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-rw-r--r--muse2/muse/wavetrack.cpp360
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diff --git a/muse2/muse/wavetrack.cpp b/muse2/muse/wavetrack.cpp
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+//=========================================================
+// MusE
+// Linux Music Editor
+// $Id: wavetrack.cpp,v 1.15.2.12 2009/12/20 05:00:35 terminator356 Exp $
+//
+// (C) Copyright 2003 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#include "track.h"
+#include "event.h"
+#include "audio.h"
+#include "wave.h"
+#include "xml.h"
+#include "song.h"
+#include "globals.h"
+#include "gconfig.h"
+#include "al/dsp.h"
+
+// Added by Tim. p3.3.18
+//#define WAVETRACK_DEBUG
+
+//---------------------------------------------------------
+// fetchData
+// called from prefetch thread
+//---------------------------------------------------------
+
+//void WaveTrack::fetchData(unsigned pos, unsigned samples, float** bp)
+void WaveTrack::fetchData(unsigned pos, unsigned samples, float** bp, bool doSeek)
+ {
+ // Added by Tim. p3.3.17
+ #ifdef WAVETRACK_DEBUG
+ printf("WaveTrack::fetchData %s samples:%lu pos:%u\n", name().latin1(), samples, pos);
+ #endif
+
+ // reset buffer to zero
+ for (int i = 0; i < channels(); ++i)
+ memset(bp[i], 0, samples * sizeof(float));
+
+ // p3.3.29
+ // Process only if track is not off.
+ if(!off())
+ {
+
+ PartList* pl = parts();
+ unsigned n = samples;
+ for (iPart ip = pl->begin(); ip != pl->end(); ++ip) {
+ WavePart* part = (WavePart*)(ip->second);
+ // Changed by Tim. p3.3.17
+ //if (part->mute() || isMute())
+ if (part->mute())
+ continue;
+
+ unsigned p_spos = part->frame();
+ unsigned p_epos = p_spos + part->lenFrame();
+ if (pos + n < p_spos)
+ break;
+ if (pos >= p_epos)
+ continue;
+
+ EventList* events = part->events();
+ for (iEvent ie = events->begin(); ie != events->end(); ++ie) {
+ Event& event = ie->second;
+ unsigned e_spos = event.frame() + p_spos;
+ unsigned nn = event.lenFrame();
+ unsigned e_epos = e_spos + nn;
+
+ if (pos + n < e_spos)
+ break;
+ if (pos >= e_epos)
+ continue;
+
+ int offset = e_spos - pos;
+
+ unsigned srcOffset, dstOffset;
+ if (offset > 0) {
+ nn = n - offset;
+ srcOffset = 0;
+ dstOffset = offset;
+ }
+ else {
+ srcOffset = -offset;
+ dstOffset = 0;
+
+ nn += offset;
+ if (nn > n)
+ nn = n;
+ }
+ float* bpp[channels()];
+ for (int i = 0; i < channels(); ++i)
+ bpp[i] = bp[i] + dstOffset;
+
+ // By T356. Allow overlapping parts or events to mix together !
+ // Since the buffers are cleared above, just read and add (don't overwrite) the samples.
