From ba29002c7aee13c068049037cd14bba6a244da6b Mon Sep 17 00:00:00 2001
From: James Dong <jdong@google.com>
Date: Thu, 9 Dec 2010 15:04:33 -0800
Subject: First step towards renabling Timelapse video recording

Change-Id: I93836b066fb69d5152d3774546a9935057a1f12f
---
 media/libstagefright/CameraSource.cpp          |  7 ++++++-
 media/libstagefright/CameraSourceTimeLapse.cpp | 19 +++++++++++++------
 2 files changed, 19 insertions(+), 7 deletions(-)

(limited to 'media/libstagefright')

diff --git a/media/libstagefright/CameraSource.cpp b/media/libstagefright/CameraSource.cpp
index ed9e865..371c21f 100644
--- a/media/libstagefright/CameraSource.cpp
+++ b/media/libstagefright/CameraSource.cpp
@@ -592,6 +592,11 @@ status_t CameraSource::stop() {
                 mLastFrameTimestampUs - mFirstFrameTimeUs);
     }
 
+    if (mNumGlitches > 0) {
+        LOGW("%d long delays between neighboring video frames during",
+                mNumGlitches);
+    }
+
     CHECK_EQ(mNumFramesReceived, mNumFramesEncoded + mNumFramesDropped);
     return OK;
 }
@@ -712,7 +717,7 @@ void CameraSource::dataCallbackTimestamp(int64_t timestampUs,
     if (mNumFramesReceived > 0 &&
         timestampUs - mLastFrameTimestampUs > mGlitchDurationThresholdUs) {
         if (mNumGlitches % 10 == 0) {  // Don't spam the log
-            LOGW("Long delay detected in video recording");
+            LOGV("Long delay detected in video recording");
         }
         ++mNumGlitches;
     }
diff --git a/media/libstagefright/CameraSourceTimeLapse.cpp b/media/libstagefright/CameraSourceTimeLapse.cpp
index 6fd1825..0b158be 100644
--- a/media/libstagefright/CameraSourceTimeLapse.cpp
+++ b/media/libstagefright/CameraSourceTimeLapse.cpp
@@ -72,7 +72,7 @@ CameraSourceTimeLapse::CameraSourceTimeLapse(
       mLastTimeLapseFrameRealTimestampUs(0),
       mSkipCurrentFrame(false) {
 
-    LOGV("starting time lapse mode");
+    LOGD("starting time lapse mode: %lld us", mTimeBetweenTimeLapseFrameCaptureUs);
     mVideoWidth = videoSize.width;
     mVideoHeight = videoSize.height;
 
@@ -116,9 +116,9 @@ void CameraSourceTimeLapse::startQuickReadReturns() {
 }
 
 bool CameraSourceTimeLapse::trySettingPreviewSize(int32_t width, int32_t height) {
+    LOGV("trySettingPreviewSize: %dx%d", width, height);
     int64_t token = IPCThreadState::self()->clearCallingIdentity();
     String8 s = mCamera->getParameters();
-    IPCThreadState::self()->restoreCallingIdentity(token);
 
     CameraParameters params(s);
     Vector<Size> supportedSizes;
@@ -134,17 +134,24 @@ bool CameraSourceTimeLapse::trySettingPreviewSize(int32_t width, int32_t height)
         }
     }
 
+    bool isSuccessful = false;
     if (previewSizeSupported) {
         LOGV("Video size (%d, %d) is a supported preview size", width, height);
         params.setPreviewSize(width, height);
-        CHECK(mCamera->setParameters(params.flatten()));
-        return true;
+        if (mCamera->setParameters(params.flatten()) == OK) {
+            isSuccessful = true;
+        } else {
+            LOGE("Failed to set preview size to %dx%d", width, height);
+            isSuccessful = false;
+        }
     }
 
-    return false;
+    IPCThreadState::self()->restoreCallingIdentity(token);
+    return isSuccessful;
 }
 
 bool CameraSourceTimeLapse::setPictureSizeToClosestSupported(int32_t width, int32_t height) {
+    LOGV("setPictureSizeToClosestSupported: %dx%d", width, height);
     int64_t token = IPCThreadState::self()->clearCallingIdentity();
     String8 s = mCamera->getParameters();
     IPCThreadState::self()->restoreCallingIdentity(token);
@@ -277,7 +284,6 @@ void CameraSourceTimeLapse::startCameraRecording() {
 
         int64_t token = IPCThreadState::self()->clearCallingIdentity();
         String8 s = mCamera->getParameters();
-        IPCThreadState::self()->restoreCallingIdentity(token);
 
         CameraParameters params(s);
         params.setPictureSize(mPictureWidth, mPictureHeight);
@@ -288,6 +294,7 @@ void CameraSourceTimeLapse::startCameraRecording() {
         // disable shutter sound and play the recording sound.
         mCamera->sendCommand(CAMERA_CMD_ENABLE_SHUTTER_SOUND, 0, 0);
         mCamera->sendCommand(CAMERA_CMD_PLAY_RECORDING_SOUND, 0, 0);
+        IPCThreadState::self()->restoreCallingIdentity(token);
 
         // create a thread which takes pictures in a loop
         pthread_attr_t attr;
-- 
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