mpegaudioparse: initial version

... adequately equivalent to mp3parse, so lets boldly set it
to higher rank.

gst/audioparsers/Makefile.am

@@ -1,7 +1,7 @@
 plugin_LTLIBRARIES = libgstaudioparsersbad.la
 
 libgstaudioparsersbad_la_SOURCES = \
-	gstaacparse.c gstamrparse.c gstac3parse.c gstflacparse.c \
+	gstaacparse.c gstamrparse.c gstac3parse.c gstflacparse.c gstmpegaudioparse.c \
 	gstbaseparse.c plugin.c
 
 libgstaudioparsersbad_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
@@ -12,5 +12,5 @@ libgstaudioparsersbad_la_LIBADD = \
 libgstaudioparsersbad_la_LDFLAGS = $(PACKAGE_LIBS) $(GST_PLUGIN_LDFLAGS)
 libgstaudioparsersbad_la_LIBTOOLFLAGS = --tag=disable-static
 
-noinst_HEADERS = gstaacparse.h gstamrparse.h gstac3parse.h gstflacparse.h \
+noinst_HEADERS = gstaacparse.h gstamrparse.h gstac3parse.h gstflacparse.h gstmpegaudioparse.h \
 	gstbaseparse.h

gst/audioparsers/gstmpegaudioparse.h

@@ -0,0 +1,104 @@
+/* GStreamer MPEG audio parser
+ * Copyright (C) 2006-2007 Jan Schmidt <thaytan@mad.scientist.com>
+ * Copyright (C) 2010 Mark Nauwelaerts <mnauw users sf net>
+ * Copyright (C) 2010 Nokia Corporation. All rights reserved.
+ *   Contact: Stefan Kost <stefan.kost@nokia.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 __GST_MPEG_AUDIO_PARSE_H__
+#define __GST_MPEG_AUDIO_PARSE_H__
+
+#include <gst/gst.h>
+#include "gstbaseparse.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_MPEG_AUDIO_PARSE \
+  (gst_mpeg_audio_parse_get_type())
+#define GST_MPEG_AUDIO_PARSE(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_MPEG_AUDIO_PARSE, GstMpegAudioParse))
+#define GST_MPEG_AUDIO_PARSE_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_MPEG_AUDIO_PARSE, GstMpegAudioParseClass))
+#define GST_IS_MPEG_AUDIO_PARSE(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_MPEG_AUDIO_PARSE))
+#define GST_IS_MPEG_AUDIO_PARSE_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_MPEG_AUDIO_PARSE))
+
+typedef struct _GstMpegAudioParse GstMpegAudioParse;
+typedef struct _GstMpegAudioParseClass GstMpegAudioParseClass;
+
+/**
+ * GstMpegAudioParse:
+ *
+ * The opaque GstMpegAudioParse object
+ */
+struct _GstMpegAudioParse {
+  GstBaseParse baseparse;
+
+  /*< private >*/
+  gint         rate;
+  gint         channels;
+  gint         layer;
+  gint         version;
+
+  GstClockTime max_bitreservoir;
+  /* samples per frame */
+  gint        spf;
+
+  gboolean     sent_codec_tag;
+  guint        last_posted_bitrate;
+  gint         last_posted_crc, last_crc;
+  guint        last_posted_channel_mode, last_mode;
+
+  /* Xing info */
+  guint32      xing_flags;
+  guint32      xing_frames;
+  GstClockTime xing_total_time;
+  guint32      xing_bytes;
+  /* percent -> filepos mapping */
+  guchar       xing_seek_table[100];
+  /* filepos -> percent mapping */
+  guint16      xing_seek_table_inverse[256];
+  guint32      xing_vbr_scale;
+  guint        xing_bitrate;
+
+  /* VBRI info */
+  guint32      vbri_frames;
+  GstClockTime vbri_total_time;
+  guint32      vbri_bytes;
+  guint        vbri_bitrate;
+  guint        vbri_seek_points;
+  guint32     *vbri_seek_table;
+  gboolean     vbri_valid;
+};
+
+/**
+ * GstMpegAudioParseClass:
+ * @parent_class: Element parent class.
+ *
+ * The opaque GstMpegAudioParseClass data structure.
+ */
+struct _GstMpegAudioParseClass {
+  GstBaseParseClass baseparse_class;
+};
+
+GType gst_mpeg_audio_parse_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_MPEG_AUDIO_PARSE_H__ */

gst/audioparsers/plugin.c

@@ -25,6 +25,7 @@
 #include "gstamrparse.h"
 #include "gstac3parse.h"
 #include "gstflacparse.h"
+#include "gstmpegaudioparse.h"
 
 static gboolean
 plugin_init (GstPlugin * plugin)
@@ -39,6 +40,8 @@ plugin_init (GstPlugin * plugin)
       GST_RANK_PRIMARY + 1, GST_TYPE_AC3_PARSE);
   ret &= gst_element_register (plugin, "flacparse",
       GST_RANK_PRIMARY + 1, GST_TYPE_FLAC_PARSE);
+  ret &= gst_element_register (plugin, "mpegaudioparse",
+      GST_RANK_PRIMARY + 2, GST_TYPE_MPEG_AUDIO_PARSE);
 
   return ret;
 }