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-rw-r--r--muse/muse/audio.cpp44
-rw-r--r--muse/muse/audioprefetch.cpp7
-rw-r--r--muse/muse/audioprefetch.h2
-rw-r--r--muse/muse/midiseq.cpp11
-rw-r--r--muse/muse/muse.cpp10
-rw-r--r--muse/muse/wavetrack.cpp5
-rw-r--r--muse/muse/wavetrack.h3
7 files changed, 47 insertions, 35 deletions
diff --git a/muse/muse/audio.cpp b/muse/muse/audio.cpp
index b5bda655..c42a91e8 100644
--- a/muse/muse/audio.cpp
+++ b/muse/muse/audio.cpp
@@ -366,7 +366,11 @@ void Audio::process(unsigned frames)
unsigned framePos = _pos.frame();
- if (state == PLAY) { // TODO: only when looping?
+ if (state == PLAY) {
+ //
+ // clear prefetch FIFO if left/right locators
+ // have changed
+ //
unsigned llmark = song->lPos().frame();
unsigned rrmark = song->rPos().frame();
@@ -374,13 +378,7 @@ void Audio::process(unsigned frames)
//
// invalidate audio prefetch buffer
//
-#if 0
- WaveTrackList* tl = song->waves();
- for (iWaveTrack it = tl->begin(); it != tl->end(); ++it) {
- WaveTrack* track = *it;
- track->clearPrefetchFifo();
- }
-#endif
+ audioPrefetch->getFifo()->clear();
audioPrefetch->msgSeek(framePos);
lmark = llmark;
rmark = rrmark;
@@ -475,18 +473,21 @@ void Audio::process(unsigned frames)
// printf("process %3d\n", fifo->count());
if (fifo->count() == 0) {
printf("MusE::Audio: fifo underflow at 0x%x\n", curTickPos);
+ audioPrefetch->msgTick();
}
else {
bool msg = true;
do {
unsigned fifoPos = fifo->readPos();
if (fifoPos != framePos) {
-// if (msg) {
- printf("Muse::Audio: wrong prefetch data 0x%x, expected 0x%x\n",
+ if (msg) {
+ printf("Muse::Audio: wrong prefetch data 0x%x, expected 0x%x\n",
fifoPos, framePos);
msg = false;
-// }
- fifo->get();
+ }
+ if (fifoPos > framePos)
+ break;
+ fifo->get(); // discard buffer
}
else {
_curReadIndex = fifo->ridx;
@@ -494,7 +495,7 @@ void Audio::process(unsigned frames)
}
} while (fifo->count());
if (_curReadIndex == -1) {
- seek(_pos);
+ seek(_pos + frames);
}
}
}
@@ -528,19 +529,20 @@ void Audio::process(unsigned frames)
song->bounceTrack->process();
if (isPlaying()) {
- if (!freewheel())
- audioPrefetch->msgTick(framePos);
+ if (!freewheel()) {
+ //
+ // consume prefetch buffer
+ //
+ if (_curReadIndex != -1) {
+ audioPrefetch->getFifo()->get();
+ audioPrefetch->msgTick();
+ }
+ }
if (recording && (_bounce == 0 || _bounce == 1))
audioWriteback->trigger();
_pos += frames;
curTickPos = nextTickPos;
}
-
- //
- // consume prefetch buffer
- //
- if (_curReadIndex != -1)
- audioPrefetch->getFifo()->get();
}
//---------------------------------------------------------
diff --git a/muse/muse/audioprefetch.cpp b/muse/muse/audioprefetch.cpp
index 23f895f7..e498169e 100644
--- a/muse/muse/audioprefetch.cpp
+++ b/muse/muse/audioprefetch.cpp
@@ -110,12 +110,10 @@ void AudioPrefetch::processMsg1(const void* m)
// trigger audio prefetch with next buffer position
//---------------------------------------------------------
-void AudioPrefetch::msgTick(unsigned pos)
+void AudioPrefetch::msgTick()
{
PrefetchMsg msg;
msg.id = PREFETCH_TICK;
-// msg.pos = pos;
-// msg.serialNo = 0;
if (fifo.count() < FIFO_BUFFER/3) {
while (sendMsg1(&msg, sizeof(msg))) {
printf("AudioPrefetch::msgTick(): send failed!\n");
@@ -178,8 +176,7 @@ void AudioPrefetch::prefetch(bool seekFlag)
if (!seekFlag && ((audio->isRecording() && track->recordFlag()) || !audio->isPlaying()))
continue;
int ch = track->channels();
- float** bpp = track->prefetchBuffer(widx);
- track->fetchData(writePos, segmentSize, bpp);
+ track->fetchData(writePos, segmentSize, widx);
