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manage decoders with ssrc updates

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This commit is contained in:
ouwou
2022-09-28 20:44:52 -04:00
parent a79b2d418e
commit d57d822aa9
10 changed files with 246 additions and 37 deletions
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45
src/audio/manager.cpp
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@@ -107,8 +107,28 @@ AudioManager::AudioManager() {
AudioManager::~AudioManager() {
ma_device_uninit(&m_device);
ma_device_uninit(&m_capture_device);
for (auto &[ssrc, pair] : m_sources) {
opus_decoder_destroy(pair.second);
RemoveAllSSRCs();
}
void AudioManager::AddSSRC(uint32_t ssrc) {
int error;
auto *decoder = opus_decoder_create(48000, 2, &error);
m_sources.insert(std::make_pair(ssrc, std::make_pair(std::deque<int16_t> {}, decoder)));
}
void AudioManager::RemoveSSRC(uint32_t ssrc) {
if (auto it = m_sources.find(ssrc); it != m_sources.end()) {
opus_decoder_destroy(it->second.second);
m_sources.erase(it);
}
}
void AudioManager::RemoveAllSSRCs() {
puts("remove all ssrc");
for (auto it = m_sources.begin(); it != m_sources.end();) {
opus_decoder_destroy(it->second.second);
m_sources.erase(it);
it++;
}
}
@@ -120,18 +140,15 @@ void AudioManager::FeedMeOpus(uint32_t ssrc, const std::vector<uint8_t> &data) {
size_t payload_size = 0;
const auto *opus_encoded = StripRTPExtensionHeader(data.data(), static_cast<int>(data.size()), payload_size);
static std::array<opus_int16, 120 * 48 * 2> pcm;
if (m_sources.find(ssrc) == m_sources.end()) {
int err;
auto *decoder = opus_decoder_create(48000, 2, &err);
m_sources.insert(std::make_pair(ssrc, std::make_pair(std::deque<int16_t> {}, decoder)));
}
int decoded = opus_decode(m_sources.at(ssrc).second, opus_encoded, static_cast<opus_int32>(payload_size), pcm.data(), 120 * 48, 0);
if (decoded <= 0) {
} else {
m_mutex.lock();
auto &buf = m_sources.at(ssrc).first;
buf.insert(buf.end(), pcm.begin(), pcm.begin() + decoded * 2);
m_mutex.unlock();
if (auto it = m_sources.find(ssrc); it != m_sources.end()) {
int decoded = opus_decode(it->second.second, opus_encoded, static_cast<opus_int32>(payload_size), pcm.data(), 120 * 48, 0);
if (decoded <= 0) {
} else {
m_mutex.lock();
auto &buf = it->second.first;
buf.insert(buf.end(), pcm.begin(), pcm.begin() + decoded * 2);
m_mutex.unlock();
}
}
}