Articles about fmpeg | UserComp.com | Page [ 2 ]

Animating Parameters with FFmpeg: Creating a Gradual Color Rotation GIF

Generate a looping GIF with gradual color rotation using FFmpeg's hue filter on a solid background.

Read More
Extracting Frames from a Video using FFmpeg: A Step-by-Step Guide

Extract specific frames from a video file using FFmpeg by skipping to a timestamp, applying frame count filters, and limiting output quantity.

Read More
Combine Multiple WAV Files into a Big Multi-Channel WAV File

Merge multiple mono WAV files into a single multi-channel 5.1 surround sound file using FFmpeg's amerge filter.

Read More
How to Capture Time Parameter in ffmpeg Output on EndeavourOS

Enable ffmpeg -stats to capture real-time time parameters and redirect stderr for logging on EndeavourOS.

Read More
Add Multivideo Filter One Command in FFmpeg for Scaling and Watermarking 720p Videos

Resolve the need to scale 720p videos and add watermarks in one FFmpeg command to avoid intermediate files.

Read More
Creating MPEG-TS Multicast Streams with ffmpeg: A Comprehensive Command

Resolve multicast streaming errors by using udp://@ syntax instead of non-existent flags to broadcast MPEG-TS streams via FFmpeg.

Read More
DV Video from Sony Digital 8 Camera Fails to Play in AVI using FFmpeg with H.265

Fix Sony Digital 8 DV video playback errors in AVI by transcoding to H.264 instead of using unsupported H.265 remuxing.

Read More
How to Concatenate Videos with FFmpeg: Keep Original Frame Rate

Resolve frame rate conversion and stuttering when merging video clips by using the FFmpeg concat demuxer to join files without re-encoding.

Read More
Creating a Loom-like Video with FFmpeg

Use FFmpeg to record screen and webcam inputs, then composite them with precise positioning and audio mixing for a professional Loom-style video.

Read More
Resizing Video with FFmpeg: Two Passes, Without Aspect Ratio, Without Black Borders

Resolves FFmpeg video resizing issues by using two-pass encoding with the scale filter to maintain aspect ratio and eliminate black borders.

Read More
Using FFmpeg to Overlay Images on Video Frames

Demonstrates how to overlay images on video frames using FFmpeg with precise positioning, timing control, and transparency handling.

Read More
Troubleshooting: FFMPEG Fails to Detect Subtitles

Resolve FFmpeg failing to detect or preserve subtitles by verifying stream structure, using explicit mapping, and handling external subtitle files.

Read More
Fixing 'No File or Directory' Error When Trying FFmpeg Audio Recording on Arch Linux

Resolve FFmpeg No File or Directory error on Arch Linux by replacing incorrect device paths with valid ALSA identifiers like hw:0,0.

Read More
FFMPEG Says MP3 File Longer Than Expected

Fix MP3 files where FFmpeg reports incorrect duration by stripping metadata and re-encoding with explicit flags to ensure accurate header generation.

Read More
FFmpeg Fails to Process MP4 File Despite VLC Media Player Success

Resolve FFmpeg processing failures on MP4 files that play in VLC by repairing container headers or ignoring structural errors.

Read More
Insufficient Frames in FFmpeg Transcoded Video

Resolve missing frames in FFmpeg VP9 videos by converting variable frame rates to constant and optimizing CRF settings.

Read More
Generate Video, Images, Audio Text File Using FFmpeg: A Step-by-Step Guide

Generate synthetic video, audio, and text files using FFmpeg for development testing without external assets.

Read More
How to Remove All But 2 Subtitles in FFmpeg Without Knowing Their Index Number

Resolve FFmpeg stream mapping errors when retaining only the first two subtitle tracks without knowing their specific index numbers.

Read More
FFmpeg-fconcat: Unable to Read File List from Command Line Pipe?

Resolve FFmpeg concat demuxer pipe errors by writing the file list to a temporary text file instead of piping it directly.

Read More
Increase Blur Power in Video Plays with FFmpeg: A Tech Support Guide

Resolve weak default blurring in FFmpeg by configuring high sigma values for boxblur or gblur filters to achieve strong video obscuration.

Read More
FFmpeg 5.1.3 Stuck Opening AVFoundation Audio Device (AVerMedia Capturer)

Resolve FFmpeg hanging on Linux by replacing incompatible AVFoundation input with ALSA or PulseAudio for AVerMedia capture.

Read More
FFMPEG Resolution and AIFF Audio File

Resizes video resolution using the scale filter and converts or maps AIFF audio streams to compatible codecs like AAC.

Read More
FFMPEG 1080p Parameters Examples

Resolve FFMPEG 1080p encoding issues by applying scale=1920:1080, H.264/AV1 codecs, and CRF 18-23 for optimal quality and compatibility.

Read More
FFMpeg Image Creation from Timestamps

Extract precise single frames from video timestamps using fast seek to avoid keyframe snapping and slow processing.

Read More
How to Forward a Stream Using FFmpeg

Forward a video stream from a Raspberry Pi to an RTMP server using FFmpeg while optimizing settings for limited hardware resources.

