[FFmpeg-devel] [PATCH] avfilter/vf_telecine: Fix AV desync by using the first input timestamp

[Michael Niedermayer]

On Thu, Mar 26, 2015 at 01:16:16AM +0530, Himangi Saraogi wrote:
> ---
>  libavfilter/vf_telecine.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/libavfilter/vf_telecine.c b/libavfilter/vf_telecine.c
> index a0f28d4..4b46ac4 100644
> --- a/libavfilter/vf_telecine.c
> +++ b/libavfilter/vf_telecine.c
> @@ -38,6 +38,7 @@ typedef struct {
>      int first_field;
>      char *pattern;
>      unsigned int pattern_pos;
> +    int64_t start_time;
>  
>      AVRational pts;
>      double ts_unit;
> @@ -89,6 +90,8 @@ static av_cold int init(AVFilterContext *ctx)
>          s->pts.den += *p - '0';
>      }
>  
> +    s->start_time = -1;

should be AV_NOPTS_VALUE
timestaps can be negative so -1 could occur as a normal start time

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

During times of universal deceit, telling the truth becomes a
revolutionary act. -- George Orwell
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