Merge "AudioFlinger: return actual MMAP stream configuration after opening"
diff --git a/media/codec2/components/avc/C2SoftAvcDec.cpp b/media/codec2/components/avc/C2SoftAvcDec.cpp
index 2662f0f..bb910ad 100644
--- a/media/codec2/components/avc/C2SoftAvcDec.cpp
+++ b/media/codec2/components/avc/C2SoftAvcDec.cpp
@@ -756,8 +756,8 @@
ALOGE("not supposed to be here, invalid decoder context");
return C2_CORRUPTED;
}
- if (mStride != ALIGN64(mWidth)) {
- mStride = ALIGN64(mWidth);
+ if (mStride != ALIGN128(mWidth)) {
+ mStride = ALIGN128(mWidth);
if (OK != setParams(mStride, IVD_DECODE_FRAME)) return C2_CORRUPTED;
}
if (mOutBlock &&
diff --git a/media/codec2/components/avc/C2SoftAvcDec.h b/media/codec2/components/avc/C2SoftAvcDec.h
index 4414a26..ed27493 100644
--- a/media/codec2/components/avc/C2SoftAvcDec.h
+++ b/media/codec2/components/avc/C2SoftAvcDec.h
@@ -40,6 +40,7 @@
#define ivdext_ctl_get_vui_params_ip_t ih264d_ctl_get_vui_params_ip_t
#define ivdext_ctl_get_vui_params_op_t ih264d_ctl_get_vui_params_op_t
#define ALIGN64(x) ((((x) + 63) >> 6) << 6)
+#define ALIGN128(x) ((((x) + 127) >> 7) << 7)
#define MAX_NUM_CORES 4
#define IVDEXT_CMD_CTL_SET_NUM_CORES \
(IVD_CONTROL_API_COMMAND_TYPE_T)IH264D_CMD_CTL_SET_NUM_CORES
diff --git a/media/codec2/components/hevc/C2SoftHevcDec.cpp b/media/codec2/components/hevc/C2SoftHevcDec.cpp
index df677c2..389ea61 100644
--- a/media/codec2/components/hevc/C2SoftHevcDec.cpp
+++ b/media/codec2/components/hevc/C2SoftHevcDec.cpp
@@ -752,8 +752,8 @@
ALOGE("not supposed to be here, invalid decoder context");
return C2_CORRUPTED;
}
- if (mStride != ALIGN64(mWidth)) {
- mStride = ALIGN64(mWidth);
+ if (mStride != ALIGN128(mWidth)) {
+ mStride = ALIGN128(mWidth);
if (OK != setParams(mStride, IVD_DECODE_FRAME)) return C2_CORRUPTED;
}
if (mOutBlock &&
diff --git a/media/codec2/components/hevc/C2SoftHevcDec.h b/media/codec2/components/hevc/C2SoftHevcDec.h
index ce63a6c..aecd101 100644
--- a/media/codec2/components/hevc/C2SoftHevcDec.h
+++ b/media/codec2/components/hevc/C2SoftHevcDec.h
@@ -38,6 +38,7 @@
#define ivdext_ctl_get_vui_params_ip_t ihevcd_cxa_ctl_get_vui_params_ip_t
#define ivdext_ctl_get_vui_params_op_t ihevcd_cxa_ctl_get_vui_params_op_t
#define ALIGN64(x) ((((x) + 63) >> 6) << 6)
+#define ALIGN128(x) ((((x) + 127) >> 7) << 7)
#define MAX_NUM_CORES 4
#define IVDEXT_CMD_CTL_SET_NUM_CORES \
(IVD_CONTROL_API_COMMAND_TYPE_T)IHEVCD_CXA_CMD_CTL_SET_NUM_CORES
diff --git a/media/extractors/mpeg2/Android.bp b/media/extractors/mpeg2/Android.bp
index 83e6d73..8d9145d 100644
--- a/media/extractors/mpeg2/Android.bp
+++ b/media/extractors/mpeg2/Android.bp
@@ -71,4 +71,11 @@
"com.android.media",
"test_com.android.media",
],
+
+ static: {
+ apex_available: [
+ // Needed for unit tests
+ "//apex_available:platform",
+ ],
+ },
}
diff --git a/media/libaudiofoundation/AudioDeviceTypeAddr.cpp b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
index d390467..b44043a 100644
--- a/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
+++ b/media/libaudiofoundation/AudioDeviceTypeAddr.cpp
@@ -26,6 +26,16 @@
return mType == other.mType && mAddress == other.mAddress;
}
+bool AudioDeviceTypeAddr::operator<(const AudioDeviceTypeAddr& other) const {
+ if (mType < other.mType) return true;
+ if (mType > other.mType) return false;
+
+ if (mAddress < other.mAddress) return true;
+ // if (mAddress > other.mAddress) return false;
+
+ return false;
+}
+
void AudioDeviceTypeAddr::reset() {
mType = AUDIO_DEVICE_NONE;
mAddress = "";
diff --git a/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h b/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h
index acc37ca..60ea78e 100644
--- a/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h
+++ b/media/libaudiofoundation/include/media/AudioDeviceTypeAddr.h
@@ -39,6 +39,8 @@
AudioDeviceTypeAddr& operator= (const AudioDeviceTypeAddr&) = default;
+ bool operator<(const AudioDeviceTypeAddr& other) const;
+
void reset();
status_t readFromParcel(const Parcel *parcel) override;
diff --git a/media/libaudiohal/impl/DeviceHalHidl.cpp b/media/libaudiohal/impl/DeviceHalHidl.cpp
index 342ceb6..7d0d83d 100644
--- a/media/libaudiohal/impl/DeviceHalHidl.cpp
+++ b/media/libaudiohal/impl/DeviceHalHidl.cpp
@@ -28,6 +28,7 @@
#include <common/all-versions/VersionUtils.h>
#include "DeviceHalHidl.h"
+#include "EffectHalHidl.h"
#include "HidlUtils.h"
#include "StreamHalHidl.h"
#include "VersionUtils.h"
@@ -43,6 +44,8 @@
using namespace ::android::hardware::audio::common::CPP_VERSION;
using namespace ::android::hardware::audio::CPP_VERSION;
+using EffectHalHidl = ::android::effect::CPP_VERSION::EffectHalHidl;
+
namespace {
status_t deviceAddressFromHal(
@@ -417,6 +420,36 @@
}
#endif
+#if MAJOR_VERSION >= 6
+status_t DeviceHalHidl::addDeviceEffect(
+ audio_port_handle_t device, sp<EffectHalInterface> effect) {
+ if (mDevice == 0) return NO_INIT;
+ return processReturn("addDeviceEffect", mDevice->addDeviceEffect(
+ static_cast<AudioPortHandle>(device),
+ static_cast<EffectHalHidl*>(effect.get())->effectId()));
+}
+#else
+status_t DeviceHalHidl::addDeviceEffect(
+ audio_port_handle_t device __unused, sp<EffectHalInterface> effect __unused) {
+ return INVALID_OPERATION;
+}
+#endif
+
+#if MAJOR_VERSION >= 6
+status_t DeviceHalHidl::removeDeviceEffect(
+ audio_port_handle_t device, sp<EffectHalInterface> effect) {
+ if (mDevice == 0) return NO_INIT;
+ return processReturn("removeDeviceEffect", mDevice->removeDeviceEffect(
+ static_cast<AudioPortHandle>(device),
+ static_cast<EffectHalHidl*>(effect.get())->effectId()));
+}
+#else
+status_t DeviceHalHidl::removeDeviceEffect(
+ audio_port_handle_t device __unused, sp<EffectHalInterface> effect __unused) {
+ return INVALID_OPERATION;
+}
+#endif
+
status_t DeviceHalHidl::dump(int fd) {
if (mDevice == 0) return NO_INIT;
native_handle_t* hidlHandle = native_handle_create(1, 0);
diff --git a/media/libaudiohal/impl/DeviceHalHidl.h b/media/libaudiohal/impl/DeviceHalHidl.h
index f7d465f..d342d4a 100644
--- a/media/libaudiohal/impl/DeviceHalHidl.h
+++ b/media/libaudiohal/impl/DeviceHalHidl.h
@@ -113,6 +113,9 @@
// List microphones
virtual status_t getMicrophones(std::vector<media::MicrophoneInfo> *microphones);
+ status_t addDeviceEffect(audio_port_handle_t device, sp<EffectHalInterface> effect) override;
+ status_t removeDeviceEffect(audio_port_handle_t device, sp<EffectHalInterface> effect) override;
+
virtual status_t dump(int fd);
private:
diff --git a/media/libaudiohal/impl/DeviceHalLocal.cpp b/media/libaudiohal/impl/DeviceHalLocal.cpp
index dfbb6b2..8021d92 100644
--- a/media/libaudiohal/impl/DeviceHalLocal.cpp
+++ b/media/libaudiohal/impl/DeviceHalLocal.cpp
@@ -206,6 +206,17 @@
}
#endif
+// Local HAL implementation does not support effects
+status_t DeviceHalLocal::addDeviceEffect(
+ audio_port_handle_t device __unused, sp<EffectHalInterface> effect __unused) {
+ return INVALID_OPERATION;
+}
+
+status_t DeviceHalLocal::removeDeviceEffect(
+ audio_port_handle_t device __unused, sp<EffectHalInterface> effect __unused) {
+ return INVALID_OPERATION;
+}
+
status_t DeviceHalLocal::dump(int fd) {
return mDev->dump(mDev, fd);
}
diff --git a/media/libaudiohal/impl/DeviceHalLocal.h b/media/libaudiohal/impl/DeviceHalLocal.h
index 36db72e..d85e2a7 100644
--- a/media/libaudiohal/impl/DeviceHalLocal.h
+++ b/media/libaudiohal/impl/DeviceHalLocal.h
@@ -106,6 +106,9 @@
// List microphones
virtual status_t getMicrophones(std::vector<media::MicrophoneInfo> *microphones);
+ status_t addDeviceEffect(audio_port_handle_t device, sp<EffectHalInterface> effect) override;
+ status_t removeDeviceEffect(audio_port_handle_t device, sp<EffectHalInterface> effect) override;
+
virtual status_t dump(int fd);
void closeOutputStream(struct audio_stream_out *stream_out);
diff --git a/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h b/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h
index 2200a7f..1e04b21 100644
--- a/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h
+++ b/media/libaudiohal/include/media/audiohal/DeviceHalInterface.h
@@ -17,6 +17,7 @@
#ifndef ANDROID_HARDWARE_DEVICE_HAL_INTERFACE_H
#define ANDROID_HARDWARE_DEVICE_HAL_INTERFACE_H
+#include <media/audiohal/EffectHalInterface.h>
#include <media/MicrophoneInfo.h>
#include <system/audio.h>
#include <utils/Errors.h>
@@ -111,6 +112,11 @@
// List microphones
virtual status_t getMicrophones(std::vector<media::MicrophoneInfo> *microphones) = 0;
+ virtual status_t addDeviceEffect(
+ audio_port_handle_t device, sp<EffectHalInterface> effect) = 0;
+ virtual status_t removeDeviceEffect(
+ audio_port_handle_t device, sp<EffectHalInterface> effect) = 0;
+
virtual status_t dump(int fd) = 0;
protected:
diff --git a/media/libmediametrics/include/MediaMetricsItem.h b/media/libmediametrics/include/MediaMetricsItem.h
index dbbcaf9..536c0e1 100644
--- a/media/libmediametrics/include/MediaMetricsItem.h
+++ b/media/libmediametrics/include/MediaMetricsItem.h
@@ -1004,7 +1004,81 @@
const char *toCString();
const char *toCString(int version);
+ /**
+ * Returns true if the item has a property with a target value.
+ *
+ * If propName is nullptr, hasPropElem() returns false.
+ *
+ * \param propName is the property name.
+ * \param elem is the value to match. std::monostate matches any.
+ */
+ bool hasPropElem(const char *propName, const Prop::Elem& elem) const {
+ if (propName == nullptr) return false;
+ const Prop::Elem *e = get(propName);
+ return e != nullptr && (std::holds_alternative<std::monostate>(elem) || elem == *e);
+ }
+
+ /**
+ * Returns -2, -1, 0 (success) if the item has a property (wildcard matched) with a
+ * target value.
+ *
+ * The enum RecursiveWildcardCheck designates the meaning of the returned value.
+ *
+ * RECURSIVE_WILDCARD_CHECK_NO_MATCH_NO_WILDCARD = -2,
+ * RECURSIVE_WILDCARD_CHECK_NO_MATCH_WILDCARD_FOUND = -1,
+ * RECURSIVE_WILDCARD_CHECK_MATCH_FOUND = 0.
+ *
+ * If url is nullptr, RECURSIVE_WILDCARD_CHECK_NO_MATCH_NO_WILDCARD is returned.
+ *
+ * \param url is the full item + property name, which may have wildcards '*'
+ * denoting an arbitrary sequence of 0 or more characters.
+ * \param elem is the target property value to match. std::monostate matches any.
+ * \return 0 if the property was matched,
+ * -1 if the property was not matched and a wildcard char was encountered,
+ * -2 if the property was not matched with no wildcard char encountered.
