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channelmix: produce STEREO from FC

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Make it possible to produce STEREO from FC.
This commit is contained in:
Wim Taymans 2022-08-11 09:35:54 +02:00
parent b03b57c77a
commit da9868594d
1 changed files with 9 additions and 0 deletions
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9
spa/plugins/audioconvert/channelmix-ops.c
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@ -399,6 +399,15 @@ static int make_matrix(struct channelmix *mix)
spa_log_debug(mix->log, "unassigned upmix %08"PRIx64" lfe:%f",
unassigned, mix->lfe_cutoff);
if (unassigned & STEREO) {
if ((src_mask & FRONT) == FRONT) {
spa_log_debug(mix->log, "produce STEREO from FC");
_MATRIX(FL,FC) += clev;
_MATRIX(FR,FC) += clev;
} else {
spa_log_warn(mix->log, "can't produce STEREO");
}
}
if (unassigned & FRONT) {
if ((src_mask & STEREO) == STEREO) {
spa_log_debug(mix->log, "produce FC from STEREO");