mirror of
https://github.com/irungentoo/toxcore.git
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86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/*
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* Copyright © 2016-2017 The TokTok team.
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* Copyright © 2013-2015 Tox project.
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*
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* This file is part of Tox, the free peer to peer instant messenger.
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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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#ifndef AUDIO_H
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#define AUDIO_H
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#include "toxav.h"
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#include "../toxcore/logger.h"
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#include "../toxcore/util.h"
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#include <opus.h>
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#include <pthread.h>
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#define AUDIO_JITTERBUFFER_COUNT 3
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#define AUDIO_MAX_SAMPLE_RATE 48000
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#define AUDIO_MAX_CHANNEL_COUNT 2
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#define AUDIO_START_SAMPLE_RATE 48000
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#define AUDIO_START_BITRATE 48000
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#define AUDIO_START_CHANNEL_COUNT 2
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#define AUDIO_OPUS_PACKET_LOSS_PERC 10
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#define AUDIO_OPUS_COMPLEXITY 10
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#define AUDIO_DECODER_START_SAMPLE_RATE 48000
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#define AUDIO_DECODER_START_CHANNEL_COUNT 1
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#define AUDIO_MAX_FRAME_DURATION_MS 120
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// ((sampling_rate_in_hz * frame_duration_in_ms) / 1000) * 2 // because PCM16 needs 2 bytes for 1 sample
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// These are per frame and per channel.
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#define AUDIO_MAX_BUFFER_SIZE_PCM16 ((AUDIO_MAX_SAMPLE_RATE * AUDIO_MAX_FRAME_DURATION_MS) / 1000)
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#define AUDIO_MAX_BUFFER_SIZE_BYTES (AUDIO_MAX_BUFFER_SIZE_PCM16 * 2)
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struct RTPMessage;
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typedef struct ACSession_s {
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Logger *log;
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/* encoding */
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OpusEncoder *encoder;
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int32_t le_sample_rate; /* Last encoder sample rate */
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int32_t le_channel_count; /* Last encoder channel count */
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int32_t le_bit_rate; /* Last encoder bit rate */
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/* decoding */
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OpusDecoder *decoder;
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int32_t lp_channel_count; /* Last packet channel count */
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int32_t lp_sampling_rate; /* Last packet sample rate */
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int32_t lp_frame_duration; /* Last packet frame duration */
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int32_t ld_sample_rate; /* Last decoder sample rate */
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int32_t ld_channel_count; /* Last decoder channel count */
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uint64_t ldrts; /* Last decoder reconfiguration time stamp */
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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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ACSession *ac_new(Logger *log, ToxAV *av, uint32_t friend_number, toxav_audio_receive_frame_cb *cb, void *cb_data);
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void ac_kill(ACSession *ac);
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void ac_iterate(ACSession *ac);
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int ac_queue_message(void *acp, struct RTPMessage *msg);
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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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#endif /* AUDIO_H */
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