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67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
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/* GStreamer
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* Copyright (C) 2008 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* Implementation of SMPTE 382M - Mapping AES3 and Broadcast Wave
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* Audio into the MXF Generic Container
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*/
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#ifndef __MXF_AES_BWF_H__
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#define __MXF_AES_BWF_H__
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#include <gst/gst.h>
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#include "mxfparse.h"
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/* SMPTE 382M Annex 1 */
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#define MXF_METADATA_WAVE_AUDIO_ESSENCE_DESCRIPTOR 0x0148
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/* SMPTE 382M Annex 1 */
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typedef struct {
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MXFMetadataGenericSoundEssenceDescriptor parent;
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guint16 block_align;
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guint8 sequence_offset;
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guint32 avg_bps;
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MXFUL channel_assignment;
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guint32 peak_envelope_version;
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guint32 peak_envelope_format;
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guint32 points_per_peak_value;
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guint32 peak_envelope_block_size;
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guint32 peak_channels;
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guint32 peak_frames;
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gint64 peak_of_peaks_position;
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MXFTimestamp peak_envelope_timestamp;
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guint8 *peak_envelope_data;
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guint16 peak_envelope_data_length;
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} MXFMetadataWaveAudioEssenceDescriptor;
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gboolean mxf_metadata_wave_audio_essence_descriptor_parse (const MXFUL *key, MXFMetadataWaveAudioEssenceDescriptor *descriptor, const MXFPrimerPack *primer, guint16 type, const guint8 *data, gsize size);
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void mxf_metadata_wave_audio_essence_descriptor_reset (MXFMetadataWaveAudioEssenceDescriptor *descriptor);
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gboolean mxf_is_aes_bwf_essence_track (const MXFMetadataTrack *track);
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GstCaps *
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mxf_aes_bwf_create_caps (MXFMetadataGenericPackage *package, MXFMetadataTrack *track, GstTagList **tags, MXFEssenceElementHandler *handler, gpointer *mapping_data);
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#endif /* __MXF_AES_BWF_H__ */
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