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| author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2020-06-29 17:06:43 +0200 |
|---|---|---|
| committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2020-06-29 17:06:43 +0200 |
| commit | 35867ba39effd3c40b727e90163d406d4abcd2bf (patch) | |
| tree | fc7c9f85d7fedf42134facb398c0021f7c914830 | |
| parent | bda603e4d1d963f499b2f1a13d16c5a23e9f0246 (diff) | |
| download | ODR-SourceCompanion-35867ba39effd3c40b727e90163d406d4abcd2bf.tar.gz ODR-SourceCompanion-35867ba39effd3c40b727e90163d406d4abcd2bf.tar.bz2 ODR-SourceCompanion-35867ba39effd3c40b727e90163d406d4abcd2bf.zip | |
Add RTP sequence number check
| -rw-r--r-- | src/AVTInput.cpp | 8 | ||||
| -rw-r--r-- | src/AVTInput.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/AVTInput.cpp b/src/AVTInput.cpp index 955ca33..ab6be76 100644 --- a/src/AVTInput.cpp +++ b/src/AVTInput.cpp @@ -216,6 +216,14 @@ const uint8_t* AVTInput::_findDABFrameFromUDP(const uint8_t* buf, size_t size, uint32_t version = (buf[index] & 0xC0) >> 6; uint32_t payloadType = (buf[index+1] & 0x7F); if (version == 2 && payloadType == 34) { + const uint16_t seqnr = (buf[index+2] << 8) | buf[index+3]; + if ((_previousRtpIndex != -1) and + (((_previousRtpIndex + 1) % 0xFFFF) != seqnr)) { + fprintf(stderr, "RTP sequence number jump from %d to %d\n", + _previousRtpIndex, seqnr); + } + _previousRtpIndex = seqnr; + #if 0 // If one wants to decode the RTP timestamp, here is some // example code. The AVT generates a timestamp which starts diff --git a/src/AVTInput.h b/src/AVTInput.h index 71805c7..294f48f 100644 --- a/src/AVTInput.h +++ b/src/AVTInput.h @@ -120,6 +120,7 @@ class AVTInput std::vector<uint8_t> _currentFrame; int32_t _nbFrames = 0; int32_t _expectedFrameIndex = 0; + int32_t _previousRtpIndex = -1; std::chrono::system_clock::time_point _frameZeroTimestamp; size_t _currentFrameSize = 0; |