+ */
+ enum RecursiveWildcardCheck {
+ RECURSIVE_WILDCARD_CHECK_NO_MATCH_NO_WILDCARD = -2,
+ RECURSIVE_WILDCARD_CHECK_NO_MATCH_WILDCARD_FOUND = -1,
+ RECURSIVE_WILDCARD_CHECK_MATCH_FOUND = 0,
+ };
+
+ enum RecursiveWildcardCheck recursiveWildcardCheckElem(
+ const char *url, const Prop::Elem& elem) const {
+ if (url == nullptr) return RECURSIVE_WILDCARD_CHECK_NO_MATCH_NO_WILDCARD;
+ return recursiveWildcardCheckElem(getKey().c_str(), url, elem);
+ }
+
private:
+
+ enum RecursiveWildcardCheck recursiveWildcardCheckElem(
+ const char *itemKeyPtr, const char *url, const Prop::Elem& elem) const {
+ for (; *url && *itemKeyPtr; ++url, ++itemKeyPtr) {
+ if (*url != *itemKeyPtr) {
+ if (*url == '*') { // wildcard
+ ++url;
+ while (true) {
+ if (recursiveWildcardCheckElem(itemKeyPtr, url, elem)
+ == RECURSIVE_WILDCARD_CHECK_MATCH_FOUND) {
+ return RECURSIVE_WILDCARD_CHECK_MATCH_FOUND;
+ }
+ if (*itemKeyPtr == 0) break;
+ ++itemKeyPtr;
+ }
+ return RECURSIVE_WILDCARD_CHECK_NO_MATCH_WILDCARD_FOUND;
+ }
+ return RECURSIVE_WILDCARD_CHECK_NO_MATCH_NO_WILDCARD;
+ }
+ }
+ if (itemKeyPtr[0] != 0 || url[0] != '.') {
+ return RECURSIVE_WILDCARD_CHECK_NO_MATCH_NO_WILDCARD;
+ }
+ const char *propName = url + 1; // skip the '.'
+ return hasPropElem(propName, elem)
+ ? RECURSIVE_WILDCARD_CHECK_MATCH_FOUND
+ : RECURSIVE_WILDCARD_CHECK_NO_MATCH_NO_WILDCARD;
+ }
+
// handle Parcel version 0
int32_t writeToParcel0(Parcel *) const;
int32_t readFromParcel0(const Parcel&);
diff --git a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
index 3388097..c1c4b55 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
+++ b/media/libmediaplayerservice/nuplayer/NuPlayer.cpp
@@ -1798,7 +1798,9 @@
}
void NuPlayer::closeAudioSink() {
- mRenderer->closeAudioSink();
+ if (mRenderer != NULL) {
+ mRenderer->closeAudioSink();
+ }
}
void NuPlayer::restartAudio(
diff --git a/media/tests/benchmark/MediaBenchmarkTest/Android.bp b/media/tests/benchmark/MediaBenchmarkTest/Android.bp
index 489ab04..d80d9a5 100644
--- a/media/tests/benchmark/MediaBenchmarkTest/Android.bp
+++ b/media/tests/benchmark/MediaBenchmarkTest/Android.bp
@@ -17,11 +17,13 @@
android_test {
name: "MediaBenchmarkTest",
+ defaults: [
+ "MediaBenchmark-defaults",
+ ],
+
// Include all the test code
srcs: ["src/androidTest/**/*.java"],
- sdk_version: "system_current",
-
resource_dirs: ["res"],
libs: [
@@ -43,12 +45,22 @@
android_library {
name: "libMediaBenchmark",
+ defaults: [
+ "MediaBenchmark-defaults",
+ ],
+
// Include all the libraries
srcs: ["src/main/**/*.java"],
- sdk_version: "system_current",
-
static_libs: [
"androidx.test.core",
],
}
+
+java_defaults {
+ name: "MediaBenchmark-defaults",
+
+ sdk_version: "system_current",
+ min_sdk_version: "28",
+ target_sdk_version: "29",
+}
diff --git a/services/audioflinger/Android.bp b/services/audioflinger/Android.bp
index de8c7e7..c58360d 100644
--- a/services/audioflinger/Android.bp
+++ b/services/audioflinger/Android.bp
@@ -9,6 +9,7 @@
"AudioStreamOut.cpp",
"AudioWatchdog.cpp",
"BufLog.cpp",
+ "DeviceEffectManager.cpp",
"Effects.cpp",
"FastCapture.cpp",
"FastCaptureDumpState.cpp",
diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index 13b5622..ee4c5ba 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -170,6 +170,7 @@
mClientSharedHeapSize(kMinimumClientSharedHeapSizeBytes),
mGlobalEffectEnableTime(0),
mPatchPanel(this),
+ mDeviceEffectManager(this),
mSystemReady(false)
{
// unsigned instead of audio_unique_id_use_t, because ++ operator is unavailable for enum
@@ -385,6 +386,24 @@
}
}
+status_t AudioFlinger::addEffectToHal(audio_port_handle_t deviceId,
+ audio_module_handle_t hwModuleId, sp<EffectHalInterface> effect) {
+ AudioHwDevice *audioHwDevice = mAudioHwDevs.valueFor(hwModuleId);
+ if (audioHwDevice == nullptr) {
+ return NO_INIT;
+ }
+ return audioHwDevice->hwDevice()->addDeviceEffect(deviceId, effect);
+}
+
+status_t AudioFlinger::removeEffectFromHal(audio_port_handle_t deviceId,
+ audio_module_handle_t hwModuleId, sp<EffectHalInterface> effect) {
+ AudioHwDevice *audioHwDevice = mAudioHwDevs.valueFor(hwModuleId);
+ if (audioHwDevice == nullptr) {
+ return NO_INIT;
+ }
+ return audioHwDevice->hwDevice()->removeDeviceEffect(deviceId, effect);
+}
+
static const char * const audio_interfaces[] = {
AUDIO_HARDWARE_MODULE_ID_PRIMARY,
AUDIO_HARDWARE_MODULE_ID_A2DP,
@@ -425,31 +444,30 @@
void AudioFlinger::dumpClients(int fd, const Vector<String16>& args __unused)
{
- const size_t SIZE = 256;
- char buffer[SIZE];
String8 result;
result.append("Clients:\n");
for (size_t i = 0; i < mClients.size(); ++i) {
sp<Client> client = mClients.valueAt(i).promote();
if (client != 0) {
- snprintf(buffer, SIZE, " pid: %d\n", client->pid());
- result.append(buffer);
+ result.appendFormat(" pid: %d\n", client->pid());
}
}
result.append("Notification Clients:\n");
+ result.append(" pid uid name\n");
for (size_t i = 0; i < mNotificationClients.size(); ++i) {
- snprintf(buffer, SIZE, " pid: %d\n", mNotificationClients.keyAt(i));
- result.append(buffer);
+ const pid_t pid = mNotificationClients[i]->getPid();
+ const uid_t uid = mNotificationClients[i]->getUid();
+ const mediautils::UidInfo::Info info = mUidInfo.getInfo(uid);
+ result.appendFormat("%6d %6u %s\n", pid, uid, info.package.c_str());
}
result.append("Global session refs:\n");
- result.append(" session pid count\n");
+ result.append(" session cnt pid\n");
for (size_t i = 0; i < mAudioSessionRefs.size(); i++) {
AudioSessionRef *r = mAudioSessionRefs[i];
- snprintf(buffer, SIZE, " %7d %5d %5d\n", r->mSessionid, r->mPid, r->mCnt);
- result.append(buffer);
+ result.appendFormat(" %7d %4d %7d\n", r->mSessionid, r->mCnt, r->mPid);
}
write(fd, result.string(), result.size());
}
@@ -561,6 +579,8 @@
mPatchPanel.dump(fd);
+ mDeviceEffectManager.dump(fd);
+
// dump external setParameters
auto dumpLogger = [fd](SimpleLog& logger, const char* name) {
dprintf(fd, "\n%s setParameters:\n", name);
@@ -1697,13 +1717,16 @@
return;
}
pid_t pid = IPCThreadState::self()->getCallingPid();
+ const uid_t uid = IPCThreadState::self()->getCallingUid();
{
Mutex::Autolock _cl(mClientLock);
if (mNotificationClients.indexOfKey(pid) < 0) {
sp<NotificationClient> notificationClient = new NotificationClient(this,
client,
- pid);
- ALOGV("registerClient() client %p, pid %d", notificationClient.get(), pid);
+ pid,
+ uid);
+ ALOGV("registerClient() client %p, pid %d, uid %u",
+ notificationClient.get(), pid, uid);
mNotificationClients.add(pid, notificationClient);
@@ -1843,8 +1866,9 @@
AudioFlinger::NotificationClient::NotificationClient(const sp<AudioFlinger>& audioFlinger,
const sp<IAudioFlingerClient>& client,
- pid_t pid)
- : mAudioFlinger(audioFlinger), mPid(pid), mAudioFlingerClient(client)
+ pid_t pid,
+ uid_t uid)
+ : mAudioFlinger(audioFlinger), mPid(pid), mUid(uid), mAudioFlingerClient(client)
{
}
@@ -3318,7 +3342,7 @@
int32_t priority,
audio_io_handle_t io,
audio_session_t sessionId,
- const AudioDeviceTypeAddr& device __unused,
+ const AudioDeviceTypeAddr& device,
const String16& opPackageName,
pid_t pid,
status_t *status,
@@ -3382,7 +3406,6 @@
lStatus = BAD_VALUE;
goto Exit;
}
- //TODO: add check on device ID when added to arguments
} else {
// general sessionId.
@@ -3435,6 +3458,23 @@
Mutex::Autolock _l(mLock);
+ if (sessionId == AUDIO_SESSION_DEVICE) {
+ sp<Client> client = registerPid(pid);
+ ALOGV("%s device type %d address %s", __func__, device.mType, device.getAddress());
+ handle = mDeviceEffectManager.createEffect_l(
+ &desc, device, client, effectClient, mPatchPanel.patches_l(),
+ enabled, &lStatus);
+ if (lStatus != NO_ERROR && lStatus != ALREADY_EXISTS) {
+ // remove local strong reference to Client with mClientLock held
+ Mutex::Autolock _cl(mClientLock);
+ client.clear();
+ } else {
+ // handle must be valid here, but check again to be safe.
+ if (handle.get() != nullptr && id != nullptr) *id = handle->id();
+ }
+ goto Register;
+ }
+
// If output is not specified try to find a matching audio session ID in one of the
// output threads.
// If output is 0 here, sessionId is neither SESSION_OUTPUT_STAGE nor SESSION_OUTPUT_MIX
@@ -3529,6 +3569,7 @@
}
}
+Register:
if (lStatus == NO_ERROR || lStatus == ALREADY_EXISTS) {
// Check CPU and memory usage
sp<EffectBase> effect = handle->effect().promote();
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 5f55ddb..5c975e1 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -71,6 +71,7 @@
#include <media/DeviceDescriptorBase.h>
#include <media/ExtendedAudioBufferProvider.h>
#include <media/VolumeShaper.h>
+#include <mediautils/ServiceUtilities.h>
#include <audio_utils/clock.h>
#include <audio_utils/FdToString.h>
@@ -308,6 +309,12 @@
static int onExternalVibrationStart(const sp<os::ExternalVibration>& externalVibration);
static void onExternalVibrationStop(const sp<os::ExternalVibration>& externalVibration);
+
+ status_t addEffectToHal(audio_port_handle_t deviceId,
+ audio_module_handle_t hwModuleId, sp<EffectHalInterface> effect);
+ status_t removeEffectFromHal(audio_port_handle_t deviceId,
+ audio_module_handle_t hwModuleId, sp<EffectHalInterface> effect);
+
private:
// FIXME The 400 is temporarily too high until a leak of writers in media.log is fixed.
static const size_t kLogMemorySize = 400 * 1024;
@@ -474,10 +481,13 @@
public:
NotificationClient(const sp<AudioFlinger>& audioFlinger,
const sp<IAudioFlingerClient>& client,
- pid_t pid);
+ pid_t pid,
+ uid_t uid);
virtual ~NotificationClient();
sp<IAudioFlingerClient> audioFlingerClient() const { return mAudioFlingerClient; }
+ pid_t getPid() const { return mPid; }
+ uid_t getUid() const { return mUid; }
// IBinder::DeathRecipient
virtual void binderDied(const wp<IBinder>& who);
@@ -487,6 +497,7 @@
const sp<AudioFlinger> mAudioFlinger;
const pid_t mPid;
+ const uid_t mUid;
const sp<IAudioFlingerClient> mAudioFlingerClient;
};
@@ -537,6 +548,10 @@
class EffectModule;
class EffectHandle;
class EffectChain;
+ class DeviceEffectProxy;
+ class DeviceEffectManager;
+ class PatchPanel;
+ class DeviceEffectManagerCallback;
struct AudioStreamIn;
struct TeePatch;
@@ -574,9 +589,11 @@
#include "Threads.h"
+#include "PatchPanel.h"
+
#include "Effects.h"
-#include "PatchPanel.h"
+#include "DeviceEffectManager.h"
// Find io handle by session id.
// Preference is given to an io handle with a matching effect chain to session id.
@@ -922,8 +939,12 @@
PatchPanel mPatchPanel;
sp<EffectsFactoryHalInterface> mEffectsFactoryHal;
+ DeviceEffectManager mDeviceEffectManager;
+
bool mSystemReady;
+ mediautils::UidInfo mUidInfo;
+
SimpleLog mRejectedSetParameterLog;
SimpleLog mAppSetParameterLog;
SimpleLog mSystemSetParameterLog;
diff --git a/services/audioflinger/DeviceEffectManager.cpp b/services/audioflinger/DeviceEffectManager.cpp
new file mode 100644
index 0000000..87a4c6e
--- /dev/null
+++ b/services/audioflinger/DeviceEffectManager.cpp
@@ -0,0 +1,277 @@
+/*
+**
+** Copyright 2019, 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.
