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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/SampleBuffer.java | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/SampleBuffer.java')
-rw-r--r-- | mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/SampleBuffer.java | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/SampleBuffer.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/SampleBuffer.java new file mode 100644 index 0000000000..e6b242708d --- /dev/null +++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/media/SampleBuffer.java @@ -0,0 +1,101 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +package org.mozilla.gecko.media; + +import android.os.Parcel; +import android.os.Parcelable; +import java.io.IOException; +import java.nio.ByteBuffer; +import org.mozilla.gecko.annotation.WrapForJNI; +import org.mozilla.gecko.mozglue.SharedMemory; + +public final class SampleBuffer implements Parcelable { + private SharedMemory mSharedMem; + + /* package */ + public SampleBuffer(final SharedMemory sharedMem) { + mSharedMem = sharedMem; + } + + protected SampleBuffer(final Parcel in) { + mSharedMem = in.readParcelable(SampleBuffer.class.getClassLoader()); + } + + @Override + public void writeToParcel(final Parcel dest, final int flags) { + dest.writeParcelable(mSharedMem, flags); + } + + @Override + public int describeContents() { + return 0; + } + + public static final Creator<SampleBuffer> CREATOR = + new Creator<SampleBuffer>() { + @Override + public SampleBuffer createFromParcel(final Parcel in) { + return new SampleBuffer(in); + } + + @Override + public SampleBuffer[] newArray(final int size) { + return new SampleBuffer[size]; + } + }; + + public int capacity() { + return mSharedMem != null ? mSharedMem.getSize() : 0; + } + + public void readFromByteBuffer(final ByteBuffer src, final int offset, final int size) + throws IOException { + if (!src.isDirect()) { + throw new IOException("SharedMemBuffer only support reading from direct byte buffer."); + } + try { + nativeReadFromDirectBuffer(src, mSharedMem.getPointer(), offset, size); + mSharedMem.flush(); + } catch (final NullPointerException e) { + throw new IOException(e); + } + } + + private static native void nativeReadFromDirectBuffer( + ByteBuffer src, long dest, int offset, int size); + + @WrapForJNI + public void writeToByteBuffer(final ByteBuffer dest, final int offset, final int size) + throws IOException { + if (!dest.isDirect()) { + throw new IOException("SharedMemBuffer only support writing to direct byte buffer."); + } + try { + nativeWriteToDirectBuffer(mSharedMem.getPointer(), dest, offset, size); + } catch (final NullPointerException e) { + throw new IOException(e); + } + } + + private static native void nativeWriteToDirectBuffer( + long src, ByteBuffer dest, int offset, int size); + + public void dispose() { + if (mSharedMem != null) { + mSharedMem.dispose(); + mSharedMem = null; + } + } + + @WrapForJNI + public boolean isValid() { + return mSharedMem != null; + } + + @Override + public String toString() { + return "Buffer: " + mSharedMem; + } +} |