audio_attributes_t for SoundPool
Add support for the audio_attributes_t structure in the
SoundPoool constructor.
Remove SRC quality which was never implemented.
Remove stream types.
Add file to contain audio helper functions related to policy.
Change-Id: I1720ff15e7b23ea7b713a4395fdfac26dc3fd4da
diff --git a/include/media/AudioPolicyHelper.h b/include/media/AudioPolicyHelper.h
new file mode 100644
index 0000000..f4afd45
--- /dev/null
+++ b/include/media/AudioPolicyHelper.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2014 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
+ *
+ * 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 AUDIO_POLICY_HELPER_H_
+#define AUDIO_POLICY_HELPER_H_
+
+#include <system/audio.h>
+
+audio_stream_type_t audio_attributes_to_stream_type(const audio_attributes_t *attr)
+{
+ // flags to stream type mapping
+ if ((attr->flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) {
+ return AUDIO_STREAM_ENFORCED_AUDIBLE;
+ }
+ if ((attr->flags & AUDIO_FLAG_SCO) == AUDIO_FLAG_SCO) {
+ return AUDIO_STREAM_BLUETOOTH_SCO;
+ }
+
+ // usage to stream type mapping
+ switch (attr->usage) {
+ case AUDIO_USAGE_MEDIA:
+ case AUDIO_USAGE_GAME:
+ case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY:
+ case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE:
+ return AUDIO_STREAM_MUSIC;
+ case AUDIO_USAGE_ASSISTANCE_SONIFICATION:
+ return AUDIO_STREAM_SYSTEM;
+ case AUDIO_USAGE_VOICE_COMMUNICATION:
+ return AUDIO_STREAM_VOICE_CALL;
+
+ case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING:
+ return AUDIO_STREAM_DTMF;
+
+ case AUDIO_USAGE_ALARM:
+ return AUDIO_STREAM_ALARM;
+ case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE:
+ return AUDIO_STREAM_RING;
+
+ case AUDIO_USAGE_NOTIFICATION:
+ case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
+ case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
+ case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
+ case AUDIO_USAGE_NOTIFICATION_EVENT:
+ return AUDIO_STREAM_NOTIFICATION;
+
+ case AUDIO_USAGE_UNKNOWN:
+ default:
+ return AUDIO_STREAM_MUSIC;
+ }
+}
+
+#endif //AUDIO_POLICY_HELPER_H_
diff --git a/include/media/SoundPool.h b/include/media/SoundPool.h
index 2dd78cc..5830475 100644
--- a/include/media/SoundPool.h
+++ b/include/media/SoundPool.h
@@ -167,7 +167,7 @@
friend class SoundPoolThread;
friend class SoundChannel;
public:
- SoundPool(int maxChannels, audio_stream_type_t streamType, int srcQuality);
+ SoundPool(int maxChannels, const audio_attributes_t* pAttributes);
~SoundPool();
int load(const char* url, int priority);
int load(int fd, int64_t offset, int64_t length, int priority);
@@ -183,8 +183,7 @@
void setPriority(int channelID, int priority);
void setLoop(int channelID, int loop);
void setRate(int channelID, float rate);
- audio_stream_type_t streamType() const { return mStreamType; }
- int srcQuality() const { return mSrcQuality; }
+ const audio_attributes_t* attributes() { return &mAttributes; }
// called from SoundPoolThread
void sampleLoaded(int sampleID);
@@ -225,8 +224,7 @@
List<SoundChannel*> mStop;
DefaultKeyedVector< int, sp<Sample> > mSamples;
int mMaxChannels;
- audio_stream_type_t mStreamType;
- int mSrcQuality;
+ audio_attributes_t mAttributes;
int mAllocated;
int mNextSampleID;
int mNextChannelID;
diff --git a/media/libmedia/SoundPool.cpp b/media/libmedia/SoundPool.cpp
index 2aa0592..d2e381b 100644
--- a/media/libmedia/SoundPool.cpp
+++ b/media/libmedia/SoundPool.cpp
@@ -28,6 +28,7 @@
#include <media/mediaplayer.h>
#include <media/SoundPool.h>
#include "SoundPoolThread.h"
+#include <media/AudioPolicyHelper.h>
namespace android
{
@@ -39,10 +40,10 @@
size_t kDefaultHeapSize = 1024 * 1024; // 1MB
-SoundPool::SoundPool(int maxChannels, audio_stream_type_t streamType, int srcQuality)
+SoundPool::SoundPool(int maxChannels, const audio_attributes_t* pAttributes)
{
- ALOGV("SoundPool constructor: maxChannels=%d, streamType=%d, srcQuality=%d",
- maxChannels, streamType, srcQuality);
+ ALOGV("SoundPool constructor: maxChannels=%d, attr.usage=%d, attr.flags=0x%x, attr.tags=%s",
+ maxChannels, pAttributes->usage, pAttributes->flags, pAttributes->tags);
// check limits
mMaxChannels = maxChannels;
@@ -56,8 +57,7 @@
mQuit = false;
mDecodeThread = 0;
- mStreamType = streamType;
- mSrcQuality = srcQuality;
+ memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t));
mAllocated = 0;
mNextSampleID = 0;
mNextChannelID = 0;
@@ -580,7 +580,7 @@
// initialize track
size_t afFrameCount;
uint32_t afSampleRate;
- audio_stream_type_t streamType = mSoundPool->streamType();
+ audio_stream_type_t streamType = audio_attributes_to_stream_type(mSoundPool->attributes());
if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) {
afFrameCount = kDefaultFrameCount;
}