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d95870d8d3
Mostly uses the existing infrastructure, but the webrtc canceller has a fixed blocksize, so we: 1. Use the canceller blocksize if configured 2. Accumulate output data in a ringbuffer 3. Push out the data in the required chunk size
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/* PipeWire
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*
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* Copyright © 2021 Wim Taymans <wim.taymans@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <spa/utils/dict.h>
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#include <spa/param/audio/raw.h>
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#include <pipewire/properties.h>
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struct echo_cancel_info {
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const char *name;
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const struct spa_dict info;
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const char *latency;
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void *(*create) (const struct pw_properties *args, const struct spa_audio_info_raw *info);
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void (*destroy) (void *ec);
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int (*run) (void *ec, const float *rec[], const float *play[], float *out[], uint32_t n_samples);
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};
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#define echo_cancel_create(i,...) (i)->create(__VA_ARGS__)
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#define echo_cancel_destroy(i,...) (i)->destroy(__VA_ARGS__)
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#define echo_cancel_run(i,...) (i)->run(__VA_ARGS__)
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#ifdef HAVE_WEBRTC
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extern const struct echo_cancel_info *echo_cancel_webrtc;
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#endif
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extern const struct echo_cancel_info *echo_cancel_null;
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