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• 10 Matomo Features You Possibly Didn’t Know About

  28 octobre 2022, par Erin

  Most users know Matomo as the privacy-focussed web analytics tool with data accuracy, superior to Google Analytics. 

  And we’re thrilled to be that — and more ! 

  At Matomo, our underlying product vision is to provide a full stack of accurate, user-friendly and privacy-mindful online marketing tools. 

  Over the years, we’ve expanded beyond baseline website statistics. Matomo Cloud users also get to benefit from additional powerful tools for audience segmentation, conversion optimisation, advanced event tracking and more. 

  Here are the top 10 advanced Matomo features you wish you knew about earlier (but won’t stop using now !). 

  Funnels

  At first glance, most customer journeys look sporadic. But every marketer will tell you that there is a method to almost every users’ madness. Or more precisely — there’s a method you can use to guide users towards conversions. 

  That’s called a customer journey — a schematic set of steps and actions people complete from developing awareness and interest in your solution to consideration and finally conversion.

  On average, 8 touchpoints are required to turn a prospect into a customer. Though the number can be significantly bigger in B2B sales and smaller for B2C Ecommerce websites. 

  With the Funnels feature, you can first map all the on-site touchpoints (desired actions) for different types of customers. Then examine the results you’re getting as prospects move through these checkbox steps.

  Funnel reports provide :

  • High-level metrics such as “Funnel conversion rate”, “Number of funnel conversions”, “Number of funnel entries”. 
  • Drilled-down reports for each funnel and each tracked action within it. This way you can track the success rates of each step and estimate their contribution to the cumulative effect.

  Segmented funnel reports for specific user cohorts (with Matomo Segmentation enabled).

  

  What makes funnels so fun (pun intended) ? The variety of use cases and configurations ! 

  You can build funnels to track conversion rates for :

  • Newsletter subscriptions
  • Job board applications 
  • Checkout or payment 
  • Product landing pages
  • Seasonal promo campaigns

  …. And pretty much any other page where users must complete a meaningful action. So go test this out. 

  Form Analytics

  On-site forms are a 101 tactic for lead generation. For most service businesses, a “contact request” or a “booking inquiry” submission means a new lead in your pipeline. 

  That said : the average on-site form conversion rates across industries stand at below 50% : 

  • Property – 37% 
  • Telecoms – 40%
  • Software — 46.83%

  That’s not bad, but it could be better. If only you could figure out why people abandon your forms….

  Oh wait, Matomo Form Analytics can supply you with answers. Form Analytics provide real-time information on key form metrics — total views, starter rate, submitter rate, conversions and more.

  

  Separately the average form hesitation time is also provided (in other words, the time a user contemplates if filling in a form is worth the effort). Plus, Matomo also tracks the time spent on form submission.

  You can review : 

  • Top drop-off fields – to understand where you are losing prospects. These fields should either be removed or simplified (e.g., with a dropdown menu) to increase conversions.
  • Most corrected-field – this will provide a clear indication of where your prospects are struggling with a form. Providing help text can simplify the process and increase conversions. 
  • Unesserary fields – with this metric, you’ll know which optional fields your leads aren’t interested in filling in and can remove them to help drive conversions. 

  With Form Analytics, you’ll be able to boost conversions and create a better on-site experience with accurate user data. 

  A/B testing

  Marketing is both an art and a science. A/B testing (or split testing) helps you statistically verify which creative ideas perform better. 

  A good conversion rate optimisation (CRO) practice is to test different elements and to do so often to find your top contenders.

  What can you split test ? Loads of things :

  • Page slogans and call-to-actions 
  • Button or submission form placements
  • Different landing page designs and layouts
  • Seasonal promo offers and banners
  • Pricing information 
  • Customer testimonial placements 

  More times than not, those small changes in page design or copy can lead to a double-digit lift in conversion rates. Accounting software Sage saw a 30% traffic boost after changing the homepage layout, copy and CTAs based on split test data. Depositphotos, in turn, got a 9.32% increase in account registration rate (CR) after testing a timed pop-up registration form. 

  The wrinkle ? A/B testing software isn’t exactly affordable, with tools averaging $119 – $1,995 per month. Plus, you then have to integrate a third-party tool with your website analytics for proper attribution — and this can get messy.

  Matomo saves you the hassle in both cases. An A/B testing tool is part of your Cloud subscription and plays nicely with other features — goal tracking, heatmaps, historic visitor profiles and more. 

  You can run split tests with Matomo on your websites or mobile apps — and find out if version A, B, C or D is the top performer. 

  

  Advertising Conversion Exports

  A well-executed search marketing or banner remarketing campaign can drive heaps of traffic to your website. But the big question is : How much of it will convert ?

  The AdTech industry has a major problem with proper attribution and, because of it, with ad fraud. 

