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feat(postit): add live capture previews on Android and Desktop

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Reuse oriented Android EGL frames and duplicate Desktop video output before encoding without microphone monitoring. Cover preview lifecycle, rendering and recording with targeted tests and document the feature.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Paul Schneider 2026-10-25 01:03:36 +00:00
commit c2068f1476
Signed by: notazof
GPG key ID: AD4B9B545FBD7D12
14 changed files with 469 additions and 27 deletions
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5
src/PostIt/PostIt.Android/Services/AndroidPodcastCapture.cs
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@ -27,6 +27,8 @@ internal sealed class AndroidPodcastCapture : IPodcastCapture
private CameraCaptureSession? _session;
private MediaRecorder? _recorder;
private AndroidCameraFrameRotator? _rotator;
private AndroidCapturePreview? _preview;
public Avalonia.Controls.Control? Preview => _preview;
private Surface? _surface;
private ParcelFileDescriptor? _readPipe;
private ParcelFileDescriptor? _writePipe;
@ -160,6 +162,7 @@ internal sealed class AndroidPodcastCapture : IPodcastCapture
if (_stopRequested) throw new System.OperationCanceledException("Demarrage de la capture annule.");
_surface = _recorder.Surface ?? throw new InvalidOperationException("Surface encodeur indisponible.");
_rotator = await AndroidCameraFrameRotator.CreateAsync(_surface, size.Width, size.Height, rotation, Fail);
_preview = new AndroidCapturePreview(_rotator);
ct.ThrowIfCancellationRequested();
if (_stopRequested) throw new System.OperationCanceledException("Demarrage de la capture annule.");
var cameraSurface = _rotator.CameraSurface;
@ -286,6 +289,8 @@ internal sealed class AndroidPodcastCapture : IPodcastCapture
{
if (_stopped) return;
_stopped = true;
if (_preview is not null)
await Avalonia.Threading.Dispatcher.UIThread.InvokeAsync(_preview.Dispose);
await Task.Run(StopNative);
await _pump;
}