opencv

Commit Graph

Author	SHA1	Message	Date
Maksim Shabunin	7127161426	videoio: decreased log level for failed backends in VideoCapture and VideoWriter open	9 months ago
Kumataro	1c9efbd4be	Merge pull request #25523 from Kumataro:fix25522 videoio: obsensor: remove OB_EXT_CMD10 to suppress warning #25523 Close #25522 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake	9 months ago
Vincent Rabaud	c317a3ee89	Merge pull request #25419 from vrabaud:ffmpeg Fix race condition in InternalFFMpegRegister initialization. #25419 initLogger_ does not check if the logger has been initizalized before and it might initialize it several times from different threads, racing with other threads that are logging. ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work	10 months ago
catree	d81cd13bb3	Use cvtColor() for Bayer image color demosaicing and for V4L2_PIX_FMT_SRGGB8, V4L2_PIX_FMT_SBGGR8, V4L2_PIX_FMT_SGBRG8, V4L2_PIX_FMT_SGRBG8 options. Update modules/videoio/test/test_v4l2.cpp test file.	10 months ago
utibenkei	fdc7cb6dc1	fix build of dynamic framework for visionos	10 months ago
zzuliys	2b9d1a2ff8	Merge pull request #24877 from zzuliys:feature/mac Orbbec Camera supports MacOS，Gemini2 and Gemini2L support Y16 format #24877 note: 1.Gemini2 and Gemini2L must use the latest firmware -- https://github.com/orbbec/OrbbecFirmware; 2.Administrator privileges are necessary to run on MacOS.	11 months ago
Carlos Azevedo	8d5dd2e5c2	Added support for V4L2_PIX_FMT_SGRBG8 pixel format to V4L2 backend	11 months ago
Misha Klatis	50b36ef823	ios build fixes	11 months ago
Alexander Smorkalov	daa8f7dfc6	Partially back-port #25075 to 4.x	11 months ago
Ryo H	e4ef88c623	Fixed typo.	12 months ago
Sean McBride	e64857c561	Merge pull request #23736 from seanm:c++11-simplifications Removed all pre-C++11 code, workarounds, and branches #23736 This removes a bunch of pre-C++11 workrarounds that are no longer necessary as C++11 is now required. It is a nice clean up and simplification. * No longer unconditionally #include <array> in cvdef.h, include explicitly where needed * Removed deprecated CV_NODISCARD, already unused in the codebase * Removed some pre-C++11 workarounds, and simplified some backwards compat defines * Removed CV_CXX_STD_ARRAY * Removed CV_CXX_MOVE_SEMANTICS and CV_CXX_MOVE * Removed all tests of CV_CXX11, now assume it's always true. This allowed removing a lot of dead code. * Updated some documentation consequently. * Removed all tests of CV_CXX11, now assume it's always true * Fixed links. --------- Co-authored-by: Maksim Shabunin <maksim.shabunin@gmail.com> Co-authored-by: Alexander Smorkalov <alexander.smorkalov@xperience.ai>	1 year ago
Ingrid Wang	1a3ef9ccd4	Replace deprecated symbols AVVideoCodecH264 and AVVideoCodecJPEG	1 year ago
cudawarped	81865b3d52	videoio: fix incorrect timestamps returned by VideoCapture when using raw video parsing mode	1 year ago
Ahmed Essam	a25cfb463d	Better error message for missing gstreamer plugin	1 year ago
Yuriy Chernyshov	21b6f06f9d	Use normal slash in #include	1 year ago
Alexander Smorkalov	e5b5984f3c	Reworked camera stream check to exclude non-video formats.	1 year ago
JUBIN CHHEDA	049cd86ddd	Replace deprecated symbol with AVVideoCodecTypeH264	1 year ago
