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/* pcm_out_test.c
**
** Copyright 2020, The Android Open Source Project
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** * Neither the name of The Android Open Source Project nor the names of
** its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY The Android Open Source Project ``AS IS'' AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
** ARE DISCLAIMED. IN NO EVENT SHALL The Android Open Source Project BE LIABLE
** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
** DAMAGE.
*/
#include <string>
#include <iostream>
#include <gtest/gtest.h>
#include "tinyalsa/pcm.h"
namespace tinyalsa {
namespace testing {
TEST(PcmTest, FormatToBits) {
// FIXME: Should we return 16 bits for INVALID?
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_INVALID), 16);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S16_LE), 16);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S32_LE), 32);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S8), 8);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S24_LE), 32);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S24_3LE), 24);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S16_BE), 16);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S24_BE), 32);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S24_3BE), 24);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_S32_BE), 32);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_FLOAT_LE), 32);
ASSERT_EQ(pcm_format_to_bits(PCM_FORMAT_FLOAT_BE), 32);
}
TEST(PcmTest, OpenAndCloseOutPcm) {
static constexpr unsigned int kDefaultChannels = 2;
static constexpr unsigned int kDefaultSamplingRate = 48000;
static constexpr unsigned int kDefaultPeriodSize = 1024;
static constexpr unsigned int kDefaultPeriodCount = 3;
static constexpr pcm_config kDefaultConfig = {
.channels = kDefaultChannels,
.rate = kDefaultSamplingRate,
.period_size = kDefaultPeriodSize,
.period_count = kDefaultPeriodCount,
.format = PCM_FORMAT_S16_LE,
.start_threshold = kDefaultPeriodSize,
.stop_threshold = kDefaultPeriodSize * kDefaultPeriodCount,
.silence_threshold = 0,
.silence_size = 0,
};
pcm *pcm_object = pcm_open(1000, 1000, PCM_OUT, &kDefaultConfig);
ASSERT_FALSE(pcm_is_ready(pcm_object));
ASSERT_EQ(pcm_close(pcm_object), 0);
// assume card 0, device 0 is always available
pcm_object = pcm_open(0, 0, PCM_OUT, &kDefaultConfig);
ASSERT_TRUE(pcm_is_ready(pcm_object));
ASSERT_EQ(pcm_close(pcm_object), 0);
pcm_object = pcm_open(0, 0, PCM_OUT | PCM_MMAP, &kDefaultConfig);
ASSERT_TRUE(pcm_is_ready(pcm_object));
ASSERT_EQ(pcm_close(pcm_object), 0);
pcm_object = pcm_open(0, 0, PCM_OUT | PCM_MMAP | PCM_NOIRQ, &kDefaultConfig);
ASSERT_TRUE(pcm_is_ready(pcm_object));
ASSERT_EQ(pcm_close(pcm_object), 0);
pcm_object = pcm_open(0, 0, PCM_OUT | PCM_NONBLOCK, &kDefaultConfig);
ASSERT_TRUE(pcm_is_ready(pcm_object));
ASSERT_EQ(pcm_close(pcm_object), 0);
pcm_object = pcm_open(0, 0, PCM_OUT | PCM_MONOTONIC, &kDefaultConfig);
ASSERT_TRUE(pcm_is_ready(pcm_object));
ASSERT_EQ(pcm_close(pcm_object), 0);
std::string name = "hw:0,0";
pcm_object = pcm_open_by_name(name.c_str(), PCM_OUT, &kDefaultConfig);
ASSERT_TRUE(pcm_is_ready(pcm_object));
ASSERT_EQ(pcm_close(pcm_object), 0);
}
} // namespace testing
} // namespace tinyalsa
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