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output/wasapi: stop the IAudioClient while paused

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Instead of generating silence, do nothing, don't waste CPU time.
This commit is contained in:
Max Kellermann 2021-03-10 17:47:14 +01:00
parent 2ac2bd26f8
commit 5907656bbb
1 changed files with 12 additions and 13 deletions
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13
src/output/plugins/wasapi/WasapiOutputPlugin.cxx
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@ -366,7 +366,12 @@ try {
IAudioClient if we're paused */ IAudioClient if we're paused */
continue; continue;
break; /* stop the IAudioClient while paused; it will
be restarted as soon as we're asked to
resume playback */
Stop(client);
started = false;
continue;
case Status::PLAY: case Status::PLAY:
break; break;
@ -400,18 +405,12 @@ try {
} }
}; };
if (current_state == Status::PLAY) {
const UINT32 write_size = write_in_frames * frame_size; const UINT32 write_size = write_in_frames * frame_size;
UINT32 new_data_size = 0; UINT32 new_data_size = 0;
new_data_size = spsc_buffer.pop(data, write_size); new_data_size = spsc_buffer.pop(data, write_size);
std::fill_n(data + new_data_size, std::fill_n(data + new_data_size,
write_size - new_data_size, 0); write_size - new_data_size, 0);
InterruptWaiter(); InterruptWaiter();
} else {
mode = AUDCLNT_BUFFERFLAGS_SILENT;
FormatDebug(wasapi_output_domain,
"Working thread paused");
}
} }
} catch (...) { } catch (...) {
error.ptr = std::current_exception(); error.ptr = std::current_exception();