diff --git a/sys/vdpau/basevideodecoder/gstbasevideodecoder.c b/sys/vdpau/basevideodecoder/gstbasevideodecoder.c
index 8dadf44510..0b161c9d8d 100644
--- a/sys/vdpau/basevideodecoder/gstbasevideodecoder.c
+++ b/sys/vdpau/basevideodecoder/gstbasevideodecoder.c
@@ -761,7 +761,7 @@ lost_sync:
     dec->current_buf_offset = dec->input_offset -
         gst_adapter_available (dec->input_adapter);
 
-    ret = klass->parse_data (dec, buf, at_eos);
+    ret = klass->parse_data (dec, buf, at_eos, dec->current_frame);
     if (ret != GST_FLOW_OK)
       return ret;
 
@@ -836,16 +836,14 @@ gst_base_video_decoder_chain (GstPad * pad, GstBuffer * buf)
     gst_base_video_decoder_flush (base_video_decoder);
   }
 
-  if (base_video_decoder->current_frame == NULL) {
-    base_video_decoder->current_frame =
-        gst_base_video_decoder_new_frame (base_video_decoder);
-  }
-
   base_video_decoder->input_offset += GST_BUFFER_SIZE (buf);
   if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
     gst_base_video_decoder_add_timestamp (base_video_decoder, buf);
   }
 
+  if (!base_video_decoder->current_frame)
+    base_video_decoder->current_frame =
+        gst_base_video_decoder_new_frame (base_video_decoder);
 
   if (base_video_decoder->packetized) {
     base_video_decoder->current_frame->sink_buffer = buf;
@@ -892,6 +890,8 @@ gst_base_video_decoder_start (GstBaseVideoDecoder * base_video_decoder)
 
   gst_base_video_decoder_reset (base_video_decoder);
 
+  gst_segment_init (&base_video_decoder->segment, GST_FORMAT_TIME);
+
   if (base_video_decoder_class->start)
     return base_video_decoder_class->start (base_video_decoder);
 
@@ -1175,7 +1175,7 @@ gst_base_video_decoder_have_frame (GstBaseVideoDecoder * base_video_decoder,
 
   /* do something with frame */
   ret = klass->handle_frame (base_video_decoder, frame, deadline);
-  if (!GST_FLOW_IS_SUCCESS (ret)) {
+  if (ret != GST_FLOW_OK) {
     GST_DEBUG ("flow error!");
   }
 
@@ -1219,13 +1219,6 @@ gst_base_video_decoder_lost_sync (GstBaseVideoDecoder * base_video_decoder)
   base_video_decoder->have_sync = FALSE;
 }
 
-GstVideoFrame *
-gst_base_video_decoder_get_current_frame (GstBaseVideoDecoder *
-    base_video_decoder)
-{
-  return base_video_decoder->current_frame;
-}
-
 /* GObject vmethod implementations */
 static void
 gst_base_video_decoder_get_property (GObject * object, guint property_id,
@@ -1362,11 +1355,6 @@ gst_base_video_decoder_init (GstBaseVideoDecoder * base_video_decoder,
 
   base_video_decoder->input_adapter = gst_adapter_new ();
 
-  gst_segment_init (&base_video_decoder->segment, GST_FORMAT_TIME);
-
-  base_video_decoder->current_frame =
-      gst_base_video_decoder_new_frame (base_video_decoder);
-
   /* properties */
   base_video_decoder->packetized = FALSE;
   base_video_decoder->sink_clipping = TRUE;
diff --git a/sys/vdpau/basevideodecoder/gstbasevideodecoder.h b/sys/vdpau/basevideodecoder/gstbasevideodecoder.h
index e1c4c4572f..feb7d28723 100644
--- a/sys/vdpau/basevideodecoder/gstbasevideodecoder.h
+++ b/sys/vdpau/basevideodecoder/gstbasevideodecoder.h
@@ -140,7 +140,7 @@ struct _GstBaseVideoDecoderClass
     (GstBaseVideoDecoder *coder, GstAdapter *adapter, guint *size, gboolean at_eos);
   
   GstFlowReturn (*parse_data) (GstBaseVideoDecoder *decoder,
-      GstBuffer *buf, gboolean at_eos);
+      GstBuffer *buf, gboolean at_eos, GstVideoFrame *frame);
 
 	
 	GstVideoFrame *(*create_frame) (GstBaseVideoDecoder *coder);
@@ -153,9 +153,6 @@ struct _GstBaseVideoDecoderClass
 
 GType gst_base_video_decoder_get_type (void);
 
