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RTC: Fix crash when pkt->payload() if pkt is nullptr (#2751)

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johzzy 2021-11-25 07:33:41 +08:00 • committed by GitHub
parent 66435d583a
commit a862573220
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1 changed files with 8 additions and 0 deletions
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8
trunk/src/app/srs_app_rtc_source.cpp
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@ -1567,6 +1567,10 @@ srs_error_t SrsRtmpFromRtcBridger::packet_video_rtmp(const uint16_t start, const
uint16_t sn = start + i; uint16_t sn = start + i;
uint16_t index = cache_index(sn); uint16_t index = cache_index(sn);
SrsRtpPacket* pkt = cache_video_pkts_[index].pkt; SrsRtpPacket* pkt = cache_video_pkts_[index].pkt;
// fix crash when pkt->payload() if pkt is nullptr;
if (!pkt) continue;
// calculate nalu len // calculate nalu len
SrsRtpFUAPayload2* fua_payload = dynamic_cast<SrsRtpFUAPayload2*>(pkt->payload()); SrsRtpFUAPayload2* fua_payload = dynamic_cast<SrsRtpFUAPayload2*>(pkt->payload());
if (fua_payload && fua_payload->size > 0) { if (fua_payload && fua_payload->size > 0) {
@ -1624,6 +1628,10 @@ srs_error_t SrsRtmpFromRtcBridger::packet_video_rtmp(const uint16_t start, const
for (uint16_t i = 0; i < cnt; ++i) { for (uint16_t i = 0; i < cnt; ++i) {
uint16_t index = cache_index((start + i)); uint16_t index = cache_index((start + i));
SrsRtpPacket* pkt = cache_video_pkts_[index].pkt; SrsRtpPacket* pkt = cache_video_pkts_[index].pkt;
// fix crash when pkt->payload() if pkt is nullptr;
if (!pkt) continue;
cache_video_pkts_[index].in_use = false; cache_video_pkts_[index].in_use = false;
cache_video_pkts_[index].pkt = NULL; cache_video_pkts_[index].pkt = NULL;
cache_video_pkts_[index].ts = 0; cache_video_pkts_[index].ts = 0;