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https://github.com/cookiengineer/audacity
synced 2025-05-02 08:39:46 +02:00
Remove GetLink(ed) in Normalize effect...
... It's much simpler and should be easy to generalize, but what would be appropriate messages?
This commit is contained in:
Paul Licameli
parent
f276373f3c
commit
4c75175e41
@ -219,10 +219,6 @@ bool EffectNormalize::Process()
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//Iterate over each track
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this->CopyInputTracks(); // Set up mOutputTracks.
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bool bGoodResult = true;
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SelectedTrackListOfKindIterator iter(Track::Wave, mOutputTracks.get());
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WaveTrack *track = (WaveTrack *) iter.First();
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WaveTrack *prevTrack;
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prevTrack = track;
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double progress = 0;
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wxString topMsg;
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if(mDC && mGain)
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@ -234,8 +230,10 @@ bool EffectNormalize::Process()
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else if(!mDC && !mGain)
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topMsg = _("Not doing anything...\n"); // shouldn't get here
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while (track) {
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for ( auto track : mOutputTracks->Selected< WaveTrack >()
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+ ( mStereoInd ? &Track::Any : &Track::IsLeader ) ) {
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//Get start and end times from track
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// PRL: No accounting for multiple channels?
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double trackStart = track->GetStartTime();
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double trackEnd = track->GetEndTime();
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@ -244,121 +242,106 @@ bool EffectNormalize::Process()
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mCurT0 = mT0 < trackStart? trackStart: mT0;
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mCurT1 = mT1 > trackEnd? trackEnd: mT1;
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auto range = mStereoInd
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? TrackList::SingletonRange(track)
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: TrackList::Channels(track);
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// Process only if the right marker is to the right of the left marker
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if (mCurT1 > mCurT0) {
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wxString msg;
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auto trackName = track->GetName();
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wxString trackName = track->GetName();
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if(!track->GetLinked() || mStereoInd)
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msg =
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topMsg + wxString::Format( _("Analyzing: %s"), trackName );
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float extent;
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#ifdef EXPERIMENTAL_R128_NORM
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if (mUseLoudness)
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// Loudness: use sum of both tracks.
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// As a result, stereo tracks appear about 3 LUFS louder,
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// as specified.
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extent = 0;
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else
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msg =
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topMsg + wxString::Format( _("Analyzing first track of stereo pair: %s"), trackName );
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float offset, extent;
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bGoodResult = AnalyseTrack(track, msg, progress, offset, extent);
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if (!bGoodResult )
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break;
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if(!track->GetLinked() || mStereoInd) {
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#endif
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// Will compute a maximum
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extent = std::numeric_limits<float>::lowest();
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std::vector<float> offsets;
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wxString msg;
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if (range.size() == 1)
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// mono or 'stereo tracks independently'
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if( (extent > 0) && mGain )
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{
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mMult = ratio / extent;
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msg = topMsg +
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wxString::Format( _("Analyzing: %s"), trackName );
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else
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msg = topMsg +
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// TODO: more-than-two-channels-message
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wxString::Format( _("Analyzing first track of stereo pair: %s"), trackName);
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// Analysis loop over channels collects offsets and extent
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for (auto channel : range) {
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float offset, extent2;
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bGoodResult =
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AnalyseTrack( channel, msg, progress, offset, extent2 );
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if ( ! bGoodResult )
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goto break2;
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#ifdef EXPERIMENTAL_R128_NORM
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if(mUseLoudness) {
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// LUFS is defined as -0.691 dB + 10*log10(sum(channels))
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mMult /= 0.8529037031;
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// LUFS are related to square values so the multiplier must be the root.
