perfect replay

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6276 a95241bf-73f2-0310-859d-f6bbb57e9c96

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

@@ -8,6 +8,12 @@ OggFrameInfo::OggFrameInfo(uint page, uint packetonpage, uint packet)
 	this->packet = packet;
 }
 
+void
+OggFrameInfo::SetNext(uint page, uint packetonpage, uint packet)
+{
+	nextpage = page;
+	nextpacketonpage = packetonpage;
+}
 
 /* virtual */
 OggFrameInfo::~OggFrameInfo()
@@ -31,3 +37,21 @@ OggFrameInfo::GetPacket() const
 {
 	return packet;
 }
+
+uint
+OggFrameInfo::GetNextPage() const
+{
+	return nextpage;
+}
+
+uint
+OggFrameInfo::GetNextPacketOnPage() const
+{
+	return nextpacketonpage;
+}
+
+uint
+OggFrameInfo::GetNextPacket() const
+{
+	return packet+1;
+}

src/add-ons/media/plugins/ogg/OggFrameInfo.h

@@ -7,14 +7,21 @@ class OggFrameInfo {
 public:
 				OggFrameInfo(uint page, uint packetonpage, uint packet);
 	virtual		~OggFrameInfo();
+	void		SetNext(uint page, uint packetonpage, uint packet);
 
 	uint		GetPage() const;
 	uint		GetPacketOnPage() const;
 	uint		GetPacket() const;
+	uint		GetNextPage() const;
+	uint		GetNextPacketOnPage() const;
+	uint		GetNextPacket() const;
 private:
 	uint	page;	// the page the frame started on
 	uint	packetonpage; // of all the packets on that page which packet is this
 	uint	packet;	// the packet the frame started on
+	uint	nextpage;	// the next page after this page
+	uint	nextpacketonpage; // of all the packets on next page which packet is the next
+	uint	nextpacket;	// the next packet after this packet
 };
 
 #endif _OGG_FRAME_INFO_H

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

@@ -200,9 +200,9 @@ OggStream::Seek(uint32 seekTo, int64 *frame, bigtime_t *time)
 		fSeekStreamState = seekStreamState;
 		// we notably do not clear our temporary stream
 		// instead we just let it go out of scope
-		fCurrentPage = fOggFrameInfos[*frame].GetPage();
-		fPacketOnCurrentPage = fOggFrameInfos[*frame].GetPacketOnPage();
-		fCurrentPacket = fOggFrameInfos[*frame].GetPacket();
+		fCurrentPage = fOggFrameInfos[*frame].GetNextPage();
+		fPacketOnCurrentPage = fOggFrameInfos[*frame].GetNextPacketOnPage();
+		fCurrentPacket = fOggFrameInfos[*frame].GetNextPacket();
 	} else if (seekTo & B_MEDIA_SEEK_TO_TIME) {
 		*frame = *time/50000;
 		return Seek(B_MEDIA_SEEK_TO_FRAME,frame,time);
@@ -221,6 +221,9 @@ OggStream::GetNextChunk(void **chunkBuffer, int32 *chunkSize,
 		fOggFrameInfos.push_back(info);
 	}
 	status_t result = GetPacket(&packet);
+	if (fCurrentPacket - fHeaderPackets.size() == fOggFrameInfos.size()) {
+		fOggFrameInfos[fOggFrameInfos.size()-1].SetNext(fEndPage,fPacketOnEndPage,fEndPacket);
+	}
 	if (result != B_OK) {
 		TRACE("OggStream::GetNextChunk failed: GetPacket = %s\n", strerror(result));
 		return result;