[Mlt-devel] Basic mlt usage

[Simon A. E. <gr...@gm...>]

Hi Dan,

I'm trying to play around with MLT for the audio alignment, but wasn't
so successful so far. Here is where I am currently: (audioAlign branch
on kdenlive git)
http://quickgit.kde.org/index.php?p=kdenlive.git&a=blob&h=6e9a0b5510a1eb9d34b492c52cf2fdbcb7f0a5a6&hb=2af10ceb2eb5b1b58c4215dd7c531494dc971265&f=testingArea%2FaudioOffset.cpp

Some questions:
1. How can I find out the audio sampling rate, number of channels,
etc. of the input file?
2. In get_audio, how can I get all samples of the current frame? Is
there an abbreviation or should I calculate it based on the sampling
rate and the frame rate?
3. How can I convert ‘mlt_audio_format’ to ‘mlt_audio_format&’?
Compiling fails with an error on line 44 now.
4. Just out of curiosity, what happens when the audio has a sampling
rate of 24 kHz and I request 96 kHz?
5. Do I need to free/delete *frame and *data?


thanks,
Simon