[{"data":1,"prerenderedAt":1376},["ShallowReactive",2],{"content:\u002Fposts\u002Fvideo-compression":3,"surround:\u002Fposts\u002Fvideo-compression":1366},{"id":4,"title":5,"body":6,"categories":1343,"date":1345,"description":1346,"draft":1347,"extension":1348,"image":1349,"meta":1350,"navigation":1352,"path":1353,"permalink":1349,"pinned":1347,"published":1349,"readingTime":1354,"recommend":1349,"references":1349,"seo":1359,"sitemap":1360,"stem":1361,"tags":1362,"type":1364,"updated":1345,"__hash__":1365},"content\u002Fposts\u002Fposts\u002Fvideo-compression.md","视频压缩指南",{"type":7,"value":8,"toc":1313},"minimark",[9,19,24,27,39,46,53,56,60,63,68,71,74,77,81,89,99,102,108,111,145,148,152,156,167,182,185,188,193,200,203,221,227,231,298,303,306,311,316,327,332,343,348,356,360,365,371,374,391,396,402,405,416,420,424,430,432,460,464,470,472,483,487,560,563,567,572,673,678,733,738,791,797,802,855,861,866,906,910,915,921,926,932,936,940,943,949,955,1026,1030,1036,1041,1103,1107,1111,1116,1124,1129,1162,1166,1171,1182,1187,1198,1202,1208,1212,1223,1227,1291,1294,1297,1302,1305,1310],[10,11,15],"alert",{"type":12,"icon":13,"title":14},"info","tabler:robot","AI 迁移提示",[16,17,18],"p",{},"本文由 AI 协助从旧站迁移，尚未完成逐篇人工审校；内容如有疏漏，将在复核后修订。",[20,21,23],"h2",{"id":22},"一前言","一、前言",[16,25,26],{},"由于入手了115网盘会员，我决定将本地NAS中积攒多年的视频文件，一股脑儿迁移到云端备份，顺便也把NAS里的文件好好梳理一番。",[16,28,29,30,34,35,38],{},"作为一个资深“囤囤鼠”玩家，我的NAS里堆满了各种游戏的录屏、直播回放，文件数量多到令人头疼。整理过程中，一个最大的拦路虎出现了：",[31,32,33],"strong",{},"大量单个视频文件超过了115GB","。而115网盘有个硬性门槛——",[31,36,37],{},"不支持上传超过115GB的单个文件","。",[16,40,41],{},[42,43],"img",{"alt":44,"src":45},"115网盘因文件过大无法上传",".\u002Fimages\u002Fvideo-compression-20260303195035.webp",[16,47,48,49,52],{},"直接上传的路被堵死了，但办法总比困难多。我的解决思路是：",[31,50,51],{},"既然文件太大，那就给它“瘦身”","。不是简单地压缩，而是采用比原始视频更高效的编码格式进行重新编码，这样可以在几乎不影响画质的前提下，将文件体积大幅缩减。比如，一个273GB的直播录像，压缩后可以轻松控制在100GB以内。",[16,54,55],{},"下面，我就把这次“瘦身”迁移的完整操作和经验分享出来，希望能帮到同样被大文件上传问题困扰的你。",[20,57,59],{"id":58},"二查看原视频信息","二、查看原视频信息",[16,61,62],{},"在动手压缩之前，我们需要先了解原始视频的基本信息。这就像医生看病前的检查，能帮助我们制定最合适的\"治疗方案\"。",[64,65,67],"h3",{"id":66},"_1-为什么要先查看视频信息","1. 为什么要先查看视频信息？",[16,69,70],{},"不同的视频编码、分辨率、码率，压缩的潜力和采用的策略都不一样。比如：",[16,72,73],{},"如果视频已经是H.265编码，压缩空间就很小",[16,75,76],{},"如果是H.264编码的4K高码率视频，压缩空间就非常大",[64,78,80],{"id":79},"_2-用ffprobe查看视频信息","2. 