diff --git a/src/add-ons/media/plugins/ogg/OggFormats.h b/src/add-ons/media/plugins/ogg/OggFormats.h
new file mode 100644
index 0000000000..f0d753169d
--- /dev/null
+++ b/src/add-ons/media/plugins/ogg/OggFormats.h
@@ -0,0 +1,10 @@
+#ifndef _OGG_FORMATS_H
+#define _OGG_FORMATS_H
+
+//! for use in media_misc_description.file_format
+const uint32 OGG_FILE_FORMAT = 'OggS';
+
+//! for use in media_header.user_data_type
+const uint32 OGG_PACKET_DATA_TYPE = 'OggP';
+
+#endif _OGG_FORMATS_H
diff --git a/src/add-ons/media/plugins/ogg/OggSeekable.cpp b/src/add-ons/media/plugins/ogg/OggSeekable.cpp
index ec69e6b9dd..a13dbe8318 100644
--- a/src/add-ons/media/plugins/ogg/OggSeekable.cpp
+++ b/src/add-ons/media/plugins/ogg/OggSeekable.cpp
@@ -2,6 +2,7 @@
 #include "OggSpeexSeekable.h"
 #include "OggTobiasSeekable.h"
 #include "OggVorbisSeekable.h"
+#include "OggFormats.h"
 #include <Autolock.h>
 #include <stdio.h>
 
@@ -247,7 +248,7 @@ OggSeekable::GetStreamInfo(int64 *frameCount, bigtime_t *duration,
 	// get the format for the description
 	media_format_description description;
 	description.family = B_MISC_FORMAT_FAMILY;
-	description.u.misc.file_format = 'OggS';
+	description.u.misc.file_format = OGG_FILE_FORMAT;
 	description.u.misc.codec = four_bytes;
 	BMediaFormats formats;
 	result = formats.InitCheck();
@@ -448,21 +449,25 @@ OggSeekable::Seek(uint32 seekTo, int64 *frame, bigtime_t *time)
 			return B_OK;
 		}*/
 
-
 status_t
 OggSeekable::GetNextChunk(void **chunkBuffer, int32 *chunkSize,
                              media_header *mediaHeader)
 {
+	ogg_packet packet;
 	BAutolock autolock(fPositionLock);
-	status_t result = GetPacket(&fChunkPacket);
+	status_t result = GetPacket(&packet);
+	*chunkBuffer = packet.packet;
+	*chunkSize = packet.bytes;
+	packet.packet = NULL;
+	assert(sizeof(ogg_packet) <= sizeof(mediaHeader->user_data));
+	mediaHeader->user_data_type = OGG_PACKET_DATA_TYPE;
+	memcpy(mediaHeader->user_data, &packet, sizeof(ogg_packet));
 	if (result != B_OK) {
 		TRACE("OggSeekable::GetNextChunk failed: GetPacket = %s\n", strerror(result));
 		return result;
 	}
-	*chunkBuffer = &fChunkPacket;
-	*chunkSize = sizeof(fChunkPacket);
-	if (fChunkPacket.granulepos > 0) {
-		fCurrentFrame = fChunkPacket.granulepos - fFirstGranulepos;
+	if (packet.granulepos > 0) {
+		fCurrentFrame = packet.granulepos - fFirstGranulepos;
 		fCurrentTime = (bigtime_t)((fCurrentFrame * 1000000LL) / fFrameRate);
 		mediaHeader->start_time = fCurrentTime;
 	} else {
diff --git a/src/add-ons/media/plugins/ogg/OggSeekable.h b/src/add-ons/media/plugins/ogg/OggSeekable.h
index af60365dc5..b3cc1cca7a 100644
--- a/src/add-ons/media/plugins/ogg/OggSeekable.h
+++ b/src/add-ons/media/plugins/ogg/OggSeekable.h
@@ -40,7 +40,6 @@ protected:
 
 	// subclass pull input function
 	status_t	GetPacket(ogg_packet * packet);
-	ogg_packet			fChunkPacket;
 
 protected:
 	int64				fCurrentFrame;
diff --git a/src/add-ons/media/plugins/ogg/OggSpeexFormats.h b/src/add-ons/media/plugins/ogg/OggSpeexFormats.h
index 8b826ab4de..3a007edd6d 100644
--- a/src/add-ons/media/plugins/ogg/OggSpeexFormats.h
+++ b/src/add-ons/media/plugins/ogg/OggSpeexFormats.h
@@ -4,6 +4,7 @@
 #include <MediaFormats.h>
 #include <ogg/ogg.h>
 #include <string.h>
+#include <OggFormats.h>
 
