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• How to Choose a GDPR Compliant Web Analytics Solution

  2 mars 2022, par Matthieu Aubry — Privacy

  Since the launch of GDPR, one big question has lingered around with uncertainty – is Google Analytics GDPR compliant ? The current GDPR enforcement trend happening across the EU is certainly shedding some light on this question.

  Starting with the Austrian Data Protection Authority’s ruling on Google Analytics and more recently, CNIL (the French Data Protection Authority) has followed suit by also ruling Google Analytics illegal to use. Organisations with EU-based web visitors are now scrambling to find a compliant solution.

  The French Data Protection Authority (CNIL) has already started delivering formal notices to websites using Google Analytics, so now is the time to act. According to CNIL, organisations have two options :

  1. Ceasing use of the Google Analytics functionality (under the current conditions) 
  2. Use a compliant web analytics tool that does not transfer data outside the EU

  Getting started 

  For organisations considering migrating to a compliant web analytics tool, I’ve outlined below the things you need to consider when weighing up compliant web analytics tools. Once you’ve made a choice, I’ve also included a step-by-step guide to migrating away from Google Analytics. This guide is useful regardless of which GDPR compliant analytics provider you choose.

  Before getting started, I recommend that you document your findings against the following considerations while reviewing GDPR compliant Google Analytics alternatives. This document can then be shared with your Data Protection Officer (DPO) to get their final recommendation.

  10 key considerations when selecting a GDPR compliant web analytics tools

  Many tools will claim to be GDPR compliant so it’s important that you do your due diligence and review tools against the following considerations. 

  1. Where does the tool store data ? 

  The rulings in France and Austria were based on the fact that Google Analytics stores data in the US, which does not have an adequate level of data protection. Your safest option is to find a tool that legally stores data in the EU.

  You should be able to find out where the data is stored in the organisation’s privacy policy. Generally, data storage information can be found under sections titled “Subprocessors” and “Third-party services”. Check out the Matomo Privacy Policy as an example. 

  If you’re unable to easily find this information or it’s unclear, reach out to the organisation for more information.

  2. Does the tool offer anonymous tracking ?

  Anonymous tracking comes with many benefits, including :

  • The ability to track visitors without a cookie consent screen. Due to the privacy-respecting aspect of cookieless tracking, you don’t need to worry about the extra steps involved with compliant cookie banners.
  • More accurate data. When visitors deny tracking cookies, you lose out on valuable data. With anonymous tracking there is no data lost as you don’t need consent to track.
  • Simplified GDPR compliance. With this enabled, there are fewer steps you need to take to get GDPR compliant and stay GDPR compliant.

  For those reasons, it may be important for you to select a tool that offers anonymous tracking functionalities. The level of anonymous tracking you require will depend on your situation but you should look out for tools that allow you to :

  • Disable fingerprinting 
  • Disable user profiles 
  • Anonymise data
  • Cookieless tracking

  If you want to read more about data anonymization, check out this guide on data anonymization in web analytics.

  3. Does the tool integrate with my existing tech stack ?

  You’ll want to ensure that a new web analytics tool will play well with other tools in your tech stack including things like your CMS (content management system), eCommerce shop, etc. You should list out all the existing tools that currently integrate with your Google Analytics and check that the same integrations can be re-created with the new tool, via integrations or APIs.

  If not, it could become costly trying to connect your existing tech stack to a new solution.

  4. Does the tool offer the same features and insights you are currently using in Google Analytics ? Or more, if necessary ? 

  Just because you are moving to a new web analytics platform, doesn’t mean you have to give up the insights, reports and features you’ve grown accustomed to with Google Analytics. Ensuring that a new platform provides the same features and reports that you value the most will result in a smoother transition away from Google Analytics.

  It’s unlikely that a new tool will have all of the same features as Google Analytics, so I’d recommend listing out and prioritising your business-critical features and reports. 

  If I had to guess, you probably set up Google Analytics years ago because it was the default option. Now is your chance to make the most of this switch from Google Analytics and find a tool that offers additional reports and features that better aligns with your business. If time permits, I’d highly recommend that you consider other features or reports that you might have been missing out on while using Google Analytics.

