Green Sky
227425b90e
git-subtree-dir: external/toxcore/c-toxcore git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2016-2018 The TokTok team.
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* Copyright © 2013-2015 Tox project.
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*/
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#ifndef C_TOXCORE_TOXAV_AUDIO_H
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#define C_TOXCORE_TOXAV_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/logger.h"
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#include "../toxcore/util.h"
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#include "rtp.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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typedef struct ACSession {
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Mono_Time *mono_time;
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const Logger *log;
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/* encoding */
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OpusEncoder *encoder;
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uint32_t le_sample_rate; /* Last encoder sample rate */
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uint8_t le_channel_count; /* Last encoder channel count */
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uint32_t le_bit_rate; /* Last encoder bit rate */
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/* decoding */
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OpusDecoder *decoder;
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uint8_t lp_channel_count; /* Last packet channel count */
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uint32_t lp_sampling_rate; /* Last packet sample rate */
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uint32_t lp_frame_duration; /* Last packet frame duration */
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uint32_t ld_sample_rate; /* Last decoder sample rate */
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uint8_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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/* Audio frame receive callback */
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toxav_audio_receive_frame_cb *acb;
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void *acb_user_data;
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} ACSession;
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ACSession *ac_new(Mono_Time *mono_time, const Logger *log, ToxAV *av, uint32_t friend_number,
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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(Mono_Time *mono_time, void *acp, struct RTPMessage *msg);
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int ac_reconfigure_encoder(ACSession *ac, uint32_t bit_rate, uint32_t sampling_rate, uint8_t channels);
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#endif // C_TOXCORE_TOXAV_AUDIO_H
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