[FFmpeg-devel] [PATCH] avformat/hls: Revert "reduce default max reload to 3"

[Steven Liu]

softworkz <ffmpegagent at gmail.com> 于2025年1月19日周日 16:52写道：
>
> From: softworkz <softworkz at hotmail.com>
>
> This change has caused regressions for many users and consumers.
> Playlist reloads only happen when a playlist doesn't indicate that it
> has ended (via #EXT-X-ENDLIST), which means that the addition of future
> segments is still expected.
> It is well possible that an HLS server is temporarily unable to serve
> further segments but resumes after some time, either indicating a
> discontinuity or even by fully catching up.
> With a segment length of 3s, a max_reload value of 1000 corresponds to
> a duration of 50 minutes which appears to be a reasonable default.
I have no opinion about this, lgtm

> ---
>     avformat/hls: Revert "reduce default max reload to 3"
>
>     This change has caused regressions for many users and consumers.
>     Playlist reloads only happen when a playlist doesn't indicate that it
>     has ended (via #EXT-X-ENDLIST), which means that the addition of future
>     segments is still expected. It is well possible that an HLS server is
>     temporarily unable to serve further segments but resumes after some
>     time, either indicating a discontinuity or even by fully catching up.
>     With a segment length of 3s, a max_reload value of 1000 corresponds to a
>     duration of 50 minutes which appears to be a reasonable default.
>
> Published-As: https://github.com/ffstaging/FFmpeg/releases/tag/pr-ffstaging-51%2Fsoftworkz%2Fsubmit_hls_reload-v1
> Fetch-It-Via: git fetch https://github.com/ffstaging/FFmpeg pr-ffstaging-51/softworkz/submit_hls_reload-v1
> Pull-Request: https://github.com/ffstaging/FFmpeg/pull/51
>
>  libavformat/hls.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavformat/hls.c b/libavformat/hls.c
> index 045741c3b4..426cf30f70 100644
> --- a/libavformat/hls.c
> +++ b/libavformat/hls.c
> @@ -2577,7 +2577,7 @@ static const AVOption hls_options[] = {
>          {.str = "3gp,aac,avi,ac3,eac3,flac,mkv,m3u8,m4a,m4s,m4v,mpg,mov,mp2,mp3,mp4,mpeg,mpegts,ogg,ogv,oga,ts,vob,wav"},
>          INT_MIN, INT_MAX, FLAGS},
>      {"max_reload", "Maximum number of times a insufficient list is attempted to be reloaded",
> -        OFFSET(max_reload), AV_OPT_TYPE_INT, {.i64 = 3}, 0, INT_MAX, FLAGS},
> +        OFFSET(max_reload), AV_OPT_TYPE_INT, {.i64 = 1000}, 0, INT_MAX, FLAGS},
>      {"m3u8_hold_counters", "The maximum number of times to load m3u8 when it refreshes without new segments",
>          OFFSET(m3u8_hold_counters), AV_OPT_TYPE_INT, {.i64 = 1000}, 0, INT_MAX, FLAGS},
>      {"http_persistent", "Use persistent HTTP connections",
>
> base-commit: ced9fddec0e45e1ce1b3425a1fed66af971e934c
> --
> ffmpeg-codebot
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Thanks
Steven