Implement audio recording for Linux via ALSA.

media/audio/linux/alsa_output_unittest.cc

 // Copyright (c) 2010 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 "base/message_loop.h"
 #include "base/string_util.h"
 #include "media/audio/linux/alsa_output.h"
 #include "media/audio/linux/alsa_wrapper.h"
 #include "media/audio/linux/audio_manager_linux.h"
 #include "media/base/data_buffer.h"
@@ skipping 25 matching lines @@
 
   MOCK_METHOD4(PcmOpen, int(snd_pcm_t** handle, const char* name,
                             snd_pcm_stream_t stream, int mode));
   MOCK_METHOD1(PcmClose, int(snd_pcm_t* handle));
   MOCK_METHOD1(PcmPrepare, int(snd_pcm_t* handle));
   MOCK_METHOD1(PcmDrop, int(snd_pcm_t* handle));
   MOCK_METHOD2(PcmDelay, int(snd_pcm_t* handle, snd_pcm_sframes_t* delay));
   MOCK_METHOD3(PcmWritei, snd_pcm_sframes_t(snd_pcm_t* handle,
                                             const void* buffer,
                                             snd_pcm_uframes_t size));
+  MOCK_METHOD3(PcmReadi, snd_pcm_sframes_t(snd_pcm_t* handle,
+                                           void* buffer,
+                                           snd_pcm_uframes_t size));
   MOCK_METHOD3(PcmRecover, int(snd_pcm_t* handle, int err, int silent));
   MOCK_METHOD7(PcmSetParams, int(snd_pcm_t* handle, snd_pcm_format_t format,
                                  snd_pcm_access_t access, unsigned int channels,
                                  unsigned int rate, int soft_resample,
                                  unsigned int latency));
   MOCK_METHOD3(PcmGetParams, int(snd_pcm_t* handle,
                                  snd_pcm_uframes_t* buffer_size,
                                  snd_pcm_uframes_t* period_size));
   MOCK_METHOD1(PcmName, const char*(snd_pcm_t* handle));
   MOCK_METHOD1(PcmAvailUpdate, snd_pcm_sframes_t(snd_pcm_t* handle));
   MOCK_METHOD1(PcmState, snd_pcm_state_t(snd_pcm_t* handle));
+  MOCK_METHOD1(PcmStart, int(snd_pcm_t* handle));
 
   MOCK_METHOD1(StrError, const char*(int errnum));
 };
 
 class MockAudioSourceCallback : public AudioOutputStream::AudioSourceCallback {
  public:
   MOCK_METHOD4(OnMoreData, uint32(AudioOutputStream* stream, void* dest,
                                   uint32 max_size, uint32 pending_bytes));
   MOCK_METHOD1(OnClose, void(AudioOutputStream* stream));
   MOCK_METHOD2(OnError, void(AudioOutputStream* stream, int code));
@@ skipping 694 matching lines @@
 
   test_stream_->stop_stream_ = true;
   test_stream_->ScheduleNextWrite(true);
 
   // TODO(ajwong): Find a way to test whether or not another task has been
   // posted so we can verify that the Alsa code will indeed break the task
   // posting loop.
 
   test_stream_->shared_data_.TransitionTo(AlsaPcmOutputStream::kIsClosed);
 }