void runRecording() {
cout << "running callback" << endl;
_Info("runRecording");
sc->SwitchToRecordMode();
sc->SetKeyboardHook(121);
AudioCap* workers[10];
int dev_count = 0;
char *devices = argv[3];
if (strcmp(devices, "-1")) {
while (1) {
char *ind = strsep(&devices, ":");
if (!ind)
break;
int index = atoi(ind);
if (index >= device_count) {
_ErrorF("Invalid index %d", index);
continue;
}
#ifdef _WIN32
workers[dev_count] = (AudioCap*)new AudioCapWindows();
#else
workers[dev_count] = (AudioCap*)new AudioCapMac();
#endif
if (!workers[dev_count]) {
_ErrorF("Unable to create device no %d for source no %d", dev_count, index);
exit(-1);;
}
int res = workers[dev_count]->StartRecording(index);
if (-1==res) {
_InfoF("Unable to start recording for source no %d", index);
}
dev_count++;
}
}
int fps = atoi((const char*)argv[2]);
uint64_t interval = 1000 / uint64_t(fps);
av_register_all();
Sleep(interval);
char *fname = argv[1];
BOOL highlight = true;
if (atoi(argv[5]) == 0) {
highlight = false;
}
int out_w=r.w;
int out_h=r.h;
// no support for 4K videos, and Retina is cropped 2x
if (out_w>=2560) {
out_w/=2;
out_h/=2;
}
VideoEncoder *ve = new VideoEncoder(out_w, out_h, fps, fname);
ve->Init(dev_count>0);
AVFrame *scaled_frame = AllocFrame(out_w, out_h, AV_PIX_FMT_YUV420P);
// continue while the user hasn't pressed F10 to stop or
// ctrl-c didn't come from main app
uint64_t audio_pts = 0;
AVFrame *f = NULL;
f = sc->GetNextFrame(r, highlight);
ResizeFrame(f, scaled_frame);
// initialize audio and video input at the same time
uint64_t start_time = TimeMs();
uint64_t zero_pts = start_time;
int number = -1;
SoundFrame out;
while (!atomic_quit && !sc->GetFlag() && !feof(stdin)) {
number++;
uint64_t t = TimeMs();
double pts = double(number) / (double)fps;
ve->encodeFrame(scaled_frame, pts, false);
while (dev_count) {
memset(&out.data, 0, kAudioPacketSamples * 4);
for (int i = 0; i < dev_count; i++) {
AudioCap *ac = workers[i];
SoundFrame* f = ac->GetNextFrame();
if (f) {
_InfoF("frame from %d", i);
putOverlay((short*)&out.data, (short*)f->data, 1.0);
ac->TruncateHead();
} else {
_Info("no frames yet!");
}
}
out.pts = audio_pts;
audio_pts+=1024;
ve->encodeAudioFrame(&out);
bool quit = false;
double cmp = (double)(number+1)/(double)fps*44100.0;
if (audio_pts >= cmp)
break;
}
fprintf(stderr, "OK\n");
int rest = 0;
f = sc->GetNextFrame(r, highlight);
ResizeFrame(f, scaled_frame);
do {
sc->HandleEvents();
t = TimeMs();
rest = (size_t)(start_time + interval - t);
if (rest > 0) {
Sleep(1);
rest--;
}
} while (rest > 0);
start_time += interval;
};
_InfoF("quit is %d", atomic_quit);
sc->Unhook();
delete ve;
delete sc;
}