mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-08 18:39:54 +00:00
5ed4e21221
Combine the channel remap and copy in one operation. Calculate the channel remap table only once, make a shortcut when we are not doing any remapping.
75 lines
2.2 KiB
C
75 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef __GST_FAAD_H__
|
|
#define __GST_FAAD_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/audio/gstaudiodecoder.h>
|
|
|
|
#ifdef FAAD_IS_NEAAC
|
|
#include <neaacdec.h>
|
|
#else
|
|
#include <faad.h>
|
|
#endif
|
|
|
|
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);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_FAAD_H__ */
|