SRT: Fix srt to rtmp crash when sps or pps empty. v5.0.112 (#3323)

* SRT: fix crash when sps/pps empty. v5.0.112

Co-authored-by: winlin <winlin@vip.126.com>

trunk/doc/CHANGELOG.md

@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 5.0 Changelog
 
+* v5.0, 2022-12-17, Merge [#3323](https://github.com/ossrs/srs/pull/3323): SRT: Fix srt to rtmp crash when sps or pps empty. v5.0.112
 * v5.0, 2022-12-15, For [#3300](https://github.com/ossrs/srs/issues/3300): GB28181: Fix memory overlap for small packets. v5.0.111
 * v5.0, 2022-12-14, For [#939](https://github.com/ossrs/srs/issues/939): FLV: Support set default has_av and disable guessing. v5.0.110
 * v5.0, 2022-12-13, For [#939](https://github.com/ossrs/srs/issues/939): FLV: Drop packet if header flag is not matched. v5.0.109

trunk/src/app/srs_app_srt_source.cpp

@@ -378,6 +378,10 @@ srs_error_t SrsRtmpFromSrtBridge::on_ts_video(SrsTsMessage* msg, SrsBuffer* avs)
             return srs_error_wrap(err, "demux annexb");
         }
 
+        if (frame == NULL || frame_size == 0) {
+            continue;
+        }
+        
         // for sps
         if (avc->is_sps(frame, frame_size)) {
             std::string sps;
@@ -426,6 +430,10 @@ srs_error_t SrsRtmpFromSrtBridge::check_sps_pps_change(SrsTsMessage* msg)
         return err;
     }
 
+    if (sps_.empty() || pps_.empty()) {
+        return srs_error_new(ERROR_SRT_TO_RTMP_EMPTY_SPS_PPS, "sps or pps empty");
+    }
+
     // sps/pps changed, generate new video sh frame and dispatch it.
     sps_pps_change_ = false;
 

trunk/src/core/srs_core_version5.hpp

@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       5
 #define VERSION_MINOR       0
-#define VERSION_REVISION    111
+#define VERSION_REVISION    112
 
 #endif

trunk/src/kernel/srs_kernel_error.hpp

@@ -370,7 +370,8 @@
     XX(ERROR_SRT_CONN                      , 6006, "SrtConnection", "SRT connectin level error") \
     XX(ERROR_SRT_SOURCE_BUSY               , 6007, "SrtStreamBusy", "SRT stream already exists or busy") \
     XX(ERROR_RTMP_TO_SRT                   , 6008, "SrtFromRtmp", "Covert RTMP to SRT failed") \
-    XX(ERROR_SRT_STATS                     , 6009, "SrtStats", "SRT get statistic data failed")
+    XX(ERROR_SRT_STATS                     , 6009, "SrtStats", "SRT get statistic data failed") \
+    XX(ERROR_SRT_TO_RTMP_EMPTY_SPS_PPS     , 6010, "SrtToRtmpEmptySpsPps", "SRT to rtmp have empty sps or pps")
 
 /**************************************************/
 /* For user-define error. */