Add David Richard's webm support patch.

This is a self-contained ebml parser. It just looks
for cluster boundaries and breaks the stream there.

svn path=/icecast/branches/icecast-webm/; revision=18297

AUTHORS

@@ -4,3 +4,4 @@ oddsock <oddsock@xiph.org>
 Karl Heyes <karl@xiph.org>
 Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>
 Thomas B. "dm8tbr" Ruecker <thomas.rucker@tieto.com>
+David "oneman" Richards <kradradio@gmail.com>

src/Makefile.am

@@ -10,13 +10,13 @@ noinst_HEADERS = admin.h cfgfile.h logging.h sighandler.h connection.h \
     global.h util.h slave.h source.h stats.h refbuf.h client.h \
     compat.h fserve.h xslt.h yp.h event.h md5.h \
     auth.h auth_htpasswd.h auth_url.h \
-    format.h format_ogg.h format_mp3.h \
+    format.h format_ogg.h format_mp3.h format_ebml.h\
     format_vorbis.h format_theora.h format_flac.h format_speex.h format_midi.h \
     format_kate.h format_skeleton.h
 icecast_SOURCES = cfgfile.c main.c logging.c sighandler.c connection.c global.c \
     util.c slave.c source.c stats.c refbuf.c client.c \
     xslt.c fserve.c event.c admin.c md5.c \
-    format.c format_ogg.c format_mp3.c format_midi.c format_flac.c \
+    format.c format_ogg.c format_mp3.c format_midi.c format_flac.c format_ebml.c\
     auth.c auth_htpasswd.c format_kate.c format_skeleton.c
 EXTRA_icecast_SOURCES = yp.c \
     auth_url.c \

src/format.c

@@ -40,6 +40,7 @@
 
 #include "format_ogg.h"
 #include "format_mp3.h"
+#include "format_ebml.h"
 
 #include "logging.h"
 #include "stats.h"
@@ -64,6 +65,16 @@ format_type_t format_get_type (const char *contenttype)
         return FORMAT_TYPE_OGG;
     else if(strcmp(contenttype, "video/ogg") == 0)
         return FORMAT_TYPE_OGG;
+    else if(strcmp(contenttype, "audio/webm") == 0)
+        return FORMAT_TYPE_EBML;
+    else if(strcmp(contenttype, "video/webm") == 0)
+        return FORMAT_TYPE_EBML;
+    else if(strcmp(contenttype, "audio/x-matroska") == 0)
+        return FORMAT_TYPE_EBML;
+    else if(strcmp(contenttype, "video/x-matroska") == 0)
+        return FORMAT_TYPE_EBML;
+    else if(strcmp(contenttype, "video/x-matroska-3d") == 0)
+        return FORMAT_TYPE_EBML;
     else
         /* We default to the Generic format handler, which
            can handle many more formats than just mp3 */
@@ -78,6 +89,9 @@ int format_get_plugin(format_type_t type, source_t *source)
     case FORMAT_TYPE_OGG:
         ret = format_ogg_get_plugin (source);
         break;
+	case FORMAT_TYPE_EBML:
+		ret = format_ebml_get_plugin (source);
+		break;
     case FORMAT_TYPE_GENERIC:
         ret = format_mp3_get_plugin (source);
         break;

src/format.h

@@ -29,6 +29,7 @@ typedef enum _format_type_tag
 {
     FORMAT_ERROR, /* No format, source not processable */
     FORMAT_TYPE_OGG,
+    FORMAT_TYPE_EBML,
     FORMAT_TYPE_GENERIC
 } format_type_t;
 

src/format_ebml.h

+/* Icecast
+ *
+ * This program is distributed under the GNU General Public License, version 2.
+ * A copy of this license is included with this source.
+ *
+ * Copyright 2000-2012, Jack Moffitt <jack@xiph.org, 
+ *                      Michael Smith <msmith@xiph.org>,
+ *                      oddsock <oddsock@xiph.org>,
+ *                      Karl Heyes <karl@xiph.org>
+ *                      and others (see AUTHORS for details).
+ */
+
+/* format_ebml.h
+**
+** ebml format plugin header
+**
+*/
+#ifndef __FORMAT_EBML_H__
+#define __FORMAT_EBML_H__
+
+#include "format.h"
+
+typedef struct ebml_st ebml_t;
+typedef struct ebml_source_state_st ebml_source_state_t;
+
+struct ebml_source_state_st {
+
+    ebml_t *ebml;
+    refbuf_t *header;
+    int file_headers_written;
+
+};
+
+int format_ebml_get_plugin (source_t *source);
+
+#endif  /* __FORMAT_EBML_H__ */