1 files changed, 139 insertions, 0 deletions
diff --git a/btif/src/bluetoothTrack.cpp b/btif/src/bluetoothTrack.cpp
new file mode 100644
index 000000000..0943ef4bf
--- /dev/null
+++ b/btif/src/bluetoothTrack.cpp
@@ -0,0 +1,139 @@
+/*
+* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*        * Redistributions of source code must retain the above copyright
+*            notice, this list of conditions and the following disclaimer.
+*        * Redistributions in binary form must reproduce the above copyright
+*            notice, this list of conditions and the following disclaimer in the
+*            documentation and/or other materials provided with the distribution.
+*        * Neither the name of The Linux Foundation nor
+*            the names of its contributors may be used to endorse or promote
+*            products derived from this software without specific prior written
+*            permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NON-INFRINGEMENT ARE DISCLAIMED.    IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "bluetoothTrack.h"
+#include <media/AudioTrack.h>
+
+//#define DUMP_PCM_DATA TRUE
+#if (defined(DUMP_PCM_DATA) && (DUMP_PCM_DATA == TRUE))
+FILE *outputPcmSampleFile;
+char outputFilename [50] = "/data/misc/bluedroid/output_sample.pcm";
+#endif
+
+struct BluetoothTrack {
+    android::sp<android::AudioTrack> mTrack;
+};
+
+typedef struct BluetoothTrack BluetoothTrack;
+
+BluetoothTrack *track = NULL;
+
+int btCreateTrack(int trackFreq, int channelType)
+{
+    //APPL_TRACE_DEBUG(" Track.cpp: btCreateTrack freq %d  channel %d ",trackFreq, channelType);
+    int ret = -1;
+    if (track == NULL)
+        track = new BluetoothTrack;
+    track->mTrack = NULL;
+    track->mTrack = new android::AudioTrack(AUDIO_STREAM_MUSIC, trackFreq, AUDIO_FORMAT_PCM_16_BIT,
+            channelType, (int)0, (audio_output_flags_t)AUDIO_OUTPUT_FLAG_FAST, NULL, NULL, 0, 0, android::AudioTrack::TRANSFER_SYNC);
+    if (track->mTrack == NULL)
+    {
+        delete track;
+        track = NULL;
+        return ret;
+    }
+    if (track->mTrack->initCheck() != 0)
+    {
+        delete track;
+        track = NULL;
+        return ret;
+    }
+#if (defined(DUMP_PCM_DATA) && (DUMP_PCM_DATA == TRUE))
+    outputPcmSampleFile = fopen(outputFilename, "ab");
+#endif
+    ret = 0;
+    track->mTrack->setVolume(1, 1);
+    return ret;
+}
+
+void btStartTrack()
+{
+    if ((track != NULL) && (track->mTrack.get() != NULL))
+    {
+        //APPL_TRACE_DEBUG(" Track.cpp: btStartTrack");
+        track->mTrack->start();
+    }
+}
+
+
+void btDeleteTrack()
+{
+    if ((track != NULL) && (track->mTrack.get() != NULL))
+    {
+        //APPL_TRACE_DEBUG(" Track.cpp: btDeleteTrack");
+        track->mTrack.clear();
+        delete track;
+        track = NULL;
+    }
+#if (defined(DUMP_PCM_DATA) && (DUMP_PCM_DATA == TRUE))
+    if (outputPcmSampleFile)
+    {
+        fclose(outputPcmSampleFile);
+    }
+    outputPcmSampleFile = NULL;
+#endif
+}
+
+void btPauseTrack()
+{
+    if ((track != NULL) && (track->mTrack.get() != NULL))
+    {
+        //APPL_TRACE_DEBUG(" Track.cpp: btPauseTrack");
+        track->mTrack->pause();
+        track->mTrack->flush();
+    }
+}
+
+void btStopTrack()
+{
+    if ((track != NULL) && (track->mTrack.get() != NULL))
+    {
+        //APPL_TRACE_DEBUG(" Track.cpp: btStopTrack");
+        track->mTrack->stop();
+    }
+}
+
+int btWriteData(void *audioBuffer, int bufferlen)
+{
+    int retval = -1;
+    if ((track != NULL) && (track->mTrack.get() != NULL))
+    {
+#if (defined(DUMP_PCM_DATA) && (DUMP_PCM_DATA == TRUE))
+        if (outputPcmSampleFile)
+        {
+            fwrite ((audioBuffer), 1, (size_t)bufferlen, outputPcmSampleFile);
+        }
+#endif
+        retval = track->mTrack->write(audioBuffer, (size_t)bufferlen);
+        //APPL_TRACE_DEBUG(" Track.cpp: btWriteData len = %d ret = %d", bufferlen, retval);
+    }
+    return retval;
+}
+