ACM: Change test output files from PCM to WAV

webrtc/modules/audio_coding/acm2/audio_coding_module_unittest.cc

 /*
  *  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.
  */
 
@@ skipping 17 matching lines @@
 #include "webrtc/modules/audio_coding/codecs/mock/mock_audio_encoder.h"
 #include "webrtc/modules/audio_coding/include/audio_coding_module.h"
 #include "webrtc/modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "webrtc/modules/audio_coding/neteq/audio_decoder_impl.h"
 #include "webrtc/modules/audio_coding/neteq/mock/mock_audio_decoder.h"
 #include "webrtc/modules/audio_coding/neteq/tools/audio_checksum.h"
 #include "webrtc/modules/audio_coding/neteq/tools/audio_loop.h"
 #include "webrtc/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h"
 #include "webrtc/modules/audio_coding/neteq/tools/input_audio_file.h"
 #include "webrtc/modules/audio_coding/neteq/tools/output_audio_file.h"
+#include "webrtc/modules/audio_coding/neteq/tools/output_wav_file.h"
 #include "webrtc/modules/audio_coding/neteq/tools/packet.h"
 #include "webrtc/modules/audio_coding/neteq/tools/rtp_file_source.h"
 #include "webrtc/modules/include/module_common_types.h"
 #include "webrtc/system_wrappers/include/clock.h"
 #include "webrtc/system_wrappers/include/event_wrapper.h"
 #include "webrtc/system_wrappers/include/sleep.h"
 #include "webrtc/test/gtest.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
 using ::testing::AtLeast;
@@ skipping 899 matching lines @@
     packet_source->FilterOutPayloadType(104);  // iSAC-swb.
 #endif
 
     test::AudioChecksum checksum;
     const std::string output_file_name =
         webrtc::test::OutputPath() +
         ::testing::UnitTest::GetInstance()
             ->current_test_info()
             ->test_case_name() +
         "_" + ::testing::UnitTest::GetInstance()->current_test_info()->name() +
-        "_output.pcm";
-    test::OutputAudioFile output_file(output_file_name);
+        "_output.wav";
+    test::OutputWavFile output_file(output_file_name, output_freq_hz);
     test::AudioSinkFork output(&checksum, &output_file);
 
     test::AcmReceiveTestOldApi test(
         packet_source.get(), &output, output_freq_hz,
         test::AcmReceiveTestOldApi::kArbitraryChannels,
         std::move(decoder_factory));
     ASSERT_NO_FATAL_FAILURE(test.RegisterNetEqTestCodecs());
     decoder_reg(test.get_acm());
     test.Run();
 
@@ skipping 194 matching lines @@
            test::AcmReceiveTestOldApi::NumOutputChannels expected_channels) {
     // Set up the receiver used to decode the packets and verify the decoded
     // output.
     test::AudioChecksum audio_checksum;
     const std::string output_file_name =
         webrtc::test::OutputPath() +
         ::testing::UnitTest::GetInstance()
             ->current_test_info()
             ->test_case_name() +
         "_" + ::testing::UnitTest::GetInstance()->current_test_info()->name() +
-        "_output.pcm";
-    test::OutputAudioFile output_file(output_file_name);
+        "_output.wav";
+    const int kOutputFreqHz = 8000;
+    test::OutputWavFile output_file(output_file_name, kOutputFreqHz);
     // Have the output audio sent both to file and to the checksum calculator.
     test::AudioSinkFork output(&audio_checksum, &output_file);
-    const int kOutputFreqHz = 8000;
     test::AcmReceiveTestOldApi receive_test(this, &output, kOutputFreqHz,
                                             expected_channels,
                                             CreateBuiltinAudioDecoderFactory());
     ASSERT_NO_FATAL_FAILURE(receive_test.RegisterDefaultCodecs());
 
     // This is where the actual test is executed.
     receive_test.Run();
 
     // Extract and verify the audio checksum.
     std::string checksum_string = audio_checksum.Finish();
@@ skipping 687 matching lines @@
   Run(16000, 8000, 1000);
 }
 
 TEST_F(AcmSwitchingOutputFrequencyOldApi, Toggle8KhzTo16Khz) {
   Run(8000, 16000, 1000);
 }
 
 #endif
 
 }  // namespace webrtc