gstreamer/subprojects/gst-plugins-bad/ext/fdkaac/gstfdkaacdec.h
Jan Alexander Steffens (heftig) e10bd02e1d fdkaacdec: Support arbitrary channel configs
Try to match the config to GStreamer positions. If something doesn't
fit, fall back to a set of unpositioned channels.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1561>
2022-02-25 18:20:52 +00:00

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C

/*
* Copyright (C) 2016 Sebastian Dröge <sebastian@centricular.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_FDKAACDEC_H__
#define __GST_FDKAACDEC_H__
#include <gst/gst.h>
#include <gst/audio/gstaudiodecoder.h>
#include <fdk-aac/aacdecoder_lib.h>
G_BEGIN_DECLS
#define GST_TYPE_FDKAACDEC \
(gst_fdkaacdec_get_type())
#define GST_FDKAACDEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_FDKAACDEC, GstFdkAacDec))
#define GST_FDKAACDEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_FDKAACDEC, GstFdkAacDecClass))
#define GST_IS_FDKAACDEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_FDKAACDEC))
#define GST_IS_FDKAACDEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_FDKAACDEC))
typedef struct _GstFdkAacDec GstFdkAacDec;
typedef struct _GstFdkAacDecClass GstFdkAacDecClass;
struct _GstFdkAacDec {
GstAudioDecoder element;
HANDLE_AACDECODER dec;
gint16 *decode_buffer;
gint decode_buffer_size;
INT sample_rate;
CHANNEL_MODE config;
INT channels;
AUDIO_CHANNEL_TYPE channel_types[64];
UCHAR channel_indices[64];
GstAudioChannelPosition positions[64];
gboolean need_reorder;
GstAudioInfo info;
};
struct _GstFdkAacDecClass {
GstAudioDecoderClass parent_class;
};
GType gst_fdkaacdec_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (fdkaacdec);
G_END_DECLS
#endif /* __GST_FDKAACDEC_H__ */