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/*
* Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
// Unit tests for FilePlayer.
#include "webrtc/modules/utility/include/file_player.h"
#include <stdio.h>
#include <string>
#include "gflags/gflags.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "webrtc/base/md5digest.h"
#include "webrtc/base/stringencode.h"
#include "webrtc/test/testsupport/fileutils.h"
DEFINE_bool(file_player_output, false, "Generate reference files.");
namespace webrtc {
class FilePlayerTest : public ::testing::Test {
protected:
static const uint32_t kId = 0;
static const FileFormats kFileFormat = kFileFormatWavFile;
static const int kSampleRateHz = 8000;
FilePlayerTest()
: player_(FilePlayer::CreateFilePlayer(kId, kFileFormat)),
output_file_(NULL) {}
void SetUp() override {
if (FLAGS_file_player_output) {
std::string output_file =
webrtc::test::OutputPath() + "file_player_unittest_out.pcm";
output_file_ = fopen(output_file.c_str(), "wb");
ASSERT_TRUE(output_file_ != NULL);
}
}
void TearDown() override {
if (output_file_)
fclose(output_file_);
}
~FilePlayerTest() { FilePlayer::DestroyFilePlayer(player_); }
void PlayFileAndCheck(const std::string& input_file,
const std::string& ref_checksum,
int output_length_ms) {
const float kScaling = 1;
ASSERT_EQ(0,
player_->StartPlayingFile(
input_file.c_str(), false, 0, kScaling, 0, 0, NULL));
rtc::Md5Digest checksum;
for (int i = 0; i < output_length_ms / 10; ++i) {
int16_t out[10 * kSampleRateHz / 1000] = {0};
size_t num_samples;
EXPECT_EQ(0,
player_->Get10msAudioFromFile(out, num_samples, kSampleRateHz));
checksum.Update(out, num_samples * sizeof(out[0]));
if (FLAGS_file_player_output) {
ASSERT_EQ(num_samples,
fwrite(out, sizeof(out[0]), num_samples, output_file_));
}
}
char checksum_result[rtc::Md5Digest::kSize];
EXPECT_EQ(rtc::Md5Digest::kSize,
checksum.Finish(checksum_result, rtc::Md5Digest::kSize));
EXPECT_EQ(ref_checksum,
rtc::hex_encode(checksum_result, sizeof(checksum_result)));
}
FilePlayer* player_;
FILE* output_file_;
};
#if defined(WEBRTC_IOS)
#define MAYBE_PlayWavPcmuFile DISABLED_PlayWavPcmuFile
#else
#define MAYBE_PlayWavPcmuFile PlayWavPcmuFile
#endif
TEST_F(FilePlayerTest, MAYBE_PlayWavPcmuFile) {
const std::string kFileName =
test::ResourcePath("utility/encapsulated_pcmu_8khz", "wav");
// The file is longer than this, but keeping the output shorter limits the
// runtime for the test.
const int kOutputLengthMs = 10000;
const std::string kRefChecksum = "c74e7fd432d439b1311e1c16815b3e9a";
PlayFileAndCheck(kFileName, kRefChecksum, kOutputLengthMs);
}
#if defined(WEBRTC_IOS)
#define MAYBE_PlayWavPcm16File DISABLED_PlayWavPcm16File
#else
#define MAYBE_PlayWavPcm16File PlayWavPcm16File
#endif
TEST_F(FilePlayerTest, MAYBE_PlayWavPcm16File) {
const std::string kFileName =
test::ResourcePath("utility/encapsulated_pcm16b_8khz", "wav");
// The file is longer than this, but keeping the output shorter limits the
// runtime for the test.
const int kOutputLengthMs = 10000;
const std::string kRefChecksum = "e41d7e1dac8aeae9f21e8e03cd7ecd71";
PlayFileAndCheck(kFileName, kRefChecksum, kOutputLengthMs);
}
} // namespace webrtc
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