fix the lockup at end of ogg bug - return an error in GetPacket when GetNextPage or GetPageAt fails

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6270 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/media/plugins/ogg/OggReaderPlugin.cpp

@@ -284,7 +284,7 @@ OggReader::GetFileFormatInfo(media_file_format *mff)
 status_t
 OggReader::AllocateCookie(int32 streamNumber, void **cookie)
 {
-	TRACE("OggReader::AllocateCookie\n");
+	TRACE("OggReader::AllocateCookie %ld\n", streamNumber);
 	if (streamNumber < 0 || streamNumber > (signed)fCookies.size()) {
 		TRACE("OggReader::AllocateCookie: invalid streamNumber: bail\n");
 		return B_ERROR;
@@ -321,7 +321,7 @@ OggReader::Seek(void *cookie,
 				uint32 seekTo,
 				int64 *frame, bigtime_t *time)
 {
-	TRACE("OggReader::Seek\n");
+	TRACE("OggReader::Seek to %lld : %lld\n",*frame,*time);
 	OggStream * stream = static_cast<OggStream*>(cookie);
 	return stream->Seek(seekTo,frame,time);
 }

src/add-ons/media/plugins/ogg/OggStream.cpp

@@ -83,7 +83,7 @@ OggStream::GetSerial() const
 status_t
 OggStream::AddPage(off_t position, ogg_page * page)
 {
-	TRACE("OggStream::AddPage\n");
+	TRACE("OggStream::AddPage %llu\n",position);
 	if (position >= 0) {
 		fPagePositions.push_back(position);
 	}
@@ -210,7 +210,10 @@ OggStream::GetPacket(ogg_packet * packet)
 		uint old_page = fCurrentPage;
 		uint old_packet = fCurrentPacket;
 		while (ogg_stream_packetpeek(&fStreamState, NULL) != 1) {
-			fReaderInterface->GetNextPage();
+			status_t result = fReaderInterface->GetNextPage();
+			if (result != B_OK) {
+				return result;
+			}
 			fCurrentPage++;
 		}
 		if (ogg_stream_packetout(&fStreamState, packet) != 1) {
@@ -228,7 +231,10 @@ OggStream::GetPacket(ogg_packet * packet)
 		uint pageno = fOggFrameInfos[fCurrentFrame].GetPage();
 		while (ogg_stream_packetpeek(&fSeekStreamState, NULL) != 1) {
 			off_t position = fPagePositions[pageno++];
-			fReaderInterface->GetPageAt(position, &fSeekStreamState);
+			status_t result = fReaderInterface->GetPageAt(position, &fSeekStreamState);
+			if (result != B_OK) {
+				return result;
+			}
 		}
 		if (ogg_stream_packetout(&fSeekStreamState, packet) != 1) {
 			return B_ERROR;

src/add-ons/media/plugins/ogg/OggTobiasStream.cpp

@@ -67,7 +67,7 @@ OggTobiasStream::IsValidHeader(const ogg_packet & packet)
 OggTobiasStream::OggTobiasStream(long serialno)
 	: OggStream(serialno)
 {
-
+	TRACE("OggTobiasStream::OggTobiasStream\n");
 }
 
 OggTobiasStream::~OggTobiasStream()