On 7/6/19, Andreas Rheinhardt <andreas.rheinha...@gmail.com> wrote: > The most serious bit of the substream_info header field (in a mayor sync > packet) indicates whether a 16-channel presentation is present in the > bitstream. If set, the extended_substream_info header field contains > information about the 16-channel presentation. This presentation always > uses substream 3, a substream that is discarded by truehd_core. So > substream_info needs to be changed to no longer indicate the presence > of a 16-channel presentation in order for truehd_core's output to be > consistent. This is implemented in this commit. > > This change also makes MediaInfo no longer display the presence of Atmos > in the output of truehd_core. > > Also, set the (now irrelevant) extended_substream_info field to zero as > this seems to be the common value for ordinary TrueHD. > > Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com> > --- > The info this patchset relies on can be found in Dolby's TrueHD (MLP) > high-level bitstream description [1]. See sections 4.2.8 and 4.2.9 for > this commit. Thanks to Hendrik Leppkes for the link. > > [1]: > https://developer.dolby.com/globalassets/technology/dolby-truehd/dolbytruehdhighlevelbitstreamdescription.pdf
LGTM _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
