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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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/* GStreamer LC3 Bluetooth LE audio encoder
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* Copyright (C) 2023 Asymptotic Inc. <taruntej@asymptotic.io>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _GST_LC3ENC_H_
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#define _GST_LC3ENC_H_
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#include <gst/audio/gstaudioencoder.h>
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#include <lc3.h>
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G_BEGIN_DECLS
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#define GST_TYPE_LC3_ENC (gst_lc3_enc_get_type())
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G_DECLARE_FINAL_TYPE (GstLc3Enc, gst_lc3_enc, GST, LC3_ENC, GstAudioEncoder)
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struct _GstLc3Enc
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{
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GstAudioEncoder base;
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lc3_encoder_t *enc_ch;
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enum lc3_pcm_format format;
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int rate;
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int channels;
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int frame_duration_us;
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/* byte count per channel, same for all channels */
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int frame_bytes;
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/* bytes per sample */
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int bpf;
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/* pcm samples per encoded frame */
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int frame_samples;
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gboolean first_frame;
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int pending_bytes;
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};
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struct _GstLc3EncClass
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{
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GstAudioEncoderClass base_class;
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};
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GST_ELEMENT_REGISTER_DECLARE (lc3enc);
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G_END_DECLS
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#endif
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