用FFprobe查看视频信息",[16,82,83,84,88],{},"FFmpeg家族中有一个小工具叫",[85,86,87],"code",{"code":87},"ffprobe","，专门用来查看视频文件的详细信息：",[90,91,97],"pre",{"className":92,"code":94,"language":95,"meta":96},[93],"language-bash","ffprobe -v error -show_entries stream=codec_name,width,height,r_frame_rate,bit_rate -show_entries format=duration,bit_rate \"你的视频文件.mp4\"\n","bash","",[85,98,94],{"__ignoreMap":96},[16,100,101],{},"输出示例：",[90,103,106],{"className":104,"code":105,"language":95,"meta":96},[93],"codec_name=h264\nwidth=2560\nheight=1440\nr_frame_rate=60\u002F1\nbit_rate=61823000\nduration=37877.100000\n",[85,107,105],{"__ignoreMap":96},[16,109,110],{},"从这些信息中我们可以解读出：",[112,113,114,121,127,133,139],"ul",{},[115,116,117,120],"li",{},[85,118,119],{"code":119},"编码格式","：H.264（压缩空间巨大）",[115,122,123,126],{},[85,124,125],{"code":125},"分辨率","：2560x1440（2K）",[115,128,129,132],{},[85,130,131],{"code":131},"帧率","：60fps",[115,134,135,138],{},[85,136,137],{"code":137},"码率","：约61.8 Mbps（非常高）",[115,140,141,144],{},[85,142,143],{"code":143},"时长","：约10.5小时",[16,146,147],{},"关键判断：如果是H.264编码，意味着我们可以通过升级到H.265或AV1编码，在不明显降低画质的情况下，将文件体积缩小50%-70%。",[20,149,151],{"id":150},"三实操","三、实操",[64,153,155],{"id":154},"_1-下载ffmpeg","1. 下载FFmpeg",[16,157,158,159,166],{},"访问 FFmpeg ",[160,161,165],"a",{"href":162,"rel":163},"https:\u002F\u002Fffmpeg.org\u002Fdownload.html",[164],"nofollow","官网下载","页面，选择适合你操作系统的版本:",[16,168,169,170,175,176,181],{},"Windows用户：选择\"Windows builds by ",[160,171,174],{"href":172,"rel":173},"https:\u002F\u002Fgyan.dev",[164],"gyan.dev","\"或\"",[160,177,180],{"href":178,"rel":179},"https:\u002F\u002Fgithub.com\u002FBtbN\u002FFFmpeg-Builds\u002Freleases",[164],"BtbN","\"版本，下载压缩包",[16,183,184],{},"macOS用户：可以用Homebrew安装 brew install ffmpeg",[16,186,187],{},"Linux用户：直接用包管理器 sudo apt install ffmpeg",[16,189,190],{},[31,191,192],{},"Windows",[16,194,195,196,199],{},"如果临时使用，可以直接打开 bin文件夹，在命令行里面使用 ",[85,197,198],{"code":198},"ffmpeg"," 命令即可",[16,201,202],{},"长期使用推荐配置环境变量",[204,205,206,209,212,215,218],"ol",{},[115,207,208],{},"将下载的压缩包解压到某个目录，比如 C:\\ffmpeg",[115,210,211],{},"右键点击\"此电脑\" → \"属性\" → \"高级系统设置\" → \"环境变量\"",[115,213,214],{},"在\"系统变量\"中找到\"Path\"，点击\"编辑\"",[115,216,217],{},"添加FFmpeg的bin目录路径，例如 C:\\ffmpeg\\bin",[115,219,220],{},"一路点击\"确定\"保存",[16,222,223,226],{},[31,224,225],{},"验证安装","：打开命令提示符，输入 ffmpeg -version，如果显示版本信息，说明安装成功。",[64,228,230],{"id":229},"_2-压缩方案","2. 压缩方案",[232,233,234,252],"table",{},[235,236,237],"thead",{},[238,239,240,243,246,249],"tr",{},[241,242,119],"th",{},[241,244,245],{},"压缩效率",[241,247,248],{},"硬件支持",[241,250,251],{},"适用场景",[253,254,255,270,284],"tbody",{},[238,256,257,261,264,267],{},[258,259,260],"td",{},"H.264",[258,262,263],{},"基准",[258,265,266],{},"几乎所有设备",[258,268,269],{},"兼容性之王，但体积最大",[238,271,272,275,278,281],{},[258,273,274],{},"H.265\u002FHEVC",[258,276,277],{},"比H.264节省40-50%",[258,279,280],{},"2015年后设备普遍支持",[258,282,283],{},"当前最均衡的选择",[238,285,286,289,292,295],{},[258,287,288],{},"AV1",[258,290,291],{},"比H.264节省50-70%",[258,293,294],{},"RTX 40\u002F50系、Intel Arc、AMD RX 7000系",[258,296,297],{},"追求极致压缩，硬件较新",[10,299,300],{"type":12},[16,301,302],{},"AV1 硬件编码需要 RTX 40\u002F50 系列、Intel Arc 或 AMD RX 7000 系列显卡。