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修改了mediacodec分支 surface传入null 添加getoutputbuffer方法 获取到帧数据后 转为YUV420 然后调用ffp_queue_picture入队 传给渲染器做渲染 但是性能很低 画面感觉是在慢放
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请教个问题,在rk3568 android平台上使用h264编码录制屏幕,录制后的视频色彩丢失严重,一些文字或线条颜色丢失,看起来就是不清晰。有没有办法优化或补偿h264 yuv420色彩?
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Hello guys, thanks for this amazing project.
Well, i trying to encode/decode 1 image frame to test the VP8Encoder/VP8Decoder but seems that encoder generate invalid state
```
// Create …
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# Faster frame rates from FFmpeg by YUV
## YUV420 vs RGB24
Hey! It looks like you've got yourself quite the well-built FFmpeg-for-Python package here. I've been down this rabbit hole myself …
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All in the title. Image was encoded in cavif with args:
--cpu-used 0 --pix-fmt yuv420 --bit-depth 10 --rate-control q --crf 16 --bit-rate 0 --tune psnr --encoder-usage good --adaptive-quantization va…
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Rumors say that the current (default) config uses YUV420 as colorspace. This might be too lossy for some sophisticated scenarios. Therefore the default should be changed to YUV422.
Note: YUV444 does …
a-tze updated
6 years ago
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1. I created my dataset, my dataset had 200 folders(included val, total 120GB), but i got error, it's said that i didn't have enough memory; Thus, i want to know what the hardware configuration.
2. D…
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Hi,
I am trying to use Picam on an Rpi 5 with v3 camera module. The libcamera-hello works fine, but I get the following error when trying to run picam:
:~/picam $ sudo ./picam --alsadev hw:0,0
…
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## System information
- CPU information(`cat /proc/cpuinfo | grep "model name" | uniq`):
- model name : Intel(R) Xeon(R) CPU E3-1585L v5 @ 3.00GHz
- GPU information(`lspci -nn | grep -E 'VGA…
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How to reproduce:
`avifenc -c svt -o animationtest.avif input1.jpg input2.jpg`
```
Successfully loaded: input1.jpg
AVIF to be written: (Lossy)
* Resolution : 960x960
* Bit Depth : 8…