mumsi/MumbleCommunicator.cpp
2015-09-28 23:25:12 +02:00

108 lines
3.6 KiB
C++

#include <cstring>
#include <functional>
#include "MumbleCommunicator.hpp"
void mumble_serversync_callback(char *welcome_text,
int32_t session,
int32_t max_bandwidth,
int64_t permissions,
void *userData) {
printf("%s\n", welcome_text);
}
static int verify_cert(uint8_t *, uint32_t) {
// Accept every cert
return 1;
}
void mumble::MumbleCommunicator::receiveAudioFrameCallback(uint8_t *audio_data, uint32_t audio_data_size) {
int dataPointer = 1;
opus_int16 pcmData[1024];
if (audio_data[0] == 0x80) {
int64_t sessionId;
int64_t sequenceNumber;
int64_t opusDataLength;
bool lastPacket;
dataPointer += mumble_parse_variant(&sessionId, &audio_data[dataPointer]);
dataPointer += mumble_parse_variant(&sequenceNumber, &audio_data[dataPointer]);
dataPointer += mumble_parse_variant(&opusDataLength, &audio_data[dataPointer]);
lastPacket = (opusDataLength & 0x2000) != 0;
opusDataLength = opusDataLength & 0x1fff;
unsigned int iAudioBufferSize;
unsigned int iFrameSize = mumble::SAMPLE_RATE / 100;
iAudioBufferSize = iFrameSize;
iAudioBufferSize *= 12;
int decodedSamples = opus_decode(opusState,
reinterpret_cast<const unsigned char *>(&audio_data[dataPointer]),
opusDataLength,
pcmData,
iAudioBufferSize,
0);
printf("\nsessionId: %ld, seqNum: %ld, opus data len: %ld, last: %d, pos: %ld, decoded: %d\n",
sessionId, sequenceNumber, opusDataLength, lastPacket, dataPointer, decodedSamples);
} else {
printf("I received %d bytes of audio data\n", audio_data_size);
}
}
static void mumble_audio_callback(uint8_t *audio_data, uint32_t audio_data_size, void *userData) {
mumble::MumbleCommunicator *mumbleCommunicator = static_cast<mumble::MumbleCommunicator *>(userData);
mumbleCommunicator->receiveAudioFrameCallback(audio_data, audio_data_size);
}
mumble::MumbleCommunicator::MumbleCommunicator(std::string user, std::string password, std::string host, int port) {
opusState = opus_decoder_create(SAMPLE_RATE, 1, nullptr); //todo grab error
struct mumble_config config;
std::memset(&config, 0, sizeof(config));
config.user_data = this;
config.size = sizeof(config);
config.host = const_cast<char *>(host.c_str());
if (port > 0) {
config.port = const_cast<char *>(std::to_string(port).c_str());
}
config.server_password = const_cast<char *>(password.c_str());
config.username = const_cast<char *>(user.c_str());
config.user_cert_filename = nullptr;
config.user_privkey_filename = nullptr;
config.ssl_verification_callback = verify_cert;
config.audio_callback = mumble_audio_callback;
config.serversync_callback = mumble_serversync_callback;
mumble = mumble_connect(nullptr, &config);
if (mumble == nullptr) {
throw mumble::Exception("couldn't establish mumble connection");
}
}
mumble::MumbleCommunicator::~MumbleCommunicator() {
mumble_close(mumble);
}
void mumble::MumbleCommunicator::loop() {
int quit = 0;
while (quit == 0) {
int status = mumble_tick(mumble);
if (status < 0) {
throw mumble::Exception("mumble_tick status " + status);
}
//todo Other processing here?
}
}