Giles Payne	3d9cb5329c	Merge pull request #24136 from komakai:visionos_support Add experimental support for Apple VisionOS platform #24136 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch This is dependent on cmake support for VisionOs which is currently in progress. Creating PR now to test that there are no regressions in iOS and macOS builds	1 year ago
zzuliys	dfc61fbfaa	Merge pull request #24666 from zzuliys:4.x Add support for Orbbec Gemini2 and Gemini2 XL camera #24666 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch	1 year ago
Alexander Smorkalov	e5468a88e6	Added experimental NativeCameraView class for Android 24+.	1 year ago
Alexander Smorkalov	ad079ea5da	Added warning, if FFmpeg pipeline was interrupted by timeout.	1 year ago
JUBIN CHHEDA	48e6be822c	The AVVideoCodecJPEG symbol was deprecated in iOS 11.0. We may want to use AVVideoCodecTypeJPEG instead	1 year ago
Alexander Smorkalov	1db23e0f12	Report correct open status from Bitstream.	1 year ago
Alexander Smorkalov	23481b716b	Print warning, but not throw exceptions in cv::VideoCapture for OpenNI2.	1 year ago
Csaba Kertész	b1e0c4d119	Merge pull request #24243 from kecsap:4.x Fix gstreamer backend with manual pipelines #24243 - Fix broken seeking in audio/video playback - Fix broken audio playback - Fix unreliable seeking - Estimate frame count if it is not available directly - Return -1 for frame count and fps if it is not available. - Return 0 for fps if the video has variable frame rate - Enable and fix tests ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [X] I agree to contribute to the project under Apache 2 License. - [X] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [X] The PR is proposed to the proper branch - [-] There is a reference to the original bug report and related work => Reproducible test provided - [-] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [X] The feature is well documented and sample code can be built with the project CMake 1. Download two test videos: ```bash wget https://github.com/ietf-wg-cellar/matroska-test-files/raw/master/test_files/test1.mkv wget https://test-videos.co.uk/vids/jellyfish/mkv/360/Jellyfish_360_10s_5MB.mkv ``` 2. I modified a OpenCV videoio sample to demonstrate the problem, here it is the patch: http://dpaste.com//C9MAT2K6W 3. Build the sample, on Ubuntu: ```bash g++ -g videocapture_audio_combination.cpp -I/usr/include/opencv4 `pkg-config --libs --cflags opencv4` -o videocapture_audio_combination ``` 4. Play an audio stream with seeking BEFORE the fix: ```bash $ ./videocapture_audio_combination --audio "filesrc location=test1.mkv ! queue ! matroskademux name=demux demux.audio_0 ! decodebin ! audioconvert ! appsink"[ERROR:0@0.009] global cap.cpp:164 open VIDEOIO(GSTREAMER): raised OpenCV exception: OpenCV(4.8.0-dev) ./modules/videoio/src/cap_gstreamer.cpp:153: error: (-215:Assertion failed) ptr in function 'get' [ WARN:0@0.009] global cap.cpp:204 open VIDEOIO(GSTREAMER): backend is generally available but can't be used to capture by name ERROR! Can't to open file: filesrc location=test1.mkv ! queue ! matroskademux name=demux demux.audio_0 ! decodebin ! audioconvert ! appsink ``` 5. Play a video stream with seeking BEFORE the fix: ```bash $ ./videocapture_audio_combination --audio "filesrc location=Jellyfish_360_10s_5MB.mkv ! queue ! matroskademux name=demux demux.video_0 ! decodebin ! videoconvert ! video/x-raw, format=BGR ! appsink drop=1" [ WARN:0@0.034] global cap_gstreamer.cpp:1728 open OpenCV \| GStreamer warning: Cannot query video position: status=1, value=22, duration=300 CAP_PROP_AUDIO_DATA_DEPTH: CV_16S CAP_PROP_AUDIO_SAMPLES_PER_SECOND: 44100 CAP_PROP_AUDIO_TOTAL_CHANNELS: 0 CAP_PROP_AUDIO_TOTAL_STREAMS: [ WARN:0@0.034] global cap_gstreamer.cpp:1898 getProperty OpenCV \| GStreamer: CAP_PROP_AUDIO_TOTAL_STREAMS property is not supported 0 [ WARN:0@0.034] global cap_gstreamer.cpp:1817 getProperty OpenCV \| GStreamer: CAP_PROP_POS_MSEC property result may be unrealiable: https://github.com/opencv/opencv/issues/19025 Timestamp: 0.6218 Timestamp: 33.1085 Timestamp: 67.1274 Timestamp: 100.1182 Timestamp: 133.1204 Timestamp: 167.1195 Timestamp: 200.1161 Timestamp: 233.1147 Timestamp: 267.1194 Timestamp: 300.1202 [ WARN:0@0.338] global cap_gstreamer.cpp:1949 setProperty OpenCV \| GStreamer warning: GStreamer: unable to seek 0:00:00.338215907 3892572 0x5592899c7580 WARN basesrc gstbasesrc.c:3127:gst_base_src_loop:<filesrc0> error: Internal data stream error. 0:00:00.338235884 3892572 0x5592899c7580 WARN basesrc gstbasesrc.c:3127:gst_base_src_loop:<filesrc0> error: streaming stopped, reason not-linked (-1) 0:00:00.338264287 3892572 0x5592899c7580 WARN queue gstqueue.c:992:gst_queue_handle_sink_event:<queue0> error: Internal data stream error. 0:00:00.338270329 3892572 0x5592899c7580 WARN queue gstqueue.c:992:gst_queue_handle_sink_event:<queue0> error: streaming stopped, reason not-linked (-1) [ WARN:0@0.339] global cap_gstreamer.cpp:2784 handleMessage OpenCV \| GStreamer warning: Embedded video playback halted; module filesrc0 reported: Internal data stream error. [ WARN:0@0.339] global cap_gstreamer.cpp:1199 startPipeline OpenCV \| GStreamer warning: unable to start pipeline Number of audio samples: 0 Number of video frames: 10 [ WARN:0@0.339] global cap_gstreamer.cpp:1164 isPipelinePlaying OpenCV \| GStreamer warning: GStreamer: pipeline have not been created ``` 6. Play an audio stream with seeking AFTER the fix: ```bash $ ./videocapture_audio_combination --audio "filesrc location=test1.mkv ! queue ! matroskademux name=demux demux.audio_0 ! decodebin ! audioconvert ! appsink"CAP_PROP_AUDIO_DATA_DEPTH: CV_16S CAP_PROP_AUDIO_SAMPLES_PER_SECOND: 48000 CAP_PROP_AUDIO_TOTAL_CHANNELS: 2 CAP_PROP_AUDIO_TOTAL_STREAMS: [ WARN:0@0.025] global cap_gstreamer.cpp:1903 getProperty OpenCV \| GStreamer: CAP_PROP_AUDIO_TOTAL_STREAMS property is not supported 0 Timestamp: 0.0000 Timestamp: 24.0000 Timestamp: 48.0000 Timestamp: 72.0000 Timestamp: 96.0000 Timestamp: 120.0000 Timestamp: 144.0000 Timestamp: 168.0000 Timestamp: 192.0000 Timestamp: 216.0000 Timestamp: 3500.0000 Timestamp: 3504.0000 Timestamp: 3528.0000 Timestamp: 3552.0000 Timestamp: 3576.0000 Timestamp: 3600.0000 Timestamp: 3624.0000 Timestamp: 3648.0000 Timestamp: 3672.0000 Timestamp: 3696.0000 Timestamp: 3720.0000 Timestamp: 3744.0000 Timestamp: 3768.0000 Timestamp: 3792.0000 Timestamp: 3816.0000 Timestamp: 3840.0000 Timestamp: 3864.0000 Timestamp: 3888.0000 Timestamp: 3912.0000 Timestamp: 3936.0000 ``` 7. Play a video stream with seeking AFTER the fix: ```bash $ ./videocapture_audio_combination --audio "filesrc location=Jellyfish_360_10s_5MB.mkv ! queue ! matroskademux name=demux demux.video_0 ! decodebin ! videoconvert ! video/x-raw, format=BGR ! appsink drop=1" [ WARN:0@0.033] global cap_gstreamer.cpp:1746 open OpenCV \| GStreamer warning: Cannot query video position: status=1, value=22, duration=300 CAP_PROP_AUDIO_DATA_DEPTH: CV_16S CAP_PROP_AUDIO_SAMPLES_PER_SECOND: 44100 CAP_PROP_AUDIO_TOTAL_CHANNELS: 0 CAP_PROP_AUDIO_TOTAL_STREAMS: [ WARN:0@0.034] global cap_gstreamer.cpp:1903 getProperty OpenCV \| GStreamer: CAP_PROP_AUDIO_TOTAL_STREAMS property is not supported 0 Timestamp: 0.0000 Timestamp: 33.0000 Timestamp: 67.0000 Timestamp: 100.0000 Timestamp: 133.0000 Timestamp: 167.0000 Timestamp: 200.0000 Timestamp: 233.0000 Timestamp: 267.0000 Timestamp: 300.0000 0:00:00.335931693 3893501 0x55bbe76ad920 WARN matroskareadcommon matroska-read-common.c:759:gst_matroska_read_common_parse_skip:<demux:sink> Unknown CueTrackPositions subelement 0xf0 - ignoring 0:00:00.335952823 3893501 0x55bbe76ad920 WARN matroskareadcommon matroska-read-common.c:759:gst_matroska_read_common_parse_skip:<demux:sink> Unknown CueTrackPositions subelement 0xf0 - ignoring 0:00:00.335988029 3893501 0x55bbe76ad920 WARN basesrc gstbasesrc.c:1742:gst_base_src_perform_seek:<filesrc0> duplicate event found 184 Timestamp: 3467.0000 Timestamp: 3500.0000 Timestamp: 3533.0000 Timestamp: 3567.0000 Timestamp: 3600.0000 Timestamp: 3633.0000 Timestamp: 3667.0000 Timestamp: 3700.0000 Timestamp: 3733.0000 Timestamp: 3767.0000 Timestamp: 3800.0000 Timestamp: 3833.0000 Timestamp: 3867.0000 Timestamp: 3900.0000 Timestamp: 3933.0000 Timestamp: 3967.0000 Timestamp: 4000.0000 Timestamp: 4033.0000 Timestamp: 4067.0000 Timestamp: 4100.0000 ```	1 year ago
Alexander Smorkalov	6a65678592	Use video stream fps first in FFmpeg backend for VideoCapture.	1 year ago
cudawarped	38bc519e4a	Merge pull request #24363 from cudawarped:videoio_ffmpeg_add_stream_encapsulation videoio: Add raw encoded video stream muxing to cv::VideoWriter with CAP_FFMPEG #24363 Allow raw encoded video streams (e.g. h264[5]) to be encapsulated by `cv::VideoWriter` to video containers (e.g. mp4/mkv). Operates in a similar way to https://github.com/opencv/opencv/pull/15290 where encapsulation is enabled by setting the `VideoWriterProperties::VIDEOWRITER_PROP_RAW_VIDEO` flag when constructing `cv::VideoWriter` e.g. ``` VideoWriter container(fileNameOut, api, fourcc, fps, { width, height }, { VideoWriterProperties::VIDEOWRITER_PROP_RAW_VIDEO, 1 }); ``` and each raw encoded frame is passed as single row of a `CV_8U` `cv::Mat`. The main reason for this PR is to allow `cudacodec::VideoWriter` to output its encoded streams to a suitable container, see https://github.com/opencv/opencv_contrib/pull/3569. ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake	1 year ago
