07 2023 档案

摘要:CMakeLists.txt cmake_minimum_required(VERSION 3.25) project(test) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD 14) set(FFMPEG_DIR /usr/local/ffmp 阅读全文
posted @ 2023-07-30 22:29 NAVYSUMMER 阅读(45) 评论(0) 推荐(0) 编辑
摘要:配置链接库路径 sudo vim /etc/ld.so.conf.d/ffmpeg.conf /usr/local/ffmpeg/lib/ 编写CMakeLists.txt cmake_minimum_required(VERSION 3.25) project(test) set(CMAKE_CX 阅读全文
posted @ 2023-07-30 14:10 NAVYSUMMER 阅读(147) 评论(0) 推荐(0) 编辑
摘要:```python # tensorflow里引入一个新的数据类型-张量(tensor),与numpy的ndarray类似,是一个多维数组。和numpy的区别在于:numpy的ndarray只支持CPU计算,而张量支持GPU,可以通过GPU加速,提高速度,同时张量还支持自动微分计算,更适合深度学习 阅读全文
posted @ 2023-07-29 18:46 NAVYSUMMER 阅读(14) 评论(0) 推荐(0) 编辑
摘要:class NoModifyMeta(type): def __setattr__(cls, key, value): raise AttributeError(f"Cannot modify class attribute '{key}'") class ConstDict(metaclass=N 阅读全文
posted @ 2023-07-27 23:56 NAVYSUMMER 阅读(79) 评论(0) 推荐(0) 编辑
摘要:ffmpeg -i 1.mp4 -i 2.mp4 -map 0:a -map 1:v? -c:v copy -shortest output.mp4 阅读全文
posted @ 2023-07-23 21:05 NAVYSUMMER 阅读(123) 评论(0) 推荐(0) 编辑
摘要:# -*- coding: utf-8 -*- import os import subprocess import threading import time import tkinter from tkinter import TOP, LEFT, RIGHT, messagebox, file 阅读全文
posted @ 2023-07-22 23:54 NAVYSUMMER 阅读(15) 评论(0) 推荐(0) 编辑
摘要:ffmpeg -i a.mp4 -i a.mp3 -c:v copy -c:a aac -strict experimental output.mp4 阅读全文
posted @ 2023-07-22 22:40 NAVYSUMMER 阅读(47) 评论(0) 推荐(0) 编辑
摘要:# 提取视频里的声音 ffmpeg -i 1.mp4 -vn output.mp3 # 提取视频里的画面,过滤掉声音 ffmpeg -i 1.mp4 -an output.mp4 # 同时分离视频流和音频流 ffmpeg -i 1.mp4 -vn -c:v copy audio.mp3 -an -c 阅读全文
posted @ 2023-07-22 22:31 NAVYSUMMER 阅读(232) 评论(0) 推荐(0) 编辑
摘要:import cv2 import subprocess input_video_path = "/home/navy/Desktop/1.mp4" opencv_video_path = "/home/navy/Desktop/2.mp4" new_video_path = "/home/navy 阅读全文
posted @ 2023-07-22 17:16 NAVYSUMMER 阅读(130) 评论(0) 推荐(0) 编辑
摘要:# -*- coding: utf-8 -*- import os import threading import time import tkinter from tkinter import TOP, LEFT, RIGHT, messagebox, filedialog, DISABLED, 阅读全文
posted @ 2023-07-22 16:10 NAVYSUMMER 阅读(13) 评论(0) 推荐(0) 编辑
摘要:# -*- coding: utf-8 -*- import os import time import cv2 import numpy from PIL import Image, ImageDraw, ImageFont ascii_char = list("$@B%8&WM#*oahkbdp 阅读全文
posted @ 2023-07-22 15:04 NAVYSUMMER 阅读(7) 评论(0) 推荐(0) 编辑
摘要:# -*- coding: utf-8 -*- import os import threading import tkinter from tkinter import LEFT, RIGHT, filedialog, messagebox, DISABLED, NORMAL, TOP impor 阅读全文
posted @ 2023-07-22 03:53 NAVYSUMMER 阅读(10) 评论(0) 推荐(0) 编辑

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