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Merge "MediaCodec:Add code for YCbCrP010 format support"

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Treehugger Robot
2021-11-29 15:10:11 +00:00
committed by Gerrit Code Review
parent fcab8baf60 655ca9f343
commit f33f4b6f50
2 changed files with 47 additions and 3 deletions
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8
media/java/android/media/Image.java
View File

@@ -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

42
media/java/android/media/MediaCodec.java
View File

@@ -5107,7 +5107,6 @@ 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();
@@ -5120,6 +5119,11 @@ 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();
@@ -5137,14 +5141,27 @@ 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();
@@ -5166,12 +5183,31 @@ 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);
}