Articles about fmpeg | UserComp.com | Page [ 7 ]

FFmpeg Fails to Rotate Landscape MP4 Videos During Concatenation

Fix FFmpeg landscape MP4 rotation loss during concatenation by re-encoding with transpose filters or using the concat demuxer to preserve metadata.

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Fixing ffmpeg error: Input link parameters do not match the corresponding output link parameters

Resolve ffmpeg input link parameter mismatch errors by normalizing video resolution, frame rate, and audio sample rates before concatenation.

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Making Visually Lossless Images: Differences Between Images and Videos with Undetectable Quality using FFmpeg

Resolve visual artifacts in compressed images by selecting appropriate codecs and parameters to achieve undetectable quality loss.

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FFmpeg CUDA decoder much slower than CPU decoder: A Comparison

Resolve FFmpeg CUDA decoder slowness by minimizing PCIe transfers and ensuring proper hardware acceleration configuration.

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Edit video h.264 metadata without encode

Edit H.264 video metadata without re-encoding to preserve quality and save time using FFmpeg stream copy.

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How to repair incorrect movie metadata?

Fix incorrect movie metadata like titles and artists in video files using ffmpeg without re-encoding.

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Using ffmpeg with MTS files created from Canon video camera

Resolve Canon MTS playback errors and compatibility issues by converting files to H.264 MP4 using ffmpeg with proper deinterlacing and audio settings.

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FFmpeg Select JPG Files: How to Extract and Manipulate Images with FFmpeg

Extract specific JPG frames from video files using FFmpeg filters for precise batch processing and thumbnail generation.

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Applying libvpx-vp9 (webm) with FFmpeg: A Step-by-Step Guide

Encode high-quality VP9 video in WebM containers using FFmpeg by adjusting CRF, bitrate, and scaling filters for optimal web delivery.

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FFmpeg XFade with Frame Rate 60 and Image Scaling Not Working: A Solution

Fix FFmpeg xfade and image scaling errors at 60 fps by synchronizing frame rates with -r flags and normalizing input dimensions using the scale filter.

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Using FFmpeg Filters for Video Enhancement

Fixes video brightness, contrast, and color balance issues using FFmpeg filter chains like eq, hue, and colorbalance.

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Transition Effects Not Working with FFmpeg Command: A Solution

Resolve FFmpeg transition failures by fixing filtergraph syntax, stream labels, and pixel format mismatches using xfade and blend filters.

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Weird FFmpeg Behavior: Shortest Flag Ends Audio Early

Resolve FFmpeg -shortest flag cutting audio early due to video timestamp drift or frame rate mismatches.

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FFmpeg: Scale2Ref Overlay Complex Filters Returning Audio-Only MP4 Output

Resolve FFmpeg audio-only MP4 output by bypassing scale2ref filters and using stream mapping with the -map flag to select only the audio track.

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Buffered Stream and FFmpeg Seek: How to Optimize Video Streaming

Optimize FFmpeg video streaming by enabling fast start and regular keyframes to reduce initial load latency and ensure precise seeking accuracy.

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How to Add Multiple Audio and Subtitle Tracks to Video

Add multiple audio and subtitle tracks to a video using FFmpeg stream mapping without re-encoding.

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Making Switchable Subtitles and Black Video with FFmpeg: A Solution

Resolve player compatibility issues for multilingual content by muxing black video, silent audio, and switchable subtitle tracks into a single MKV file.

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Creating Individual TS Segments Playlists with ffmpeg in Kali Linux

Split video files into HLS TS segments and M3U8 playlists using ffmpeg in Kali Linux.

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Can't Convert APNG to MP4 Video with FFmpeg?

Fixes FFmpeg APNG to MP4 conversion errors by explicitly setting the frame rate and mapping the video stream for correct timing.

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Pipe ffmpeg showinfo Output to Stdout

Redirect ffmpeg showinfo output to stdout by merging stderr into stdout using shell redirection or subprocess pipes.

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Upgraded FFmpeg 7: Drawtext Error

Resolve FFmpeg 7 drawtext filter failures by enabling libfreetype and libharfbuzz support.

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Using x265 params with ffmpeg doesn't impact file size or quality: A tech support perspective

Resolve ffmpeg x265 parameters not affecting file size by fixing conflicting flags, ensuring re-encoding, and correcting rate control settings.

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Normalization of Lossy Audio: How to Achieve Optimal Sound Quality

Resolve inconsistent volume and clipping in lossy audio collections by applying EBU R128 standards using ffmpeg’s two-pass loudnorm workflow.

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FFMPEG: H.265 (HEVC) Video Encoding with VCNVENC (yuv420) at 800Mbps

Resolve FFmpeg encoding errors for AMD VCNVENC by specifying hevc_vcn codec, yuv420p pixel format, and 800Mbps bitrate.

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Attempting to Get Specific Settings for FFmpeg Encodes

Resolve FFmpeg encoding errors by extracting input metadata with MediaInfo to construct accurate command lines.

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Getting Pixelated Videos after FFmpeg Converting GIFs

Resolve pixelated FFmpeg GIF conversions by setting higher bitrates, using YUV420P pixel format, and adjusting CRF or quality scales for WebM and MP4 outputs.

