Merge "Fix incorrect getDeviceAndMixForInputSource matching logic" am: d28d8d4972 am: 9db0bd28f4
Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2238655
Change-Id: Ic23cc1e12c85ec1ef5fcf5d94e5a56214e3d3cb7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/services/audiopolicy/common/managerdefinitions/include/AudioPolicyMix.h b/services/audiopolicy/common/managerdefinitions/include/AudioPolicyMix.h
index afffcd5..3b19e52 100644
--- a/services/audiopolicy/common/managerdefinitions/include/AudioPolicyMix.h
+++ b/services/audiopolicy/common/managerdefinitions/include/AudioPolicyMix.h
@@ -76,7 +76,7 @@
sp<AudioPolicyMix> &primaryMix,
std::vector<sp<AudioPolicyMix>> *secondaryMixes);
- sp<DeviceDescriptor> getDeviceAndMixForInputSource(audio_source_t inputSource,
+ sp<DeviceDescriptor> getDeviceAndMixForInputSource(const audio_attributes_t& attributes,
const DeviceVector &availableDeviceTypes,
uid_t uid,
sp<AudioPolicyMix> *policyMix) const;
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioPolicyMix.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioPolicyMix.cpp
index 65fab43..56c0603 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioPolicyMix.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioPolicyMix.cpp
@@ -28,6 +28,61 @@
namespace android {
namespace {
+// Returns true if the criterion matches.
+// The exclude criteria are handled in the same way as positive
+// ones - only condition is matched (the function will return
+// same result both for RULE_MATCH_X and RULE_EXCLUDE_X).
+bool isCriterionMatched(const AudioMixMatchCriterion& criterion,
+ const audio_attributes_t& attr,
+ const uid_t uid) {
+ uint32_t ruleWithoutExclusion = criterion.mRule & ~RULE_EXCLUSION_MASK;
+ switch(ruleWithoutExclusion) {
+ case RULE_MATCH_ATTRIBUTE_USAGE:
+ return criterion.mValue.mUsage == attr.usage;
+ case RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET:
+ return criterion.mValue.mSource == attr.source;
+ case RULE_MATCH_UID:
+ return criterion.mValue.mUid == uid;
+ case RULE_MATCH_USERID:
+ {
+ userid_t userId = multiuser_get_user_id(uid);
+ return criterion.mValue.mUserId == userId;
+ }
+ }
+ ALOGE("Encountered invalid mix rule 0x%x", criterion.mRule);
+ return false;
+}
+
+// Returns true if vector of criteria is matched:
+// - If any of the exclude criteria is matched the criteria doesn't match.
+// - Otherwise, for each 'dimension' of positive rule present
+// (usage, capture preset, uid, userid...) at least one rule must match
+// for the criteria to match.
+bool areMixCriteriaMatched(const std::vector<AudioMixMatchCriterion>& criteria,
+ const audio_attributes_t& attr,
+ const uid_t uid) {
+ // If any of the exclusion criteria are matched the mix doesn't match.
+ auto isMatchingExcludeCriterion = [&](const AudioMixMatchCriterion& c) {
+ return c.isExcludeCriterion() && isCriterionMatched(c, attr, uid);
+ };
+ if (std::any_of(criteria.begin(), criteria.end(), isMatchingExcludeCriterion)) {
+ return false;
+ }
+
+ uint32_t presentPositiveRules = 0; // Bitmask of all present positive criteria.
+ uint32_t matchedPositiveRules = 0; // Bitmask of all matched positive criteria.
+ for (const auto& criterion : criteria) {
+ if (criterion.isExcludeCriterion()) {
+ continue;
+ }
+ presentPositiveRules |= criterion.mRule;
+ if (isCriterionMatched(criterion, attr, uid)) {
+ matchedPositiveRules |= criterion.mRule;
+ }
+ }
+ return presentPositiveRules == matchedPositiveRules;
+}
+
// Consistency checks: for each "dimension" of rules (usage, uid...), we can
// only have MATCH rules, or EXCLUDE rules in each dimension, not a combination.
