最終更新:2019-06-12 (水) 03:01:58 (1742d)
cv::VideoWriter/メモ
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OpenCV 4.1
拡張子 FOURCC バックエンド コンテナ avi MJPG OK FFmpeg AVI 1.0/MJPEG avi DIB NG Could not open the output video file for write avi X264 NG - - Failed to load OpenH264 library: openh264-1.8.0-win64.dll
Please check environment and/or download library: https://github.com/cisco/openh264/releases
Could not open the output video file for writeavi H264 NG - - Failed to load OpenH264 library: openh264-1.8.0-win64.dll
Please check environment and/or download library: https://github.com/cisco/openh264/releases
Could not open the output video file for writeavi MP42 OK FFmpeg AVI 1.0/MPEG4-V2? mp4 MP42 OK MSMF MPEG4?/H.264 OpenCV: FFMPEG: tag 0x3234504d/'MP42' is not supported with codec id 15 and format 'mp4 / MP4 (MPEG-4 Part 14) mp4 X264 OK MSMF MPEG4?/H.264 OpenCV: FFMPEG: tag 0x34363258/'X264' is not supported with codec id 27 and format 'mp4 / MP4 (MPEG-4 Part 14)
OpenCV: FFMPEG: fallback to use tag 0x31637661/'avc1'
Failed to load OpenH264 library: openh264-1.8.0-win64.dll
Please check environment and/or download library: https://github.com/cisco/openh264/releasesmp4 H264 OK MSMF MPEG4?/H.264 OpenCV: FFMPEG: tag 0x34363258/'X264' is not supported with codec id 27 and format 'mp4 / MP4 (MPEG-4 Part 14)
OpenCV: FFMPEG: fallback to use tag 0x31637661/'avc1'
Failed to load OpenH264 library: openh264-1.8.0-win64.dll
Please check environment and/or download library: https://github.com/cisco/openh264/releases