+*/
+
+
+#define LOG_TAG "AudioFlinger::DeviceEffectManager"
+//#define LOG_NDEBUG 0
+
+#include <utils/Log.h>
+#include <audio_utils/primitives.h>
+
+#include "AudioFlinger.h"
+#include <media/audiohal/EffectsFactoryHalInterface.h>
+
+// ----------------------------------------------------------------------------
+
+
+namespace android {
+
+void AudioFlinger::DeviceEffectManager::createAudioPatch(audio_patch_handle_t handle,
+ const PatchPanel::Patch& patch) {
+ ALOGV("%s handle %d mHalHandle %d num sinks %d device sink %08x",
+ __func__, handle, patch.mHalHandle,
+ patch.mAudioPatch.num_sinks,
+ patch.mAudioPatch.num_sinks > 0 ? patch.mAudioPatch.sinks[0].ext.device.type : 0);
+
+ mCommandThread->createAudioPatchCommand(handle, patch);
+}
+
+void AudioFlinger::DeviceEffectManager::onCreateAudioPatch(audio_patch_handle_t handle,
+ const PatchPanel::Patch& patch) {
+ ALOGV("%s handle %d mHalHandle %d device sink %08x",
+ __func__, handle, patch.mHalHandle,
+ patch.mAudioPatch.num_sinks > 0 ? patch.mAudioPatch.sinks[0].ext.device.type : 0);
+ Mutex::Autolock _l(mLock);
+ for (auto& effect : mDeviceEffects) {
+ status_t status = effect.second->onCreatePatch(handle, patch);
+ ALOGV("%s Effect onCreatePatch status %d", __func__, status);
+ ALOGW_IF(status == BAD_VALUE, "%s onCreatePatch error %d", __func__, status);
+ }
+}
+
+void AudioFlinger::DeviceEffectManager::releaseAudioPatch(audio_patch_handle_t handle) {
+ ALOGV("%s", __func__);
+ mCommandThread->releaseAudioPatchCommand(handle);
+}
+
+void AudioFlinger::DeviceEffectManager::onReleaseAudioPatch(audio_patch_handle_t handle) {
+ ALOGV("%s", __func__);
+ Mutex::Autolock _l(mLock);
+ for (auto& effect : mDeviceEffects) {
+ effect.second->onReleasePatch(handle);
+ }
+}
+
+// DeviceEffectManager::createEffect_l() must be called with AudioFlinger::mLock held
+sp<AudioFlinger::EffectHandle> AudioFlinger::DeviceEffectManager::createEffect_l(
+ effect_descriptor_t *descriptor,
+ const AudioDeviceTypeAddr& device,
+ const sp<AudioFlinger::Client>& client,
+ const sp<IEffectClient>& effectClient,
+ const std::map<audio_patch_handle_t, PatchPanel::Patch>& patches,
+ int *enabled,
+ status_t *status) {
+ sp<DeviceEffectProxy> effect;
+ sp<EffectHandle> handle;
+ status_t lStatus;
+
+ lStatus = checkEffectCompatibility(descriptor);
+ if (lStatus != NO_ERROR) {
+ *status = lStatus;
+ return handle;
+ }
+
+ {
+ Mutex::Autolock _l(mLock);
+ auto iter = mDeviceEffects.find(device);
+ if (iter != mDeviceEffects.end()) {
+ effect = iter->second;
+ } else {
+ effect = new DeviceEffectProxy(device, mMyCallback,
+ descriptor, mAudioFlinger.nextUniqueId(AUDIO_UNIQUE_ID_USE_EFFECT));
+ }
+ // create effect handle and connect it to effect module
+ handle = new EffectHandle(effect, client, effectClient, 0 /*priority*/);
+ lStatus = handle->initCheck();
+ if (lStatus == NO_ERROR) {
+ lStatus = effect->addHandle(handle.get());
+ if (lStatus == NO_ERROR) {
+ effect->init(patches);
+ mDeviceEffects.emplace(device, effect);
+ }
+ }
+ }
+ if (enabled != NULL) {
+ *enabled = (int)effect->isEnabled();
+ }
+ *status = lStatus;
+ return handle;
+}
+
+status_t AudioFlinger::DeviceEffectManager::checkEffectCompatibility(
+ const effect_descriptor_t *desc) {
+
+ if ((desc->flags & EFFECT_FLAG_TYPE_MASK) != EFFECT_FLAG_TYPE_PRE_PROC
+ && (desc->flags & EFFECT_FLAG_TYPE_MASK) != EFFECT_FLAG_TYPE_POST_PROC) {
+ ALOGW("%s() non pre/post processing device effect %s", __func__, desc->name);
+ return BAD_VALUE;
+ }
+
+ return NO_ERROR;
+}
+
+status_t AudioFlinger::DeviceEffectManager::createEffectHal(
+ const effect_uuid_t *pEffectUuid, int32_t sessionId, int32_t deviceId,
+ sp<EffectHalInterface> *effect) {
+ status_t status = NO_INIT;
+ sp<EffectsFactoryHalInterface> effectsFactory = mAudioFlinger.getEffectsFactory();
+ if (effectsFactory != 0) {
+ status = effectsFactory->createEffect(
+ pEffectUuid, sessionId, AUDIO_IO_HANDLE_NONE, deviceId, effect);
+ }
+ return status;
+}
+
+void AudioFlinger::DeviceEffectManager::dump(int fd) {
+ const bool locked = dumpTryLock(mLock);
+ if (!locked) {
+ String8 result("DeviceEffectManager may be deadlocked\n");
+ write(fd, result.string(), result.size());
+ }
+
+ write(fd, "\nDevice Effects:\n", sizeof("\nDevice Effects:\n"));
+ for (const auto& iter : mDeviceEffects) {
+ String8 outStr;
+ outStr.appendFormat("%*sEffect for device %s address %s:\n", 2, "",
+ ::android::toString(iter.first.mType).c_str(), iter.first.getAddress());
+ write(fd, outStr.string(), outStr.size());
+ iter.second->dump(fd, 4);
+ }
+
+ if (locked) {
+ mLock.unlock();
+ }
+}
+
+
+size_t AudioFlinger::DeviceEffectManager::removeEffect(const sp<DeviceEffectProxy>& effect)
+{
+ Mutex::Autolock _l(mLock);
+ mDeviceEffects.erase(effect->device());
+ return mDeviceEffects.size();
+}
+
+bool AudioFlinger::DeviceEffectManagerCallback::disconnectEffectHandle(
+ EffectHandle *handle, bool unpinIfLast) {
+ sp<EffectBase> effectBase = handle->effect().promote();
+ if (effectBase == nullptr) {
+ return false;
+ }
+
+ sp<DeviceEffectProxy> effect = effectBase->asDeviceEffectProxy();
+ if (effect == nullptr) {
+ return false;
+ }
+ // restore suspended effects if the disconnected handle was enabled and the last one.
+ bool remove = (effect->removeHandle(handle) == 0) && (!effect->isPinned() || unpinIfLast);
+ if (remove) {
+ mManager.removeEffect(effect);
+ if (handle->enabled()) {
+ effectBase->checkSuspendOnEffectEnabled(false, false /*threadLocked*/);
+ }
+ }
+ return true;
+}
+
+// ----------- DeviceEffectManager::CommandThread implementation ----------
+
+
+AudioFlinger::DeviceEffectManager::CommandThread::~CommandThread()
+{
+ Mutex::Autolock _l(mLock);
+ mCommands.clear();
+}
+
+void AudioFlinger::DeviceEffectManager::CommandThread::onFirstRef()
+{
+ run("DeviceEffectManage_CommandThread", ANDROID_PRIORITY_AUDIO);
+}
+
+bool AudioFlinger::DeviceEffectManager::CommandThread::threadLoop()
+{
+ mLock.lock();
+ while (!exitPending())
+ {
+ while (!mCommands.empty() && !exitPending()) {
+ sp<Command> command = mCommands.front();
+ mCommands.pop_front();
+ mLock.unlock();
+
+ switch (command->mCommand) {
+ case CREATE_AUDIO_PATCH: {
+ CreateAudioPatchData *data = (CreateAudioPatchData *)command->mData.get();
+ ALOGV("CommandThread() processing create audio patch handle %d", data->mHandle);
+ mManager.onCreateAudioPatch(data->mHandle, data->mPatch);
+ } break;
+ case RELEASE_AUDIO_PATCH: {
+ ReleaseAudioPatchData *data = (ReleaseAudioPatchData *)command->mData.get();
+ ALOGV("CommandThread() processing release audio patch handle %d", data->mHandle);
+ mManager.onReleaseAudioPatch(data->mHandle);
+ } break;
+ default:
+ ALOGW("CommandThread() unknown command %d", command->mCommand);
+ }
+ mLock.lock();
+ }
+
+ // At this stage we have either an empty command queue or the first command in the queue
+ // has a finite delay. So unless we are exiting it is safe to wait.
+ if (!exitPending()) {
+ ALOGV("CommandThread() going to sleep");
+ mWaitWorkCV.wait(mLock);
+ }
+ }
+ mLock.unlock();
+ return false;
+}
+
+void AudioFlinger::DeviceEffectManager::CommandThread::sendCommand(sp<Command> command) {
+ Mutex::Autolock _l(mLock);
+ mCommands.push_back(command);
+ mWaitWorkCV.signal();
+}
+
+void AudioFlinger::DeviceEffectManager::CommandThread::createAudioPatchCommand(
+ audio_patch_handle_t handle, const PatchPanel::Patch& patch)
+{
+ sp<Command> command = new Command(CREATE_AUDIO_PATCH, new CreateAudioPatchData(handle, patch));
+ ALOGV("CommandThread() adding create patch handle %d mHalHandle %d.", handle, patch.mHalHandle);
+ sendCommand(command);
+}
+
+void AudioFlinger::DeviceEffectManager::CommandThread::releaseAudioPatchCommand(
+ audio_patch_handle_t handle)
+{
+ sp<Command> command = new Command(RELEASE_AUDIO_PATCH, new ReleaseAudioPatchData(handle));
+ ALOGV("CommandThread() adding release patch");
+ sendCommand(command);
+}
+
+void AudioFlinger::DeviceEffectManager::CommandThread::exit()
+{
+ ALOGV("CommandThread::exit");
+ {
+ AutoMutex _l(mLock);
+ requestExit();
+ mWaitWorkCV.signal();
+ }
+ // Note that we can call it from the thread loop if all other references have been released
+ // but it will safely return WOULD_BLOCK in this case
+ requestExitAndWait();
+}
+
+} // namespace android
diff --git a/services/audioflinger/DeviceEffectManager.h b/services/audioflinger/DeviceEffectManager.h
new file mode 100644
index 0000000..14ff14d
--- /dev/null
+++ b/services/audioflinger/DeviceEffectManager.h
@@ -0,0 +1,203 @@
+/*
+**
+** Copyright 2019, 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 INCLUDING_FROM_AUDIOFLINGER_H
+ #error This header file should only be included from AudioFlinger.h
+#endif
+
+// DeviceEffectManager is concealed within AudioFlinger, their lifetimes are the same.
