Created new element nuvdemux.

Original commit message from CVS:
Created new element nuvdemux.

1 files changed, 173 insertions, 0 deletions

diff --git a/gst/nuvdemux/gstnuvdemux.h b/gst/nuvdemux/gstnuvdemux.h
new file mode 100644
index 00000000..56da9ef8
--- /dev/null
+++ b/gst/nuvdemux/gstnuvdemux.h
@@ -0,0 +1,173 @@
+/* GStreamer
+ * Copyright (C) <2006> Renato Araujo Oliveira Filho <renato.filho@indt.org.br>
+ *                      Rosfran Borges <rosfran.borges@indt.org.br>
+ *
+ * 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 __GST_NUV_DEMUX_H__
+#define __GST_NUV_DEMUX_H__
+
+#include <gst/gst.h>
+
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_NUV_DEMUX \
+  (gst_nuv_demux_get_type ())
+#define GST_NUV_DEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_NUV_DEMUX, GstNuvDemux))
+#define GST_NUV_DEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_NUV_DEMUX, GstNuvDemuxClass))
+#define GST_IS_NUV_DEMUX(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_NUV_DEMUX))
+#define GST_IS_NUV_DEMUX_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_NUV_DEMUX))
+
+
+/* */
+typedef struct
+{
+    gchar id[12];       /* "NuppelVideo\0" or "MythTVVideo\0" */
+    gchar version[5];    /* "x.xx\0" */
+
+    gint  i_width;
+    gint  i_height;
+    gint  i_width_desired;
+    gint  i_height_desired;
+
+    gchar i_mode;            /* P progressive, I interlaced */
+
+    gdouble  d_aspect;       /* 1.0 squared pixel */
+    gdouble  d_fps;
+
+    gint     i_video_blocks; /* 0 no video, -1 unknown */
+    gint     i_audio_blocks;
+    gint     i_text_blocks;
+
+    gint     i_keyframe_distance;
+
+} nuv_header;
+
+typedef struct
+{
+    gchar i_type;        /* A: audio, V: video, S: sync; T: test
+                           R: Seekpoint (string:RTjjjjjjjj)
+                           D: Extra data for codec */
+    gchar i_compression; /* V: 0 uncompressed
+                              1 RTJpeg
+                              2 RTJpeg+lzo
+                              N black frame
+                              L copy last
+                           A: 0 uncompressed (44100 1-bits, 2ch)
+                              1 lzo
+                              2 layer 2
+                              3 layer 3
+                              F flac
+                              S shorten
+                              N null frame loudless
+                              L copy last
+                            S: B audio and vdeo sync point
+                               A audio sync info (timecode == effective
+                                    dsp frequency*100)
+                               V next video sync (timecode == next video
+                                    frame num)
+                               S audio,video,text correlation */
+    gchar i_keyframe;    /* 0 keyframe, else no no key frame */
+    guint8 i_filters;  /* 0x01: gauss 5 pixel (8,2,2,2,2)/16
+                           0x02: gauss 5 pixel (8,1,1,1,1)/12
+                           0x04: cartoon filter */
+
+    guint32 i_timecode;     /* ms */
+
+    guint32 i_length;       /* V,A,T: length of following data
+                           S: length of packet correl */
+} nuv_frame_header;
+
+/* FIXME Not sure of this one */
+typedef struct
+{
+    gint             i_version;
+    guint32		     i_video_fcc;
+
+    guint32		     i_audio_fcc;
+    gint             i_audio_sample_rate;
+    gint             i_audio_bits_per_sample;
+    gint             i_audio_channels;
+    gint             i_audio_compression_ratio;
+    gint             i_audio_quality;
+    gint             i_rtjpeg_quality;
+    gint             i_rtjpeg_luma_filter;
+    gint             i_rtjpeg_chroma_filter;
+    gint             i_lavc_bitrate;
+    gint             i_lavc_qmin;
+    gint             i_lavc_qmax;
+    gint             i_lavc_maxqdiff;
+    gint64         	 i_seekable_offset;
+    gint64           i_keyframe_adjust_offset;
+
+} nuv_extended_header;
+
+typedef enum {
+  GST_NUV_DEMUX_START,
+  GST_NUV_DEMUX_HEADER_DATA,
+  GST_NUV_DEMUX_EXTRA_DATA,
+  GST_NUV_DEMUX_MPEG_DATA,
+  GST_NUV_DEMUX_EXTEND_HEADER,
+  GST_NUV_DEMUX_EXTEND_HEADER_DATA,
+  GST_NUV_DEMUX_FRAME_HEADER,
+  GST_NUV_DEMUX_MOVI,
+  GST_NUV_DEMUX_INVALID_DATA
+} GstNuvDemuxState;
+
+typedef struct _GstNuvDemux {
+  GstElement     parent;
+
+  guint         mode;
+  GstAdapter    *adapter; 
+  guint64       video_offset;
+  guint64       audio_offset;
+
+  /* pads */
+  GstPad        *sinkpad;
+  GstPad        *src_video_pad;  
+  GstPad        *src_audio_pad;
+  gboolean      first_video;
+  gboolean      first_audio;
+
+  /* NUV decoding state */
+  GstNuvDemuxState state;
+  guint64        offset;
+
+  /* Mpeg ExtraData */
+  guint64       mpeg_data_size;
+  GstBuffer     *mpeg_buffer;
+  
+  nuv_header *h;
+  nuv_extended_header *eh;
+  nuv_frame_header *fh;
+} GstNuvDemux;
+
+typedef struct _GstNuvDemuxClass {
+  GstElementClass parent_class;
+} GstNuvDemuxClass;
+
+GType           gst_nuv_demux_get_type          (void);
+
+G_END_DECLS
+
+#endif /* __GST_NUV_DEMUX_H__ */