1 files changed, 123 insertions, 0 deletions
diff --git a/lib/libshout-idjc/src/codec_vorbis.c b/lib/libshout-idjc/src/codec_vorbis.c
new file mode 100644
index 0000000000..3e9ed9c7f1
--- /dev/null
+++ b/lib/libshout-idjc/src/codec_vorbis.c
@@ -0,0 +1,123 @@
+/* -*- c-basic-offset: 8; -*- */
+/* vorbis.c: Ogg Vorbis data handlers for libshout
+ * $Id$
+ *
+ *  Copyright (C) 2002-2004 the Icecast team <team@icecast.org>
+ *
+ *  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
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#   include <config.h>
+#endif
+
+#ifdef HAVE_INTTYPES_H
+#   include <inttypes.h>
+#endif
+#include <stdlib.h>
+
+#include <vorbis/codec.h>
+
+#include "shout_private.h"
+#include "format_ogg.h"
+
+/* -- local data structures -- */
+typedef struct {
+    vorbis_info     vi;
+    vorbis_comment  vc;
+    int             prevW;
+} vorbis_data_t;
+
+/* -- local prototypes -- */
+static int  read_vorbis_page(ogg_codec_t *codec, ogg_page *page);
+static void free_vorbis_data(void *codec_data);
+static int  vorbis_blocksize(vorbis_data_t *vd, ogg_packet *p);
+
+/* -- vorbis functions -- */
+int _shout_open_vorbis(ogg_codec_t *codec, ogg_page *page)
+{
+    vorbis_data_t *vorbis_data = calloc(1, sizeof(vorbis_data_t));
+    ogg_packet packet;
+
+    (void)page;
+
+	if (!vorbis_data)
+        return SHOUTERR_MALLOC;
+
+    vorbis_info_init(&vorbis_data->vi);
+    vorbis_comment_init(&vorbis_data->vc);
+
+    ogg_stream_packetout(&codec->os, &packet);
+
+    if (vorbis_synthesis_headerin(&vorbis_data->vi, &vorbis_data->vc, &packet) < 0) {
+        free_vorbis_data(vorbis_data);
+        return SHOUTERR_UNSUPPORTED;
+    }
+
+    codec->codec_data   = vorbis_data;
+    codec->read_page    = read_vorbis_page;
+    codec->free_data    = free_vorbis_data;
+
+    return SHOUTERR_SUCCESS;
+}
+
+static int read_vorbis_page(ogg_codec_t *codec, ogg_page *page)
+{
+    ogg_packet      packet;
+    vorbis_data_t  *vorbis_data = codec->codec_data;
+    uint64_t        samples = 0;
+    (void)          page;
+
+    if (codec->headers < 3) {
+        while (ogg_stream_packetout(&codec->os, &packet) > 0) {
+			if (vorbis_synthesis_headerin(&vorbis_data->vi, &vorbis_data->vc, &packet) < 0)
+                return SHOUTERR_INSANE;
+            codec->headers++;
+        }
+
+        return SHOUTERR_SUCCESS;
+    }
+
+    while (ogg_stream_packetout(&codec->os, &packet) > 0) {
+        samples += vorbis_blocksize(vorbis_data, &packet);
+    }
+
+    codec->senttime += ((samples * 1000000) / vorbis_data->vi.rate);
+
+    return SHOUTERR_SUCCESS;
+}
+
+static void free_vorbis_data(void *codec_data)
+{
+    vorbis_data_t *vorbis_data = (vorbis_data_t*)codec_data;
+
+    vorbis_info_clear(&vorbis_data->vi);
+    vorbis_comment_clear(&vorbis_data->vc);
+    free(vorbis_data);
+}
+
+static int vorbis_blocksize(vorbis_data_t *vd, ogg_packet *p)
+{
+    int this = vorbis_packet_blocksize(&vd->vi, p);
+    int ret  = (this + vd->prevW) / 4;
+
+    if (!vd->prevW) {
+        vd->prevW = this;
+        return 0;
+    }
+
+    vd->prevW = this;
+    return ret;
+}