一个旅游网站建设,wordpress数据库域名表,河南省住房和城乡建设厅电话,名者观看网站20230806将ASF格式的视频转换为MP4 2023/8/6 18:47 缘起#xff0c;自考中山大学的《计算机网络》#xff0c;考试《数据库系统原理》的时候找到视频#xff0c;由于个人的原因#xff0c;使用字幕更加有学习效率#xff01; 由于【重型】的PR2023占用资源较多#xff0c…20230806将ASF格式的视频转换为MP4 2023/8/6 18:47 缘起自考中山大学的《计算机网络》考试《数据库系统原理》的时候找到视频由于个人的原因使用字幕更加有学习效率 由于【重型】的PR2023占用资源较多速度较慢【占用硬件资源较大】。 剪映不识别ASF这个视频格式只能使用MP4了。 于是ffmpeg登场了当然将ASF转换为ts格式剪影应该也是可以支持的 另尝试使用MKVToolNix将ASF转换为MKV失败 C:\ProgramData\Microsoft\Windows\Start Menu\Programs\MKVToolNix \[西安交通大学][数据库系统原理][54讲全][燕彩蓉]
中山大学自考 专业名称计算机网络独立本科段* 专业代号B080709 考试计划 类型序号 课程代号 课程名称 学分 类型 考试方式 008 4735 数据库系统原理 4 必考 笔试
ffmpeg asf mp4 http://t.zoukankan.com/jinli1771-p-15059440.html ffmpeg将常见视频格式转换为mp4 1avi、mkv、mp4等格式转为mp4 ffmpeg -i 1.avi -c copy 1.mp4
2wmv、asf等格式转为mp4 ffmpeg -i 1.asf 1.mp4 Microsoft Windows [版本 10.0.19045.2311] (c) Microsoft Corporation。保留所有权利。
C:\Users\Administratorcd I:\[西安交通大学][数据库系统原理][54讲全][燕彩蓉]
C:\Users\Administratori:
I:\[西安交通大学][数据库系统原理][54讲全][燕彩蓉]dir 驱动器 I 中的卷是 8T 卷的序列号是 E2B3-3455
I:\[西安交通大学][数据库系统原理][54讲全][燕彩蓉]ffmpeg -i 第01讲j.asf 01.mp4 ffmpeg version 2020-11-04-git-cfdddec0c8-essentials_build-www.gyan.dev Copyright (c) 2000-2020 the FFmpeg developers built with gcc 10.2.0 (Rev3, Built by MSYS2 project) configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libgme --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libtheora --enable-libvo-amrwbenc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-librubberband libavutil 56. 60.100 / 56. 60.100 libavcodec 58.112.101 / 58.112.101 libavformat 58. 64.100 / 58. 64.100 libavdevice 58. 11.102 / 58. 11.102 libavfilter 7. 88.102 / 7. 88.102 libswscale 5. 8.100 / 5. 8.100 libswresample 3. 8.100 / 3. 8.100 libpostproc 55. 8.100 / 55. 8.100 Guessed Channel Layout for Input Stream #0.0 : mono Input #0, asf, from 第01讲j.asf: Metadata: WM/WMADRCPeakReference: 32767 WM/WMADRCAverageReference: 18937 WMFSDKNeeded : 0.0.0.0000 WMFSDKVersion : 10.00.00.4054 IsVBR : 0 Duration: 00:45:54.50, start: 0.000000, bitrate: 46 kb/s Chapter #0:0: start 85.400000, end 636.800000 Metadata: title : 数据库概述 Chapter #0:1: start 636.800000, end 2754.496000 Metadata: title : 数据库产生发展 Stream #0:0: Audio: wmav2 (a[1][0][0] / 0x0161), 8000 Hz, mono, fltp, 8 kb/s Stream #0:1: Video: mss1 (MSS1 / 0x3153534D), pal8, 800x600, 120 kb/s, 2 tbr, 1k tbn, 1k tbc Stream mapping: Stream #0:1 - #0:0 (mss1 (native) - h264 (libx264)) Stream #0:0 - #0:1 (wmav2 (native) - aac (native)) Press [q] to stop, [?] for help [libx264 000001a0f45cbc80] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 000001a0f45cbc80] profile High 4:4:4 Predictive, level 3.1, 4:4:4, 8-bit [libx264 000001a0f45cbc80] 264 - core 161 r3027 4121277 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264.html - options: cabac1 ref3 deblock1:0:0 analyse0x3:0x113 mehex subme7 psy1 psy_rd1.00:0.00 mixed_ref1 me_range16 chroma_me1 trellis1 8x8dct1 cqm0 deadzone21,11 fast_pskip1 