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
>>>>>
>>>>> --
>>>>>
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>
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