Merge commit '227425b90e9a671118026689dd30967e127a1090' as 'external/toxcore/c-toxcore'

2023-07-25 11:53:09 +02:00
parent 310a099f14 227425b90e
commit 5568b70d31
467 changed files with 116591 additions and 0 deletions
--- a/external/toxcore/c-toxcore/toxav/audio.h
+++ b/external/toxcore/c-toxcore/toxav/audio.h
@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-3.0-or-later
+ * Copyright © 2016-2018 The TokTok team.
+ * Copyright © 2013-2015 Tox project.
+ */
+#ifndef C_TOXCORE_TOXAV_AUDIO_H
+#define C_TOXCORE_TOXAV_AUDIO_H
+
+#include <opus.h>
+#include <pthread.h>
+
+#include "toxav.h"
+
+#include "../toxcore/logger.h"
+#include "../toxcore/util.h"
+#include "rtp.h"
+
+#define AUDIO_JITTERBUFFER_COUNT 3
+#define AUDIO_MAX_SAMPLE_RATE 48000
+#define AUDIO_MAX_CHANNEL_COUNT 2
+
+#define AUDIO_START_SAMPLE_RATE 48000
+#define AUDIO_START_BITRATE 48000
+#define AUDIO_START_CHANNEL_COUNT 2
+#define AUDIO_OPUS_PACKET_LOSS_PERC 10
+#define AUDIO_OPUS_COMPLEXITY 10
+
+#define AUDIO_DECODER_START_SAMPLE_RATE 48000
+#define AUDIO_DECODER_START_CHANNEL_COUNT 1
+
+#define AUDIO_MAX_FRAME_DURATION_MS 120
+
+// ((sampling_rate_in_hz * frame_duration_in_ms) / 1000) * 2 // because PCM16 needs 2 bytes for 1 sample
+// These are per frame and per channel.
+#define AUDIO_MAX_BUFFER_SIZE_PCM16 ((AUDIO_MAX_SAMPLE_RATE * AUDIO_MAX_FRAME_DURATION_MS) / 1000)
+#define AUDIO_MAX_BUFFER_SIZE_BYTES (AUDIO_MAX_BUFFER_SIZE_PCM16 * 2)
+
+typedef struct ACSession {
+    Mono_Time *mono_time;
+    const Logger *log;
+
+    /* encoding */
+    OpusEncoder *encoder;
+    uint32_t le_sample_rate; /* Last encoder sample rate */
+    uint8_t le_channel_count; /* Last encoder channel count */
+    uint32_t le_bit_rate; /* Last encoder bit rate */
+
+    /* decoding */
+    OpusDecoder *decoder;
+    uint8_t lp_channel_count; /* Last packet channel count */
+    uint32_t lp_sampling_rate; /* Last packet sample rate */
+    uint32_t lp_frame_duration; /* Last packet frame duration */
+    uint32_t ld_sample_rate; /* Last decoder sample rate */
+    uint8_t ld_channel_count; /* Last decoder channel count */
+    uint64_t ldrts; /* Last decoder reconfiguration time stamp */
+    void *j_buf;
+
+    pthread_mutex_t queue_mutex[1];
+
+    ToxAV *av;
+    uint32_t friend_number;
+    /* Audio frame receive callback */
+    toxav_audio_receive_frame_cb *acb;
+    void *acb_user_data;
+} ACSession;
+
+ACSession *ac_new(Mono_Time *mono_time, const Logger *log, ToxAV *av, uint32_t friend_number,
+                  toxav_audio_receive_frame_cb *cb, void *cb_data);
+void ac_kill(ACSession *ac);
+void ac_iterate(ACSession *ac);
+int ac_queue_message(Mono_Time *mono_time, void *acp, struct RTPMessage *msg);
+int ac_reconfigure_encoder(ACSession *ac, uint32_t bit_rate, uint32_t sampling_rate, uint8_t channels);
+
+#endif // C_TOXCORE_TOXAV_AUDIO_H