[Bf-committers] Blender VSE exported video goes from 1440p to 1080p

Mon May 9 04:38:47 CEST 2016

Bump this question. Anyone have any idea why?

On Sat, May 7, 2016, 22:14 blubee blubeeme <gurenchan at gmail.com> wrote:

> I was away from my computer for a while. Opening the video with mplayer
> this is the output from the unedited video:
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> Playing 2594x1458.mkv.
> libavformat version 56.40.101 (external)
> libavformat file format detected.
> [lavf] stream 0: video (h264), -vid 0
> VIDEO:  [H264]  2594x1458  0bpp  120.000 fps    0.0 kbps ( 0.0 kbyte/s)
> Clip info:
>  ENCODER: Lavf56.40.101
> Load subtitles in ./
> ==========================================================================
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> libavcodec version 56.60.100 (external)
> Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
> ==========================================================================
> Audio: no sound
> Starting playback...
> Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
> VO: [vdpau] 2594x1458 => 2594x1458 Planar YV12
> V:   2.0   0/  0 23%  8%  0.0% 0 0
>
> opening it with vlc and looking at the codec information:
>
> ----------------------------------------------------------------------------------------
> http://i.imgur.com/m1wn3r4.png
> http://i.imgur.com/UZE9zZr.png
>
> this is the video information for the blender edited file
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Playing 2594x1458 exported from blender.mp4.
> libavformat version 56.40.101 (external)
> libavformat file format detected.
> [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f1724bf0880]Protocol name not provided,
> cannot determine if input is local or a network protocol, buffers and
> access patterns cannot be configured optimally without knowing the protocol
> [lavf] stream 0: video (h264), -vid 0
> VIDEO:  [H264]  2594x1458  24bpp  120.000 fps  6904.4 kbps (842.8 kbyte/s)
> Clip info:
>  major_brand: isom
>  minor_version: 512
>  compatible_brands: isomiso2avc1mp41
>  encoder: Lavf56.40.101
> Load subtitles in ./
> ==========================================================================
> Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> libavcodec version 56.60.100 (external)
> Selected video codec: [ffh264] vfm: ffmpeg (FFmpeg H.264)
> ==========================================================================
> Audio: no sound
> Starting playback...
> Movie-Aspect is 1.78:1 - prescaling to correct movie aspect.
> VO: [vdpau] 2594x1458 => 2594x1458 Planar YV12
> V:   1.4   0/  0 72% 25%  0.0% 0 0
>
> vlc information
>
> ----------------------------------------------------------------------------------------
> http://i.imgur.com/XKwdWCH.png
> no metadata
>
>
>
> On Sat, May 7, 2016 at 12:59 PM, David McSween <3pointedit at gmail.com>
> wrote:
>
>> So what do the properties of the second clip say when ipen in a media
>> viewer?
>>
>> D
>> On 7 May 2016 2:42 pm, "blubee blubeeme" <gurenchan at gmail.com> wrote:
>>
>> > That's correct, the first one was shot with ffmpeg and directly
>> uploaded to
>> > YouTube and it has 1440p available.
>> >
>> > The second one was edited in blender vse just to remove a few frames,
>> > exported and uploaded to YouTube.
>> >
>> > The question is, why doesn't the second video have the 1440p option?
>> >
>> > It's the same video, the second one was just edited in blender.
>> >
>> > On Sat, May 7, 2016, 12:35 David McSween <3pointedit at gmail.com> wrote:
>> >
>> > > Well I just looked at the first one and it DOES say 1440 is available
>> ;-)
>> > >
>> > > On Sat, May 7, 2016 at 2:25 PM, blubee blubeeme <gurenchan at gmail.com>
>> > > wrote:
>> > >
>> > > > That just might be the case that youtube didn't encode the video at
>> > that
>> > > > resolution yet but maybe not.
>> > > >
>> > > > I made these two videos the other day
>> > > > This one directly uploaded after recording with ffmpeg:
>> > > > https://www.youtube.com/watch?v=2NzSlo3knbk
>> > > > This one I edited with blender then uploaded:
>> > > > https://www.youtube.com/watch?v=LYUTu6UV5ug
>> > > >
>> > > > The first one shows up to 1440p while the one exported from blender
>> > only
>> > > > shows 1080p. Also they encoded pretty fast and have been up for at
>> > least
>> > > a
>> > > > day now so I am unsure.
>> > > >
>> > > > On Sat, May 7, 2016 at 12:21 PM, David McSween <
>> 3pointedit at gmail.com>
>> > > > wrote:
>> > > >
>> > > > > Youtube's default HD setting is 1080. Open the render in VLC or
>> > similar
>> > > > and
>> > > > > check the file attributes. Perhaps Youtube hasn't encoded a 1440
>> > > > > distributable file yet?
>> > > > >
>> > > > > David
>> > > > >
>> > > > > On Sat, May 7, 2016 at 2:08 PM, blubee blubeeme <
>> gurenchan at gmail.com
>> > >
>> > > > > wrote:
>> > > > >
>> > > > > > Before importing the video into blender I setup the scene
>> > properties.
>> > > > > > Custom fps 120
>> > > > > > resolution 2594x1458
>> > > > > > the scale percentage to 100%
>> > > > > >
>> > > > > > changed to export to mpeg 4 rgb, h.264 codec, 40000 bitrate gop
>> 60
>> > no
>> > > > > > audio.
>> > > > > >
>> > > > > > Still after this process youtube reports the video as 1080p and
>> not
>> > > > 1440p
>> > > > > > like the unedited video.
>> > > > > >
>> > > > > > On Sat, May 7, 2016 at 11:11 AM, David McSween <
>> > 3pointedit at gmail.com
>> > > >
>> > > > > > wrote:
>> > > > > >
>> > > > > > > The vse automatically conforms your input video to the current
>> > > > project
>> > > > > > > dimensions.  You'll find that your pictures are being
>> stretched
>> > to
>> > > > fill
>> > > > > > the
>> > > > > > > space. Also you should match the source frame rate.
>> > > > > > >
>> > > > > > > Cheers David
>> > > > > > > On 7 May 2016 1:07 pm, "blubee blubeeme" <gurenchan at gmail.com
>> >
>> > > > wrote:
>> > > > > > >
>> > > > > > > > I wrote up a question on SO about this with details and
>> > pictures
>> > > > but
>> > > > > no
>> > > > > > > one
>> > > > > > > > there even responded, hopefully someone here can help.
>> > > > > > > >
>> > > > > > > > Here's the question:
>> > > > > > > >
>> > > > > > > >
>> > > > > > >
>> > > > > >
>> > > > >
>> > > >
>> > >
>> >
>> http://blender.stackexchange.com/questions/52071/video-quality-loss-after-exporting-blender-vse
>> > > > > > > >
>> > > > > > > > Basically I record videos with ffmpeg and directly upload
>> it to
>> > > > > youtube
>> > > > > > > > it's resolution is 1440p, after importing the video in
>> blender
>> > > VSE
>> > > > > > > making a
>> > > > > > > > few edits and exporting it, youtube reports the resolution
>> as
>> > > 1080p
>> > > > > > > >
>> > > > > > > > Why is that? Are my export settings wrong, etc..?
>> > > > > > > > _______________________________________________
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>> > > > > > > > Bf-committers at blender.org
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>> > > > > > > >
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