1 files changed, 0 insertions, 165 deletions
diff --git a/media/audio/linux/alsa_output.h b/media/audio/linux/alsa_output.h
deleted file mode 100644
index b6d405b..0000000
--- a/media/audio/linux/alsa_output.h
+++ /dev/null
@@ -1,165 +0,0 @@
-// Copyright (c) 2009 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 an output stream based on the ALSA PCM interface.  The current
-// implementation creates one thread per ALSA playback handle that is
-// responsible for synchronously pulling data from the audio data source.
-//
-// This output stream buffers in two places:
-//   (1) In the ALSA device
-//   (2) In an in-memory buffer.
-//
-// The ALSA device buffer is kept as full as possible.  The in-memory buffer
-// attempts to keep enough extra data so that |min_buffer_ms| worth of data
-// is available between the in-memory buffer and the device buffer.  Requests
-// to the audio data source are made if the total amount buffered falls below
-// |min_buffer_ms|.
-//
-// On device write failure, the stream will move into an invalid state.  No
-// more data will be pulled from the data source, and the playback thread will
-// be stopped.
-//
-// If the stream is successfully opened, Close() must be called before the
-// stream is deleted.
-
-#ifndef MEDIA_AUDIO_LINUX_ALSA_OUTPUT_H_
-#define MEDIA_AUDIO_LINUX_ALSA_OUTPUT_H_
-
-#include <alsa/asoundlib.h>
-
-#include <deque>
-#include <string>
-
-#include "base/lock.h"
-#include "base/ref_counted.h"
-#include "base/scoped_ptr.h"
-#include "base/thread.h"
-#include "media/audio/audio_output.h"
-
-class Thread;
-
-class AlsaPCMOutputStream :
-    public AudioOutputStream,
-    public base::RefCountedThreadSafe<AlsaPCMOutputStream> {
- public:
-  // Set to "plug:default" which should allow ALSA to do whatever is
-  // necessary to simulate an audio device capable of handling our PCMs.
-  static const char* kDefaultDevice;
-
-  // Create a PCM Output stream for the ALSA device identified by
-  // |device_name|.  If unsure of hte device_name, use kDefaultDevice.
-  AlsaPCMOutputStream(const std::string& device_name,
-                      int min_buffer_ms,
-                      AudioManager::Format format,
-                      int channels,
-                      int sample_rate,
-                      char bits_per_sample);
-  virtual ~AlsaPCMOutputStream();
-
-  // Implementation of AudioOutputStream.
-  virtual bool Open(size_t packet_size);
-  virtual void Close();
-  virtual void Start(AudioSourceCallback* callback);
-  virtual void Stop();
-  virtual void SetVolume(double left_level, double right_level);
-  virtual void GetVolume(double* left_level, double* right_level);
-  virtual size_t GetNumBuffers();
-
- private:
-  // Closes the playback handle, reporting errors if any occur.  Returns true
-  // if the device was successfully closed.
-  bool CloseDevice_Locked();
-
-  // Stops playback, ignoring state checks.
-  void StopInternal_Locked();
-
-  // Moves the stream into the error state, setting the correct internal flags.
-  // Ensure that all resources are cleaned up before executing this function.
-  void EnterStateError_Locked();
-
-  // Releases all the resources in the audio stream.  This method will also
-  // terminate the playback thread itself.
-  //
-  // This method must be run in the |playback_thead_|.
-  void ReleaseResources();
-
-  // Retrieve the total number of frames buffered in both memory and in the
-  // audio device.  Use this to determine if more data should be requested from
-  // the audio source.
-  snd_pcm_sframes_t GetFramesOfDelay_Locked();
-
-  // Buffer more packets from data source if necessary.
-  //
-  // This function must be run in the |playback_thread_|.
-  void BufferPackets();
-
-  // Returns true if our buffer is underfull.
-  bool ShouldBufferMore_NoLock();
-
-  // Write as many buffered packets into the device as there is room in the
-  // device buffer.
-  //
-  // This function must be run in the |playback_thread_|.
-  void FillAlsaDeviceBuffer();
-
-  // State of the stream.
-  State state_;
-
-  // The ALSA device name to use.
-  std::string device_name_;
-
-  // Handle to the actual PCM playback device.
-  snd_pcm_t* playback_handle_;
-
-  // Period size for ALSA ring-buffer.  Basically, how long to wait between
-  // writes.
-  snd_pcm_sframes_t period_size_;
-
-  // Callback used to request more data from the data source.
-  AudioSourceCallback* source_callback_;
-
-  // Playback thread.
-  base::Thread playback_thread_;
-
-  // Lock for field access to this object.
-  Lock lock_;
-
-  // Sample format configuration.
-  snd_pcm_format_t pcm_format_;
-  const int channels_;
-  const int sample_rate_;
-  const char bits_per_sample_;
-  char bytes_per_frame_;
-
-  // In-memory buffer to hold sound samples before pushing to the sound device.
-  // TODO(ajwong): There are now about 3 buffer queue implementations. Factor
-  // them out.
-  struct Packet {
-    explicit Packet(int new_capacity)
-        : capacity(new_capacity),
-          size(0),
-          used(0),
-          buffer(new char[capacity]) {
-    }
-    size_t capacity;
-    size_t size;
-    size_t used;
-    scoped_array<char> buffer;
-  };
-  int min_buffer_frames_;
-  std::deque<Packet*> buffered_packets_;
-  size_t packet_size_;
-
-  // Flag indiciating the device write tasks have stopped scheduling
-  // themselves.  This should only be modified by the BufferPackets() and
-  // FillAlsaDeviceBuffer() methods.
-  bool device_write_suspended_;
-
-  // Flag indicating that the resources are already cleaned.
-  bool resources_released_;
-
-  DISALLOW_COPY_AND_ASSIGN(AlsaPCMOutputStream);
-};
-
-#endif  // MEDIA_AUDIO_LINUX_ALSA_OUTPUT_H_