User contributions for Knowledgebaseadmin

6 March 2025

• 15:5815:58, 6 March 2025 diff hist +833 N FFmpeg - Encode VP8 Created page with "In addition to the "default" VBR mode, there's a constant quality mode (like in the x264 encoder) that will ensure that every frame gets the number of bits it deserves to achieve a certain quality level, rather than forcing the stream to have an average bit rate. This results in better overall quality and should be your method of choice when you encode video with libvpx. In this case, the target bitrate becomes the maximum allowed bitrate. You enable the constant quality..." current
• 15:4915:49, 6 March 2025 diff hist +26 Main Page →Audio Codecs
• 15:4915:49, 6 March 2025 diff hist +38 FFmpeg - Encode Opus No edit summary current
• 15:4615:46, 6 March 2025 diff hist +30 Main Page →Audio Codecs
• 15:4515:45, 6 March 2025 diff hist +79 Main Page →Video Codecs
• 15:4415:44, 6 March 2025 diff hist +28 Main Page →Software
• 15:4315:43, 6 March 2025 diff hist +24 Main Page →Audio Codecs
• 15:4215:42, 6 March 2025 diff hist +33 Main Page →Software
• 15:4015:40, 6 March 2025 diff hist +25 Main Page →Audio Codecs
• 15:3215:32, 6 March 2025 diff hist +5 m Internet Explorer - CSS support in Internet Explorer 3 No edit summary current
• 15:3115:31, 6 March 2025 diff hist +160 Internet Explorer - CSS support in Internet Explorer 3 No edit summary
• 15:2315:23, 6 March 2025 diff hist +99 Certbot - Install Certificate in Nginx No edit summary current
• 15:2215:22, 6 March 2025 diff hist +73 N Certbot - Install Certificate in Nginx Created page with "Category:certbot Category:Nginx <pre> sudo certbot --nginx </pre>"
• 15:1715:17, 6 March 2025 diff hist +558 N FFmpeg - Encode AAC Created page with "Category:FFmpeg Category:AAC <pre> ffmpeg -i <input.file> -c:a libfdk_aac -ac 2 -b:a 128k <output.file> </pre> These settings target a specific bit rate, with less variation between samples. It gives you greater control over file size, and it is compatible with the HE-AAC profile. As a rule of thumb, for audible transparency, use 64 kBit/s for each channel (so 128 kBit/s for stereo, 384 kBit/s for 5.1 surround sound).<br/> Set the bit rate with the <code>-b:a</co..." current
• 15:0115:01, 6 March 2025 diff hist +5 m FFmpeg - Encode Opus No edit summary
• 15:0015:00, 6 March 2025 diff hist +429 N FFmpeg - Encode Opus Created page with "<pre> ffmpeg -i <input.file> -c:a libopus -b:a 128 <output.file> </pre> Opus at 128 KB/s (VBR) is pretty much transparent<br/> Reference: https://wiki.xiph.org/Opus_Recommended_Settings#:~:text=Opus at 128 KB/s,VBR) is pretty much transparent. xiph.org: Opus Recommended Settings Further Reading: https://trac.ffmpeg.org/wiki/Encode/HighQualityAudio FFmpeg: Guidelines for high quality lossy audio encoding"
• 14:4814:48, 6 March 2025 diff hist +5 FFmpeg - Encode Vorbis No edit summary current
• 14:4714:47, 6 March 2025 diff hist +749 N FFmpeg - Encode Vorbis Created page with "Category:FFmpeg Category:Vorbis <pre> ffmpeg -i <input.file> -a:c libvorbis -qscale:a 3 <output.file> </pre> "libvorbis" - Usable range ≥ 96 Kbps. Recommended range ≥ 192 Kbps.<br/> -qscale:a – audio quality. Range is -1.0 to 10.0, where 10.0 is highest quality. Default is -q:a 3 with a target of ​112kbps. The formula 16×(q+4) is used below 4, 32×q is used below 8, and 64×(q-4) otherwise. Examples: 112=16×(3+<b>4</b>), 160=32×<b>5</b>, 192=32×<b>6</..."