+ //event.read(srcOffset, bpp, channels(), nn);
+ //event.read(srcOffset, bpp, channels(), nn, false);
+ //event.readAudio(srcOffset, bpp, channels(), nn, doSeek, false);
+ // p3.3.33
+ event.readAudio(part, srcOffset, bpp, channels(), nn, doSeek, false);
+
+ }
+ }
+ }
+
+ if(config.useDenormalBias) {
+ // add denormal bias to outdata
+ for (int i = 0; i < channels(); ++i)
+ for (int j = 0; j < samples; ++j)
+ {
+ bp[i][j] +=denormalBias;
+
+ /*
+ // p3.3.41
+ if(j & 1)
+ bp[i][j] -=denormalBias;
+ else
+ bp[i][j] +=denormalBias;
+ */
+ }
+ }
+
+ // p3.3.41
+ //fprintf(stderr, "WaveTrack::fetchData data: samples:%ld %e %e %e %e\n", samples, bp[0][0], bp[0][1], bp[0][2], bp[0][3]);
+
+ _prefetchFifo.add();
+ }
+
+//---------------------------------------------------------
+// write
+//---------------------------------------------------------
+
+void WaveTrack::write(int level, Xml& xml) const
+ {
+ xml.tag(level++, "wavetrack");
+ AudioTrack::writeProperties(level, xml);
+ const PartList* pl = cparts();
+ for (ciPart p = pl->begin(); p != pl->end(); ++p)
+ p->second->write(level, xml);
+ xml.etag(level, "wavetrack");
+ }
+
+//---------------------------------------------------------
+// read
+//---------------------------------------------------------
+
+void WaveTrack::read(Xml& xml)
+ {
+ for (;;) {
+ Xml::Token token = xml.parse();
+ const QString& tag = xml.s1();
+ switch (token) {
+ case Xml::Error:
+ case Xml::End:
+ return;
+ case Xml::TagStart:
+ if (tag == "part") {
+ //Part* p = newPart();
+ //p->read(xml);
+ Part* p = 0;
+ p = readXmlPart(xml, this);
+ if(p)
+ parts()->add(p);
+ }
+ else if (AudioTrack::readProperties(xml, tag))
+ xml.unknown("WaveTrack");
+ break;
+ case Xml::Attribut:
+ break;
+ case Xml::TagEnd:
+ if (tag == "wavetrack") {
+ mapRackPluginsToControllers();
+ return;
+ }
+ default:
+ break;
+ }
+ }
+ }
+
+//---------------------------------------------------------
+// newPart
+//---------------------------------------------------------
+
+Part* WaveTrack::newPart(Part*p, bool clone)
+ {
+ WavePart* part = clone ? new WavePart(this, p->events()) : new WavePart(this);
+ if (p) {
+ part->setName(p->name());
+ part->setColorIndex(p->colorIndex());
+
+ *(PosLen*)part = *(PosLen*)p;
+ part->setMute(p->mute());
+ }
+
+ if(clone)
+ //p->chainClone(part);
+ chainClone(p, part);
+
+ return part;
+ }
+
+//---------------------------------------------------------
+// getData
+//---------------------------------------------------------
+
+bool WaveTrack::getData(unsigned framePos, int channels, unsigned nframe, float** bp)
+ {
+ //if(debugMsg)
+ // printf("WaveTrack::getData framePos:%u channels:%d nframe:%u processed?:%d\n", framePos, channels, nframe, processed());
+
+ if ((song->bounceTrack != this) && !noInRoute()) {
+ RouteList* irl = inRoutes();
+ iRoute i = irl->begin();
+ if(i->track->isMidiTrack())
+ {
+ if(debugMsg)
+ printf("WaveTrack::getData: Error: First route is a midi track route!\n");
+ return false;
+ }
+ // p3.3.38
+ //((AudioTrack*)i->track)->copyData(framePos, channels, nframe, bp);
+ ((AudioTrack*)i->track)->copyData(framePos, channels,
+ //(i->track->type() == Track::AUDIO_SOFTSYNTH && i->channel != -1) ? i->channel : 0,
+ i->channel,
+ i->channels,
+ nframe, bp);
+
+ ++i;
+ for (; i != irl->end(); ++i)
+ {
+ if(i->track->isMidiTrack())
+ {
+ if(debugMsg)
+ printf("WaveTrack::getData: Error: Route is a midi track route!\n");
+ //return false;
+ continue;
+ }
+ // p3.3.38
+ //((AudioTrack*)i->track)->addData(framePos, channels, nframe, bp);
+ ((AudioTrack*)i->track)->addData(framePos, channels,
+ //(i->track->type() == Track::AUDIO_SOFTSYNTH && i->channel != -1) ? i->channel : 0,
+ i->channel,
+ i->channels,
+ nframe, bp);
+
+ }
+ if (recordFlag()) {
+ if (audio->isRecording() && recFile()) {
+ if (audio->freewheel()) {
+ }
+ else {
+ if (fifo.put(channels, nframe, bp, audio->pos().frame()))
+ printf("WaveTrack::getData(%d, %d, %d): fifo overrun\n",
+ framePos, channels, nframe);
+ }
+ }
+ return true;
+ }
+ }
+ if (!audio->isPlaying())
+ return false;
+
+ // Removed by T356. Multiple out route cacheing now handled by AudioTrack::copyData and ::addData.