+class DeviceEffectManager {
+public:
+ explicit DeviceEffectManager(AudioFlinger* audioFlinger)
+ : mCommandThread(new CommandThread(*this)), mAudioFlinger(*audioFlinger),
+ mMyCallback(new DeviceEffectManagerCallback(this)) {}
+
+ ~DeviceEffectManager() {
+ mCommandThread->exit();
+ }
+
+ sp<EffectHandle> createEffect_l(effect_descriptor_t *descriptor,
+ const AudioDeviceTypeAddr& device,
+ const sp<AudioFlinger::Client>& client,
+ const sp<IEffectClient>& effectClient,
+ const std::map<audio_patch_handle_t, PatchPanel::Patch>& patches,
+ int *enabled,
+ status_t *status);
+ void createAudioPatch(audio_patch_handle_t handle, const PatchPanel::Patch& patch);
+ void releaseAudioPatch(audio_patch_handle_t handle);
+
+ size_t removeEffect(const sp<DeviceEffectProxy>& effect);
+ status_t createEffectHal(const effect_uuid_t *pEffectUuid,
+ int32_t sessionId, int32_t deviceId,
+ sp<EffectHalInterface> *effect);
+ status_t addEffectToHal(audio_port_handle_t deviceId, audio_module_handle_t hwModuleId,
+ sp<EffectHalInterface> effect) {
+ return mAudioFlinger.addEffectToHal(deviceId, hwModuleId, effect);
+ };
+ status_t removeEffectFromHal(audio_port_handle_t deviceId, audio_module_handle_t hwModuleId,
+ sp<EffectHalInterface> effect) {
+ return mAudioFlinger.removeEffectFromHal(deviceId, hwModuleId, effect);
+ };
+
+ AudioFlinger& audioFlinger() const { return mAudioFlinger; }
+
+ void dump(int fd);
+
+private:
+
+ // Thread to execute create and release patch commands asynchronously. This is needed because
+ // PatchPanel::createAudioPatch and releaseAudioPatch are executed from audio policy service
+ // with mutex locked and effect management requires to call back into audio policy service
+ class Command;
+ class CommandThread : public Thread {
+ public:
+
+ enum {
+ CREATE_AUDIO_PATCH,
+ RELEASE_AUDIO_PATCH,
+ };
+
+ CommandThread(DeviceEffectManager& manager)
+ : Thread(false), mManager(manager) {}
+ ~CommandThread() override;
+
+ // Thread virtuals
+ void onFirstRef() override;
+ bool threadLoop() override;
+
+ void exit();
+
+ void createAudioPatchCommand(audio_patch_handle_t handle,
+ const PatchPanel::Patch& patch);
+ void releaseAudioPatchCommand(audio_patch_handle_t handle);
+
+ private:
+ class CommandData;
+
+ // descriptor for requested tone playback event
+ class Command: public RefBase {
+ public:
+ Command() = default;
+ Command(int command, sp<CommandData> data)
+ : mCommand(command), mData(data) {}
+
+ int mCommand = -1;
+ sp<CommandData> mData;
+ };
+
+ class CommandData: public RefBase {
+ public:
+ virtual ~CommandData() = default;
+ };
+
+ class CreateAudioPatchData : public CommandData {
+ public:
+ CreateAudioPatchData(audio_patch_handle_t handle, const PatchPanel::Patch& patch)
+ : mHandle(handle), mPatch(patch) {}
+
+ audio_patch_handle_t mHandle;
+ const PatchPanel::Patch mPatch;
+ };
+
+ class ReleaseAudioPatchData : public CommandData {
+ public:
+ ReleaseAudioPatchData(audio_patch_handle_t handle)
+ : mHandle(handle) {}
+
+ audio_patch_handle_t mHandle;
+ };
+
+ void sendCommand(sp<Command> command);
+
+ Mutex mLock;
+ Condition mWaitWorkCV;
+ std::deque <sp<Command>> mCommands; // list of pending commands
+ DeviceEffectManager& mManager;
+ };
+
+ void onCreateAudioPatch(audio_patch_handle_t handle, const PatchPanel::Patch& patch);
+ void onReleaseAudioPatch(audio_patch_handle_t handle);
+
+ status_t checkEffectCompatibility(const effect_descriptor_t *desc);
+
+ Mutex mLock;
+ sp<CommandThread> mCommandThread;
+ AudioFlinger &mAudioFlinger;
+ const sp<DeviceEffectManagerCallback> mMyCallback;
+ std::map<AudioDeviceTypeAddr, sp<DeviceEffectProxy>> mDeviceEffects;
+};
+
+class DeviceEffectManagerCallback : public EffectCallbackInterface {
+public:
+ DeviceEffectManagerCallback(DeviceEffectManager *manager)
+ : mManager(*manager) {}
+
+ status_t createEffectHal(const effect_uuid_t *pEffectUuid,
+ int32_t sessionId, int32_t deviceId,
+ sp<EffectHalInterface> *effect) override {
+ return mManager.createEffectHal(pEffectUuid, sessionId, deviceId, effect);
+ }
+ status_t allocateHalBuffer(size_t size __unused,
+ sp<EffectBufferHalInterface>* buffer __unused) override { return NO_ERROR; }
+ bool updateOrphanEffectChains(const sp<EffectBase>& effect __unused) override { return false; }
+
+ audio_io_handle_t io() const override { return AUDIO_IO_HANDLE_NONE; }
+ bool isOutput() const override { return false; }
+ bool isOffload() const override { return false; }
+ bool isOffloadOrDirect() const override { return false; }
+ bool isOffloadOrMmap() const override { return false; }
+
+ uint32_t sampleRate() const override { return 0; }
+ audio_channel_mask_t channelMask() const override { return AUDIO_CHANNEL_NONE; }
+ uint32_t channelCount() const override { return 0; }
+ size_t frameCount() const override { return 0; }
+ uint32_t latency() const override { return 0; }
+
+ status_t addEffectToHal(sp<EffectHalInterface> effect __unused) override {
+ return NO_ERROR;
+ }
+ status_t removeEffectFromHal(sp<EffectHalInterface> effect __unused) override {
+ return NO_ERROR;
+ }
+
+ bool disconnectEffectHandle(EffectHandle *handle, bool unpinIfLast) override;
+ void setVolumeForOutput(float left __unused, float right __unused) const override {}
+
+ // check if effects should be suspended or restored when a given effect is enable or disabled
+ void checkSuspendOnEffectEnabled(const sp<EffectBase>& effect __unused,
+ bool enabled __unused, bool threadLocked __unused) override {}
+ void resetVolume() override {}
+ uint32_t strategy() const override { return 0; }
+ int32_t activeTrackCnt() const override { return 0; }
+ void onEffectEnable(const sp<EffectBase>& effect __unused) override {}
+ void onEffectDisable(const sp<EffectBase>& effect __unused) override {}
+
+ wp<EffectChain> chain() const override { return nullptr; }
+
+ int newEffectId() { return mManager.audioFlinger().nextUniqueId(AUDIO_UNIQUE_ID_USE_EFFECT); }
+
+ status_t addEffectToHal(audio_port_handle_t deviceId,
+ audio_module_handle_t hwModuleId, sp<EffectHalInterface> effect) {
+ return mManager.addEffectToHal(deviceId, hwModuleId, effect);
+ }
+ status_t removeEffectFromHal(audio_port_handle_t deviceId,
+ audio_module_handle_t hwModuleId, sp<EffectHalInterface> effect) {
+ return mManager.removeEffectFromHal(deviceId, hwModuleId, effect);
+ }
+private:
+ DeviceEffectManager& mManager;
+};
diff --git a/services/audioflinger/Effects.cpp b/services/audioflinger/Effects.cpp
index 4d37c94..70c56e3 100644
--- a/services/audioflinger/Effects.cpp
+++ b/services/audioflinger/Effects.cpp
@@ -512,7 +512,8 @@
effect_descriptor_t *desc,
int id,
audio_session_t sessionId,
- bool pinned)
+ bool pinned,
+ audio_port_handle_t deviceId)
: EffectBase(callback, desc, id, sessionId, pinned),
// clear mConfig to ensure consistent initial value of buffer framecount
// in case buffers are associated by setInBuffer() or setOutBuffer()
@@ -531,7 +532,7 @@
// create effect engine from effect factory
mStatus = callback->createEffectHal(
- &desc->uuid, sessionId, AUDIO_PORT_HANDLE_NONE, &mEffectInterface);
+ &desc->uuid, sessionId, deviceId, &mEffectInterface);
if (mStatus != NO_ERROR) {
return;
}
@@ -886,7 +887,7 @@
mConfig.outputCfg.format = EFFECT_BUFFER_FORMAT;
// Don't use sample rate for thread if effect isn't offloadable.
- if (mCallback->isOffload() && !isOffloaded()) {
+ if (mCallback->isOffloadOrDirect() && !isOffloaded()) {
mConfig.inputCfg.samplingRate = DEFAULT_OUTPUT_SAMPLE_RATE;
ALOGV("Overriding effect input as 48kHz");
} else {
@@ -1602,7 +1603,7 @@
mEffect(effect), mEffectClient(effectClient), mClient(client), mCblk(NULL),
mPriority(priority), mHasControl(false), mEnabled(false), mDisconnected(false)
{
- ALOGV("constructor %p", this);
+ ALOGV("constructor %p client %p", this, client.get());
if (client == 0) {
return;
@@ -1790,12 +1791,13 @@
if (!mHasControl && cmdCode != EFFECT_CMD_GET_PARAM) {
return INVALID_OPERATION;
}
- if (mClient == 0) {
- return INVALID_OPERATION;
- }
// handle commands that are not forwarded transparently to effect engine
if (cmdCode == EFFECT_CMD_SET_PARAM_COMMIT) {
+ if (mClient == 0) {
+ return INVALID_OPERATION;
+ }
+
if (*replySize < sizeof(int)) {
android_errorWriteLog(0x534e4554, "32095713");
return BAD_VALUE;
@@ -1830,12 +1832,13 @@
}
// copy to local memory in case of client corruption b/32220769
- param = (effect_param_t *)realloc(param, size);
- if (param == NULL) {
+ auto *newParam = (effect_param_t *)realloc(param, size);
+ if (newParam == NULL) {
ALOGW("command(): out of memory");
status = NO_MEMORY;
break;
}
+ param = newParam;
memcpy(param, p, size);
int reply = 0;
@@ -2084,7 +2087,7 @@
bool pinned)
{
Mutex::Autolock _l(mLock);
- effect = new EffectModule(mEffectCallback, desc, id, sessionId, pinned);
+ effect = new EffectModule(mEffectCallback, desc, id, sessionId, pinned, AUDIO_PORT_HANDLE_NONE);
status_t lStatus = effect->status();
if (lStatus == NO_ERROR) {
lStatus = addEffect_ll(effect);
@@ -2918,4 +2921,326 @@
return c->activeTrackCnt();
}
+
+#undef LOG_TAG
+#define LOG_TAG "AudioFlinger::DeviceEffectProxy"
+
+status_t AudioFlinger::DeviceEffectProxy::setEnabled(bool enabled, bool fromHandle)
+{
+ status_t status = EffectBase::setEnabled(enabled, fromHandle);
+ Mutex::Autolock _l(mProxyLock);
+ if (status == NO_ERROR) {
+ for (auto& handle : mEffectHandles) {
+ if (enabled) {
+ status = handle.second->enable();
+ } else {
+ status = handle.second->disable();
+ }
+ }
+ }
+ ALOGV("%s enable %d status %d", __func__, enabled, status);
+ return status;
+}
+
+status_t AudioFlinger::DeviceEffectProxy::init(
+ const std::map <audio_patch_handle_t, PatchPanel::Patch>& patches) {
+//For all audio patches
+//If src or sink device match
+//If the effect is HW accelerated
+// if no corresponding effect module
+// Create EffectModule: mHalEffect
+//Create and attach EffectHandle
+//If the effect is not HW accelerated and the patch sink or src is a mixer port
+// Create Effect on patch input or output thread on session -1
+//Add EffectHandle to EffectHandle map of Effect Proxy:
+ ALOGV("%s device type %d address %s", __func__, mDevice.mType, mDevice.getAddress());
+ status_t status = NO_ERROR;
+ for (auto &patch : patches) {
+ status = onCreatePatch(patch.first, patch.second);
+ ALOGV("%s onCreatePatch status %d", __func__, status);
+ if (status == BAD_VALUE) {
+ return status;
+ }
+ }
+ return status;
+}
+
+status_t AudioFlinger::DeviceEffectProxy::onCreatePatch(
+ audio_patch_handle_t patchHandle, const AudioFlinger::PatchPanel::Patch& patch) {
+ status_t status = NAME_NOT_FOUND;
+ sp<EffectHandle> handle;
+ // only consider source[0] as this is the only "true" source of a patch
+ status = checkPort(patch, &patch.mAudioPatch.sources[0], &handle);
+ ALOGV("%s source checkPort status %d", __func__, status);
+ for (uint32_t i = 0; i < patch.mAudioPatch.num_sinks && status == NAME_NOT_FOUND; i++) {
+ status = checkPort(patch, &patch.mAudioPatch.sinks[i], &handle);
+ ALOGV("%s sink %d checkPort status %d", __func__, i, status);
+ }
+ if (status == NO_ERROR || status == ALREADY_EXISTS) {
+ Mutex::Autolock _l(mProxyLock);
+ mEffectHandles.emplace(patchHandle, handle);
+ }
+ ALOGW_IF(status == BAD_VALUE,
+ "%s cannot attach effect %s on patch %d", __func__, mDescriptor.name, patchHandle);
+
+ return status;
+}
+
+status_t AudioFlinger::DeviceEffectProxy::checkPort(const PatchPanel::Patch& patch,
+ const struct audio_port_config *port, sp <EffectHandle> *handle) {
+
+ ALOGV("%s type %d device type %d address %s device ID %d patch.isSoftware() %d",
+ __func__, port->type, port->ext.device.type,
+ port->ext.device.address, port->id, patch.isSoftware());
+ if (port->type != AUDIO_PORT_TYPE_DEVICE || port->ext.device.type != mDevice.mType
+ || port->ext.device.address != mDevice.mAddress) {
+ return NAME_NOT_FOUND;
+ }
+ status_t status = NAME_NOT_FOUND;
+
+ if (mDescriptor.flags & EFFECT_FLAG_HW_ACC_TUNNEL) {
+ Mutex::Autolock _l(mProxyLock);
+ mDevicePort = *port;
+ mHalEffect = new EffectModule(mMyCallback,
+ const_cast<effect_descriptor_t *>(&mDescriptor),
+ mMyCallback->newEffectId(), AUDIO_SESSION_DEVICE,
+ false /* pinned */, port->id);
+ if (audio_is_input_device(mDevice.mType)) {
+ mHalEffect->setInputDevice(mDevice);
+ } else {
+ mHalEffect->setDevices({mDevice});
+ }
+ *handle = new EffectHandle(mHalEffect, nullptr, nullptr, 0 /*priority*/);
+ status = (*handle)->initCheck();
+ if (status == OK) {
+ status = mHalEffect->addHandle((*handle).get());
+ } else {
+ mHalEffect.clear();
+ mDevicePort.id = AUDIO_PORT_HANDLE_NONE;
+ }
+ } else if (patch.isSoftware() || patch.thread().promote() != nullptr) {
+ sp <ThreadBase> thread;
+ if (audio_port_config_has_input_direction(port)) {
+ if (patch.isSoftware()) {
+ thread = patch.mRecord.thread();
+ } else {
+ thread = patch.thread().promote();
