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remove some TODOs

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* regarding alpha_data_ used for testing.
   alpha_data_!=NULL is as close a good test as we'll get.
* regarding filter-strength / sharpness forcing
   no practical use (can be done during encode cycles,
   for experimentation)
* regarding a 'less-complex' filtering:
   no practical use so far. Next version!

Change-Id: If2dfff5818552a7d3e7c23ac08d64fe6d270229c
This commit is contained in:
Pascal Massimino 2017-12-27 17:29:31 +01:00
parent c2d04f3eb2
commit aec45cec33
1 changed files with 1 additions and 5 deletions
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6
src/dec/frame_dec.c
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@ -448,10 +448,9 @@ static int FinishRow(VP8Decoder* const dec, VP8Io* const io) {
if (y_end > io->crop_bottom) {
y_end = io->crop_bottom; // make sure we don't overflow on last row.
}
// If dec->alpha_data_ is not NULL, we have some alpha plane present.
io->a = NULL;
if (dec->alpha_data_ != NULL && y_start < y_end) {
// TODO(skal): testing presence of alpha with dec->alpha_data_ is not a
// good idea.
io->a = VP8DecompressAlphaRows(dec, io, y_start, y_end - y_start);
if (io->a == NULL) {
return VP8SetError(dec, VP8_STATUS_BITSTREAM_ERROR,
@ -558,7 +557,6 @@ VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io) {
if (io->bypass_filtering) {
dec->filter_type_ = 0;
}
// TODO(skal): filter type / strength / sharpness forcing
// Define the area where we can skip in-loop filtering, in case of cropping.
//
@ -569,8 +567,6 @@ VP8StatusCode VP8EnterCritical(VP8Decoder* const dec, VP8Io* const io) {
// Means: there's a dependency chain that goes all the way up to the
// top-left corner of the picture (MB #0). We must filter all the previous
// macroblocks.
// TODO(skal): add an 'approximate_decoding' option, that won't produce
// a 1:1 bit-exactness for complex filtering?
{
const int extra_pixels = kFilterExtraRows[dec->filter_type_];
if (dec->filter_type_ == 2) {