Soun d Architecture': Could not get/set settings from/on resource.
 [gstalsasink.c(666 ): set_hwparams (): /pipeline0/alsasink1:


This is because au88x0 driver require the period_size to be power of two

             snd_pcm_hw_constraint_integer(runtime,
                                           SNDRV_PCM_HW_PARAM_PERIODS)

             snd_pcm_hw_constraint_pow2(runtime, 0,
                                        SNDRV_PCM_HW_PARAM_PERIOD_BYTES)


This is no enough for alsa-lib to refine the hardware parameters (buffer_size, 
period_size ,period , buffer_time, period_time )  when application (e.g. 
gstreamer, wine) call snd_pcm_hw_params_set_buffer_time_near() or 
snd_pcm_hw_params_set_period_time_near()


possible fix may be adding another constraint for buffer_bytes to help alsa-lib 
to refine that hardware parameters

-- 
Could not get/set settings from/on resource.
https://bugs.launchpad.net/bugs/52396
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