SDRPlusPlus/recorder/src/main.cpp

243 wiersze
9.1 KiB
C++

#include <imgui.h>
#include <module.h>
#include <watcher.h>
#include <wav.h>
#include <dsp/types.h>
#include <dsp/stream.h>
#include <thread>
#include <ctime>
#include <gui/gui.h>
#include <signal_path/signal_path.h>
#include <config.h>
#define CONCAT(a, b) ((std::string(a) + b).c_str())
// TODO: Fix this and finish module
std::string genFileName(std::string prefix) {
time_t now = time(0);
tm *ltm = localtime(&now);
char buf[1024];
sprintf(buf, "%02d-%02d-%02d_%02d-%02d-%02d.wav", ltm->tm_hour, ltm->tm_min, ltm->tm_sec, ltm->tm_mday, ltm->tm_mon + 1, ltm->tm_year + 1900);
return prefix + buf;
}
void streamRemovedHandler(void* ctx) {
}
void sampleRateChanged(void* ctx, double sampleRate, int blockSize) {
}
class RecorderModule {
public:
RecorderModule(std::string name) {
this->name = name;
recording = false;
selectedStreamName = "";
selectedStreamId = 0;
lastNameList = "";
gui::menu.registerEntry(name, menuHandler, this);
}
~RecorderModule() {
}
private:
static void menuHandler(void* ctx) {
RecorderModule* _this = (RecorderModule*)ctx;
float menuColumnWidth = ImGui::GetContentRegionAvailWidth();
std::vector<std::string> streamNames = sigpath::sinkManager.getStreamNames();
std::string nameList;
for (std::string name : streamNames) {
nameList += name;
nameList += '\0';
}
if (nameList == "") {
ImGui::Text("No audio stream available");
return;
}
if (_this->lastNameList != nameList) {
_this->lastNameList = nameList;
auto _nameIt = std::find(streamNames.begin(), streamNames.end(), _this->selectedStreamName);
if (_nameIt == streamNames.end()) {
// TODO: verify if there even is a stream
_this->selectedStreamId = 0;
_this->selectedStreamName = streamNames[_this->selectedStreamId];
}
else {
_this->selectedStreamId = std::distance(streamNames.begin(), _nameIt);
_this->selectedStreamName = streamNames[_this->selectedStreamId];
}
}
ImGui::BeginGroup();
// TODO: Change VFO ref in signal path
ImGui::Columns(3, CONCAT("RecordModeColumns##_", _this->name), false);
if (ImGui::RadioButton(CONCAT("Baseband##_", _this->name), _this->recMode == 0) && _this->recMode != 0) {
_this->recMode = 0;
}
ImGui::NextColumn();
if (ImGui::RadioButton(CONCAT("Audio##_", _this->name), _this->recMode == 1) && _this->recMode != 1) {
_this->recMode = 1;
}
ImGui::NextColumn();
if (ImGui::RadioButton(CONCAT("VFO##_", _this->name), _this->recMode == 2) && _this->recMode != 2) {
_this->recMode = 2;
}
ImGui::Columns(1, CONCAT("EndRecordModeColumns##_", _this->name), false);
ImGui::EndGroup();
if (_this->recMode == 0) {
ImGui::PushItemWidth(menuColumnWidth);
if (!_this->recording) {
if (ImGui::Button("Record", ImVec2(menuColumnWidth, 0))) {
_this->samplesWritten = 0;
_this->sampleRate = sigpath::signalPath.getSampleRate();
_this->writer = new WavWriter(ROOT_DIR "/recordings/" + genFileName("baseband_"), 16, 2, _this->sampleRate);
_this->iqStream = new dsp::stream<dsp::complex_t>;
sigpath::signalPath.bindIQStream(_this->iqStream);
_this->workerThread = std::thread(_iqWriteWorker, _this);
_this->recording = true;
_this->startTime = time(0);
}
ImGui::TextColored(ImGui::GetStyleColorVec4(ImGuiCol_Text), "Idle --:--:--");
}
else {
if (ImGui::Button("Stop", ImVec2(menuColumnWidth, 0))) {
_this->iqStream->stopReader();
_this->workerThread.join();
_this->iqStream->clearReadStop();
sigpath::signalPath.unbindIQStream(_this->iqStream);
_this->writer->close();
delete _this->writer;
_this->recording = false;
}
uint64_t seconds = _this->samplesWritten / (uint64_t)_this->sampleRate;
time_t diff = seconds;
tm *dtm = gmtime(&diff);