旧显卡只能使用 CPU 软编码（libsvtav1），速度较慢但压缩率更高。",[16,304,305],{},"|VP9\t| 接近H.265 |\t部分设备支持 |\tYouTube常用，但逐渐被AV1取代 |",[16,307,308],{},[31,309,310],{},"H.265 vs AV1：怎么选？",[16,312,313],{},[31,314,315],{},"H.265（HEVC）的优势：",[112,317,318,321,324],{},[115,319,320],{},"兼容性好，2015年后的电视、手机、盒子基本都支持",[115,322,323],{},"编码速度快，硬件加速成熟",[115,325,326],{},"文件体积控制优秀",[16,328,329],{},[31,330,331],{},"AV1的优势：",[112,333,334,337,340],{},[115,335,336],{},"压缩率更高，同样画质下比H.265再小20-30%",[115,338,339],{},"开源免费，无专利授权费用",[115,341,342],{},"下一代视频编码标准",[16,344,345],{},[31,346,347],{},"我的建议：",[112,349,350,353],{},[115,351,352],{},"如果追求省心、要在多设备播放 → 选H.265",[115,354,355],{},"如果硬件较新（RTX 40\u002F50系）、追求最小体积 → 选AV1",[64,357,359],{"id":358},"_3-使用av1编码","3. 使用AV1编码",[16,361,362],{},[31,363,364],{},"使用NVIDIA显卡进行硬编码",[90,366,369],{"className":367,"code":368,"language":95,"meta":96},[93],"ffmpeg -i \"input.mp4\" -c:v av1_nvenc -cq 32 -preset p7 -c:a copy -movflags +faststart output_av1.mp4\n",[85,370,368],{"__ignoreMap":96},[16,372,373],{},"参数详解：",[112,375,376,379,382,385,388],{},[115,377,378],{},"-c:v av1_nvenc：调用NVIDIA显卡的AV1硬件编码器",[115,380,381],{},"-cq 32：质量参数，数值越小画质越好（推荐范围28-35）",[115,383,384],{},"-preset p7：编码预设，p7是最高质量（最慢）",[115,386,387],{},"-c:a copy：直接复制音频，不重新编码",[115,389,390],{},"-movflags +faststart：优化网络播放",[16,392,393],{},[31,394,395],{},"使用CPU进行软编码",[90,397,400],{"className":398,"code":399,"language":95,"meta":96},[93],"\nffmpeg -i \"input.mp4\" -c:v libsvtav1 -crf 35 -preset 6 -c:a copy -movflags +faststart output_cpu_av1.mp4\n\n",[85,401,399],{"__ignoreMap":96},[16,403,404],{},"参数解释：",[112,406,407,410,413],{},[115,408,409],{},"-c:v libsvtav1：使用CPU的SVT-AV1编码器（软件编码）",[115,411,412],{},"-crf 35：画质参数（0-63），数值越小画质越好。35是平衡点，如果想更小可以调到40-45",[115,414,415],{},"-preset 6：速度预设（0-13），数字越小越慢、压缩率越高。6是平衡点，如果想更小用preset 4或2，但会慢很多",[64,417,419],{"id":418},"_4-使用h265编码","4. 使用H265编码",[16,421,422],{},[31,423,364],{},[90,425,428],{"className":426,"code":427,"language":95,"meta":96},[93],"ffmpeg -i input.mp4 -c:v hevc_nvenc -cq 28 -preset p7 -c:a copy -movflags +faststart output_h265_nvenc.mp4\n",[85,429,427],{"__ignoreMap":96},[16,431,373],{},[112,433,434,451,453,456,458],{},[115,435,436,437],{},"-c:v hevc_nvenc：调用NVIDIA的H.265硬件编码器（GPU工作）",[10,438,440],{"type":439},"tip",[16,441,442,443,446,447,450],{},"H.265 硬编码推荐 ",[85,444,445],{"code":445},"-cq 28-32","，兼顾文件体积与画质。