Transcoding: Bring up first real transcoding with Java API.

This CL verifies avc to avc transcoding is working.
Still need to verify the transcoding result in the
coming CLs.

Bug: 145628554
Bug: 154734285
Test: Unit test
Change-Id: I2a3ddc31f84775ee2d7b7cf856d9f028a81034c6

1

@@ -0,0 +1,21 @@
+transcoding: Add tests for transcoding to internal/external storage.
+
+Bug: 145628554
+Test: unit testing
+
+Change-Id: If0a75ba3101c7d9261ccae95f8b82f8b41704592
+
+# Please enter the commit message for your changes. Lines starting
+# with '#' will be ignored, and an empty message aborts the commit.
+#
+# Date:      Mon Jun 15 15:44:21 2020 -0700
+# Committer: hkuang <hkuang@google.com>
+#
+# On branch drv6
+# Your branch and 'goog/master' have diverged,
+# and have 1 and 29 different commits each, respectively.
+#   (use "git pull" to merge the remote branch into yours)
+#
+# Changes to be committed:
+#	modified:   media/tests/MediaTranscodingTest/src/com/android/mediatranscodingtest/MediaTranscodeManagerWithMockServiceTest.java
+#

media/tests/MediaTranscodingTest/build_and_run_unit_tests.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+#
+# Run tests in this directory.
+#
+
+if [ -z "$ANDROID_BUILD_TOP" ]; then
+    echo "Android build environment not set"
+    exit -1
+fi
+
+# ensure we have mm
+. $ANDROID_BUILD_TOP/build/envsetup.sh
+
+mm
+
+# Push the files onto the device.
+. $ANDROID_BUILD_TOP/frameworks/av/media/libmediatranscoding/tests/assets/push_assets.sh
+
+echo "[==========] waiting for device"
+adb root && adb wait-for-device remount
+
+echo "[==========] set to use real transcoder"
+adb shell setprop debug.transcoding.simulated_transcoder false;
+adb shell kill -9 `pid media.transcoding`
+
+echo "[==========] build test apk"
+mmm -j16 .
+adb install -r -g ${OUT}/testcases/mediatranscodingtest/arm64/mediatranscodingtest.apk
+
+echo "[==========] running real transcoding tests"
+adb shell am instrument -e class com.android.mediatranscodingtest.MediaTranscodeManagerTest -w com.android.mediatranscodingtest/.MediaTranscodingTestRunner

media/tests/MediaTranscodingTest/src/com/android/mediatranscodingtest/MediaTranscodeManagerTest.java

@@ -22,14 +22,17 @@ import android.media.MediaFormat;
 import android.media.MediaTranscodeManager;
 import android.media.MediaTranscodeManager.TranscodingJob;
 import android.media.MediaTranscodeManager.TranscodingRequest;
-import android.media.TranscodingTestConfig;
 import android.net.Uri;
+import android.os.FileUtils;
 import android.test.ActivityInstrumentationTestCase2;
 import android.util.Log;
 
 import org.junit.Test;
 
 import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.util.concurrent.Executor;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Semaphore;
@@ -59,6 +62,7 @@ public class MediaTranscodeManagerTest
     private Context mContext;
     private MediaTranscodeManager mMediaTranscodeManager = null;
     private Uri mSourceHEVCVideoUri = null;
+    private Uri mSourceAVCVideoUri = null;
     private Uri mDestinationUri = null;
 
     // Setting for transcoding to H.264.
@@ -72,14 +76,24 @@ public class MediaTranscodeManagerTest
     }
 
 
-    private static Uri resourceToUri(Context context, int resId) {
-        Uri uri = new Uri.Builder()
+    // Copy the resource to cache.
+    private Uri resourceToUri(Context context, int resId, String name) throws IOException {
+        Uri resUri = new Uri.Builder()
                 .scheme(ContentResolver.SCHEME_ANDROID_RESOURCE)
                 .authority(context.getResources().getResourcePackageName(resId))
                 .appendPath(context.getResources().getResourceTypeName(resId))
                 .appendPath(context.getResources().getResourceEntryName(resId))
                 .build();
-        return uri;
+
+        Uri cacheUri = Uri.parse(ContentResolver.SCHEME_FILE + "://"
+                + mContext.getCacheDir().getAbsolutePath() + "/" + name);
+
+        InputStream is = mContext.getResources().openRawResource(resId);
+        OutputStream os = mContext.getContentResolver().openOutputStream(cacheUri);
+
+        FileUtils.copy(is, os);
+
+        return cacheUri;
     }
 
     private static Uri generateNewUri(Context context, String filename) {
@@ -111,7 +125,11 @@ public class MediaTranscodeManagerTest
         assertNotNull(mMediaTranscodeManager);
 
         // Setup source HEVC file uri.
-        mSourceHEVCVideoUri = resourceToUri(mContext, R.raw.VideoOnlyHEVC);
+        mSourceHEVCVideoUri = resourceToUri(mContext, R.raw.VideoOnlyHEVC, "VideoOnlyHEVC.mp4");
+
+        // Setup source AVC file uri.
+        mSourceAVCVideoUri = resourceToUri(mContext, R.raw.VideoOnlyAVC,
+                "VideoOnlyAVC.mp4");
 
         // Setup destination file.
         mDestinationUri = generateNewUri(mContext, "transcoded.mp4");
@@ -123,22 +141,26 @@ public class MediaTranscodeManagerTest
     }
 
     @Test
-    public void testTranscodingOneVideo() throws Exception {
+    public void testTranscodingFromAvcToAvc() throws Exception {
         Log.d(TAG, "Starting: testMediaTranscodeManager");
 
         Semaphore transcodeCompleteSemaphore = new Semaphore(0);
-        TranscodingTestConfig testConfig = new TranscodingTestConfig();
-        testConfig.passThroughMode = true;
-        testConfig.processingTotalTimeMs = 300; // minimum time spent on transcoding.
+
+        // Create a file Uri: file:///data/user/0/com.android.mediatranscodingtest/cache/temp.mp4
+        // The full path of this file is:
+        // /data/user/0/com.android.mediatranscodingtest/cache/temp.mp4
+        Uri destinationUri = Uri.parse(ContentResolver.SCHEME_FILE + "://"
+                + mContext.getCacheDir().getAbsolutePath() + "/temp.mp4");
+
+        Log.d(TAG, "Transcoding to " + destinationUri.getPath());
 
         TranscodingRequest request =
                 new TranscodingRequest.Builder()
-                        .setSourceUri(mSourceHEVCVideoUri)
-                        .setDestinationUri(mDestinationUri)
+                        .setSourceUri(mSourceAVCVideoUri)
+                        .setDestinationUri(destinationUri)
                         .setType(MediaTranscodeManager.TRANSCODING_TYPE_VIDEO)
                         .setPriority(MediaTranscodeManager.PRIORITY_REALTIME)
                         .setVideoTrackFormat(createMediaFormat())
-                        .setTestConfig(testConfig)
                         .build();
         Executor listenerExecutor = Executors.newSingleThreadExecutor();
 
@@ -156,6 +178,8 @@ public class MediaTranscodeManagerTest
                     TRANSCODE_TIMEOUT_SECONDS, TimeUnit.SECONDS);
             assertTrue("Transcode failed to complete in time.", finishedOnTime);
         }
+
+        //TODO(hkuang): Verify the transcoded video's psnr to make sure it is correct.
     }
 
 }