  Globally, digital ad fraud will cost advertisers a hefty $8 billion by the end of 2022. That’s when another $74 million in ad budgets get wasted per quarter. 

  The reasons for ad budget waste may vary, but they often have a common denominator : lack of reliable conversion tracking data.

  Matomo helps you get a better sense of how you spend your cents with Advertising Conversion Reports. Unlike other MarTech analytics tools, you don’t need to embed any third-party advertising network trackers into your website or compromise user privacy.

  Instead, you can easily export accurate conversion data from Matomo (either manually via a CSV file or automated with an HTTPS link) into your Google Ads, Microsoft Advertising or Yandex Ads for cross-validation. This way you can get an objective view of the performance of different campaigns and optimise your budget allocations accordingly. 

  Find out more about tracking ad campaigns with Matomo.

  Matomo Tag Manager

  The marketing technology landscape is close to crossing 10,000 different solutions. Cross-platform advertising trackers and all sorts of customer data management tools comprise the bulk of that growing stack. 

  Remember : Each new tool embed adds extra “weight” to your web page. More tracking scripts equal slower page loading speed — and more frustration for your users. Likewise, extra embeds often means dialling up the developer (which takes time). Or tinkering with the site code yourself (which can result in errors and still raise the need to call a developer). 

  With Tag Manager, you can easily generate tags for :

  • Custom analytics reports 
  • Newsletter signups
  • Affiliates 
  • Form submission tracking 
  • Exit popups and surveys
  • Ads and more

  With Matomo Tag Manager, you can monitor, update or delete everything from one convenient interface. Finally, you can programme custom triggers — conditions when the tag gets activated — and specify data points (variables) it should collect. The latter is a great choice for staying privacy-focused and excluding any sensitive user information from processing. 

  With our tag management system (TMS), no rogue tags will mess up your analytics or conversion tracking. 

  Session recordings

  User experience (UX) plays a pivotal role in your conversion rates. 

  A five-year McKinsey study of 300 publicly listed companies found that companies with strong design practices have 32 percentage points higher revenue growth than their peers. 

  But what makes up a great website design and browsing experience ? Veteran UX designers name seven qualities :

  

  To figure out if your website meets all these criteria, you can use Session Recording — a tool for recording how users interact with your website. 

  By observing clicks, mouse moves, scrolls and form interactions you can determine problematic website design areas such as poor header navigation, subpar button placements or “boring” blocks of text. 

  Such observational studies are a huge part of the UX research process because they provide unbiased data on interaction. Or as Nielsen Norman Group puts it :

  “The way to get user data boils down to the basic rules of usability :

  • Watch what people actually do.
  • Do not believe what people say they do.
  • Definitely don’t believe what people predict they may do in the future.” 

  Most user behaviour analytics tools sell such functionality for a fee. With Matomo Cloud, this feature is included in your subscription. 

  Heatmaps

  While Session Replays provide qualitative insights, Heatmaps supply you with first-hand qualitative insights. Instead of individual user browsing sessions, you get consolidated data on where they click and how they scroll through your website. 

  

  Heatmaps are another favourite among UX designers and their CRO peers because you can :

  • Validate earlier design decisions around information architecture, page layout, button placements and so on. 
  • Develop new design hypotheses based on stats and then translate them into website design improvements. 
  • Identify distractive no-click elements that confuse users and remove them to improve conversions. 
  • Locate problematic user interface (UI) areas on specific devices or operating systems and improve them for a seamless experience.

  To get even more granular results, you can apply up to 100 Matomo segments to drill down on specific user groups, geographies or devices. 

  This way you can make data-based decisions for A/B testing, updating or redesigning your website pages. 

  Custom Alerts

  When it comes to your website, you don’t want to miss anything big — be it your biggest sales day or a sudden nosedive in traffic. 

  That’s when Custom Alerts come in handy. 

  

  With a few clicks, you can set up email or text-based alerts about important website metrics. Once you hit that metric, Matomo will send a ping. 

  You can also set different types of Custom Alerts for your teams. For example, your website administrator can get alerted about critical technical performance issues such as a sudden spike in traffic. It can indicate a DDoS attack (in the worst case) — and timely resolution is crucial here. Or suggest that your website is going viral and you might need to provision extra computing resources to ensure optimal site performance.

  Your sales team, in turn, can get alerted about new form submissions, so that they can quickly move on to lead scoring and subsequent follow-ups. 

  Use cases are plentiful with this feature. 

  Custom Dashboards and Reports

  Did you know you can get a personalised view of the main Matomo dashboards ? 

  By design, we made different website stats available as separate widgets. Hence, you can cherry-pick which stats get a prominent spot. Moreover, you can create and embed custom widgets into your Matomo dashboard to display third-party insights (e.g., POS data).