RTX 40\u002F50 系列使用 ",[85,448,449],{"code":449},"-preset p7"," 仍保持较快速度。",[115,452,381],{},[115,454,455],{},"-preset p7：NVIDIA预设，p1最快（质量最差），p7最慢（质量最好）。RTX 40\u002F50系用p7依然很快",[115,457,387],{},[115,459,390],{},[16,461,462],{},[31,463,395],{},[90,465,468],{"className":466,"code":467,"language":95,"meta":96},[93],"\nffmpeg -i input.mp4 -c:v libx265 -crf 24 -preset medium -c:a copy -movflags +faststart output_h265_cpu.mp4\n\n",[85,469,467],{"__ignoreMap":96},[16,471,404],{},[112,473,474,477,480],{},[115,475,476],{},"-c:v libx265：调用x265软件编码器（CPU工作）",[115,478,479],{},"-crf 24：画质参数（0-63），数值越小画质越好。35是平衡点，如果想更小可以调到40-45",[115,481,482],{},"-preset medium：控制编码速度与压缩率的平衡。从快到慢：ultrafast → superfast → veryfast → faster → fast → medium → slow → slower → veryslow。越慢文件越小，但时间成倍增加多",[64,484,486],{"id":485},"_5-crf值参考表不同分辨率","5. CRF值参考表（不同分辨率）",[232,488,489,505],{},[235,490,491],{},[238,492,493,496,499,502],{},[241,494,495],{},"画质目标",[241,497,498],{},"720p",[241,500,501],{},"1080p",[241,503,504],{},"4K",[253,506,507,521,534,547],{},[238,508,509,512,515,518],{},[258,510,511],{},"近乎无损",[258,513,514],{},"14",[258,516,517],{},"16",[258,519,520],{},"18",[238,522,523,526,528,531],{},[258,524,525],{},"高质量",[258,527,520],{},[258,529,530],{},"22",[258,532,533],{},"24",[238,535,536,539,541,544],{},[258,537,538],{},"中等质量",[258,540,533],{},[258,542,543],{},"26",[258,545,546],{},"28",[238,548,549,552,554,557],{},[258,550,551],{},"低质量",[258,553,546],{},[258,555,556],{},"30",[258,558,559],{},"32",[16,561,562],{},"经验法则：CRF每增减6，文件大小大约翻倍或减半",[64,564,566],{"id":565},"_5-主流编码器命名大全","5. 主流编码器命名大全",[16,568,569],{},[31,570,571],{},"软件编码器（CPU工作）",[232,573,574,586],{},[235,575,576],{},[238,577,578,581,584],{},[241,579,580],{},"编码器名称",[241,582,583],{},"来源",[241,585,119],{},[253,587,588,600,612,624,636,648,661],{},[238,589,590,595,598],{},[258,591,592],{},[85,593,594],{"code":594},"libx264",[258,596,597],{},"x264项目",[258,599,260],{},[238,601,602,607,610],{},[258,603,604],{},[85,605,606],{"code":606},"libx265",[258,608,609],{},"x265项目",[258,611,274],{},[238,613,614,619,622],{},[258,615,616],{},[85,617,618],{"code":618},"libsvtav1",[258,620,621],{},"Intel SVT项目",[258,623,288],{},[238,625,626,631,634],{},[258,627,628],{},[85,629,630],{"code":630},"libaom-av1",[258,632,633],{},"Alliance for Open Media（开放媒体联盟）参考实现",[258,635,288],{},[238,637,638,643,646],{},[258,639,640],{},[85,641,642],{"code":642},"librav1e",[258,644,645],{},"纯Rust实现的AV1编码器",[258,647,288],{},[238,649,650,655,658],{},[258,651,652],{},[85,653,654],{"code":654},"libvpx-vp9",[258,656,657],{},"Google