Audio issue with 96kHz

[Jean-Baptiste Mardelle]

On 24.03.2018 23:25, Johannes Bauer wrote:
> On 24.03.2018 23:08, Johannes Bauer wrote:
>
>> Recoded to 48 kHz and it sounds correct. It seems that the playback in
>> that build is fixed at 48 kHz.

Since MLT 6.6.0, libsamplerate is required to have audio resampling.
Make sure to install it and recompile MLT. Should fix your problems

Regards
jb

> Just rebuild with latest versions, in particular mlt/kdenlive. Couldn't
> build mlt master:
>
> producer_avformat.c:1611:2: note: in expansion of macro
> ‘mlt_log_timings_begin’
>    mlt_log_timings_begin();
>    ^~~~~~~~~~~~~~~~~~~~~
> cc -shared -o ../libmltavformat.so common.o factory.o
> filter_avcolour_space.o filter_avdeinterlace.o filter_swscale.o
> producer_avformat.o consumer_avformat.o filter_avfilter.o
> filter_swresample.o -L/home/joe/Videos/build/bin/lib -Wl,--no-undefined
> -Wl,--as-needed -Wl,--no-undefined -Wl,--as-needed -L../../framework
> -lmlt -lpthread -lm -Wl,--no-undefined -Wl,--as-needed
> -L/home/joe/Videos/build/bin/lib -lavcodec
> -L/home/joe/Videos/build/bin/lib -lavutil
> -L/home/joe/Videos/build/bin/lib -lavformat
> -L/home/joe/Videos/build/bin/lib -lswscale
> -L/home/joe/Videos/build/bin/lib -lavdevice
> -L/home/joe/Videos/build/bin/lib -lavfilter
> -L/home/joe/Videos/build/bin/lib -lswresample
> producer_avformat.o: In function `producer_get_audio':
> /home/joe/Videos/build/src/mlt/src/modules/avformat/producer_avformat.c:2727:
> undefined reference to `mlt_channel_layout_name'
> common.o: In function `mlt_to_av_channel_layout':
> /home/joe/Videos/build/src/mlt/src/modules/avformat/common.c:55:
> undefined reference to `mlt_channel_layout_name'
> common.o: In function `get_channel_layout_or_default':
> /home/joe/Videos/build/src/mlt/src/modules/avformat/common.c:125:
> undefined reference to `mlt_channel_layout_id'
> /home/joe/Videos/build/src/mlt/src/modules/avformat/common.c:127:
> undefined reference to `mlt_channel_layout_channels'
> /home/joe/Videos/build/src/mlt/src/modules/avformat/common.c:129:
> undefined reference to `mlt_channel_layout_default'
> consumer_avformat.o: In function `consumer_thread':
> /home/joe/Videos/build/src/mlt/src/modules/avformat/consumer_avformat.c:1543:
> undefined reference to `mlt_channel_layout_id'
> /home/joe/Videos/build/src/mlt/src/modules/avformat/consumer_avformat.c:1546:
> undefined reference to `mlt_channel_layout_channels'
> /home/joe/Videos/build/src/mlt/src/modules/avformat/consumer_avformat.c:1548:
> undefined reference to `mlt_channel_layout_default'
> filter_swresample.o: In function `configure_swr_context':
> /home/joe/Videos/build/src/mlt/src/modules/avformat/filter_swresample.c:108:
> undefined reference to `mlt_channel_layout_name'
> /home/joe/Videos/build/src/mlt/src/modules/avformat/filter_swresample.c:108:
> undefined reference to `mlt_channel_layout_name'
> filter_swresample.o: In function `filter_get_audio':
> /home/joe/Videos/build/src/mlt/src/modules/avformat/filter_swresample.c:271:
> undefined reference to `mlt_channel_layout_name'
>
> So I fell back on mlt 6.6.0, but all other versions are latest master:
>
> eigen: 3.2.4.tar.gz (MD5 4d0d77e06f)
> FFmpeg: git n3.5-dev-2636-g87455b78cc
> frei0r: git v1.6.1-9-g2479e75560
> kdenlive: git v17.12.3-26-g99f97927c3
> lame: lame-3.99.5.tar.gz (MD5 84835b313d)
> libepoxy: git 1.5.0-12-g74dbb7bac9
> liboil: liboil-0.3.17.tar.gz (MD5 47dc734f82)
> libvpx: git v1.7.0-215-g2b800d9394
> mlt: git v6.6.0
> movit: git 1.6.2
> swfdec: git de1eef41a1
> vid.stab: git v1.1.0-3-gafc8ea9fb0
> x264: git 7d0ff22e8c
> x265: x265_2.7.tar.gz (MD5 b0d7d20da2)
>
> Problem exists with those as well.
>
> Cheers,
> Johannes