[osg-users] OsgMovie ffmpeg and audio (SDL2) - Audio seems to make video slower. Audio has hiccoughing

[Andrea Martini]

Hi everyone,
i'm using osg3.5.6 on visual studio 2013 (windows 10), and i'm using ffmpeg  plugin combined with SDL2 to play video and audio streaming with osgmovie example.
If i don't use SDL2 (no audio), video streaming works fine. 
If i add SDL2 (audio), i get two bad results:
1) video stream get slower
2) Audio has hiccoughing

I tryied with some video examples (with different resolutions) but i get the same result.

Following, i report audio streaming output displayed on the console:

ffmpeg::open(C:\Movie\surfers_360.mp4) size(2048, 1024) aspect ratio 1
Attaching FFmpegAudioStream
AudioStream read []
FFmpegAudioStream::setAudioSink( 00000277C50FEEE0)
Assigning 00000277C50FEEE0
image->s()2048 image-t()=1024 aspectRatio=1
SDLAudioSink()::startPlaying()
  audioFrequency()=48000
  audioNbChannels()=2
  audioSampleFormat()=4
  SampleFormat  = SAMPLE_FORMAT_F32

I'm wondering if i should continue with ffmpeg and sdl libraries, or i have to look at another one. In this last case, could you suggest me some way to follow? (link, examples, ...)

Thank you!

Cheers,
Andrea

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