/**
* @brief Send audio frame to a friend
* @param callId Id of friend in call list.
* @param pcm An array of audio samples (Pulse-code modulation).
* @param samples Number of samples in this frame.
* @param chans Number of audio channels.
* @param rate Audio sampling rate used in this frame.
* @return False only on error, but not if there's nothing to send.
*/
bool CoreAV::sendCallAudio(uint32_t callId, const int16_t *pcm, size_t samples, uint8_t chans, uint32_t rate)
{
if (!calls.contains(callId))
return false;
ToxFriendCall& call = calls[callId];
if (call.muteMic || call.inactive
|| !(call.state & TOXAV_FRIEND_CALL_STATE_ACCEPTING_A))
{
return true;
}
// TOXAV_ERR_SEND_FRAME_SYNC means toxav failed to lock, retry 5 times in this case
TOXAV_ERR_SEND_FRAME err;
int retries = 0;
do {
if (!toxav_audio_send_frame(toxav, callId, pcm, samples, chans, rate, &err))
{
if (err == TOXAV_ERR_SEND_FRAME_SYNC)
{
++retries;
QThread::usleep(500);
}
else
{
qDebug() << "toxav_audio_send_frame error: "<<err;
}
}
} while (err == TOXAV_ERR_SEND_FRAME_SYNC && retries < 5);
if (err == TOXAV_ERR_SEND_FRAME_SYNC)
qDebug() << "toxav_audio_send_frame error: Lock busy, dropping frame";
return true;
}
/**
* @brief Send audio frame to a friend
* @param callId Id of friend in call list.
* @param pcm An array of audio samples (Pulse-code modulation).
* @param samples Number of samples in this frame.
* @param chans Number of audio channels.
* @param rate Audio sampling rate used in this frame.
* @return False only on error, but not if there's nothing to send.
*/
bool CoreAV::sendCallAudio(uint32_t callId, const int16_t* pcm, size_t samples, uint8_t chans,
uint32_t rate) const
{
auto it = calls.find(callId);
if (it == calls.end()) {
return false;
}
ToxFriendCall const& call = it->second;
if (call.getMuteMic() || !call.isActive()
|| !(call.getState() & TOXAV_FRIEND_CALL_STATE_ACCEPTING_A)) {
return true;
}
// TOXAV_ERR_SEND_FRAME_SYNC means toxav failed to lock, retry 5 times in this case
TOXAV_ERR_SEND_FRAME err;
int retries = 0;
do {
if (!toxav_audio_send_frame(toxav, callId, pcm, samples, chans, rate, &err)) {
if (err == TOXAV_ERR_SEND_FRAME_SYNC) {
++retries;
QThread::usleep(500);
} else {
qDebug() << "toxav_audio_send_frame error: " << err;
}
}
} while (err == TOXAV_ERR_SEND_FRAME_SYNC && retries < 5);
if (err == TOXAV_ERR_SEND_FRAME_SYNC) {
qDebug() << "toxav_audio_send_frame error: Lock busy, dropping frame";
}
return true;
}
void read_device_callback(const int16_t* captured, uint32_t size, void* data)
{
TOXAV_ERR_SEND_FRAME error;
uint32_t friend_number = *((uint32_t*)data); /* TODO: Or pass an array of call_idx's */
int64_t sample_count = CallControl.audio_sample_rate * CallControl.audio_frame_duration / 1000;
if ( sample_count <= 0 || toxav_audio_send_frame(CallControl.av, friend_number,
captured, sample_count,
CallControl.audio_channels,
CallControl.audio_sample_rate, &error) == false )
{}
}
static void *call_thread(void *pd)
{
ToxAV *AliceAV = ((thread_data *) pd)->AliceAV;
ToxAV *BobAV = ((thread_data *) pd)->BobAV;
CallControl *AliceCC = ((thread_data *) pd)->AliceCC;
CallControl *BobCC = ((thread_data *) pd)->BobCC;
uint32_t friend_number = ((thread_data *) pd)->friend_number;
memset(AliceCC, 0, sizeof(CallControl));
memset(BobCC, 0, sizeof(CallControl));
{ /* Call */
TOXAV_ERR_CALL rc;
toxav_call(AliceAV, friend_number, 48, 3000, &rc);
if (rc != TOXAV_ERR_CALL_OK) {
printf("toxav_call failed: %d\n", rc);
ck_assert(0);
}
}
while (!BobCC->incoming) {
c_sleep(10);
}
{ /* Answer */
TOXAV_ERR_ANSWER rc;
toxav_answer(BobAV, 0, 8, 500, &rc);
if (rc != TOXAV_ERR_ANSWER_OK) {
printf("toxav_answer failed: %d\n", rc);
ck_assert(0);
}
}
c_sleep(30);
int16_t *PCM = (int16_t *)calloc(960, sizeof(int16_t));
uint8_t *video_y = (uint8_t *)calloc(800 * 600, sizeof(uint8_t));
uint8_t *video_u = (uint8_t *)calloc(800 * 600 / 4, sizeof(uint8_t));
uint8_t *video_v = (uint8_t *)calloc(800 * 600 / 4, sizeof(uint8_t));
time_t start_time = time(NULL);
while (time(NULL) - start_time < 4) {
toxav_iterate(AliceAV);
toxav_iterate(BobAV);
toxav_audio_send_frame(AliceAV, friend_number, PCM, 960, 1, 48000, NULL);
toxav_audio_send_frame(BobAV, 0, PCM, 960, 1, 48000, NULL);
toxav_video_send_frame(AliceAV, friend_number, 800, 600, video_y, video_u, video_v, NULL);
toxav_video_send_frame(BobAV, 0, 800, 600, video_y, video_u, video_v, NULL);
c_sleep(10);
}
{ /* Hangup */
TOXAV_ERR_CALL_CONTROL rc;
toxav_call_control(AliceAV, friend_number, TOXAV_CALL_CONTROL_CANCEL, &rc);
if (rc != TOXAV_ERR_CALL_CONTROL_OK) {
printf("toxav_call_control failed: %d %p %p\n", rc, (void *)AliceAV, (void *)BobAV);
}
}
c_sleep(30);
free(PCM);
free(video_y);
free(video_u);
free(video_v);
printf("Closing thread\n");
pthread_exit(NULL);
}