• Martin Storsjö's avatar
    mov: Allow more than one keyframe per trun · 7cad1bf0
    Martin Storsjö authored
    The previous restriction was partially designed to fix certain
    (broken) samples from bug 215. There should be no restriction on the
    number of keyframes per fragment or trun.
    
    The spec suggests that all frames lacking MOV_FRAG_SAMPLE_FLAG_IS_NON_SYNC
    are key frames, but we require the flag MOV_FRAG_SAMPLE_FLAG_DEPENDS_YES
    to be unset as well. This works for (possibly broken) media that never
    sets the NON_SYNC flag and should also be correct for any spec-compliant
    file.
    
    For files that never set either of the flags, all samples are marked
    as keyframes.
    Signed-off-by: 's avatarMartin Storsjö <martin@martin.st>
    7cad1bf0
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