 /*
  * speex descriptions/formats
@@ -15,7 +16,7 @@ speex_description()
 {
 	media_format_description description;
 	description.family = B_MISC_FORMAT_FAMILY;
-	description.u.misc.file_format = 'OggS';
+	description.u.misc.file_format = OGG_FILE_FORMAT;
 	description.u.misc.codec = 'Spee';
 	return description;
 }
diff --git a/src/add-ons/media/plugins/ogg/OggSpeexSeekable.cpp b/src/add-ons/media/plugins/ogg/OggSpeexSeekable.cpp
index c17c61bb1a..2d316fc4fd 100644
--- a/src/add-ons/media/plugins/ogg/OggSpeexSeekable.cpp
+++ b/src/add-ons/media/plugins/ogg/OggSpeexSeekable.cpp
@@ -179,18 +179,3 @@ OggSpeexSeekable::GetStreamInfo(int64 *frameCount, bigtime_t *duration,
 
 	return B_OK;
 }
-
-
-status_t
-OggSpeexSeekable::GetNextChunk(void **chunkBuffer, int32 *chunkSize,
-                             media_header *mediaHeader)
-{
-	status_t result = inherited::GetNextChunk(chunkBuffer, chunkSize, mediaHeader);
-	if (result != B_OK) {
-		TRACE("OggSpeexSeekable::GetNextChunk failed: GetNextChunk = %s\n", strerror(result));
-		return result;
-	}
-	*chunkSize = ((ogg_packet*)*chunkBuffer)->bytes;
-	*chunkBuffer = ((ogg_packet*)*chunkBuffer)->packet;
-	return B_OK;
-}
diff --git a/src/add-ons/media/plugins/ogg/OggSpeexSeekable.h b/src/add-ons/media/plugins/ogg/OggSpeexSeekable.h
index a1a6065a1c..cbe42466c5 100644
--- a/src/add-ons/media/plugins/ogg/OggSpeexSeekable.h
+++ b/src/add-ons/media/plugins/ogg/OggSpeexSeekable.h
@@ -16,8 +16,6 @@ public:
 
 	virtual	status_t	GetStreamInfo(int64 *frameCount, bigtime_t *duration,
 						              media_format *format);
-	virtual status_t	GetNextChunk(void **chunkBuffer, int32 *chunkSize,
-						             media_header *mediaHeader);
 
 };
 
diff --git a/src/add-ons/media/plugins/ogg/OggStream.cpp b/src/add-ons/media/plugins/ogg/OggStream.cpp
index 76700fcf69..1456051d6b 100644
--- a/src/add-ons/media/plugins/ogg/OggStream.cpp
+++ b/src/add-ons/media/plugins/ogg/OggStream.cpp
@@ -3,6 +3,7 @@
 #include "OggTheoraStream.h"
 #include "OggTobiasStream.h"
 #include "OggVorbisStream.h"
+#include "OggFormats.h"
 #include <Autolock.h>
 #include <stdio.h>
 
@@ -107,7 +108,7 @@ OggStream::GetStreamInfo(int64 *frameCount, bigtime_t *duration,
 	// get the format for the description
 	media_format_description description;
 	description.family = B_MISC_FORMAT_FAMILY;
-	description.u.misc.file_format = 'OggS';
+	description.u.misc.file_format = OGG_FILE_FORMAT;
 	description.u.misc.codec = four_bytes;
 	BMediaFormats formats;
 	result = formats.InitCheck();
diff --git a/src/add-ons/media/plugins/ogg/OggTheoraFormats.h b/src/add-ons/media/plugins/ogg/OggTheoraFormats.h
index b6ad23238b..fc636ec4a9 100644
--- a/src/add-ons/media/plugins/ogg/OggTheoraFormats.h
+++ b/src/add-ons/media/plugins/ogg/OggTheoraFormats.h
@@ -4,6 +4,7 @@
 #include <MediaFormats.h>
 #include <ogg/ogg.h>
 #include <string.h>
+#include <OggFormats.h>
 
 /*
  * theora descriptions/formats
@@ -15,7 +16,7 @@ theora_description()
 {
 	media_format_description description;
 	description.family = B_MISC_FORMAT_FAMILY;
-	description.u.misc.file_format = 'OggS';
+	description.u.misc.file_format = OGG_FILE_FORMAT;
 	description.u.misc.codec = 'theo';
 	return description;
 }
diff --git a/src/add-ons/media/plugins/ogg/OggTobiasFormats.h b/src/add-ons/media/plugins/ogg/OggTobiasFormats.h
index 509ef59a09..e1801b8d51 100644
--- a/src/add-ons/media/plugins/ogg/OggTobiasFormats.h
+++ b/src/add-ons/media/plugins/ogg/OggTobiasFormats.h
@@ -4,6 +4,7 @@
 #include <MediaFormats.h>
 #include <ogg/ogg.h>
 #include <string.h>
+#include "OggFormats.h"
 
