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