  Check out this comparison of Google Analytics vs Matomo to see side-by-side feature comparison.

  5. Does the tool accept Google Analytics data imports ? 

  The historical data in Google Analytics is a critical asset for many businesses. Fortunately, some tools accept Google Analytics data imports so you don’t lose all of the data you’ve generated over time.

  However, it’s important to note that any data you import from Google Analytics to a new tool needs to be compliant data. I’ll cover this more below.

  6. Does the tool provide conversion tracking exports ? 

  Do you invest in paid advertising ? If you do, then tracking the conversions from people clicking on these paid ads is critical in assessing your return on investment. Since sending IP addresses or other personal information to the US is illegal under GDPR, we can only assume that this will also apply to advertising pixel/conversion tracking (e.g., Facebook pixel, Google Ads conversion tracking, etc). 

  As an example, Matomo offers conversion tracking exports so you can get a better understanding of ad performance while meeting privacy laws and without requiring consent from users. See how it works with Matomo’s conversion tracking exports. 

  7. How will you train up your in-house team ? Or can you hire a contractor ?

  This is a common concern of many, and rightfully so. You’ll want to confirm what resources are readily available so you can hit the ground running with your new web analytics tool. If you’d prefer to train up your in-house team, check the provider’s site for training resources, videos, guides, etc.

  If you’d rather hire an external contractor, we recommend heading to LinkedIn, reaching out to your community or asking the provider if they have any recommendations for contractors.

  In addition, check that the provider offers technical support or a forum, in case you have specific questions and need help.   

  8. Does the tool offer self-hosting ? (optional)

  For organisations that want full control over their data and storage location, an on-premise web analytics tool will be the preferred option. From a GDPR perspective, this is also the easiest option for compliance.

  Keep in mind that this requires resources, regular maintenance, technical knowledge and/or technical consultants. If you’re unsure which option is best for your organisation, check out our on-premise vs cloud web analytics comparison breakdown.

  Find out more about self-hosting Matomo.

  9. Is the tool approved by the CNIL for tracking without consent ?

  This is an important step for websites with French users. This step will help narrow down your selection of tools. The CNIL offers a programme to identify web analytics solutions that can be used without tracking consent. The CNIL’s list of recommended web analytics tools can act as your starting point for solutions to review.

  While this step is specific to sites with French users, it can also be helpful for websites with visitors from any other EU country.

  Benefits of consent-free tracking

  There are many benefits of tracking without consent.
  

  For one, it simplifies GDPR compliance and reduces the chances of GDPR breaches and fines. Cookie consent screens have recently been the target for EU Data Protection Authorities because many websites are unknowingly serving cookie consent screens that do not meet GDPR requirements. 

  Yet another benefit, and quite possibly the most important is more accurate data. Even if a website displays a user-friendly, lawful consent screen, the majority of users will either ignore or reject cookie consent. Legally website owners can’t track anything unless the visitor gives consent. So not having a cookie consent screen ensures that every visit is tracked and your web analytics data is 100% accurate. 

  Lastly, many visitors have grown fatigued and frustrated with invasive cookie consent screens. Not having one on your site creates a user-friendly experience, which will likely result in longer user sessions and lower bounce rates.

  10. Does the tool offer a Data Processing Agreement (DPA) ? 

  Technically, any GDPR compliant web analytics tool should offer a DPA but for the sake of completeness, I’ve added this as a consideration. Double check that any tools you are looking at provide this legally binding document. This should be located in the Privacy Policy of the web analytics provider, if not reach out to request it.

  As an example, here’s Matomo’s Data Processing Agreement which can be found in our Privacy Policy under Subprocessors. 

  That wraps up the key considerations. When it comes to compliance, privacy and customer data, Matomo leads the way. We are looking forward to helping you achieve GDPR compliance easily. Start your free 21-day trial of Matomo now – no credit card required.

