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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* * 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.util;
import org.mozilla.gecko.annotation.WrapForJNI;
import org.mozilla.gecko.AppConstants.Versions;
import android.media.MediaCodecInfo;
import android.media.MediaCodecInfo.CodecCapabilities;
import android.media.MediaCodecList;
import android.util.Log;
public final class HardwareCodecCapabilityUtils {
private static final String LOGTAG = "GeckoHardwareCodecCapabilityUtils";
// List of supported HW VP8 encoders.
private static final String[] supportedVp8HwEncCodecPrefixes =
{"OMX.qcom.", "OMX.Intel." };
// List of supported HW VP8 decoders.
private static final String[] supportedVp8HwDecCodecPrefixes =
{"OMX.qcom.", "OMX.Nvidia.", "OMX.Exynos.", "OMX.Intel." };
private static final String VP8_MIME_TYPE = "video/x-vnd.on2.vp8";
private static final String VP9_MIME_TYPE = "video/x-vnd.on2.vp9";
// NV12 color format supported by QCOM codec, but not declared in MediaCodec -
// see /hardware/qcom/media/mm-core/inc/OMX_QCOMExtns.h
private static final int
COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m = 0x7FA30C04;
// Allowable color formats supported by codec - in order of preference.
private static final int[] supportedColorList = {
CodecCapabilities.COLOR_FormatYUV420Planar,
CodecCapabilities.COLOR_FormatYUV420SemiPlanar,
CodecCapabilities.COLOR_QCOM_FormatYUV420SemiPlanar,
COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m
};
@WrapForJNI
public static boolean findDecoderCodecInfoForMimeType(String aMimeType) {
for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
if (info.isEncoder()) {
continue;
}
for (String mimeType : info.getSupportedTypes()) {
if (mimeType.equals(aMimeType)) {
return true;
}
}
}
return false;
}
public static boolean getHWEncoderCapability() {
if (Versions.feature20Plus) {
for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
if (!info.isEncoder()) {
continue;
}
String name = null;
for (String mimeType : info.getSupportedTypes()) {
if (mimeType.equals(VP8_MIME_TYPE)) {
name = info.getName();
break;
}
}
if (name == null) {
continue; // No HW support in this codec; try the next one.
}
Log.e(LOGTAG, "Found candidate encoder " + name);
// Check if this is supported encoder.
boolean supportedCodec = false;
for (String codecPrefix : supportedVp8HwEncCodecPrefixes) {
if (name.startsWith(codecPrefix)) {
supportedCodec = true;
break;
}
}
if (!supportedCodec) {
continue;
}
// Check if codec supports either yuv420 or nv12.
CodecCapabilities capabilities =
info.getCapabilitiesForType(VP8_MIME_TYPE);
for (int colorFormat : capabilities.colorFormats) {
Log.v(LOGTAG, " Color: 0x" + Integer.toHexString(colorFormat));
}
for (int supportedColorFormat : supportedColorList) {
for (int codecColorFormat : capabilities.colorFormats) {
if (codecColorFormat == supportedColorFormat) {
// Found supported HW Encoder.
Log.e(LOGTAG, "Found target encoder " + name +
". Color: 0x" + Integer.toHexString(codecColorFormat));
return true;
}
}
}
}
}
// No HW encoder.
return false;
}
public static boolean getHWDecoderCapability() {
return getHWDecoderCapability(VP8_MIME_TYPE);
}
@WrapForJNI
public static boolean HasHWVP9() {
return getHWDecoderCapability(VP9_MIME_TYPE);
}
public static boolean getHWDecoderCapability(String aMimeType) {
if (Versions.feature20Plus) {
for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
if (info.isEncoder()) {
continue;
}
String name = null;
for (String mimeType : info.getSupportedTypes()) {
if (mimeType.equals(aMimeType)) {
name = info.getName();
break;
}
}
if (name == null) {
continue; // No HW support in this codec; try the next one.
}
Log.e(LOGTAG, "Found candidate decoder " + name);
// Check if this is supported decoder.
boolean supportedCodec = false;
for (String codecPrefix : supportedVp8HwDecCodecPrefixes) {
if (name.startsWith(codecPrefix)) {
supportedCodec = true;
break;
}
}
if (!supportedCodec) {
continue;
}
// Check if codec supports either yuv420 or nv12.
CodecCapabilities capabilities =
info.getCapabilitiesForType(aMimeType);
for (int colorFormat : capabilities.colorFormats) {
Log.v(LOGTAG, " Color: 0x" + Integer.toHexString(colorFormat));
}
for (int supportedColorFormat : supportedColorList) {
for (int codecColorFormat : capabilities.colorFormats) {
if (codecColorFormat == supportedColorFormat) {
// Found supported HW decoder.
Log.e(LOGTAG, "Found target decoder " + name +
". Color: 0x" + Integer.toHexString(codecColorFormat));
return true;
}
}
}
}
}
return false; // No HW decoder.
}
}
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