Hi, Is there anybody out there who has faced a similar issue? I'm sure there would be... any feedback would be highly appreciated...
On Fri, Oct 10, 2014 at 2:47 PM, Taha Ansari <mtaha.ans...@gmail.com> wrote: > > On Thu, Oct 9, 2014 at 6:02 PM, Taha Ansari <mtaha.ans...@gmail.com> > wrote: > >> Hi, >> >> I have a specific scenario: in a restricted network environment, I have >> discovered sometimes there is problem with live reception of data via RTSP >> protocol. Reading at mailing list and other locations got me to a point >> where I discovered I could use HTTP tunneling to bypass proxies etc. I have >> upcoming two streams: >> >> 1- RTSP live h264 stream >> 2- RTSP live AAC stream >> >> When I apply HTTP tunneling method with h264 data, it works without any >> problem. But, if I try it with AAC data, audio never gets through. >> >> Here is uncut console output when trying to fetch such AAC streams via >> RTSP protocol, while the server is at a remote location (some portions are >> changed to protect privacy): >> >> >> --------------*************--------------*************--------------************* >> D:\....\ffmpeg-20141009-git-f6777ce-win32-shared\bin>ffpla >> y -rtsp_transport http -loglevel debug rtsp://143.115.111.123:1943/a.aac >> ffplay version N-66742-gf6777ce Copyright (c) 2003-2014 the FFmpeg >> developers >> built on Oct 8 2014 22:05:56 with gcc 4.9.1 (GCC) >> configuration: --disable-static --enable-shared --enable-gpl >> --enable-version3 >> --disable-w32threads --enable-avisynth --enable-bzlib >> --enable-fontconfig --ena >> ble-frei0r --enable-gnutls --enable-iconv --enable-libass >> --enable-libbluray --e >> nable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme >> --enable-lib >> gsm --enable-libilbc --enable-libmodplug --enable-libmp3lame >> --enable-libopencor >> e-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus >> --enabl >> e-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex >> --enable-l >> ibtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc >> --enable- >> libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack >> --enable-l >> ibwebp --enable-libx264 --enable-libx265 --enable-libxavs >> --enable-libxvid --ena >> ble-zlib >> libavutil 54. 10.100 / 54. 10.100 >> libavcodec 56. 4.101 / 56. 4.101 >> libavformat 56. 9.100 / 56. 9.100 >> libavdevice 56. 1.100 / 56. 1.100 >> libavfilter 5. 1.103 / 5. 1.103 >> libswscale 3. 1.100 / 3. 1.100 >> libswresample 1. 1.100 / 1. 1.100 >> libpostproc 53. 1.100 / 53. 1.100 >> [http @ 01d798e0] request: GET /a.aac HTTP/1.10KB sq= 0B f=0/0 >> User-Agent: Lavf/56.9.100 >> Range: bytes=0- >> Connection: close >> Host: 143.115.111.123:1943 >> Icy-MetaData: 1 >> x-sessioncookie: 85cc4e8bbbeffd24 >> Accept: application/x-rtsp-tunnelled >> Pragma: no-cache >> Cache-Control: no-cache >> >> >> [http @ 01d798e0] header='HTTP/1.1 200 OK' 0KB sq= 0B f=0/0 >> [http @ 01d798e0] http_code=200 >> [http @ 01d798e0] header='Date: Thu, 9 Oct 2014 12:46:10 GMT' >> [http @ 01d798e0] header='Server: [some server name]' >> [http @ 01d798e0] header='Connection: Close' >> [http @ 01d798e0] header='Content-Type: application/x-rtsp-tunnelled' >> [http @ 01d798e0] header='Expires: -1' >> [http @ 01d798e0] header='Cache-Control: private, max-age=0' >> [http @ 01d798e0] header='' >> [http @ 01d7e420] request: POST /a.aac HTTP/1.1KB sq= 0B f=0/0 >> User-Agent: