These two visualization components, SceneKit and Core Graphics based,
only use the FFT data. So now make the request drop the PCM data.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
This should improve performance slightly. It's
still recommended to switch off SceneKit to
save CPU usage, or switch of vis entirely.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
Due to a race condition with the visualization control racing with
the Crashlytics consent dialog, it was possible that the repaint
function would be called before the control was fully initialized,
which would cause the visualization drawing code to crash due to
division by zero error.
The fix is two-fold: First guards were added to the borrowed
code so that the draw functions won't run if they would later
divide by zero on an uninitialized width property. Secondly, the
top level visualization windows added a startup variable guard
so their drawing code will return immediately if setup has not
completed yet.
Note that this bug was only just noticed in a recent App Store
submission, but was unrelated to the recent commits to the code
base, and could have triggered much earlier in the development
cycle. Strangely, it did not.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
Stop visualization processing when the host window is completely
occluded, thus reducing background CPU usage levels significantly
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
Now the API makes both PCM and FFT data optional, and will do nothing if
neither are requested. Also, it now supports a latency offset in seconds
with floating point precision. The two built-in visualizations currently
request zero larency. Increasing the latency asks for even older samples
while specifying a negative count requests samples from the "future"
relative to what the listener is hearing.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
The output now uses AVSampleBufferAudioRenderer to play all formats, and
uses that to resample. It also supports Spatial Audio on macOS 12.0 or
newer. Note that there are some outstanding bugs with Spatial Audio
support. Namely that it appears to be limited to only 192 kHz at mono or
stereo, or 352800 Hz at surround configurations. This breaks DSD64
playback at stereo formats, as well as possibly other things. This is
entirely an Apple bug. I have reported it to Apple with reference code
FB10441301 for reference, in case anyone else wants to complain that it
isn't fixed.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
All optional fallback code for older versions has also been removed, and
everything now assumes 10.13.0 or newer. Some cases are still included
for point releases, such as 10.13.2.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
Device name logging is essential in determining if crashes are on
specific device models that haven't been blocklisted.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
The SceneKit visualizer now has a crash check, which will trigger if an
exception is thrown by the app.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-06-17 22:15:14 -07:00
Renamed from Visualization/SpectrumView.m (Browse further)
