Articles about video | UserComp.com | Page [ 4 ]

Error Concatenating Two Parts of Different Speeds with FFmpeg

Resolve FFmpeg concat errors for clips with different speeds by normalizing frame rates and timestamps before merging.

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How to Convert .mod to .mp4 Using FFmpeg

Resolve FFmpeg errors when converting .mod files by identifying them as audio-only tracker modules rather than video containers.

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Can't Play H.265 Encoded Video Files on TV: AOC Model

Resolve H.265 playback failures on AOC TVs by converting files to H.264 or using an external streaming device.

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Fixing Video Width and Height with ffmpeg: A Tech Support Guide

Resolve video dimension errors, odd pixel counts, and aspect ratio mismatches using FFmpeg scaling filters.

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Pixelated Videos: Improve Quality using FFmpeg

Resolve pixelated MP4 videos by converting to WebM with VP9 and applying FFmpeg sharpening filters.

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Maintaining Transparency and Small File Size When Creating Videos with FFmpeg

Resolve FFmpeg transparency and file size issues by encoding image sequences to WebM with VP8/VP9 and Opus audio.

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Troubleshooting Slow Video Splitting with FFmpeg

Resolve slow video splitting in FFmpeg by using stream copy and aligning cuts with keyframes to bypass unnecessary decoding.

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Understanding the Total Duration with Xfade in FFmpeg

Calculate FFmpeg xfade video duration by subtracting total transition overlap from the sum of input clip durations.

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FFmpeg: Combining Inputs and Adding Logos

Merge multiple videos side-by-side and overlay a transparent logo using FFmpeg filtergraphs to ensure synchronization and correct positioning.

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Troubleshooting: 'v4l2' is not a suitable output format

Resolve the FFmpeg error by replacing the V4L2 device path with a valid file container format like MP4 or MKV for the output destination.

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Strange Issue with BTRFS, Broken Video File after BT Download using Transmission on Linux

Resolve BTRFS video corruption from Transmission by verifying checksums and re-downloading affected files.

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What Decoder Does FFmpeg Actually Use? A Look into FFmpeg's Decoding Process

Resolve FFmpeg decoder selection issues by verifying available hardware and software decoders in your build.

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Understanding Video Compression: A Beginner's Guide

Reduce video file sizes using H.265 compression and HandBrake while maintaining quality and ensuring device compatibility.

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Fixing Error: Unable to Find Suitable Output Format when Trimming H265 Videos using FFmpeg

Resolve FFmpeg Unable to Find Suitable Output Format error by adding valid extensions like .mp4 or using the -f flag for H265 trimming.

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HEVC NVENC with ffmpeg: '-pix_fmt p010le' and '-pix_fmt yuv420p10le' doesn't work

Resolve hevc_nvenc invalid argument errors by converting input pixel formats like p010le to supported planar formats such as yuv420p10le.

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How to Send Multi Video in UDP Protocol with Single IP/Port?

Resolve the inability to send multiple video streams over a single UDP socket by multiplexing them into an MPEG-TS container or using RTP with unique SSRC identifiers.

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Storing Data Inside Video Files: Tips and Tricks

Demonstrates how to embed hidden data in video files using steganography via file appending or metadata injection.

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Slow Map Metadata with libx265 for FFmpeg: A Step-by-Step Guide

Resolve FFmpeg stalls caused by invalid -map_metadata indices and accelerate libx265 encoding by adjusting presets.

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How to Fix Video Encoding to AV1 for Smoother Playback

Fix video buffering and stuttering by transcoding files to AV1 using FFmpeg for smaller sizes and smoother playback.

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ShareX: Recorded Long Video Not Fast Forwarding - Troubleshooting

Fix ShareX long video recordings that fail to fast forward by repairing the MP4 index with FFmpeg or updating ShareX.

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Unexpected output when using FFMPEG to add multiple English Subtitles to MP4 file

Resolve FFmpeg overwriting subtitles by explicitly mapping each input stream and using the mov_text codec to preserve multiple subtitle tracks in MP4 files.

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Compressing Large Talk Video: Unsure about FFmpeg Settings, Seeking Alternatives

Resolve large talk video file sizes using FFmpeg CRF settings or HandBrake while preserving visual quality.

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Hiring a Video Editor in East Coast Romania: Substantial Lag in Uploading/Downloading Video Files?

Resolve slow video file transfers in East Coast Romania by diagnosing network bandwidth, hardware bottlenecks, and inefficient protocols.

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Setting Custom PTS for M4V Video Start Point with FFmpeg

Reset M4V video and audio start points to zero using FFmpeg setpts filters without re-encoding.

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How to run same cmd code across multiple folders

Automate running commands across multiple subdirectories in Windows using a for /d loop to avoid manual navigation and path errors.

