mirror of
https://github.com/pineappleEA/pineapple-src.git
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182 lines
5.6 KiB
C++
Executable File
182 lines
5.6 KiB
C++
Executable File
/*
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* Copyright © 2016 Mozilla Foundation
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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 test. Loops input back to output and check audio
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* is flowing. */
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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 "cubeb/cubeb.h"
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#include <atomic>
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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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#define SAMPLE_FREQUENCY 48000
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#define STREAM_FORMAT CUBEB_SAMPLE_FLOAT32LE
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#define INPUT_CHANNELS 1
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#define INPUT_LAYOUT CUBEB_LAYOUT_MONO
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#define OUTPUT_CHANNELS 2
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#define OUTPUT_LAYOUT CUBEB_LAYOUT_STEREO
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struct user_state_duplex
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{
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std::atomic<int> invalid_audio_value{ 0 };
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};
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long data_cb_duplex(cubeb_stream * stream, void * user, const void * inputbuffer, void * outputbuffer, long nframes)
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{
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user_state_duplex * u = reinterpret_cast<user_state_duplex*>(user);
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float *ib = (float *)inputbuffer;
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float *ob = (float *)outputbuffer;
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if (stream == NULL || inputbuffer == NULL || outputbuffer == NULL) {
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return CUBEB_ERROR;
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}
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// Loop back: upmix the single input channel to the two output channels,
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// checking if there is noise in the process.
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long output_index = 0;
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for (long i = 0; i < nframes; i++) {
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if (ib[i] <= -1.0 || ib[i] >= 1.0) {
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u->invalid_audio_value = 1;
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break;
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}
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ob[output_index] = ob[output_index + 1] = ib[i];
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output_index += 2;
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}
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return nframes;
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}
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void state_cb_duplex(cubeb_stream * stream, void * /*user*/, cubeb_state state)
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{
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if (stream == NULL)
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return;
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switch (state) {
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case CUBEB_STATE_STARTED:
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fprintf(stderr, "stream started\n"); break;
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case CUBEB_STATE_STOPPED:
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fprintf(stderr, "stream stopped\n"); break;
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case CUBEB_STATE_DRAINED:
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fprintf(stderr, "stream drained\n"); break;
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default:
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fprintf(stderr, "unknown stream state %d\n", state);
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}
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return;
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}
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TEST(cubeb, duplex)
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{
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cubeb *ctx;
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cubeb_stream *stream;
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cubeb_stream_params input_params;
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cubeb_stream_params output_params;
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int r;
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user_state_duplex stream_state;
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uint32_t latency_frames = 0;
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r = common_init(&ctx, "Cubeb duplex example");
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ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
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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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/* This test needs an available input device, skip it if this host does not
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* have one. */
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if (!has_available_input_device(ctx)) {
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return;
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}
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/* typical user-case: mono input, stereo output, low latency. */
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input_params.format = STREAM_FORMAT;
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input_params.rate = SAMPLE_FREQUENCY;
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input_params.channels = INPUT_CHANNELS;
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input_params.layout = INPUT_LAYOUT;
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input_params.prefs = CUBEB_STREAM_PREF_NONE;
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output_params.format = STREAM_FORMAT;
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output_params.rate = SAMPLE_FREQUENCY;
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output_params.channels = OUTPUT_CHANNELS;
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output_params.layout = OUTPUT_LAYOUT;
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output_params.prefs = CUBEB_STREAM_PREF_NONE;
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r = cubeb_get_min_latency(ctx, &output_params, &latency_frames);
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ASSERT_EQ(r, CUBEB_OK) << "Could not get minimal latency";
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r = cubeb_stream_init(ctx, &stream, "Cubeb duplex",
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NULL, &input_params, NULL, &output_params,
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latency_frames, data_cb_duplex, state_cb_duplex, &stream_state);
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ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
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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(500);
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cubeb_stream_stop(stream);
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ASSERT_FALSE(stream_state.invalid_audio_value.load());
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}
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void device_collection_changed_callback(cubeb * context, void * user)
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{
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fprintf(stderr, "collection changed callback\n");
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ASSERT_TRUE(false) << "Error: device collection changed callback"
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" called when opening a stream";
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}
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TEST(cubeb, duplex_collection_change)
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{
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cubeb *ctx;
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cubeb_stream *stream;
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cubeb_stream_params input_params;
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cubeb_stream_params output_params;
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int r;
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uint32_t latency_frames = 0;
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r = common_init(&ctx, "Cubeb duplex example with collection change");
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ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
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r = cubeb_register_device_collection_changed(ctx,
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static_cast<cubeb_device_type>(CUBEB_DEVICE_TYPE_INPUT),
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device_collection_changed_callback,
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nullptr);
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ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
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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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/* typical user-case: mono input, stereo output, low latency. */
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input_params.format = STREAM_FORMAT;
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input_params.rate = SAMPLE_FREQUENCY;
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input_params.channels = INPUT_CHANNELS;
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input_params.layout = INPUT_LAYOUT;
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input_params.prefs = CUBEB_STREAM_PREF_NONE;
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output_params.format = STREAM_FORMAT;
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output_params.rate = SAMPLE_FREQUENCY;
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output_params.channels = OUTPUT_CHANNELS;
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output_params.layout = OUTPUT_LAYOUT;
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output_params.prefs = CUBEB_STREAM_PREF_NONE;
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r = cubeb_get_min_latency(ctx, &output_params, &latency_frames);
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ASSERT_EQ(r, CUBEB_OK) << "Could not get minimal latency";
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r = cubeb_stream_init(ctx, &stream, "Cubeb duplex",
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NULL, &input_params, NULL, &output_params,
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latency_frames, data_cb_duplex, state_cb_duplex, nullptr);
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ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
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cubeb_stream_destroy(stream);
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}
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