/* GStreamer AIFF parser * Copyright (C) <2008> Pioneers of the Inevitable <songbird@songbirdnest.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_AIFF_PARSE_H__ #define __GST_AIFF_PARSE_H__ #include <gst/gst.h> #include <gst/base/gstadapter.h> G_BEGIN_DECLS #define GST_TYPE_AIFF_PARSE \ (gst_aiff_parse_get_type()) #define GST_AIFF_PARSE(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AIFF_PARSE,GstAiffParse)) #define GST_AIFF_PARSE_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AIFF_PARSE,GstAiffParseClass)) #define GST_IS_AIFF_PARSE(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AIFF_PARSE)) #define GST_IS_AIFF_PARSE_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AIFF_PARSE)) typedef enum { AIFF_PARSE_START, AIFF_PARSE_HEADER, AIFF_PARSE_DATA } GstAiffParseState; typedef struct _GstAiffParse GstAiffParse; typedef struct _GstAiffParseClass GstAiffParseClass; /** * GstAiffParse: * * Opaque data structure. */ struct _GstAiffParse { GstElement parent; /*< private >*/ GstPad *sinkpad; GstPad *srcpad; GstEvent *close_segment; GstEvent *start_segment; /* AIFF decoding state */ GstAiffParseState state; /* format of audio, see defines below */ gint format; gboolean is_aifc; /* useful audio data */ guint32 rate; guint16 channels; guint16 width; guint16 depth; guint32 endianness; gboolean floating_point; /* real bytes per second used or 0 when no bitrate is known */ guint32 bps; guint bytes_per_sample; guint max_buf_size; guint32 total_frames; guint32 ssnd_offset; guint32 ssnd_blocksize; /* position in data part */ guint64 offset; guint64 end_offset; guint64 dataleft; /* offset/length of data part */ guint64 datastart; guint64 datasize; /* duration in time */ guint64 duration; /* pending seek */ GstEvent *seek_event; /* For streaming */ GstAdapter *adapter; gboolean got_comm; gboolean streaming; /* configured segment, start/stop expressed in time */ GstSegment segment; gboolean segment_running; /* discont after seek */ gboolean discont; /* tags */ GstTagList *tags; }; struct _GstAiffParseClass { GstElementClass parent_class; }; GType gst_aiff_parse_get_type(void); G_END_DECLS #endif /* __GST_AIFF_PARSE_H__ */