Issues

• include support for opencv 5

  enhancementhelp wanted
  bytedeco/javacv#2388 · Filter by author albertoSoto opened on Jun 9, 2026

• h264_cuvid crashed when meets with dynamic resolution stream.

  enhancementhelp wanted
  bytedeco/javacv#2384 · Filter by author abovzv opened on Mar 30, 2026
  4

• FFmpegFrameGrabber should throw an exception when attempting to access stream metadata before calling start()

  enhancementhelp wantedquestion
  bytedeco/javacv#2382 · Filter by author shan-luan opened on Feb 19, 2026
  4

• How to read/write SEI(User Data Unregister) from/to H264/HEVC stream?

  enhancementhelp wantedquestion
  bytedeco/javacv#2379 · Filter by author conlaychan opened on Feb 9, 2026
  1

• I use grabber and record for video processing vs directly using ffmpeg has different effects.

  help wantedquestion
  bytedeco/javacv#2377 · Filter by author Aismy opened on Feb 3, 2026
  6

• avcodec_open2() error -542398533: Could not open video codec.

  help wantedquestion
  bytedeco/javacv#2373 · Filter by author zhangyu007 opened on Jan 8, 2026
  4

• How to play aes encrypted hls video

  help wantedquestion
  bytedeco/javacv#2372 · Filter by author rohan-paudel opened on Dec 21, 2025

• Unable to provide valid hw_frames_ctx for CUDA filter chain in JavaCV GPU pipeline

  enhancementquestion
  bytedeco/javacv#2365 · Filter by author qiuweichang opened on Oct 15, 2025
  6

• MP4 Files Unplayable After Crash Despite Using frag_keyframe+empty_moov with FFmpegFrameRecorder

  help wantedquestion
  bytedeco/javacv#2358 · Filter by author djkdeveloper opened on Sep 26, 2025
  1

• Memory leak found in FFmpegFrameRecorder

  bughelp wantedquestion
  bytedeco/javacv#2356 · Filter by author whz-NJ opened on Sep 23, 2025
  18

• About FFmpeg interrupt_callback

  help wantedquestion
  bytedeco/javacv#2355 · Filter by author impl1874 opened on Sep 18, 2025
  2

• JVM crash when set FFmpegFrameGrabber's image mode to RAW

  help wantedquestion
  bytedeco/javacv#2351 · Filter by author kingw0 opened on Sep 6, 2025

• Why do I get different frame contents after extracting frames from audio using JavaCV version 1.5.9 and version 1.5.11?

  help wantedquestion
  bytedeco/javacv#2347 · Filter by author chenguolei opened on Aug 11, 2025

• compiling sample FaceApplet: error: cannot find symbol

  enhancementhelp wanted
  bytedeco/javacv#2344 · Filter by author sgnyjohn opened on Jul 24, 2025
  1

• Can the startUnsafe method of FFmpegFrameGrabber not retry after the streaming operation timeout

  enhancementhelp wanted
  bytedeco/javacv#2343 · Filter by author sunyike opened on Jul 21, 2025
  1

• imwrite not fully completed when returned corrupting imagefiles

  help wantedquestion
  bytedeco/javacv#2342 · Filter by author oliverunger opened on Jul 16, 2025
  15

• The transparency information in the generated APNG file has not been processed correctly

  help wantedquestion
  bytedeco/javacv#2335 · Filter by author rongfeng16 opened on May 7, 2025
  2

• Constructor for GpuMat class fails with RuntimeException due to no CUDA support detected

  help wantedquestion
  bytedeco/javacv#2331 · Filter by author drwootton opened on Mar 31, 2025
  4

• How to specify the screen for screen capturing in JavaCV

  help wantedquestion
  bytedeco/javacv#2324 · Filter by author SpringStudent opened on Mar 14, 2025

• How to exclude unnecessary JavaCV modules from the dependencies of a modular (JPMS) project?

  enhancementhelp wantedquestion
  bytedeco/javacv#2323 · Filter by author stechio opened on Mar 11, 2025
  4

  

• Lossless conversion from an image to a video

  help wantedquestion
  bytedeco/javacv#2322 · Filter by author Phuc-Hong-Tran opened on Mar 8, 2025
  13

• Android download is not working

  enhancementhelp wantedquestion
  bytedeco/javacv#2319 · Filter by author ankhafizov opened on Feb 27, 2025
  14

• converting avi-format-video file to m3u8 with Video codec not found.

  help wantedquestion
  bytedeco/javacv#2317 · Filter by author zzhua195 opened on Feb 18, 2025
  3

• FrameGrabber When reading a frame, the audio encoded in G722 format cannot be read

  help wantedquestion
  bytedeco/javacv#2316 · Filter by author water-rookie opened on Feb 13, 2025
  17

• With Limiting the memory,unknown error made the jvm crash.

  help wantedquestion
  bytedeco/javacv#2308 · Filter by author jiangjiongyu opened on Dec 3, 2024
  5