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This API will be used by the aout, and could be used by any visualisation
module needing audio measurements.

This API allows to create "audio meter" filters plugins. This new type of
filter is measuring audio blocks without modifying them and send the
measurement via audio filters callbacks. These events are then propagated to
vlc_audio_meter events.

Gather all use-case of time_get through a single function, allowing to
add debugging information in an easier way.

This new fourcc should only by used for audio output and filters. Decoder,
packetizers, and demuxers should not set it (but use PROFILE_DTS_* instead).

This should fix historical aliasing issues.

Like said in the documentation.

This callback is not mandatory. If it is NULL, the core will wait for the delay
returned by time_get(). This was already the case for most aout plugins:
PulseAudio, coreaudio, Android, DirectSound, Wasapi, and Jack.

Rémi Denis-Courmont authored May 04, 2018 and Thomas Guillem committed Mar 11, 2019

Signed-off-by: Thomas Guillem <thomas@gllm.fr>

This new function replace the private aout_ChangeFilterString() function with
some simplifications:

 - Remove the variable argument since this function is always used for
   "audio-filter".
 - Remove the manager argument since the aout is created from the playlist and
   is constant.

The lua "mdate" remains the same.

Keep a copy of vlc_tick_tfor backward compatibility.

This reverts commit 366cb776.

Romain Vimont authored Apr 23, 2018 and Jean-Baptiste Kempf committed Apr 26, 2018

See #17078
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Kamil Rytarowski authored Feb 26, 2018 and Rémi Denis-Courmont committed Feb 26, 2018

This removes conflicts with the NetBSD headers and libc.
The conflicts caused fatal build errors.

No functional change intended for other Operating Systems.
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

Can be used to remix all input channels into one.

This is now a one-liner. Expansion helps readability/high-lighting.

Lyndon Brown authored May 24, 2017 and Jean-Baptiste Kempf committed Nov 24, 2017

Left over from 8d73a4d7

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

This new struct can be filled from the start() function of aout modules.
It contains (for now) only one member: the headphones state.

Adrien Maglo authored Mar 16, 2017 and Thomas Guillem committed Jul 19, 2017

Signed-off-by: Thomas Guillem <thomas@gllm.fr>