[Cin] DCA encoder working, TrueHD probably need patch

[Andrew Randrianasulu]

Hi, I tried MLP/trueHD audio encoding in CinGG, but it was failing even with "strict -2" set in option files, probably need this patch:

https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/808a6717e0c584738c60a109afd6d47f4973d619
 
avformat/movenc: add muxing support for Dolby TrueHD streams
committer  James Almer <jamrial at gmail.com>
  Sun, 25 Aug 2019 04:42:34 +0300 (22:42 -0300)

DCA stuff apparently working:

mplayer /dev/shm/div3.qt -quiet
MPlayer SVN-r38152-5.5.0 (C) 2000-2019 MPlayer Team
224 audio & 466 video codecs

Playing /dev/shm/div3.qt.
libavformat version 58.33.100 (internal)
libavformat file format detected.
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x5756f9e0]Protocol name not provided, cannot determine if input is local or a network protocol, buffers and access patterns cannot be configured optimally without knowing the protocol
[lavf] stream 0: video (msmpeg4), -vid 0
[lavf] stream 1: audio (dca), -aid 0, -alang rus
VIDEO:  [3IVD]  720x400  24bpp  25.000 fps  2182.0 kbps (266.4 kbyte/s)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
libavcodec version 58.59.102 (internal)
Selected video codec: [ffdivx] vfm: ffmpeg (FFmpeg DivX ;-) (MSMPEG-4 v3))
==========================================================================
Clip info:
 major_brand: qt
 minor_version: 512
 compatible_brands: qt
 encoder: Lavf58.29.100
Load subtitles in /dev/shm/
==========================================================================
Forced audio codec: mad
Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders
AUDIO: 48000 Hz, 2 ch, floatle, 1411.2 kbit/45.94% (ratio: 176400->384000)
Selected audio codec: [ffdca] afm: ffmpeg (FFmpeg DTS)
==========================================================================
AO: [alsa] 48000Hz 2ch floatle (4 bytes per sample)
Starting playback...
Movie-Aspect is 1.80:1 - prescaling to correct movie aspect.
VO: [vdpau] 720x400 => 720x400 Planar YV12
Movie-Aspect is 1.80:1 - prescaling to correct movie aspect.
VO: [vdpau] 720x400 => 720x400 Planar YV12


Exiting... (End of file)

https://en.wikipedia.org/wiki/Dolby_TrueHD - lossless multichannel codec
https://forum.doom9.org/showthread.php?p=1862941 - doom9 thread from early 2019

https://en.wikipedia.org/wiki/DTS_(sound_system)
saw it used on few DVDs ....
-------------- next part --------------
mov dca
strict -2