8Context::range

Definition at line 256 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_decode_frame_header().

uint32_t VP8Context::value

Definition at line 257 of file vp8.h.

Referenced by vaapi_vp8_start_frame(), and vp8_decode_frame_header().

int VP8Context::bit_count

Definition at line 258 of file vp8.h.

Referenced by vaapi_vp8_decode_slice(), vaapi_vp8_start_frame(), and vp8_decode_frame_header().

struct { ... } VP8Context::coder_state_at_header_end

Referenced by vaapi_vp8_decode_slice(), vaapi_vp8_start_frame(), and vp8_decode_frame_header().

int VP8Context::header_partition_size

Definition at line 261 of file vp8.h.

Referenced by nvdec_vp8_start_frame(), vaapi_vp8_decode_slice(), and vp8_decode_frame_header().

uint8_t VP8Context::segmentid[3]

Definition at line 270 of file vp8.h.

Referenced by decode_mb_mode(), parse_segment_info(), and vaapi_vp8_start_frame().

uint8_t VP8Context::mbskip

Definition at line 271 of file vp8.h.

Referenced by decode_mb_mode(), vaapi_vp8_start_frame(), and vp8_decode_frame_header().

uint8_t VP8Context::intra

Definition at line 272 of file vp8.h.

Referenced by decode_mb_mode(), vaapi_vp8_start_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t VP8Context::last

Definition at line 273 of file vp8.h.

Referenced by decode_mb_mode(), vaapi_vp8_start_frame(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t VP8Context::golden

Definition at line 274 of file vp8.h.

Referenced by decode_mb_mode(), vaapi_vp8_start_frame(), and vp8_decode_frame_header().

uint8_t VP8Context::pred16x16[4]

Definition at line 275 of file vp8.h.

Referenced by decode_mb_mode(), vaapi_vp8_start_frame(), vp78_update_pred16x16_pred8x8_mvc_probabilities(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t VP8Context::pred8x8c[3]

Definition at line 276 of file vp8.h.

Referenced by decode_mb_mode(), vaapi_vp8_start_frame(), vp78_update_pred16x16_pred8x8_mvc_probabilities(), vp7_decode_frame_header(), and vp8_decode_frame_header().

uint8_t VP8Context::token[4][16][3][NUM_DCT_TOKENS-1]

Definition at line 277 of file vp8.h.

Referenced by decode_mb_coeffs(), vaapi_vp8_start_frame(), vp78_reset_probability_tables(), and vp78_update_probability_tables().

uint8_t VP8Context::mvc[2][19]

Definition at line 278 of file vp8.h.

Referenced by decode_splitmvs(), vaapi_vp8_start_frame(), vp78_update_pred16x16_pred8x8_mvc_probabilities(), vp7_decode_frame_header(), vp7_decode_mvs(), vp8_decode_frame_header(), and vp8_decode_mvs().

uint8_t VP8Context::scan[16]

Definition at line 279 of file vp8.h.

Referenced by decode_mb_coeffs(), vp78_decode_init(), and vp7_decode_frame_header().

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

These are all of the updatable probabilities for binary decisions.

They are only implicitly 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_mb_coeffs(), decode_mb_mode(), decode_splitmvs(), parse_segment_info(), vaapi_vp8_start_frame(), vp78_decode_frame(), vp78_decode_init(), vp78_reset_probability_tables(), vp78_update_pred16x16_pred8x8_mvc_probabilities(), vp78_update_probability_tables(), vp7_decode_frame_header(), vp7_decode_mvs(), vp8_decode_frame_header(), and vp8_decode_mvs().