  Try Matomo Cloud

  A step-by-step guide to migrating from Google Analytics

  Once you’ve identified a tool that suits your needs and your Data Protection Officer (DPO) has approved, you’re ready to get started. Here’s a simple step-by-step guide with all the important steps for you to follow :

  1. Before getting started, you should sign or download the Data Processing Agreement (DPA) offered by your new web analytics provider.

  2. Register for the new tool and configure it for compliance. The provider should offer guides on how to configure for GDPR compliance. This will include things like giving your users an easy way to opt-out of all tracking, turning on cookieless tracking or asking users for consent and anonymizing data and IP addresses, for instance.

  3. Inform your organisation about the change. Whether your colleagues use the tool or not, it’s important that you share information about the new tool with your staff. Let them know what the tool will be used for, who will use the tool and how it complies with GDPR. 

  4. Let your DPO know that you’ve removed Google Analytics and have implemented the new tool.

  5. Update your records of processing activities to include the new tool.

  6. Update your privacy policy. You’ll need to include details about the web analytics provider, where the data is stored, what data is being collected, how long the data will be stored and why the data is being collected. The web analytics tool should readily have this information for you.

  As an example, if you decide to use Matomo as your web analytics tool, we provide a Privacy Policy template for you to use on your site and a guide on how to complete your privacy policy under GDPR with Matomo. Note that these are only applicable if you are using Matomo.

  In addition, if the tool has an opt-out feature, you will also need to put the opt-out into the privacy policy (e.g., when using cookieless tracking).

  7. Now, the exciting part. Add the tracking code to your site by following the steps provided by the web analytics tool. 

  If you’re not comfortable with this step, the provider should offer steps to do this and you can share this with your web developer.

  8. Once added, login to your tool and check to see if traffic is being tracked.

  9. If your tool does not offer Google Analytics data imports or you do not need the historical data in your new tool, go to step 11. 

  To plan for your Google Analytics data migration, you’ll first need to establish what historical data is compliant with GDPR.

  For example, you shouldn’t import any data stored beyond the retention period established in your Privacy Policy or any personally identifiable information (PII) like IP addresses that aren’t anonymised. Discuss this further with your DPO.

  10. Once you’ve established what data you can legally import, then you can begin the import. Follow the steps provided by your new web analytics solution provider.

  11. Remove Google Analytics tracking code from your site. This will stop the collection of your visitors data by Google as well as slightly increase the page load speed.

  If you still haven’t made a choice yet, try Matomo free for 21-days and see why over 1 million websites choose Matomo. 

• FFMPEG HLS Live Stream to RTMP. How to signal end of stream

  4 août 2021, par Andre Escudero

  I'm taking a HLS m3u8 live stream as input and sending to RTMP (facebook RTMP)

  


  ffmpeg -i https://mylivestream.m3u8 -acodec copy -vcodec copy -f flv rtmps://facebookrtmp/key


  


  Now when the HLS m3u8 live stream stops updating( no new segments being added) FFMPEG stops sending data to facebook rtmp. But Facebook does not end the stream because I think ffmpeg is not sending the deleteStream command it just disconnects. Ending the ffmpeg process at this point also does not end the stream. It only ends the stream if the process is ended while they are still new segments.

  


  Is there anyway to send deleteStream when HLS is over ?

  


• FFMPEG frame counter hangs and stop streaming

  18 janvier 2021, par user2821178

  Good morning,

  


  I use a Raspberry, linked to an IP cam, in order to send the streaming to my Facebook Page.

  


  All works good, but it happen, that for some reason facebook stops to receive the streaming, but FFMPEG continues to works.

  


  I've noticed that even if FFMPEG seems to work correctly, the frame counter stops.