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Slide Text Using Drawtext in FFmpeg: A Tech Support Guide

Slide text across video using FFmpeg drawtext filter with time-based expressions for automated scrolling.

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Generate a video with an image every 5 seconds using ffmpeg

Create a video displaying a single image for five seconds using ffmpeg with the -loop and fps filter options.

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Windows 11: VLC not playing video files with long paths

Resolve VLC video playback failures on Windows 11 caused by file paths exceeding the 260-character limit.

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Replacing Soundtracks in an MP4 Video using FFmpeg with Complex Concat Audio

Replace MP4 audio with two concatenated AAC files using FFmpeg concat filter to avoid re-encoding video and preserve quality.

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Compressing MP4 Videos with x265: Keeping Audio Tracks Intact

Resolve FFmpeg errors when compressing MP4s with x265 by using -c:a copy to preserve all audio tracks and metadata without re-encoding.

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Possible Test FFmpeg Command Without Actual Running: A Comprehensive Guide

Validate FFmpeg commands for syntax and stream mapping errors without consuming resources or disk space.

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How to Fix Video or Audio Missing the First Few Seconds on Windows 10

Resolve missing audio or video at the start of playback on Windows 10 by updating drivers, disabling fast startup, and adjusting media player cache settings.

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Invalid PNG signature FFmpeg Error: How to Fix It

Fixes the Invalid PNG signature error in FFmpeg by verifying input file integrity and correcting codec mismatches.

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How to Shrink Multiple Videos into Specific Time using FFmpeg

Shrink multiple videos to a specific duration using FFmpeg filters without re-encoding.

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Remuxing M2VBIKMKV files to MKV

Fix corrupted M2VBIKMKV files by inspecting headers with ffprobe and remuxing valid streams to MKV without re-encoding.

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Encountering Issues While Encoding VP9 Files with FFmpeg: Video Dimensions Greater Than 16256 Pixels

Resolve FFmpeg VP9 encoding failures for videos exceeding 16256 pixels by scaling frames with the -vf scale filter.

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Troubleshooting FFMPEG Conversion of HEVC with Alpha MOV to PNG Sequence

Resolve FFmpeg HEVC alpha MOV to PNG conversion failures by ensuring correct pixel format handling.

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Fixing Mirrored Video Playback in VLC on Windows 10

Resolve mirrored video playback in VLC on Windows 10 by disabling the Transform effect or resetting corrupted preferences.

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Streaming to Facebook Live with ffmpeg

Solves Facebook Live streaming failures by providing correct RTMPS configuration, bitrate optimization, and ffmpeg command structures.

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Convert MP4 to AMV Faster with ffmpeg

Resolve playback failures on legacy devices by converting MP4 to AMV using ffmpeg with correct codecs and resolution.

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Troubleshooting Different FFmpeg Signatures in Video Playback

Resolve FFmpeg video signature mismatches by diagnosing stream properties and metadata differences using ffprobe.

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How to Use Ffmpeg OpenCl Filters That Are Accelerated with nvenc

Resolve FFmpeg OpenCL errors on NVIDIA GPUs by using CUDA and NPP filters to keep video frames on the GPU for NVENC acceleration.

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Change Video Metadata handler_name

Resolve playback issues by changing the video handler_name metadata using FFmpeg remuxing without re-encoding.

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Recommended Free Video Compressor Websites/Software for Reducing File Size

Reduce video file sizes for easier sharing and storage using free tools like HandBrake or FFmpeg while maintaining visual quality.

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Solving Random Mouse Lag During Video/Animation Playback in Web Browsers

Resolve intermittent mouse lag during video playback by disabling hardware acceleration, updating GPU drivers, and managing browser extensions.

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How to detect with ffmpeg if the stream has video or audio or both

Detect if a media file contains video, audio, or both using ffprobe JSON output for automated pipeline validation.

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How to Prevent Lost Embedded Subtitles when Repairing Video with FFmpeg

Prevent lost embedded subtitles during video repair by using -c:s copy and -map 0 to preserve subtitle streams without re-encoding.

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Lenovo P330: Lose Video Output after Removing GPU

Resolve video loss on Lenovo P330 after removing the dedicated GPU by reinstalling or replacing it with a compatible low-profile card.

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How to Select Maximum Resolution and Specify a Format with yt-dlp

Resolve yt-dlp download failures by selecting maximum resolution and specifying compatible formats using the -f flag.

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Setting Output Bitrate Ratio for FFmpeg Audio/Video Combine

Resolve unpredictable FFmpeg audio-video bitrate distribution by manually calculating and setting -b:v and -b:a flags to enforce a precise bandwidth ratio.

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