From 012e61b1054403655d70bc52b57f2ce1b5776f1d Mon Sep 17 00:00:00 2001 From: Chris Robinson Date: Tue, 25 Sep 2012 11:32:49 -0700 Subject: [PATCH] Round when calculating NumUpdates from PulseAudio's minreq --- Alc/backends/pulseaudio.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/Alc/backends/pulseaudio.c b/Alc/backends/pulseaudio.c index 9512c8af..a490d0e1 100644 --- a/Alc/backends/pulseaudio.c +++ b/Alc/backends/pulseaudio.c @@ -1004,6 +1004,7 @@ static ALCboolean pulse_reset_playback(ALCdevice *device) pulse_data *data = device->ExtraData; pa_stream_flags_t flags = 0; pa_channel_map chanmap; + ALuint len; pa_threaded_mainloop_lock(data->loop); @@ -1099,11 +1100,11 @@ static ALCboolean pulse_reset_playback(ALCdevice *device) /* Server updated our playback rate, so modify the buffer attribs * accordingly. */ - data->attr.minreq = (ALuint64)device->UpdateSize * data->spec.rate / - device->Frequency; + device->UpdateSize = (ALuint64)device->UpdateSize * data->spec.rate / + device->Frequency; if((CPUCapFlags&CPU_CAP_SSE)) - data->attr.minreq = (data->attr.minreq+3)&~3; - data->attr.minreq *= pa_frame_size(&data->spec); + device->UpdateSize = (device->UpdateSize+3)&~3; + data->attr.minreq = device->UpdateSize * pa_frame_size(&data->spec); data->attr.tlength = data->attr.minreq * maxu(device->NumUpdates, 2); data->attr.prebuf = 0; @@ -1121,10 +1122,10 @@ static ALCboolean pulse_reset_playback(ALCdevice *device) #endif stream_buffer_attr_callback(data->stream, device); - device->NumUpdates = device->UpdateSize*device->NumUpdates / - (data->attr.minreq/pa_frame_size(&data->spec)); + len = data->attr.minreq / pa_frame_size(&data->spec); + device->NumUpdates = (device->UpdateSize*device->NumUpdates + len/2) / len; device->NumUpdates = maxu(device->NumUpdates, 2); - device->UpdateSize = data->attr.minreq / pa_frame_size(&data->spec); + device->UpdateSize = len; pa_threaded_mainloop_unlock(data->loop); return ALC_TRUE; -- 2.11.4.GIT