RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-03-11 06:58:18 +00:00
Code Issues Projects Releases Wiki Activity

doc/snow: fix typos

Browse Source
This commit is contained in:
Reto Kromer 2019-02-10 13:24:05 +01:00 committed by Carl Eugen Hoyos
parent 885a80d189
commit 21858b060f
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
doc/snow.txt
View File

@ -172,7 +172,7 @@ spatial_decomposition_count
FIXME FIXME
colorspace_type colorspace_type
0 unspecified YcbCr 0 unspecified YCbCr
1 Gray 1 Gray
2 Gray + Alpha 2 Gray + Alpha
3 GBR 3 GBR
@ -235,7 +235,7 @@ spatial_decomposition_type
stored as delta from last, last is reset to 0 if always_reset || keyframe stored as delta from last, last is reset to 0 if always_reset || keyframe
qlog qlog
quality (logarthmic quantizer scale) quality (logarithmic quantizer scale)
stored as delta from last, last is reset to 0 if always_reset || keyframe stored as delta from last, last is reset to 0 if always_reset || keyframe
mv_scale mv_scale
@ -251,11 +251,11 @@ block_max_depth
stored as delta from last, last is reset to 0 if always_reset || keyframe stored as delta from last, last is reset to 0 if always_reset || keyframe
quant_table quant_table
quantiztation table quantization table
Highlevel bitstream structure: Highlevel bitstream structure:
============================= ==============================
-------------------------------------------- --------------------------------------------
| Header | | Header |
-------------------------------------------- --------------------------------------------
@ -303,7 +303,7 @@ Decoding process:
| Intra DC | | | Intra DC | |
| | LL0 subband prediction | | LL0 subband prediction
------------ | ------------ |
\ Dequantizaton \ Dequantization
------------------- \ | ------------------- \ |
| Reference frames | \ IDWT | Reference frames | \ IDWT
| ------- ------- | Motion \ | | ------- ------- | Motion \ |
@ -390,8 +390,8 @@ motion vector prediction
(mvx_diff, mvy_diff)*mv_scale (mvx_diff, mvy_diff)*mv_scale
Intra DC Predicton: Intra DC Prediction:
====================== ====================
the luma and chroma values of the left block are used as predictors the luma and chroma values of the left block are used as predictors
the used luma and chroma is the sum of the predictor and y_diff, cb_diff, cr_diff the used luma and chroma is the sum of the predictor and y_diff, cb_diff, cr_diff
@ -407,7 +407,7 @@ Motion Compensation:
Halfpel interpolation: Halfpel interpolation:
---------------------- ----------------------
halfpel interpolation is done by convolution with the halfpel filter stored Halfpel interpolation is done by convolution with the halfpel filter stored
in the header: in the header:
horizontal halfpel samples are found by horizontal halfpel samples are found by
@ -463,8 +463,8 @@ to the closest available fullpel sample
Smaller pel interpolation: Smaller pel interpolation:
-------------------------- --------------------------
if diag_mc is set then points which lie on a line between 2 vertically, if diag_mc is set then points which lie on a line between 2 vertically,
horiziontally or diagonally adjacent halfpel points shall be interpolated horizontally or diagonally adjacent halfpel points shall be interpolated
linearls with rounding to nearest and halfway values rounded up. linearly with rounding to nearest and halfway values rounded up.
points which lie on 2 diagonals at the same time should only use the one points which lie on 2 diagonals at the same time should only use the one
diagonal not containing the fullpel point diagonal not containing the fullpel point
@ -519,8 +519,8 @@ width,height here are the width and height of the LL0 subband not of the final
video video
Dequantizaton: Dequantization:
============== ===============
FIXME FIXME
Wavelet Transform: Wavelet Transform: