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ruanjiayou · Nov 7, 2024 · a978296 · a978296
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diff --git a/docker/docker.md b/docker/docker.md
@@ -258,6 +258,7 @@ services:
 ### ubantu
 
 ## 问题
+- 删除所有<none>: `docker rmi $(docker images --filter "dangling=true" -q --no-trunc)`
 - Delta RPMs disabled because /usr/bin/applydeltarpm
   > 先看`docker -v` \
   > 如果没有该命令: `yum provides '*/applydeltarpm'`, `yum install deltarpm`

diff --git a/ffmpeg/ffmpeg.md b/ffmpeg/ffmpeg.md
@@ -68,6 +68,12 @@
   - 详细: `ffmpeg -i xxx.mp4`, `ffprobe xxxx.mp4`
   - 查看视频时长: `ffprobe -v quiet -show_format -print_format json -show_entries stream=index,codec_name,codec_tag_string,codec_type,profile,level,bit_rate,tags,nb_frames,avg_frame_rate,sample_rate,channels,width,height,duration xxx.mp4`
 - 转换格式: `ffmpeg -i 'xxx.mp4' -c:v libx264  -preset ultrafast -vf format=yuvj420p -c:a copy 2.mp4`
+- 视频编码器
+  - libx264: 用于H.264视频编码。
+  - libx265: 用于H.265/HEVC编码。
+  - libvpx: 用于VP8和VP9编码。
+  - mpeg4: 用于MPEG-4编码。
+  - libaom-av1: 用于AV1编码
 - 指定宽高输出: `ffmpeg -y -i Titanic.mkv -s 640*480 out.h264`
 - 截取素材
   - 截取gif,从25秒开始,截取10秒,帧率16: `ffmpeg -ss 25 -t 10 -r 16 -i path-to-vedio -f gif test.gif` 

diff --git a/ffmpeg/queue.js b/ffmpeg/queue.js
@@ -74,4 +74,30 @@ QTranscoding.add('video', { path: 'data/output.mp4', dist: 'data/test.mp4' }, {
   attempts: 0,
   removeOnComplete: true,
   removeOnFail: true,
+});
+// QTranscoding.getJobCounts().then(total => {
+//   console.log(total);
+// });
+
+const QDownload = new Queue('download', {
+  prefix: 'download',
+  redis: {
+    host: '10.0.15.240',
+    port: '6379'
+  }
+});
+
+QDownload.process('m3u8', 8, function (job, done) {
+
+});
+
+QDownload.process('ts', 8, function (job, done) {
+
+});
+
+QDownload.process('video', 8, function (job, done) {
+
+});
+QDownload.process('image', 8, function (job, done) {
+
 });
diff --git a/ffmpeg/trans.sh b/ffmpeg/trans.sh
@@ -61,3 +61,4 @@
 # 可变码率(0-51,越小质量越高,18-23 是高质量范围)
 -i input.mp4 -c:v libx264 -crf 23 output.mp4
 # 直播或流媒体中限制码率波动
+https://www.zhihu.com/people/linuxsao-di-seng
diff --git a/message-queue/rabbitmp.md b/message-queue/rabbitmp.md
@@ -1,7 +1,7 @@
 # 消息队列
 ## 用户登录
 - rabbitmqctl add_user admin 123456
-- rabbitmqctl set_user_tags administrator
+- rabbitmqctl set_user_tags admin administrator
 - rabbitmqctl set_permissions -p / admin ".*" ".*" ".*"
 ## 概念
 > ![基本结构](./基本结构.png)