gstreamer/ext/ldac/gstldacenc.h
Sanchayan Maity a576814553 ext: Add LDAC encoder
LDAC is an audio coding technology developed by Sony that enables the
transmission of High-Resolution (Hi-Res) audio contents over Bluetooth.

Currently Adaptive Bit Rate (ABR) as supported by libldac encoder is not
implemented.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1621>
2020-11-11 22:16:43 +05:30

66 lines
1.9 KiB
C

/* GStreamer LDAC audio encoder
* Copyright (C) 2020 Asymptotic <sanchayan@asymptotic.io>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
#include <gst/gst.h>
#include <gst/audio/audio.h>
#include <ldac/ldacBT.h>
G_BEGIN_DECLS
#define GST_TYPE_LDAC_ENC \
(gst_ldac_enc_get_type())
#define GST_LDAC_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LDAC_ENC,GstLdacEnc))
#define GST_LDAC_ENC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LDAC_ENC,GstLdacEncClass))
#define GST_IS_LDAC_ENC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LDAC_ENC))
#define GST_IS_LDAC_ENC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LDAC_ENC))
typedef struct _GstLdacEnc GstLdacEnc;
typedef struct _GstLdacEncClass GstLdacEncClass;
typedef enum
{
GST_LDAC_EQMID_HQ = 0,
GST_LDAC_EQMID_SQ,
GST_LDAC_EQMID_MQ
} GstLdacEqmid;
struct _GstLdacEnc {
GstAudioEncoder audio_encoder;
GstLdacEqmid eqmid;
guint rate;
guint channels;
guint channel_mode;
gboolean init_done;
LDACBT_SMPL_FMT_T ldac_fmt;
HANDLE_LDAC_BT ldac;
};
struct _GstLdacEncClass {
GstAudioEncoderClass audio_encoder_class;
};
GType gst_ldac_enc_get_type (void);
G_END_DECLS