Pass delay and timestamp to AudioSourceCallback::OnMoreData.

media/audio/cras/cras_unified.h

 // Copyright 2013 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.
 //
 // Creates a unified stream based on the cras (ChromeOS audio server) interface.
 //
 // CrasUnifiedStream object is *not* thread-safe and should only be used
 // from the audio thread.
 
 #ifndef MEDIA_AUDIO_CRAS_CRAS_UNIFIED_H_
 #define MEDIA_AUDIO_CRAS_CRAS_UNIFIED_H_
 
 #include <cras_client.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "base/time/time.h"
 #include "media/audio/audio_io.h"
 #include "media/base/audio_parameters.h"
 
 namespace media {
 
 class AudioManagerCras;
 
 // Implementation of AudioOuputStream for Chrome OS using the Chrome OS audio
 // server.
 // TODO(dgreid): This class is used for only output, either remove all the
@@ skipping 12 matching lines @@
   // Implementation of AudioOutputStream.
   bool Open() override;
   void Close() override;
   void Start(AudioSourceCallback* callback) override;
   void Stop() override;
   void SetVolume(double volume) override;
   void GetVolume(double* volume) override;
 
  private:
   // Convert Latency in time to bytes.
-  uint32_t GetBytesLatency(const struct timespec& latency);
+  base::TimeTicks GetTargetPlayoutTime(const struct timespec& latency_ts);
 
   // Handles captured audio and fills the ouput with audio to be played.
   static int UnifiedCallback(cras_client* client,
                              cras_stream_id_t stream_id,
                              uint8_t* input_samples,
                              uint8_t* output_samples,
                              unsigned int frames,
                              const timespec* input_ts,
                              const timespec* output_ts,
                              void* arg);
@@ skipping 48 matching lines @@
 
   // Direciton of the stream.
   CRAS_STREAM_DIRECTION stream_direction_;
 
   DISALLOW_COPY_AND_ASSIGN(CrasUnifiedStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_AUDIO_CRAS_CRAS_UNIFIED_H_