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N
ffmpeg-0.6.3
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${ noResults }
5 Commits (14baf4cd92062994931044d919f63587aaaa4cdd)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Christophe Gisquet
|
2fd14dd8eb |
avcodec/simple_idct10: improve precision
omse goes from 0.03060703 (which fails for dct-test) to 0.01663750. This also actually improve the error of decoding the sample generated by fate-vsynth3-dnxhd1080i-10bit using simple_idct10 to FAANI, which goes (when resampled to yuv422p) from: stddev: 0.06 PSNR: 72.28 MAXDIFF: 1 to identical. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
9 years ago |
|
Christophe Gisquet
|
c7e14a279f |
dnxhddec: use dequantization formula from specs
The current one, while correct, does not yield the best possible results. The specificiations suggest another formula, which results in quality gains in the decoded output from fate tests. This justifies changing said formula. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
9 years ago |
Joseph Artsimovich
|
bfe1cd80eb |
dnxhddata: Fix 10-bit DNxHD quant matrices
Convert them to zigzag order, as the rest of them are. When I was adding support for 10-bit DNxHD, I just copy-pasted the missing quant matrices from the spec. Now it turns out the existing matrices in dnxhddata.c were in zigzag order. This resulted in wrong quantization for 10-bit DNxHD. The attached patch fixes the problem by converting 10-bit quant matrices to zigzag order. Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
9 years ago |
Michael Niedermayer
|
cca2772e16 |
avcodec/simple_idct_template: change the idct coefficients so that they match the x86 code
no changes in either standard deviation or PSNR is seen in any of the changed fate cases MSE changes from 0.05012422 to 0.04890000 Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
11 years ago |
Janne Grunau
|
c8148e5c93 |
fate: move vsynth reference files to their own directory
|
12 years ago |
|
Joseph Artsimovich
|
99c4e91dfa |
dnxhd: Fix 10-bit DNxHD quant matrices
Convert them to zigzag order, as the rest of them are. When I was adding support for 10-bit DNxHD, I just copy-pasted the missing quant matrices from the spec. Now it turns out the existing matrices in dnxhddata.c were in zigzag order. This resulted in wrong quantization for 10-bit DNxHD. The attached patch fixes the problem by converting 10-bit quant matrices to zigzag order. Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
13 years ago |
Mans Rullgard
|
7263cd5544 |
fate: convert codec-regression.sh to makefile rules
Signed-off-by: Mans Rullgard <mans@mansr.com> |
13 years ago |