From 7f42b7856b8c2a1def893ba7d3955812d74f71b1 Mon Sep 17 00:00:00 2001 From: Stefan Kost Date: Thu, 13 Nov 2008 12:59:34 +0000 Subject: Add two new baseparse based parsers (aac and amr) from Bug #518857. Original commit message from CVS: * configure.ac: * gst/aacparse/Makefile.am: * gst/aacparse/gstaacparse.c: * gst/aacparse/gstaacparse.h: * gst/aacparse/gstbaseparse.c: * gst/aacparse/gstbaseparse.h: * gst/amrparse/Makefile.am: * gst/amrparse/gstamrparse.c: * gst/amrparse/gstamrparse.h: * gst/amrparse/gstbaseparse.c: * gst/amrparse/gstbaseparse.h: Add two new baseparse based parsers (aac and amr) from Bug #518857. --- gst/aacparse/gstaacparse.h | 119 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 119 insertions(+) create mode 100644 gst/aacparse/gstaacparse.h (limited to 'gst/aacparse/gstaacparse.h') diff --git a/gst/aacparse/gstaacparse.h b/gst/aacparse/gstaacparse.h new file mode 100644 index 00000000..bbdbebcf --- /dev/null +++ b/gst/aacparse/gstaacparse.h @@ -0,0 +1,119 @@ +/* GStreamer AAC parser + * Copyright (C) 2008 Nokia Corporation. All rights reserved. + * + * Contact: Stefan Kost + * + * 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_AACPARSE_H__ +#define __GST_AACPARSE_H__ + +#include +#include "gstbaseparse.h" + +G_BEGIN_DECLS + +#define GST_TYPE_AACPARSE \ + (gst_aacparse_get_type()) +#define GST_AACPARSE(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AACPARSE, GstAacParse)) +#define GST_AACPARSE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AACPARSE, GstAacParseClass)) +#define GST_IS_AACPARSE(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AACPARSE)) +#define GST_IS_AACPARSE_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AACPARSE)) + + +/** + * 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_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_NONE +} GstAacHeaderType; + + +typedef struct _GstAacParse GstAacParse; +typedef struct _GstAacParseClass GstAacParseClass; + +/** + * GstAacParse: + * @element: the parent element. + * @object_type: AAC object type of the stream. + * @bitrate: Current media bitrate. + * @sample_rate: Current media samplerate. + * @channels: Current media channel count. + * @frames_per_sec: FPS value of the current stream. + * @header_type: #GstAacHeaderType indicating the current stream type. + * @framecount: The amount of frames that has been processed this far. + * @bytecount: The amount of bytes that has been processed this far. + * @sync: Tells whether the parser is in sync (a.k.a. not searching for header) + * @eos: End-of-Stream indicator. Set when EOS event arrives. + * @duration: Duration of the current stream. + * @ts: Current stream timestamp. + * + * 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; + gfloat frames_per_sec; + + GstAacHeaderType header_type; + + guint64 framecount; + guint64 bytecount; + gboolean src_caps_set; + gboolean sync; + gboolean eos; + + GstClockTime duration; + GstClockTime ts; +}; + +/** + * GstAacParseClass: + * @parent_class: Element parent class. + * + * The opaque GstAacParseClass data structure. + */ +struct _GstAacParseClass { + GstBaseParseClass parent_class; +}; + +GType gst_aacparse_get_type (void); + +G_END_DECLS + +#endif /* __GST_AACPARSE_H__ */ -- cgit v1.2.1