gstreamer/ext/faad/gstfaad.h
2021-03-23 14:19:16 +00:00

73 lines
2.2 KiB
C

/* GStreamer FAAD (Free AAC Decoder) plugin
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
*
* 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_FAAD_H__
#define __GST_FAAD_H__
#include <gst/gst.h>
#include <gst/audio/gstaudiodecoder.h>
#include <neaacdec.h>
G_BEGIN_DECLS
#define GST_TYPE_FAAD \
(gst_faad_get_type ())
#define GST_FAAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_FAAD, GstFaad))
#define GST_FAAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_FAAD, GstFaadClass))
#define GST_IS_FAAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_FAAD))
#define GST_IS_FAAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_FAAD))
typedef struct _GstFaad {
GstAudioDecoder element;
guint samplerate; /* sample rate of the last MPEG frame */
guint channels; /* number of channels of the last frame */
guint bps; /* bytes per sample */
guchar *channel_positions;
GstAudioChannelPosition aac_positions[6], gst_positions[6];
gboolean need_reorder;
gint reorder_map[64];
guint8 fake_codec_data[2];
guint32 last_header;
/* FAAD object */
faacDecHandle handle;
gboolean init;
gboolean packetised; /* We must differentiate between raw and packetised streams */
} GstFaad;
typedef struct _GstFaadClass {
GstAudioDecoderClass parent_class;
} GstFaadClass;
GType gst_faad_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (faad);
G_END_DECLS
#endif /* __GST_FAAD_H__ */