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190 lines
6.3 KiB
190 lines
6.3 KiB
/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#include "AudioSegmentAutoSplitCommand.h"
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#include "base/Event.h"
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#include "misc/Debug.h"
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#include "misc/Strings.h"
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#include "base/Composition.h"
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#include "base/RealTime.h"
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#include "base/Segment.h"
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#include "document/RosegardenGUIDoc.h"
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#include "sound/AudioFileManager.h"
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#include "sound/PeakFileManager.h"
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#include <tqstring.h>
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namespace Rosegarden
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{
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struct AutoSplitPoint
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{
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timeT time;
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timeT lastSoundTime;
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Clef clef;
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Rosegarden::Key key;
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AutoSplitPoint(timeT t, timeT lst, Clef c, Rosegarden::Key k) :
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time(t), lastSoundTime(lst), clef(c), key(k) { }
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};
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AudioSegmentAutoSplitCommand::AudioSegmentAutoSplitCommand(
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RosegardenGUIDoc *doc,
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Segment *segment,
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int threshold) :
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KNamedCommand(getGlobalName()),
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m_segment(segment),
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m_composition(segment->getComposition()),
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m_audioFileManager(&(doc->getAudioFileManager())),
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m_detached(false),
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m_threshold(threshold)
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{}
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AudioSegmentAutoSplitCommand::~AudioSegmentAutoSplitCommand()
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{
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if (m_detached) {
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delete m_segment;
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} else {
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for (unsigned int i = 0; i < m_newSegments.size(); ++i) {
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delete m_newSegments[i];
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}
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}
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}
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void
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AudioSegmentAutoSplitCommand::execute()
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{
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if (m_newSegments.size() == 0) {
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std::vector<AutoSplitPoint> splitPoints;
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if (m_segment->getType() != Segment::Audio)
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return ;
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// Auto split the audio file - we ask for a minimum
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// result file size of 0.2secs - that's probably fair
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// enough.
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//
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std::vector<SplitPointPair> rtSplitPoints;
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try {
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rtSplitPoints =
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m_audioFileManager->
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getSplitPoints(m_segment->getAudioFileId(),
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m_segment->getAudioStartTime(),
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m_segment->getAudioEndTime(),
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m_threshold,
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RealTime(0, 200000000));
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} catch (AudioFileManager::BadAudioPathException e) {
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std::cerr << "ERROR: AudioSegmentAutoSplitCommand: Bad audio path: " << e.getMessage() << std::endl;
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} catch (PeakFileManager::BadPeakFileException e) {
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std::cerr << "ERROR: AudioSegmentAutoSplitCommand: Bad peak file: " << e.getMessage() << std::endl;
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}
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std::vector<SplitPointPair>::iterator it;
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timeT absStartTime, absEndTime;
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char splitNumber[10];
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int splitCount = 0;
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timeT origStartTime = m_segment->getStartTime();
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RealTime audioStart = m_segment->getAudioStartTime();
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RealTime origStartRT = m_composition->getElapsedRealTime(origStartTime);
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for (it = rtSplitPoints.begin(); it != rtSplitPoints.end(); it++) {
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// The start time for the segment is the original
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// segment's start time, plus whatever it->first translates
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// into as an offset from the original segment's start
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// time
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RG_DEBUG << "AudioSegmentAutoSplitCommand::execute: range " << it->first << " -> " << it->second << endl;
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absStartTime = m_composition->getElapsedTimeForRealTime
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(origStartRT - audioStart + it->first);
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absEndTime = m_composition->getElapsedTimeForRealTime
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(origStartRT - audioStart + it->second);
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// absStartTime = m_segment->getStartTime() +
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// m_composition->getElapsedTimeForRealTime(it->first - audioStart);
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// absEndTime = m_segment->getStartTime() +
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// m_composition->getElapsedTimeForRealTime(it->second - audioStart);
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Segment *newSegment = new Segment(*m_segment);
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newSegment->setStartTime(absStartTime);
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newSegment->setAudioFileId(m_segment->getAudioFileId());
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newSegment->setAudioStartTime(it->first);
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newSegment->setAudioEndTime(it->second);
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newSegment->setEndMarkerTime(absEndTime);
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// label
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sprintf(splitNumber, "%d", splitCount++);
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newSegment->
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setLabel(qstrtostr(i18n("%1 (autosplit %2)").arg
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(strtoqstr(m_segment->getLabel())).arg
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(splitNumber)));
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newSegment->setColourIndex(m_segment->getColourIndex());
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RG_DEBUG << "AudioSegmentAutoSplitCommand::execute "
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<< "abs start = " << absStartTime
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<< ", abs end = " << absEndTime
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<< ", seg start = " << newSegment->getStartTime()
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<< ", seg end = " << newSegment->getEndMarkerTime()
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<< ", audio start = " << newSegment->getAudioStartTime()
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<< ", audio end = " << newSegment->getAudioEndTime()
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<< endl;
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m_newSegments.push_back(newSegment);
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}
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}
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RG_DEBUG << "AudioSegmentAutoSplitCommand::execute: have " << m_newSegments.size() << " new segments" << endl;
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for (unsigned int i = 0; i < m_newSegments.size(); ++i) {
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m_composition->addSegment(m_newSegments[i]);
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}
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if (m_newSegments.size() > 0) {
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m_composition->detachSegment(m_segment);
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}
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m_detached = true;
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}
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void
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AudioSegmentAutoSplitCommand::unexecute()
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{
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for (unsigned int i = 0; i < m_newSegments.size(); ++i) {
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m_composition->detachSegment(m_newSegments[i]);
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}
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if (m_newSegments.size() > 0) { // otherwise it was never detached
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m_composition->addSegment(m_segment);
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}
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m_detached = false;
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}
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}
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