From 0f32fb3ecfdfaa03acf880a356629d43da3fe2fe Mon Sep 17 00:00:00 2001
From: James Dong <jdong@google.com>
Date: Sat, 14 May 2011 07:22:40 -0700
Subject: Make track informational event optional, depending on system property

o also add a track informational event to return the encoded data in kilo-bytes

Change-Id: I7c383360d57048c8a3606d0b8141ba53e4f4b224
---
 include/media/mediarecorder.h               |  3 +++
 media/java/android/media/MediaRecorder.java |  4 ++++
 media/libstagefright/MPEG4Writer.cpp        | 31 +++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+)

diff --git a/include/media/mediarecorder.h b/include/media/mediarecorder.h
index 59093c9234e2..36bf34ebbd10 100644
--- a/include/media/mediarecorder.h
+++ b/include/media/mediarecorder.h
@@ -179,6 +179,9 @@ enum media_recorder_info_type {
     // The time used to compensate for initial A/V sync.
     MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS      = 1008,
 
+    // Total number of bytes of the media data.
+    MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES          = 1009,
+
     MEDIA_RECORDER_TRACK_INFO_LIST_END             = 2000,
 };
 
diff --git a/media/java/android/media/MediaRecorder.java b/media/java/android/media/MediaRecorder.java
index 961ee1e57f92..0f5a440b0dbb 100644
--- a/media/java/android/media/MediaRecorder.java
+++ b/media/java/android/media/MediaRecorder.java
@@ -860,6 +860,10 @@ public class MediaRecorder
      * {@hide}
      */
     public static final int MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS   = 1008;
+    /** Provide the total number of data (in kilo-bytes) encoded.
+     * {@hide}
+     */
+    public static final int MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES       = 1009;
     /**
      * {@hide}
      */
diff --git a/media/libstagefright/MPEG4Writer.cpp b/media/libstagefright/MPEG4Writer.cpp
index 9dc83a638d05..988392effd54 100644
--- a/media/libstagefright/MPEG4Writer.cpp
+++ b/media/libstagefright/MPEG4Writer.cpp
@@ -33,6 +33,7 @@
 #include <media/stagefright/MediaSource.h>
 #include <media/stagefright/Utils.h>
 #include <media/mediarecorder.h>
+#include <cutils/properties.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -760,7 +761,27 @@ void MPEG4Writer::writeFtypBox(const MetaData *param) {
     endBox();
 }
 
+static bool isTestModeEnabled() {
+#if (PROPERTY_VALUE_MAX < 5)
+#error "PROPERTY_VALUE_MAX must be at least 5"
+#endif
+
+    // Test mode is enabled only if rw.media.record.test system
+    // property is enabled.
+    char value[PROPERTY_VALUE_MAX];
+    if (property_get("rw.media.record.test", value, NULL) &&
+        (!strcasecmp(value, "true") || !strcasecmp(value, "1"))) {
+        return true;
+    }
+    return false;
+}
+
 void MPEG4Writer::sendSessionSummary() {
+    // Send session summary only if test mode is enabled
+    if (!isTestModeEnabled()) {
+        return;
+    }
+
     for (List<ChunkInfo>::iterator it = mChunkInfos.begin();
          it != mChunkInfos.end(); ++it) {
         int trackNum = it->mTrack->getTrackId() << 28;
@@ -2227,6 +2248,12 @@ status_t MPEG4Writer::Track::threadEntry() {
 }
 
 void MPEG4Writer::Track::sendTrackSummary(bool hasMultipleTracks) {
+
+    // Send track summary only if test mode is enabled.
+    if (!isTestModeEnabled()) {
+        return;
+    }
+
     int trackNum = (mTrackId << 28);
 
     mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO,
@@ -2256,6 +2283,10 @@ void MPEG4Writer::Track::sendTrackSummary(bool hasMultipleTracks) {
                     (initialDelayUs) / 1000);
     }
 
+    mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO,
+                    trackNum | MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES,
+                    mMdatSizeBytes / 1024);
+
     if (hasMultipleTracks) {
         mOwner->notify(MEDIA_RECORDER_TRACK_EVENT_INFO,
                     trackNum | MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS,
-- 
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