vlc rtsp请求IPC各种音频时的sdp

AAC sdp:
    "v=0\r\n
    o=- 1592493959551674 1592493959551674 IN IP4 192.168.12.179\r\n
    s=Media Presentation\r\ne=NONE\r\nb=AS:5100\r\nt=0 0\r\n
    a=control:rtsp://admin:hik123456@192.168.12.179/\r\n
    m=video 0 RTP/AVP 96\r\n
    c=IN IP4 0.0.0.0\r\n
    b=AS:5000\r\n
    a=recvonly\r\n
    a=x-dimensions:1280,960\r\n
    a=control:rtsp://admin:hik123456@192.168.12.179/trackID=1\r\n
    a=rtpmap:96 H264/90000\r\n
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==\r\n
    m=audio 0 RTP/AVP 104\r\n
    c=IN IP4 0.0.0.0\r\n
    b=AS:50\r\n
    a=recvonly\r\na=control:rtsp://admin:hik123456@192.168.12.179/trackID=2\r\n
    a=rtpmap:104 mpeg4-generic/16000/1\r\n
    a=fmtp:104 profile-level-id=15; streamtype=5;mode=AAC-hbr; config=1408;SizeLength=13; IndexLength=3; IndexDeltaLength=3; Profile=1;\r\n
    a=Media_header:MEDIAINFO=494D4B48010200000400000101200110803E0000007D", ‘0‘ <repeats 36 times>, ";\r\n
    a=appversion:1.0\r\n"


G722 sdp
    v=0
    o=- 1592496353195110 1592496353195110 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 98
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:98 G7221/16000
    a=Media_header:MEDIAINFO=494D4B48010200000400000121720110803E0000803E000000000000000000000000000000000000;
    a=appversion:1.0


G711A音频sdp:
    "v=0\r\n
    o=- 1592479633631537 1592479633631537 IN IP4 192.168.12.179\r\n
    s=Media Presentation\r\n
    e=NONE\r\n
    b=AS:5100\r\n
    t=0 0\r\n
    a=control:rtsp://admin:hik123456@192.168.12.179/\r\n
    m=video 0 RTP/AVP 96\r\n
    c=IN IP4 0.0.0.0\r\nb=AS:5000\r\na=recvonly\r\na=x-dimensions:1280,960\r\n
    a=control:rtsp://admin:hik123456@192.168.12.179/trackID=1\r\n
    a=rtpmap:96 H264/90000\r\n
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==\r\n
    m=audio 0 RTP/AVP 8\r\nc=IN IP4 0.0.0.0\r\n
    b=AS:50\r\n
    a=recvonly\r\n
    a=control:rtsp://admin:hik123456@192.168.12.179/trackID=2\r\n
    a=rtpmap:8 PCMA/8000\r\n
    a=Media_header:MEDIAINFO=494D4B48010200000400000111710110401F000000FA", ‘0‘ <repeats 36 times>, ";\r\n
    a=appversion:1.0\r\n"
    
G711U
    v=0
    o=- 1592495815054725 1592495815054725 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 0
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:0 PCMU/8000
    a=Media_header:MEDIAINFO=494D4B48010200000400000110710110401F000000FA000000000000000000000000000000000000;
    a=appversion:1.0
    
    
PCM    
    v=0
    o=- 1592496254941403 1592496254941403 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 11
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:11 PCM/16000
    a=Media_header:MEDIAINFO=494D4B48010200000400000101700110803E0000007D000000000000000000000000000000000000;
    a=appversion:1.0

G726:
    v=0
    o=- 1592496450537513 1592496450537513 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 102
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:102 G726-16/8000
    a=Media_header:MEDIAINFO=494D4B48010200000400000162720110401F0000803E000000000000000000000000000000000000;
    a=appversion:1.0
    
    
MP2L2:
    v=0
    o=- 1592496529044146 1592496529044146 IN IP4 192.168.12.179
    s=Media Presentation
    e=NONE
    b=AS:5100
    t=0 0
    a=control:rtsp://192.168.12.179:554/
    m=video 0 RTP/AVP 96
    c=IN IP4 0.0.0.0
    b=AS:5000
    a=recvonly
    a=x-dimensions:1280,960
    a=control:rtsp://192.168.12.179:554/trackID=1
    a=rtpmap:96 H264/90000
    a=fmtp:96 profile-level-id=420029; packetization-mode=1; sprop-parameter-sets=Z00AIJWoFAHmm4CAgIE=,aO48gA==
    m=audio 0 RTP/AVP 14
    c=IN IP4 0.0.0.0
    b=AS:50
    a=recvonly
    a=control:rtsp://192.168.12.179:554/trackID=2
    a=rtpmap:14 MPA/90000
    a=Media_header:MEDIAINFO=494D4B48010200000400000100200110803E000000FA000000000000000000000000000000000000;
    a=appversion:1.0