VPx项目",[258,659,660],{},"VP9",[238,662,663,668,670],{},[258,664,665],{},[85,666,667],{"code":667},"libvpx-vp8",[258,669,657],{},[258,671,672],{},"VP8",[16,674,675],{},[31,676,677],{},"NVIDIA硬件编码器（GPU工作）",[232,679,680,692],{},[235,681,682],{},[238,683,684,686,689],{},[241,685,580],{},[241,687,688],{},"含义",[241,690,691],{},"硬件要求",[253,693,694,707,720],{},[238,695,696,701,704],{},[258,697,698],{},[85,699,700],{"code":700},"av1_nvenc",[258,702,703],{},"NVIDIA硬件AV1编码",[258,705,706],{},"RTX 40\u002F50系",[238,708,709,714,717],{},[258,710,711],{},[85,712,713],{"code":713},"hevc_nvenc",[258,715,716],{},"NVIDIA硬件H.265编码",[258,718,719],{},"GTX 10系以上（Maxwell架构以后）",[238,721,722,727,730],{},[258,723,724],{},[85,725,726],{"code":726},"h264_nvenc",[258,728,729],{},"NVIDIA硬件H.264编码",[258,731,732],{},"几乎所有NVIDIA显卡",[16,734,735],{},[31,736,737],{},"Intel硬件编码器（核显\u002F独显）",[232,739,740,750],{},[235,741,742],{},[238,743,744,746,748],{},[241,745,580],{},[241,747,688],{},[241,749,691],{},[253,751,752,765,778],{},[238,753,754,759,762],{},[258,755,756],{},[85,757,758],{"code":758},"av1_qsv",[258,760,761],{},"Intel QSV硬件AV1编码",[258,763,764],{},"Intel Arc独显或11代以上核显",[238,766,767,772,775],{},[258,768,769],{},[85,770,771],{"code":771},"hevc_qsv",[258,773,774],{},"Intel QSV硬件H.265编码",[258,776,777],{},"6代酷睿以上",[238,779,780,785,788],{},[258,781,782],{},[85,783,784],{"code":784},"h264_qsv",[258,786,787],{},"Intel QSV硬件H.264编码",[258,789,790],{},"几乎所有Intel核显",[16,792,793,796],{},[31,794,795],{},"QSV是什么","？Quick Sync Video，Intel的硬件加速技术品牌。",[16,798,799],{},[31,800,801],{},"AMD硬件编码器",[232,803,804,814],{},[235,805,806],{},[238,807,808,810,812],{},[241,809,580],{},[241,811,688],{},[241,813,691],{},[253,815,816,829,842],{},[238,817,818,823,826],{},[258,819,820],{},[85,821,822],{"code":822},"av1_amf",[258,824,825],{},"AMD AMF硬件AV1编码",[258,827,828],{},"RX 7000系列",[238,830,831,836,839],{},[258,832,833],{},[85,834,835],{"code":835},"hevc_amf",[258,837,838],{},"AMD AMF硬件H.265编码",[258,840,841],{},"RX 400系列以上",[238,843,844,849,852],{},[258,845,846],{},[85,847,848],{"code":848},"h264_amf",[258,850,851],{},"AMD AMF硬件H.264编码",[258,853,854],{},"几乎所有AMD显卡",[16,856,857,860],{},[31,858,859],{},"AMF是什么","？