http://www.shuiyuba.com/Good Luck To You!http://www.shuiyuba.com/?id=5<p><span style="font-size: 18px;">文件关键点：/system/framework/framework-res.apk&nbsp; &nbsp;&nbsp;/system/etc/security/</span><span style="font-size: medium; white-space-collapse: preserve;">mac_permissions.xml</span></p><p><br/></p><p><span style="font-size: medium; white-space: pre-wrap;">mac_permissions.xml中数据很关键，<span style="font-size: medium; white-space: pre-wrap;">signature数据是base16编码的crt证书数据</span></span></p><p><span style="font-size: medium; white-space: pre-wrap;"><span style="font-size: medium; white-space: pre-wrap;"><br/></span></span></p><p><span style="font-size:16px"><span style="white-space-collapse: preserve;">自己的签名转换成证书数据：</span></span></p><p><span style="font-size:16px"><span style="white-space-collapse: preserve;">办法1：提取签名后的apk中的CERT.RSA，命令转换成crt证书：</span></span></p><pre class="prism-highlight prism-language-bash">openssl&nbsp;pkcs7&nbsp;-inform&nbsp;DER&nbsp;-in&nbsp;CERT.RSA&nbsp;-print_certs&nbsp;|&nbsp;openssl&nbsp;x509&nbsp;-outform&nbsp;DER&nbsp;-out&nbsp;out.crt</pre><p><span style="font-size: 16px; white-space: pre-wrap;">办法2：使用pem证书转换成crt证书：</span></p><pre class="prism-highlight prism-language-bash">openssl&nbsp;x509&nbsp;-outform&nbsp;der&nbsp;-in&nbsp;platform.x509.pem&nbsp;-out&nbsp;out.crt</pre><p><span style="font-size: 16px; white-space: pre-wrap;"></span><br/></p><p><span style="font-size: 16px; white-space-collapse: preserve;">不管哪个办法，只要证书出来了，然后转换成base16数据即可！</span></p><p><br/></p><p><span style="font-size: 18px;"></span></p>Wed, 31 Jul 2024 20:48:15 +0800http://www.shuiyuba.com/?id=4<p><span style="font-size: 20px; color: #C0504D;">视频拼接+转场效果&nbsp;</span><span style="font-size: 20px;">:&nbsp;</span><a href="https://3306.run/2023/11/26/0dd43dd08c1111ee9a1a5f5f866eb338.html" target="_blank" title="ffmpeg的视频过渡效果" style="font-size: 20px; text-decoration: underline;"><span style="font-size: 20px;">ffmpeg的视频过渡效果</span></a></p><p><font color="#c0504d"><span style="font-size: 20px;">Xfade特效集合 :&nbsp;<a href="https://trac.ffmpeg.org/wiki/Xfade" target="_blank" title="Xfade">Xfade</a></span></font></p><p><font color="#c0504d"><span style="font-size: 20px;"></span></font></p>Sat, 20 Apr 2024 02:01:06 +0800http://www.shuiyuba.com/?id=3<p><span style="font-size: 20px;">以JSON格式输出视频信息</span></p><pre class="prism-highlight prism-language-bash">ffprobe&nbsp;-v&nbsp;error&nbsp;-show_entries&nbsp;format&nbsp;-of&nbsp;json&nbsp;-i&nbsp;input.mp4</pre><p><span style="font-size: 20px;">结果：</span></p><pre class="prism-highlight prism-language-bash">{ &nbsp;&nbsp;&nbsp;&nbsp;&quot;format&quot;:&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;filename&quot;:&nbsp;&quot;.\\fragment_0.mp4&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;nb_streams&quot;:&nbsp;1, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;nb_programs&quot;:&nbsp;0, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;format_name&quot;:&nbsp;&quot;mov,mp4,m4a,3gp,3g2,mj2&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;format_long_name&quot;:&nbsp;&quot;QuickTime&nbsp;/&nbsp;MOV&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;start_time&quot;:&nbsp;&quot;0.000000&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;duration&quot;:&nbsp;&quot;5.000000&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;size&quot;:&nbsp;&quot;1231302&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;bit_rate&quot;:&nbsp;&quot;1970083&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;probe_score&quot;:&nbsp;100, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;tags&quot;:&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;major_brand&quot;:&nbsp;&quot;isom&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;minor_version&quot;:&nbsp;&quot;512&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;compatible_brands&quot;:&nbsp;&quot;isomiso2avc1mp41&quot;, &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;encoder&quot;:&nbsp;&quot;Lavf60.23.100&quot; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;} }</pre><p><span style="font-size: 20px;"></span><br/></p>Sat, 20 Apr 2024 01:54:03 +0800