• 14:3414:34, 6 March 2025 diff hist +686 N FFmpeg - Encode MP3 Created page with "Category:FFmpeg Category:MP3 <pre> ffmpeg -i <input.file> -codec:a libmp3lame -qscale:a 2 <output.file> </pre> The transparency threshold for MP3 to linear PCM audio is said to be between 175 and 245 kbit/s, at 44.1 kHz, when encoded as VBR MP3…<br/> Reference: https://trac.ffmpeg.org/wiki/Encode/MP3 FFmpeg: FFmpeg MP3 Encoding Guide<br/> Reference: https://trac.ffmpeg.org/wiki/Encode/HighQualityAudio FFmpeg: Guidelines for high quality lossy audio encod..." current
• 14:1914:19, 6 March 2025 diff hist +33 N FFmpeg - VP9 Knowledgebaseadmin moved page FFmpeg - VP9 to FFmpeg - Encode VP9 current Tag: New redirect
• 14:1914:19, 6 March 2025 diff hist 0 m FFmpeg - Encode VP9 Knowledgebaseadmin moved page FFmpeg - VP9 to FFmpeg - Encode VP9 current
• 14:1814:18, 6 March 2025 diff hist +36 N FFmpeg - Theora Knowledgebaseadmin moved page FFmpeg - Theora to FFmpeg - Encode Theora current Tag: New redirect
• 14:1814:18, 6 March 2025 diff hist 0 m FFmpeg - Encode Theora Knowledgebaseadmin moved page FFmpeg - Theora to FFmpeg - Encode Theora current
• 14:1814:18, 6 March 2025 diff hist +33 N FFmpeg - AVC Knowledgebaseadmin moved page FFmpeg - AVC to FFmpeg - Encode AVC current Tag: New redirect
• 14:1814:18, 6 March 2025 diff hist 0 m FFmpeg - Encode AVC Knowledgebaseadmin moved page FFmpeg - AVC to FFmpeg - Encode AVC current
• 13:5113:51, 6 March 2025 diff hist +40 FFmpeg - Encode Theora No edit summary
• 13:5013:50, 6 March 2025 diff hist +196 N FFmpeg - Encode Theora Created page with "<pre> ffmpeg -i <input.file> -c:v libtheora -qscale:v 10 <output.file> </pre> Reference: https://trac.ffmpeg.org/wiki/TheoraVorbisEncodingGuide FFmpeg: A Brief Theora and Vorbis Encoding Guide"
• 13:4413:44, 6 March 2025 diff hist +37 m FFmpeg - Encode AVC No edit summary
• 13:4413:44, 6 March 2025 diff hist +1,083 N FFmpeg - Encode AVC Created page with "Use this rate control mode if you want to keep the best quality and care less about the file size. This is the recommended rate control mode for most uses.<br/> This method allows the encoder to attempt to achieve a certain output quality for the whole file when output file size is of less importance. The downside is that you can't tell it to get a specific filesize or not go over a specific size or bitrate, which means that this method is not recommended for encoding vi..."
• 13:3613:36, 6 March 2025 diff hist +5 m FFmpeg - Encode VP9 No edit summary
• 13:3613:36, 6 March 2025 diff hist +747 N FFmpeg - Encode VP9 Created page with "Category:FFmpeg Category:VP9 Two-pass is the recommended encoding method for libvpx-vp9 as some quality-enhancing encoder features are only available in 2-pass mode.<br/> Constant quality 2-pass is invoked by setting <code>-b:v</code> to <code>zero</code> and specifying a quality level using the <code>-crf</code> switch:<br/> <pre> ffmpeg -i <input.file> -c:v libvpx-vp9 -b:v 0 -crf 30 -pass 1 -an -f null /dev/null && \ ffmpeg -i <input.file> -c:v libvpx-vp9 -b:v..."
• 13:2913:29, 6 March 2025 diff hist +5 m FFmpeg - MP4 Faststart No edit summary current
• 13:2813:28, 6 March 2025 diff hist +138 Main Page No edit summary
• 13:2613:26, 6 March 2025 diff hist +54 FFmpeg - MP4 Faststart No edit summary
• 13:2613:26, 6 March 2025 diff hist +563 FFmpeg - MP4 Faststart No edit summary
• 13:1713:17, 6 March 2025 diff hist +456 N FFmpeg - MP4 Faststart Created page with "Normally, a MOV/MP4 file has all the metadata about all packets stored in one location. This data is usually written at the end of the file, but it can be moved to the start for better playback by adding <code>+faststart</code> to the <code>-movflags</code>…<br/> <pre> ffmpeg -i <input.file> -c copy -f mp4 -movflags +faststart <output.file> </pre> Reference: https://ffmpeg.org/ffmpeg-formats.html#Fragmentation FFmpeg: FFmpeg Formats Documentation"
• 13:0613:06, 6 March 2025 diff hist +200 Main Page No edit summary
• 13:0213:02, 6 March 2025 diff hist +426 Main Page No edit summary
• 12:5312:53, 6 March 2025 diff hist +19 Linux - Synchronise 2 Directories No edit summary current
• 12:5212:52, 6 March 2025 diff hist +42 Linux - a2enmod command not found No edit summary current
• 12:5112:51, 6 March 2025 diff hist +23 Kodi - Add-on: TVHeadEnd HTSP Client No edit summary current
• 12:5012:50, 6 March 2025 diff hist +18 Kodi - Add-on: Emby for Kodi No edit summary current
• 12:5012:50, 6 March 2025 diff hist +28 Internet Explorer - Text Shadow and Glow No edit summary current
• 12:4912:49, 6 March 2025 diff hist +17 Internet Explorer - Targeting Older Browsers in CSS No edit summary current
• 12:4812:48, 6 March 2025 diff hist +50 Internet Explorer - CSS support in Internet Explorer 3 No edit summary
• 12:4812:48, 6 March 2025 diff hist +28 Internet Explorer - Box Shadow No edit summary current
• 12:4112:41, 6 March 2025 diff hist +42 N FFmpeg - Scale and Latterbox Knowledgebaseadmin moved page FFmpeg - Scale and Latterbox to FFmpeg - Scale and Letterbox current Tag: New redirect
• 12:4112:41, 6 March 2025 diff hist 0 m FFmpeg - Scale and Letterbox Knowledgebaseadmin moved page FFmpeg - Scale and Latterbox to FFmpeg - Scale and Letterbox current
• 12:4012:40, 6 March 2025 diff hist +27 FFmpeg - Scale and Letterbox No edit summary
• 12:3912:39, 6 March 2025 diff hist +23 FFmpeg - Output Network Stream No edit summary