JavaCV 1.5.10

January 29, 2024 version 1.5.10

• Work around swscale bug in FFmpegFrameGrabber for images with unaligned width (issue #1960)
• Improve FFmpegFrameGrabber.setTimestamp() further for MPEG-TS streams (pull #2144)
• Fix module-info.java broken since last release (issue bytedeco/javacpp-presets#1414)
• Add new AudioSplitMergeHelper sample for processing raw audio frames (pull #2052)
• Upgrade dependencies for OpenBLAS 0.3.26, OpenCV 4.9.0, FFmpeg 6.1.1, Leptonica 1.84.1, Tesseract 5.3.4

JavaCV 1.5.9

June 6, 2023 version 1.5.9

• Add FrameRecorder.videoSideData/audioSideData properties and FFmpegFrameRecorder.setDisplayRotation() for convenience (issue #1976)
• Fix FFmpegFrameGrabber.grab() not returning audio frames buffered by the codec (issue #1971)
• Upgrade dependencies for OpenBLAS 0.3.23, OpenCV 4.7.0, FFmpeg 6.0 (issue #1693), librealsense2 2.53.1, Leptonica 1.83.0, Tesseract 5.3.1

JavaCV 1.5.8

November 2, 2022 version 1.5.8

• Override FFmpegFrameGrabber.getVideoCodecName()/getAudioCodecName() to return names of opened codecs (pull #1901)
• Add FrameGrabber.videoDisposition/audioDisposition properties to select streams by disposition (pull #1879)
• Work around OpenKinect2FrameGrabber failing when provided with a pipeline on some system (pull #1886)
• Fix FFmpegFrameRecorder.record() incorrectly flushing the video codec on data frames (issue #1858)
• Improve accuracy of FFmpegFrameGrabber.setFrameNumber() (pull #1851)
• Add FrameGrabber.resetStartTime() to allow grabAtFrameRate() after operations such as seeking (pull #1846)
• Add FrameGrabber.videoSideData/audioSideData properties and FFmpegFrameGrabber.getDisplayRotation() for convenience (issue #1361)
• Add to FFmpegFrameGrabber and FFmpegFrameRecorder constructors taking a URL for convenience and clarity
• Fix incorrect call to opencv_calib3d.stereoRectify() in ProjectiveDevice (issue #1802)
• Retry after 10 ms when av_read_frame() returns EAGAIN in FFmpegFrameGrabber.grabFrame() (issue #1784)
• Append frame_rate=%d/%d input parameter in FFmpegFrameFilter as required by xfade (issue #1776)
• Update FFmpegStreamingTimeout sample to use timeout instead of stimeout for RTSP (pull #1758)
• Restore static calls to FFmpegFrameGrabber.tryLoad() and FFmpegFrameRecorder.tryLoad() (issue #1756)
• Enable by default on RealSense2FrameGrabber.start() all color, depth, and IR streams as videoStream (pull #1750)
• Upgrade dependencies for OpenBLAS 0.3.21, OpenCV 4.6.0, FFmpeg 5.1.2, Leptonica 1.82.0 (pull #1791), Tesseract 5.2.0

JavaCV 1.5.7

February 11, 2022 version 1.5.7

• Fix accuracy and latency issues with FFmpegFrameGrabber.setVideoFrameNumber() (pull #1734)
• Add new Frame.pictType field set to I, P, B, etc by FFmpegFrameGrabber (pull #1730)
• Set metadata for AVFrame.opaque in FFmpegFrameGrabber with call to av_frame_copy_props() (issue #1729)
• Add charset property to FrameGrabber and FrameRecorder to use for metadata from FFmpeg (pull #1720)
• Call Frame.close() on temporary clones in Java2DFrameUtils to prevent premature deallocations (issue #1716)
• Ignore errors from avcodec_send_packet() and avcodec_receive_frame() to emulate old API in FFmpegFrameGrabber (issue #1679)
• Upgrade dependencies for OpenBLAS 0.3.19, OpenCV 4.5.5, FFmpeg 5.0, librealsense2 2.50.0, Leptonica 1.82.0, Tesseract 5.0.1

JavaCV 1.5.6

August 2, 2021 version 1.5.6

• Enhance audio and video synchronization of JavaFxPlayVideoAndAudio sample (pull #1662)
• Add FrameGrabber.grabAtFrameRate() to simulate a device or stream when reading from files (pull #1659)
• Update FFmpegFrameGrabber and FFmpegFrameRecorder with new avcodec API (issue #1498)
• Add new Similarity sample with PSNR and MSSIM (pull #1622)
• Avoid crash in FFmpegFrameRecorder.stop() by moving av_write_trailer() out of flush() (issue #1616)
• Upgrade dependencies for OpenBLAS 0.3.17, OpenCV 4.5.3, FFmpeg 4.4, librealsense2 2.44.0, Leptonica 1.81.1

