I checked the volume in the raspbian volume utility
also as I said if I restart my program, it is still the same vollume
values, not my values
how does it work then ?
how to I submit/commit my volume settings ?
is there no wiki or anything explaining all these ?
Le 27/10/2016 à 16:35, Tanu Kaskinen a écrit :
> On Wed, 2016-10-26 at 19:32 +0200, pfl wrote:
>> it seems pa_context_set_sink_volume_by_index has no effect
>>
>> no more error, but the settings are not kept as default
> What do you mean by "kept as default"?
>
>> setOutputVolume(0,100);
>> setOutputVolume(1,100);
>> setOutputVolume(2,100);
>> setOutputVolume(3,100);
>> setOutputVolume(4,100);
>>
>> void setOutputVolume(int index,int volume)
>> {
>> pa_operation* o;
>>
>> currentVolume.values[0]=volume;
>> currentVolume.values[1]=volume;
>>
>> if (!(o = pa_context_set_sink_volume_by_index(context, index,
>> ¤tVolume, NULL/*volumeCallback*/, NULL)))
>> {
>> printf("pa_context_set_source_volume_by_index() failed\n");
>> debugContextState(pa_context_get_state(context));
>> return;
>> }
>>
>> printf("new volume [%d]: %d %d\n",index,currentVolume.values[0],currentVolume.values[1]);
> When you print this message, do you expect the volume at the server end
> to have already changed? All interactions with the server are
> asynchronous, so at this point in your code libpulse has only queued
> the "set sink volume" command to be sent. The command has not yet
> reached the server.
>
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