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[openh264] timing of SPS_ info_ present_ flag

2022-04-21 23:14:00 【Better go against the wind than wait for the wind to come】

The process of theoretical calculation timing_info_present_flag、 time_scale and num_units_in_tick
- SPS（Sequence Parameter Set） Of timing_info_present_flag by 1, adopt sps.time_scale/sps.num_units_in_tick Calculation .
Specifically ：
【H.264】SPS Method of calculating frame rate Many great gods discuss .

look openh264 Encoding is not supported , It supports decoding .

Is it because openh264 The default is caused by dynamic frame rate ？？？
- About encoder parameter #2201
  There are also people here who have been exposed to the sun openh264 The encoding parameters of ：
octalflow commented on 29 Oct 2015
Hello.
I have a question about decoder’s frame buffering.(NOT OPENH264 decoder BUT OMX)

When I feed encoded data to OMX, OMX decoder always buffer 2 to 4 frames.

So there are big latency problem. The discussion is on the decoding end

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