+ }
+ } else {
+ if (patch.isSoftware()) {
+ thread = patch.mPlayback.thread();
+ } else {
+ thread = patch.thread().promote();
+ }
+ }
+ int enabled;
+ *handle = thread->createEffect_l(nullptr, nullptr, 0, AUDIO_SESSION_DEVICE,
+ const_cast<effect_descriptor_t *>(&mDescriptor),
+ &enabled, &status, false);
+ ALOGV("%s thread->createEffect_l status %d", __func__, status);
+ } else {
+ status = BAD_VALUE;
+ }
+ if (status == NO_ERROR || status == ALREADY_EXISTS) {
+ if (isEnabled()) {
+ (*handle)->enable();
+ } else {
+ (*handle)->disable();
+ }
+ }
+ return status;
+}
+
+void AudioFlinger::DeviceEffectProxy::onReleasePatch(audio_patch_handle_t patchHandle) {
+ Mutex::Autolock _l(mProxyLock);
+ mEffectHandles.erase(patchHandle);
+}
+
+
+size_t AudioFlinger::DeviceEffectProxy::removeEffect(const sp<EffectModule>& effect)
+{
+ Mutex::Autolock _l(mProxyLock);
+ if (effect == mHalEffect) {
+ mHalEffect.clear();
+ mDevicePort.id = AUDIO_PORT_HANDLE_NONE;
+ }
+ return mHalEffect == nullptr ? 0 : 1;
+}
+
+status_t AudioFlinger::DeviceEffectProxy::addEffectToHal(
+ sp<EffectHalInterface> effect) {
+ if (mHalEffect == nullptr) {
+ return NO_INIT;
+ }
+ return mManagerCallback->addEffectToHal(
+ mDevicePort.id, mDevicePort.ext.device.hw_module, effect);
+}
+
+status_t AudioFlinger::DeviceEffectProxy::removeEffectFromHal(
+ sp<EffectHalInterface> effect) {
+ if (mHalEffect == nullptr) {
+ return NO_INIT;
+ }
+ return mManagerCallback->removeEffectFromHal(
+ mDevicePort.id, mDevicePort.ext.device.hw_module, effect);
+}
+
+bool AudioFlinger::DeviceEffectProxy::isOutput() const {
+ if (mDevicePort.id != AUDIO_PORT_HANDLE_NONE) {
+ return mDevicePort.role == AUDIO_PORT_ROLE_SINK;
+ }
+ return true;
+}
+
+uint32_t AudioFlinger::DeviceEffectProxy::sampleRate() const {
+ if (mDevicePort.id != AUDIO_PORT_HANDLE_NONE &&
+ (mDevicePort.config_mask & AUDIO_PORT_CONFIG_SAMPLE_RATE) != 0) {
+ return mDevicePort.sample_rate;
+ }
+ return DEFAULT_OUTPUT_SAMPLE_RATE;
+}
+
+audio_channel_mask_t AudioFlinger::DeviceEffectProxy::channelMask() const {
+ if (mDevicePort.id != AUDIO_PORT_HANDLE_NONE &&
+ (mDevicePort.config_mask & AUDIO_PORT_CONFIG_CHANNEL_MASK) != 0) {
+ return mDevicePort.channel_mask;
+ }
+ return AUDIO_CHANNEL_OUT_STEREO;
+}
+
+uint32_t AudioFlinger::DeviceEffectProxy::channelCount() const {
+ if (isOutput()) {
+ return audio_channel_count_from_out_mask(channelMask());
+ }
+ return audio_channel_count_from_in_mask(channelMask());
+}
+
+void AudioFlinger::DeviceEffectProxy::dump(int fd, int spaces) {
+ const Vector<String16> args;
+ EffectBase::dump(fd, args);
+
+ const bool locked = dumpTryLock(mProxyLock);
+ if (!locked) {
+ String8 result("DeviceEffectProxy may be deadlocked\n");
+ write(fd, result.string(), result.size());
+ }
+
+ String8 outStr;
+ if (mHalEffect != nullptr) {
+ outStr.appendFormat("%*sHAL Effect Id: %d\n", spaces, "", mHalEffect->id());
+ } else {
+ outStr.appendFormat("%*sNO HAL Effect\n", spaces, "");
+ }
+ write(fd, outStr.string(), outStr.size());
+ outStr.clear();
+
+ outStr.appendFormat("%*sSub Effects:\n", spaces, "");
+ write(fd, outStr.string(), outStr.size());
+ outStr.clear();
+
+ for (const auto& iter : mEffectHandles) {
+ outStr.appendFormat("%*sEffect for patch handle %d:\n", spaces + 2, "", iter.first);
+ write(fd, outStr.string(), outStr.size());
+ outStr.clear();
+ sp<EffectBase> effect = iter.second->effect().promote();
+ if (effect != nullptr) {
+ effect->dump(fd, args);
+ }
+ }
+
+ if (locked) {
+ mLock.unlock();
+ }
+}
+
+#undef LOG_TAG
+#define LOG_TAG "AudioFlinger::DeviceEffectProxy::ProxyCallback"
+
+int AudioFlinger::DeviceEffectProxy::ProxyCallback::newEffectId() {
+ return mManagerCallback->newEffectId();
+}
+
+
+bool AudioFlinger::DeviceEffectProxy::ProxyCallback::disconnectEffectHandle(
+ EffectHandle *handle, bool unpinIfLast) {
+ sp<EffectBase> effectBase = handle->effect().promote();
+ if (effectBase == nullptr) {
+ return false;
+ }
+
+ sp<EffectModule> effect = effectBase->asEffectModule();
+ if (effect == nullptr) {
+ return false;
+ }
+
+ // restore suspended effects if the disconnected handle was enabled and the last one.
+ bool remove = (effect->removeHandle(handle) == 0) && (!effect->isPinned() || unpinIfLast);
+ if (remove) {
+ sp<DeviceEffectProxy> proxy = mProxy.promote();
+ if (proxy != nullptr) {
+ proxy->removeEffect(effect);
+ }
+ if (handle->enabled()) {
+ effectBase->checkSuspendOnEffectEnabled(false, false /*threadLocked*/);
+ }
+ }
+ return true;
+}
+
+status_t AudioFlinger::DeviceEffectProxy::ProxyCallback::createEffectHal(
+ const effect_uuid_t *pEffectUuid, int32_t sessionId, int32_t deviceId,
+ sp<EffectHalInterface> *effect) {
+ return mManagerCallback->createEffectHal(pEffectUuid, sessionId, deviceId, effect);
+}
+
+status_t AudioFlinger::DeviceEffectProxy::ProxyCallback::addEffectToHal(
+ sp<EffectHalInterface> effect) {
+ sp<DeviceEffectProxy> proxy = mProxy.promote();
+ if (proxy == nullptr) {
+ return NO_INIT;
+ }
+ return proxy->addEffectToHal(effect);
+}
+
+status_t AudioFlinger::DeviceEffectProxy::ProxyCallback::removeEffectFromHal(
+ sp<EffectHalInterface> effect) {
+ sp<DeviceEffectProxy> proxy = mProxy.promote();
+ if (proxy == nullptr) {
+ return NO_INIT;
+ }
+ return proxy->addEffectToHal(effect);
+}
+
+bool AudioFlinger::DeviceEffectProxy::ProxyCallback::isOutput() const {
+ sp<DeviceEffectProxy> proxy = mProxy.promote();
+ if (proxy == nullptr) {
+ return true;
+ }
+ return proxy->isOutput();
+}
+
+uint32_t AudioFlinger::DeviceEffectProxy::ProxyCallback::sampleRate() const {
+ sp<DeviceEffectProxy> proxy = mProxy.promote();
+ if (proxy == nullptr) {
+ return DEFAULT_OUTPUT_SAMPLE_RATE;
+ }
+ return proxy->sampleRate();
+}
+
+audio_channel_mask_t AudioFlinger::DeviceEffectProxy::ProxyCallback::channelMask() const {
+ sp<DeviceEffectProxy> proxy = mProxy.promote();
+ if (proxy == nullptr) {
+ return AUDIO_CHANNEL_OUT_STEREO;
+ }
+ return proxy->channelMask();
+}
+
+uint32_t AudioFlinger::DeviceEffectProxy::ProxyCallback::channelCount() const {
+ sp<DeviceEffectProxy> proxy = mProxy.promote();
+ if (proxy == nullptr) {
+ return 2;
+ }
+ return proxy->channelCount();
+}
+
} // namespace android
diff --git a/services/audioflinger/Effects.h b/services/audioflinger/Effects.h
index ea51c2c..40bb226 100644
--- a/services/audioflinger/Effects.h
+++ b/services/audioflinger/Effects.h
@@ -33,7 +33,7 @@
virtual bool isOffload() const = 0;
virtual bool isOffloadOrDirect() const = 0;
virtual bool isOffloadOrMmap() const = 0;
- virtual uint32_t sampleRate() const = 0;
+ virtual uint32_t sampleRate() const = 0;
virtual audio_channel_mask_t channelMask() const = 0;
virtual uint32_t channelCount() const = 0;
virtual size_t frameCount() const = 0;
@@ -159,6 +159,7 @@
status_t updatePolicyState();
virtual sp<EffectModule> asEffectModule() { return nullptr; }
+ virtual sp<DeviceEffectProxy> asDeviceEffectProxy() { return nullptr; }
void dump(int fd, const Vector<String16>& args);
@@ -206,7 +207,8 @@
effect_descriptor_t *desc,
int id,
audio_session_t sessionId,
- bool pinned);
+ bool pinned,
+ audio_port_handle_t deviceId);
virtual ~EffectModule();
void process();
@@ -613,3 +615,96 @@
const sp<EffectCallback> mEffectCallback;
};
+
+class DeviceEffectProxy : public EffectBase {
+public:
+ DeviceEffectProxy (const AudioDeviceTypeAddr& device,
+ const sp<DeviceEffectManagerCallback>& callback,
+ effect_descriptor_t *desc, int id)
+ : EffectBase(callback, desc, id, AUDIO_SESSION_DEVICE, false),
+ mDevice(device), mManagerCallback(callback),
+ mMyCallback(new ProxyCallback(this, callback)) {}
+
+ status_t setEnabled(bool enabled, bool fromHandle) override;
+ sp<DeviceEffectProxy> asDeviceEffectProxy() override { return this; }
+
+ status_t init(const std::map<audio_patch_handle_t, PatchPanel::Patch>& patches);
+ status_t onCreatePatch(audio_patch_handle_t patchHandle, const PatchPanel::Patch& patch);
+ void onReleasePatch(audio_patch_handle_t patchHandle);
+
+ size_t removeEffect(const sp<EffectModule>& effect);
+
+ status_t addEffectToHal(sp<EffectHalInterface> effect);
+ status_t removeEffectFromHal(sp<EffectHalInterface> effect);
+
+ const AudioDeviceTypeAddr& device() { return mDevice; };
+ bool isOutput() const;
+ uint32_t sampleRate() const;
+ audio_channel_mask_t channelMask() const;
+ uint32_t channelCount() const;
+
+ void dump(int fd, int spaces);
+
+private:
+
+ class ProxyCallback : public EffectCallbackInterface {
+ public:
+ ProxyCallback(DeviceEffectProxy *proxy,
+ const sp<DeviceEffectManagerCallback>& callback)
+ : mProxy(proxy), mManagerCallback(callback) {}
+
+ status_t createEffectHal(const effect_uuid_t *pEffectUuid,
+ int32_t sessionId, int32_t deviceId, sp<EffectHalInterface> *effect) override;
+ status_t allocateHalBuffer(size_t size __unused,
+ sp<EffectBufferHalInterface>* buffer __unused) override { return NO_ERROR; }
+ bool updateOrphanEffectChains(const sp<EffectBase>& effect __unused) override {
+ return false;
+ }
+
+ audio_io_handle_t io() const override { return AUDIO_IO_HANDLE_NONE; }
+ bool isOutput() const override;
+ bool isOffload() const override { return false; }
+ bool isOffloadOrDirect() const override { return false; }
+ bool isOffloadOrMmap() const override { return false; }
+
+ uint32_t sampleRate() const override;
+ audio_channel_mask_t channelMask() const override;
+ uint32_t channelCount() const override;
+ size_t frameCount() const override { return 0; }
+ uint32_t latency() const override { return 0; }
+
+ status_t addEffectToHal(sp<EffectHalInterface> effect) override;
+ status_t removeEffectFromHal(sp<EffectHalInterface> effect) override;
+
+ bool disconnectEffectHandle(EffectHandle *handle, bool unpinIfLast) override;
+ void setVolumeForOutput(float left __unused, float right __unused) const override {}
+
+ void checkSuspendOnEffectEnabled(const sp<EffectBase>& effect __unused,
+ bool enabled __unused, bool threadLocked __unused) override {}
+ void resetVolume() override {}
+ uint32_t strategy() const override { return 0; }
+ int32_t activeTrackCnt() const override { return 0; }
+ void onEffectEnable(const sp<EffectBase>& effect __unused) override {}
+ void onEffectDisable(const sp<EffectBase>& effect __unused) override {}
+
+ wp<EffectChain> chain() const override { return nullptr; }
+
+ int newEffectId();
+
+ private:
+ const wp<DeviceEffectProxy> mProxy;
+ const sp<DeviceEffectManagerCallback> mManagerCallback;
+ };
+
+ status_t checkPort(const PatchPanel::Patch& patch, const struct audio_port_config *port,
+ sp<EffectHandle> *handle);
+
+ const AudioDeviceTypeAddr mDevice;
+ const sp<DeviceEffectManagerCallback> mManagerCallback;
+ const sp<ProxyCallback> mMyCallback;
+
+ Mutex mProxyLock;
+ std::map<audio_patch_handle_t, sp<EffectHandle>> mEffectHandles; // protected by mProxyLock
+ sp<EffectModule> mHalEffect; // protected by mProxyLock
+ struct audio_port_config mDevicePort = { .id = AUDIO_PORT_HANDLE_NONE };
+};
diff --git a/services/audioflinger/PatchPanel.cpp b/services/audioflinger/PatchPanel.cpp
index dbd761a..5501856 100644
--- a/services/audioflinger/PatchPanel.cpp
+++ b/services/audioflinger/PatchPanel.cpp
@@ -170,8 +170,7 @@
}
halHandle = removedPatch.mHalHandle;
}
- mPatches.erase(iter);
- removeSoftwarePatchFromInsertedModules(*handle);
+ erasePatch(*handle);
}
}
@@ -326,10 +325,14 @@
}
}
status = thread->sendCreateAudioPatchConfigEvent(patch, &halHandle);
+ if (status == NO_ERROR) {
+ newPatch.setThread(thread);
+ }
+
// remove stale audio patch with same input as sink if any
for (auto& iter : mPatches) {
if (iter.second.mAudioPatch.sinks[0].ext.mix.handle == thread->id()) {
- mPatches.erase(iter.first);
+ erasePatch(iter.first);
break;
}
}
@@ -388,11 +391,14 @@
}
status = thread->sendCreateAudioPatchConfigEvent(patch, &halHandle);
+ if (status == NO_ERROR) {
+ newPatch.setThread(thread);
+ }
// remove stale audio patch with same output as source if any
for (auto& iter : mPatches) {
if (iter.second.mAudioPatch.sources[0].ext.mix.handle == thread->id()) {
- mPatches.erase(iter.first);
+ erasePatch(iter.first);
break;
}
}
@@ -406,11 +412,11 @@
if (status == NO_ERROR) {
*handle = (audio_patch_handle_t) mAudioFlinger.nextUniqueId(AUDIO_UNIQUE_ID_USE_PATCH);
newPatch.mHalHandle = halHandle;
+ mAudioFlinger.mDeviceEffectManager.createAudioPatch(*handle, newPatch);
mPatches.insert(std::make_pair(*handle, std::move(newPatch)));
if (insertedModule != AUDIO_MODULE_HANDLE_NONE) {
addSoftwarePatchToInsertedModules(insertedModule, *handle);
}
- ALOGV("%s() added new patch handle %d halHandle %d", __func__, *handle, halHandle);
} else {
newPatch.clearConnections(this);
}
@@ -634,8 +640,21 @@
String8 AudioFlinger::PatchPanel::Patch::dump(audio_patch_handle_t myHandle) const
{
// TODO: Consider table dump form for patches, just like tracks.
