[FFmpeg-devel] [PATCH] ffmpeg: When streamcopying, only add the input seek position when copying timestamps.

[Simon Thelen]

On 15-11-22 at 15:03, Simon Thelen wrote:
> Using -ss as an input option shifts timestamps down by the seek, so it
> doesn't have to be added to the recording time when checking whether to
> stop.
> 
> Fixes #977
> 
> Signed-off-by: Simon Thelen <ffmpeg-dev at c-14.de>
> ---
>  ffmpeg.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/ffmpeg.c b/ffmpeg.c
> index bf5e983..6658fb2 100644
> --- a/ffmpeg.c
> +++ b/ffmpeg.c
> @@ -1831,7 +1831,7 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
>  
>      if (f->recording_time != INT64_MAX) {
>          start_time = f->ctx->start_time;
> -        if (f->start_time != AV_NOPTS_VALUE)
> +        if (f->start_time != AV_NOPTS_VALUE && copy_ts)
>              start_time += f->start_time;
>          if (ist->pts >= f->recording_time + start_time) {
>              close_output_stream(ost);
> -- 
> 2.6.3
> 
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ping

-- 
Simon Thelen