Implementation of 'AudioContext.getOutputTimestamp' method

media/audio/win/audio_low_latency_output_win_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/audio/win/audio_low_latency_output_win.h"
 
 #include <windows.h>
 #include <mmsystem.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 90 matching lines @@
       fprintf(text_file_, "%d\n", delta_times_[elements_written]);
       ++elements_written;
     }
 
     base::CloseFile(text_file_);
   }
 
   // AudioOutputStream::AudioSourceCallback implementation.
   int OnMoreData(AudioBus* audio_bus,
                  uint32_t total_bytes_delay,
-                 uint32_t frames_skipped) override {
+                 uint32_t frames_skipped,
+                 const AudioTimestamp& output_timestamp) override {
     // Store time difference between two successive callbacks in an array.
     // These values will be written to a file in the destructor.
     const base::TimeTicks now_time = base::TimeTicks::Now();
     const int diff = (now_time - previous_call_time_).InMilliseconds();
     previous_call_time_ = now_time;
     if (elements_to_write_ < kMaxDeltaSamples) {
       delta_times_[elements_to_write_] = diff;
       ++elements_to_write_;
     }
 
@@ skipping 265 matching lines @@
   AudioOutputStreamWrapper aosw(audio_manager_.get());
   AudioOutputStream* aos = aosw.Create();
   EXPECT_TRUE(aos->Open());
 
   // Derive the expected size in bytes of each packet.
   uint32_t bytes_per_packet = aosw.channels() * aosw.samples_per_packet() *
                               (aosw.bits_per_sample() / 8);
 
   // Wait for the first callback and verify its parameters.  Ignore any
   // subsequent callbacks that might arrive.
-  EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet), 0))
+  EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet), 0,
+                                 AudioTimestamp()))
       .WillOnce(DoAll(QuitLoop(message_loop_.task_runner()),
                       Return(aosw.samples_per_packet())))
       .WillRepeatedly(Return(0));
 
   aos->Start(&source);
   message_loop_.PostDelayedTask(FROM_HERE,
                                 base::MessageLoop::QuitWhenIdleClosure(),
                                 TestTimeouts::action_timeout());
   message_loop_.Run();
   aos->Stop();
@@ skipping 169 matching lines @@
   // using the minimum buffer size at 48kHz sample rate.
   AudioOutputStreamWrapper aosw(audio_manager_.get());
   AudioOutputStream* aos = aosw.Create(48000, 160);
   EXPECT_TRUE(aos->Open());
 
   // Derive the expected size in bytes of each packet.
   uint32_t bytes_per_packet = aosw.channels() * aosw.samples_per_packet() *
                               (aosw.bits_per_sample() / 8);
 
  // Wait for the first callback and verify its parameters.
-  EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet), 0))
+  EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet), 0,
+                                 AudioTimestamp()))
       .WillOnce(DoAll(QuitLoop(message_loop_.task_runner()),
                       Return(aosw.samples_per_packet())))
       .WillRepeatedly(Return(aosw.samples_per_packet()));
 
   aos->Start(&source);
   message_loop_.PostDelayedTask(FROM_HERE,
                                 base::MessageLoop::QuitWhenIdleClosure(),
                                 TestTimeouts::action_timeout());
   message_loop_.Run();
   aos->Stop();
@@ skipping 12 matching lines @@
   // using the minimum buffer size at 44.1kHz sample rate.
   AudioOutputStreamWrapper aosw(audio_manager_.get());
   AudioOutputStream* aos = aosw.Create(44100, 160);
   EXPECT_TRUE(aos->Open());
 
   // Derive the expected size in bytes of each packet.
   uint32_t bytes_per_packet = aosw.channels() * aosw.samples_per_packet() *
                               (aosw.bits_per_sample() / 8);
 
   // Wait for the first callback and verify its parameters.
-  EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet), 0))
+  EXPECT_CALL(source, OnMoreData(NotNull(), HasValidDelay(bytes_per_packet), 0,
+                                 AudioTimestamp()))
       .WillOnce(DoAll(QuitLoop(message_loop_.task_runner()),
                       Return(aosw.samples_per_packet())))
       .WillRepeatedly(Return(aosw.samples_per_packet()));
 
   aos->Start(&source);
   message_loop_.PostDelayedTask(FROM_HERE,
                                 base::MessageLoop::QuitWhenIdleClosure(),
                                 TestTimeouts::action_timeout());
   message_loop_.Run();
   aos->Stop();
   aos->Close();
 }
 
 }  // namespace media