TA的每日心情 | 慵懒 2020-6-24 01:28 |
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硬解的锅,
In theory, hardware decoding does not reduce video quality (at least for the codecs h264 and HEVC). However, due to restrictions in video output APIs, as well as bugs in the actual hardware decoders, there can be some loss, or even blatantly incorrect results. vaapi is safe if the vaapi-egl backend is indicated in the logs. If vaapi-glx is indicated, and the video colorspace is either BT.601 or BT.709, a forced, low-quality but correct RGB conversion is performed. Otherwise, the result will be totally incorrect.
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