[libav-devel] [PATCH 3/3] movenc: Place the sidx index after the initial moov/mdat pair

Luca Barbato lu_zero at gentoo.org
Mon Aug 10 01:37:12 CEST 2015


On 09/08/15 21:45, Martin Storsjö wrote:
> For fragmented files with non-empty moov, with a fragment index
> (sidx), place the index after the initial moov/mdat pair.
> 
> Previously, for this pathological case, the index was written
> at the start of the file.
> ---
>  libavformat/movenc.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/libavformat/movenc.c b/libavformat/movenc.c
> index feb6a84..bb2504f 100644
> --- a/libavformat/movenc.c
> +++ b/libavformat/movenc.c
> @@ -3242,6 +3242,9 @@ static int mov_flush_fragment(AVFormatContext *s)
>          avio_write(s->pb, buf, buf_size);
>          av_free(buf);
>  
> +        if (mov->flags & FF_MOV_FLAG_FASTSTART)
> +            mov->reserved_header_pos = avio_tell(s->pb);
> +
>          mov->moov_written = 1;
>          mov->mdat_size = 0;
>          for (i = 0; i < mov->nb_streams; i++) {
> 

Ok.


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