  Set up custom dashboard views for different teams, business stakeholders or clients to keep them in the loop on relevant website metrics. 

  

  Custom Reports feature, in turn, lets you slice and dice your traffic analytics the way you please. You can combine up to three different data dimensions per report and then add any number of supported metrics to get a personalised analytics report.

  For example, to zoom in on your website performance in a specific target market you can apply “location” (e.g., Germany) and “action type” (e.g., app downloads) dimensions and then get segmented data on metrics such as total visits, conversion rates, revenue and more. 

  Get to know even more ways to customise Matomo deployment.

  Roll Up Report

  Need to get aggregated traffic analytics from multiple web properties, but not ready to pay $150K per year for Google Analytics 360 for that ?

  We’ve got you with Roll-Up Reporting. You can get a 360-degree view into important KPIs like global revenue, conversion rates or form performance across multiple websites, online stores, mobile apps and even Intranet properties.

  

  Setting up this feature takes minutes, but saves you hours on manually exporting and cross-mapping data from different web analytics tools. 

  Channel all those saved hours into more productive things like increasing your conversion rates or boosting user engagement. 

  Avoid Marketing Tool Sprawl with Matomo 

  With Matomo as your website analytics and conversion optimisation app, you don’t need to switch between different systems, interfaces or have multiple tracking codes embedded on your site.

  And you don’t need to cultivate a disparate (and expensive !) MarTech tool stack — and then figure out if each of your tools is compliant with global privacy laws.

  All the tools you need are conveniently housed under one roof. 

  Want to learn more about Matomo features ? Check out product training videos next ! 

  21 day free trial. No credit card required.

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  » Start improving your websites now

  

• Stream is not appearing on youtube

  1er novembre 2022, par AMRITESH GUPTA

  I am trying to stream a captured stream to youtube live through FFmpeg, but the stream is not appearing on youtube. I tried giving input from an mp4 file, and it worked perfectly but providing input as a buffer through stdin gives nothing.

  


  FFmpeg command

  


  ffmpeg -rtbufsize 100M -report -i - -v error -c:v libx264 -preset veryfast -tune zerolatency -g:v 60 -c:a aac -strict -2 -ar 44100 -b:a 64k -y -use_wallclock_as_timestamps 1 -async 1 -f flv ${youtubeURL}

  


  I used -report for generating a log report, and I couldn't find anything wrong with it.

  


  Here is snippet of log file

  