jason_w	e8f94182f5	Merge pull request #24180 from MambaWong:4.x Fixed the channels when capturing yuv422 with v4l2 backend #24180 example to reproduce the problem ```cpp #include <iostream> #include <opencv2/core.hpp> #include <opencv2/highgui.hpp> #include <opencv2/imgproc.hpp> #include <opencv2/videoio.hpp> using namespace cv; using namespace std; void help_func(VideoCapture& cap) { int height = cap.get(cv::CAP_PROP_FRAME_HEIGHT); int width = cap.get(cv::CAP_PROP_FRAME_WIDTH); int pixel_type = cap.get(cv::CAP_PROP_FORMAT); int channels = CV_MAT_CN(pixel_type); int pixel_bytes = CV_ELEM_SIZE(pixel_type); bool to_bgr = static_cast<bool>(cap.get(cv::CAP_PROP_CONVERT_RGB)); std::cout << "backend: " << cap.getBackendName() << std::endl; std::cout << std::hex << "fourcc: " << static_cast<int>(cap.get(cv::CAP_PROP_FOURCC)) << std::endl; std::cout << std::boolalpha << "to_bgr: " << to_bgr << std::endl; std::cout << std::dec << "height: " << height << " width: " << width << " channels: " << channels << " pixel_bytes: " << pixel_bytes << std::endl; std::cout << "-----------------------------------------" << std::endl; } int main(int, char**) { VideoCapture cap; cap.open("/dev/video0"); if (!cap.isOpened()) { cerr << "ERROR! Unable to open camera\n"; return -1; } { help_func(cap); } { cap.set(cv::CAP_PROP_FRAME_HEIGHT, 1080); cap.set(cv::CAP_PROP_FRAME_WIDTH, 1920); cap.set(cv::CAP_PROP_CONVERT_RGB, 0); help_func(cap); } // { // cap.set(cv::CAP_PROP_CONVERT_RGB, 0); // cap.set(cv::CAP_PROP_FRAME_HEIGHT, 1080); // cap.set(cv::CAP_PROP_FRAME_WIDTH, 1920); // help_func(cap); // } Mat frame; int frame_idx = 0; while (cap.read(frame)) { std::cout << "frame index: " << frame_idx++ << std::endl; help_func(cap); if (frame.empty()) { cerr << "ERROR! blank frame grabbed\n"; break; } Mat bgr; if (cap.get(cv::CAP_PROP_CONVERT_RGB)) { bgr = frame; } else { cv::cvtColor(frame, bgr, cv::COLOR_YUV2BGR_YUYV); } imshow("frame", bgr); if (waitKey(5) >= 0) { break; } } return 0; } ``` The above code will get the wrong channels. By changing lines 41-45 like below, can get the correct channels. <img width="747" alt="code" src="https://github.com/opencv/opencv/assets/16932438/55f44463-8465-4dba-a979-e71a50d58008"> This is because `cap.set(cv::CAP_PROP_FRAME_HEIGHT, 1080);` and `cap.set(cv::CAP_PROP_FRAME_WIDTH, 1920);` reinitialize the `frame`, but `cap.set(cv::CAP_PROP_CONVERT_RGB, 0);` not. Log info. <img width="691" alt="log" src="https://github.com/opencv/opencv/assets/16932438/236e3b26-f5b2-447a-b202-bcd607c71af6"> We can also observe that we get the correct channels in the while loop. This is because: `ca0bd70cde/modules/videoio/src/cap_v4l.cpp (L2309-L2310)` reinitialize the `frame`.	1 year ago
beanjoy	d0de575aef	Merge pull request #24142 from beanjoy:4.x Modify the outputVideoFormat after changing the output format in MSMF backend #24142 After changing the output format, need to modify the outputVideoFormat, otherwise the outputVideoFormat is always CV_CAP_MODE_BGR, and an error will occur when converting the format in retrieveVideoFrame(), and will always enter "case CV_CAP_MODE_BGR:" process. ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [ ] I agree to contribute to the project under Apache 2 License. - [ ] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [ ] The PR is proposed to the proper branch - [ ] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [x] The feature is well documented and sample code can be built with the project CMake Co-authored-by: 李龙 <lilong@sobey.com>	1 year ago
Alexander Lyulkov	f280e3cbd9	Fixed bug with the last 4 bytes in MJPEG encoder.	1 year ago
