Use decoder values for screen recording size

Some lower end devices were recording videos at a resolution that could
not be played back on device. Using the decoder for the video format,
instead of querying all codecs, should result in a size that will be
playable on the device as is

Fixes: 167978946
Test: manual
Change-Id: Ib3ad7863c9399ba81c010943b2f8a39a27be84af
This commit is contained in:
Beth Thibodeau
2021-09-23 22:00:54 -04:00
parent 72afe9d682
commit 00d3edc97d

View File

@@ -29,8 +29,8 @@ import android.content.Context;
import android.graphics.Bitmap;
import android.hardware.display.DisplayManager;
import android.hardware.display.VirtualDisplay;
import android.media.MediaCodec;
import android.media.MediaCodecInfo;
import android.media.MediaCodecList;
import android.media.MediaFormat;
import android.media.MediaMuxer;
import android.media.MediaRecorder;
@@ -187,77 +187,63 @@ public class ScreenMediaRecorder {
* @param refreshRate Desired refresh rate
* @return array with supported width, height, and refresh rate
*/
private int[] getSupportedSize(final int screenWidth, final int screenHeight, int refreshRate) {
double maxScale = 0;
private int[] getSupportedSize(final int screenWidth, final int screenHeight, int refreshRate)
throws IOException {
String videoType = MediaFormat.MIMETYPE_VIDEO_AVC;
MediaCodecList codecList = new MediaCodecList(MediaCodecList.REGULAR_CODECS);
MediaCodecInfo.VideoCapabilities maxInfo = null;
for (MediaCodecInfo codec : codecList.getCodecInfos()) {
String videoType = MediaFormat.MIMETYPE_VIDEO_AVC;
String[] types = codec.getSupportedTypes();
for (String t : types) {
if (!t.equalsIgnoreCase(videoType)) {
continue;
}
MediaCodecInfo.CodecCapabilities capabilities =
codec.getCapabilitiesForType(videoType);
if (capabilities != null && capabilities.getVideoCapabilities() != null) {
MediaCodecInfo.VideoCapabilities vc = capabilities.getVideoCapabilities();
// Get max size from the decoder, to ensure recordings will be playable on device
MediaCodec decoder = MediaCodec.createDecoderByType(videoType);
MediaCodecInfo.VideoCapabilities vc = decoder.getCodecInfo()
.getCapabilitiesForType(videoType).getVideoCapabilities();
decoder.release();
int width = vc.getSupportedWidths().getUpper();
int height = vc.getSupportedHeights().getUpper();
// Check if we can support screen size as-is
int width = vc.getSupportedWidths().getUpper();
int height = vc.getSupportedHeights().getUpper();
int screenWidthAligned = screenWidth;
if (screenWidthAligned % vc.getWidthAlignment() != 0) {
screenWidthAligned -= (screenWidthAligned % vc.getWidthAlignment());
}
int screenHeightAligned = screenHeight;
if (screenHeightAligned % vc.getHeightAlignment() != 0) {
screenHeightAligned -= (screenHeightAligned % vc.getHeightAlignment());
}
int screenWidthAligned = screenWidth;
if (screenWidthAligned % vc.getWidthAlignment() != 0) {
screenWidthAligned -= (screenWidthAligned % vc.getWidthAlignment());
}
int screenHeightAligned = screenHeight;
if (screenHeightAligned % vc.getHeightAlignment() != 0) {
screenHeightAligned -= (screenHeightAligned % vc.getHeightAlignment());
}
if (width >= screenWidthAligned && height >= screenHeightAligned
&& vc.isSizeSupported(screenWidthAligned, screenHeightAligned)) {
// Desired size is supported, now get the rate
int maxRate = vc.getSupportedFrameRatesFor(screenWidthAligned,
screenHeightAligned).getUpper().intValue();
if (width >= screenWidthAligned && height >= screenHeightAligned
&& vc.isSizeSupported(screenWidthAligned, screenHeightAligned)) {
// Desired size is supported, now get the rate
int maxRate = vc.getSupportedFrameRatesFor(screenWidthAligned,
screenHeightAligned).getUpper().intValue();
if (maxRate < refreshRate) {
refreshRate = maxRate;
}
Log.d(TAG, "Screen size supported at rate " + refreshRate);
return new int[]{screenWidthAligned, screenHeightAligned, refreshRate};
}
// Otherwise, continue searching
double scale = Math.min(((double) width / screenWidth),
((double) height / screenHeight));
if (scale > maxScale) {
maxScale = Math.min(1, scale);
maxInfo = vc;
}
}
if (maxRate < refreshRate) {
refreshRate = maxRate;
}
Log.d(TAG, "Screen size supported at rate " + refreshRate);
return new int[]{screenWidthAligned, screenHeightAligned, refreshRate};
}
// Resize for max supported size
int scaledWidth = (int) (screenWidth * maxScale);
int scaledHeight = (int) (screenHeight * maxScale);
if (scaledWidth % maxInfo.getWidthAlignment() != 0) {
scaledWidth -= (scaledWidth % maxInfo.getWidthAlignment());
// Otherwise, resize for max supported size
double scale = Math.min(((double) width / screenWidth),
((double) height / screenHeight));
int scaledWidth = (int) (screenWidth * scale);
int scaledHeight = (int) (screenHeight * scale);
if (scaledWidth % vc.getWidthAlignment() != 0) {
scaledWidth -= (scaledWidth % vc.getWidthAlignment());
}
if (scaledHeight % maxInfo.getHeightAlignment() != 0) {
scaledHeight -= (scaledHeight % maxInfo.getHeightAlignment());
if (scaledHeight % vc.getHeightAlignment() != 0) {
scaledHeight -= (scaledHeight % vc.getHeightAlignment());
}
// Find max supported rate for size
int maxRate = maxInfo.getSupportedFrameRatesFor(scaledWidth, scaledHeight)
int maxRate = vc.getSupportedFrameRatesFor(scaledWidth, scaledHeight)
.getUpper().intValue();
if (maxRate < refreshRate) {
refreshRate = maxRate;
}
Log.d(TAG, "Resized by " + maxScale + ": " + scaledWidth + ", " + scaledHeight
Log.d(TAG, "Resized by " + scale + ": " + scaledWidth + ", " + scaledHeight
+ ", " + refreshRate);
return new int[]{scaledWidth, scaledHeight, refreshRate};
}