  ffmpeg started on 2022-11-01 at 09:42:32
Report written to "ffmpeg-20221101-094232.log"
Log level: 48
Command line:
ffmpeg -rtbufsize 100M -report -i - -v error -c:v libx264 -preset veryfast -tune zerolatency -g:v 60 -c:a aac -strict -2 -ar 44100 -b:a 64k -y -use_wallclock_as_timestamps 1 -async 1 -f flv rtmp://a.rtmp.youtube.com/live2/pxjt-j9g5-ygv8-0000-6w8h
ffmpeg version 2022-10-27-git-00b03331a0-full_build-www.gyan.dev Copyright (c) 2000-2022 the FFmpeg developers
  built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libvpl --enable-libshaderc --enable-vulkan --ena  libavutil      57. 39.101 / 57. 39.101
  libavcodec     59. 51.100 / 59. 51.100
  libavformat    59. 34.101 / 59. 34.101
  libavdevice    59.  8.101 / 59.  8.101
  libavfilter     8. 49.101 /  8. 49.101
  libswscale      6.  8.112 /  6.  8.112
  libswresample   4.  9.100 /  4.  9.100
  libpostproc    56.  7.100 / 56.  7.100
Splitting the commandline.
Reading option '-rtbufsize' ... matched as AVOption 'rtbufsize' with argument '100M'.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Reading option '-i' ... matched as input url with argument '-'.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'error'.
Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'libx264'.
Reading option '-preset' ... matched as AVOption 'preset' with argument 'veryfast'.
Reading option '-tune' ... matched as AVOption 'tune' with argument 'zerolatency'.
Reading option '-g:v' ... matched as AVOption 'g:v' with argument '60'.
Reading option '-c:a' ... matched as option 'c' (codec name) with argument 'aac'.
Reading option '-strict' ...Routing option strict to both codec and muxer layer
 matched as AVOption 'strict' with argument '-2'.
Reading option '-ar' ... matched as option 'ar' (set audio sampling rate (in Hz)) with argument '44100'.
Reading option '-b:a' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '64k'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Reading option '-use_wallclock_as_timestamps' ... matched as AVOption 'use_wallclock_as_timestamps' with argument '1'.
Reading option '-async' ... matched as AVOption 'async' with argument '1'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'flv'.
Reading option 'rtmp://a.rtmp.youtube.com/live2/pxjt-j9g5-ygv8-0000-6w8h' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option report (generate a report) with argument 1.
Applying option v (set logging level) with argument error.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url -.
Successfully parsed a group of options.
Opening an input file: -.
[NULL @ 0000025c01844940] Opening 'pipe:' for reading
[pipe @ 0000025c01844e00] Setting default whitelist 'crypto,data'
[matroska,webm @ 0000025c01844940] Format matroska,webm probed with size=2048 and score=100
st:0 removing common factor 1000000 from timebase
[matroska,webm @ 0000025c01844940] Before avformat_find_stream_info() pos: 136 bytes read:32271 seeks:0 nb_streams:1
[extract_extradata @ 0000025c01817d40] nal_unit_type: 7(SPS), nal_ref_idc: 3
[extract_extradata @ 0000025c01817d40] nal_unit_type: 8(PPS), nal_ref_idc: 3
[extract_extradata @ 0000025c01817d40] nal_unit_type: 5(IDR), nal_ref_idc: 3
[extract_extradata @ 0000025c01817d40] nal_unit_type: 5(IDR), nal_ref_idc: 3
[extract_extradata @ 0000025c01817d40] nal_unit_type: 5(IDR), nal_ref_idc: 3
[extract_extradata @ 0000025c01817d40] nal_unit_type: 5(IDR), nal_ref_idc: 3
[extract_extradata @ 0000025c01817d40] nal_unit_type: 5(IDR), nal_ref_idc: 3
[extract_extradata @ 0000025c01817d40] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] Format yuv420p chosen by get_format().
[h264 @ 0000025c0186aac0] Reinit context to 1280x384, pix_fmt: yuv420p
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[h264 @ 0000025c0186aac0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 3
[matroska,webm @ 0000025c01844940] max_analyze_duration 5000000 reached at 22181000 microseconds st:0
[matroska,webm @ 0000025c01844940] rfps: 1.000000 0.006758
[matroska,webm @ 0000025c01844940] rfps: 2.000000 0.019257
[matroska,webm @ 0000025c01844940] rfps: 7.916667 0.017773
[matroska,webm @ 0000025c01844940] rfps: 9.916667 0.012828
[matroska,webm @ 0000025c01844940] rfps: 10.916667 0.019976
[matroska,webm @ 0000025c01844940] rfps: 16.833333 0.010482
[matroska,webm @ 0000025c01844940] rfps: 17.833333 0.007736
[matroska,webm @ 0000025c01844940] rfps: 17.833333 0.007736
[matroska,webm @ 0000025c01844940] rfps: 18.833333 0.018506
[matroska,webm @ 0000025c01844940] After avformat_find_stream_info() pos: 88442 bytes read:88443 seeks:0 frames:31
Input #0, matroska,webm, from 'pipe:':
  Metadata:
    encoder         : Chrome
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #0:0(eng), 31, 1/1000: Video: h264 (Constrained Baseline), yuv420p(progressive), 1280x382, SAR 1:1 DAR 640:191, 1 tbr, 1k tbn (default)
Successfully opened the file.
Parsing a group of options: output url rtmp://a.rtmp.youtube.com/live2/pxjt-j9g5-ygv8-0000-6w8h.
Applying option c:v (codec name) with argument libx264.
Applying option c:a (codec name) with argument aac.
Applying option ar (set audio sampling rate (in Hz)) with argument 44100.
Applying option b:a (video bitrate (please use -b:v)) with argument 64k.
Applying option f (force format) with argument flv.
Successfully parsed a group of options.
Opening an output file: rtmp://a.rtmp.youtube.com/live2/pxjt-j9g5-ygv8-0000-6w8h.
Codec AVOption b (set bitrate (in bits/s)) specified for output file #0 (rtmp://a.rtmp.youtube.com/live2/pxjt-j9g5-ygv8-0000-6w8h) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
[rtmp @ 0000025c01d1bd00] No default whitelist set
[tcp @ 0000025c01844f40] No default whitelist set
[tcp @ 0000025c01844f40] Original list of addresses:
[tcp @ 0000025c01844f40] Address 142.250.193.204 port 1935
[tcp @ 0000025c01844f40] Address 142.250.193.236 port 1935
[tcp @ 0000025c01844f40] Address 142.250.206.108 port 1935
[tcp @ 0000025c01844f40] Address 142.250.206.140 port 1935
[tcp @ 0000025c01844f40] Address 142.250.206.172 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.12 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.44 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.76 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.108 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.140 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.172 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.204 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.236 port 1935
[tcp @ 0000025c01844f40] Address 142.250.195.12 port 1935
[tcp @ 0000025c01844f40] Address 142.250.207.204 port 1935
[tcp @ 0000025c01844f40] Address 142.250.207.236 port 1935
[tcp @ 0000025c01844f40] Interleaved list of addresses:
[tcp @ 0000025c01844f40] Address 142.250.193.204 port 1935
[tcp @ 0000025c01844f40] Address 142.250.193.236 port 1935
[tcp @ 0000025c01844f40] Address 142.250.206.108 port 1935
[tcp @ 0000025c01844f40] Address 142.250.206.140 port 1935
[tcp @ 0000025c01844f40] Address 142.250.206.172 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.12 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.44 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.76 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.108 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.140 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.172 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.204 port 1935
[tcp @ 0000025c01844f40] Address 142.250.194.236 port 1935
[tcp @ 0000025c01844f40] Address 142.250.195.12 port 1935
[tcp @ 0000025c01844f40] Address 142.250.207.204 port 1935
[tcp @ 0000025c01844f40] Address 142.250.207.236 port 1935
[tcp @ 0000025c01844f40] Starting connection attempt to 142.250.193.204 port 1935
[tcp @ 0000025c01844f40] Successfully connected to 142.250.193.204 port 1935
[rtmp @ 0000025c01d1bd00] Handshaking...
[rtmp @ 0000025c01d1bd00] Type answer 3
[rtmp @ 0000025c01d1bd00] Server version 4.0.0.1
[rtmp @ 0000025c01d1bd00] Proto = rtmp, path = /live2/pxjt-j9g5-ygv8-0000-6w8h, app = live2, fname = pxjt-j9g5-ygv8-0000-6w8h
[rtmp @ 0000025c01d1bd00] Window acknowledgement size = 2500000
[rtmp @ 0000025c01d1bd00] Max sent, unacked = 59768832
[rtmp @ 0000025c01d1bd00] Releasing stream...
[rtmp @ 0000025c01d1bd00] FCPublish stream...
[rtmp @ 0000025c01d1bd00] Creating stream...
[rtmp @ 0000025c01d1bd00] Sending publish command for 'pxjt-j9g5-ygv8-0000-6w8h'
Successfully opened the file.
detected 8 logical cores
[h264 @ 0000025c01882e00] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0000025c01882e00] nal_unit_type: 8(PPS), nal_ref_idc: 3
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream)
[matroska,webm @ 0000025c01844940] Thread message queue blocking; consider raising the thread_queue_size option (current value: 1)
[h264 @ 0000025c01882e00] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 0000025c01882e00] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 0000025