  


  This is the command :

  


      RTSP_URL="rtsp://xxxxxxxxxxx/videoMain";
YOUTUBE_URL="rtmps://live-api-s.facebook.com:443/rtmp/";
YOUTUBE_KEY="zzzzzzzzzxxxxxxxxyyyyyyyyyy";
LOGO="-i yyyyyyyyyyy.png -filter_complex overlay=x=1:y=(main_h-overlay_h)";
VIDEO="-s 512:288 -c:v libx264 -x264-params nal-hrd=cbr -b:v 150k -minrate 50k -maxrate 150k -bufsize 300k";
AUDIO="-c:a aac -strict experimental";
KEYFRAME="-g 100";
OUTPUTFORMAT="-f flv";

COMMAND="sudo ffmpeg -f lavfi -i anullsrc -rtsp_transport tcp -stimeout 5000000 -i ${RTSP_URL} ${LOGO} ${VIDEO} ${AUDIO} ${KEYFRAME} ${OUTPUTFORMAT} ${YOUTUBE_URL}/${YOUTUBE_KEY}";

$COMMAND > streamOut.txt 2>&1;


  


  Here an extract of the output :

  


  ffmpeg version N-96658-g3b860bfd6f Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 6.3.0 (Raspbian 6.3.0-18+rpi1) 20170516
  configuration: --enable-gpl --enable-libx264 --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libspeex --enable-librtmp --enable-libtheora --enable-libvorbis --enable-nonfree --enable-version3 --enable-nonfree
  libavutil      56. 39.100 / 56. 39.100
  libavcodec     58. 68.100 / 58. 68.100
  libavformat    58. 38.100 / 58. 38.100
  libavdevice    58.  9.103 / 58.  9.103
  libavfilter     7. 75.100 /  7. 75.100
  libswscale      5.  6.100 /  5.  6.100
  libswresample   3.  6.100 /  3.  6.100
  libpostproc    55.  6.100 / 55.  6.100
Input #0, lavfi, from 'anullsrc':
  Duration: N/A, start: 0.000000, bitrate: 705 kb/s
    Stream #0:0: Audio: pcm_u8, 44100 Hz, stereo, u8, 705 kb/s
[h264 @ 0x3415340] Missing reference picture, default is 65542
[h264 @ 0x3415340] Missing reference picture, default is 65544
[h264 @ 0x3415340] Missing reference picture, default is 65546
[h264 @ 0x3415340] Missing reference picture, default is 65548
[h264 @ 0x3415340] Missing reference picture, default is 65550
[h264 @ 0x3415340] Missing reference picture, default is 65552
[h264 @ 0x3415340] Missing reference picture, default is 65554
[h264 @ 0x3415340] Missing reference picture, default is 65556
[h264 @ 0x3415340] Missing reference picture, default is 65558
[h264 @ 0x3415340] Missing reference picture, default is 65560
[h264 @ 0x3415340] Missing reference picture, default is 65562
[h264 @ 0x3415340] Missing reference picture, default is 65564
[h264 @ 0x3415340] Missing reference picture, default is 65566
[h264 @ 0x3415340] Missing reference picture, default is 65568
[h264 @ 0x3415340] Missing reference picture, default is 65570
[h264 @ 0x3415340] Missing reference picture, default is 65572
[h264 @ 0x3415340] Missing reference picture, default is 65574
[h264 @ 0x3415340] Missing reference picture, default is 65576
[h264 @ 0x3415340] Missing reference picture, default is 65578
[h264 @ 0x3415340] Missing reference picture, default is 65580
[h264 @ 0x3415340] Missing reference picture, default is 65582
[h264 @ 0x3415340] Missing reference picture, default is 65584
[h264 @ 0x3415340] Missing reference picture, default is 65586
[h264 @ 0x3415340] Missing reference picture, default is 65588
[h264 @ 0x3415340] Missing reference picture, default is 65590
[h264 @ 0x3415340] Missing reference picture, default is 65592
Guessed Channel Layout for Input Stream #1.1 : mono
Input #1, rtsp, from 'rtsp://xxxxxxxxxxxxxxxx/videoMain':
  Metadata:
    title           : IP Camera Video
    comment         : videoMain
  Duration: N/A, start: 0.000000, bitrate: N/A
    Stream #1:0: Video: h264 (High), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 29.75 tbr, 90k tbn, 2108081.20 tbc
    Stream #1:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
Input #2, png_pipe, from 'zzzzzzzzzzz.png':
  Duration: N/A, bitrate: N/A
    Stream #2:0: Video: png, rgba(pc), 500x233 [SAR 3778:3778 DAR 500:233], 25 tbr, 25 tbn, 25 tbc
Stream mapping:
  Stream #1:0 (h264) -> overlay:main (graph 0)
  Stream #2:0 (png) -> overlay:overlay (graph 0)
  overlay (graph 0) -> Stream #0:0 (libx264)
  Stream #0:0 -> #0:1 (pcm_u8 (native) -> aac (native))
Press [q] to stop, [?] for help
[rtsp @ 0x34127d0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
[h264 @ 0x34e0890] Missing reference picture, default is 65542
