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a8661bc4de
Original commit message from CVS: * configure.ac: * gst/aiffparse/Makefile.am: * gst/aiffparse/aiffparse.c: * gst/aiffparse/aiffparse.h: Add an AIFF parsing element, heavily based on wavparse.
122 lines
2.8 KiB
C
122 lines
2.8 KiB
C
/* GStreamer
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* Copyright (C) <2008> Pioneers of the Inevitable <songbird@songbirdnest.com>
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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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#ifndef __GST_AIFFPARSE_H__
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#define __GST_AIFFPARSE_H__
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#include <gst/gst.h>
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#include "gst/riff/riff-ids.h"
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#include "gst/riff/riff-read.h"
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#include <gst/base/gstadapter.h>
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G_BEGIN_DECLS
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#define TYPE_AIFFPARSE \
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(gst_aiffparse_get_type())
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#define AIFFPARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),TYPE_AIFFPARSE,AIFFParse))
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#define AIFFPARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),TYPE_AIFFPARSE,AIFFParseClass))
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#define IS_AIFFPARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),TYPE_AIFFPARSE))
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#define IS_AIFFPARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),TYPE_AIFFPARSE))
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typedef enum {
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AIFFPARSE_START,
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AIFFPARSE_HEADER,
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AIFFPARSE_DATA
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} AIFFParseState;
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typedef struct _AIFFParse AIFFParse;
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typedef struct _AIFFParseClass AIFFParseClass;
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/**
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* AIFFParse:
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*
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* Opaque data structure.
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*/
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struct _AIFFParse {
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GstElement parent;
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/* pads */
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GstPad *sinkpad,*srcpad;
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GstCaps *caps;
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GstEvent *close_segment;
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GstEvent *start_segment;
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/* AIFF decoding state */
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AIFFParseState state;
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/* format of audio, see defines below */
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gint format;
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gboolean is_aifc;
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/* useful audio data */
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guint32 rate;
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guint16 channels;
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guint16 width;
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guint32 endianness;
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/* real bytes per second used or 0 when no bitrate is known */
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guint32 bps;
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guint bytes_per_sample;
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guint32 total_frames;
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/* position in data part */
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guint64 offset;
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guint64 end_offset;
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guint64 dataleft;
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/* offset/length of data part */
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guint64 datastart;
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guint64 datasize;
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/* duration in time */
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guint64 duration;
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/* pending seek */
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GstEvent *seek_event;
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/* For streaming */
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GstAdapter *adapter;
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gboolean got_comm;
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gboolean streaming;
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/* configured segment, start/stop expressed in time */
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GstSegment segment;
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gboolean segment_running;
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/* discont after seek */
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gboolean discont;
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};
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struct _AIFFParseClass {
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GstElementClass parent_class;
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};
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GType aiffparse_get_type(void);
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G_END_DECLS
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#endif /* __GST_AIFFPARSE_H__ */
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