<div dir="ltr"><pre style="white-space:pre-wrap;color:rgb(0,0,0)">Resend of submission sent on May 13th.</pre><pre style="white-space:pre-wrap;color:rgb(0,0,0)">----------------------------------------<br></pre><pre style="white-space:pre-wrap;color:rgb(0,0,0)">in TrackCreateES() don't compare case of i_handler is ATOM_clcp<br>It makes can't create track for clcp media type<br>print this debug messages and vlc player can't recognize closed caption<br><br>debug messages:<br>    mp4 demux debug: track[Id 0x4] read 32 samples length:80s<br>    mp4 demux error: cannot create es for track[Id 0x4]<br>    mp4 demux debug: ignoring track[Id 0x4]<br><br>I tested by using this sample videos:<br>    <a href="https://sampleplatform.ccextractor.org/sample/download/45">https://sampleplatform.ccextractor.org/sample/download/45</a><br>    <a href="https://sampleplatform.ccextractor.org/sample/download/130">https://sampleplatform.ccextractor.org/sample/download/130</a><br><br>reference:<br>    <a href="https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html#//apple_ref/doc/uid/TP40000939-CH205-SW87">https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html#//apple_ref/doc/uid/TP40000939-CH205-SW87</a><br><br>---<br> modules/demux/mp4/mp4.c | 3 ++-<br> 1 file changed, 2 insertions(+), 1 deletion(-)<br><br>diff --git a/modules/demux/mp4/mp4.c b/modules/demux/mp4/mp4.c<br>index 5d4febe..def160e 100644<br>--- a/modules/demux/mp4/mp4.c<br>+++ b/modules/demux/mp4/mp4.c<br>@@ -3000,7 +3000,8 @@ static int TrackCreateES( demux_t *p_demux, mp4_track_t *p_track,<br>     case SPU_ES:<br>         if ( ( p_sample->i_handler != ATOM_text &&<br>                p_sample->i_handler != ATOM_subt &&<br>-               p_sample->i_handler != ATOM_sbtl ) ||<br>+               p_sample->i_handler != ATOM_sbtl &&<br>+               p_sample->i_handler != ATOM_clcp ) ||<br>              !SetupSpuES( p_demux, p_track, p_sample ) )<br>            return VLC_EGENERIC;<br>         break;<br>-- <br>2.7.4<br></pre></div>