-GstVideoFrame *gst_base_video_decoder_get_current_frame (GstBaseVideoDecoder
-    *base_video_decoder);
-
 GstVideoFrame *gst_base_video_decoder_get_frame (GstBaseVideoDecoder *coder,
     gint frame_number);
 GstVideoFrame *gst_base_video_decoder_get_oldest_frame (GstBaseVideoDecoder *coder);
diff --git a/sys/vdpau/h264/gstvdph264dec.c b/sys/vdpau/h264/gstvdph264dec.c
index 4141473274..8f2ad03e9b 100644
--- a/sys/vdpau/h264/gstvdph264dec.c
+++ b/sys/vdpau/h264/gstvdph264dec.c
@@ -419,8 +419,8 @@ gst_vdp_h264_dec_create_bitstream_buffers (GstVdpH264Dec * h264_dec,
   else {
     guint i;
 
-    bufs = g_new (VdpBitstreamBuffer, h264_frame->slices->len * 2);
-    *n_bufs = h264_frame->slices->len * 2;
+    bufs = g_new (VdpBitstreamBuffer, h264_frame->slices->len);
+    *n_bufs = h264_frame->slices->len;
 
     for (i = 0; i < h264_frame->slices->len; i++) {
       GstBuffer *buf;
@@ -454,7 +454,7 @@ gst_vdp_h264_dec_handle_frame (GstBaseVideoDecoder * base_video_decoder,
 
   GST_DEBUG ("handle_frame");
 
-  h264_frame = (GstH264Frame *) frame;
+  h264_frame = GST_H264_FRAME_CAST (frame);
 
   slice = &h264_frame->slice_hdr;
   pic = slice->picture;
@@ -644,7 +644,7 @@ gst_vdp_h264_dec_scan_for_packet_end (GstBaseVideoDecoder * base_video_decoder,
 
 static GstFlowReturn
 gst_vdp_h264_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
-    GstBuffer * buf, gboolean at_eos)
+    GstBuffer * buf, gboolean at_eos, GstVideoFrame * frame)
 {
   GstVdpH264Dec *h264_dec = GST_VDP_H264_DEC (base_video_decoder);
   GstBitReader reader;
@@ -655,7 +655,6 @@ gst_vdp_h264_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
   guint size;
   gint i;
 
-  GstVideoFrame *frame;
   GstFlowReturn ret = GST_FLOW_OK;
 
   GST_MEMDUMP ("data", GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
@@ -696,8 +695,6 @@ gst_vdp_h264_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
     i--;
   }
 
-  frame = gst_base_video_decoder_get_current_frame (base_video_decoder);
-
   if (GST_VIDEO_FRAME_FLAG_IS_SET (frame, GST_H264_FRAME_GOT_PRIMARY)) {
     if (nal_unit.type == GST_NAL_SPS || nal_unit.type == GST_NAL_PPS ||
         nal_unit.type == GST_NAL_SEI || nal_unit.type == GST_NAL_AU_DELIMITER ||
diff --git a/sys/vdpau/mpeg/gstvdpmpegdec.c b/sys/vdpau/mpeg/gstvdpmpegdec.c
index 2f48b0cb3c..a0be548efb 100644
--- a/sys/vdpau/mpeg/gstvdpmpegdec.c
+++ b/sys/vdpau/mpeg/gstvdpmpegdec.c
@@ -32,7 +32,7 @@
  */
 
 #ifdef HAVE_CONFIG_H
-#  include <config.h>
+#include <config.h>
 #endif
 
 #include <gst/gst.h>
@@ -401,7 +401,7 @@ gst_vdp_mpeg_dec_create_frame (GstBaseVideoDecoder * base_video_decoder)
 
 static GstFlowReturn
 gst_vdp_mpeg_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
-    GstBuffer * buf, gboolean at_eos)
+    GstBuffer * buf, gboolean at_eos, GstVideoFrame * frame)
 {
   GstVdpMpegDec *mpeg_dec = GST_VDP_MPEG_DEC (base_video_decoder);
 
@@ -417,8 +417,7 @@ gst_vdp_mpeg_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
   /* start_code */
   gst_bit_reader_get_bits_uint8 (&b_reader, &start_code, 8);
 
-  mpeg_frame = (GstVdpMpegFrame *)
-      gst_base_video_decoder_get_current_frame (base_video_decoder);
+  mpeg_frame = GST_VDP_MPEG_FRAME_CAST (frame);
 
   if (start_code >= MPEG_PACKET_SLICE_MIN
       && start_code <= MPEG_PACKET_SLICE_MAX) {
@@ -511,6 +510,9 @@ gst_vdp_mpeg_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
       gst_buffer_unref (buf);
   }
 
