audio policy: refactor audio playback APIs
Refactor audio policy service APIs controlling audio playback (startOutput, stopOutput, releaseOutput)
To allow finer grain control per AudioTrack client.
Test: AudioTrack CTS test. manual test of playback use cases.
Change-Id: I49a681f3c2a8211e524824993049b24d8086376d
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index d2bc40d..859072b 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -17,12 +17,12 @@
#define LOG_TAG "AudioPolicyIntefaceImpl"
//#define LOG_NDEBUG 0
-#include <utils/Log.h>
-#include <media/MediaAnalyticsItem.h>
-
#include "AudioPolicyService.h"
-#include <mediautils/ServiceUtilities.h>
#include "TypeConverter.h"
+#include <media/AudioPolicyHelper.h>
+#include <media/MediaAnalyticsItem.h>
+#include <mediautils/ServiceUtilities.h>
+#include <utils/Log.h>
namespace android {
@@ -208,93 +208,128 @@
config,
&flags, selectedDeviceId, portId);
}
+
+ if (result == NO_ERROR) {
+ sp <AudioPlaybackClient> client =
+ new AudioPlaybackClient(*attr, *output, uid, pid, session, *selectedDeviceId, *stream);
+ mAudioPlaybackClients.add(*portId, client);
+ }
return result;
}
-status_t AudioPolicyService::startOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- audio_session_t session)
+status_t AudioPolicyService::startOutput(audio_port_handle_t portId)
{
- if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
- return BAD_VALUE;
- }
if (mAudioPolicyManager == NULL) {
return NO_INIT;
}
ALOGV("startOutput()");
+ sp<AudioPlaybackClient> client;
sp<AudioPolicyEffects>audioPolicyEffects;
{
Mutex::Autolock _l(mLock);
+ const ssize_t index = mAudioPlaybackClients.indexOfKey(portId);
+ if (index < 0) {
+ ALOGE("%s AudioTrack client not found for portId %d", __FUNCTION__, portId);
+ return INVALID_OPERATION;
+ }
+ client = mAudioPlaybackClients.valueAt(index);
audioPolicyEffects = mAudioPolicyEffects;
}
if (audioPolicyEffects != 0) {
// create audio processors according to stream
- status_t status = audioPolicyEffects->addOutputSessionEffects(output, stream, session);
+ status_t status = audioPolicyEffects->addOutputSessionEffects(
+ client->io, client->stream, client->session);
if (status != NO_ERROR && status != ALREADY_EXISTS) {
- ALOGW("Failed to add effects on session %d", session);
+ ALOGW("Failed to add effects on session %d", client->session);
}
}
Mutex::Autolock _l(mLock);
AutoCallerClear acc;
- return mAudioPolicyManager->startOutput(output, stream, session);
+ status_t status = mAudioPolicyManager->startOutput(
+ client->io, client->stream, client->session);
+ if (status == NO_ERROR) {
+ client->active = true;
+ }
+ return status;
}
-status_t AudioPolicyService::stopOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- audio_session_t session)
+status_t AudioPolicyService::stopOutput(audio_port_handle_t portId)
{
- if (uint32_t(stream) >= AUDIO_STREAM_CNT) {
- return BAD_VALUE;
+ {
+ Mutex::Autolock _l(mLock);
+
+ const ssize_t index = mAudioPlaybackClients.indexOfKey(portId);
+ if (index < 0) {
+ ALOGE("%s AudioTrack client not found for portId %d", __FUNCTION__, portId);
+ return INVALID_OPERATION;
+ }
}
if (mAudioPolicyManager == NULL) {
return NO_INIT;
}
ALOGV("stopOutput()");
- mOutputCommandThread->stopOutputCommand(output, stream, session);
+ mOutputCommandThread->stopOutputCommand(portId);
return NO_ERROR;
}
-status_t AudioPolicyService::doStopOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- audio_session_t session)
+status_t AudioPolicyService::doStopOutput(audio_port_handle_t portId)
{
- ALOGV("doStopOutput from tid %d", gettid());
+ ALOGV("doStopOutput");
+ sp<AudioPlaybackClient> client;
sp<AudioPolicyEffects>audioPolicyEffects;
{
Mutex::Autolock _l(mLock);
+
+ const ssize_t index = mAudioPlaybackClients.indexOfKey(portId);
+ if (index < 0) {