- String8 result = String8::format("Patch %d: thread %p => thread %p",
- myHandle, mRecord.const_thread().get(), mPlayback.const_thread().get());
+ String8 result = String8::format("Patch %d: %s (thread %p => thread %p)",
+ myHandle, isSoftware() ? "Software bridge between" : "No software bridge",
+ mRecord.const_thread().get(), mPlayback.const_thread().get());
+
+ bool hasSinkDevice =
+ mAudioPatch.num_sinks > 0 && mAudioPatch.sinks[0].type == AUDIO_PORT_TYPE_DEVICE;
+ bool hasSourceDevice =
+ mAudioPatch.num_sources > 0 && mAudioPatch.sources[0].type == AUDIO_PORT_TYPE_DEVICE;
+ result.appendFormat(" thread %p %s (%d) first device type %08x", mThread.unsafe_get(),
+ hasSinkDevice ? "num sinks" :
+ (hasSourceDevice ? "num sources" : "no devices"),
+ hasSinkDevice ? mAudioPatch.num_sinks :
+ (hasSourceDevice ? mAudioPatch.num_sources : 0),
+ hasSinkDevice ? mAudioPatch.sinks[0].ext.device.type :
+ (hasSourceDevice ? mAudioPatch.sources[0].ext.device.type : 0));
// add latency if it exists
double latencyMs;
@@ -711,11 +730,16 @@
status = BAD_VALUE;
}
- mPatches.erase(iter);
- removeSoftwarePatchFromInsertedModules(handle);
+ erasePatch(handle);
return status;
}
+void AudioFlinger::PatchPanel::erasePatch(audio_patch_handle_t handle) {
+ mPatches.erase(handle);
+ removeSoftwarePatchFromInsertedModules(handle);
+ mAudioFlinger.mDeviceEffectManager.releaseAudioPatch(handle);
+}
+
/* List connected audio ports and they attributes */
status_t AudioFlinger::PatchPanel::listAudioPatches(unsigned int *num_patches __unused,
struct audio_patch *patches __unused)
@@ -799,16 +823,13 @@
String8 patchPanelDump;
const char *indent = " ";
- // Only dump software patches.
bool headerPrinted = false;
for (const auto& iter : mPatches) {
- if (iter.second.isSoftware()) {
- if (!headerPrinted) {
- patchPanelDump += "\nSoftware patches:\n";
- headerPrinted = true;
- }
- patchPanelDump.appendFormat("%s%s\n", indent, iter.second.dump(iter.first).string());
+ if (!headerPrinted) {
+ patchPanelDump += "\nPatches:\n";
+ headerPrinted = true;
}
+ patchPanelDump.appendFormat("%s%s\n", indent, iter.second.dump(iter.first).string());
}
headerPrinted = false;
diff --git a/services/audioflinger/PatchPanel.h b/services/audioflinger/PatchPanel.h
index 181e27c..4e0d243 100644
--- a/services/audioflinger/PatchPanel.h
+++ b/services/audioflinger/PatchPanel.h
@@ -76,13 +76,18 @@
void dump(int fd) const;
-private:
template<typename ThreadType, typename TrackType>
- class Endpoint {
+ class Endpoint final {
public:
Endpoint() = default;
Endpoint(const Endpoint&) = delete;
- Endpoint& operator=(const Endpoint&) = delete;
+ Endpoint& operator=(const Endpoint& other) noexcept {
+ mThread = other.mThread;
+ mCloseThread = other.mCloseThread;
+ mHandle = other.mHandle;
+ mTrack = other.mTrack;
+ return *this;
+ }
Endpoint(Endpoint&& other) noexcept { swap(other); }
Endpoint& operator=(Endpoint&& other) noexcept {
swap(other);
@@ -98,8 +103,8 @@
return trackOrNull->initCheck();
}
audio_patch_handle_t handle() const { return mHandle; }
- sp<ThreadType> thread() { return mThread; }
- sp<TrackType> track() { return mTrack; }
+ sp<ThreadType> thread() const { return mThread; }
+ sp<TrackType> track() const { return mTrack; }
sp<const ThreadType> const_thread() const { return mThread; }
sp<const TrackType> const_track() const { return mTrack; }
@@ -150,14 +155,36 @@
sp<TrackType> mTrack;
};
- class Patch {
+ class Patch final {
public:
explicit Patch(const struct audio_patch &patch) : mAudioPatch(patch) {}
+ Patch() = default;
~Patch();
- Patch(const Patch&) = delete;
- Patch(Patch&&) = default;
- Patch& operator=(const Patch&) = delete;
- Patch& operator=(Patch&&) = default;
+ Patch(const Patch& other) noexcept {
+ mAudioPatch = other.mAudioPatch;
+ mHalHandle = other.mHalHandle;
+ mPlayback = other.mPlayback;
+ mRecord = other.mRecord;
+ mThread = other.mThread;
+ }
+ Patch(Patch&& other) noexcept { swap(other); }
+ Patch& operator=(Patch&& other) noexcept {
+ swap(other);
+ return *this;
+ }
+
+ void swap(Patch &other) noexcept {
+ using std::swap;
+ swap(mAudioPatch, other.mAudioPatch);
+ swap(mHalHandle, other.mHalHandle);
+ swap(mPlayback, other.mPlayback);
+ swap(mRecord, other.mRecord);
+ swap(mThread, other.mThread);
+ }
+
+ friend void swap(Patch &a, Patch &b) noexcept {
+ a.swap(b);
+ }
status_t createConnections(PatchPanel *panel);
void clearConnections(PatchPanel *panel);
@@ -165,6 +192,9 @@
return mRecord.handle() != AUDIO_PATCH_HANDLE_NONE ||
mPlayback.handle() != AUDIO_PATCH_HANDLE_NONE; }
+ void setThread(sp<ThreadBase> thread) { mThread = thread; }
+ wp<ThreadBase> thread() const { return mThread; }
+
// returns the latency of the patch (from record to playback).
status_t getLatencyMs(double *latencyMs) const;
@@ -182,13 +212,20 @@
Endpoint<PlaybackThread, PlaybackThread::PatchTrack> mPlayback;
// connects source device to record thread input
Endpoint<RecordThread, RecordThread::PatchRecord> mRecord;
+
+ wp<ThreadBase> mThread;
};
+ // Call with AudioFlinger mLock held
+ std::map<audio_patch_handle_t, Patch>& patches_l() { return mPatches; }
+
+private:
AudioHwDevice* findAudioHwDeviceByModule(audio_module_handle_t module);
sp<DeviceHalInterface> findHwDeviceByModule(audio_module_handle_t module);
void addSoftwarePatchToInsertedModules(
audio_module_handle_t module, audio_patch_handle_t handle);
void removeSoftwarePatchFromInsertedModules(audio_patch_handle_t handle);
+ void erasePatch(audio_patch_handle_t handle);
AudioFlinger &mAudioFlinger;
std::map<audio_patch_handle_t, Patch> mPatches;
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index b9afba8..87b72fb 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -1423,7 +1423,10 @@
if (effectBase == nullptr) {
return;
}
- effect = static_cast<EffectModule *>(effectBase.get());
+ effect = effectBase->asEffectModule();
+ if (effect == nullptr) {
+ return;
+ }
// restore suspended effects if the disconnected handle was enabled and the last one.
remove = (effect->removeHandle(handle) == 0) && (!effect->isPinned() || unpinIfLast);
if (remove) {
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index e198beb..d1b85c8 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -2770,12 +2770,14 @@
int session,
int id)
{
- ssize_t index = mOutputs.indexOfKey(io);
- if (index < 0) {
- index = mInputs.indexOfKey(io);
+ if (session != AUDIO_SESSION_DEVICE) {
+ ssize_t index = mOutputs.indexOfKey(io);
if (index < 0) {
- ALOGW("registerEffect() unknown io %d", io);
- return INVALID_OPERATION;
+ index = mInputs.indexOfKey(io);
+ if (index < 0) {
+ ALOGW("registerEffect() unknown io %d", io);
+ return INVALID_OPERATION;
+ }
}
}
return mEffects.registerEffect(desc, io, session, id,
@@ -5338,7 +5340,8 @@
auto attr = mEngine->getAllAttributesForProductStrategy(productStrategy).front();
if ((hasVoiceStream(streams) &&
- (isInCall() || mOutputs.isStrategyActiveOnSameModule(productStrategy, outputDesc))) ||
+ (isInCall() || mOutputs.isStrategyActiveOnSameModule(productStrategy, outputDesc)) &&
+ !isStreamActive(AUDIO_STREAM_ENFORCED_AUDIBLE, 0)) ||
((hasStream(streams, AUDIO_STREAM_ALARM) || hasStream(streams, AUDIO_STREAM_ENFORCED_AUDIBLE)) &&
mOutputs.isStrategyActiveOnSameModule(productStrategy, outputDesc)) ||
outputDesc->isStrategyActive(productStrategy)) {
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index 44c1d09..d245231 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -363,12 +363,17 @@
return NO_INIT;
}
+ audio_source_t inputSource = attr->source;
+ if (inputSource == AUDIO_SOURCE_DEFAULT) {
+ inputSource = AUDIO_SOURCE_MIC;
+ }
+
// already checked by client, but double-check in case the client wrapper is bypassed
- if ((attr->source < AUDIO_SOURCE_DEFAULT)
- || (attr->source >= AUDIO_SOURCE_CNT
- && attr->source != AUDIO_SOURCE_HOTWORD
- && attr->source != AUDIO_SOURCE_FM_TUNER
- && attr->source != AUDIO_SOURCE_ECHO_REFERENCE)) {
+ if ((inputSource < AUDIO_SOURCE_DEFAULT)
+ || (inputSource >= AUDIO_SOURCE_CNT
+ && inputSource != AUDIO_SOURCE_HOTWORD
+ && inputSource != AUDIO_SOURCE_FM_TUNER
+ && inputSource != AUDIO_SOURCE_ECHO_REFERENCE)) {
return BAD_VALUE;
}
@@ -399,17 +404,17 @@
}
bool canCaptureOutput = captureAudioOutputAllowed(pid, uid);
- if ((attr->source == AUDIO_SOURCE_VOICE_UPLINK ||
- attr->source == AUDIO_SOURCE_VOICE_DOWNLINK ||
- attr->source == AUDIO_SOURCE_VOICE_CALL ||
- attr->source == AUDIO_SOURCE_ECHO_REFERENCE||
- attr->source == AUDIO_SOURCE_FM_TUNER) &&
+ if ((inputSource == AUDIO_SOURCE_VOICE_UPLINK ||
+ inputSource == AUDIO_SOURCE_VOICE_DOWNLINK ||
+ inputSource == AUDIO_SOURCE_VOICE_CALL ||
+ inputSource == AUDIO_SOURCE_ECHO_REFERENCE||
+ inputSource == AUDIO_SOURCE_FM_TUNER) &&
!canCaptureOutput) {
return PERMISSION_DENIED;
}
bool canCaptureHotword = captureHotwordAllowed(opPackageName, pid, uid);
- if ((attr->source == AUDIO_SOURCE_HOTWORD) && !canCaptureHotword) {
+ if ((inputSource == AUDIO_SOURCE_HOTWORD) && !canCaptureHotword) {
return BAD_VALUE;
}
@@ -474,7 +479,7 @@
if (audioPolicyEffects != 0) {
// create audio pre processors according to input source
- status_t status = audioPolicyEffects->addInputEffects(*input, attr->source, session);
+ status_t status = audioPolicyEffects->addInputEffects(*input, inputSource, session);
if (status != NO_ERROR && status != ALREADY_EXISTS) {
ALOGW("Failed to add effects on input %d", *input);
}
diff --git a/services/mediametrics/AnalyticsActions.h b/services/mediametrics/AnalyticsActions.h
new file mode 100644
index 0000000..5568c91
--- /dev/null
+++ b/services/mediametrics/AnalyticsActions.h
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include <media/MediaMetricsItem.h>
+#include <mutex>
+
+namespace android::mediametrics {
+
+/**
+ * AnalyticsActions consists of a map of pairs <trigger, action> which
+ * are evaluated for a given incoming MediaMetrics item.