+  if (at_eos && mpeg_frame->slices)
+    ret = gst_base_video_decoder_have_frame (base_video_decoder, TRUE, NULL);
+
 done:
   mpeg_dec->prev_packet = start_code;
 
diff --git a/sys/vdpau/mpeg/gstvdpmpegframe.c b/sys/vdpau/mpeg/gstvdpmpegframe.c
index 7f2cfad9bb..54e1a3c287 100644
--- a/sys/vdpau/mpeg/gstvdpmpegframe.c
+++ b/sys/vdpau/mpeg/gstvdpmpegframe.c
@@ -45,7 +45,8 @@ gst_vdp_mpeg_frame_new (void)
 {
   GstVdpMpegFrame *frame;
 
-  frame = (GstVdpMpegFrame *) gst_mini_object_new (GST_TYPE_VDP_MPEG_FRAME);
+  frame =
+      GST_VDP_MPEG_FRAME_CAST (gst_mini_object_new (GST_TYPE_VDP_MPEG_FRAME));
 
   return frame;
 }
diff --git a/sys/vdpau/mpeg/gstvdpmpegframe.h b/sys/vdpau/mpeg/gstvdpmpegframe.h
index 7ccee722ae..8056ed87a1 100644
--- a/sys/vdpau/mpeg/gstvdpmpegframe.h
+++ b/sys/vdpau/mpeg/gstvdpmpegframe.h
@@ -27,9 +27,10 @@
 
 #include "../basevideodecoder/gstvideoframe.h"
 
-#define GST_TYPE_VDP_MPEG_FRAME (gst_vdp_mpeg_frame_get_type())
-#define GST_IS_VDP_MPEG_FRAME(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VDP_MPEG_FRAME))
-#define GST_VDP_MPEG_FRAME(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VDP_MPEG_FRAME, GstVdpMpegFrame))
+#define GST_TYPE_VDP_MPEG_FRAME      (gst_vdp_mpeg_frame_get_type())
+#define GST_IS_VDP_MPEG_FRAME(obj)   (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VDP_MPEG_FRAME))
+#define GST_VDP_MPEG_FRAME(obj)      (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VDP_MPEG_FRAME, GstVdpMpegFrame))
+#define GST_VDP_MPEG_FRAME_CAST(obj) ((GstVdpMpegFrame *)obj)
 
 typedef struct _GstVdpMpegStreamInfo GstVdpMpegStreamInfo;
 
diff --git a/sys/vdpau/mpeg4/gstmpeg4frame.h b/sys/vdpau/mpeg4/gstmpeg4frame.h
index 3bcbd05bdc..b020790101 100644
--- a/sys/vdpau/mpeg4/gstmpeg4frame.h
+++ b/sys/vdpau/mpeg4/gstmpeg4frame.h
@@ -47,7 +47,7 @@ struct _GstMpeg4Frame
   GstBuffer *gov_buf;
   GstBuffer *vop_buf;
   
-  GstClockTime vop_time;
+  guint32 vop_time;
 };
 
 struct _GstMpeg4FrameClass
diff --git a/sys/vdpau/mpeg4/gstvdpmpeg4dec.c b/sys/vdpau/mpeg4/gstvdpmpeg4dec.c
index abb5f43a3a..de1497aed6 100644
--- a/sys/vdpau/mpeg4/gstvdpmpeg4dec.c
+++ b/sys/vdpau/mpeg4/gstvdpmpeg4dec.c
@@ -35,6 +35,8 @@
 #include <config.h>
 #endif
 
+#include <math.h>
+
 #include <gst/gst.h>
 #include <vdpau/vdpau.h>
 #include <string.h>
@@ -84,25 +86,22 @@ gst_vdp_mpeg4_dec_fill_info (GstVdpMpeg4Dec * mpeg4_dec,
   }
 
   if (vop->coding_type == B_VOP) {
-    guint32 p_field_period;
-    gint32 trd, trb;
+    guint32 trd_time, trb_time;
 
-    p_field_period = mpeg4_dec->f_frame->vop_time / mpeg4_dec->tframe;
+    trd_time = mpeg4_dec->b_frame->vop_time - mpeg4_dec->f_frame->vop_time;
+    trb_time = mpeg4_frame->vop_time - mpeg4_dec->f_frame->vop_time;
 
-    trd =
-        2 * (mpeg4_dec->b_frame->vop_time / mpeg4_dec->tframe - p_field_period);
-    trb = 2 * (mpeg4_frame->vop_time / mpeg4_dec->tframe - p_field_period);
+    info.trd[0] = trd_time;
+    info.trb[0] = trb_time;
 
-    info.trd[0] = trd;
-    info.trd[1] = trd;
-    info.trb[0] = trb;
-    info.trb[1] = trb;
+    info.trd[1] = round ((double) trd_time / (double) mpeg4_dec->tframe);
+    info.trb[1] = round ((double) trb_time / (double) mpeg4_dec->tframe);
 
     /* backward reference */
     if (mpeg4_dec->b_frame) {
-      info.forward_reference =
+      info.backward_reference =
           GST_VDP_VIDEO_BUFFER (GST_VIDEO_FRAME (mpeg4_dec->
-              f_frame)->src_buffer)->surface;
+              b_frame)->src_buffer)->surface;
     }
   }
 
