On 30.12.2022 18:50, Zhao Zhili wrote:
From: Zhao Zhili <zhiliz...@tencent.com>
Signed-off-by: Zhao Zhili <zhiliz...@tencent.com>
---
I need help. A lot of things doesn't work as Nvidia's doc:
1. Global header is broken. NV_ENC_SEQUENCE_PARAM_PAYLOAD doesn't work with
multi SPS/PPS. It output VPS, SPS_0, SPS_1, PPS_0, with PPS_1 missing.
2. NV_ENC_LOCK_BITSTREAM.alphaLayerSizeInBytes is always 0, although the data
is there.
3. The alpha layer bitstream is corrupted. It can be decoded with a lot of
errors.
I had played around with this before as well:>
https://github.com/BtbN/FFmpeg/commit/589f96f2a3fb0cc719d76555f09f1bc1e8cb0403
But my conclusion was similar. The feature seems to be half broken and
on top of that poorly specified.
I eventually gave up investigating and just concluded it was broken.
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