[FFmpeg-devel] [PATCH] avfilter/af_atempo: fix drift calculation, ticket #6157

[Steven Liu]

2017-02-19 10:22 GMT+08:00 Pavel Koshevoy <pkoshevoy at gmail.com>:

> On 02/18/2017 07:04 PM, Steven Liu wrote:
>
>>
>>
>> 2017-02-19 6:46 GMT+08:00 <pkoshevoy at gmail.com <mailto:
>> pkoshevoy at gmail.com>>:
>>
>>     From: Pavel Koshevoy <pkoshevoy at gmail.com <mailto:pkoshevoy at gmail.com
>> >>
>>
>>     ---
>>      libavfilter/af_atempo.c | 6 +++---
>>      1 file changed, 3 insertions(+), 3 deletions(-)
>>
>>     diff --git a/libavfilter/af_atempo.c b/libavfilter/af_atempo.c
>>     index a487882..eb62656 100644
>>     --- a/libavfilter/af_atempo.c
>>     +++ b/libavfilter/af_atempo.c
>>     @@ -697,11 +697,11 @@ static int yae_adjust_position(ATempoContext
>> *atempo)
>>          AudioFragment       *frag = yae_curr_frag(atempo);
>>
>>          const double prev_output_position =
>>     -        (double)(prev->position[1] - atempo->origin[1] +
>> atempo->window / 2);
>>     +        (double)(prev->position[1] - atempo->origin[1] +
>> atempo->window /
>>     2) *
>>     +        atempo->tempo;
>>
>>          const double ideal_output_position =
>>     -        (double)(prev->position[0] - atempo->origin[0] +
>> atempo->window /
>>     2) /
>>     -        atempo->tempo;
>>     +        (double)(prev->position[0] - atempo->origin[0] +
>> atempo->window / 2);
>>
>>          const int drift = (int)(prev_output_position -
>> ideal_output_position);
>>
>>     --
>>     2.6.6
>>
>>     _______________________________________________
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>>     ffmpeg-devel at ffmpeg.org <mailto:ffmpeg-devel at ffmpeg.org>
>>     http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>     <http://ffmpeg.org/mailman/listinfo/ffmpeg-devel>
>>
>>
>>
>> LGTM
>>
>>
>> Thanks
>>
>
>
> Then would someone apply this, please?
>

Will apply after 24 hours!

>
>
> Thank you,
>
>     Pavel
>
>
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