VP9是怎么编码的呢？求教程 看了一下ffmpeg的那个static build里面目前只有VP9的解码器.. $ ffmpeg -codecs |grep vp ffmpeg version 3.0.2 Copyright (c) 2000-2016 the FFmpeg developers built with Apple LLVM version 7.3.0 (clang-703.0.31) configuration: --prefix=/usr/local/Cellar/ffmpeg/3.0.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded- tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable- opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable- ffplay --enable-vda libavutil 55. 17.103 / 55. 17.103 libavcodec 57. 24.102 / 57. 24.102 libavformat 57. 25.100 / 57. 25.100 libavdevice 57. 0.101 / 57. 0.101 libavfilter 6. 31.100 / 6. 31.100 libavresample 3. 0. 0 / 3. 0. 0 libswscale 4. 0.100 / 4. 0.100 libswresample 2. 0.101 / 2. 0.101 libpostproc 54. 0.100 / 54. 0.100 D.V.L. vp3 On2 VP3 D.V.L. vp5 On2 VP5 D.V.L. vp6 On2 VP6 D.V.L. vp6a On2 VP6 (Flash version, with alpha channel) D.V.L. vp6f On2 VP6 (Flash version) D.V.L. vp7 On2 VP7 D.V.L. vp8 On2 VP8 D.V.L. vp9 Google VP9 DEA.LS wavpack WavPack D.S... vplayer VPlayer subtitle -- Wang Kang i...@scateu.me On Sun, Jun 12, 2016, at 18:20, Justin Wong wrote: > 原来如此，我看了下是 2000kbps 的 mp4，昨天录的时候应该是 1000kbps 的 > > -- > Justin Wong > > > > On Sun, Jun 12, 2016, at 18:18, xavier...@me.com wrote: >> 主要是用iMovie重新编码了 >> >> Get Outlook for iOS[1] >> >> >> >> >> On Sun, Jun 12, 2016 at 5:59 PM +0800, "Justin Wong" >> <i...@bigeagle.me> wrote: >> >> >>> 视频已可下载，有 mp4 和 webm 两种格式 >>> https://mirrors.tuna.tsinghua.edu.cn/tuna/quantum_info/ >>> >>> p.s. webm 用了 vp9，基本相同画质的情况下，大小只有 200+M，原 mp4 有 1.2G …… >>> p.s.2 mp4 是 iphone 拍的，跟手机的硬件编码也有关系 >>> >>> -- >>> Justin Wong >>> >>> >>> >>> On Mon, Jun 6, 2016, at 21:53, yi lu wrote: >>>> 哇 >>>> >>>> 2016-06-06 21:37 GMT+08:00 Justin Wong <i...@bigeagle.me>: >>>>> Hi Tuars, >>>>> >>>>> 本周的金枪鱼之夜已经确定，物理系吕铭同学做完毕设很有收获，中央决定让吕铭同学给大家科普一下量子计算。 >>>>> >>>>> 时间：6月11日（周六）晚 19:00 ~ 21:00 >>>>> 地点：三教 1301 >>>>> >>>>> p.s. 明天就要高考啦，@gaoyichuan @harry_chen @其他订阅这个列表的考生，我们在TUNA等你来～ >>>>> >>>>> 以上， >>>>> 团长 >>>>> -- >>>>> Justin Wong >>>>> >>>>> -- >>>>> >>>>> --- >>>>> You received this message because you are subscribed to the >>>>> Google Groups "TUNA 主邮件列表" group. To unsubscribe from this group >>>>> and stop receiving emails from it, send an email to tuna- >>>>> general+unsubscr...@googlegroups.com[2]. To post to this group, >>>>> send email to tuna-general@googlegroups.com. For more options, >>>>> visit https://groups.google.com/d/optout. >>>> >>>> >>>> -- >>>> >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "TUNA 主邮件列表" group. >>>> To unsubscribe from this group and stop receiving emails from it, >>>> send an email to tuna-general+unsubscr...@googlegroups.com. >>>> To post to this group, send email to tuna-general@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>> >>> >>> -- >>> >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "TUNA 主邮件列表" group. >>> To unsubscribe from this group and stop receiving emails from it, >>> send an email to tuna-general+unsubscr...@googlegroups.com. >>> To post to this group, send email to tuna-general@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >> >> -- >> >> --- >> You received this message because you are subscribed to the Google >> Groups "TUNA 主邮件列表" group. >> To unsubscribe from this group and stop receiving emails from it, >> send an email to tuna-general+unsubscr...@googlegroups.com. >> To post to this group, send email to tuna-general@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. > > > -- > > --- > You received this message because you are subscribed to the Google > Groups "TUNA 主邮件列表" group. > To unsubscribe from this group and stop receiving emails from it, > send an email to tuna-general+unsubscr...@googlegroups.com. > To post to this group, send email to tuna-general@googlegroups.com. > For more options, visit https://groups.google.com/d/optout.
Links: 1. https://aka.ms/o0ukef 2. mailto:tuna-general%2bunsubscr...@googlegroups.com -- --- You received this message because you are subscribed to the Google Groups "TUNA 主邮件列表" group. To unsubscribe from this group and stop receiving emails from it, send an email to tuna-general+unsubscr...@googlegroups.com. To post to this group, send email to tuna-general@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
