/*
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* BlueALSA - bluez-a2dp.h
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* Copyright (c) 2016-2018 Arkadiusz Bokowy
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*
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* This file is a part of bluez-alsa.
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*
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* This project is licensed under the terms of the MIT license.
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*
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*/
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#ifndef BLUEALSA_BLUEZA2DP_H_
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#define BLUEALSA_BLUEZA2DP_H_
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#include <stddef.h>
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#include "a2dp-codecs.h"
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enum bluez_a2dp_dir {
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BLUEZ_A2DP_SOURCE,
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BLUEZ_A2DP_SINK,
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};
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enum bluez_a2dp_chm {
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BLUEZ_A2DP_CHM_MONO = 0,
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/* fixed bit-rate for each channel */
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BLUEZ_A2DP_CHM_DUAL_CHANNEL,
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/* channel bits allocated dynamically */
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BLUEZ_A2DP_CHM_STEREO,
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/* L+R (mid) and L-R (side) encoding */
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BLUEZ_A2DP_CHM_JOINT_STEREO,
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};
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struct bluez_a2dp_channel_mode {
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enum bluez_a2dp_chm mode;
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uint16_t value;
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};
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struct bluez_a2dp_sampling_freq {
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int frequency;
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uint16_t value;
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};
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struct bluez_a2dp_codec {
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enum bluez_a2dp_dir dir;
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uint16_t id;
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/* capabilities configuration element */
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const void *cfg;
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size_t cfg_size;
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/* list of supported channel modes */
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const struct bluez_a2dp_channel_mode *channels;
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size_t channels_size;
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/* list of supported sampling frequencies */
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const struct bluez_a2dp_sampling_freq *samplings;
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size_t samplings_size;
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};
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/* NULL-terminated list of available A2DP codecs */
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const struct bluez_a2dp_codec **bluez_a2dp_codecs;
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#endif
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