Matthieu Regnauld
2018-Nov-05 08:55 UTC
[Vorbis-dev] Decode ogg file while downloading: what are the good practices?
OK, thanks for the information.> Is the overhead of closing and re-opening the handle significant onandroid? Not that much: I can close, reopen and seek in a file right before extracting samples to play a second audio file, while a first file is already extracting and playing, without any glitch, even on low-end device. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.xiph.org/pipermail/vorbis-dev/attachments/20181105/0896af60/attachment.html>
Ralph Giles
2018-Nov-05 15:13 UTC
[Vorbis-dev] Decode ogg file while downloading: what are the good practices?
On 2018-11-05 12:55 AM, Matthieu Regnauld wrote:> > Is the overhead of closing and re-opening the handle significant on > android? > > Not that much: I can close, reopen and seek in a file right before > extracting samples to play a second audio file, while a first file is > already extracting and playing, without any glitch, even on low-end device.That's probably easiest, then. You can track when the download completes and skip the re-opening after that. -r
Matthieu Regnauld
2018-Nov-05 19:46 UTC
[Vorbis-dev] Decode ogg file while downloading: what are the good practices?
Hello, After more tests, I discovered a new problem in my code ( https://gist.github.com/mregnauld/3f7cdc43b02ec3bbd91641b9333ba072) while seeking in an audio file that is being downloaded. When I seek in random positions (when I call OggPlayer::seek()), while I extract audio samples (when I call OggPlayer::extract() every 5ms, in my test - basically, I just play the audio file), sometimes, I get random errors with ov_read(): - sometimes it returns 0 (end of file) - sometimes it returns an error (like an OV_HOLE error) - sometimes it just crashes And that, even if I seek to a position which is at least 44100 frames (1 second) before the end of the file... Has anyone had this problem? Is there maybe any buffer somewhere that I forget to flush, or something? Thanks for your help. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.xiph.org/pipermail/vorbis-dev/attachments/20181105/69e10898/attachment.html>
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