  


• ffmpeg-python Unable to open .srt, .vtt files. Error initializing filter 'subtitles' with args ... Error initializing complex filters

  3 novembre 2022, par Batuhan Yılmaz

  I'm trying to build a web app where users can upload a video file and a transcript as .srt or .vtt file to get a video with subtitles. But keep getting an error with the subtitles.
  
Here's my code :

  


  import streamlit as st
from streamlit_lottie import st_lottie
from utils import write_vtt, write_srt
import ffmpeg
import requests
from typing import Iterator
from io import StringIO
import numpy as np
import pathlib
import os
import components.authenticate as authenticate


st.set_page_config(page_title="Auto Subtitled Video Generator", page_icon=":movie_camera:", layout="wide")

# Define a function that we can use to load lottie files from a link.
@st.cache(allow_output_mutation=True)
def load_lottieurl(url: str):
    r = requests.get(url)
    if r.status_code != 200:
        return None
    return r.json()


APP_DIR = pathlib.Path(__file__).parent.absolute()

LOCAL_DIR = APP_DIR / "local_transcript"
LOCAL_DIR.mkdir(exist_ok=True)
save_dir = LOCAL_DIR / "output"
save_dir.mkdir(exist_ok=True)


col1, col2 = st.columns([1, 3])
with col1:
    lottie = load_lottieurl("https://assets1.lottiefiles.com/packages/lf20_HjK9Ol.json")
    st_lottie(lottie)

with col2:
    st.write("""
    ## Auto Subtitled Video Generator 
    ##### Upload a video file and a transcript as .srt file and get a video with subtitles.""")


def getSubs(segments: Iterator[dict], format: str, maxLineWidth: int) -> str:
    segmentStream = StringIO()

    if format == 'vtt':
        write_vtt(segments, file=segmentStream, maxLineWidth=maxLineWidth)
    elif format == 'srt':
        write_srt(segments, file=segmentStream, maxLineWidth=maxLineWidth)
    else:
        raise Exception("Unknown format " + format)

    segmentStream.seek(0)
    return segmentStream.read()


def generate_subtitled_video(uploaded_file):
    with open(f"{save_dir}/input.mp4", "wb") as f:
            f.write(uploaded_file.read())
    audio = ffmpeg.input(f"{save_dir}/input.mp4")
    audio = ffmpeg.output(audio, f"{save_dir}/output.wav", acodec="pcm_s16le", ac=1, ar="16k")
    ffmpeg.run(audio, overwrite_output=True)


