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Binaural synthesis (confbridge): Adds binaural synthesis to bridge_softmix.

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Adds binaural synthesis to bridge_softmix (via convolution using libfftw3).
Binaural synthesis is conducted at 48kHz.
For a conference, only one spatial representation is rendered.
The default rendering is applied for mono-capable channels.

ASTERISK-26292

Change-Id: Iecdb381b6adc17c961049658678f6219adae1ddf
This commit is contained in:
frahaase
2016-08-12 18:23:18 +02:00
committed by George Joseph
parent 9ad1df71b3
commit 094c26aa68
21 changed files with 52186 additions and 178 deletions
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7
main/bridge.c
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@@ -3736,6 +3736,13 @@ void ast_bridge_set_mixing_interval(struct ast_bridge *bridge, unsigned int mixi
ast_bridge_unlock(bridge);
}
void ast_bridge_set_binaural_active(struct ast_bridge *bridge, unsigned int binaural_active)
{
ast_bridge_lock(bridge);
bridge->softmix.binaural_active = binaural_active;
ast_bridge_unlock(bridge);
}
void ast_bridge_set_internal_sample_rate(struct ast_bridge *bridge, unsigned int sample_rate)
{
ast_bridge_lock(bridge);