[FFmpeg-devel] [PATCH] avformat/hlsenc: EXT-X-I-FRAMES-ONLY requires version 4 or higher

[Zhao Zhili]

> On Jan 16, 2021, at 12:47 AM, Zhao Zhili <quinkblack at foxmail.com> wrote:
> 
> ---
> libavformat/hlsenc.c | 4 ++++
> 1 file changed, 4 insertions(+)
> 
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index cafe0e8c69..d376fc6f08 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -1564,6 +1564,10 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
>         sequence = 0;
>     }
> 
> +    if (hls->flags & HLS_I_FRAMES_ONLY) {
> +        hls->version = 4;
> +    }
> +
>     if (hls->flags & HLS_INDEPENDENT_SEGMENTS) {
>         hls->version = 6;
>     }

Current implementation only takes HLS_SINGLE_FILE mode into consideration.
I_FRMAMES_ONLY should works without SINGLE_FILE mode by dropping non-key
frame packets. This patch doesn't consider that issue.

> -- 
> 2.27.0
> 
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