Read More
Videolog Clock with FFmpeg: A Step-by-Step Guide

Overlay a dynamic, updating clock on video using FFmpeg drawtext filter with %{localtime} expression.

Read More
Adjusting Volume Levels with FFmpeg: A Fade Solution

Apply smooth fade-in and fade-out transitions to audio files using FFmpeg's afade filter while preventing clipping via volumedetect analysis.

Read More
Downscaling MP4 Video Using Nearest Neighbor Algorithm with FFmpeg

Downscale MP4 video using FFmpeg with nearest neighbor interpolation to preserve sharp pixel art edges without blur.

Read More
Fixing the 'ffmpeg -itsoffset is not working' Issue

Resolve incorrect audio shifting in FFmpeg by placing -itsoffset before the target input and avoiding conflicts with timestamp filters.

Read More
The Challenge of Rendering Characters with FFmpeg: A Burning Captions Issue

Resolve missing characters or boxes when burning subtitles with FFmpeg by specifying a font file that supports the required Unicode glyphs.

Read More
Using FFmpeg to Convert FLAC to ALAC Preserving Metadata

Convert FLAC to ALAC while preserving metadata using FFmpeg.

Read More
Create a Limit Frequency Response Range WAV File Using FFmpeg

Limit the frequency response of a WAV file by applying highpass and lowpass filters to isolate specific audio ranges.

Read More
Creating HLS Segments with a Duration of 200 Seconds

Override FFmpeg's default segment length to create HLS chunks with a 200-second duration using the -hls_time flag.

Read More
Adding Multiple Delayed Audio Streams to a Single Video Using FFmpeg

Resolve audio synchronization issues by adding multiple delayed audio streams to a single video using FFmpeg's adelay and amix filters.

Read More
How to Alter Timestamps and Remove Audio Tracks in M2TS Files using FFmpeg

Remove unwanted audio tracks and fix timestamp misalignment in M2TS files using FFmpeg stream mapping without re-encoding.

Read More
Get Better Results by Reducing Noise with FFmpeg

Resolve grainy video artifacts in FFmpeg by applying the hqdn3d or nlmeans filters to balance noise reduction and processing speed.

Read More
The Correct Way to Pass Encoding without FPS Reset using ffmpeg

Prevent FFmpeg from resetting the frame rate by omitting the -r flag to preserve original timing during encoding.

Read More
Generate Videos from Images with Accurate Duration Using FFMPEG

Resolve inconsistent video duration when converting images to video by using FFmpeg's -framerate and -t flags for precise timing control.

Read More
Fixing Black/Empty Frames at the Start of a Video using FFmpeg

Remove black or empty frames from the start of a video by detecting the first non-black frame timestamp with FFmpeg and trimming both audio and video streams.

Read More
Convert French DTS Audio Track to AAC in MP4 using FFmpeg

Replace French DTS audio with AAC in MP4 using FFmpeg to fix playback errors and ensure universal device compatibility.

Read More
Adding 3-Second Sound at Specific Time in Video Using FFmpeg

Insert a three-second audio clip at a specific timestamp in a video using FFmpeg with -itsoffset and stream mapping.

Read More
FFmpeg-Kit: "Operation not permitted" in many android devices

Resolve FFmpeg-Kit Operation not permitted errors on Android by fixing runtime permissions and Scoped Storage access.

Read More
Segmented and Fragmented MP4 Recording with FFmpeg

Split long FFmpeg recordings into playable fragmented MP4 segments using segment muxer and movflags to prevent playback issues and manage disk space.

Read More
Improving FFmpeg Image Quality and Resolution with 64-bit Depth and 32-bit Float

Prevent clipping and banding in FFmpeg by using 64-bit depth and 32-bit float pixel formats to preserve dynamic range during image processing.

Read More
How to Convert HEVC MP4 to HLS Stream with ffmpeg

Convert HEVC MP4 files to H.264 HLS streams using ffmpeg for broader device compatibility and adaptive bitrate playback.

Read More
Extract Video Segment Timestamps with FFmpeg: Command and Options

Extract precise video segments using FFmpeg by configuring -ss, -t, and -to flags for accurate timestamp selection and efficient stream copying.

Read More
Ffmpeg Not Using Images Frames: A Solution for Inverting Series Images

Fixes FFmpeg failing to process inverted image sequences by resolving input pattern mismatches and missing frame rate specifications.

Read More
FFmpeg Textbox Padding using boxborderw: Setting Width Border

Resolves unreadable video text by adding horizontal padding between characters and the background box border using FFmpeg drawtext.

Read More
Merging MP3 Files: Stopped Around Ubuntu/Kubuntu 20.04 with Sed and FFmpeg

Resolve FFmpeg protocol whitelist errors and malformed sed concat lists when merging MP3 files on Ubuntu 20.04.

Read More
Adding Green Video Overlay with FFmpeg: Define Interval

Add a periodic green video overlay to FFmpeg output using the overlay filter with time-based enable expressions.

Read More