From a0ead0a2d2ce1d114ad3a17d755dddce831abb40 Mon Sep 17 00:00:00 2001
From: Jamie Gennis <jgennis@google.com>
Date: Thu, 23 Aug 2012 20:24:09 -0700
Subject: SurfaceMediaSource: a few fixes / cleanups

- Remove the setting of mStopped to true in onBuffersReleased
- Cleaned up a few function call logs
- Removed the 'reset' method.

Change-Id: I56bab1d5cb2f3e6d59d54698c2e045d796d1849f
---
 include/media/stagefright/SurfaceMediaSource.h |  9 +++------
 media/libstagefright/SurfaceMediaSource.cpp    | 28 +++++++++++---------------
 2 files changed, 15 insertions(+), 22 deletions(-)

diff --git a/include/media/stagefright/SurfaceMediaSource.h b/include/media/stagefright/SurfaceMediaSource.h
index 4a8e221..724c68d 100644
--- a/include/media/stagefright/SurfaceMediaSource.h
+++ b/include/media/stagefright/SurfaceMediaSource.h
@@ -73,10 +73,9 @@ public:
 
     // For the MediaSource interface for use by StageFrightRecorder:
     virtual status_t start(MetaData *params = NULL);
-
-    virtual status_t stop() { return reset(); }
-    virtual status_t read(
-            MediaBuffer **buffer, const ReadOptions *options = NULL);
+    virtual status_t stop();
+    virtual status_t read(MediaBuffer **buffer,
+            const ReadOptions *options = NULL);
     virtual sp<MetaData> getFormat();
 
     // Get / Set the frame rate used for encoding. Default fps = 30
@@ -204,8 +203,6 @@ private:
     // is a frame available for dequeuing
     Condition mFrameAvailableCondition;
 
-    status_t reset();
-
     // Avoid copying and equating and default constructor
     DISALLOW_IMPLICIT_CONSTRUCTORS(SurfaceMediaSource);
 };
diff --git a/media/libstagefright/SurfaceMediaSource.cpp b/media/libstagefright/SurfaceMediaSource.cpp
index f1f444e..f5c8c93 100644
--- a/media/libstagefright/SurfaceMediaSource.cpp
+++ b/media/libstagefright/SurfaceMediaSource.cpp
@@ -46,7 +46,7 @@ SurfaceMediaSource::SurfaceMediaSource(uint32_t bufferWidth, uint32_t bufferHeig
     mNumFramesEncoded(0),
     mFirstFrameTimestamp(0)
 {
-    ALOGV("SurfaceMediaSource::SurfaceMediaSource");
+    ALOGV("SurfaceMediaSource");
 
     if (bufferWidth == 0 || bufferHeight == 0) {
         ALOGE("Invalid dimensions %dx%d", bufferWidth, bufferHeight);
@@ -77,21 +77,19 @@ SurfaceMediaSource::SurfaceMediaSource(uint32_t bufferWidth, uint32_t bufferHeig
 }
 
 SurfaceMediaSource::~SurfaceMediaSource() {
-    ALOGV("SurfaceMediaSource::~SurfaceMediaSource");
-    if (!mStopped) {
-        reset();
-    }
+    ALOGV("~SurfaceMediaSource");
+    CHECK(mStopped == true);
 }
 
 nsecs_t SurfaceMediaSource::getTimestamp() {
-    ALOGV("SurfaceMediaSource::getTimestamp");
+    ALOGV("getTimestamp");
     Mutex::Autolock lock(mMutex);
     return mCurrentTimestamp;
 }
 
 void SurfaceMediaSource::setFrameAvailableListener(
         const sp<FrameAvailableListener>& listener) {
-    ALOGV("SurfaceMediaSource::setFrameAvailableListener");
+    ALOGV("setFrameAvailableListener");
     Mutex::Autolock lock(mMutex);
     mFrameAvailableListener = listener;
 }
@@ -113,6 +111,7 @@ void SurfaceMediaSource::dump(String8& result, const char* prefix,
 
 status_t SurfaceMediaSource::setFrameRate(int32_t fps)
 {
+    ALOGV("setFrameRate");
     Mutex::Autolock lock(mMutex);
     const int MAX_FRAME_RATE = 60;
     if (fps < 0 || fps > MAX_FRAME_RATE) {
@@ -128,13 +127,14 @@ bool SurfaceMediaSource::isMetaDataStoredInVideoBuffers() const {
 }
 
 int32_t SurfaceMediaSource::getFrameRate( ) const {
+    ALOGV("getFrameRate");
     Mutex::Autolock lock(mMutex);
     return mFrameRate;
 }
 
 status_t SurfaceMediaSource::start(MetaData *params)
 {
-    ALOGV("started!");
+    ALOGV("start");
 
     mStartTimeNs = 0;
     int64_t startTimeUs;
@@ -146,18 +146,15 @@ status_t SurfaceMediaSource::start(MetaData *params)
 }
 
 
-status_t SurfaceMediaSource::reset()
+status_t SurfaceMediaSource::stop()
 {
-    ALOGV("Reset");
-
+    ALOGV("stop");
     Mutex::Autolock lock(mMutex);
-    // TODO: Add waiting on mFrameCompletedCondition here?
-    mStopped = true;
 
+    mStopped = true;
     mFrameAvailableCondition.signal();
-    mBufferQueue->consumerDisconnect();
 
-    return OK;
+    return mBufferQueue->consumerDisconnect();
 }
 
 sp<MetaData> SurfaceMediaSource::getFormat()
@@ -376,7 +373,6 @@ void SurfaceMediaSource::onBuffersReleased() {
     Mutex::Autolock lock(mMutex);
 
     mFrameAvailableCondition.signal();
-    mStopped = true;
 
     for (int i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
        mBufferSlot[i] = 0;
-- 
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