Advanced Media Framework，AMD的硬件加速技术品牌。",[16,862,863],{},[31,864,865],{},"Apple硬件编码器",[232,867,868,878],{},[235,869,870],{},[238,871,872,874,876],{},[241,873,580],{},[241,875,688],{},[241,877,691],{},[253,879,880,893],{},[238,881,882,887,890],{},[258,883,884],{},[85,885,886],{"code":886},"hevc_videotoolbox",[258,888,889],{},"Apple VideoToolbox H.265编码",[258,891,892],{},"M1\u002FM2\u002FM3系列或Intel Mac",[238,894,895,900,903],{},[258,896,897],{},[85,898,899],{"code":899},"h264_videotoolbox",[258,901,902],{},"Apple VideoToolbox H.264编码",[258,904,905],{},"几乎所有Mac",[64,907,909],{"id":908},"_6-如何查看你的ffmpeg支持哪些编码器","6. 如何查看你的FFmpeg支持哪些编码器",[16,911,912],{},[31,913,914],{},"列出所有编码器",[90,916,919],{"className":917,"code":918,"language":95,"meta":96},[93],"# 查看所有编码器\nffmpeg -encoders\n\n# 用grep筛选特定格式（Windows用findstr）\nffmpeg -encoders | grep -E \"x265|nvenc|qsv|amf|svt\"\n# Windows版：\nffmpeg -encoders | findstr \"x265 nvenc qsv amf svt\"\n",[85,920,918],{"__ignoreMap":96},[16,922,923],{},[31,924,925],{},"查看编码器详细信息",[90,927,930],{"className":928,"code":929,"language":95,"meta":96},[93],"# 查看libx265的详细参数\nffmpeg -h encoder=libx265\n\n# 查看hevc_nvenc的详细参数\nffmpeg -h encoder=hevc_nvenc\n\n# 查看libsvtav1的详细参数\nffmpeg -h encoder=libsvtav1\n",[85,931,929],{"__ignoreMap":96},[20,933,935],{"id":934},"四进阶技巧预估压缩时间和最终大小","四、进阶技巧：预估压缩时间和最终大小",[64,937,939],{"id":938},"_1-实时查看进度","1. 实时查看进度",[16,941,942],{},"在FFmpeg命令执行时，屏幕上会不断更新类似这样的信息：",[90,944,947],{"className":945,"code":946,"language":95,"meta":96},[93],"frame= 4690 fps=157 q=82.0 size=   99328KiB time=00:01:18.03 bitrate=10427.0kbits\u002Fs speed=2.61x\n",[85,948,946],{"__ignoreMap":96},[16,950,951,954],{},[31,952,953],{},"关键指标解读","：",[232,956,957,969],{},[235,958,959],{},[238,960,961,964,966],{},[241,962,963],{},"参数",[241,965,688],{},[241,967,968],{},"怎么看",[253,970,971,987,1000,1013],{},[238,972,973,978,981],{},[258,974,975],{},[31,976,977],{},"speed=2.61x",[258,979,980],{},"编码速度",[258,982,983,986],{},[31,984,985],{},"最核心指标","，表示比实时播放快2.61倍",[238,988,989,994,997],{},[258,990,991],{},[31,992,993],{},"time=01:18.03",[258,995,996],{},"已处理时长",[258,998,999],{},"已经处理了1分18秒",[238,1001,1002,1007,1010],{},[258,1003,1004],{},[31,1005,1006],{},"fps=157",[258,1008,1009],{},"每秒处理帧数",[258,1011,1012],{},"数值越高越快",[238,1014,1015,1020,1023],{},[258,1016,1017],{},[31,1018,1019],{},"size=99MB",[258,1021,1022],{},"当前输出大小",[258,1024,1025],{},"可以用来推算最终文件大小",[64,1027,1029],{"id":1028},"_2-估算总时间","2. 估算总时间",[16,1031,1032,1033],{},"公式：",[31,1034,1035],{},"总时长 ÷ speed值 = 预计编码时间",[16,1037,1038,954],{},[31,1039,1040],{},"实测案例对比",[232,1042,1043,1059],{},[235,1044,1045],{},[238,1046,1047,1050,1053,1056],{},[241,1048,1049],{},"视频规格",[241,1051,1052],{},"速度",[241,1054,1055],{},"10小时视频所需时间",[241,1057,1058],{},"最终大小",[253,1060,1061,1075,1089],{},[238,1062,1063,1066,1069,1072],{},[258,1064,1065],{},"1080p (RTX 