[FFmpeg-devel] [PATCH] avformat/hlsenc: increase initial program date time precision

[Steven Liu]

Marton Balint <cus at passwd.hu> 于2020年7月19日周日 上午6:04写道：
>
> Also query time only once, not for every variant stream, otherwise variant
> streams might get a slightly different initial program date time. And we can
> set this unconditionally because HLS_PROGRAM_DATE_TIME flag is checked
> elsewhere.
>
> Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
>  libavformat/hlsenc.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index df84e6487d..39ff1fa1e7 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -2704,6 +2704,7 @@ static int hls_init(AVFormatContext *s)
>      char *p = NULL;
>      int http_base_proto = ff_is_http_proto(s->url);
>      int fmp4_init_filename_len = strlen(hls->fmp4_init_filename) + 1;
> +    double initial_program_date_time = av_gettime() / 1000000.0;
is it AV_TIME_BASE?
>
>      if (hls->use_localtime) {
>          pattern = get_default_pattern_localtime_fmt(s);
> @@ -2798,12 +2799,7 @@ static int hls_init(AVFormatContext *s)
>          vs->start_pts = AV_NOPTS_VALUE;
>          vs->end_pts   = AV_NOPTS_VALUE;
>          vs->current_segment_final_filename_fmt[0] = '\0';
> -
> -        if (hls->flags & HLS_PROGRAM_DATE_TIME) {
> -            time_t now0;
> -            time(&now0);
> -            vs->initial_prog_date_time = now0;
> -        }
> +        vs->initial_prog_date_time = initial_program_date_time;
>
>          for (j = 0; j < vs->nb_streams; j++) {
>              vs->has_video += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO;
> --
> 2.26.2
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".