def main():
    video_file = st.file_uploader("File", type=["mp4", "avi", "mov", "mkv"])
    # get the name of the input_file
    if video_file is not None:
        filename = video_file.name[:-4]
    else:
        filename = None
    transcript_file = st.file_uploader("Transcript", type=["srt", "vtt"])
    if transcript_file is not None:
        transcript_name = transcript_file.name
    else:
        transcript_name = None
    if video_file is not None and transcript_file is not None:
        if transcript_name[-3:] == "vtt":
            with open(f"{save_dir}/transcript.vtt", "wb") as f:
                f.writelines(transcript_file)
                f.close()
            with open(os.path.join(os.getcwd(), f"{save_dir}/transcript.vtt"), "rb") as f:
                vtt_file = f.read()
            if st.button("Generate Video with Subtitles"):
                generate_subtitled_video(video_file)
                video_file = ffmpeg.input(f"{save_dir}/input.mp4")
                audio_file = ffmpeg.input(f"{save_dir}/output.wav")
                ffmpeg.concat(video_file.filter("subtitles", vtt_file), audio_file, v=1, a=1).output("final.mp4").global_args('-report').run(quiet=True, overwrite_output=True)
                video_with_subs = open("final.mp4", "rb")
                col3, col4 = st.columns([3, 1])
                with col3:
                    st.video(video_with_subs)
                with col4:
                    st.download_button(label="Download Video with Subtitles",
                                        data=video_with_subs,
                                        file_name=f"{filename}_with_subs.mp4")
            else:
                st.error("Please upload a video file and a transcript file.")
        elif transcript_name[-3:] == "srt":
            with open(f"{save_dir}/transcript.srt", "wb") as f:
                f.writelines(transcript_file)
                f.close()
            with open(os.path.join(os.getcwd(), f"{save_dir}/transcript.srt"), "rb") as f:
                srt_file = f.read()
                f.close()
            if st.button("Generate Video with Subtitles"):
                generate_subtitled_video(video_file)
                video_file = ffmpeg.input(f"{save_dir}/input.mp4")
                audio_file = ffmpeg.input(f"{save_dir}/output.wav")
                ffmpeg.concat(video_file.filter("subtitles", f'{save_dir}/transcript.srt'), audio_file, v=1, a=1).output("final.mp4").global_args('-report').run(quiet=True, overwrite_output=True)
                video_with_subs = open("final.mp4", "rb")

                col3, col4 = st.columns([3, 1])
                with col3:
                    st.video(video_with_subs)
                with col4:
                    st.download_button(label="Download Video with Subtitles",
                                        data=video_with_subs,
                                        file_name=f"{filename}_with_subs.mp4")
        else:
            st.error("Please upload a .srt or .vtt file")
    else:
        st.info("Please upload a video file and a transcript file")


if __name__ == "__main__":
    authenticate.set_st_state_vars()
    if st.session_state["authenticated"]:
        main()
        authenticate.button_logout()
    else:
        st.info("Please log in or sign up to use the app.")
        authenticate.button_login()
        



  


  I couldn't figure out what I'm doing wrong. Please help

  


  And the log file of ffmpeg error :

  