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Exit on network or other failure when recording an RTSP stream

Prevent FFmpeg from exiting prematurely on RTSP network failures by enabling TCP transport, automatic reconnection, and adjusted timeout settings.

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FFmpeg: VP9 HDR10 4k Input to HEVC Output Not Saving

Fix FFmpeg VP9 HDR10 to HEVC transcoding failures by specifying -pix_fmt yuv420p10le for software or p010le for hardware encoding to preserve 10-bit depth.

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Unexpected MP3 Output Bitrate after Specifying 32kbps with FFmpeg

Resolve FFmpeg MP3 bitrate fallback by setting mono audio and 24000Hz sample rate to enforce a 32kbps output.

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FFmpeg WebM YouTube Settings Command for Stills

Generate a YouTube-compatible WebM still image using FFmpeg with VP9 encoding and looping to prevent format rejection errors.

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Extracting frames with FFmpeg yields low resolution color

Resolve low resolution and color distortion in FFmpeg frame extraction by explicitly setting the output pixel format to rgb24.

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Identifying the Fastest Video Codec: A Test with FFmpeg

Determine the fastest video codec for your hardware by benchmarking FFmpeg encoding speed and CPU usage to balance throughput with file size.

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Resolving GStreamerFFmpeg: MEDIA_ERR_DECODE

Resolve GStreamer MEDIA_ERR_DECODE by fixing malformed pipelines, removing redundant TS muxing, and ensuring correct H.264 parsing for DASH output.

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Troubleshooting FFmpeg: Out-of-Sync Glitches with Concatenate Filter and Cut Segments

Fix FFmpeg out-of-sync glitches during concatenation by resetting video timestamps with setpts and resampling audio to ensure continuous timing.

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Print Multiple File Paths to a File without Double Quotes & New Line using FFmpeg

Generate an FFmpeg concat demuxer input list without double quotes or extra whitespace using Windows command prompt for loop.

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Troubleshooting FFmpeg Rawbitstream Error in MKV/VOB Conversion

Resolve FFmpeg rawbitstream errors in MKV/VOB conversion by forcing video re-encoding with libx264 to fix malformed headers.

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Boosting Geforce Experience Performance with FFmpeg Screencapture

Resolve FFmpeg buffer overflows and dropped frames during 4K gaming capture by switching to NVENC encoding and D3D11grab input.

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Delays in Audio Sync Playback with FFmpeg: A Solution for MKV Files with HEVC Video, AAC Audio, and MJPEG Subtitles

Resolve audio desynchronization in MKV files with HEVC, AAC, and MJPEG subtitles by using FFmpeg's -itsoffset flag to adjust timestamps without re-encoding.

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Troubleshooting FFmpeg's RTPS Stream FPS Detection Bug

Resolve FFmpeg RTP stream FPS detection errors by explicitly setting the input frame rate with -r or correcting timestamps using -fflags +genpts.

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Batch File for FFmpeg: Output Every 5th Frame

Extract every fifth frame from a video file using FFmpeg and a reusable batch script to create time-lapse sequences or reduce data size.

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FFmpeg - Write Video Segments with Filenames Containing Timezone Offset

Resolve inconsistent video segment naming by embedding UTC timezone offsets using the %z strftime directive in FFmpeg.

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Combining Two Corrupted Movie Files into a Working File

Fix corrupted video files by repairing broken headers with ffmpeg and concatenating the valid segments into a single playable file.

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FFmpeg: Select Filter Not Working for Multiple Clip Extraction

Resolve corrupted output and black frames when extracting multiple disjointed video clips with FFmpeg select filter by using segmented extraction with trim and setpts.

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Concatenate Image and Video Without Reencoding Video: A Guide for Tech Support

Concatenate images and videos without reencoding by using the FFmpeg concat demuxer to preserve quality and speed.

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Convert Container Format with FFmpeg without Re-encoding: A Step-by-Step Guide

Use FFmpeg with the -c copy flag to instantly change a media file's container format without re-encoding, preserving original quality and saving significant time.

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Setting up FFmpeg with Multiple Inputs from a Single Streaming Card

Resolve resource contention and single-point failures when capturing multiple independent inputs from a single streaming card by running separate FFmpeg processes.

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FFmpeg Watermark and HLS Stream: How to Add Watermarks to HLS Video Streams

Add watermarks to HLS video streams by integrating the overlay filter into the initial FFmpeg encoding pass for consistent segment coverage.

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Generating FFmpeg Command for Muxing Subtitles to Match VLC's Standard Format

Resolve VLC subtitle display errors by using the mov_text codec to mux SRT files into MP4 containers.

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Concatenate Videos Using FFmpeg: A Comprehensive Guide

Merge multiple video files into one without re-encoding by ensuring identical codecs and resolutions using FFmpeg's concat demuxer.

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Error Starting Encoding with Multiple Video Streams in FFmpeg

Resolve FFmpeg errors when encoding multiple video streams by using -map flags to explicitly select streams and switching the output container to MKV for better compatibility.

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