|
|
@@ -172,7 +172,7 @@ spatial_decomposition_count
|
|
|
FIXME
|
|
|
|
|
|
colorspace_type
|
|
|
- 0 unspecified YcbCr
|
|
|
+ 0 unspecified YCbCr
|
|
|
1 Gray
|
|
|
2 Gray + Alpha
|
|
|
3 GBR
|
|
|
@@ -235,7 +235,7 @@ spatial_decomposition_type
|
|
|
stored as delta from last, last is reset to 0 if always_reset || keyframe
|
|
|
|
|
|
qlog
|
|
|
- quality (logarthmic quantizer scale)
|
|
|
+ quality (logarithmic quantizer scale)
|
|
|
stored as delta from last, last is reset to 0 if always_reset || keyframe
|
|
|
|
|
|
mv_scale
|
|
|
@@ -251,11 +251,11 @@ block_max_depth
|
|
|
stored as delta from last, last is reset to 0 if always_reset || keyframe
|
|
|
|
|
|
quant_table
|
|
|
- quantiztation table
|
|
|
+ quantization table
|
|
|
|
|
|
|
|
|
Highlevel bitstream structure:
|
|
|
-=============================
|
|
|
+==============================
|
|
|
--------------------------------------------
|
|
|
| Header |
|
|
|
--------------------------------------------
|
|
|
@@ -303,7 +303,7 @@ Decoding process:
|
|
|
| Intra DC | |
|
|
|
| | LL0 subband prediction
|
|
|
------------ |
|
|
|
- \ Dequantizaton
|
|
|
+ \ Dequantization
|
|
|
------------------- \ |
|
|
|
| Reference frames | \ IDWT
|
|
|
| ------- ------- | Motion \ |
|
|
|
@@ -390,8 +390,8 @@ motion vector prediction
|
|
|
(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 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 is done by convolution with the halfpel filter stored
|
|
|
+Halfpel interpolation is done by convolution with the halfpel filter stored
|
|
|
in the header:
|
|
|
|
|
|
horizontal halfpel samples are found by
|
|
|
@@ -463,8 +463,8 @@ to the closest available fullpel sample
|
|
|
Smaller pel interpolation:
|
|
|
--------------------------
|
|
|
if diag_mc is set then points which lie on a line between 2 vertically,
|
|
|
-horiziontally or diagonally adjacent halfpel points shall be interpolated
|
|
|
-linearls with rounding to nearest and halfway values rounded up.
|
|
|
+horizontally or diagonally adjacent halfpel points shall be interpolated
|
|
|
+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
|
|
|
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
|
|
|
|
|
|
|
|
|
-Dequantizaton:
|
|
|
-==============
|
|
|
+Dequantization:
|
|
|
+===============
|
|
|
FIXME
|
|
|
|
|
|
Wavelet Transform:
|
Reto Kromer