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Code Issues Releases Wiki Activity

Move some fields into ScrubbingOptions

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This commit is contained in:
Paul Licameli 2016-05-20 00:03:16 -04:00
parent 671f60492d
commit ffe596c760
4 changed files with 44 additions and 64 deletions
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33
src/AudioIO.cpp
View File

@ -1590,30 +1590,27 @@ int AudioIO::StartStream(const WaveTrackArray &playbackTracks,
mCaptureBuffers = NULL;
mResample = NULL;
double playbackTime = 4.0;
#ifdef EXPERIMENTAL_SCRUBBING_SUPPORT
bool scrubbing = (options.pScrubbingOptions != nullptr);
// Scrubbing is not compatible with looping or recording or a time track!
double maxScrubSpeed = options.maxScrubSpeed;
double minScrubStutter = options.minScrubStutter;
const double scrubDelay = scrubbing
? lrint(options.scrubDelay * sampleRate) / sampleRate
: -1;
if (scrubbing)
{
const auto &scrubOptions = *options.pScrubbingOptions;
if (mCaptureTracks->size() > 0 ||
mPlayMode == PLAY_LOOPED ||
mTimeTrack != NULL ||
options.maxScrubSpeed <
ScrubbingOptions::MinAllowedScrubSpeed())
{
scrubOptions.maxSpeed < ScrubbingOptions::MinAllowedScrubSpeed()) {
wxASSERT(false);
scrubbing = false;
}
}
if (scrubbing)
{
mPlayMode = PLAY_SCRUB;
else {
playbackTime = lrint(scrubOptions.delay * sampleRate) / sampleRate;
mPlayMode = PLAY_SCRUB;
}
}
#endif
@ -1654,11 +1651,6 @@ int AudioIO::StartStream(const WaveTrackArray &playbackTracks,
// mouse input, so make fillings more and shorter.
// What Audio thread produces for playback is then consumed by the PortAudio
// thread, in many smaller pieces.
double playbackTime = 4.0;
#ifdef EXPERIMENTAL_SCRUBBING_SUPPORT
if (scrubbing)
playbackTime = scrubDelay;
#endif
mPlaybackSamplesToCopy = playbackTime * mRate;
// Capacity of the playback buffer.
@ -1875,10 +1867,11 @@ int AudioIO::StartStream(const WaveTrackArray &playbackTracks,
delete mScrubQueue;
if (scrubbing)
{
const auto &scrubOptions = *options.pScrubbingOptions;
mScrubQueue =
new ScrubQueue(mT0, mT1, options.scrubStartClockTimeMillis,
0.0, options.maxScrubTime,
sampleRate, maxScrubSpeed, minScrubStutter,
new ScrubQueue(mT0, mT1, scrubOptions.startClockTimeMillis,
0.0, scrubOptions.maxTime,
sampleRate, scrubOptions.maxSpeed, scrubOptions.minStutter,
*options.pScrubbingOptions);
mScrubDuration = 0;
mSilentScrub = false;

24
src/AudioIO.h
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@ -99,13 +99,6 @@ struct AudioIOStartStreamOptions
, cutPreviewGapStart(0.0)
, cutPreviewGapLen(0.0)
, pStartTime(NULL)
#ifdef EXPERIMENTAL_SCRUBBING_SUPPORT
, scrubDelay(0.0)
, maxScrubSpeed(1.0)
, minScrubStutter(0.0)
, scrubStartClockTimeMillis(-1)
, maxScrubTime(0.0)
#endif
{}
TimeTrack *timeTrack;
@ -117,23 +110,6 @@ struct AudioIOStartStreamOptions
double * pStartTime;
#ifdef EXPERIMENTAL_SCRUBBING_SUPPORT
double scrubDelay;
// We need a limiting value for the speed of the first scrub
// interval:
double maxScrubSpeed;
// When maximum speed scrubbing skips to follow the mouse,
// this is the minimum amount of playback at the maximum speed:
double minScrubStutter;
// Scrubbing needs the time of start of the mouse movement that began
// the scrub:
wxLongLong scrubStartClockTimeMillis;
// usually from TrackList::GetEndTime()
double maxScrubTime;
// Non-null value indicates that scrubbing will happen
// (do not specify a time track, looping, or recording, which
// are all incompatible with scrubbing):