Lavf/56.9.100 >> Accept: */* >> Connection: close >> Host: 143.115.111.123:1943 >> Icy-MetaData: 1 >> x-sessioncookie: 85cc4e8bbbeffd24 >> Content-Type: application/x-rtsp-tunnelled >> Pragma: no-cache >> Cache-Control: no-cache >> Content-Length: 32767 >> Expires: Sun, 9 Jan 1972 00:00:00 GMT >> >> >> [rtsp @ 01d79d00] SDP:= 0 aq= 0KB vq= 0KB sq= 0B f=0/0 >> v=0 >> o=- 1951159390 1412858771 IN IP4 143.115.111.123 >> s= >> c=IN IP4 0.0.0.0 >> t=0 0 >> m=audio 0 RTP/AVP 96 >> a=rtpmap:96 MPEG4-GENERIC/22050/2 >> a=fmtp:96 >> profile-level-id=1;mode=AAC-hbr;sizelength=13;indexlength=3;indexdelta >> length=3;config=1390; >> a=control:trackID=2 >> >> [rtsp @ 01d79d00] audio codec set to: aac >> [rtsp @ 01d79d00] audio samplerate set to: 22050 >> [rtsp @ 01d79d00] audio channels set to: 2 >> [rtsp @ 01d79d00] hello state=0 0KB vq= 0KB sq= 0B f=0/0 >> [rtsp @ 01d79d00] method PLAY failed: 500 SERVER ERROR 0B f=0/0 >> [rtsp @ 01d79d00] Server: [some server name] >> CSeq: 4 >> Cache-Control: no-cache >> Date: Thu, 9 Oct 2014 12:46:12 GMT >> Expires: Thu, 9 Oct 2014 12:46:12 GMT >> Session: 31565451546595;timeout=30 >> x-Error: Failed to create audio >> >> rtsp://143.115.111.123:1943/a.aac: Invalid data found when processing >> input >> >> >> D:\....\ffmpeg-20141009-git-f6777ce-win32-shared\bin> >> >> --------------*************--------------*************--------------************* >> >> As can be seen, it fails somewhere at " method PLAY failed: 500 SERVER >> ERROR". Searching online for this does not give me much help, except that >> 500 SERVER ERROR is a general kind of error (without any details). >> >> This is the latest version of FFmpeg I downloaded from zeranoe builds >> page today... >> >> Has anyone experienced anything this sort before? Is there any remedy? >> >> Thanks in advance for any guidance... >> > > > Hi, > > I have made little progress: if I specify "-initial_pause 1 " at command > line, then after waiting for about 40 seconds, I am able to see new window > pop up (the FFplay black window that shows white stuff depending upon audio > signal), but this window is totally black, and even after waiting for some > time, audio is never audible. > > Do I need to signal initial_pause to 'off', somehow? > > Here is updated command line with debug output (again some stuff like > server IP changed intentionally): > > > --------------*************--------------*************--------------************* > > D:\ffmpeg-20141009-git-f6777ce-win32-shared\bin>ffplay -loglevel debug > -rtsp_transport http -initial_pause 1 rtsp://144.122.222.22:2757/a.aac > ffplay version N-66742-gf6777ce Copyright (c) 2003-2014 the FFmpeg > developers > built on Oct 8 2014 22:05:56 with gcc 4.9.1 (GCC) > configuration: --disable-static --enable-shared --enable-gpl > --enable-version3 > --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig > --ena > ble-frei0r --enable-gnutls --enable-iconv --enable-libass > --enable-libbluray --e > nable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme > --enable-lib > gsm --enable-libilbc --enable-libmodplug --enable-libmp3lame > --enable-libopencor > e-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus > --enabl > e-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex > --enable-l > ibtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc > --enable- > libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack > --enable-l > ibwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid > --ena > ble-zlib > libavutil 54. 