[FFmpeg-devel] [PATCH 3/3] avformat/mxfenc: support writing subsecond precision timestamps

[Tomas Härdin]

sön 2018-12-23 klockan 01:12 +0100 skrev Marton Balint:
> > Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
>  libavformat/mxfenc.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
> index 5e7bd212dc..032ee3bf3d 100644
> --- a/libavformat/mxfenc.c
> +++ b/libavformat/mxfenc.c
> @@ -2332,8 +2332,9 @@ static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st,
>      return !!sc->codec_ul;
>  }
>  
> -static uint64_t mxf_parse_timestamp(time_t timestamp)
> +static uint64_t mxf_parse_timestamp(int64_t timestamp64)
>  {
> +    time_t timestamp = timestamp64 / 1000000;
>      struct tm tmbuf;
>      struct tm *time = gmtime_r(&timestamp, &tmbuf);
>      if (!time)
> @@ -2343,7 +2344,8 @@ static uint64_t mxf_parse_timestamp(time_t timestamp)
>             (uint64_t) time->tm_mday       << 32 |
>                        time->tm_hour       << 24 |
>                        time->tm_min        << 16 |
> -                      time->tm_sec        << 8;
> +                      time->tm_sec        << 8  |
> +                      (timestamp64 % 1000000) / 4000;
>  }
>  
>  static void mxf_gen_umid(AVFormatContext *s)
> @@ -2580,7 +2582,7 @@ static int mxf_write_header(AVFormatContext *s)
>              sc->order = AV_RB32(sc->track_essence_element_key+12);
>      }
>  
> -    if (ff_parse_creation_time_metadata(s, &timestamp, 1) > 0)
> +    if (ff_parse_creation_time_metadata(s, &timestamp, 0) > 0)
>          mxf->timestamp = mxf_parse_timestamp(timestamp);
>      mxf->duration = -1;

Looks correct to me

/Tomas