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https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
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51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
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/***
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Copyright 2012 Peter Meerwald <p.meerwald@bct-electronic.com>
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <pulse/cdecl.h>
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PA_C_DECL_BEGIN
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#include <pulsecore/core-util.h>
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#include <pulsecore/modargs.h>
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#include "echo-cancel.h"
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PA_C_DECL_END
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pa_bool_t pa_null_ec_init(pa_core *c, pa_echo_canceller *ec,
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pa_sample_spec *source_ss, pa_channel_map *source_map,
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pa_sample_spec *sink_ss, pa_channel_map *sink_map,
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uint32_t *blocksize, const char *args) {
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unsigned framelen = 256;
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source_ss->format = PA_SAMPLE_S16NE;
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*sink_ss = *source_ss;
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*sink_map = *source_map;
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*blocksize = framelen * pa_frame_size(source_ss);
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pa_log_debug("null AEC: framelen %u, blocksize %u, channels %d, rate %d", framelen, *blocksize, source_ss->channels, source_ss->rate);
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return TRUE;
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}
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void pa_null_ec_run(pa_echo_canceller *ec, const uint8_t *rec, const uint8_t *play, uint8_t *out) {
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memcpy(out, rec, 256 * 2);
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}
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void pa_null_ec_done(pa_echo_canceller *ec) {
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}
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