+ *
+ * A vector of Actions are returned from getActionsForItem() which
+ * should be executed outside of any locks.
+ *
+ * Mediametrics assumes weak consistency, which is fine as the analytics database
+ * is generally strictly increasing in size (until gc removes values that are
+ * supposedly no longer needed).
+ */
+
+class AnalyticsActions {
+public:
+
+ using Elem = mediametrics::Item::Prop::Elem;
+ /**
+ * Trigger: a pair consisting of
+ * std::string: A wildcard url specifying a property in the item,
+ * where '*' indicates 0 or more arbitrary characters
+ * for the item key match.
+ * Elem: A value that needs to match exactly.
+ *
+ * Trigger is used in a map sort; default less with std::string as primary key.
+ * The wildcard accepts a string with '*' as being 0 or more arbitrary
+ * characters for the item key match. A wildcard is preferred over general
+ * regexp for simple fast lookup.
+ *
+ * TODO: incorporate a regexp option.
+ */
+ using Trigger = std::pair<std::string, Elem>;
+
+ /**
+ * Function: The function to be executed.
+ */
+ using Function = std::function<
+ void(const std::shared_ptr<const mediametrics::Item>& item)>;
+
+ /**
+ * Action: An action to execute. This is a shared pointer to Function.
+ */
+ using Action = std::shared_ptr<Function>;
+
+ /**
+ * Adds a new action.
+ *
+ * \param url references a property in the item with wildcards
+ * \param value references a value (cast to Elem automatically)
+ * so be careful of the type. It must be one of
+ * the types acceptable to Elem.
+ * \param action is a function or lambda to execute if the url matches value
+ * in the item.
+ */
+ template <typename T, typename U, typename A>
+ void addAction(T&& url, U&& value, A&& action) {
+ std::lock_guard l(mLock);
+ mFilters[ { std::forward<T>(url), std::forward<U>(value) } ]
+ = std::forward<A>(action);
+ }
+
+ // TODO: remove an action.
+
+ /**
+ * Get all the actions triggered for a particular item.
+ *
+ * \param item to be analyzed for actions.
+ */
+ std::vector<Action>
+ getActionsForItem(const std::shared_ptr<const mediametrics::Item>& item) {
+ std::vector<Action> actions;
+ std::lock_guard l(mLock);
+
+ // Essentially the code looks like this:
+ /*
+ for (auto &[trigger, action] : mFilters) {
+ if (isMatch(trigger, item)) {
+ actions.push_back(action);
+ }
+ }
+ */
+
+ // Optimization: there should only be one match for a non-wildcard url.
+ auto it = mFilters.upper_bound( {item->getKey(), std::monostate{} });
+ if (it != mFilters.end()) {
+ const auto &[trigger, action] = *it;
+ if (isMatch(trigger, item)) {
+ actions.push_back(action);
+ }
+ }
+
+ // Optimization: for wildcard URLs we go backwards until there is no
+ // match with the prefix before the wildcard.
+ while (it != mFilters.begin()) { // this walks backwards, cannot start at begin.
+ const auto &[trigger, action] = *--it; // look backwards
+ int ret = isWildcardMatch(trigger, item);
+ if (ret == mediametrics::Item::RECURSIVE_WILDCARD_CHECK_MATCH_FOUND) {
+ actions.push_back(action); // match found.
+ } else if (ret == mediametrics::Item::RECURSIVE_WILDCARD_CHECK_NO_MATCH_NO_WILDCARD) {
+ break; // no match before wildcard.
+ }
+ // a wildcard was encountered when matching prefix, so we should check again.
+ }
+ return actions;
+ }
+
+private:
+
+ static inline bool isMatch(const Trigger& trigger,
+ const std::shared_ptr<const mediametrics::Item>& item) {
+ const auto& [key, elem] = trigger;
+ if (!startsWith(key, item->getKey())) return false;
+ // The trigger key is in format (item key).propName, so + 1 skips '.' delimeter.
+ const char *propName = key.c_str() + item->getKey().size() + 1;
+ return item->hasPropElem(propName, elem);
+ }
+
+ static inline int isWildcardMatch(const Trigger& trigger,
+ const std::shared_ptr<const mediametrics::Item>& item) {
+ const auto& [key, elem] = trigger;
+ return item->recursiveWildcardCheckElem(key.c_str(), elem);
+ }
+
+ mutable std::mutex mLock;
+ std::map<Trigger, Action> mFilters; // GUARDED_BY mLock
+};
+
+} // namespace android::mediametrics
diff --git a/services/mediametrics/AnalyticsState.h b/services/mediametrics/AnalyticsState.h
new file mode 100644
index 0000000..4711bb6
--- /dev/null
+++ b/services/mediametrics/AnalyticsState.h
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include "TimeMachine.h"
+#include "TransactionLog.h"
+
+namespace android::mediametrics {
+
+/**
+ * AnalyticsState consists of a TimeMachine and TransactionLog for a set
+ * of MediaMetrics Items.
+ *
+ * One can add new Items with the submit() method.
+ *
+ * The AnalyticsState may be cleared or duplicated to preserve state after crashes
+ * in services are detected.
+ *
+ * As its members may not be moveable due to mutexes, we use this encapsulation
+ * with a shared pointer in order to save it or duplicate it.
+ */
+class AnalyticsState {
+public:
+ /**
+ * Returns success if AnalyticsState accepts the item.
+ *
+ * A trusted source can create a new key, an untrusted source
+ * can only modify the key if the uid will match that authorized
+ * on the existing key.
+ *
+ * \param item the item to be submitted.
+ * \param isTrusted whether the transaction comes from a trusted source.
+ * In this case, a trusted source is verified by binder
+ * UID to be a system service by MediaMetrics service.
+ * Do not use true if you haven't really checked!
+ *
+ * \return NO_ERROR on success or
+ * PERMISSION_DENIED if the item cannot be put into the AnalyticsState.
+ */
+ status_t submit(const std::shared_ptr<const mediametrics::Item>& item, bool isTrusted) {
+ return mTimeMachine.put(item, isTrusted) ?: mTransactionLog.put(item);
+ }
+
+ /**
+ * Returns a pair consisting of the dump string, and the number of lines in the string.
+ *
+ * The number of lines in the returned pair is used as an optimization
+ * for subsequent line limiting.
+ *
+ * The TimeMachine and the TransactionLog are dumped separately under
+ * different locks, so may not be 100% consistent with the last data
+ * delivered.
+ *
+ * \param lines the maximum number of lines in the string returned.
+ */
+ std::pair<std::string, int32_t> dump(int32_t lines = INT32_MAX) const {
+ std::stringstream ss;
+ int32_t ll = lines;
+
+ if (ll > 0) {
+ ss << "TransactionLog:\n";
+ --ll;
+ }
+ if (ll > 0) {
+ auto [s, l] = mTransactionLog.dump(ll);
+ ss << s;
+ ll -= l;
+ }
+ if (ll > 0) {
+ ss << "TimeMachine:\n";
+ --ll;
+ }
+ if (ll > 0) {
+ auto [s, l] = mTimeMachine.dump(ll);
+ ss << s;
+ ll -= l;
+ }
+ return { ss.str(), lines - ll };
+ }
+
+ /**
+ * Clears the AnalyticsState.
+ */
+ void clear() {
+ mTimeMachine.clear();
+ mTransactionLog.clear();
+ }
+
+private:
+ // Note: TimeMachine and TransactionLog are individually locked.
+ // Access to these objects under multiple threads will be weakly synchronized,
+ // which is acceptable as modifications only increase the history (or with GC,
+ // eliminates very old history).
+
+ TimeMachine mTimeMachine;
+ TransactionLog mTransactionLog;
+};
+
+} // namespace android::mediametrics
diff --git a/services/mediametrics/AudioAnalytics.cpp b/services/mediametrics/AudioAnalytics.cpp
index fffe517..f7ee051 100644
--- a/services/mediametrics/AudioAnalytics.cpp
+++ b/services/mediametrics/AudioAnalytics.cpp
@@ -27,6 +27,22 @@
AudioAnalytics::AudioAnalytics()
{
ALOGD("%s", __func__);
+
+ // Add action to save AnalyticsState if audioserver is restarted.
+ // This triggers on an item of "audio.flinger"
+ // with a property "event" set to "AudioFlinger" (the constructor).
+ mActions.addAction(
+ "audio.flinger.event",
+ std::string("AudioFlinger"),
+ std::make_shared<AnalyticsActions::Function>(
+ [this](const std::shared_ptr<const android::mediametrics::Item> &){
+ ALOGW("Audioflinger() constructor event detected");
+ mPreviousAnalyticsState.set(std::make_shared<AnalyticsState>(
+ *mAnalyticsState.get()));
+ // Note: get returns shared_ptr temp, whose lifetime is extended
+ // to end of full expression.
+ mAnalyticsState->clear(); // TODO: filter the analytics state.
+ }));
}
AudioAnalytics::~AudioAnalytics()
@@ -37,11 +53,14 @@
status_t AudioAnalytics::submit(
const std::shared_ptr<const mediametrics::Item>& item, bool isTrusted)
{
- if (startsWith(item->getKey(), "audio.")) {
- return mTimeMachine.put(item, isTrusted)
- ?: mTransactionLog.put(item);
- }
- return BAD_VALUE;
+ if (!startsWith(item->getKey(), "audio.")) return BAD_VALUE;
+ status_t status = mAnalyticsState->submit(item, isTrusted);
+ if (status != NO_ERROR) return status; // may not be permitted.
+
+ // Only if the item was successfully submitted (permission)
+ // do we check triggered actions.
+ checkActions(item);
+ return NO_ERROR;
}
std::pair<std::string, int32_t> AudioAnalytics::dump(int32_t lines) const
@@ -50,24 +69,29 @@
int32_t ll = lines;
if (ll > 0) {
- ss << "TransactionLog:\n";
- --ll;
- }
- if (ll > 0) {
- auto [s, l] = mTransactionLog.dump(ll);
+ auto [s, l] = mAnalyticsState->dump(ll);
ss << s;
ll -= l;
}
if (ll > 0) {
- ss << "TimeMachine:\n";
+ ss << "Prior audioserver state:\n";
--ll;
}
if (ll > 0) {
- auto [s, l] = mTimeMachine.dump(ll);
+ auto [s, l] = mPreviousAnalyticsState->dump(ll);
ss << s;
ll -= l;
}
return { ss.str(), lines - ll };
}
+void AudioAnalytics::checkActions(const std::shared_ptr<const mediametrics::Item>& item)
+{
+ auto actions = mActions.getActionsForItem(item); // internally locked.
+ // Execute actions with no lock held.
+ for (const auto& action : actions) {
+ (*action)(item);
+ }
+}
+
} // namespace android
diff --git a/services/mediametrics/AudioAnalytics.h b/services/mediametrics/AudioAnalytics.h
index b931258..be885ec 100644
--- a/services/mediametrics/AudioAnalytics.h
+++ b/services/mediametrics/AudioAnalytics.h
@@ -16,8 +16,9 @@
#pragma once
-#include "TimeMachine.h"
-#include "TransactionLog.h"
+#include "AnalyticsActions.h"
+#include "AnalyticsState.h"
+#include "Wrap.h"
namespace android::mediametrics {
@@ -27,7 +28,6 @@
AudioAnalytics();
~AudioAnalytics();
- // TODO: update with conditions for keys.
/**
* Returns success if AudioAnalytics recognizes item.
*
@@ -42,6 +42,10 @@
* In this case, a trusted source is verified by binder
* UID to be a system service by MediaMetrics service.
* Do not use true if you haven't really checked!
+ *
+ * \return NO_ERROR on success,
+ * PERMISSION_DENIED if the item cannot be put into the AnalyticsState,
+ * BAD_VALUE if the item key does not start with "audio.".
*/
status_t submit(const std::shared_ptr<const mediametrics::Item>& item, bool isTrusted);
@@ -60,9 +64,22 @@
std::pair<std::string, int32_t> dump(int32_t lines = INT32_MAX) const;
private:
- // The following are locked internally
- TimeMachine mTimeMachine;
- TransactionLog mTransactionLog;
+
+ /**
+ * Checks for any pending actions for a particular item.
+ *
+ * \param item to check against the current AnalyticsActions.
+ */
+ void checkActions(const std::shared_ptr<const mediametrics::Item>& item);
+
+ // Actions is individually locked
+ AnalyticsActions mActions;
+
+ // AnalyticsState is individually locked, and we use SharedPtrWrap
+ // to allow safe access even if the shared pointer changes underneath.
+
+ SharedPtrWrap<AnalyticsState> mAnalyticsState;
+ SharedPtrWrap<AnalyticsState> mPreviousAnalyticsState;
};
} // namespace android::mediametrics
diff --git a/services/mediametrics/MediaMetricsService.cpp b/services/mediametrics/MediaMetricsService.cpp
index b5bdd6f..3b95f7a 100644
--- a/services/mediametrics/MediaMetricsService.cpp
+++ b/services/mediametrics/MediaMetricsService.cpp
@@ -291,7 +291,11 @@
}
// TODO: maybe consider a better way of dumping audio analytics info.
constexpr int32_t linesToDump = 1000;
- result.append(mAudioAnalytics.dump(linesToDump).first.c_str());
+ auto [ dumpString, lines ] = mAudioAnalytics.dump(linesToDump);
+ result.append(dumpString.c_str());
+ if (lines == linesToDump) {
+ result.append("-- some lines may be truncated --\n");
+ }
}
write(fd, result.string(), result.size());
diff --git a/services/mediametrics/Wrap.h b/services/mediametrics/Wrap.h
new file mode 100644
index 0000000..99963fb
--- /dev/null
+++ b/services/mediametrics/Wrap.h
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include <memory>
+#include <mutex>
+
+namespace android::mediametrics {
+
+/**
+ * Wraps a shared-ptr for which member access through operator->() behaves
+ * as if the shared-ptr is atomically copied and then (without a lock) -> called.
