diff options
| author | Seungha Yang <seungha@centricular.com> | 2021-06-06 17:32:59 +0900 |
|---|---|---|
| committer | Seungha Yang <seungha@centricular.com> | 2021-06-08 19:39:26 +0900 |
| commit | 4b42671c9924674e77b8b35f3b22abab651e8bb3 (patch) | |
| tree | 2af422ebc7640a7edbcd016f4b37989f1bebcbfb /sys/wasapi2 | |
| parent | d5384ffbd0f101173d200e214e9ad488886c1db7 (diff) | |
| download | gstreamer-plugins-bad-4b42671c9924674e77b8b35f3b22abab651e8bb3.tar.gz | |
wasapi2: Use AUDCLNT_STREAMFLAGS_NOPERSIST flag
... so that we can disable persistence of our mute/volume status
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2306>
Diffstat (limited to 'sys/wasapi2')
| -rw-r--r-- | sys/wasapi2/gstwasapi2client.cpp | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/sys/wasapi2/gstwasapi2client.cpp b/sys/wasapi2/gstwasapi2client.cpp index 286fc93a8..b7555e4d5 100644 --- a/sys/wasapi2/gstwasapi2client.cpp +++ b/sys/wasapi2/gstwasapi2client.cpp @@ -1210,6 +1210,8 @@ gst_wasapi2_client_initialize_audio_client3 (GstWasapi2Client * self) { HRESULT hr = S_OK; UINT32 default_period, fundamental_period, min_period, max_period; + /* AUDCLNT_STREAMFLAGS_NOPERSIST is not allowed for + * InitializeSharedAudioStream */ DWORD stream_flags = AUDCLNT_STREAMFLAGS_EVENTCALLBACK; WAVEFORMATEX *format = NULL; UINT32 period; @@ -1282,7 +1284,8 @@ gst_wasapi2_client_initialize_audio_client (GstWasapi2Client * self, REFERENCE_TIME default_period, min_period; REFERENCE_TIME device_period, device_buffer_duration; guint rate; - DWORD stream_flags = AUDCLNT_STREAMFLAGS_EVENTCALLBACK; + DWORD stream_flags = + AUDCLNT_STREAMFLAGS_EVENTCALLBACK | AUDCLNT_STREAMFLAGS_NOPERSIST; HRESULT hr; IAudioClient3 *audio_client = self->audio_client; @@ -1440,14 +1443,6 @@ gst_wasapi2_client_open (GstWasapi2Client * client, return hr; client->audio_volume = audio_volume.Detach (); - - /* this mute state seems to be global setting for this device - * but below documentation looks unclear why mute state is preserved - * even after process is terminated - * https://docs.microsoft.com/en-us/windows/win32/api/audioclient/nf-audioclient-isimpleaudiovolume-setmute - * Explicitly disable mute so that ensure we can produce or play audio - * regardless of previous status - */ client->audio_volume->SetMute (FALSE, nullptr); gst_audio_ring_buffer_set_channel_positions (buf, client->positions); |