qcom-fm: audio: add support for FM feature

Change-Id: Idd5c7a0364710d54809ef5d4c7b2404b22dc4cf6

Conflicts:

	include/media/IAudioFlinger.h
	media/libmediaplayerservice/StagefrightRecorder.cpp
	media/libstagefright/Android.mk

3 files changed, 95 insertions, 5 deletions

diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index d8c57d3..31b1b08 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -1,10 +1,10 @@
 /*
- * Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ * Copyright (C) 2008 The Android Open Source Project
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+ *
  * Not a Contribution, Apache license notifications and license are retained
  * for attribution purposes only.
  *
- * Copyright (C) 2008 The Android Open Source Project
- *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -120,6 +120,9 @@ public:
         audio_channel_mask_t channelMask, size_t* buffSize);
 
     static status_t setVoiceVolume(float volume);
+#ifdef QCOM_FM_ENABLED
+    static status_t setFmVolume(float volume);
+#endif
 
     // return the number of audio frames written by AudioFlinger to audio HAL and
     // audio dsp to DAC since the output on which the specified stream is playing
diff --git a/include/media/IAudioFlinger.h b/include/media/IAudioFlinger.h
index 0700a68..396f87b 100755
--- a/include/media/IAudioFlinger.h
+++ b/include/media/IAudioFlinger.h
@@ -1,10 +1,10 @@
 /*
+ * Copyright (C) 2007 The Android Open Source Project
  * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+ *
  * Not a Contribution, Apache license notifications and license are retained
  * for attribution purposes only.
  *
- * Copyright (C) 2007 The Android Open Source Project
- *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -219,6 +219,9 @@ public:
     // that looks on primary device for a stream with fast flag, primary flag, or first one.
     virtual int32_t getPrimaryOutputSamplingRate() = 0;
     virtual int32_t getPrimaryOutputFrameCount() = 0;
+#ifdef QCOM_FM_ENABLED
+    virtual status_t setFmVolume(float volume) = 0;
+#endif
 
 };
 
diff --git a/include/media/stagefright/FMA2DPWriter.h b/include/media/stagefright/FMA2DPWriter.h
new file mode 100644
index 0000000..f1c1694
--- /dev/null
+++ b/include/media/stagefright/FMA2DPWriter.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+ *
+ * Not a Contribution, Apache license notifications and license are retained
+ * for attribution purposes only
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FM_A2DP_WRITER_H_
+
+#define FM_A2DP_WRITER_H_
+
+#include <stdio.h>
+
+#include <media/stagefright/MediaWriter.h>
+#include <utils/threads.h>
+#include <media/AudioRecord.h>
+#include <utils/List.h>
+#include <semaphore.h>
+#include <media/mediarecorder.h>
+
+namespace android {
+
+struct MediaSource;
+struct MetaData;
+
+struct audioBufferstruct {
+   public:
+   audioBufferstruct (void *buff, size_t bufflen)
+      :audioBuffer(buff), bufferlen(bufflen){}
+
+   void  *audioBuffer;
+   size_t bufferlen;
+ };
+
+struct FMA2DPWriter : public MediaWriter {
+    FMA2DPWriter();
+
+    status_t initCheck() const;
+    virtual status_t addSource(const sp<MediaSource> &source);
+    virtual bool reachedEOS();
+    virtual status_t start(MetaData *params = NULL);
+    virtual status_t stop();
+    virtual status_t pause();
+    virtual status_t allocateBufferPool();
+
+protected:
+    virtual ~FMA2DPWriter();
+
+private:
+    List<audioBufferstruct > mFreeQ,mDataQ;
+    Mutex mFreeQLock,mDataQLock;
+    sem_t mReaderThreadWakeupsem,mWriterThreadWakeupsem;
+    pthread_t mReaderThread,mWriterThread;
+    bool mStarted;
+    volatile bool mDone;
+    int32_t mAudioChannels;
+    int32_t mSampleRate;
+    audio_format_t mAudioFormat;
+    audio_source_t mAudioSource;
+    size_t mBufferSize;
+    static void *ReaderThreadWrapper(void *);
+    static void *WriterThreadWrapper(void *);
+    status_t readerthread();
+    status_t writerthread();
+    FMA2DPWriter(const FMA2DPWriter &);
+    FMA2DPWriter &operator=(const FMA2DPWriter &);
+};
+
+}  // namespace android
+
+#endif  // FM_A2DP_WRITER_H_