+ ALOGE("%s AudioTrack client not found for portId %d", __FUNCTION__, portId);
+ return INVALID_OPERATION;
+ }
+ client = mAudioPlaybackClients.valueAt(index);
audioPolicyEffects = mAudioPolicyEffects;
}
if (audioPolicyEffects != 0) {
// release audio processors from the stream
- status_t status = audioPolicyEffects->releaseOutputSessionEffects(output, stream, session);
+ status_t status = audioPolicyEffects->releaseOutputSessionEffects(
+ client->io, client->stream, client->session);
if (status != NO_ERROR && status != ALREADY_EXISTS) {
- ALOGW("Failed to release effects on session %d", session);
+ ALOGW("Failed to release effects on session %d", client->session);
}
}
Mutex::Autolock _l(mLock);
AutoCallerClear acc;
- return mAudioPolicyManager->stopOutput(output, stream, session);
+ status_t status = mAudioPolicyManager->stopOutput(
+ client->io, client->stream, client->session);
+ if (status == NO_ERROR) {
+ client->active = false;
+ }
+ return status;
}
-void AudioPolicyService::releaseOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- audio_session_t session)
+void AudioPolicyService::releaseOutput(audio_port_handle_t portId)
{
if (mAudioPolicyManager == NULL) {
return;
}
ALOGV("releaseOutput()");
- mOutputCommandThread->releaseOutputCommand(output, stream, session);
+ mOutputCommandThread->releaseOutputCommand(portId);
}
-void AudioPolicyService::doReleaseOutput(audio_io_handle_t output,
- audio_stream_type_t stream,
- audio_session_t session)
+void AudioPolicyService::doReleaseOutput(audio_port_handle_t portId)
{
ALOGV("doReleaseOutput from tid %d", gettid());
Mutex::Autolock _l(mLock);
+ const ssize_t index = mAudioPlaybackClients.indexOfKey(portId);
+ if (index < 0) {
+ ALOGE("%s AudioTrack client not found for portId %d", __FUNCTION__, portId);
+ return;
+ }
+ sp<AudioPlaybackClient> client = mAudioPlaybackClients.valueAt(index);
+ mAudioRecordClients.removeItem(portId);
+
// called from internal thread: no need to clear caller identity
- mAudioPolicyManager->releaseOutput(output, stream, session);
+ mAudioPolicyManager->releaseOutput(
+ client->io, client->stream, client->session);
}
status_t AudioPolicyService::getInputForAttr(const audio_attributes_t *attr,
@@ -403,12 +438,8 @@
return status;
}
- sp<AudioRecordClient> client =
- new AudioRecordClient(*attr, *input, uid, pid, opPackageName, session);
- client->active = false;
- client->isConcurrent = false;
- client->isVirtualDevice = false; //TODO : update from APM->getInputForAttr()
- client->deviceId = *selectedDeviceId;
+ sp<AudioRecordClient> client = new AudioRecordClient(*attr, *input, uid, pid, session,
+ *selectedDeviceId, opPackageName);
mAudioRecordClients.add(*portId, client);
}
@@ -497,7 +528,7 @@
{
AutoCallerClear acc;
status = mAudioPolicyManager->startInput(
- client->input, client->session, *silenced, &concurrency);
+ client->io, client->session, *silenced, &concurrency);
}
@@ -610,7 +641,7 @@
// finish the recording app op
finishRecording(client->opPackageName, client->uid);
AutoCallerClear acc;
- return mAudioPolicyManager->stopInput(client->input, client->session);
+ return mAudioPolicyManager->stopInput(client->io, client->session);
}
void AudioPolicyService::releaseInput(audio_port_handle_t portId)
@@ -635,15 +666,15 @@
}
if (audioPolicyEffects != 0) {
// release audio processors from the input
- status_t status = audioPolicyEffects->releaseInputEffects(client->input, client->session);
+ status_t status = audioPolicyEffects->releaseInputEffects(client->io, client->session);
if(status != NO_ERROR) {
- ALOGW("Failed to release effects on input %d", client->input);
+ ALOGW("Failed to release effects on input %d", client->io);
}
}
{
Mutex::Autolock _l(mLock);
AutoCallerClear acc;
- mAudioPolicyManager->releaseInput(client->input, client->session);
+ mAudioPolicyManager->releaseInput(client->io, client->session);
}
}