/* GStreamer AAC parser * Copyright (C) 2008 Nokia Corporation. All rights reserved. * * Contact: Stefan Kost <stefan.kost@nokia.com> * * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_AAC_PARSE_H__ #define __GST_AAC_PARSE_H__ #include <gst/gst.h> #include <gst/base/gstbaseparse.h> G_BEGIN_DECLS #define GST_TYPE_AAC_PARSE \ (gst_aac_parse_get_type()) #define GST_AAC_PARSE(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AAC_PARSE, GstAacParse)) #define GST_AAC_PARSE_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AAC_PARSE, GstAacParseClass)) #define GST_IS_AAC_PARSE(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AAC_PARSE)) #define GST_IS_AAC_PARSE_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AAC_PARSE)) /** * GstAacHeaderType: * @DSPAAC_HEADER_NOT_PARSED: Header not parsed yet. * @DSPAAC_HEADER_UNKNOWN: Unknown (not recognized) header. * @DSPAAC_HEADER_ADIF: ADIF header found. * @DSPAAC_HEADER_ADTS: ADTS header found. * @DSPAAC_HEADER_LOAS: LOAS header found. * @DSPAAC_HEADER_NONE: Raw stream, no header. * * Type header enumeration set in #header_type. */ typedef enum { DSPAAC_HEADER_NOT_PARSED, DSPAAC_HEADER_UNKNOWN, DSPAAC_HEADER_ADIF, DSPAAC_HEADER_ADTS, DSPAAC_HEADER_LOAS, DSPAAC_HEADER_NONE } GstAacHeaderType; typedef struct _GstAacParse GstAacParse; typedef struct _GstAacParseClass GstAacParseClass; /** * GstAacParse: * * The opaque GstAacParse data structure. */ struct _GstAacParse { GstBaseParse element; /* Stream type -related info */ gint object_type; gint bitrate; gint sample_rate; gint channels; gint mpegversion; gint frame_samples; GstAacHeaderType header_type; GstAacHeaderType output_header_type; gboolean sent_codec_tag; gint last_parsed_sample_rate; gint last_parsed_channels; }; /** * GstAacParseClass: * @parent_class: Element parent class. * * The opaque GstAacParseClass data structure. */ struct _GstAacParseClass { GstBaseParseClass parent_class; }; GType gst_aac_parse_get_type (void); G_END_DECLS #endif /* __GST_AAC_PARSE_H__ */