+ /*
+ if (outRoutes()->size() > 1) {
+ if (bufferPos != framePos) {
+ // Added by Tim. p3.3.16
+ printf("WaveTrack::getData bufferPos:%d != framePos\n", bufferPos);
+
+ bufferPos = framePos;
+ if (audio->freewheel()) {
+ // when freewheeling, read data direct from file:
+ fetchData(bufferPos, nframe, outBuffers);
+ }
+ else {
+ unsigned pos;
+ if (_prefetchFifo.get(channels, nframe, outBuffers, &pos)) {
+ printf("WaveTrack::getData(%s) fifo underrun\n",
+ name().latin1());
+ return false;
+ }
+ if (pos != framePos) {
+ printf("fifo get error expected %d, got %d\n",
+ framePos, pos);
+ if (debugMsg)
+ printf("fifo get error expected %d, got %d\n",
+ framePos, pos);
+ while (pos < framePos) {
+ if (_prefetchFifo.get(channels, nframe, bp, &pos)) {
+ printf("WaveTrack::getData(%s) fifo underrun\n",
+ name().latin1());
+ return false;
+ }
+ }
+ }
+ }
+ }
+ for (int i = 0; i < channels; ++i)
+ //memcpy(bp[i], outBuffers[i], nframe * sizeof(float));
+ AL::dsp->cpy(bp[i], outBuffers[i], nframe);
+ }
+ else {
+ */
+
+ //printf("WaveTrack::getData no out routes\n");
+
+ if (audio->freewheel()) {
+
+ // when freewheeling, read data direct from file:
+ // Indicate do not seek file before each read.
+ // Changed by Tim. p3.3.17
+ //fetchData(framePos, nframe, bp);
+ fetchData(framePos, nframe, bp, false);
+
+ }
+ else {
+ unsigned pos;
+ if (_prefetchFifo.get(channels, nframe, bp, &pos)) {
+ printf("WaveTrack::getData(%s) fifo underrun\n",
+ name().latin1());
+ return false;
+ }
+ if (pos != framePos) {
+ if (debugMsg)
+ printf("fifo get error expected %d, got %d\n",
+ framePos, pos);
+ while (pos < framePos) {
+ if (_prefetchFifo.get(channels, nframe, bp, &pos)) {
+ printf("WaveTrack::getData(%s) fifo underrun\n",
+ name().latin1());
+ return false;
+ }
+ }
+ }
+
+ // p3.3.41
+ //fprintf(stderr, "WaveTrack::getData %s data: nframe:%ld %e %e %e %e\n", name().latin1(), nframe, bp[0][0], bp[0][1], bp[0][2], bp[0][3]);
+
+ }
+ //}
+ return true;
+ }
+
+//---------------------------------------------------------
+// setChannels
+//---------------------------------------------------------
+
+void WaveTrack::setChannels(int n)
+ {
+ AudioTrack::setChannels(n);
+ SndFile* sf = recFile();
+ if (sf) {
+ if (sf->samples() == 0) {
+ sf->remove();
+ sf->setFormat(sf->format(), _channels,
+ sf->samplerate());
+ sf->openWrite();
+ }
+ }
+ }
+
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