Metrics for android.media.MediaRecorder (b0bd62f9) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -22448,6 +22448,7 @@ package android.media {
		ctor public MediaRecorder();
		method public static final int getAudioSourceMax();
		method public int getMaxAmplitude() throws java.lang.IllegalStateException;
		method public android.os.Bundle getMetrics();
		method public android.view.Surface getSurface();
		method public void pause() throws java.lang.IllegalStateException;
		method public void prepare() throws java.io.IOException, java.lang.IllegalStateException;

api/system-current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -24068,6 +24068,7 @@ package android.media {
		ctor public MediaRecorder();
		method public static final int getAudioSourceMax();
		method public int getMaxAmplitude() throws java.lang.IllegalStateException;
		method public android.os.Bundle getMetrics();
		method public android.view.Surface getSurface();
		method public void pause() throws java.lang.IllegalStateException;
		method public void prepare() throws java.io.IOException, java.lang.IllegalStateException;

api/test-current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -22540,6 +22540,7 @@ package android.media {
		ctor public MediaRecorder();
		method public static final int getAudioSourceMax();
		method public int getMaxAmplitude() throws java.lang.IllegalStateException;
		method public android.os.Bundle getMetrics();
		method public android.view.Surface getSurface();
		method public void pause() throws java.lang.IllegalStateException;
		method public void prepare() throws java.io.IOException, java.lang.IllegalStateException;

media/java/android/media/MediaRecorder.java

+88 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import android.annotation.NonNull;
		import android.annotation.SystemApi;
		import android.app.ActivityThread;
		import android.hardware.Camera;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.Looper;
		import android.os.Message;
		@@ -1257,6 +1258,93 @@ public class MediaRecorder

		private native void setParameter(String nameValuePair);

		/**
		* Returns Metrics data about the current media container.
		*
		* @return the set of keys and values available for the media being
		* handled by this instance of MediaExtractor. The keys, data types,
		* and meaning are described in the following table.
		*
		* <table style="width: 0%">
		* <thead>
		* <tr>
		* <th>Key</th>
		* <th>Type</th>
		* <th>Description</th>
		* </tr>
		* </thead>
		* <tbody>
		* <tr>
		* <td>{@code "ht"}</td>
		* <td>Integer</td>
		* <td>Height of the recorded video (pixels)</td>
		* </tr><tr>
		* <td>{@code "wid"}</td>
		* <td>Integer</td>
		* <td>Width of the recorded video (pixels)</td>
		* </tr><tr>
		* <td>{@code "frame-rate"}</td>
		* <td>Integer</td>
		* <td>Framerate of captured Video (frames per second)</td>
		* </tr><tr>
		* <td>{@code "video-bitrate"}</td>
		* <td>Integer</td>
		* <td>Bit rate of encoded video (bits per second)</td>
		* </tr><tr>
		* <td>{@code "video-iframe-interval"}</td>
		* <td>Integer</td>
		* <td>Interval between encoded IFrames (seconds)</td>
		* </tr><tr>
		* <td>{@code "video-timescale"}</td>
		* <td>Integer</td>
		* <td></td>
		* </tr><tr>
		* <td>{@code "video-encoder-profile"}</td>
		* <td>Integer</td>
		* <td>Video Encoder Profile, as defined in OpenMAX IL</td>
		* </tr><tr>
		* <td>{@code "video-encoder-level"}</td>
		* <td>Integer</td>
		* <td>Video Encoder Level, as defined in OpenMAX IL</td>
		* </tr><tr>
		* <td>{@code "audio-bitrate"}</td>
		* <td>Integer</td>
		* <td>Bitrate of encoded audio (bits per second)</td>
		* </tr><tr>
		* <td>{@code "audio-samplerate"}</td>
		* <td>Integer</td>
		* <td></td>
		* </tr><tr>
		* <td>{@code "audio-channels"}</td>
		* <td>Integer</td>
		* <td>Number of Audio Channels Captured</td>
		* </tr><tr>
		* <td>{@code "audio-timescale"}</td>
		* <td>Integer</td>
		* <td></td>
		* </tr><tr>
		* <td>{@code "movie-timescale"}</td>
		* <td>Integer</td>
		* <td></td>
		* </tr><tr>
		* <td>{@code "movie-timescale"}</td>
		* <td>Integer</td>
		* <td></td>
		* </tr><tr>
		* <td>{@code "capture-fps"}</td>
		* <td>Integer</td>
		* <td></td>
		* </tr><tr>
		* <td>{@code "rotation"}</td>
		* <td>Integer</td>
		* <td>Orientation of the Video (degrees)</td>
		* </tr>
		* </tbody>
		* </table>
		*/

		public native Bundle getMetrics();

		@Override
		protected void finalize() { native_finalize(); }
		}

media/jni/android_media_MediaRecorder.cpp

+34 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@
		#include <gui/Surface.h>
		#include <camera/Camera.h>
		#include <media/mediarecorder.h>
		#include <media/MediaAnalyticsItem.h>
		#include <media/stagefright/PersistentSurface.h>
		#include <utils/threads.h>

		@@ -35,6 +36,7 @@

		#include "jni.h"
		#include "JNIHelp.h"
		#include "android_media_MediaMetricsJNI.h"
		#include "android_runtime/AndroidRuntime.h"

		#include <system/audio.h>
		@@ -625,6 +627,36 @@ void android_media_MediaRecorder_setInputSurface(
		"java/lang/IllegalArgumentException", "native_setInputSurface failed.");
		}

		static jobject
		android_media_MediaRecorder_getMetrics(JNIEnv *env, jobject thiz)
		{
		ALOGV("android_media_MediaRecorder_getMetrics");

		sp<MediaRecorder> mr = getMediaRecorder(env, thiz);
		if (mr == NULL) {
		jniThrowException(env, "java/lang/IllegalStateException", NULL);
		return NULL;
		}

		// get what we have for the metrics from the codec
		Parcel reply;
		status_t err = mr->getMetrics(&reply);
		if (err != OK) {
		ALOGE("getMetrics failed");
		return (jobject) NULL;
		}

		// build and return the Bundle
		MediaAnalyticsItem *item = new MediaAnalyticsItem;
		item->readFromParcel(reply);
		jobject mybundle = MediaMetricsJNI::writeMetricsToBundle(env, item, NULL);

		// housekeeping
		delete item;
		item = NULL;
		return mybundle;

		}
		// ----------------------------------------------------------------------------

		static const JNINativeMethod gMethods[] = {
		@@ -655,6 +687,8 @@ static const JNINativeMethod gMethods[] = {
		(void *)android_media_MediaRecorder_native_setup},
		{"native_finalize", "()V", (void *)android_media_MediaRecorder_native_finalize},
		{"native_setInputSurface", "(Landroid/view/Surface;)V", (void *)android_media_MediaRecorder_setInputSurface },

		{"getMetrics", "()Landroid/os/Bundle;", (void *)android_media_MediaRecorder_getMetrics},
		};

		// This function only registers the native methods, and is called from