diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/input/Edi.cpp | 110 |
1 files changed, 60 insertions, 50 deletions
diff --git a/src/input/Edi.cpp b/src/input/Edi.cpp index 6078b88..449c221 100644 --- a/src/input/Edi.cpp +++ b/src/input/Edi.cpp @@ -41,19 +41,21 @@ using namespace std; namespace Inputs { -constexpr bool VERBOSE = false; constexpr size_t TCP_BLOCKSIZE = 2048; Edi::Edi(const std::string& name, const dab_input_edi_config_t& config) : RemoteControllable(name), m_tcp_receive_server(TCP_BLOCKSIZE), m_sti_writer(bind(&Edi::m_new_sti_frame_callback, this, placeholders::_1)), - m_sti_decoder(m_sti_writer, VERBOSE), + m_sti_decoder(m_sti_writer), m_max_frames_overrun(config.buffer_size), m_num_frames_prebuffering(config.prebuffering), m_name(name), m_stats(name) { + constexpr bool VERBOSE = false; + m_sti_decoder.set_verbose(VERBOSE); + RC_ADD_PARAMETER(buffermanagement, "Set type of buffer management to use [prebuffering, timestamped]"); @@ -207,63 +209,71 @@ size_t Edi::readFrame(uint8_t *buffer, size_t size, std::time_t seconds, int utc m_stats.notifyBuffer(m_frames.size() * size); if (m_is_prebuffering) { - if (m_pending_sti_frame.frame.empty()) { - memset(buffer, 0, size); - m_stats.notifyUnderrun(); - return 0; - } - else if (m_pending_sti_frame.frame.size() == size) { - // readFrame gets called every 24ms, so we allow max 24ms - // difference between the input frame timestamp and the requested - // timestamp. - if (m_pending_sti_frame.timestamp.valid()) { - auto ts_req = EdiDecoder::frame_timestamp_t::from_unix_epoch(seconds, utco, tsta); - ts_req += m_tist_delay; - const double offset = m_pending_sti_frame.timestamp.diff_ms(ts_req); - - if (offset < 24e-3) { - m_is_prebuffering = false; - etiLog.level(warn) << "EDI input " << m_name << - " valid timestamp, pre-buffering complete"; - - if (not m_pending_sti_frame.version_data.version.empty()) { - m_stats.notifyVersion( - m_pending_sti_frame.version_data.version, - m_pending_sti_frame.version_data.uptime_s); + size_t num_discarded_wrong_size = 0; + size_t num_discarded_invalid_ts = 0; + size_t num_discarded_late = 0; + + while (not m_pending_sti_frame.frame.empty()) { + if (m_pending_sti_frame.frame.size() == size) { + if (m_pending_sti_frame.timestamp.valid()) { + auto ts_req = EdiDecoder::frame_timestamp_t::from_unix_epoch(seconds, utco, tsta); + ts_req += m_tist_delay; + const double offset = ts_req.diff_s(m_pending_sti_frame.timestamp); + + if (offset < 0) { + // Too far in the future + break; } + else if (offset < 24e-3) { + // Just right + m_is_prebuffering = false; + etiLog.level(info) << "EDI input " << m_name << " valid timestamp, pre-buffering complete." << + " Wrong size: " << num_discarded_wrong_size << + " Invalid TS: " << num_discarded_invalid_ts << + " Late: " << num_discarded_late; + + if (not m_pending_sti_frame.version_data.version.empty()) { + m_stats.notifyVersion( + m_pending_sti_frame.version_data.version, + m_pending_sti_frame.version_data.uptime_s); + } - m_stats.notifyPeakLevels(m_pending_sti_frame.audio_levels.left, - m_pending_sti_frame.audio_levels.right); - copy(m_pending_sti_frame.frame.cbegin(), m_pending_sti_frame.frame.cend(), buffer); - m_pending_sti_frame.frame.clear(); - return size; - } - else { - // Wait more, but erase the front of the frame queue to avoid - // stalling on one frame with incorrect timestamp - if (m_frames.size() >= m_max_frames_overrun) { + m_stats.notifyPeakLevels(m_pending_sti_frame.audio_levels.left, + m_pending_sti_frame.audio_levels.right); + copy(m_pending_sti_frame.frame.cbegin(), m_pending_sti_frame.frame.cend(), buffer); m_pending_sti_frame.frame.clear(); + return size; + } + else { + // Too late + num_discarded_late++; } - m_stats.notifyUnderrun(); - memset(buffer, 0, size); - return 0; + } + else { + num_discarded_invalid_ts++; } } else { - etiLog.level(debug) << "EDI input " << m_name << - " skipping frame without timestamp"; - m_pending_sti_frame.frame.clear(); - memset(buffer, 0, size); - return 0; + num_discarded_wrong_size++; } - } - else { - etiLog.level(debug) << "EDI input " << m_name << " size mismatch: " << - m_pending_sti_frame.frame.size() << " received, " << size << " requested"; + m_pending_sti_frame.frame.clear(); - memset(buffer, 0, size); - return 0; + m_frames.try_pop(m_pending_sti_frame); } + + if (num_discarded_wrong_size > 0) { + etiLog.level(warn) << "EDI input " << m_name << ": " << + num_discarded_wrong_size << "packets with wrong size."; + } + + if (num_discarded_invalid_ts > 0) { + etiLog.level(warn) << "EDI input " << m_name << ": " << + num_discarded_wrong_size << "packets with invalid timestamp."; + } + + memset(buffer, 0, size); + m_stats.notifyUnderrun(); + return 0; } else { if (m_pending_sti_frame.frame.empty()) { @@ -285,7 +295,7 @@ size_t Edi::readFrame(uint8_t *buffer, size_t size, std::time_t seconds, int utc else { auto ts_req = EdiDecoder::frame_timestamp_t::from_unix_epoch(seconds, utco, tsta); ts_req += m_tist_delay; - const double offset = m_pending_sti_frame.timestamp.diff_ms(ts_req); + const double offset = m_pending_sti_frame.timestamp.diff_s(ts_req); if (offset > 24e-3) { m_stats.notifyUnderrun(); |