FFmpeg  1.2.12
Data Fields
DecimateContext Struct Reference

Data Fields

const AVClassclass
int lo
int hi
 lower and higher threshold number of differences values for 8x8 blocks
float frac
 threshold of changed pixels over the total fraction
int max_drop_count
 if positive: maximum number of sequential frames to drop if negative: minimum number of frames between two drops
int drop_count
 if positive: number of frames sequentially dropped if negative: number of sequential frames which were not dropped
int hsub
int vsub
 chroma subsampling values
AVFilterBufferRefref
 reference picture
DSPContext dspctx
 context providing optimized diff routines
AVCodecContextavctx
 codec context required for the DSPContext

Detailed Description

Definition at line 36 of file vf_decimate.c.

Field Documentation

AVCodecContext* DecimateContext::avctx

codec context required for the DSPContext

Definition at line 52 of file vf_decimate.c.

Referenced by init(), and uninit().

const AVClass* DecimateContext::class

Definition at line 37 of file vf_decimate.c.

Referenced by init().

int DecimateContext::drop_count

if positive: number of frames sequentially dropped if negative: number of sequential frames which were not dropped

Definition at line 46 of file vf_decimate.c.

Referenced by decimate_frame(), filter_frame(), and request_frame().

DSPContext DecimateContext::dspctx

context providing optimized diff routines

Definition at line 51 of file vf_decimate.c.

Referenced by diff_planes(), and init().

float DecimateContext::frac

threshold of changed pixels over the total fraction

Definition at line 41 of file vf_decimate.c.

Referenced by diff_planes(), and init().

int DecimateContext::hi

lower and higher threshold number of differences values for 8x8 blocks

Definition at line 38 of file vf_decimate.c.

Referenced by diff_planes(), and init().

int DecimateContext::hsub

Definition at line 49 of file vf_decimate.c.

Referenced by config_input(), and decimate_frame().

int DecimateContext::lo

Definition at line 38 of file vf_decimate.c.

Referenced by diff_planes(), and init().

int DecimateContext::max_drop_count

if positive: maximum number of sequential frames to drop if negative: minimum number of frames between two drops

Definition at line 43 of file vf_decimate.c.

Referenced by decimate_frame(), and init().

AVFilterBufferRef* DecimateContext::ref

reference picture

Definition at line 50 of file vf_decimate.c.

Referenced by filter_frame(), and uninit().

int DecimateContext::vsub

chroma subsampling values

Definition at line 49 of file vf_decimate.c.

Referenced by config_input(), and decimate_frame().


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