gstreamer/ext/flac/gstflacdec.h

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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_FLAC_DEC_H__
#define __GST_FLAC_DEC_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <FLAC/all.h>
G_BEGIN_DECLS
#define GST_TYPE_FLAC_DEC gst_flac_dec_get_type()
#define GST_FLAC_DEC(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_FLAC_DEC, GstFlacDec)
#define GST_FLAC_DEC_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_FLAC_DEC, GstFlacDecClass)
#define GST_IS_FLAC_DEC(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_FLAC_DEC)
#define GST_IS_FLAC_DEC_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_FLAC_DEC)
typedef struct _GstFlacDec GstFlacDec;
typedef struct _GstFlacDecClass GstFlacDecClass;
struct _GstFlacDec {
GstElement element;
FLAC__SeekableStreamDecoder *seekable_decoder; /* for pull-based operation */
FLAC__StreamDecoder *stream_decoder; /* for chain-based operation */
GstAdapter *adapter;
gboolean framed;
GstPad *sinkpad;
GstPad *srcpad;
gboolean init;
gboolean need_newsegment;
guint64 offset; /* current byte offset of input */
gboolean seeking; /* set to TRUE while seeking to make sure we
* don't push any buffers in the write callback
* until we are actually at the new position */
GstSegment segment; /* the currently configured segment, in
* samples/audio frames (DEFAULT format) */
GstFlowReturn last_flow; /* the last flow return received from either
* gst_pad_push or gst_pad_buffer_alloc */
gint channels;
gint depth;
gint width;
gint sample_rate;
/* from the stream info, needed for scanning */
guint16 min_blocksize;
guint16 max_blocksize;
gint64 cur_granulepos; /* only used in framed mode (flac-in-ogg) */
};
struct _GstFlacDecClass {
GstElementClass parent_class;
};
GType gst_flac_dec_get_type (void);
G_END_DECLS
#endif /* __GST_FLAC_DEC_H__ */