chroma_qp_offset4 threads19 lookahead_threads3 sliced_threads0 nr0 decimate1 interlaced0 bluray_compat0 constrained_intra0 bframes3 b_pyramid2 b_adapt1 b_bias0 direct1 weightb1 open_gop0 weightp2 keyint250 keyint_min2 scenecut40 intra_refresh0 rc_lookahead40 rccrf mbtree1 crf23.0 qcomp0.60 qpmin0 qpmax69 qpstep4 ip_ratio1.40 aq1:1.00 [aac 000001a0f45339c0] Too many bits 8832.000000 6144 per frame requested, clamping to max Output #0, mp4, to 01.mp4: Metadata: WM/WMADRCPeakReference: 32767 WM/WMADRCAverageReference: 18937 WMFSDKNeeded : 0.0.0.0000 WMFSDKVersion : 10.00.00.4054 IsVBR : 0 encoder : Lavf58.64.100 Chapter #0:0: start 85.400000, end 636.800000 Metadata: title : 数据库概述 Chapter #0:1: start 636.800000, end 2754.496000 Metadata: title : 数据库产生发展 Stream #0:0: Video: h264 (libx264) (avc1 / 0x31637661), yuv444p(tv, progressive), 800x600, q-1--1, 2 fps, 16384 tbn, 2 tbc Metadata: encoder : Lavc58.112.101 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 8000 Hz, mono, fltp, 48 kb/s Metadata: encoder : Lavc58.112.101 aac More than 1000 frames duplicated 4864kB time00:11:06.81 bitrate 59.8kbits/s dup989 drop0 speed87.2x frame 5509 fps170 q-1.0 Lsize 20879kB time00:45:54.36 bitrate 62.1kbits/s dup3791 drop0 speed84.8x video:5386kB audio:15315kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.857927% [libx264 000001a0f45cbc80] frame I:29 Avg QP: 7.48 size:144343 [libx264 000001a0f45cbc80] frame P:1390 Avg QP:12.64 size: 773 [libx264 000001a0f45cbc80] frame B:4090 Avg QP:19.70 size: 62 [libx264 000001a0f45cbc80] consecutive B-frames: 0.8% 0.4% 0.8% 98.0% [libx264 000001a0f45cbc80] mb I I16..4: 46.7% 15.2% 38.1% [libx264 000001a0f45cbc80] mb P I16..4: 0.1% 0.1% 0.2% P16..4: 0.5% 0.1% 0.1% 0.0% 0.0% skip:99.0% [libx264 000001a0f45cbc80] mb B I16..4: 0.0% 0.0% 0.0% B16..8: 0.4% 0.0% 0.0% direct: 0.0% skip:99.5% L0:53.7% L1:46.2% BI: 0.1% [libx264 000001a0f45cbc80] 8x8 transform intra:17.3% inter:25.8% [libx264 000001a0f45cbc80] coded y,u,v intra: 42.7% 39.8% 37.6% inter: 0.0% 0.0% 0.0% [libx264 000001a0f45cbc80] i16 v,h,dc,p: 66% 9% 24% 1% [libx264 000001a0f45cbc80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 52% 13% 34% 0% 0% 0% 0% 0% 0% [libx264 000001a0f45cbc80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 21% 31% 3% 5% 3% 4% 3% 3% [libx264 000001a0f45cbc80] Weighted P-Frames: Y:0.0% UV:0.0% [libx264 000001a0f45cbc80] ref P L0: 51.0% 1.8% 28.6% 18.6% [libx264 000001a0f45cbc80] ref B L0: 76.8% 22.1% 1.1% [libx264 000001a0f45cbc80] ref B L1: 97.2% 2.8% [libx264 000001a0f45cbc80] kb/s:16.02 [aac 000001a0f45339c0] Qavg: 64839.609 参考资料 计算机网络 中山大学 考试科目代码 https://zhidao.baidu.com/question/560321793.html 中山大学自考 专业名称计算机网络独立本科段* 专业代号B080709 ; 15 https://www.zikaoben.cn/archives/4002.html 四川自考计算机网络专业(Y080709)考试科目课程一览表 - 自考网.mhtml 中山大学自考 专业名称计算机网络独立本科段* 专业代号B080709 考试计划
http://www.gdzsxx.com/zikao/zy/bk/201203/1323.html B080709 计算机网络(独立本科段)*
