Merge "MediaCodec:Add code for YCbCrP010 format support" am: f33f4b6f50 am:... (c941fb50) · Commits · e / os / android_frameworks_base

media/java/android/media/Image.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -163,6 +163,14 @@ public abstract class Image implements AutoCloseable {
		* {@link android.graphics.BitmapFactory#decodeByteArray BitmapFactory#decodeByteArray}.
		* </td>
		* </tr>
		* <tr>
		* <td>{@link android.graphics.ImageFormat#YCBCR_P010 YCBCR_P010}</td>
		* <td>1</td>
		* <td>P010 is a 4:2:0 YCbCr semiplanar format comprised of a WxH Y plane
		* followed by a Wx(H/2) CbCr plane. Each sample is represented by a 16-bit
		* little-endian value, with the lower 6 bits set to zero.
		* </td>
		* </tr>
		* </table>
		*
		* @see android.graphics.ImageFormat

media/java/android/media/MediaCodec.java

+39 −3

Original line number	Diff line number	Diff line
		@@ -5106,7 +5106,6 @@ final public class MediaCodec {
		public MediaImage(
		@NonNull ByteBuffer buffer, @NonNull ByteBuffer info, boolean readOnly,
		long timestamp, int xOffset, int yOffset, @Nullable Rect cropRect) {
		mFormat = ImageFormat.YUV_420_888;
		mTimestamp = timestamp;
		mIsImageValid = true;
		mIsReadOnly = buffer.isReadOnly();
		@@ -5119,6 +5118,11 @@ final public class MediaCodec {

		mBufferContext = 0;

		int cbPlaneOffset = -1;
		int crPlaneOffset = -1;
		int planeOffsetInc = -1;
		int pixelStride = -1;

		// read media-info. See MediaImage2
		if (info.remaining() == 104) {
		int type = info.getInt();
		@@ -5136,14 +5140,27 @@ final public class MediaCodec {
		"unsupported size: " + mWidth + "x" + mHeight);
		}
		int bitDepth = info.getInt();
		if (bitDepth != 8) {
		if (bitDepth != 8 && bitDepth != 10) {
		throw new UnsupportedOperationException("unsupported bit depth: " + bitDepth);
		}
		int bitDepthAllocated = info.getInt();
		if (bitDepthAllocated != 8) {
		if (bitDepthAllocated != 8 && bitDepthAllocated != 16) {
		throw new UnsupportedOperationException(
		"unsupported allocated bit depth: " + bitDepthAllocated);
		}
		if (bitDepth == 8 && bitDepthAllocated == 8) {
		mFormat = ImageFormat.YUV_420_888;
		planeOffsetInc = 1;
		pixelStride = 2;
		} else if (bitDepth == 10 && bitDepthAllocated == 16) {
		mFormat = ImageFormat.YCBCR_P010;
		planeOffsetInc = 2;
		pixelStride = 4;
		} else {
		throw new UnsupportedOperationException("couldn't infer ImageFormat"
		+ " bitDepth: " + bitDepth + " bitDepthAllocated: " + bitDepthAllocated);
		}

		mPlanes = new MediaPlane[numPlanes];
		for (int ix = 0; ix < numPlanes; ix++) {
		int planeOffset = info.getInt();
		@@ -5165,12 +5182,31 @@ final public class MediaCodec {
		buffer.limit(buffer.position() + Utils.divUp(bitDepth, 8)
		+ (mHeight / vert - 1) * rowInc + (mWidth / horiz - 1) * colInc);
		mPlanes[ix] = new MediaPlane(buffer.slice(), rowInc, colInc);
		if ((mFormat == ImageFormat.YUV_420_888 \|\| mFormat == ImageFormat.YCBCR_P010)
		&& ix == 1) {
		cbPlaneOffset = planeOffset;
		} else if ((mFormat == ImageFormat.YUV_420_888
		\|\| mFormat == ImageFormat.YCBCR_P010) && ix == 2) {
		crPlaneOffset = planeOffset;
		}
		}
		} else {
		throw new UnsupportedOperationException(
		"unsupported info length: " + info.remaining());
		}

		// Validate chroma semiplanerness.
		if (mFormat == ImageFormat.YCBCR_P010) {
		if (crPlaneOffset != cbPlaneOffset + planeOffsetInc) {
		throw new UnsupportedOperationException("Invalid plane offsets"
		+ " cbPlaneOffset: " + cbPlaneOffset + " crPlaneOffset: " + crPlaneOffset);
		}
		if (mPlanes[1].getPixelStride() != pixelStride
		\|\| mPlanes[2].getPixelStride() != pixelStride) {
		throw new UnsupportedOperationException("Invalid pixelStride");
		}
		}

		if (cropRect == null) {
		cropRect = new Rect(0, 0, mWidth, mHeight);
		}