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channelmix: use the right channelmap

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For merger setup (consuming a source) we want to expose the channelmap
of the remixed signal (to the application/sink).
For splitter setup (providing data) we want to expose the channelmap
of the original source (before remixing to sink).

Hide the merge channel props because they contain the channelmap before
mising and we want to expose the remixed signal in merger mode.

This fixes some weird volume issues when an input stream is linked
to a source and is remixing, like when a stereo stream is captured
from a mono source.
This commit is contained in:
Wim Taymans 2022-02-22 18:20:07 +01:00
parent 0b7da17083
commit ac25d126de
2 changed files with 13 additions and 2 deletions
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4
spa/plugins/audioconvert/merger.c
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@ -386,10 +386,13 @@ static int impl_node_enum_params(void *object, int seq,
case SPA_PARAM_Props:
{
#if 0
struct props *p = &this->props;
struct spa_pod_frame f[2];
#endif
switch (result.index) {
#if 0
case 0:
spa_pod_builder_push_object(&b, &f[0],
SPA_TYPE_OBJECT_Props, id);
@ -422,6 +425,7 @@ static int impl_node_enum_params(void *object, int seq,
spa_pod_builder_pop(&b, &f[1]);
param = spa_pod_builder_pop(&b, &f[0]);
break;
#endif
default:
return 0;
}