[h264 @ 0x3467ba0] Missing reference picture, default is 65544
[h264 @ 0x342e220] Missing reference picture, default is 65546
[h264 @ 0x35727c0] Missing reference picture, default is 65548
[h264 @ 0x34ffed0] Missing reference picture, default is 65550
[h264 @ 0x34e0890] Missing reference picture, default is 65552
[h264 @ 0x3467ba0] Missing reference picture, default is 65554
[h264 @ 0x342e220] Missing reference picture, default is 65556
[h264 @ 0x35727c0] Missing reference picture, default is 65558
[h264 @ 0x34ffed0] Missing reference picture, default is 65560
[h264 @ 0x34e0890] Missing reference picture, default is 65562
[h264 @ 0x3467ba0] Missing reference picture, default is 65564
[h264 @ 0x342e220] Missing reference picture, default is 65566
[h264 @ 0x35727c0] Missing reference picture, default is 65568
[h264 @ 0x34ffed0] Missing reference picture, default is 65570
[h264 @ 0x34e0890] Missing reference picture, default is 65572
[h264 @ 0x3467ba0] Missing reference picture, default is 65574
[h264 @ 0x342e220] Missing reference picture, default is 65576
[h264 @ 0x35727c0] Missing reference picture, default is 65578
[h264 @ 0x34ffed0] Missing reference picture, default is 65580
[h264 @ 0x34e0890] Missing reference picture, default is 65582
[h264 @ 0x3467ba0] Missing reference picture, default is 65584
[h264 @ 0x342e220] Missing reference picture, default is 65586
[h264 @ 0x35727c0] Missing reference picture, default is 65588
[h264 @ 0x34ffed0] Missing reference picture, default is 65590
[h264 @ 0x34e0890] Missing reference picture, default is 65592
frame=    0 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A    
[libx264 @ 0x344a2b0] using SAR=1/1
[libx264 @ 0x344a2b0] using cpu capabilities: ARMv6 NEON
[libx264 @ 0x344a2b0] profile High, level 2.1, 4:2:0, 8-bit
[libx264 @ 0x344a2b0] 264 - core 159 r2991 1771b55 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=100 keyint_min=10 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=cbr mbtree=1 bitrate=150 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=150 vbv_bufsize=300 nal_hrd=cbr filler=1 ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'rtmps://live-api-s.facebook.com:443/rtmp//xzxzxxzxzxzxxzxzxzxzxxzxzxzxzxzx':
  Metadata:
    encoder         : Lavf58.38.100
    Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 512x288 [SAR 1:1 DAR 16:9], q=-1--1, 150 kb/s, 29.75 fps, 1k tbn, 29.75 tbc (default)
    Metadata:
      encoder         : Lavc58.68.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 150000/0/150000 buffer size: 300000 vbv_delay: N/A
    Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s
    Metadata:
      encoder         : Lavc58.68.100 aac
frame=   10 fps=9.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   22 fps= 14 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   34 fps= 16 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   45 fps= 17 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   52 fps= 16 q=29.0 size=      26kB time=00:00:01.85 bitrate= 116.1kbits/s speed=0.584x    
frame=   63 fps= 17 q=22.0 size=      29kB time=00:00:02.52 bitrate=  93.7kbits/s speed=0.68x    
......
...... 
frame=11279 fps= 14 q=20.0 size=   15356kB time=00:13:06.05 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11287 fps= 14 q=20.0 size=   15362kB time=00:13:06.58 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.967x    
frame=11295 fps= 14 q=23.0 size=   15373kB time=00:13:07.09 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.967x    
frame=11302 fps= 14 q=24.0 size=   15380kB time=00:13:07.55 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11309 fps= 14 q=23.0 size=   15386kB time=00:13:08.00 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11317 fps= 14 q=22.0 size=   15402kB time=00:13:08.50 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11325 fps= 14 q=23.0 size=   15408kB time=00:13:09.00 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11332 fps= 14 q=23.0 size=   15416kB time=00:13:09.48 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11340 fps= 14 q=21.0 size=   15454kB time=00:13:09.98 bitrate= 160.3kbits/s dup=0 drop=433 speed=0.966x    
