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@ -10,15 +10,13 @@ import android.opengl.Matrix; |
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import android.os.Build; |
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import com.otaliastudios.cameraview.PictureResult; |
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import com.otaliastudios.cameraview.internal.GlTextureDrawer; |
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import com.otaliastudios.cameraview.internal.egl.EglBaseSurface; |
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import com.otaliastudios.cameraview.overlay.Overlay; |
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import com.otaliastudios.cameraview.controls.Facing; |
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import com.otaliastudios.cameraview.engine.CameraEngine; |
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import com.otaliastudios.cameraview.engine.offset.Axis; |
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import com.otaliastudios.cameraview.engine.offset.Reference; |
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import com.otaliastudios.cameraview.internal.egl.EglCore; |
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import com.otaliastudios.cameraview.internal.egl.EglViewport; |
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import com.otaliastudios.cameraview.internal.egl.EglWindowSurface; |
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import com.otaliastudios.cameraview.internal.CropHelper; |
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import com.otaliastudios.cameraview.internal.WorkerHandler; |
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import com.otaliastudios.cameraview.overlay.OverlayDrawer; |
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@ -28,6 +26,9 @@ import com.otaliastudios.cameraview.preview.RendererThread; |
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import com.otaliastudios.cameraview.filter.Filter; |
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import com.otaliastudios.cameraview.size.AspectRatio; |
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import com.otaliastudios.cameraview.size.Size; |
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import com.otaliastudios.opengl.core.EglCore; |
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import com.otaliastudios.opengl.surface.EglSurface; |
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import com.otaliastudios.opengl.surface.EglWindowSurface; |
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import androidx.annotation.NonNull; |
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import androidx.annotation.WorkerThread; |
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@ -62,12 +63,7 @@ public class SnapshotGlPictureRecorder extends SnapshotPictureRecorder { |
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private Overlay mOverlay; |
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private boolean mHasOverlay; |
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private OverlayDrawer mOverlayDrawer; |
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private int mTextureId; |
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private float[] mTransform; |
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private EglViewport mViewport; |
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private GlTextureDrawer mTextureDrawer; |
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public SnapshotGlPictureRecorder( |
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@NonNull PictureResult.Stub stub, |
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@ -114,14 +110,10 @@ public class SnapshotGlPictureRecorder extends SnapshotPictureRecorder { |
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@RendererThread |
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@TargetApi(Build.VERSION_CODES.KITKAT) |
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protected void onRendererTextureCreated(int textureId) { |
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mTextureId = textureId; |
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mViewport = new EglViewport(); |
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mTextureDrawer = new GlTextureDrawer(textureId); |
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// Need to crop the size.
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Rect crop = CropHelper.computeCrop(mResult.size, mOutputRatio); |
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mResult.size = new Size(crop.width(), crop.height()); |
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mTransform = new float[16]; |
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Matrix.setIdentityM(mTransform, 0); |
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if (mHasOverlay) { |
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mOverlayDrawer = new OverlayDrawer(mOverlay, mResult.size); |
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} |
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@ -131,7 +123,7 @@ public class SnapshotGlPictureRecorder extends SnapshotPictureRecorder { |
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@RendererThread |
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@TargetApi(Build.VERSION_CODES.KITKAT) |
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protected void onRendererFilterChanged(@NonNull Filter filter) { |
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mViewport.setFilter(filter.copy()); |
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mTextureDrawer.setFilter(filter.copy()); |
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} |
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@SuppressWarnings("WeakerAccess") |
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@ -194,8 +186,9 @@ public class SnapshotGlPictureRecorder extends SnapshotPictureRecorder { |
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// 1. Create an EGL surface
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final EglCore core = new EglCore(eglContext, EglCore.FLAG_RECORDABLE); |
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final EglBaseSurface eglSurface = new EglWindowSurface(core, fakeOutputSurface); |
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final EglSurface eglSurface = new EglWindowSurface(core, fakeOutputSurface); |
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eglSurface.makeCurrent(); |
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final float[] transform = mTextureDrawer.getTextureTransform(); |
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// 2. Apply scale and crop
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boolean flip = mEngine.getAngles().flip(Reference.VIEW, Reference.SENSOR); |
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@ -203,17 +196,17 @@ public class SnapshotGlPictureRecorder extends SnapshotPictureRecorder { |
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float realScaleY = flip ? scaleX : scaleY; |
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float scaleTranslX = (1F - realScaleX) / 2F; |
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float scaleTranslY = (1F - realScaleY) / 2F; |
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Matrix.translateM(mTransform, 0, scaleTranslX, scaleTranslY, 0); |
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Matrix.scaleM(mTransform, 0, realScaleX, realScaleY, 1); |
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Matrix.translateM(transform, 0, scaleTranslX, scaleTranslY, 0); |
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Matrix.scaleM(transform, 0, realScaleX, realScaleY, 1); |
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// 3. Apply rotation and flip
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Matrix.translateM(mTransform, 0, 0.5F, 0.5F, 0); // Go back to 0,0
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Matrix.rotateM(mTransform, 0, -mResult.rotation, 0, 0, 1); // Rotate (not sure why we need the minus)
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Matrix.translateM(transform, 0, 0.5F, 0.5F, 0); // Go back to 0,0
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Matrix.rotateM(transform, 0, -mResult.rotation, 0, 0, 1); // Rotate (not sure why we need the minus)
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mResult.rotation = 0; |
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if (mResult.facing == Facing.FRONT) { // 5. Flip horizontally for front camera
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Matrix.scaleM(mTransform, 0, -1, 1, 1); |
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Matrix.scaleM(transform, 0, -1, 1, 1); |
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} |
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Matrix.translateM(mTransform, 0, -0.5F, -0.5F, 0); // Go back to old position
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Matrix.translateM(transform, 0, -0.5F, -0.5F, 0); // Go back to old position
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// 4. Do pretty much the same for overlays
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if (mHasOverlay) { |
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@ -232,13 +225,13 @@ public class SnapshotGlPictureRecorder extends SnapshotPictureRecorder { |
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// 5. Draw and save
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long timestampUs = surfaceTexture.getTimestamp() / 1000L; |
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LOG.i("takeFrame:", "timestampUs:", timestampUs); |
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mViewport.draw(timestampUs, mTextureId, mTransform); |
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mTextureDrawer.draw(timestampUs); |
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if (mHasOverlay) mOverlayDrawer.render(timestampUs); |
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mResult.data = eglSurface.saveFrameTo(Bitmap.CompressFormat.JPEG); |
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mResult.data = eglSurface.toByteArray(Bitmap.CompressFormat.JPEG); |
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// 6. Cleanup
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eglSurface.releaseEglSurface(); |
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mViewport.release(); |
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eglSurface.release(); |
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mTextureDrawer.release(); |
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fakeOutputSurface.release(); |
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if (mHasOverlay) mOverlayDrawer.release(); |
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core.release(); |
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