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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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apps/app_confbridge.c
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@@ -1475,6 +1475,7 @@ static struct confbridge_conference *join_conference_bridge(const char *conferen
ast_bridge_set_internal_sample_rate(conference->bridge, conference->b_profile.internal_sample_rate);
/* Set the internal mixing interval on the bridge from the bridge profile */
ast_bridge_set_mixing_interval(conference->bridge, conference->b_profile.mix_interval);
ast_bridge_set_binaural_active(conference->bridge, ast_test_flag(&conference->b_profile, BRIDGE_OPT_BINAURAL_ACTIVE));
if (ast_test_flag(&conference->b_profile, BRIDGE_OPT_VIDEO_SRC_FOLLOW_TALKER)) {
ast_bridge_set_talker_src_video_mode(conference->bridge);