}
writePos += segmentSize;
fifo.put();
diff --git a/muse/muse/audioprefetch.h b/muse/muse/audioprefetch.h
index b456989a..14e8096c 100644
--- a/muse/muse/audioprefetch.h
+++ b/muse/muse/audioprefetch.h
@@ -43,7 +43,7 @@ class AudioPrefetch : public Thread {
~AudioPrefetch();
virtual void start(int);
- void msgTick(unsigned pos);
+ void msgTick();
void msgSeek(unsigned pos);
bool seekDone() const { return seekCount == 0; }
Fifo1* getFifo() { return &fifo; }
diff --git a/muse/muse/midiseq.cpp b/muse/muse/midiseq.cpp
index 5fac0c5c..fd79ff43 100644
--- a/muse/muse/midiseq.cpp
+++ b/muse/muse/midiseq.cpp
@@ -345,6 +345,7 @@ void MidiSeq::threadStart(void*)
rt_param.sched_priority);
}
}
+
// timer = new PosixTimer;
// if (!timer->initTimer()) {
// delete timer;
@@ -381,9 +382,11 @@ void MidiSeq::updatePollFd()
if (!isRunning())
return;
clearPollFd();
- int timerFd = timer->getFd();
- if (timerFd != -1)
- addPollFd(timerFd, POLLIN, midiTick, this, 0);
+ if (timer) {
+ int timerFd = timer->getFd();
+ if (timerFd != -1)
+ addPollFd(timerFd, POLLIN, midiTick, this, 0);
+ }
addPollFd(toThreadFdr, POLLIN, ::readMsg, this, 0);
@@ -415,6 +418,8 @@ void MidiSeq::threadStop()
bool MidiSeq::initRealtimeTimer()
{
+ if (!timer)
+ return false;
if (!timer->setTimerFreq(config.rtcTicks))
return false;
if (!timer->startTimer())
diff --git a/muse/muse/muse.cpp b/muse/muse/muse.cpp
index 19bc5ab1..48d7414a 100644
--- a/muse/muse/muse.cpp
+++ b/muse/muse/muse.cpp
@@ -238,10 +238,18 @@ bool MusE::seqStart()
strerror(rv));
pthread_attr_destroy(attributes);
}
-#if 0
+#if 1
+ //
+ // start audio prefetch threads with realtime
+ // priority
+ //
audioPrefetch->start(0);
audioWriteback->start(0);
#else
+ //
+ // start audio prefetch threads as normal
+ // (non realtime) threads
+ //
audioPrefetch->start(realTimePriority-5);
audioWriteback->start(realTimePriority-5);
#endif
diff --git a/muse/muse/wavetrack.cpp b/muse/muse/wavetrack.cpp
index 80e2ae84..76d7bdf3 100644
--- a/muse/muse/wavetrack.cpp
+++ b/muse/muse/wavetrack.cpp
@@ -72,8 +72,9 @@ WaveTrack::~WaveTrack()
// called from prefetch thread
//---------------------------------------------------------
-void WaveTrack::fetchData(unsigned pos, unsigned samples, float** bp)
+void WaveTrack::fetchData(unsigned pos, unsigned samples, int widx)
{
+ float** bp = readBuffer[widx];
for (int i = 0; i < channels(); ++i)
memset(bp[i], 0, samples * sizeof(float));
PartList* pl = parts();
@@ -323,7 +324,7 @@ void WaveTrack::collectInputData()
unsigned framePos = audio->pos().frame();
if (audio->freewheel()) {
// when freewheeling, read data direct from file:
- fetchData(framePos, segmentSize, buffer);
+ // TODO: fetchData(framePos, segmentSize, buffer);
}
else {
int idx = audio->curReadIndex();
diff --git a/muse/muse/wavetrack.h b/muse/muse/wavetrack.h
index 3b5c36ec..f77c210d 100644
--- a/muse/muse/wavetrack.h
+++ b/muse/muse/wavetrack.h
@@ -59,7 +59,7 @@ class WaveTrack : public AudioTrack {
virtual void read(QDomNode);
virtual void write(Xml&) const;
- virtual void fetchData(unsigned pos, unsigned frames, float** bp);
+ virtual void fetchData(unsigned pos, unsigned frames, int);
virtual void setChannels(int n);
virtual bool hasAuxSend() const { return true; }
@@ -70,7 +70,6 @@ class WaveTrack : public AudioTrack {
void recordBeat();
virtual void stopRecording(const AL::Pos&, const AL::Pos&);
virtual void process();
- float** prefetchBuffer(int idx) { return readBuffer[idx]; }
};
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-31 03:23:16 +0000