libdc1394

ffmpeg 学习笔记

由 扶醉桌前 提交于 2021-01-30 14:52:05
ffmpeg -threads 8 -i 997.mp4 -y -c:v libx264 -c:a copy -f hls -g 60 -hls_time 2 hls_list_size 0 -hls_segment_filename test/out-%08d.ts test/out.m3u8 ffmpeg -re -i 997.mp4 -c copy -f hls -bsf:v libx264 test/out-%08d.ts test/out.m3u8 "ffmpeg","-threads","4","-i","/tmp/video/workdir/rBL7YF9hn_CEOIUNAAAAAIn7Jxk745/marker/rBL7YF9hn_CEOIUNAAAAAIn7Jxk745.mp4","-c:v","libx264","-c:a","copy","-f","hls","-g","60","-hls_time","2","-hls_list_size","0","-hls_key_info_file","/tmp/video/workdir/rBL7YF9hn_CEOIUNAAAAAIn7Jxk745/marker/keys/encrypt.keyinfo","-hls_segment_filename","/tmp/video/workdir/rBL7YF9hn

ctypes error: libdc1394 error: Failed to initialize libdc1394

由 放肆的年华 提交于 2019-12-17 10:15:57
问题 I'm trying to compile my program to a shared library that I can use from within Python code using ctypes. The library compiles fine using this command: g++ -shared -Wl,-soname,mylib -O3 -o mylib.so -fPIC [files] `pkg-config --libs --cflags opencv` However, when I try and import it using ctypes from ctypes import * mylib = CDLL("/path/to/mylib.so") print mylib.test() // Expected output: Hello World I get the following error: libdc1394 error: Failed to initialize libdc1394 What's going on? 回答1:

Point Grey firefly MV, dc1394, and USB 3.0

由 亡梦爱人 提交于 2019-12-12 00:47:27
问题 I am trying to grab frames from a point grey firefly mv, and I have written an interface for my program using dc1394 driver. The driver works fine when I the firefly is connected to a USB 2.0 port, but when I connect to a USB 3.0 port, dc1394 throws the following error on the function call dc1394_capture_setup() libdc1394 error: usb: Failed to submit initial transfer 13 The error code is not listed in dc1394/log.h, and identical settings work in a USB 2.0 port. 回答1: Turns out that the problem

ctypes error: libdc1394 error: Failed to initialize libdc1394

由 北慕城南 提交于 2019-11-27 10:23:24
I'm trying to compile my program to a shared library that I can use from within Python code using ctypes. The library compiles fine using this command: g++ -shared -Wl,-soname,mylib -O3 -o mylib.so -fPIC [files] `pkg-config --libs --cflags opencv` However, when I try and import it using ctypes from ctypes import * mylib = CDLL("/path/to/mylib.so") print mylib.test() // Expected output: Hello World I get the following error: libdc1394 error: Failed to initialize libdc1394 What's going on? Very frustrating that nobody actually shows a concrete solution. I had this issue after installing OpenCV.
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