[FFmpeg-devel] [PATCH 2/8] avutil/timecode: cosmetics on av_timecode_get_smpte

[lance.lmwang at gmail.com]

On Sat, Sep 05, 2020 at 08:22:11PM +0200, Marton Balint wrote:
> Signed-off-by: Marton Balint <cus at passwd.hu>
> ---
>  libavutil/timecode.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
> 
> diff --git a/libavutil/timecode.c b/libavutil/timecode.c
> index cb916970ef..c0956adadb 100644
> --- a/libavutil/timecode.c
> +++ b/libavutil/timecode.c
> @@ -71,31 +71,28 @@ uint32_t av_timecode_get_smpte_from_framenum(const AVTimecode *tc, int framenum)
>  uint32_t av_timecode_get_smpte(AVRational rate, int drop, int hh, int mm, int ss, int ff)
>  {
>      uint32_t tc = 0;
> -    uint32_t frames;
>  
>      /* For SMPTE 12-M timecodes, frame count is a special case if > 30 FPS.
>         See SMPTE ST 12-1:2014 Sec 12.1 for more info. */
>      if (av_cmp_q(rate, (AVRational) {30, 1}) == 1) {
> -        frames = ff / 2;
>          if (ff % 2 == 1) {
>              if (av_cmp_q(rate, (AVRational) {50, 1}) == 0)
>                  tc |= (1 << 7);
>              else
>                  tc |= (1 << 23);
>          }
> -    } else {
> -        frames = ff;
> +        ff /= 2;
>      }
>  
>      tc |= drop << 30;
> -    tc |= (frames / 10) << 28;
> -    tc |= (frames % 10) << 24;
> +    tc |= (ff / 10) << 28;
> +    tc |= (ff % 10) << 24;
>      tc |= (ss / 10) << 20;
>      tc |= (ss % 10) << 16;
>      tc |= (mm / 10) << 12;
>      tc |= (mm % 10) << 8;
>      tc |= (hh / 10) << 4;
> -    tc |= (hh  % 10);
> +    tc |= (hh % 10);

lgtm

>  
>      return tc;
>  }
> -- 
> 2.26.2
> 
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-- 
Thanks,
Limin Wang