mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 11:18:24 -05:00
182 lines
5.6 KiB
C++
Executable File
182 lines
5.6 KiB
C++
Executable File
/*
|
|
* Copyright © 2016 Mozilla Foundation
|
|
*
|
|
* This program is made available under an ISC-style license. See the
|
|
* accompanying file LICENSE for details.
|
|
*/
|
|
|
|
/* libcubeb api/function test. Loops input back to output and check audio
|
|
* is flowing. */
|
|
#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 "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_FLOAT32LE
|
|
#define INPUT_CHANNELS 1
|
|
#define INPUT_LAYOUT CUBEB_LAYOUT_MONO
|
|
#define OUTPUT_CHANNELS 2
|
|
#define OUTPUT_LAYOUT CUBEB_LAYOUT_STEREO
|
|
|
|
struct user_state_duplex
|
|
{
|
|
std::atomic<int> invalid_audio_value{ 0 };
|
|
};
|
|
|
|
long data_cb_duplex(cubeb_stream * stream, void * user, const void * inputbuffer, void * outputbuffer, long nframes)
|
|
{
|
|
user_state_duplex * u = reinterpret_cast<user_state_duplex*>(user);
|
|
float *ib = (float *)inputbuffer;
|
|
float *ob = (float *)outputbuffer;
|
|
|
|
if (stream == NULL || inputbuffer == NULL || outputbuffer == NULL) {
|
|
return CUBEB_ERROR;
|
|
}
|
|
|
|
// Loop back: upmix the single input channel to the two output channels,
|
|
// checking if there is noise in the process.
|
|
long output_index = 0;
|
|
for (long i = 0; i < nframes; i++) {
|
|
if (ib[i] <= -1.0 || ib[i] >= 1.0) {
|
|
u->invalid_audio_value = 1;
|
|
break;
|
|
}
|
|
ob[output_index] = ob[output_index + 1] = ib[i];
|
|
output_index += 2;
|
|
}
|
|
|
|
return nframes;
|
|
}
|
|
|
|
void state_cb_duplex(cubeb_stream * stream, void * /*user*/, cubeb_state state)
|
|
{
|
|
if (stream == 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, duplex)
|
|
{
|
|
cubeb *ctx;
|
|
cubeb_stream *stream;
|
|
cubeb_stream_params input_params;
|
|
cubeb_stream_params output_params;
|
|
int r;
|
|
user_state_duplex stream_state;
|
|
uint32_t latency_frames = 0;
|
|
|
|
r = common_init(&ctx, "Cubeb duplex example");
|
|
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
|
|
|
|
std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
|
|
cleanup_cubeb_at_exit(ctx, cubeb_destroy);
|
|
|
|
/* This test needs an available input device, skip it if this host does not
|
|
* have one. */
|
|
if (!has_available_input_device(ctx)) {
|
|
return;
|
|
}
|
|
|
|
/* typical user-case: mono input, stereo output, low latency. */
|
|
input_params.format = STREAM_FORMAT;
|
|
input_params.rate = SAMPLE_FREQUENCY;
|
|
input_params.channels = INPUT_CHANNELS;
|
|
input_params.layout = INPUT_LAYOUT;
|
|
input_params.prefs = CUBEB_STREAM_PREF_NONE;
|
|
output_params.format = STREAM_FORMAT;
|
|
output_params.rate = SAMPLE_FREQUENCY;
|
|
output_params.channels = OUTPUT_CHANNELS;
|
|
output_params.layout = OUTPUT_LAYOUT;
|
|
output_params.prefs = CUBEB_STREAM_PREF_NONE;
|
|
|
|
r = cubeb_get_min_latency(ctx, &output_params, &latency_frames);
|
|
ASSERT_EQ(r, CUBEB_OK) << "Could not get minimal latency";
|
|
|
|
r = cubeb_stream_init(ctx, &stream, "Cubeb duplex",
|
|
NULL, &input_params, NULL, &output_params,
|
|
latency_frames, data_cb_duplex, state_cb_duplex, &stream_state);
|
|
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(500);
|
|
cubeb_stream_stop(stream);
|
|
|
|
ASSERT_FALSE(stream_state.invalid_audio_value.load());
|
|
}
|
|
|
|
void device_collection_changed_callback(cubeb * context, void * user)
|
|
{
|
|
fprintf(stderr, "collection changed callback\n");
|
|
ASSERT_TRUE(false) << "Error: device collection changed callback"
|
|
" called when opening a stream";
|
|
}
|
|
|
|
TEST(cubeb, duplex_collection_change)
|
|
{
|
|
cubeb *ctx;
|
|
cubeb_stream *stream;
|
|
cubeb_stream_params input_params;
|
|
cubeb_stream_params output_params;
|
|
int r;
|
|
uint32_t latency_frames = 0;
|
|
|
|
r = common_init(&ctx, "Cubeb duplex example with collection change");
|
|
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb library";
|
|
|
|
r = cubeb_register_device_collection_changed(ctx,
|
|
static_cast<cubeb_device_type>(CUBEB_DEVICE_TYPE_INPUT),
|
|
device_collection_changed_callback,
|
|
nullptr);
|
|
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
|
|
|
|
std::unique_ptr<cubeb, decltype(&cubeb_destroy)>
|
|
cleanup_cubeb_at_exit(ctx, cubeb_destroy);
|
|
|
|
/* typical user-case: mono input, stereo output, low latency. */
|
|
input_params.format = STREAM_FORMAT;
|
|
input_params.rate = SAMPLE_FREQUENCY;
|
|
input_params.channels = INPUT_CHANNELS;
|
|
input_params.layout = INPUT_LAYOUT;
|
|
input_params.prefs = CUBEB_STREAM_PREF_NONE;
|
|
output_params.format = STREAM_FORMAT;
|
|
output_params.rate = SAMPLE_FREQUENCY;
|
|
output_params.channels = OUTPUT_CHANNELS;
|
|
output_params.layout = OUTPUT_LAYOUT;
|
|
output_params.prefs = CUBEB_STREAM_PREF_NONE;
|
|
|
|
r = cubeb_get_min_latency(ctx, &output_params, &latency_frames);
|
|
ASSERT_EQ(r, CUBEB_OK) << "Could not get minimal latency";
|
|
|
|
r = cubeb_stream_init(ctx, &stream, "Cubeb duplex",
|
|
NULL, &input_params, NULL, &output_params,
|
|
latency_frames, data_cb_duplex, state_cb_duplex, nullptr);
|
|
ASSERT_EQ(r, CUBEB_OK) << "Error initializing cubeb stream";
|
|
cubeb_stream_destroy(stream);
|
|
}
|