incomplete_len 在大华摄像头下，因为大华包头对音频的不标准处理，可能为负值，而sizeof(SrsPsPacketStartCode) 返回的是unsigned 类型，因些增加判断 (#2039)

Co-authored-by: jesse.xi <jj.xi@tianrang-inc.com>
4 years ago · 8515f5a91e
parent c779d95246
commit 8515f5a91e
1 changed files with 2 additions and 1 deletions
--- a/trunk/src/app/srs_app_gb28181.cpp
+++ b/trunk/src/app/srs_app_gb28181.cpp
@ -954,7 +954,8 @@ srs_error_t SrsPsStreamDemixer::on_ps_stream(char* ps_data, int ps_size, uint32_
        ps_fw.write(ps_data, ps_size, NULL);          
 #endif

-	while(incomplete_len >= sizeof(SrsPsPacketStartCode))
+	while(incomplete_len > 0 
+        && incomplete_len >= sizeof(SrsPsPacketStartCode))
    {
    	if (next_ps_pack
 			&& next_ps_pack[0] == (char)0x00