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e001cc1424
This moves over setup code for the loopback latency test into a private library so that we can easily write more tests using the same framework.
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2013 Collabora Ltd.
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Author: Arun Raghavan <arun.raghavan@collabora.co.uk>
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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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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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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/pulseaudio.h>
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typedef struct pa_lo_test_context {
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/* Tests need to set these */
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const char *context_name;
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pa_sample_spec sample_spec;
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int play_latency; /* ms */
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int rec_latency; /* ms */
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pa_stream_request_cb_t write_cb, read_cb;
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/* These are set by lo_test_init() */
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pa_mainloop *mainloop;
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pa_context *context;
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pa_stream *play_stream, *rec_stream;
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int ss, fs; /* sample size, frame size for convenience */
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} pa_lo_test_context;
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/* Initialise the test parameters, connect */
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int pa_lo_test_init(pa_lo_test_context *ctx);
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/* Start running the test */
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int pa_lo_test_run(pa_lo_test_context *ctx);
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/* Clean up */
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void pa_lo_test_deinit(pa_lo_test_context *ctx);
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/* Return RMS for the given signal. Assumes the data is a single channel for
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* simplicity */
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float pa_rms(const float *s, int n);
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