Paul Schneider
ed75f06fb2
Rotate camera frames before encoding while accounting for Camera2 texture transforms. Align camera timestamps with MediaRecorder and cover capture duration, tracks and rotation with regression tests. Include LibVLC ProGuard rules and update documentation and changelog. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
61 lines
2.4 KiB
C#
61 lines
2.4 KiB
C#
using PostIt.Android.Services;
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namespace PostIt.Tests;
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public sealed class CameraFrameOrientationTests
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{
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[Theory]
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[InlineData(90, 0, false, 90)]
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[InlineData(90, 90, false, 0)]
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[InlineData(90, 180, false, 270)]
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[InlineData(90, 270, false, 180)]
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[InlineData(270, 0, true, 270)]
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[InlineData(270, 90, true, 0)]
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[InlineData(270, 180, true, 90)]
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[InlineData(270, 270, true, 180)]
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[InlineData(0, 90, false, 270)]
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[InlineData(180, 270, true, 90)]
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public void Uses_sensor_display_and_lens_facing(int sensor, int display, bool front, int expected)
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=> Assert.Equal(expected, CameraFrameOrientation.GetRotation(sensor, display, front));
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[Theory]
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[InlineData(0, new float[] { 0, 0, 1, 0, 0, 1, 1, 1 })]
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[InlineData(90, new float[] { 1, 0, 1, 1, 0, 0, 0, 1 })]
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[InlineData(180, new float[] { 1, 1, 0, 1, 1, 0, 0, 0 })]
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[InlineData(270, new float[] { 0, 1, 0, 0, 1, 1, 1, 0 })]
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public void Maps_output_corners_to_input_for_clockwise_rotation(int rotation, float[] expected)
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=> Assert.Equal(expected, CameraFrameOrientation.GetTextureCoordinates(rotation));
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[Theory]
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[InlineData(90, 0, -1, 0)]
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[InlineData(270, 0, 1, 0)]
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[InlineData(180, -1, 0, 0)]
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[InlineData(90, 1, 0, 90)]
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[InlineData(270, 1, 0, 270)]
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[InlineData(0, 0, -1, 270)]
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[InlineData(180, 0, -1, 90)]
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public void Does_not_repeat_rotation_already_in_surface_texture(
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int desired, float x, float y, int expected)
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{
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float[] matrix = [x, y, 0, 0, y, -x, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1];
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Assert.Equal(expected, CameraFrameOrientation.GetRemainingRotation(desired, matrix));
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}
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[Fact]
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public void Recognizes_the_measured_rear_camera_transform_even_with_cropping()
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{
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float[] matrix = [0, -0.9f, 0, 0, -0.8f, 0, 0, 0, 0, 0, 1, 0, 0.9f, 0.95f, 0, 1];
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Assert.Equal(0, CameraFrameOrientation.GetRemainingRotation(90, matrix));
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}
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[Theory]
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[InlineData(-90)]
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[InlineData(45)]
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[InlineData(360)]
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public void Rejects_invalid_angles(int rotation)
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{
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Assert.Throws<ArgumentOutOfRangeException>(() => CameraFrameOrientation.GetRotation(rotation, 0, false));
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Assert.Throws<ArgumentOutOfRangeException>(() => CameraFrameOrientation.GetRotation(90, rotation, false));
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Assert.Throws<ArgumentOutOfRangeException>(() => CameraFrameOrientation.GetTextureCoordinates(rotation));
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}
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}
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