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89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/** audio.h
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*
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* Copyright (C) 2013-2015 Tox project All Rights Reserved.
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*
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* This file is part of Tox.
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*
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* Tox is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Tox 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Tox. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef AUDIO_H
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#define AUDIO_H
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#include <opus.h>
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#include <pthread.h>
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#include "toxav.h"
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#include "../toxcore/util.h"
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struct RTPMessage_s;
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/*
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* Base Audio Codec session type.
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*/
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typedef struct ACSession_s {
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/* encoding */
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OpusEncoder *encoder;
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int32_t last_encoding_sampling_rate;
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int32_t last_encoding_channel_count;
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int32_t last_encoding_bit_rate;
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/* Testing encoder for dynamic bit rate streaming */
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OpusEncoder *test_encoder;
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int32_t last_test_encoding_sampling_rate;
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int32_t last_test_encoding_channel_count;
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int32_t last_test_encoding_bit_rate;
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/* decoding */
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OpusDecoder *decoder;
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int32_t last_packet_channel_count;
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int32_t last_packet_sampling_rate;
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int32_t last_packet_frame_duration;
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int32_t last_decoding_sampling_rate;
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int32_t last_decoding_channel_count;
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uint64_t last_decoder_reconfiguration;
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void *j_buf;
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pthread_mutex_t queue_mutex[1];
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ToxAV* av;
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uint32_t friend_number;
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PAIR(toxav_audio_receive_frame_cb *, void *) acb; /* Audio frame receive callback */
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} ACSession;
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/*
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* Create new Audio Codec session.
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*/
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ACSession* ac_new(ToxAV* av, uint32_t friend_number, toxav_audio_receive_frame_cb *cb, void *cb_data);
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/*
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* Kill the Audio Codec session.
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*/
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void ac_kill(ACSession* ac);
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/*
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* Do periodic work. Work is consisted out of decoding only.
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*/
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void ac_do(ACSession* ac);
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/*
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* Queue new rtp message.
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*/
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int ac_queue_message(void *acp, struct RTPMessage_s *msg);
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/*
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* Set new values to the encoders.
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*/
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int ac_reconfigure_encoder(ACSession* ac, int32_t bit_rate, int32_t sampling_rate, uint8_t channels);
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int ac_reconfigure_test_encoder(ACSession* ac, int32_t bit_rate, int32_t sampling_rate, uint8_t channels);
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#endif /* AUDIO_H */ |