[FFmpeg-user] OS X related issue rather than ffmpeg related issue
Henk D. Schoneveld
belcampo at zonnet.nl
Thu Sep 10 12:15:10 CEST 2015
On 10 Sep 2015, at 12:06, Henk D. Schoneveld <belcampo at zonnet.nl> wrote:
> On 10 Sep 2015, at 11:42, 桃源老師 <xanadu6291 at gmail.com> wrote:
>> Hello video experts!
>> I know that my issue is OS X related issue rather than ffmpeg related issue, but I'm appreciate someone's help who using OS X…
> On OSX I tried QTPlayer VLC and MPEG Streamclip, all 3 look different. My conclusion it’s not OSX, but media player defaults which cause this. I uploaded 3 screenshots from identical position in sample.
By inspecting some files which I encoded myself and your sample, I do see 1 difference the term Component, which I see in sample.mp4 but not in other files. Did this with mediainfo.
Frame rate mode : Constant
Frame rate : 29.970 fps
Standard : Component
Color space : YUV
I don’t know what it means though.
>> I downloaded some videos from net. Then I found that some of them have strange orange color noise (?).
>> It only occurs with QuickTime based application. Never occurs with ffplay, Windows media player, MPC-HC or VLC.
>> Here's short sample of my issue:
>> I'm suspecting that it is related with video's color space. those downloaded video uses bt709.
>> I'd like to know why this strange noise occurs with QuickTime based application...
>> Please help me!
>> // Miya aka. TougenRoushi
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