1 files changed, 66 insertions, 0 deletions
diff --git a/gst/mxf/mxfaes-bwf.h b/gst/mxf/mxfaes-bwf.h
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+++ b/gst/mxf/mxfaes-bwf.h
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+/* GStreamer
+ * Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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.
+ */
+
+/* Implementation of SMPTE 382M - Mapping AES3 and Broadcast Wave
+ * Audio into the MXF Generic Container
+ */
+
+#ifndef __MXF_AES_BWF_H__
+#define __MXF_AES_BWF_H__
+
+#include <gst/gst.h>
+
+#include "mxfparse.h"
+
+/* SMPTE 382M Annex 1 */
+#define MXF_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR 0x0148
+
+/* SMPTE 382M Annex 1 */
+typedef struct {
+  MXFMetadataGenericSoundEssenceDescriptor parent;
+
+  guint16 block_align;
+  guint8 sequence_offset;
+
+  guint32 avg_bps;
+
+  MXFUL channel_assignment;
+
+  guint32 peak_envelope_version;
+  guint32 peak_envelope_format;
+  guint32 points_per_peak_value;
+  guint32 peak_envelope_block_size;
+  guint32 peak_channels;
+  guint32 peak_frames;
+  gint64 peak_of_peaks_position;
+  MXFTimestamp peak_envelope_timestamp;
+
+  guint8 *peak_envelope_data;
+  guint16 peak_envelope_data_length;
+} MXFMetadataWaveAudioEssenceDescriptor;
+
+gboolean mxf_metadata_wave_audio_essence_descriptor_parse (const MXFUL *key, MXFMetadataWaveAudioEssenceDescriptor *descriptor, const MXFPrimerPack *primer, guint16 type, const guint8 *data, gsize size);
+void mxf_metadata_wave_audio_essence_descriptor_reset (MXFMetadataWaveAudioEssenceDescriptor *descriptor);
+
+gboolean mxf_is_aes_bwf_essence_track (const MXFMetadataTrack *track);
+
+GstCaps *
+mxf_aes_bwf_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
+
+#endif /* __MXF_AES_BWF_H__ */