 /*
  * tobias descriptions/formats
@@ -47,7 +48,7 @@ tobias_text_description()
 {
 	media_format_description description;
 	description.family = B_MISC_FORMAT_FAMILY;
-	description.u.misc.file_format = 'OggS';
+	description.u.misc.file_format = OGG_FILE_FORMAT;
 	description.u.misc.codec = 'text';
 	return description;
 }
diff --git a/src/add-ons/media/plugins/ogg/OggTobiasSeekable.cpp b/src/add-ons/media/plugins/ogg/OggTobiasSeekable.cpp
index cf40cec64b..2b5243b671 100644
--- a/src/add-ons/media/plugins/ogg/OggTobiasSeekable.cpp
+++ b/src/add-ons/media/plugins/ogg/OggTobiasSeekable.cpp
@@ -266,8 +266,6 @@ OggTobiasSeekable::GetNextChunk(void **chunkBuffer, int32 *chunkSize,
 		TRACE("OggTobiasSeekable::GetNextChunk failed: GetNextChunk = %s\n", strerror(result));
 		return result;
 	}
-	*chunkSize = ((ogg_packet*)*chunkBuffer)->bytes;
-	*chunkBuffer = ((ogg_packet*)*chunkBuffer)->packet;
 	bool keyframe = ((uint*)chunkBuffer)[0] & (1 << 3); // ??
 	if (fMediaFormat.type == B_MEDIA_ENCODED_VIDEO) {
 		mediaHeader->type = fMediaFormat.type;
diff --git a/src/add-ons/media/plugins/ogg/OggVorbisFormats.h b/src/add-ons/media/plugins/ogg/OggVorbisFormats.h
index 88d1747f56..ebe79dbdcf 100644
--- a/src/add-ons/media/plugins/ogg/OggVorbisFormats.h
+++ b/src/add-ons/media/plugins/ogg/OggVorbisFormats.h
@@ -4,6 +4,7 @@
 #include <MediaFormats.h>
 #include <ogg/ogg.h>
 #include <string.h>
+#include "OggFormats.h"
 
 /*
  * vorbis descriptions/formats
@@ -15,7 +16,7 @@ vorbis_description()
 {
 	media_format_description description;
 	description.family = B_MISC_FORMAT_FAMILY;
-	description.u.misc.file_format = 'OggS';
+	description.u.misc.file_format = OGG_FILE_FORMAT;
 	description.u.misc.codec = 'vorb';
 	return description;
 }
diff --git a/src/add-ons/media/plugins/vorbis/vorbisCodecPlugin.cpp b/src/add-ons/media/plugins/vorbis/vorbisCodecPlugin.cpp
index f1e239007d..fac94834a7 100644
--- a/src/add-ons/media/plugins/vorbis/vorbisCodecPlugin.cpp
+++ b/src/add-ons/media/plugins/vorbis/vorbisCodecPlugin.cpp
@@ -184,13 +184,13 @@ VorbisDecoder::Decode(void *buffer, int64 *frameCount,
 			status_t status = GetNextChunk(&chunkBuffer, &chunkSize, &mh);
 			if (status == B_LAST_BUFFER_ERROR) {
 				goto done;
-			}			
+			}
 			if (status != B_OK) {
 				TRACE("VorbisDecoder::Decode: GetNextChunk failed\n");
 				return status;
 			}
-			if (chunkSize != sizeof(ogg_packet)) {
-				TRACE("VorbisDecoder::Decode: chunk not ogg_packet-sized\n");
+			if (mh.user_data_type != OGG_PACKET_DATA_TYPE) {
+				TRACE("VorbisDecoder::Decode: chunk missing ogg_packet data");
 				return B_ERROR;
 			}
 			if (!synced) {
@@ -199,8 +199,9 @@ VorbisDecoder::Decode(void *buffer, int64 *frameCount,
 					synced = true;
 				}
 			}
-			ogg_packet * packet = static_cast<ogg_packet*>(chunkBuffer);
-			if (vorbis_synthesis(&fBlock,packet)==0) {
+			ogg_packet * packet = reinterpret_cast<ogg_packet*>(mh.user_data);
+			packet->packet = static_cast<unsigned char *>(chunkBuffer);
+			if (vorbis_synthesis(&fBlock, packet)==0) {
 				vorbis_synthesis_blockin(&fDspState,&fBlock);
 			}
 		}