Hi,
I'm currently writing an image flipbook tool that uses ALSA to synchronize a sequence of images to a given audio track. I originally wrote the program using ALSA 0.5, however, I'm having trouble re-writing my application to use the newer 0.9 alsa-lib API. Specifically, my application used the so-called "stream" PCM playback mode in v0.5, where I could setup the playback buffer size like so: snd_pcm_channel_params_t params; params.mode = SND_PCM_MODE_STREAM; params.channel = SND_PCM_CHANNEL_PLAYBACK; params.buf.stream.queue_size = bufferSizeInBytes params.buf.stream.fill = SND_PCM_FILL_NONE; snd_pcm_channel_params(m_alsa,¶ms); Here, I could write an arbitrary number of bytes to the buffer using snd_pcm_write, and I could tell how many bytes were currently free in the buffer using snd_pcm_channel_status. I could also set the queue_size as large as I wanted. I need the same setup from alsa-lib 0.9, but I'm not sure what snd_pcm_hw_params to set in order to get the same behavior (period_size? buffer_size?). Any tips and help is appreciated, - Philip ------------------------- Philip Hunter Software Developer Weta Digital Effects http://www.wetafx.co.nz ------------------------- _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