ImGui::TextColored(ImVec4(1.0f, 0.0f, 0.0f, 1.0f), "Recording %02d:%02d:%02d", dtm->tm_hour, dtm->tm_min, dtm->tm_sec);
}
}
else if (_this->recMode == 1) {
ImGui::PushItemWidth(menuColumnWidth);
if (!_this->recording) {
if (ImGui::Combo(CONCAT("##_strea_select_", _this->name), &_this->selectedStreamId, nameList.c_str())) {
_this->selectedStreamName = streamNames[_this->selectedStreamId];
}
}
else {
ImGui::PushItemFlag(ImGuiItemFlags_Disabled, true);
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.44f, 0.44f, 0.44f, 0.15f));
ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.20f, 0.21f, 0.22f, 0.30f));
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.00f, 1.00f, 1.00f, 0.65f));
ImGui::Combo(CONCAT("##_strea_select_", _this->name), &_this->selectedStreamId, nameList.c_str());
ImGui::PopItemFlag();
ImGui::PopStyleColor(3);
}
if (!_this->recording) {
if (ImGui::Button("Record", ImVec2(menuColumnWidth, 0))) {
_this->samplesWritten = 0;
_this->sampleRate = sigpath::sinkManager.getStreamSampleRate(_this->selectedStreamName);
_this->writer = new WavWriter(ROOT_DIR "/recordings/" + genFileName("audio_"), 16, 2, _this->sampleRate);
_this->audioStream = sigpath::sinkManager.bindStream(_this->selectedStreamName);
_this->workerThread = std::thread(_audioWriteWorker, _this);
_this->recording = true;
_this->startTime = time(0);
}
ImGui::TextColored(ImGui::GetStyleColorVec4(ImGuiCol_Text), "Idle --:--:--");
}
else {
if (ImGui::Button("Stop", ImVec2(menuColumnWidth, 0))) {
_this->audioStream->stopReader();
_this->workerThread.join();
_this->audioStream->clearReadStop();
sigpath::sinkManager.unbindStream(_this->selectedStreamName, _this->audioStream);
_this->writer->close();
delete _this->writer;
_this->recording = false;
}
uint64_t seconds = _this->samplesWritten / (uint64_t)_this->sampleRate;
time_t diff = seconds;
tm *dtm = gmtime(&diff);
ImGui::TextColored(ImVec4(1.0f, 0.0f, 0.0f, 1.0f), "Recording %02d:%02d:%02d", dtm->tm_hour, dtm->tm_min, dtm->tm_sec);
}
}
}
static void _audioWriteWorker(RecorderModule* _this) {
int16_t* sampleBuf = new int16_t[STREAM_BUFFER_SIZE * 2];
while (true) {
int count = _this->audioStream->read();
if (count < 0) { break; }
for (int i = 0; i < count; i++) {
sampleBuf[(i * 2) + 0] = _this->audioStream->data[i].l * 0x7FFF;
sampleBuf[(i * 2) + 1] = _this->audioStream->data[i].r * 0x7FFF;
}
_this->audioStream->flush();
_this->samplesWritten += count;
_this->writer->writeSamples(sampleBuf, count * sizeof(int16_t) * 2);
}
delete[] sampleBuf;
}
static void _iqWriteWorker(RecorderModule* _this) {
int16_t* sampleBuf = new int16_t[STREAM_BUFFER_SIZE];
while (true) {
int count = _this->iqStream->read();
if (count < 0) { break; }
for (int i = 0; i < count; i++) {
sampleBuf[(i * 2) + 0] = _this->iqStream->data[i].q * 0x7FFF;
sampleBuf[(i * 2) + 1] = _this->iqStream->data[i].i * 0x7FFF;
}
_this->iqStream->flush();
_this->samplesWritten += count;
_this->writer->writeSamples(sampleBuf, count * sizeof(int16_t) * 2);
}
delete[] sampleBuf;
}
std::string name;
dsp::stream<dsp::stereo_t>* audioStream;
dsp::stream<dsp::complex_t>* iqStream;
WavWriter* writer;
std::thread workerThread;
bool recording;
time_t startTime;
std::string lastNameList;
std::string selectedStreamName;
int selectedStreamId;
uint64_t samplesWritten;
float sampleRate;
int recMode = 0;
};
struct RecorderContext_t {
std::string name;
};
MOD_EXPORT void _INIT_() {
// Nothing here
}
MOD_EXPORT void* _CREATE_INSTANCE_(std::string name) {
RecorderModule* instance = new RecorderModule(name);
return instance;
}
MOD_EXPORT void _DELETE_INSTANCE_() {
}
MOD_EXPORT void _STOP_(RecorderContext_t* ctx) {
}