+ *
+ * See related C++ 20:
+ * https://en.cppreference.com/w/cpp/memory/shared_ptr/atomic2
+ *
+ * EXAMPLE:
+ *
+ * SharedPtrWrap<T> t{};
+ *
+ * thread1() {
+ * t->func(); // safely executes either the original t or the one created by thread2.
+ * }
+ *
+ * thread2() {
+ * t.set(std::make_shared<T>()); // overwrites the original t.
+ * }
+ */
+template <typename T>
+class SharedPtrWrap {
+ mutable std::mutex mLock;
+ std::shared_ptr<T> mPtr;
+
+public:
+ template <typename... Args>
+ explicit SharedPtrWrap(Args&&... args)
+ : mPtr(std::make_shared<T>(std::forward<Args>(args)...))
+ {}
+
+ /**
+ * Gets the current shared pointer. This must return a value, not a reference.
+ *
+ * For compatibility with existing shared_ptr, we do not pass back a
+ * shared_ptr<const T> for the const getter.
+ */
+ std::shared_ptr<T> get() const {
+ std::lock_guard lock(mLock);
+ return mPtr;
+ }
+
+ /**
+ * Sets the current shared pointer, returning the previous shared pointer.
+ */
+ std::shared_ptr<T> set(std::shared_ptr<T> ptr) { // pass by value as we use swap.
+ std::lock_guard lock(mLock);
+ std::swap(ptr, mPtr);
+ return ptr;
+ }
+
+ /**
+ * Returns a shared pointer value representing T at the instant of time when
+ * the call executes. The lifetime of the shared pointer will
+ * be extended as we are returning an instance of the shared_ptr
+ * not a reference to it. The destructor to the returned shared_ptr
+ * will be called sometime after the expression including the member function or
+ * the member variable is evaluated. Do not change to a reference!
+ */
+
+ // For compatibility with existing shared_ptr, we do not pass back a
+ // shared_ptr<const T> for the const operator pointer access.
+ std::shared_ptr<T> operator->() const {
+ return get();
+ }
+ /**
+ * We do not overload operator*() as the reference is not stable if the
+ * lock is not held.
+ */
+};
+
+/**
+ * Wraps member access to the class T by a lock.
+ *
+ * The object T is constructed within the LockWrap to guarantee
+ * locked access at all times. When T's methods are accessed through ->,
+ * a monitor style lock is obtained to prevent multiple threads from executing
+ * methods in the object T at the same time.
+ * Suggested by Kevin R.
+ *
+ * EXAMPLE:
+ *
+ * // Accumulator class which is very slow, requires locking for multiple threads.
+ *
+ * class Accumulator {
+ * int32_t value_ = 0;
+ * public:
+ * void add(int32_t incr) {
+ * const int32_t temp = value_;
+ * sleep(0); // yield
+ * value_ = temp + incr;
+ * }
+ * int32_t get() { return value_; }
+ * };
+ *
+ * // We use LockWrap on Accumulator to have safe multithread access.
+ * android::mediametrics::LockWrap<Accumulator> a{}; // locked accumulator succeeds
+ *
+ * // Conversely, the following line fails:
+ * // auto a = std::make_shared<Accumulator>(); // this fails, only 50% adds atomic.
+ *
+ * constexpr size_t THREADS = 100;
+ * constexpr size_t ITERATIONS = 10;
+ * constexpr int32_t INCREMENT = 1;
+ *
+ * // Test by generating multiple threads, all adding simultaneously.
+ * std::vector<std::future<void>> threads(THREADS);
+ * for (size_t i = 0; i < THREADS; ++i) {
+ * threads.push_back(std::async(std::launch::async, [&] {
+ * for (size_t j = 0; j < ITERATIONS; ++j) {
+ * a->add(INCREMENT); // add needs locked access here.
+ * }
+ * }));
+ * }
+ * threads.clear();
+ *
+ * // If the add operations are not atomic, value will be smaller than expected.
+ * ASSERT_EQ(INCREMENT * THREADS * ITERATIONS, (size_t)a->get());
+ *
+ */
+template <typename T>
+class LockWrap {
+ /**
+ * Holding class that keeps the pointer and the lock.
+ *
+ * We return this holding class from operator->() to keep the lock until the
+ * method function or method variable access is completed.
+ */
+ class LockedPointer {
+ friend LockWrap;
+ LockedPointer(T *t, std::mutex *lock)
+ : mT(t), mLock(*lock) {}
+ T* const mT;
+ std::lock_guard<std::mutex> mLock;
+ public:
+ const T* operator->() const {
+ return mT;
+ }
+ T* operator->() {
+ return mT;
+ }
+ };
+
+ mutable std::mutex mLock;
+ mutable T mT;
+
+public:
+ template <typename... Args>
+ explicit LockWrap(Args&&... args) : mT(std::forward<Args>(args)...) {}
+
+ const LockedPointer operator->() const {
+ return LockedPointer(&mT, &mLock);
+ }
+ LockedPointer operator->() {
+ return LockedPointer(&mT, &mLock);
+ }
+
+ // @TestApi
+ bool isLocked() const {
+ if (mLock.try_lock()) {
+ mLock.unlock();
+ return false; // we were able to get the lock.
+ }
+ return true; // we were NOT able to get the lock.
+ }
+};
+
+} // namespace android::mediametrics
diff --git a/services/mediametrics/tests/mediametrics_tests.cpp b/services/mediametrics/tests/mediametrics_tests.cpp
index 90a8565..dea625c 100644
--- a/services/mediametrics/tests/mediametrics_tests.cpp
+++ b/services/mediametrics/tests/mediametrics_tests.cpp
@@ -52,6 +52,117 @@
ASSERT_EQ(true, check);
}
+TEST(mediametrics_tests, shared_ptr_wrap) {
+ // Test shared pointer wrap with simple access
+ android::mediametrics::SharedPtrWrap<std::string> s("123");
+ ASSERT_EQ('1', s->at(0));
+ ASSERT_EQ('2', s->at(1));
+ s->push_back('4');
+ ASSERT_EQ('4', s->at(3));
+
+ const android::mediametrics::SharedPtrWrap<std::string> s2("345");
+ ASSERT_EQ('3', s2->operator[](0)); // s2[0] == '3'
+ // we allow modification through a const shared pointer wrap
+ // for compatibility with shared_ptr.
+ s2->push_back('6');
+ ASSERT_EQ('6', s2->operator[](3)); // s2[3] == '6'
+
+ android::mediametrics::SharedPtrWrap<std::string> s3("");
+ s3.set(std::make_shared<std::string>("abc"));
+ ASSERT_EQ('b', s3->operator[](1)); // s2[1] = 'b';
+
+ // Use Thunk to check whether the destructor was called prematurely
+ // when setting the shared ptr wrap in the middle of a method.
+
+ class Thunk {
+ std::function<void(int)> mF;
+ const int mFinal;
+
+ public:
+ Thunk(decltype(mF) f, int final) : mF(f), mFinal(final) {}
+ ~Thunk() { mF(mFinal); }
+ void thunk(int value) { mF(value); }
+ };
+
+ int counter = 0;
+ android::mediametrics::SharedPtrWrap<Thunk> s4(
+ [&](int value) {
+ s4.set(std::make_shared<Thunk>([](int){}, 0)); // recursively set s4 while in s4.
+ ++counter;
+ ASSERT_EQ(value, counter); // on thunk() value is 1, on destructor this is 2.
+ }, 2);
+
+ // This will fail if the shared ptr wrap doesn't hold a ref count during method access.
+ s4->thunk(1);
+}
+
+TEST(mediametrics_tests, lock_wrap) {
+ // Test lock wrap with simple access
+ android::mediametrics::LockWrap<std::string> s("123");
+ ASSERT_EQ('1', s->at(0));
+ ASSERT_EQ('2', s->at(1));
+ s->push_back('4');
+ ASSERT_EQ('4', s->at(3));
+
+ const android::mediametrics::LockWrap<std::string> s2("345");
+ ASSERT_EQ('3', s2->operator[](0)); // s2[0] == '3'
+ // note: we can't modify s2 due to const, s2->push_back('6');
+
+ android::mediametrics::LockWrap<std::string> s3("");
+ s3->operator=("abc");
+ ASSERT_EQ('b', s3->operator[](1)); // s2[1] = 'b';
+
+ // Use Thunk to check whether we have the lock when calling a method through LockWrap.
+
+ class Thunk {
+ std::function<void()> mF;
+
+ public:
+ Thunk(decltype(mF) f) : mF(f) {}
+ void thunk() { mF(); }
+ };
+
+ android::mediametrics::LockWrap<Thunk> s4([&]{
+ ASSERT_EQ(true, s4.isLocked()); // we must be locked when thunk() is called.
+ });
+
+ // This will fail if we are not locked during method access.
+ s4->thunk();
+}
+
+TEST(mediametrics_tests, lock_wrap_multithread) {
+ class Accumulator {
+ int32_t value_ = 0;
+ public:
+ void add(int32_t incr) {
+ const int32_t temp = value_;
+ sleep(0); // yield
+ value_ = temp + incr;
+ }
+ int32_t get() { return value_; }
+ };
+
+ android::mediametrics::LockWrap<Accumulator> a{}; // locked accumulator succeeds
+ // auto a = std::make_shared<Accumulator>(); // this fails, only 50% adds atomic.
+
+ constexpr size_t THREADS = 100;
+ constexpr size_t ITERATIONS = 10;
+ constexpr int32_t INCREMENT = 1;
+
+ std::vector<std::future<void>> threads(THREADS);
+ for (size_t i = 0; i < THREADS; ++i) {
+ threads.push_back(std::async(std::launch::async, [&] {
+ for (size_t j = 0; j < ITERATIONS; ++j) {
+ a->add(INCREMENT);
+ }
+ }));
+ }
+ threads.clear();
+
+ // If the add operations are not atomic, value will be smaller than expected.
+ ASSERT_EQ(INCREMENT * THREADS * ITERATIONS, (size_t)a->get());
+}
+
TEST(mediametrics_tests, instantiate) {
sp mediaMetrics = new MediaMetricsService();
status_t status;
@@ -592,6 +703,61 @@
ASSERT_EQ((size_t)2, transactionLog.size());
}
+TEST(mediametrics_tests, analytics_actions) {
+ mediametrics::AnalyticsActions analyticsActions;
+ bool action1 = false;
+ bool action2 = false;
+ bool action3 = false;
+ bool action4 = false;
+
+ // check to see whether various actions have been matched.
+ analyticsActions.addAction(
+ "audio.flinger.event",
+ std::string("AudioFlinger"),
+ std::make_shared<mediametrics::AnalyticsActions::Function>(
+ [&](const std::shared_ptr<const android::mediametrics::Item> &) {
+ action1 = true;
+ }));
+
+ analyticsActions.addAction(
+ "audio.*.event",
+ std::string("AudioFlinger"),
+ std::make_shared<mediametrics::AnalyticsActions::Function>(
+ [&](const std::shared_ptr<const android::mediametrics::Item> &) {
+ action2 = true;
+ }));
+
+ analyticsActions.addAction("audio.fl*n*g*r.event",
+ std::string("AudioFlinger"),
+ std::make_shared<mediametrics::AnalyticsActions::Function>(
+ [&](const std::shared_ptr<const android::mediametrics::Item> &) {
+ action3 = true;
+ }));
+
+ analyticsActions.addAction("audio.fl*gn*r.event",
+ std::string("AudioFlinger"),
+ std::make_shared<mediametrics::AnalyticsActions::Function>(
+ [&](const std::shared_ptr<const android::mediametrics::Item> &) {
+ action4 = true;
+ }));
+
+ // make a test item
+ auto item = std::make_shared<mediametrics::Item>("audio.flinger");
+ (*item).set("event", "AudioFlinger");
+
+ // get the actions and execute them
+ auto actions = analyticsActions.getActionsForItem(item);
+ for (const auto& action : actions) {
+ action->operator()(item);
+ }
+
+ // The following should match.
+ ASSERT_EQ(true, action1);
+ ASSERT_EQ(true, action2);
+ ASSERT_EQ(true, action3);
+ ASSERT_EQ(false, action4); // audio.fl*gn*r != audio.flinger
+}
+
TEST(mediametrics_tests, audio_analytics_permission) {
auto item = std::make_shared<mediametrics::Item>("audio.1");
(*item).set("one", (int32_t)1)
@@ -614,14 +780,14 @@
// TODO: Verify contents of AudioAnalytics.
// Currently there is no getter API in AudioAnalytics besides dump.
- ASSERT_EQ(4, audioAnalytics.dump(1000).second /* lines */);
+ ASSERT_EQ(9, audioAnalytics.dump(1000).second /* lines */);
ASSERT_EQ(NO_ERROR, audioAnalytics.submit(item, true /* isTrusted */));
// untrusted entities can add to an existing key
ASSERT_EQ(NO_ERROR, audioAnalytics.submit(item2, false /* isTrusted */));
// Check that we have some info in the dump.
- ASSERT_LT(4, audioAnalytics.dump(1000).second /* lines */);
+ ASSERT_LT(9, audioAnalytics.dump(1000).second /* lines */);
}
TEST(mediametrics_tests, audio_analytics_dump) {