  ffmpeg started on 2022-11-03 at 21:29:27
Report written to "ffmpeg-20221103-212927.log"
Log level: 48
Command line:
ffmpeg -i "C:\\Users\\batuh\\Auto-Subtitled-Video-Generator - Copy2\\pages\\local_transcript\\output/input.mp4" -i "C:\\Users\\batuh\\Auto-Subtitled-Video-Generator - Copy2\\pages\\local_transcript\\output/output.wav" -filter_complex "[0]subtitles=C\\\\\\\\\\\\:\\\\\\\\\\\\\\\\Users\\\\\\\\\\\\\\\\batuh\\\\\\\\\\\\\\\\Auto-Subtitled-Video-Generator - Copy2\\\\\\\\\\\\\\\\pages\\\\\\\\\\\\\\\\local_transcript\\\\\\\\\\\\\\\\output/transcript.srt[s0];[s0][1]concat=a=1:n=1:v=1[s1]" -map "[s1]" final.mp4 -report -y
ffmpeg version 2022-10-24-git-d79c240196-full_build-www.gyan.dev Copyright (c) 2000-2022 the FFmpeg developers
  built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libaribb24 --enable-libdav1d --enable-libdavs2 --enable-libuavs3d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxvid --enable-libaom --enable-libjxl --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-liblensfun --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libvpl --enable-libshaderc --enable-vulkan --ena  libavutil      57. 39.101 / 57. 39.101
  libavcodec     59. 51.100 / 59. 51.100
  libavformat    59. 34.101 / 59. 34.101
  libavdevice    59.  8.101 / 59.  8.101
  libavfilter     8. 49.101 /  8. 49.101
  libswscale      6.  8.112 /  6.  8.112
  libswresample   4.  9.100 /  4.  9.100
  libpostproc    56.  7.100 / 56.  7.100
Splitting the commandline.
Reading option '-i' ... matched as input url with argument 'C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/input.mp4'.
Reading option '-i' ... matched as input url with argument 'C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/output.wav'.
Reading option '-filter_complex' ... matched as option 'filter_complex' (create a complex filtergraph) with argument '[0]subtitles=C\\\\\\:\\\\\\\\Users\\\\\\\\batuh\\\\\\\\Auto-Subtitled-Video-Generator - Copy2\\\\\\\\pages\\\\\\\\local_transcript\\\\\\\\output/transcript.srt[s0];[s0][1]concat=a=1:n=1:v=1[s1]'.
Reading option '-map' ... matched as option 'map' (set input stream mapping) with argument '[s1]'.
Reading option 'final.mp4' ... matched as output url.
Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option filter_complex (create a complex filtergraph) with argument [0]subtitles=C\\\\\\:\\\\\\\\Users\\\\\\\\batuh\\\\\\\\Auto-Subtitled-Video-Generator - Copy2\\\\\\\\pages\\\\\\\\local_transcript\\\\\\\\output/transcript.srt[s0];[s0][1]concat=a=1:n=1:v=1[s1].
Applying option report (generate a report) with argument 1.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/input.mp4.
Successfully parsed a group of options.
Opening an input file: C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/input.mp4.
[NULL @ 000001baaeb55300] Opening 'C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/input.mp4' for reading
[file @ 000001baaeb55800] Setting default whitelist 'file,crypto,data'
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] ISO: File Type Major Brand: mp42
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] Processing st: 0, edit list 0 - media time: 3003, duration: 8201160
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] Offset DTS by 3003 to make first pts zero.
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] Setting codecpar->delay to 1 for stream st: 0
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] Unknown dref type 0x206c7275 size 12
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] Before avformat_find_stream_info() pos: 34044 bytes read:65536 seeks:0 nb_streams:2
[h264 @ 000001baaeb68bc0] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 000001baaeb68bc0] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 000001baaeb68bc0] nal_unit_type: 7(SPS), nal_ref_idc: 3
[h264 @ 000001baaeb68bc0] nal_unit_type: 8(PPS), nal_ref_idc: 3
[h264 @ 000001baaeb68bc0] nal_unit_type: 5(IDR), nal_ref_idc: 3
[h264 @ 000001baaeb68bc0] Format yuv420p chosen by get_format().
[h264 @ 000001baaeb68bc0] Reinit context to 1280x720, pix_fmt: yuv420p
[h264 @ 000001baaeb68bc0] no picture 
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] All info found
[mov,mp4,m4a,3gp,3g2,mj2 @ 000001baaeb55300] After avformat_find_stream_info() pos: 109849 bytes read:131072 seeks:0 frames:15
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/input.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2016-08-24T03:50:36.000000Z
  Duration: 00:01:31.14, start: 0.000000, bitrate: 1149 kb/s
  Stream #0:0[0x1](und), 14, 1/90000: Video: h264 (Main) (avc1 / 0x31637661), yuv420p(progressive), 1280x720 [SAR 1:1 DAR 16:9], 1020 kb/s, 29.97 fps, 29.97 tbr, 90k tbn (default)
    Metadata:
      creation_time   : 2016-08-24T03:50:36.000000Z
