jianguo
/
webcam-capture-driver-native
Template
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use video stride correctly in windows

This commit is contained in:
Eduardo Ramos Ibáñez 2023-07-05 22:14:33 +02:00
parent d2279aa02a
commit 5d8bf86ea5
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/main/java/com/github/eduramiba/webcamcapture/drivers/capturemanager/CaptureManagerFrameGrabberSession.java
View File

@ -36,6 +36,7 @@ public class CaptureManagerFrameGrabberSession {
private ISession session = null;
private int videoWidth = -1;
private int videoHeight = -1;
private int bytesPerRow = -1;
private int bufferSizeBytes = -1;
private long lastFrameTimestamp = -1;
@ -126,12 +127,12 @@ public class CaptureManagerFrameGrabberSession {
final String videoFormat = MFVideoFormat_RGB32;
final int stride = CaptureManager.getInstance().getICaptureManagerControl().getStrideForBitmapInfoHeader(
this.bytesPerRow = Math.abs(CaptureManager.getInstance().getICaptureManagerControl().getStrideForBitmapInfoHeader(
videoFormat,
videoWidth
);
));
bufferSizeBytes = Math.abs(stride) * videoWidth;
bufferSizeBytes = bytesPerRow * videoHeight;
directBuffer = ByteBuffer.allocateDirect(bufferSizeBytes);
arrayByteBuffer = new byte[bufferSizeBytes];
@ -139,7 +140,7 @@ public class CaptureManagerFrameGrabberSession {
bufferedImage = new BufferedImage(videoWidth, videoHeight, BufferedImage.TYPE_INT_BGR);
sampleModel = new ComponentSampleModel(
DataBuffer.TYPE_BYTE, videoWidth, videoHeight, 4, videoWidth * 4,
DataBuffer.TYPE_BYTE, videoWidth, videoHeight, 4, bytesPerRow,
new int[]{2, 1, 0} // Try {1,2,3}, {3,2,1}, {0,1,2}
);
@ -279,7 +280,7 @@ public class CaptureManagerFrameGrabberSession {
byteBuffer.mark();
byteBuffer.position(0);
pw.setPixels(0, 0, videoWidth, videoHeight, PixelFormat.getByteBgraPreInstance(), byteBuffer, 4 * videoWidth);
pw.setPixels(0, 0, videoWidth, videoHeight, PixelFormat.getByteBgraPreInstance(), byteBuffer, bytesPerRow);
byteBuffer.reset();
}