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mMult = sqrt(ratio / extent);
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}
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#endif
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}
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if (mUseLoudness)
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extent += extent2;
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else
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mMult = 1.0;
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msg =
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topMsg + wxString::Format( _("Processing: %s"), trackName );
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if(track->GetLinked() || prevTrack->GetLinked()) // only get here if there is a linked track but we are processing independently
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msg =
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topMsg + wxString::Format( _("Processing stereo channels independently: %s"), trackName );
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if (!ProcessOne(track, msg, progress, offset))
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{
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bGoodResult = false;
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break;
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}
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#endif
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extent = std::max( extent, extent2 );
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offsets.push_back(offset);
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// TODO: more-than-two-channels-message
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msg = topMsg +
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wxString::Format( _("Analyzing second track of stereo pair: %s"), trackName );
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}
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else {
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// we have a linked stereo track
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// so we need to find it's min, max and offset
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// as they are needed to calc the multiplier for both tracks
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track = (WaveTrack *) iter.Next(); // get the next one
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msg =
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topMsg + wxString::Format( _("Analyzing second track of stereo pair: %s"), trackName );
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float offset2, extent2;
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bGoodResult = AnalyseTrack(track, msg, progress, offset2, extent2);
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if ( !bGoodResult )
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break;
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// Compute the multiplier using extent
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if( (extent > 0) && mGain ) {
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mMult = ratio / extent;
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#ifdef EXPERIMENTAL_R128_NORM
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if (mUseLoudness) {
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// Loudness: use sum of both tracks.
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// As a result, stereo tracks appear about 3 LUFS louder, as specified.
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extent = extent + extent2;
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if(mUseLoudness) {
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// PRL: See commit 9cbb67a for the origin of the next line,
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// which has no effect because mMult is again overwritten. What
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// was the intent?
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// LUFS is defined as -0.691 dB + 10*log10(sum(channels))
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extent *= 0.8529037031;
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mMult /= 0.8529037031;
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// LUFS are related to square values so the multiplier must be the root.
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mMult = sqrt(ratio / extent);
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}
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else {
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// Peak: use maximum of both tracks.
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extent = fmax(extent, extent2);
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}
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#else
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// Peak: use maximum of both tracks.
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extent = fmax(extent, extent2);
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#endif
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}
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else
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mMult = 1.0;
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if( (extent > 0) && mGain )
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{
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mMult = ratio / extent; // we need to use this for both linked tracks
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#ifdef EXPERIMENTAL_R128_NORM
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if(mUseLoudness) {
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// LUFS are related to square values so the multiplier must be the root.
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mMult = sqrt(mMult);
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}
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#endif
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}
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if (range.size() == 1) {
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if (TrackList::Channels(track).size() == 1)
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// really mono
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msg = topMsg +
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wxString::Format( _("Processing: %s"), trackName );
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else
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mMult = 1.0;
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//'stereo tracks independently'
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// TODO: more-than-two-channels-message
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msg = topMsg +
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wxString::Format( _("Processing stereo channels independently: %s"), trackName);
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}
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else
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msg = topMsg +
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// TODO: more-than-two-channels-message
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wxString::Format( _("Processing first track of stereo pair: %s"), trackName);
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track = (WaveTrack *) iter.Prev(); // go back to the first linked one
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msg =
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topMsg + wxString::Format( _("Processing first track of stereo pair: %s"), trackName );
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if (!ProcessOne(track, msg, progress, offset))
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{
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bGoodResult = false;
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break;
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}
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track = (WaveTrack *) iter.Next(); // go to the second linked one
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msg =
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topMsg + wxString::Format( _("Processing second track of stereo pair: %s"), trackName );
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if (!ProcessOne(track, msg, progress, offset2))
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{
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bGoodResult = false;
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break;
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}
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// Use multiplier in the second, processing loop over channels
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auto pOffset = offsets.begin();
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for (auto channel : range) {
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if (false ==
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(bGoodResult = ProcessOne(channel, msg, progress, *pOffset++)) )
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goto break2;
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// TODO: more-than-two-channels-message
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msg = topMsg +
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wxString::Format( _("Processing second track of stereo pair: %s"), trackName);
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}
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}
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//Iterate to the next track
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prevTrack = track;
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track = (WaveTrack *) iter.Next();
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}
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break2:
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this->ReplaceProcessedTracks(bGoodResult);
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return bGoodResult;
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}
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