@@ -235,13 +234,11 @@ gst_vdp_mpeg4_dec_handle_frame (GstBaseVideoDecoder * base_video_decoder,
   }
 
   /* calculate vop time */
-  mpeg4_frame->vop_time = vop.modulo_time_base * GST_SECOND +
-      gst_util_uint64_scale (vop.time_increment, GST_SECOND,
-      vol->vop_time_increment_resolution);
-  GST_DEBUG ("vop_time: %" GST_TIME_FORMAT,
-      GST_TIME_ARGS (mpeg4_frame->vop_time));
+  mpeg4_frame->vop_time =
+      vop.modulo_time_base * vol->vop_time_increment_resolution +
+      vop.time_increment;
 
-  if (mpeg4_dec->tframe == GST_CLOCK_TIME_NONE && vop.coding_type == B_VOP)
+  if (mpeg4_dec->tframe == -1 && vop.coding_type == B_VOP)
     mpeg4_dec->tframe = mpeg4_frame->vop_time - mpeg4_dec->f_frame->vop_time;
 
   if (vop.coding_type != B_VOP) {
@@ -285,7 +282,7 @@ gst_vdp_mpeg4_dec_handle_frame (GstBaseVideoDecoder * base_video_decoder,
 
 static GstFlowReturn
 gst_vdp_mpeg4_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
-    GstBuffer * buf, gboolean at_eos)
+    GstBuffer * buf, gboolean at_eos, GstVideoFrame * frame)
 {
   GstBitReader reader = GST_BIT_READER_INIT_FROM_BUFFER (buf);
   guint8 start_code;
@@ -299,9 +296,7 @@ gst_vdp_mpeg4_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
   /* start_code */
   READ_UINT8 (&reader, start_code, 8);
 
-  mpeg4_frame =
-      GST_MPEG4_FRAME_CAST (gst_base_video_decoder_get_current_frame
-      (base_video_decoder));
+  mpeg4_frame = GST_MPEG4_FRAME_CAST (frame);
 
   /* collect packages */
   if (start_code == MPEG4_PACKET_VOS) {
@@ -424,7 +419,7 @@ gst_vdp_mpeg4_dec_start (GstBaseVideoDecoder * base_video_decoder)
   GstVdpMpeg4Dec *mpeg4_dec = GST_VDP_MPEG4_DEC (base_video_decoder);
 
   mpeg4_dec->is_configured = FALSE;
-  mpeg4_dec->tframe = GST_CLOCK_TIME_NONE;
+  mpeg4_dec->tframe = -1;
 
   mpeg4_dec->b_frame = NULL;
   mpeg4_dec->f_frame = NULL;
diff --git a/sys/vdpau/mpeg4/gstvdpmpeg4dec.h b/sys/vdpau/mpeg4/gstvdpmpeg4dec.h
index 7aa8f5a8d7..88befa4b5c 100644
--- a/sys/vdpau/mpeg4/gstvdpmpeg4dec.h
+++ b/sys/vdpau/mpeg4/gstvdpmpeg4dec.h
@@ -45,7 +45,7 @@ struct _GstVdpMpeg4Dec
   
   gboolean is_configured;
   Mpeg4VideoObjectLayer vol;
-  GstClockTime tframe;
+  guint32 tframe;
 
   GstMpeg4Frame *f_frame, *b_frame;
 };
diff --git a/sys/vdpau/mpeg4/mpeg4util.c b/sys/vdpau/mpeg4/mpeg4util.c
index eeccb13d8d..5f81460734 100644
--- a/sys/vdpau/mpeg4/mpeg4util.c
+++ b/sys/vdpau/mpeg4/mpeg4util.c
@@ -74,6 +74,10 @@ mpeg4_util_parse_VOP (GstBuffer * buf, Mpeg4VideoObjectLayer * vol,
   /* set default values */
   vop->modulo_time_base = 0;
   vop->rounding_type = 0;
+  vop->top_field_first = 1;
+  vop->alternate_vertical_scan_flag = 0;
+  vop->fcode_forward = 1;
+  vop->fcode_backward = 1;
 
   /* start code prefix */
   SKIP (&reader, 24);
@@ -366,6 +370,9 @@ mpeg4_util_parse_VOL (GstBuffer * buf, Mpeg4VisualObject * vo,
     if (!mpeg4_util_parse_quant (&reader, vol->non_intra_quant_mat,
             default_non_intra_quant_mat))
       goto error;
+  } else {
+    memset (&vol->intra_quant_mat, 0, 64);
+    memset (&vol->non_intra_quant_mat, 0, 64);
   }
 
   if (vol->verid != 0x1)