Commit Graph

9 Commits (01c38c944048a9f65adf9873f1d6b7f4f8b41d7c)

Author SHA1 Message Date
Christopher Snowhill c612994cb2 Move most large stack using buffers to the heap
This should solve most potential future stack overflows.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-07-24 18:41:50 -07:00
Christopher Snowhill 33e1086842 [Visualization Controller] Minor guard check
Guard check in case visualization controller is called before any data
is posted to it.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-07-11 14:41:09 -07:00
Christopher Snowhill 6f6b5d6986 [Visualization System] Change API a bit
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>
2022-06-26 05:39:24 -07:00
Christopher Snowhill 5f52a4be81 [Audio Output] Better handle latency oddities
The visualization buffer now holds up to 45 seconds of loop, and the
latency measurement code now caps this at 30 seconds, and restarts the
output if latency exceeds 30 seconds, such as if a sound output is
reset.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-06-26 01:09:01 -07:00
Christopher Snowhill 8af32e8d2e Replace Core Audio output with Core Media runtime
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>
2022-06-23 23:22:41 -07:00
Christopher Snowhill 4f5e4eca36 Fix visualization for variable audio block sizes
IN A.D. 2101, WAR WAS BEGINNING. *boom*

Yeah, this was a dumb bug, I didn't realize that AUAudioUnit would just
arbitrarily ignore my configured block size and request a different one.

The AirPods Pro will just request 480 instead of the 512 I ask for, so
let's instead support variable block sizes, and only take up to the last
4096 samples of the chunk fed to the output device.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-02-16 21:54:55 -08:00
Christopher Snowhill 6d052bc1ac Visualization: Increase temporal resolution
By reducing the window size, we have a more responsive visualization.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-02-15 23:22:47 -08:00
Christopher Snowhill 344ceb173d Visualization: Increased fft size, imported code
Boy, I just be outright stealing code now. But it looks nicer now.

Fixes #234

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-02-13 12:18:58 -08:00
Christopher Snowhill 417687600b Implement visualization support and a spectrum
Borrowing some DFT code from deadbeef, this implements a simple spectrum
visualization into the main toolbar of the app.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>
2022-02-12 23:04:03 -08:00