31
src/tracks/ui/Scrubbing.cpp
View File

@ -142,11 +142,9 @@ void Scrubber::ScrubPoller::Notify()
Scrubber::Scrubber(AudacityProject *project)
: mScrubToken(-1)
, mScrubStartClockTimeMillis(-1)
, mPaused(true)
, mScrubSpeedDisplayCountdown(0)
, mScrubStartPosition(-1)
, mMaxScrubSpeed(-1.0)
, mScrubSeekPress(false)
#ifdef EXPERIMENTAL_SCRUBBING_SCROLL_WHEEL
, mSmoothScrollingScrub(false)
@ -243,7 +241,7 @@ void Scrubber::MarkScrubStart(
ctb->UpdateStatusBar(mProject);
mScrubStartPosition = xx;
mScrubStartClockTimeMillis = ::wxGetLocalTimeMillis();
mOptions.startClockTimeMillis = ::wxGetLocalTimeMillis();
CheckMenuItem();
}
@ -300,23 +298,22 @@ bool Scrubber::MaybeStartScrubbing(wxCoord xx)
AudioIOStartStreamOptions options(mProject->GetDefaultPlayOptions());
options.pScrubbingOptions = &mOptions;
options.timeTrack = NULL;
options.scrubDelay = (ScrubPollInterval_ms / 1000.0);
options.scrubStartClockTimeMillis = mScrubStartClockTimeMillis;
options.minScrubStutter = 0.2;
mOptions.delay = (ScrubPollInterval_ms / 1000.0);
mOptions.minStutter = 0.2;
#ifdef USE_TRANSCRIPTION_TOOLBAR
if (!mAlwaysSeeking) {
// Take the starting speed limit from the transcription toolbar,
// but it may be varied during the scrub.
mMaxScrubSpeed = options.maxScrubSpeed =
mOptions.maxSpeed =
mProject->GetTranscriptionToolBar()->GetPlaySpeed();
}
#else
// That idea seems unpopular... just make it one for move-scrub,
// but big for drag-scrub
mMaxScrubSpeed = options.maxScrubSpeed =
mOptions.maxSpeed =
mDragging ? ScrubbingOptions::MaxAllowedScrubSpeed() : 1.0;
#endif
options.maxScrubTime = mProject->GetTracks()->GetEndTime();
mOptions.maxTime = mProject->GetTracks()->GetEndTime();
ControlToolBar::PlayAppearance appearance =
ControlToolBar::PlayAppearance::Scrub;
const bool cutPreview = false;
@ -325,7 +322,7 @@ bool Scrubber::MaybeStartScrubbing(wxCoord xx)
static const double maxScrubSpeedBase =
pow(2.0, 1.0 / ScrubSpeedStepsPerOctave);
mLogMaxScrubSpeed = floor(0.5 +
log(mMaxScrubSpeed) / log(maxScrubSpeedBase)
log(mOptions.maxSpeed) / log(maxScrubSpeedBase)
);
#endif
mScrubSpeedDisplayCountdown = 0;
@ -336,7 +333,7 @@ bool Scrubber::MaybeStartScrubbing(wxCoord xx)
}
else
// Wait to test again
mScrubStartClockTimeMillis = ::wxGetLocalTimeMillis();
mOptions.startClockTimeMillis = ::wxGetLocalTimeMillis();
if (IsScrubbing()) {
using Mode = AudacityProject::PlaybackScroller::Mode;
@ -392,7 +389,7 @@ void Scrubber::ContinueScrubbing()
// When paused, enqueue silent scrubs.
mOptions.adjustStart = false;
mOptions.enqueueBySpeed = true;
result = gAudioIO->EnqueueScrub(0, mMaxScrubSpeed, mOptions);
result = gAudioIO->EnqueueScrub(0, mOptions.maxSpeed, mOptions);
}
else if (mDragging && mSmoothScrollingScrub) {
const auto lastTime = gAudioIO->GetLastTimeInScrubQueue();
@ -400,7 +397,7 @@ void Scrubber::ContinueScrubbing()
const double time = viewInfo.OffsetTimeByPixels(lastTime, delta);
mOptions.adjustStart = true;
mOptions.enqueueBySpeed = false;
result = gAudioIO->EnqueueScrub(time, mMaxScrubSpeed, mOptions);
result = gAudioIO->EnqueueScrub(time, mOptions.maxSpeed, mOptions);
mLastScrubPosition = position.x;
}
else {
@ -413,11 +410,11 @@ void Scrubber::ContinueScrubbing()
if (mSmoothScrollingScrub) {
const double speed = FindScrubSpeed(seek, time);
mOptions.enqueueBySpeed = true;
result = gAudioIO->EnqueueScrub(speed, mMaxScrubSpeed, mOptions);
result = gAudioIO->EnqueueScrub(speed, mOptions.maxSpeed, mOptions);
}
else {
mOptions.enqueueBySpeed = false;
result = gAudioIO->EnqueueScrub(time, seek ? 1.0 : mMaxScrubSpeed, mOptions);
result = gAudioIO->EnqueueScrub(time, seek ? 1.0 : mOptions.maxSpeed, mOptions);
}
}
@ -489,7 +486,7 @@ double Scrubber::FindScrubSpeed(bool seeking, double time) const
ViewInfo &viewInfo = mProject->GetViewInfo();
const double screen = mProject->GetScreenEndTime() - viewInfo.h;
return (seeking ? FindSeekSpeed : FindScrubbingSpeed)
(viewInfo, mMaxScrubSpeed, screen, time);
(viewInfo, mOptions.maxSpeed, screen, time);
}
void Scrubber::HandleScrollWheel(int steps)
@ -505,7 +502,7 @@ void Scrubber::HandleScrollWheel(int steps)
if (newSpeed >= ScrubbingOptions::MinAllowedScrubSpeed() &&
newSpeed <= ScrubbingOptions::MaxAllowedScrubSpeed()) {
mLogMaxScrubSpeed = newLogMaxScrubSpeed;
mMaxScrubSpeed = newSpeed;
mOptions.maxSpeed = newSpeed;
if (!mSmoothScrollingScrub)
// Show the speed for one second
mScrubSpeedDisplayCountdown = kOneSecondCountdown + 1;

