mirror of
https://github.com/pineappleEA/pineapple-src.git
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245 lines
6.1 KiB
C++
Executable File
245 lines
6.1 KiB
C++
Executable File
/*
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* Copyright © 2013 Sebastien Alaiwan <sebastien.alaiwan@gmail.com>
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*
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* This program is made available under an ISC-style license. See the
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* accompanying file LICENSE for details.
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*/
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/* libcubeb api/function exhaustive test. Plays a series of tones in different
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* conditions. */
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#include "gtest/gtest.h"
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#if !defined(_XOPEN_SOURCE)
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#define _XOPEN_SOURCE 600
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <memory>
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#include <string.h>
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#include "cubeb/cubeb.h"
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#include <string>
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//#define ENABLE_NORMAL_LOG
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//#define ENABLE_VERBOSE_LOG
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#include "common.h"
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using namespace std;
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#define MAX_NUM_CHANNELS 32
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#if !defined(M_PI)
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#define M_PI 3.14159265358979323846
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#endif
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#define VOLUME 0.2
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float get_frequency(int channel_index)
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{
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return 220.0f * (channel_index+1);
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}
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template<typename T> T ConvertSample(double input);
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template<> float ConvertSample(double input) { return input; }
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template<> short ConvertSample(double input) { return short(input * 32767.0f); }
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/* store the phase of the generated waveform */
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struct synth_state {
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synth_state(int num_channels_, float sample_rate_)
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: num_channels(num_channels_),
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sample_rate(sample_rate_)
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{
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for(int i=0;i < MAX_NUM_CHANNELS;++i)
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phase[i] = 0.0f;
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}
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template<typename T>
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void run(T* audiobuffer, long nframes)
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{
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for(int c=0;c < num_channels;++c) {
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float freq = get_frequency(c);
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float phase_inc = 2.0 * M_PI * freq / sample_rate;
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for(long n=0;n < nframes;++n) {
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audiobuffer[n*num_channels+c] = ConvertSample<T>(sin(phase[c]) * VOLUME);
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phase[c] += phase_inc;
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}
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}
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}
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private:
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int num_channels;
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float phase[MAX_NUM_CHANNELS];
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float sample_rate;
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};
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template<typename T>
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long data_cb(cubeb_stream * /*stream*/, void * user, const void * /*inputbuffer*/, void * outputbuffer, long nframes)
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{
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synth_state *synth = (synth_state *)user;
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synth->run((T*)outputbuffer, nframes);
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return nframes;
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}
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void state_cb_audio(cubeb_stream * /*stream*/, void * /*user*/, cubeb_state /*state*/)
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{
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}
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/* Our android backends don't support float, only int16. */
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int supports_float32(string backend_id)
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{
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return backend_id != "opensl"
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&& backend_id != "audiotrack";
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}
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/* Some backends don't have code to deal with more than mono or stereo. */
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int supports_channel_count(string backend_id, int nchannels)
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{
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return nchannels <= 2 ||
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(backend_id != "opensl" && backend_id != "audiotrack");
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}
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int run_test(int num_channels, int sampling_rate, int is_float)
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{
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int r = CUBEB_OK;
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cubeb *ctx = NULL;
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r = common_init(&ctx, "Cubeb audio test: channels");
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if (r != CUBEB_OK) {
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fprintf(stderr, "Error initializing cubeb library\n");
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return r;
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}
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std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
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cleanup_cubeb_at_exit(ctx, cubeb_destroy);
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const char * backend_id = cubeb_get_backend_id(ctx);
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if ((is_float && !supports_float32(backend_id)) ||
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!supports_channel_count(backend_id, num_channels)) {
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/* don't treat this as a test failure. */
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return CUBEB_OK;
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}
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fprintf(stderr, "Testing %d channel(s), %d Hz, %s (%s)\n", num_channels, sampling_rate, is_float ? "float" : "short", cubeb_get_backend_id(ctx));
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cubeb_stream_params params;
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params.format = is_float ? CUBEB_SAMPLE_FLOAT32NE : CUBEB_SAMPLE_S16NE;
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params.rate = sampling_rate;
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params.channels = num_channels;
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params.layout = CUBEB_LAYOUT_UNDEFINED;
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params.prefs = CUBEB_STREAM_PREF_NONE;
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synth_state synth(params.channels, params.rate);
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cubeb_stream *stream = NULL;
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r = cubeb_stream_init(ctx, &stream, "test tone", NULL, NULL, NULL, ¶ms,
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4096, is_float ? &data_cb<float> : &data_cb<short>, state_cb_audio, &synth);
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if (r != CUBEB_OK) {
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fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
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return r;
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}
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std::unique_ptr<cubeb_stream, decltype(&cubeb_stream_destroy)>
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cleanup_stream_at_exit(stream, cubeb_stream_destroy);
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cubeb_stream_start(stream);
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delay(200);
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cubeb_stream_stop(stream);
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return r;
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}
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int run_volume_test(int is_float)
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{
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int r = CUBEB_OK;
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cubeb *ctx = NULL;
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r = common_init(&ctx, "Cubeb audio test");
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if (r != CUBEB_OK) {
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fprintf(stderr, "Error initializing cubeb library\n");
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return r;
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}
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std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
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cleanup_cubeb_at_exit(ctx, cubeb_destroy);
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const char * backend_id = cubeb_get_backend_id(ctx);
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if ((is_float && !supports_float32(backend_id))) {
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/* don't treat this as a test failure. */
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return CUBEB_OK;
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}
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cubeb_stream_params params;
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params.format = is_float ? CUBEB_SAMPLE_FLOAT32NE : CUBEB_SAMPLE_S16NE;
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params.rate = 44100;
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params.channels = 2;
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params.layout = CUBEB_LAYOUT_STEREO;
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params.prefs = CUBEB_STREAM_PREF_NONE;
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synth_state synth(params.channels, params.rate);
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cubeb_stream *stream = NULL;
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r = cubeb_stream_init(ctx, &stream, "test tone", NULL, NULL, NULL, ¶ms,
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4096, is_float ? &data_cb<float> : &data_cb<short>,
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state_cb_audio, &synth);
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if (r != CUBEB_OK) {
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fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
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return r;
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}
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std::unique_ptr<cubeb_stream, decltype(&cubeb_stream_destroy)>
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cleanup_stream_at_exit(stream, cubeb_stream_destroy);
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fprintf(stderr, "Testing: volume\n");
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for(int i=0;i <= 4; ++i)
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{
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fprintf(stderr, "Volume: %d%%\n", i*25);
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cubeb_stream_set_volume(stream, i/4.0f);
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cubeb_stream_start(stream);
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delay(400);
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cubeb_stream_stop(stream);
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delay(100);
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}
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return r;
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}
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TEST(cubeb, run_volume_test_short)
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{
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ASSERT_EQ(run_volume_test(0), CUBEB_OK);
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}
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TEST(cubeb, run_volume_test_float)
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{
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ASSERT_EQ(run_volume_test(1), CUBEB_OK);
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}
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TEST(cubeb, run_channel_rate_test)
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{
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unsigned int channel_values[] = {
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1,
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2,
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3,
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4,
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6,
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};
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int freq_values[] = {
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16000,
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24000,
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44100,
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48000,
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};
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for(auto channels : channel_values) {
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for(auto freq : freq_values) {
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ASSERT_TRUE(channels < MAX_NUM_CHANNELS);
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fprintf(stderr, "--------------------------\n");
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ASSERT_EQ(run_test(channels, freq, 0), CUBEB_OK);
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ASSERT_EQ(run_test(channels, freq, 1), CUBEB_OK);
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}
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}
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}
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