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channelmix: make up/downmix levels configurable

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Add channelmix.center-level, channelmix.surround-level and
channelmix.lfe-level to control how center, surround and LFE is
up/downmixed.

Fixes #5198
This commit is contained in:
Wim Taymans 2026-03-30 17:50:48 +02:00
parent 03f894bab0
commit 18c97222c4
12 changed files with 119 additions and 25 deletions
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4
spa/plugins/audioconvert/test-channelmix.c
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@ -45,7 +45,7 @@ static void test_mix(uint32_t src_chan, uint32_t src_mask, uint32_t dst_chan, ui
spa_log_debug(&logger.log, "start %d->%d (%08x -> %08x)", src_chan, dst_chan, src_mask, dst_mask);
spa_zero(mix);
channelmix_reset(&mix);
mix.options = options;
mix.src_chan = src_chan;
mix.dst_chan = dst_chan;
@ -340,7 +340,7 @@ static void test_n_m_impl(void)
src[i] = src_data[i];
}
spa_zero(mix);
channelmix_reset(&mix);
mix.src_chan = 16;
mix.dst_chan = 12;
mix.log = &logger.log;