20
src/tracks/ui/Scrubbing.h
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@ -29,6 +29,22 @@ struct ScrubbingOptions {
bool enqueueBySpeed {};
double delay {};
// A limiting value for the speed of a scrub interval:
double maxSpeed { 1.0 };
// When maximum speed scrubbing skips to follow the mouse,
// this is the minimum amount of playback allowed at the maximum speed:
double minStutter {};
// Scrubbing needs the time of start of the mouse movement that began
// the scrub:
wxLongLong startClockTimeMillis { -1 };
// usually from TrackList::GetEndTime()
double maxTime {};
static double MaxAllowedScrubSpeed()
{ return 32.0; } // Is five octaves enough for your amusement?
static double MinAllowedScrubSpeed()
@ -75,7 +91,7 @@ public:
bool ShouldDrawScrubSpeed();
double FindScrubSpeed(bool seeking, double time) const;
double GetMaxScrubSpeed() const { return mMaxScrubSpeed; }
double GetMaxScrubSpeed() const { return mOptions.maxSpeed; }
void HandleScrollWheel(int steps);
@ -123,12 +139,10 @@ private:
private:
int mScrubToken;
wxLongLong mScrubStartClockTimeMillis;
bool mPaused;
int mScrubSpeedDisplayCountdown;
wxCoord mScrubStartPosition;
wxCoord mLastScrubPosition {};
double mMaxScrubSpeed;
bool mScrubSeekPress;
bool mSmoothScrollingScrub;
bool mAlwaysSeeking {};