FFmpeg

FFmpeg官方文档 https://ffmpeg.org/ffmpeg-all.html https://ffmpeg.org/ffmpeg.html 视频信息 ffmpeg -i input.mp4 Metadata: major_brand : mp42 minor_version : 0 compatible_brands: mp42mp41 creation_time : 2022-01-12T11:23:45.000000Z Duration: 00:00:59.52, start: 0.000000, bitrate: 12123 kb/s Stream #0:0[0x1](eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1080x1920 [SAR 1:1 DAR 9:16], 11802 kb/s, 25 fps, 25 tbr, 25k tbn (default) Metadata: creation_time : 2022-01-12T11:23:45.000000Z handler_name : ?Mainconcept Video Media Handler vendor_id : [0][0][0][0] encoder : AVC Coding Stream #0:1[0x2](eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 317 kb/s (default) Metadata: creation_time : 2022-01-12T11:23:54....

September 1, 2022 · 3 min · quicksandzn

Elasticsearch

Elasticsearch

July 11, 2022 · 1 min · quicksandzn

Scrapy

Scrapy

July 11, 2022 · 1 min · quicksandzn

网络是怎样连接的

How is the network connected

July 11, 2022 · 1 min · quicksandzn

spring-cloud-starter-alibaba-nacos-config源码分析

初始化将参数配置追加到Environment spring.factories org.springframework.cloud.bootstrap.BootstrapConfiguration=\ com.alibaba.cloud.nacos.NacosConfigBootstrapConfiguration public class NacosConfigBootstrapConfiguration { // 初始化Nacos配置信息 @Bean @ConditionalOnMissingBean public NacosConfigProperties nacosConfigProperties() { return new NacosConfigProperties(); } // 初始化NacosConfigService @Bean @ConditionalOnMissingBean public NacosConfigManager nacosConfigManager( NacosConfigProperties nacosConfigProperties) { return new NacosConfigManager(nacosConfigProperties); } // 从Nacos加载远程配置文件 @Bean public NacosPropertySourceLocator nacosPropertySourceLocator( NacosConfigManager nacosConfigManager) { return new NacosPropertySourceLocator(nacosConfigManager); } } public class NacosPropertySourceLocator implements PropertySourceLocator { @Override public PropertySource<?> locate(Environment env) { nacosConfigProperties.setEnvironment(env); ConfigService configService = nacosConfigManager.getConfigService(); if (null == configService) { log....

June 15, 2022 · 6 min · quicksandzn