eac3to v3.24 Bugs & Improvements

[tebasuna51]

In this first post I want put a summary of Bugs & Improvements.
Next post can have most extensive descriptions.
Feel free to add comments or other Bugs & Improvements, after discussion I can add to the summary.

Downmix bugs

- When source is 6.1 the -down6 don't work fine. [OK in 3.25]
Workaround: eac3to input6.1 output5.1 -0,1,2,3,5,6,4 -down6

Downmix improvements

- Use not normalized matrix to downmix and let the second pass do the normalize if necessary. [OK in 3.25]

- Accept other channel configuration than 5.1 to -down2 [OK in 3.26]

- Add a new parameter for simple stereo downmix. [OK in 3.25]

Decoder bugs

- Nero AC3 decoder fail sometimes, let libav default for AC3. Sample [OK in 3.25, improved libav in 3.26]

- TrueHD decoder problems. [OK in 3.25]

- AC3 3.0 decode with FR and FC changed (nero and libav) [OK in 3.25]
Workaround: eac3to 3.0chan.ac3 output.wav -0,2,1

- DTS-ES 6.1 -> WAV 5.1 (libav) finish with channel mask of 0x70f (6.1) instead of the expected 0x60f (5.1) [OK in 3.25]

Decoder improvemets

- Actualize libav decoder (maybe solve the TrueHD problems). [OK in 3.25, improved libav in 3.26]

- Maybe add AAC decoder to libav.

Encoder bugs

- NeroAacEnc fail sometimes when piped directly by eac3to, work always when use the OS pipe.
Workaround: eac3to input stdout.wav | NeroAacEnc -q 0.5 -ignorelength -if - -of output.m4a

Encoder improvements

- Support for Aften encode other inputs than 2.0/5.1 [OK in 3.25]
Workaround: eac3to input3-4-5channels stdout.wav | Aften -b 640 -readtoeof 1 - output.ac3

Issues with gaps/overlaps

- See next post. [OK in 3.25]

Info

- Document all the working parameters.

- Support SRT subtitles when using -check [OK in 3.25]

- Remove bit-depth display for lossy tracks [OK in 3.25]

- Assign language "english" to mkv tracks without languaje info (MKV rules). [OK in 3.25]

- Remove the message about 24 fps.

- In -test remove the check of MKVtoolnix (I think is not necessary). [OK in 3.25]

Others

- Bad checking between edit position and duration. [OK in 3.25]

- Defined framerate conversion is ignored in some circumstances.