DeePingXian	a300e7e945	Adding support for Streamlabs Desktop Virtual Webcam Streamlabs Desktop has the same issue in https://github.com/opencv/opencv/issues/19746. This fixes it using https://github.com/opencv/opencv/pull/23460 method.	2 years ago
Maksim Shabunin	53dfd9536a	videoio: fix camera opening with GStreamer plugin	2 years ago
Alexander Lyulkov	4a12707103	Fixed bug when MSMF webcamera doesn't start when build with VIDEOIO_PLUGIN_ALL	2 years ago
cudawarped	e4ad7e3778	VideoCapture: remove decoder initialization when CAP_PROP_FORMAT== -1 (rawMode == true)	2 years ago
Maksim Shabunin	9fc83ac544	videoio: fix V4L compilation for older kernels	2 years ago
firebladed	7819ec784b	Merge pull request #18498 from firebladed:patch-1 Add V4L2_PIX_FMT_Y16_BE pixel format #18498 Address #18495 relates to #23944 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or other license that is incompatible with OpenCV - [ ] The PR is proposed to proper branch - [x] There is reference to original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake - [ ] Test using Melexis MLX90640	2 years ago
Maksim Shabunin	e43bc88fc3	videoio: test for V4L using virtual device	2 years ago
Maksim Shabunin	8931f08362	videoio: fix CAP_IMAGES with non-numbered file	2 years ago
Maksim Shabunin	1d9c0d3e12	videoio: tests for CAP_IMAGES	2 years ago
unknown	1eaa074a49	remove line	2 years ago
cudawarped	024c836462	cv::VideoCapture: change CAP_PROP_FOURCC to prefer codec_id over codec_tag	2 years ago
unknown	8762c37c22	solve issue 23808	2 years ago
Alexander Smorkalov	cbda161c39	Fixed FPS computation on some videos for FFmpeg backend.	2 years ago
cudawarped	99ef35a353	Videoio: FFMpeg remove locks if OPENCV_FFMPEG_IS_THREAD_SAFE==true	2 years ago
Maksim Shabunin	001a2c5195	Merge pull request #23606 from mshabunin:fix-ffmpeg-packet-limit videoio/FFmpeg: increased packet read attempt limit, allow configuring it resolves #9455 related #3225 * Use different counters for wrong packets recieved by demuxer and errors from decoder * Allow modifying these counters via environment variables `OPENCV_FFMPEG_READ_ATTEMPTS`/`OPENCV_FFMPEG_DECODE_ATTEMPTS` * Added logging when reading breaks at one of error limits Notes: * I've been able to reproduce original issue with a video file with 14 total streams (video + audio + subtitles), at some point in the video only packets from the last stream are being sent by the demuxer, thus exceeding our limit. For my specific video total number of packets from wrong stream was about 2700. I've chosen 4096 as default value. * Default limit of decoding attempts is quite low, because I'm not sure in which cases it can be exceeded (network stream?). I tried to read 8k video from the disk, but it did not cause break at decode point.	2 years ago
vovka643	d6dc91b4d4	Added depricated_backends list. Added new information masseges. It needs to inform user, when he tries to use depricated or not uses backend	2 years ago
kallaballa	a2be9e9fc1	Log a debug message if a capture backend is generally available but isn't capabable of a capture mode.	2 years ago
cudawarped	871f931e95	VideoCapture: apply bitstream filter to all h264/5 raw streams	2 years ago
gottagofaster236	d30830d0a6	Use NV12 instead of YUY2 for OBS Virtual Camera.	2 years ago
gottagofaster236	b4e3359448	Fix OBS Virtual Camera capture.	2 years ago

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