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authorThomas Vander Stichele <thomas@apestaart.org>2007-04-12 11:41:11 +0000
committerThomas Vander Stichele <thomas@apestaart.org>2007-04-12 11:41:11 +0000
commit2fc868841f152a80ac3dda9c0fe632e7ac0118ea (patch)
treeb96ddddc9b2efca498468a385c95bd768fa4c035 /gst/rtp/fnv1hash.h
parenta7efc5ceb7653a54c6ba29352c0f2c6df1d82555 (diff)
gst/rtp/Makefile.am: gst/rtp/fnv1hash.c (MASK_24, FNV1_HASH_32_INIT, FNV1_HASH_32_PRIME, fnv1_hash_32_new, fnv1_hash_...
Original commit message from CVS: * gst/rtp/Makefile.am: * gst/rtp/fnv1hash.c (MASK_24, FNV1_HASH_32_INIT, FNV1_HASH_32_PRIME, fnv1_hash_32_new, fnv1_hash_32_update, fnv1_hash_32_to_24): * gst/rtp/fnv1hash.h (__GST_FNV1_HASH_H__): Add a simple hashing implementation that we can use to generate a 24-bit ident value based on the codebooks for vorbis and theora. * gst/rtp/gstrtptheorapay.c (gst_rtp_theora_pay_finish_headers, gst_rtp_theora_pay_handle_buffer): * gst/rtp/gstrtpvorbisdepay.c (gst_rtp_vorbis_depay_parse_configuration, gst_rtp_vorbis_depay_switch_codebook, gst_rtp_vorbis_depay_process): * gst/rtp/gstrtpvorbispay.c (gst_rtp_vorbis_pay_reset_packet, gst_rtp_vorbis_pay_init_packet, gst_rtp_vorbis_pay_flush_packet, gst_rtp_vorbis_pay_finish_headers, gst_rtp_vorbis_pay_handle_buffer): Use the hashing function, ensuring that the same codebooks result in the same ident and thus the same SDP description. Various log fixes/changes.
Diffstat (limited to 'gst/rtp/fnv1hash.h')
-rw-r--r--gst/rtp/fnv1hash.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/gst/rtp/fnv1hash.h b/gst/rtp/fnv1hash.h
new file mode 100644
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+++ b/gst/rtp/fnv1hash.h
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+/* GStreamer
+ * Copyright (C) 2007 Thomas Vander Stichele <thomas at apestaart dot 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 Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_FNV1_HASH_H__
+#define __GST_FNV1_HASH_H__
+
+#include <gst/gst.h>
+#include <gst/rtp/gstbasertppayload.h>
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+
+guint32 fnv1_hash_32_new ();
+guint32 fnv1_hash_32_update (guint32 hash, const guchar *data, guint length);
+guint32 fnv1_hash_32_to_24 (guint32 hash);
+
+G_END_DECLS
+
+#endif /* __GST_FNV1_HASH_H__ */
+