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Change the hls_aof_ratio to 2.1. v5.0.200 v6.0.101 (#3886)

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In pure audio mode, there are no keyframes. Therefore, we can only rely
on the length of the slice to determine whether it should be output.
`hls_aof_ratio` is the coefficient that, once reached, will generate a
new slice.

In scenarios with video, if the `hls_aof_ratio` is too small, for
example 1.2, and the GOP (Group of Pictures) is 10 seconds, then a slice
will definitely be generated at 12 seconds. At this point, if there are
no keyframes, it will cause the next slice to start with a non-keyframe.

A safer coefficient is twice the GOP (Group of Pictures). This way, it
won't trigger incorrectly and prevent the individual transcoding of a ts
segment file.

---------

Co-authored-by: Haibo Chen <495810242@qq.com>
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Winlin 2023-11-19 21:50:11 +08:00 • committed by GitHub
parent 24235d8b6a
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6 changed files with 8 additions and 5 deletions
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trunk/src/app/srs_app_config.cpp
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@ -7035,7 +7035,7 @@ double SrsConfig::get_hls_aof_ratio(string vhost)
{
SRS_OVERWRITE_BY_ENV_FLOAT("srs.vhost.hls.hls_aof_ratio"); // SRS_VHOST_HLS_HLS_AOF_RATIO
static double DEFAULT = 1.2;
static double DEFAULT = 2.1;
SrsConfDirective* conf = get_hls(vhost);
if (!conf) {