[vlc-devel] [PATCH 1/2] demux: mkv: flag prerolled blocks

[Denis Charmet]

Hi,

On 2016-08-04 12:02, Francois Cartegnie wrote:
> helps avcodec not increasing late frames
> ---
>  modules/demux/mkv/mkv.cpp | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/modules/demux/mkv/mkv.cpp b/modules/demux/mkv/mkv.cpp
> index 8fb66b6..0c90e4b 100644
> --- a/modules/demux/mkv/mkv.cpp
> +++ b/modules/demux/mkv/mkv.cpp
> @@ -677,6 +677,9 @@ void BlockDecode( demux_t *p_demux, KaxBlock
> *block, KaxSimpleBlock *simpleblock
>              }
>          }
> 
> +        if( p_block->i_dts < p_sys->i_start_pts )

I can't say that I'm a huge fan of comparison between pts and dts 
especially since mkv dts are inferred using a fishy method and might be 
VLC_TS_INVALID.

> +            p_block->i_flags |= BLOCK_FLAG_PREROLL;
> +
>          send_Block( p_demux, &track, p_block, i_number_frames, 
> i_duration );
> 
>          /* use time stamp only for first block */

Regards,
-- 
Denis Charmet - TypX
Le mauvais esprit est un art de vivre