Merge "Do not call getEstimatedBandwidth if the streaming is not HTTP-based"

include/media/stagefright/DataSource.h

@@ -38,6 +38,7 @@ public:
         kWantsPrefetching      = 1,
         kStreamedFromLocalHost = 2,
         kIsCachingDataSource   = 4,
+        kIsHTTPBasedSource     = 8,
     };
 
     static sp<DataSource> CreateFromURI(

media/libstagefright/AwesomePlayer.cpp

@@ -715,7 +715,7 @@ void AwesomePlayer::onBufferingUpdate() {
 
 void AwesomePlayer::sendCacheStats() {
     sp<MediaPlayerBase> listener = mListener.promote();
-    if (listener != NULL) {
+    if (listener != NULL && mCachedSource != NULL) {
         int32_t kbps = 0;
         status_t err = mCachedSource->getEstimatedBandwidthKbps(&kbps);
         if (err == OK) {

media/libstagefright/NuCachedSource2.cpp

@@ -203,13 +203,19 @@ NuCachedSource2::~NuCachedSource2() {
 }
 
 status_t NuCachedSource2::getEstimatedBandwidthKbps(int32_t *kbps) {
-    HTTPBase* source = static_cast<HTTPBase *>(mSource.get());
-    return source->getEstimatedBandwidthKbps(kbps);
+    if (mSource->flags() & kIsHTTPBasedSource) {
+        HTTPBase* source = static_cast<HTTPBase *>(mSource.get());
+        return source->getEstimatedBandwidthKbps(kbps);
+    }
+    return ERROR_UNSUPPORTED;
 }
 
 status_t NuCachedSource2::setCacheStatCollectFreq(int32_t freqMs) {
-    HTTPBase *source = static_cast<HTTPBase *>(mSource.get());
-    return source->setBandwidthStatCollectFreq(freqMs);
+    if (mSource->flags() & kIsHTTPBasedSource) {
+        HTTPBase *source = static_cast<HTTPBase *>(mSource.get());
+        return source->setBandwidthStatCollectFreq(freqMs);
+    }
+    return ERROR_UNSUPPORTED;
 }
 
 status_t NuCachedSource2::initCheck() const {
@@ -221,7 +227,9 @@ status_t NuCachedSource2::getSize(off64_t *size) {
 }
 
 uint32_t NuCachedSource2::flags() {
-    return (mSource->flags() & ~kWantsPrefetching) | kIsCachingDataSource;
+    // Remove HTTP related flags since NuCachedSource2 is not HTTP-based.
+    uint32_t flags = mSource->flags() & ~(kWantsPrefetching | kIsHTTPBasedSource);
+    return (flags | kIsCachingDataSource);
 }
 
 void NuCachedSource2::onMessageReceived(const sp<AMessage> &msg) {

media/libstagefright/NuHTTPDataSource.cpp

@@ -464,7 +464,7 @@ status_t NuHTTPDataSource::getSize(off64_t *size) {
 }
 
 uint32_t NuHTTPDataSource::flags() {
-    return kWantsPrefetching;
+    return kWantsPrefetching | kIsHTTPBasedSource;
 }
 
 // static

media/libstagefright/chromium_http/ChromiumHTTPDataSource.cpp

@@ -218,7 +218,7 @@ status_t ChromiumHTTPDataSource::getSize(off64_t *size) {
 }
 
 uint32_t ChromiumHTTPDataSource::flags() {
-    return kWantsPrefetching;
+    return kWantsPrefetching | kIsHTTPBasedSource;
 }
 
 // static

media/libstagefright/include/NuCachedSource2.h

@@ -47,10 +47,14 @@ struct NuCachedSource2 : public DataSource {
 
     size_t cachedSize();
     size_t approxDataRemaining(status_t *finalStatus);
-    status_t setCacheStatCollectFreq(int32_t freqMs);
 
     void resumeFetchingIfNecessary();
+
+    // The following methods are supported only if the
+    // data source is HTTP-based; otherwise, ERROR_UNSUPPORTED
+    // is returned.
     status_t getEstimatedBandwidthKbps(int32_t *kbps);
+    status_t setCacheStatCollectFreq(int32_t freqMs);
 
 protected:
     virtual ~NuCachedSource2();