ea14a46bff
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61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later
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* Copyright © 2016-2025 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 <stddef.h>
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#include <stdint.h>
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#include "../toxcore/logger.h"
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#include "../toxcore/mono_time.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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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 void ac_audio_receive_frame_cb(uint32_t friend_number, const int16_t *_Nonnull pcm, size_t sample_count,
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uint8_t channels, uint32_t sampling_rate, void *_Nullable user_data);
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typedef struct ACSession ACSession;
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struct RTPMessage;
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ACSession *_Nullable ac_new(Mono_Time *_Nonnull mono_time, const Logger *_Nonnull log, uint32_t friend_number,
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ac_audio_receive_frame_cb *_Nullable cb, void *_Nullable user_data);
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void ac_kill(ACSession *_Nullable ac);
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void ac_iterate(ACSession *_Nullable ac);
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int ac_queue_message(const Mono_Time *_Nonnull mono_time, void *_Nullable cs, struct RTPMessage *_Nullable msg);
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int ac_reconfigure_encoder(ACSession *_Nullable ac, uint32_t bit_rate, uint32_t sampling_rate, uint8_t channels);
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uint32_t ac_get_lp_frame_duration(const ACSession *_Nonnull ac);
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int ac_encode(ACSession *_Nonnull ac, const int16_t *_Nonnull pcm, size_t sample_count, uint8_t *_Nonnull dest, size_t dest_max);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* C_TOXCORE_TOXAV_AUDIO_H */
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