bool reconfigure_audio_encoder(Logger *log, OpusEncoder **e, int32_t new_br, int32_t new_sr, uint8_t new_ch,
int32_t *old_br, int32_t *old_sr, int32_t *old_ch)
{
/* Values are checked in toxav.c */
if (*old_sr != new_sr || *old_ch != new_ch) {
OpusEncoder *new_encoder = create_audio_encoder(log, new_br, new_sr, new_ch);
if (new_encoder == NULL) {
return false;
}
opus_encoder_destroy(*e);
*e = new_encoder;
} else if (*old_br == new_br) {
return true; /* Nothing changed */
}
int status = opus_encoder_ctl(*e, OPUS_SET_BITRATE(new_br));
if (status != OPUS_OK) {
LOGGER_ERROR(log, "Error while setting encoder ctl: %s", opus_strerror(status));
return false;
}
*old_br = new_br;
*old_sr = new_sr;
*old_ch = new_ch;
LOGGER_DEBUG(log, "Reconfigured audio encoder br: %d sr: %d cc:%d", new_br, new_sr, new_ch);
return true;
}
JNIEXPORT jlong JNICALL createAudioEncoder(JNIEnv* env, jclass clasz,
jobject typeObj, jint sample_rate, jint channel, jint sample_szie,
jint bitrate) {
jclass clazz = NULL;
clazz = (env)->GetObjectClass(typeObj);
if (clazz == NULL) {
LOGD("GetObjectClass error");
return JNI_FALSE;
}
jmethodID getType = (env)->GetMethodID(clazz, "type", "()I");
jint type = env->CallIntMethod(typeObj, getType);
audio_codec_type_t nativeType = getAudioCodecType(type);
return create_audio_encoder(nativeType, sample_rate, channel, sample_szie, bitrate);
}
ACSession *ac_new(Logger *log, ToxAV *av, uint32_t friend_number, toxav_audio_receive_frame_cb *cb, void *cb_data)
{
ACSession *ac = (ACSession *)calloc(sizeof(ACSession), 1);
if (!ac) {
LOGGER_WARNING(log, "Allocation failed! Application might misbehave!");
return NULL;
}
if (create_recursive_mutex(ac->queue_mutex) != 0) {
LOGGER_WARNING(log, "Failed to create recursive mutex!");
free(ac);
return NULL;
}
int status;
ac->decoder = opus_decoder_create(48000, 2, &status);
if (status != OPUS_OK) {
LOGGER_ERROR(log, "Error while starting audio decoder: %s", opus_strerror(status));
goto BASE_CLEANUP;
}
if (!(ac->j_buf = jbuf_new(3))) {
LOGGER_WARNING(log, "Jitter buffer creaton failed!");
opus_decoder_destroy(ac->decoder);
goto BASE_CLEANUP;
}
ac->log = log;
/* Initialize encoders with default values */
ac->encoder = create_audio_encoder(log, 48000, 48000, 2);
if (ac->encoder == NULL) {
goto DECODER_CLEANUP;
}
ac->le_bit_rate = 48000;
ac->le_sample_rate = 48000;
ac->le_channel_count = 2;
ac->ld_channel_count = 2;
ac->ld_sample_rate = 48000;
ac->ldrts = 0; /* Make it possible to reconfigure straight away */
/* These need to be set in order to properly
* do error correction with opus */
ac->lp_frame_duration = 120;
ac->lp_sampling_rate = 48000;
ac->lp_channel_count = 1;
ac->av = av;
ac->friend_number = friend_number;
ac->acb.first = cb;
ac->acb.second = cb_data;
return ac;
DECODER_CLEANUP:
opus_decoder_destroy(ac->decoder);
jbuf_free((struct JitterBuffer *)ac->j_buf);
BASE_CLEANUP:
pthread_mutex_destroy(ac->queue_mutex);
free(ac);
return NULL;
}