5060)",[258,1067,1068],{},"6.87x",[258,1070,1071],{},"约1.5小时",[258,1073,1074],{},"约38GB",[238,1076,1077,1080,1083,1086],{},[258,1078,1079],{},"2K (RTX 5060)",[258,1081,1082],{},"2.61x",[258,1084,1085],{},"约4小时",[258,1087,1088],{},"约50GB",[238,1090,1091,1094,1097,1100],{},[258,1092,1093],{},"1080p (CPU编码)",[258,1095,1096],{},"0.2-0.5x",[258,1098,1099],{},"20-50小时",[258,1101,1102],{},"约25-30GB",[20,1104,1106],{"id":1105},"五常见问题与解决方案","五、常见问题与解决方案",[64,1108,1110],{"id":1109},"问题1网络路径无法访问","问题1：网络路径无法访问",[16,1112,1113,954],{},[31,1114,1115],{},"错误信息",[90,1117,1122],{"className":1118,"code":1120,"language":1121},[1119],"language-text","Error opening input file \\\\NAS\\share\\video.mp4: Invalid argument\n","text",[85,1123,1120],{"__ignoreMap":96},[16,1125,1126,954],{},[31,1127,1128],{},"解决方案",[204,1130,1131,1152],{},[115,1132,1133,1136,1137],{},[31,1134,1135],{},"映射网络驱动器","（推荐）：",[112,1138,1139,1142,1145],{},[115,1140,1141],{},"在资源管理器中右键点击\"此电脑\" → \"映射网络驱动器\"",[115,1143,1144],{},"选择一个盘符（如Z:），输入NAS路径",[115,1146,1147,1148,1151],{},"用 ",[85,1149,1150],{"code":1150},"Z:\\video.mp4"," 替代网络路径",[115,1153,1154,954,1157],{},[31,1155,1156],{},"复制到本地",[112,1158,1159],{},[115,1160,1161],{},"先将文件复制到本地硬盘，压缩完成后再拷回去",[64,1163,1165],{"id":1164},"问题2速度突然变慢","问题2：速度突然变慢",[16,1167,1168,954],{},[31,1169,1170],{},"可能原因",[112,1172,1173,1176,1179],{},[115,1174,1175],{},"散热问题导致显卡降频",[115,1177,1178],{},"后台有其他程序占用资源",[115,1180,1181],{},"读取源文件的硬盘速度跟不上",[16,1183,1184,954],{},[31,1185,1186],{},"解决方法",[112,1188,1189,1192,1195],{},[115,1190,1191],{},"监控GPU温度（用MSI Afterburner等工具）",[115,1193,1194],{},"关闭不必要的后台程序",[115,1196,1197],{},"确保源文件和输出文件在不同硬盘上",[64,1199,1201],{"id":1200},"问题3压缩后无法播放","问题3：压缩后无法播放",[16,1203,1204,1207],{},[31,1205,1206],{},"原因","：播放设备不支持AV1或H.265硬解",[16,1209,1210,954],{},[31,1211,1128],{},[112,1213,1214,1217,1220],{},[115,1215,1216],{},"改用H.265编码（兼容性更好）",[115,1218,1219],{},"用VLC、MPC-BE等支持软解的播放器",[115,1221,1222],{},"升级播放设备",[20,1224,1226],{"id":1225},"附录常用ffmpeg命令速查表","附录：常用FFmpeg命令速查表",[232,1228,1229,1239],{},[235,1230,1231],{},[238,1232,1233,1236],{},[241,1234,1235],{},"需求",[241,1237,1238],{},"命令",[253,1240,1241,1251,1261,1271,1281],{},[238,1242,1243,1246],{},[258,1244,1245],{},"查看视频信息",[258,1247,1248],{},[85,1249,1250],{"code":1250},"ffprobe -v error -show_format -show_streams input.mp4",[238,1252,1253,1256],{},[258,1254,1255],{},"AV1硬件编码",[258,1257,1258],{},[85,1259,1260],{"code":1260},"ffmpeg -i input.mp4 -c:v av1_nvenc -cq 32 -preset p7 output.mp4",[238,1262,1263,1266],{},[258,1264,1265],{},"H.265硬件编码",[258,1267,1268],{},[85,1269,1270],{"code":1270},"ffmpeg -i input.mp4 -c:v hevc_nvenc -cq 28 -preset p7 output.mp4",[238,1272,1273,1276],{},[258,1274,1275],{},"截取片段测试",[258,1277,1278],{},[85,1279,1280],{"code":1280},"ffmpeg -ss 00:10:00 -t 60 -i input.mp4 -c copy test.mp4",[238,1282,1283,1286],{},[258,1284,1285],{},"仅复制不压缩",[258,1287,1288],{},[85,1289,1290],{"code":1290},"ffmpeg -i input.mp4 -c copy output.mp4",[20,1292,1293],{"id":1293},"最后",[16,1295,1296],{},"经过这次近10TB视频的迁移压缩，我总结了以下经验：",[16,1298,1299],{},[31,1300,1301],{},"囤囤鼠的最终归宿是上云",[16,1303,1304],{},"本地NAS再大，也总有满的一天。115网盘的115GB限制看似麻烦，其实是逼着我们梳理文件、优化存储。经过这一轮压缩整理，我的NAS清爽多了，云端备份也更安心。",[16,1306,1307],{},[31,1308,1309],{},"祝大家上传顺利，永不\"文件过大\"！",[16,1311,1312],{},"如果你在操作过程中遇到问题，欢迎在评论区留言交流。本文所有命令均经过实测，但具体参数可能需要根据你的视频源微调。",{"title":96,"searchDepth":1314,"depth":1314,"links":1315},4,[1316,1318,1323,1332,1336,1341,1342],{"id":22,"depth":1317,"text":23},2,{"id":58,"depth":1317,"text":59,"children":1319},[1320,1322],{"id":66,"depth":1321,"text":67},3,{"id":79,"depth":1321,"text":80},{"id":150,"depth":1317,"text":151,"children":1324},[1325,1326,1327,1328,1329,1330,1331],{"id":154,"depth":1321,"text":155},{"id":229,"depth":1321,"text":230},{"id":358,"depth":1321,"text":359},{"id":418,"depth":1321,"text":419},{"id":485,"depth":1321,"text":486},{"id":565,"depth":1321,"text":566},{"id":908,"depth":1321,"text":909},{"id":934,"depth":1317,"text":935,"children":1333},[1334,1335],{"id":938,"depth":1321,"text":939},{"id":1028,"depth":1321,"text":1029},{"id":1105,"depth":1317,"text":1106,"children":1337},[1338,1339,1340],{"id":1109,"depth":1321,"text":1110},{"id":1164,"depth":1321,"text":1165},{"id":1200,"depth":1321,"text":1201},{"id":1225,"depth":1317,"text":1226},{"id":1293,"depth":1317,"text":1293},[1344],"杂项","2026-03-03","录个屏硬盘炸了？一个视频300G？教你把大文件压缩到100G以下",false,"md",null,{"slots":1351},{},true,"\u002Fposts\u002Fvideo-compression",{"text":1355,"minutes":1356,"time":1357,"words":1358},"14 min read",13.58,814800,2716,{"title":5,"description":1346},{"loc":1353},"posts\u002Fposts\u002Fvideo-compression",[1363,198],"视频处理","tech","4LYdLkx1s2utKwRRslAzuo4dhlIRRKh21WYHehW8Row",[1367,1371],{"title":1368,"path":1369,"stem":1370,"date":1345,"type":1364,"children":-1},"Ubuntu安装IntelliJ IDEA","\u002Fposts\u002Fubuntu-install-intellij-idea","posts\u002Fposts\u002Fubuntu-install-intellij-idea",{"title":1372,"path":1373,"stem":1374,"date":1375,"type":1364,"children":-1},"NAS 变身播放机：Kodi Docker-Compose 硬解直通手册","\u002Fposts\u002Ffnos-kodi-docker-hdmi-passthrough","posts\u002Fposts\u002Ffnos-kodi-docker-hdmi-passthrough","2026-03-07",1788712223498]