关于运行时编码器码率设置的问题 #219

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opened 2025-12-23 10:36:15 +01:00 by backuprepo · 1 comment

backuprepo commented

2025-12-23 10:36:15 +01:00

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Originally created by @ZeroKernel798 on GitHub (Sep 16, 2025).

您好，请问此项目的硬件编码器h264_rkmpp以及hevc_rkmpp是否封装了运行时不中断修改码率的功能呢？我通过ffmpeg来调用这两个硬件编码器，似乎无法在运行时动态修改码率，我不太清楚是我编写的代码有问题，还是目前不支持这样的功能。

Originally created by @ZeroKernel798 on GitHub (Sep 16, 2025). 您好，请问此项目的硬件编码器h264_rkmpp以及hevc_rkmpp是否封装了运行时不中断修改码率的功能呢？我通过ffmpeg来调用这两个硬件编码器，似乎无法在运行时动态修改码率，我不太清楚是我编写的代码有问题，还是目前不支持这样的功能。

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2025-12-23 10:36:15 +01:00

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backuprepo commented

2025-12-23 10:36:16 +01:00

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@nyanmisaka commented on GitHub (Sep 16, 2025):

No, it doesn't. Most of FFmpeg's hardware encoders only support setting encoding parameters during the init phase. To change it you need to reinit the encoder.

@nyanmisaka commented on GitHub (Sep 16, 2025): No, it doesn't. Most of FFmpeg's hardware encoders only support setting encoding parameters during the init phase. To change it you need to reinit the encoder.