1 files changed, 150 insertions, 0 deletions
diff --git a/sys/vdpau/mpegutil.h b/sys/vdpau/mpegutil.h
new file mode 100644
index 00000000..aaaa15f8
--- /dev/null
+++ b/sys/vdpau/mpegutil.h
@@ -0,0 +1,150 @@
+/* GStreamer
+ * Copyright (C) 2007 Jan Schmidt <thaytan@mad.scientist.com>
+ * Copyright (C) 2009 Carl-Anton Ingmarsson <ca.ingmarsson@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __MPEGUTIL_H__
+#define __MPEGUTIL_H__
+
+#include <gst/gst.h>
+
+typedef struct MPEGSeqHdr MPEGSeqHdr;
+typedef struct MPEGSeqExtHdr MPEGSeqExtHdr;
+typedef struct MPEGPictureHdr MPEGPictureHdr;
+typedef struct MPEGPictureExt MPEGPictureExt;
+typedef struct MPEGGop MPEGGop;
+typedef struct MPEGQuantMatrix MPEGQuantMatrix;
+
+/* Packet ID codes for different packet types we
+ * care about */
+#define MPEG_PACKET_PICTURE      0x00
+#define MPEG_PACKET_SLICE_MIN    0x01
+#define MPEG_PACKET_SLICE_MAX    0xaf
+#define MPEG_PACKET_SEQUENCE     0xb3
+#define MPEG_PACKET_EXTENSION    0xb5
+#define MPEG_PACKET_SEQUENCE_END 0xb7
+#define MPEG_PACKET_GOP          0xb8
+#define MPEG_PACKET_NONE         0xff
+
+/* Extension codes we care about */
+#define MPEG_PACKET_EXT_SEQUENCE         0x01
+#define MPEG_PACKET_EXT_SEQUENCE_DISPLAY 0x02
+#define MPEG_PACKET_EXT_QUANT_MATRIX     0x03
+#define MPEG_PACKET_EXT_PICTURE_CODING   0x08
+
+/* frame types */
+#define I_FRAME         1
+#define P_FRAME         2
+#define B_FRAME         3
+
+struct MPEGSeqHdr
+{
+  /* Pixel-Aspect Ratio from DAR code via set_par_from_dar */
+  guint par_w, par_h;
+  /* Width and Height of the video */
+  guint16 width, height;
+  /* Framerate */
+  guint fps_n, fps_d;
+
+  guint32 bitrate;
+  guint16 vbv_buffer;
+
+  guint8 constrained_parameters_flag;
+  
+  guint8 intra_quantizer_matrix[64];
+  guint8 non_intra_quantizer_matrix[64];
+};
+
+struct MPEGSeqExtHdr
+{
+
+  /* mpeg2 decoder profile */
+  guint8 profile;
+  /* mpeg2 decoder level */
+  guint8 level;
+
+  guint8 progressive;
+  guint8 chroma_format;
+  
+  guint8 horiz_size_ext, vert_size_ext;
+
+  guint16 bitrate_ext;
+  guint8 fps_n_ext, fps_d_ext;
+  
+};
+
+struct MPEGPictureHdr
+{
+  guint16 tsn;
+  guint8 pic_type;
+  guint16 vbv_delay;
+  
+  guint8 full_pel_forward_vector, full_pel_backward_vector;
+
+  guint8 f_code[2][2];
+};
+
+struct MPEGPictureExt
+{
+  guint8 f_code[2][2];
+
+  guint8 intra_dc_precision;
+  guint8 picture_structure;
+  guint8 top_field_first;
+  guint8 frame_pred_frame_dct;
+  guint8 concealment_motion_vectors;
+  guint8 q_scale_type;
+  guint8 intra_vlc_format;
+  guint8 alternate_scan;
+  guint8 repeat_first_field;
+  guint8 chroma_420_type;
+  guint8 progressive_frame;
+};
+
+struct MPEGGop
+{
+  guint8 drop_frame_flag;
+
+  guint8 hour, minute, second, frame;
+
+  guint8 closed_gop;
+  guint8 broken_gop;
+};
+
+struct MPEGQuantMatrix
+{
+  guint8 intra_quantizer_matrix[64];
+  guint8 non_intra_quantizer_matrix[64];
+};
+
+gboolean mpeg_util_parse_sequence_hdr (MPEGSeqHdr *hdr, GstBuffer *buffer);
+
+gboolean mpeg_util_parse_sequence_extension (MPEGSeqExtHdr *hdr,
+    GstBuffer *buffer);
+
+gboolean mpeg_util_parse_picture_hdr (MPEGPictureHdr * hdr, GstBuffer *buffer);
+
+gboolean mpeg_util_parse_picture_coding_extension (MPEGPictureExt *ext,
+    GstBuffer *buffer);
+
+gboolean mpeg_util_parse_gop (MPEGGop * gop, GstBuffer *buffer);
+
+gboolean mpeg_util_parse_quant_matrix (MPEGQuantMatrix * qm, GstBuffer *buffer);
+
+#endif
+