      handler_name    : ISO Media file produced by Google Inc.
      vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und), 1, 1/44100: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      creation_time   : 2016-08-24T03:50:36.000000Z
      handler_name    : ISO Media file produced by Google Inc.
      vendor_id       : [0][0][0][0]
Successfully opened the file.
Parsing a group of options: input url C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/output.wav.
Successfully parsed a group of options.
Opening an input file: C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/output.wav.
[NULL @ 000001baaec0e8c0] Opening 'C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/output.wav' for reading
[file @ 000001baaf24ee40] Setting default whitelist 'file,crypto,data'
[wav @ 000001baaec0e8c0] Format wav probed with size=2048 and score=99
[wav @ 000001baaec0e8c0] Before avformat_find_stream_info() pos: 78 bytes read:65614 seeks:1 nb_streams:1
[wav @ 000001baaec0e8c0] probing stream 0 pp:32
[wav @ 000001baaec0e8c0] probing stream 0 pp:31
[wav @ 000001baaec0e8c0] probing stream 0 pp:30
[wav @ 000001baaec0e8c0] probing stream 0 pp:29
[wav @ 000001baaec0e8c0] probing stream 0 pp:28
[wav @ 000001baaec0e8c0] probing stream 0 pp:27
[wav @ 000001baaec0e8c0] probing stream 0 pp:26
[wav @ 000001baaec0e8c0] probing stream 0 pp:25
[wav @ 000001baaec0e8c0] probing stream 0 pp:24
[wav @ 000001baaec0e8c0] probing stream 0 pp:23
[wav @ 000001baaec0e8c0] probing stream 0 pp:22
[wav @ 000001baaec0e8c0] probing stream 0 pp:21
[wav @ 000001baaec0e8c0] probing stream 0 pp:20
[wav @ 000001baaec0e8c0] probing stream 0 pp:19
[wav @ 000001baaec0e8c0] probing stream 0 pp:18
[wav @ 000001baaec0e8c0] probing stream 0 pp:17
[wav @ 000001baaec0e8c0] probing stream 0 pp:16
[wav @ 000001baaec0e8c0] probing stream 0 pp:15
[wav @ 000001baaec0e8c0] probing stream 0 pp:14
[wav @ 000001baaec0e8c0] probing stream 0 pp:13
[wav @ 000001baaec0e8c0] probing stream 0 pp:12
[wav @ 000001baaec0e8c0] probing stream 0 pp:11
[wav @ 000001baaec0e8c0] probing stream 0 pp:10
[wav @ 000001baaec0e8c0] probing stream 0 pp:9
[wav @ 000001baaec0e8c0] probing stream 0 pp:8
[wav @ 000001baaec0e8c0] probing stream 0 pp:7
[wav @ 000001baaec0e8c0] probing stream 0 pp:6
[wav @ 000001baaec0e8c0] probing stream 0 pp:5
[wav @ 000001baaec0e8c0] probing stream 0 pp:4
[wav @ 000001baaec0e8c0] probing stream 0 pp:3
[wav @ 000001baaec0e8c0] probing stream 0 pp:2
[wav @ 000001baaec0e8c0] probing stream 0 pp:1
[wav @ 000001baaec0e8c0] probed stream 0
[wav @ 000001baaec0e8c0] parser not found for codec pcm_s16le, packets or times may be invalid.
[wav @ 000001baaec0e8c0] max_analyze_duration 5000000 reached at 5120000 microseconds st:0
[wav @ 000001baaec0e8c0] After avformat_find_stream_info() pos: 176206 bytes read:262222 seeks:1 frames:42
Guessed Channel Layout for Input Stream #1.0 : mono
Input #1, wav, from 'C:\Users\batuh\Auto-Subtitled-Video-Generator - Copy2\pages\local_transcript\output/output.wav':
  Metadata:
    encoder         : Lavf59.34.101
  Duration: 00:01:31.14, bitrate: 256 kb/s
  Stream #1:0, 42, 1/16000: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 16000 Hz, 1 channels, s16, 256 kb/s
Successfully opened the file.
[Parsed_subtitles_0 @ 000001baaeb7d040] Setting 'filename' to value 'C\:\\Users\\batuh\\Auto-Subtitled-Video-Generator - Copy2\\pages\\local_transcript\\output/transcript.srt'
[Parsed_subtitles_0 @ 000001baaeb7d040] libass API version: 0x1600010
[Parsed_subtitles_0 @ 000001baaeb7d040] libass source: commit: 0.16.0-48-g75a3dbac9bd41842a4d00b0d42c9513e2c8aec67
[Parsed_subtitles_0 @ 000001baaeb7d040] Raster: FreeType 2.12.1
[Parsed_subtitles_0 @ 000001baaeb7d040] Shaper: FriBidi 1.0.12 (SIMPLE) HarfBuzz-ng 5.3.1 (COMPLEX)
[Parsed_subtitles_0 @ 000001baaeb7d040] Initialized
[NULL @ 000001baaf473400] Opening 'C\:\\Users\\batuh\\Auto-Subtitled-Video-Generator - Copy2\\pages\\local_transcript\\output/transcript.srt' for reading
[file @ 000001baaeb7dc40] Setting default whitelist 'file,crypto,data'
[Parsed_subtitles_0 @ 000001baaeb7d040] Unable to open C\:\\Users\\batuh\\Auto-Subtitled-Video-Generator - Copy2\\pages\\local_transcript\\output/transcript.srt
[AVFilterGraph @ 000001baaf24ef40] Error initializing filter 'subtitles' with args 'C\\\:\\\\Users\\\\batuh\\\\Auto-Subtitled-Video-Generator - Copy2\\\\pages\\\\local_transcript\\\\output/transcript.srt'
Error initializing complex filters.
Invalid argument
[AVIOContext @ 000001baaeb5f880] Statistics: 131072 bytes read, 0 seeks
[AVIOContext @ 000001baaf10b2c0] Statistics: 262222 bytes read, 1 seeks



  


  I tried doing all ffmpeg related things under the generate_subtitled_video function but couldn't make it work either.