frame=11348 fps= 14 q=21.0 size=   15459kB time=00:13:10.52 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x    
frame=11356 fps= 14 q=22.0 size=   15466kB time=00:13:11.02 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x    
frame=11364 fps= 14 q=21.0 size=   15472kB time=00:13:11.56 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x    
frame=11372 fps= 14 q=21.0 size=   15477kB time=00:13:12.03 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x    
frame=11380 fps= 14 q=21.0 size=   15488kB time=00:13:12.59 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x    
frame=11388 fps= 14 q=21.0 size=   15493kB time=00:13:13.07 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
    Last message repeated 1 times
frame=11396 fps= 14 q=22.0 size=   15500kB time=00:13:13.61 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
    Last message repeated 3 times
frame=11404 fps= 14 q=20.0 size=   15507kB time=00:13:14.11 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
    Last message repeated 4 times
frame=11412 fps= 14 q=23.0 size=   15520kB time=00:13:14.65 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
frame=11419 fps= 14 q=20.0 size=   15527kB time=00:13:15.12 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
    Last message repeated 1 times
frame=11424 fps= 14 q=20.0 size=   15534kB time=00:13:15.46 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11431 fps= 14 q=22.0 size=   15540kB time=00:13:15.86 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11439 fps= 14 q=21.0 size=   15579kB time=00:13:16.37 bitrate= 160.3kbits/s dup=0 drop=433 speed=0.966x    
frame=11446 fps= 14 q=21.0 size=   15583kB time=00:13:16.80 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x    
......
...... 
frame=11811 fps= 14 q=21.0 size=   16022kB time=00:13:40.33 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11819 fps= 14 q=21.0 size=   16031kB time=00:13:40.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11827 fps= 14 q=21.0 size=   16041kB time=00:13:41.37 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.965x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.965x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.964x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.964x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.963x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.962x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.962x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.961x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.961x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.96x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.96x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.959x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.959x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.958x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.957x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.957x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.956x    
......
...... 
frame=11839 fps=9.0 q=22.0 size=   23189kB time=02:16:02.34 bitrate=  23.3kbits/s dup=0 drop=433 speed=6.22x    
frame=11839 fps=9.0 q=22.0 size=   23197kB time=02:16:10.66 bitrate=  23.3kbits/s dup=0 drop=433 speed=6.22x    
frame=11839 fps=9.0 q=22.0 size=   23205kB time=02:16:18.92 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.23x    
frame=11839 fps=9.0 q=22.0 size=   23213kB time=02:16:27.19 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.23x    
frame=11839 fps=9.0 q=22.0 size=   23221kB time=02:16:35.34 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.23x    
frame=11839 fps=9.0 q=22.0 size=   23229kB time=02:16:43.67 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.24x    
frame=11839 fps=9.0 q=22.0 size=   23237kB time=02:16:51.89 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.24x    
frame=11839 fps=9.0 q=22.0 size=   23245kB time=02:17:00.12 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.25x    
frame=11839 fps=9.0 q=22.0 size=   23253kB time=02:17:08.43 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.25x    



  


  There is a way to stops FFMPEG when this happen ?

  


  Thanks !