Could not open input "/storage/emulated/0/video.mp4". (Has setFormat() been called?)
#1,373 建立於 2020年1月22日
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描述
FFmpegFrameGrabber frameGrabber = FFmpegFrameGrabber.createDefault(file); frameGrabber.setFormat("mp4");
frameGrabber.start();
gives the below exception
org.bytedeco.javacv.FrameGrabber$Exception: avformat_open_input() error -1094995529: Could not open input "/storage/emulated/0/video.mp4". (Has setFormat() been called?)
build.gradle file implementation
implementation group: 'org.bytedeco', name: 'javacv', version: '1.4.3' implementation group: 'org.bytedeco.javacpp-presets', name: 'opencv', version: '3.4.3-1.4.3', classifier: 'android-arm' implementation group: 'org.bytedeco.javacpp-presets', name: 'opencv', version: '3.4.3-1.4.3', classifier: 'android-x86' implementation group: 'org.bytedeco.javacpp-presets', name: 'ffmpeg', version: '4.0.2-1.4.3', classifier: 'android-arm' implementation group: 'org.bytedeco.javacpp-presets', name: 'ffmpeg', version: '4.0.2-1.4.3', classifier: 'android-x86'
I checked and my app already has the storage permission.