The VideoLAN Forums

OK, now for a low level API... I need to add a waveform graph to the application to display it and scroll it as the video plays (imagine something like Audacity with video player added). VLC has audio callback, which I can use to catch audio and play it, but it won't send me waveform data for a part...

Great! Crop geometry is exactly what is needed! With proper handling this is almost the same as zoom. Looks like API description is really missing the format of crop string. Now I have to come through the fact that Qt widget that is use to display the video (libvlc_media_player_set_hwnd) doesn't rec...

If you get callback for every frame, you can just calculate framerate using time difference between callbacks. The correct place to allocate frame buffer is in format callback. Reallocate it each time new callback happens (you can use realloc for that). At least, this is how I made it in my applicat...

Hello. I used to embed video in a Qt/C++ application using LibVLC (more precisely - libVLC-Qt), and it works brilliantely as long as I just need to open video and play it. I've donated some money tho the project because it has saved me a ton of my time. Now I'm using libVLC in a C++ project which in...