10.100 / 54. 10.100 > libavcodec 56. 4.101 / 56. 4.101 > libavformat 56. 9.100 / 56. 9.100 > libavdevice 56. 1.100 / 56. 1.100 > libavfilter 5. 1.103 / 5. 1.103 > libswscale 3. 1.100 / 3. 1.100 > libswresample 1. 1.100 / 1. 1.100 > libpostproc 53. 1.100 / 53. 1.100 > [http @ 02239a20] request: GET /a.aac HTTP/1.10KB sq= 0B f=0/0 > User-Agent: Lavf/56.9.100 > Range: bytes=0- > Connection: close > Host: 144.122.222.22:2757 > Icy-MetaData: 1 > x-sessioncookie: 5210038d40d12611 > Accept: application/x-rtsp-tunnelled > Pragma: no-cache > Cache-Control: no-cache > > > [http @ 02239a20] header='HTTP/1.1 200 OK' 0KB sq= 0B f=0/0 > [http @ 02239a20] http_code=200 > [http @ 02239a20] header='Date: Fri, 10 Oct 2014 09:39:29 GMT' > [http @ 02239a20] header='Server: [some streaming server]' > [http @ 02239a20] header='Connection: Close' > [http @ 02239a20] header='Content-Type: application/x-rtsp-tunnelled' > [http @ 02239a20] header='Expires: -1' > [http @ 02239a20] header='Cache-Control: private, max-age=0' > [http @ 02239a20] header='' > [http @ 0223d560] request: POST /a.aac HTTP/1.1KB sq= 0B f=0/0 > User-Agent: Lavf/56.9.100 > Accept: */* > Connection: close > Host: 144.122.222.22:2757 > Icy-MetaData: 1 > x-sessioncookie: 5210038d40d12611 > Content-Type: application/x-rtsp-tunnelled > Pragma: no-cache > Cache-Control: no-cache > Content-Length: 32767 > Expires: Sun, 9 Jan 1972 00:00:00 GMT > > > [rtsp @ 02239e20] SDP:= 0 aq= 0KB vq= 0KB sq= 0B f=0/0 > v=0 > o=- 545483151 1412933970 IN IP4 144.122.222.22 > s= > c=IN IP4 0.0.0.0 > t=0 0 > m=audio 0 RTP/AVP 96 > a=rtpmap:96 MPEG4-GENERIC/22050/2 > a=fmtp:96 > profile-level-id=1;mode=AAC-hbr;sizelength=13;indexlength=3;indexdelta > length=3;config=1390; > a=control:trackID=2 > > [rtsp @ 02239e20] audio codec set to: aac > [rtsp @ 02239e20] audio samplerate set to: 22050 > [rtsp @ 02239e20] audio channels set to: 2 > Input #0, rtsp, from 'rtsp://144.122.222.22:2757/a.aac':0B f=0/0 > Metadata: > title : > Duration: N/A, bitrate: N/A > Stream #0:0, 0, 1/22050: Audio: aac, 22050 Hz, stereo, fltp > detected 4 logical cores > [ffplay_abuffer @ 022bb880] Setting 'sample_rate' to value '22050' > [ffplay_abuffer @ 022bb880] Setting 'sample_fmt' to value 'fltp' > [ffplay_abuffer @ 022bb880] Setting 'channels' to value '2' > [ffplay_abuffer @ 022bb880] Setting 'time_base' to value '1/22050' > [ffplay_abuffer @ 022bb880] Setting 'channel_layout' to value '0x3' > [ffplay_abuffer @ 022bb880] tb:1/22050 samplefmt:fltp samplerate:22050 > chlayout: > 0x3 > [ffplay_abuffersink @ 022d1100] auto-inserting filter 'auto-inserted > resampler 0 > ' between the filter 'ffplay_abuffer' and the filter 'ffplay_abuffersink' > [AVFilterGraph @ 0221e860] query_formats: 2 queried, 0 merged, 3 already > done, 0 > delayed > [auto-inserted resampler 0 @ 022d2d00] ch:2 chl:stereo fmt:fltp r:22050Hz > -> ch: > 2 chl:stereo fmt:s16 r:22050Hz > nan M-A: nan fd= 0 aq= 0KB vq= 0KB sq= 0B f=0/0 > > D:\ffmpeg-20141009-git-f6777ce-win32-shared\bin> > > > --------------*************--------------*************--------------************* >
_______________________________________________ Libav-user mailing list Libav-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/libav-user