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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /third_party/rust/cubeb-sys/libcubeb/test/test_tone.cpp | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/cubeb-sys/libcubeb/test/test_tone.cpp')
-rw-r--r-- | third_party/rust/cubeb-sys/libcubeb/test/test_tone.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/third_party/rust/cubeb-sys/libcubeb/test/test_tone.cpp b/third_party/rust/cubeb-sys/libcubeb/test/test_tone.cpp new file mode 100644 index 0000000000..70a71885e6 --- /dev/null +++ b/third_party/rust/cubeb-sys/libcubeb/test/test_tone.cpp @@ -0,0 +1,121 @@ +/* + * Copyright © 2011 Mozilla Foundation + * + * This program is made available under an ISC-style license. See the + * accompanying file LICENSE for details. + */ + +/* libcubeb api/function test. Plays a simple tone. */ +#include "gtest/gtest.h" +#if !defined(_XOPEN_SOURCE) +#define _XOPEN_SOURCE 600 +#endif +#include <stdio.h> +#include <stdlib.h> +#include <math.h> +#include <memory> +#include <limits.h> +#include "cubeb/cubeb.h" +#include <atomic> + +//#define ENABLE_NORMAL_LOG +//#define ENABLE_VERBOSE_LOG +#include "common.h" + + +#define SAMPLE_FREQUENCY 48000 +#define STREAM_FORMAT CUBEB_SAMPLE_S16LE + +/* store the phase of the generated waveform */ +struct cb_user_data { + std::atomic<long> position; +}; + +long data_cb_tone(cubeb_stream *stream, void *user, const void* /*inputbuffer*/, void *outputbuffer, long nframes) +{ + struct cb_user_data *u = (struct cb_user_data *)user; + short *b = (short *)outputbuffer; + float t1, t2; + int i; + + if (stream == NULL || u == NULL) + return CUBEB_ERROR; + + /* generate our test tone on the fly */ + for (i = 0; i < nframes; i++) { + /* North American dial tone */ + t1 = sin(2*M_PI*(i + u->position)*350/SAMPLE_FREQUENCY); + t2 = sin(2*M_PI*(i + u->position)*440/SAMPLE_FREQUENCY); + b[i] = (SHRT_MAX / 2) * t1; + b[i] += (SHRT_MAX / 2) * t2; + /* European dial tone */ + /* + t1 = sin(2*M_PI*(i + u->position)*425/SAMPLE_FREQUENCY); + b[i] = SHRT_MAX * t1; + */ + } + /* remember our phase to avoid clicking on buffer transitions */ + /* we'll still click if position overflows */ + u->position += nframes; + + return nframes; +} + +void state_cb_tone(cubeb_stream *stream, void *user, cubeb_state state) +{ + struct cb_user_data *u = (struct cb_user_data *)user; + + if (stream == NULL || u == NULL) + return; + + switch (state) { + case CUBEB_STATE_STARTED: + fprintf(stderr, "stream started\n"); break; + case CUBEB_STATE_STOPPED: + fprintf(stderr, "stream stopped\n"); break; + case CUBEB_STATE_DRAINED: + fprintf(stderr, "stream drained\n"); break; + default: + fprintf(stderr, "unknown stream state %d\n", state); + } + + return; +} + +TEST(cubeb, tone) +{ + cubeb *ctx; + cubeb_stream *stream; + cubeb_stream_params params; + int r; + + r = common_init(&ctx, "Cubeb tone example"); + ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library"; + + std::unique_ptr<cubeb, decltype(&cubeb_destroy)> + cleanup_cubeb_at_exit(ctx, cubeb_destroy); + + params.format = STREAM_FORMAT; + params.rate = SAMPLE_FREQUENCY; + params.channels = 1; + params.layout = CUBEB_LAYOUT_MONO; + params.prefs = CUBEB_STREAM_PREF_NONE; + + std::unique_ptr<cb_user_data> user_data(new cb_user_data()); + ASSERT_TRUE(!!user_data) << "Error allocating user data"; + + user_data->position = 0; + + r = cubeb_stream_init(ctx, &stream, "Cubeb tone (mono)", NULL, NULL, NULL, ¶ms, + 4096, data_cb_tone, state_cb_tone, user_data.get()); + ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream"; + + std::unique_ptr<cubeb_stream, decltype(&cubeb_stream_destroy)> + cleanup_stream_at_exit(stream, cubeb_stream_destroy); + + cubeb_stream_start(stream); + delay(5000); + cubeb_stream_stop(stream); + + ASSERT_TRUE(user_data->position.load()); +} |