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#ifndef fooa2dpcodechfoo
#define fooa2dpcodechfoo
/***
This file is part of PulseAudio.
Copyright 2018-2019 Pali Rohár <pali.rohar@gmail.com>
PulseAudio 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.
PulseAudio 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
General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#include <pulsecore/core.h>
#include "bt-codec-api.h"
#define MAX_A2DP_CAPS_SIZE 254
#define DEFAULT_OUTPUT_RATE_REFRESH_INTERVAL_MS 500
typedef struct pa_a2dp_codec_capabilities {
uint8_t size;
uint8_t buffer[]; /* max size is 254 bytes */
} pa_a2dp_codec_capabilities;
typedef struct pa_a2dp_codec_id {
uint8_t codec_id;
uint32_t vendor_id;
uint16_t vendor_codec_id;
} pa_a2dp_codec_id;
typedef struct pa_a2dp_endpoint_conf {
/* A2DP codec id */
pa_a2dp_codec_id id;
/* Returns true if the codec can be supported on the system */
bool (*can_be_supported)(bool for_encoding);
/* Returns true if codec accepts capabilities, for_encoding is true when
* capabilities are used for encoding */
bool (*can_accept_capabilities)(const uint8_t *capabilities_buffer, uint8_t capabilities_size, bool for_encoding);
/* Choose remote endpoint based on capabilities from hash map
* (const char *endpoint -> const pa_a2dp_codec_capabilities *capability)
* and returns corresponding endpoint key (or NULL when there is no valid),
* for_encoder is true when capabilities hash map is used for encoding */
const char *(*choose_remote_endpoint)(const pa_hashmap *capabilities_hashmap, const pa_sample_spec *default_sample_spec, bool for_encoding);
/* Fill codec capabilities, returns size of filled buffer */
uint8_t (*fill_capabilities)(uint8_t capabilities_buffer[MAX_A2DP_CAPS_SIZE]);
/* Validate codec configuration, returns true on success */
bool (*is_configuration_valid)(const uint8_t *config_buffer, uint8_t config_size);
/* Fill preferred codec configuration, returns size of filled buffer or 0 on failure */
uint8_t (*fill_preferred_configuration)(const pa_sample_spec *default_sample_spec, const uint8_t *capabilities_buffer, uint8_t capabilities_size, uint8_t config_buffer[MAX_A2DP_CAPS_SIZE]);
/* Bluetooth codec */
pa_bt_codec bt_codec;
} pa_a2dp_endpoint_conf;
#endif
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