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audioconvert: skip upmix when moving channels

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When we use SIDE for REAR, don't try to upmix REAR channels and vice
versa.
This commit is contained in:
Wim Taymans 2022-11-09 09:22:13 +01:00
parent bb24c8545d
commit 25e3144887
1 changed files with 2 additions and 0 deletions
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2
spa/plugins/audioconvert/channelmix-ops.c
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@ -311,6 +311,7 @@ static int make_matrix(struct channelmix *mix)
_MATRIX(SL,RL) += 1.0f;
_MATRIX(SR,RR) += 1.0f;
}
keep &= ~SIDE;
} else if (dst_mask & STEREO) {
spa_log_debug(mix->log, "assign RL+RR to FL+FR (%f)", slev);
if (matrix_encoding == MATRIX_DOLBY) {
@ -348,6 +349,7 @@ static int make_matrix(struct channelmix *mix)
_MATRIX(RL,SL) += 1.0f;
_MATRIX(RR,SR) += 1.0f;
}
keep &= ~REAR;
} else if (dst_mask & _MASK(RC)) {
spa_log_debug(mix->log, "assign SL+SR to RC (%f)", SQRT1_2);
_MATRIX(RC,SL)+= SQRT1_2;