javacv

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javacv - JavaCV 1.5.10 Latest Release

Published by saudet 9 months ago

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 - JavaCV 1.5.9

Published by saudet over 1 year ago

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 - JavaCV 1.5.8

Published by saudet almost 2 years ago

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 - JavaCV 1.5.7

Published by saudet over 2 years ago

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 - JavaCV 1.5.6

Published by saudet about 3 years ago

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 - JavaCV 1.5.5

Published by saudet over 3 years ago

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 - JavaCV 1.5.4

Published by saudet about 4 years ago

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 - JavaCV 1.5.3

Published by saudet over 4 years ago

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 - JavaCV 1.5.2

Published by saudet almost 5 years ago

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 - JavaCV 1.5.1

Published by saudet over 5 years ago

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)

javacv - JavaCV 1.5

Published by saudet over 5 years ago

April 11, 2019 version 1.5

Override methods in FFmpegFrameGrabber to get all metadata from streams (issue #1180)
Fix sample rate in output of FFmpegFrameRecorder by setting deprecated AVStream.codec.time_base (issue #1179)
Add asetpts=N to input of FFmpegFrameFilter to make filters like afade behave as expected (issue #1171)
Use AVFormat.format() from Frame.opaque when available in FFmpegFrameFilter and FFmpegFrameRecorder (issue #1173)
Enable multithreading for all codecs by default in FFmpegFrameGrabber and FFmpegFrameRecorder (issue #1163)
Improve thread safety of FFmpegFrameRecorder and Java2DFrameConverter by relying less on Buffer.position (pull #1166)
Use ModiTect to compile module-info.java with JDK 8 and preserve backward compatibility
Add FFmpegFrameRecorder.closeOutputStream and FFmpegFrameGrabber.closeInputStream properties to leave streams opened (issue #1149)
Add FFmpegFrameRecorder.flush() method that does not release the stream (issue #1149)
Readd synchronized blocks for FFmpegFrameGrabber and FFmpegFrameRecorder, but make unsafe methods public (issue #1139)
Allocate native memory for Frame using Pointer to allow deallocation with PointerScope (issue #1152)
Add module-info.java and depend on modularized JavaCPP Presets to comply with JPMS
Upgrade dependencies for FFmpeg 4.1.3, libfreenect 0.5.7, and Leptonica 1.78.0
Allow allocation of Frame images with custom strides
Take into account Bitmap.getRowBytes() in AndroidFrameConverter.convert(Bitmap) (issue #1143)
Add static { Loader.load(); } in LeptonicaFrameConverter and OpenCVFrameConverter to prevent link errors (issue #1128)