平昌冬残奥会闭幕式北京文艺表演进行实地排练
百度 据了解，在此前进行的七轮谈判中，美国政府为保证，甚至增加就业，建议北美自由贸易协定（NATFA）修改汽车原产地规则，明确要求只有美国产零部件占整车50％以上、三国产零部件占整车85％以上（此前是%）才能享受自贸区免税优惠，但数次遭到加拿大和墨西哥两国的拒绝。
Refers to the "container" that that data is stored in and how that data is encoded.
192 questions
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What is correct name for format/content of media with 2 alternative or complementary video streams? What players?
What is correct name for format/content of media with 2 alternative or complementary video streams?
What (local and online) players do support playing such media with flexible ratio or better as ...
- 101
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33
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How is PSNR calculated when the reference file is RGB and the encoded file is YUV?
If I use this command to get PSNR statistics for a file:
ffmpeg -i encoded.mp4 -i reference.nut -lavfi "[0:v]setpts=N[out0];[1:v]setpts=N[out1];[out0][out1]psnr=stats_file=psnr_logfile.txt" -...
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37
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Advice choosing an archival format; prioritize pixel format or PSNR?
I produce 3D animations and I keep an archive of the final rendered animation (lossless 16 bpc RGB tif sequences) in case I need to re-upload it somewhere else in the future. It is much faster to just ...
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99
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yuv420p10le ffmpeg pixel format; why does 16 bit input take less space than 8 bit?
I recently experimented with exporting lossless PNG sequences from Adobe After Effects in either 8-bpc or 16-bpc modes. I then encoded these PNG sequences using ffmpeg in two different ways:
VVC:
...
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1
answer
197
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Importing still images to Premiere Pro from Photoshop
I'm producing a documentary film. I'll be using Premiere Pro (for the first time).
I have tons of still images, all prepped in Photoshop (which I've been using for years).
I know Premiere can import ...
- 103
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15
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How to clean up shot with Photoshop+Davinci Resolve?
I heard about method of clean up in Davinci Resolve, not by masks or fushion, but by exporting frames as stills, cleaning in Photoshop and importing again to Davinci Resolve.
How can i do that, if my ...
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37
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How to get a 7.1 PCMle encode in an MOV container to stay a single track while also rendering as 8 mono tracks in an NLE like an MXF container
I've been trying to convert Blu-Ray footage to the most efficient, yet least time consuming format for editing footage from them. For a while, I would make an MXF container and encode the h264 to ...
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1
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226
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Should this audio file have ogg or opus as file name extension?
bash $ mediainfo myaudio.opus
General
Complete name : /Users/qaz/myaudio.opus
Format : Ogg
File size : 3.52 ...
- 133
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1
answer
70
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Premiere Pro media linking with illegal filenames
I was working on a video project with some classmates and after our class ended I asked our editor if I could have the footage. She everso-nicely renamed the files so they are human-readable, however, ...
- 121
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2
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302
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Is SSD a safe replacement for HDD video storage?
Small M.2 SSD (solid-state drives) are increasingly replacing HDD (hard disk drives) in new PCs for file storage.
SSD is proven to be better for video editing, but what about video storage? Is a PC ...
- 223
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1
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142
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SONY XDCAM Cant open files on macbook
I can't open the BPAV folder on my mac, not in quicktime or in Final cut pro. I don't know why can anybody help?
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82
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Do mobile phones really record in these odd framerates?
I received several video files for editing that were recorded on a mobile phone. (Samsung S21, if it matters.)
When I brought the files into VEGAS (still using version 15.0 Platinum), it reports some ...
- 123
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1
answer
38
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Is there an optimal way to preserve quality when translating file formats?
My screen recording software, OBS, seems to encourage recording in MKV. My video editing software, DaVinci Resolve 18, doesn't support this format on Linux (as far as I can tell). The options I have ...
- 101
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1
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43
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Estimating video file size given camera parameters
I am trying to predict video file size given:
camera fps.
number of horizontal pixels.
number of vertical pixels.
bit depth.
time duration of the video.
using the following formula
file_size = ...
- 101
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1
answer
463
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What video container formats are similar to MPEG-TS?
I have been looking to live video streaming where a client can join the stream of bytes and play the video automatically. I have recently found MPEG-TS which seems to work pretty well, and I noticed ...
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