JavaCV 1.5.5

March 8, 2021 version 1.5.5

• Have Frame and FrameConverter implement AutoCloseable to release memory explicitly (issue #1574)
• Add new YOLONet sample for object detection (pull #1595)
• Fix crash on FFmpegFrameGrabber.stop() when in ImageMode.RAW (issue #1568)
• Let FFmpegFrameRecorder.flush() ignore errors from the encoder (issue #1563)
• Improve FFmpegFrameGrabber.setTimestamp() and fix getAudioFrameRate() (pull #1559)
• Fix frame rate and aspect ratio on FFmpegFrameRecorder.start(AVFormatContext) (pull #1535)
• Upgrade dependencies for OpenBLAS 0.3.13, OpenCV 4.5.1, FFmpeg 4.3.2, librealsense2 2.40.0
• Update unit tests to use codecs available in FFmpeg under LGPL v3 (pull bytedeco/javacpp-presets#950)
• Add RealSense2FrameGrabber.tryLoad() method and missing entries for librealsense2 (issue bytedeco/procamcalib#25)

JavaCV 1.5.4

September 9, 2020 version 1.5.4

• Fix error message thrown from FFmpegFrameRecorder.start() not containing filename (pull #1492)
• Fix FFmpegFrameFilter.pull() not returning audio/video frames without audio/video filtergraph (issue #1466)
• Update OpenCVFrameConverter.convertToOrgOpenCvCoreMat() with new API to set the stride (issue #1460)
• Fix memory leaks and reduce memory fragmentation in FFmpegFrameGrabber and FFmpegFrameRecorder (issue #1366)
• Use PointerScope in FFmpegFrameFilter, FFmpegFrameGrabber, and FFmpegFrameRecorder to deallocate quickly temporary buffers (issue #1383)
• Fix FFmpegFrameFilter by calling String.format() with Locale.ROOT (pull #1441)
• Increase thread safety of FFmpegFrameFilter, FFmpegFrameGrabber, and FFmpegFrameRecorder with synchronized methods (issue #1434)
• Upgrade dependencies for OpenBLAS 0.3.10, OpenCV 4.4.0, FFmpeg 4.3.1, and Leptonica 1.80.0

JavaCV 1.5.3

April 14, 2020 version 1.5.3

• Add FFmpegFrameGrabber.start(boolean findStreamInfo) parameter to minimize startup time (issue #1376)
• Let FFmpegFrameGrabber.grab() return non-audio/video streams as new Frame.DATA type (pull #1378)
• Fix crash in FFmpegFrameRecorder.flush() for HLS format and possibly others (pull #1374)
• Fix "Resetting to invalid mark" IOException thrown on FFmpegFrameGrabber.release() (issue #911)
• Upgrade dependencies for OpenBLAS 0.3.9, OpenCV 4.3.0, FFmpeg 4.2.2, Leptonica 1.79.0, and Tesseract 4.1.1
• Add Seekable and SeekableByteArrayOutputStream to be used with FFmpegFrameRecorder (pull #1350)
• Update RealSense2FrameGrabber with support for sensor options and fix for multiple devices (pull #1348)

JavaCV 1.5.2

November 5, 2019 version 1.5.2

• Increase thread safety of FFmpegFrameFilter, FFmpegFrameGrabber, and FFmpegFrameRecorder with volatile boolean started flag (pull #1325)
• Let FFmpegFrameFilter.push(null) indicate EOF to audio filters as well (issue #1315)
• Add RealSense2FrameGrabber to capture images with librealsense2 (pull #1316)
• Disable seek function in FFmpegFrameGrabber when maximumSize <= 0 (issue #1304)
• Use Pointer.retainReference() to prevent PointerScope from deallocating globally shared callback objects for FFmpeg
• Fix FFmpegFrameRecorder failing to encode float samples in MP3 (issue #1294)
• Fix OpenCVFrameConverter error in IPCameraFrameGrabber (pull #1278)
• Allow setting properties for OpenCVFrameGrabber and OpenCVFrameRecorder with setOption() (issue #1269)
• Add missing requires java.desktop to module-info.java (issue #1265)
• Upgrade dependencies for OpenBLAS 0.3.7, OpenCV 4.1.2, FFmpeg 4.2.1, librealsense 1.12.4, and librealsense2 2.29.0

JavaCV 1.5.1

July 9, 2019 version 1.5.1

• Work around swscale bug in FFmpegFrameGrabber for images with unaligned width (issue #845)
• Add support for AVSEEK_SIZE to FFmpegFrameGrabber as required by MPEG-TS (issue #1234)
• Throw exception on start() for already started FFmpegFrameFilter, FFmpegFrameGrabber, or FFmpegFrameRecorder (issue #1233)
• Add dependency on OpenBLAS/MKL, now used by OpenCV to accelerate some matrix operations
• Upgrade dependencies for OpenCV 4.1.0, libdc1394 2.2.6, and Tesseract 4.1.0
• Add support for Frame.timestamp to FFmpegFrameFilter (issue #1177)