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winecoreaudio: Improve underrun handling.

This commit is contained in:
Andrew Eikum 2012-02-01 09:08:51 -06:00 committed by Alexandre Julliard
parent 19015ae19e
commit 57bb0898f3
1 changed files with 26 additions and 5 deletions
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31
dlls/winecoreaudio.drv/mmdevdrv.c
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@ -138,7 +138,7 @@ struct ACImpl {
UINT32 getbuf_last;
int playing;
Float64 highest_sampletime;
Float64 highest_sampletime, next_sampletime;
AudioSession *session;
AudioSessionWrapper *session_wrapper;
@ -564,8 +564,13 @@ static UINT64 get_current_aqbuffer_position(ACImpl *This, int mode)
else
ret = This->highest_sampletime - bufinfo->start_sampletime;
if(mode == BUFPOS_ABSOLUTE)
ret += bufinfo->start_pos;
if(mode == BUFPOS_ABSOLUTE){
ret = This->written_frames - (bufinfo->len_frames - ret);
while((head = list_next(&This->queued_bufinfos, &bufinfo->entry))){
bufinfo = LIST_ENTRY(head, QueuedBufInfo, entry);
ret -= bufinfo->len_frames;
}
}
TRACE("%llu frames (%s)\n", ret,
mode == BUFPOS_ABSOLUTE ? "absolute" : "relative");
@ -1851,7 +1856,7 @@ static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
{
ACImpl *This = impl_from_IAudioRenderClient(iface);
AQBuffer *buf;
AudioTimeStamp start_time;
AudioTimeStamp start_time, req_time = {0}, *passed_time = NULL;
OSStatus sc;
TRACE("(%p)->(%u, %x)\n", This, frames, flags);
@ -1896,8 +1901,22 @@ static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
buf = This->public_buffer->mUserData;
buf->used = TRUE;
if(list_empty(&This->queued_bufinfos)){
sc = AudioQueueGetCurrentTime(This->aqueue, NULL, &req_time, NULL);
if(sc == noErr)
passed_time = &req_time;
else
TRACE("AudioQueueGetCurrentTime failed: %lx\n", sc);
}else{
req_time.mSampleTime = This->next_sampletime;
req_time.mFlags = kAudioTimeStampSampleTimeValid;
passed_time = &req_time;
}
sc = AudioQueueEnqueueBufferWithParameters(This->aqueue,
This->public_buffer, 0, NULL, 0, 0, 0, NULL, NULL, &start_time);
This->public_buffer, 0, NULL, 0, 0, 0, NULL, passed_time,
&start_time);
if(sc != noErr){
OSSpinLockUnlock(&This->lock);
ERR("Unable to enqueue buffer: %lx\n", sc);
@ -1914,6 +1933,8 @@ static HRESULT WINAPI AudioRenderClient_ReleaseBuffer(
bufinfo->len_frames = frames;
list_add_tail(&This->queued_bufinfos, &bufinfo->entry);
This->next_sampletime = start_time.mSampleTime + bufinfo->len_frames;
}else
WARN("Start time didn't contain valid SampleTime member\n");