bool areMixCriteriaConsistent(const std::vector<AudioMixMatchCriterion>& criteria) {
@@ -268,119 +323,19 @@
return MixMatchStatus::NO_MATCH;
}
- int userId = (int) multiuser_get_user_id(uid);
-
- // TODO if adding more player rules (currently only 2), make rule handling "generic"
- // as there is no difference in the treatment of usage- or uid-based rules
- bool hasUsageMatchRules = false;
- bool hasUsageExcludeRules = false;
- bool usageMatchFound = false;
- bool usageExclusionFound = false;
-
- bool hasUidMatchRules = false;
- bool hasUidExcludeRules = false;
- bool uidMatchFound = false;
- bool uidExclusionFound = false;
-
- bool hasUserIdExcludeRules = false;
- bool userIdExclusionFound = false;
- bool hasUserIdMatchRules = false;
- bool userIdMatchFound = false;
-
-
- bool hasAddrMatch = false;
-
- // iterate over all mix criteria to list what rules this mix contains
- for (size_t j = 0; j < mix->mCriteria.size(); j++) {
- ALOGV(" getOutputForAttr: mix %zu: inspecting mix criteria %zu of %zu",
- mixIndex, j, mix->mCriteria.size());
-
- // if there is an address match, prioritize that match
- if (strncmp(attributes.tags, "addr=", strlen("addr=")) == 0 &&
- strncmp(attributes.tags + strlen("addr="),
- mix->mDeviceAddress.string(),
- AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - strlen("addr=") - 1) == 0) {
- hasAddrMatch = true;
- break;
- }
-
- switch (mix->mCriteria[j].mRule) {
- case RULE_MATCH_ATTRIBUTE_USAGE:
- ALOGV("\tmix has RULE_MATCH_ATTRIBUTE_USAGE for usage %d",
- mix->mCriteria[j].mValue.mUsage);
- hasUsageMatchRules = true;
- if (mix->mCriteria[j].mValue.mUsage == attributes.usage) {
- // found one match against all allowed usages
- usageMatchFound = true;
- }
- break;
- case RULE_EXCLUDE_ATTRIBUTE_USAGE:
- ALOGV("\tmix has RULE_EXCLUDE_ATTRIBUTE_USAGE for usage %d",
- mix->mCriteria[j].mValue.mUsage);
- hasUsageExcludeRules = true;
- if (mix->mCriteria[j].mValue.mUsage == attributes.usage) {
- // found this usage is to be excluded
- usageExclusionFound = true;
- }
- break;
- case RULE_MATCH_UID:
- ALOGV("\tmix has RULE_MATCH_UID for uid %d", mix->mCriteria[j].mValue.mUid);
- hasUidMatchRules = true;
- if (mix->mCriteria[j].mValue.mUid == uid) {
- // found one UID match against all allowed UIDs
- uidMatchFound = true;
- }
- break;
- case RULE_EXCLUDE_UID:
- ALOGV("\tmix has RULE_EXCLUDE_UID for uid %d", mix->mCriteria[j].mValue.mUid);
- hasUidExcludeRules = true;
- if (mix->mCriteria[j].mValue.mUid == uid) {
- // found this UID is to be excluded
- uidExclusionFound = true;
- }
- break;
- case RULE_MATCH_USERID:
- ALOGV("\tmix has RULE_MATCH_USERID for userId %d",
- mix->mCriteria[j].mValue.mUserId);
- hasUserIdMatchRules = true;
- if (mix->mCriteria[j].mValue.mUserId == userId) {
- // found one userId match against all allowed userIds
- userIdMatchFound = true;
- }
- break;
- case RULE_EXCLUDE_USERID:
- ALOGV("\tmix has RULE_EXCLUDE_USERID for userId %d",
- mix->mCriteria[j].mValue.mUserId);
- hasUserIdExcludeRules = true;
- if (mix->mCriteria[j].mValue.mUserId == userId) {
- // found this userId is to be excluded
- userIdExclusionFound = true;
- }
- break;
- default:
- break;
- }
-
-
- if ((hasUsageExcludeRules && usageExclusionFound)
- || (hasUidExcludeRules && uidExclusionFound)
- || (hasUserIdExcludeRules && userIdExclusionFound)) {
- break; // stop iterating on criteria because an exclusion was found (will fail)
- }
- }//iterate on mix criteria
-
- // determine if exiting on success (or implicit failure as desc is 0)
- if (hasAddrMatch ||
- !((hasUsageExcludeRules && usageExclusionFound) ||
- (hasUsageMatchRules && !usageMatchFound) ||
- (hasUidExcludeRules && uidExclusionFound) ||
- (hasUidMatchRules && !uidMatchFound) ||
- (hasUserIdExcludeRules && userIdExclusionFound) ||
- (hasUserIdMatchRules && !userIdMatchFound))) {
+ // if there is an address match, prioritize that match
+ if (strncmp(attributes.tags, "addr=", strlen("addr=")) == 0 &&
+ strncmp(attributes.tags + strlen("addr="),
+ mix->mDeviceAddress.string(),
+ AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - strlen("addr=") - 1) == 0) {
ALOGV("\tgetOutputForAttr will use mix %zu", mixIndex);
return MixMatchStatus::MATCH;
}
+ if (areMixCriteriaMatched(mix->mCriteria, attributes, uid)) {
+ ALOGV("\tgetOutputForAttr will use mix %zu", mixIndex);
+ return MixMatchStatus::MATCH;
+ }
} else if (mix->mMixType == MIX_TYPE_RECORDERS) {
if (attributes.usage == AUDIO_USAGE_VIRTUAL_SOURCE &&
strncmp(attributes.tags, "addr=", strlen("addr=")) == 0 &&
@@ -411,7 +366,7 @@
}
sp<DeviceDescriptor> AudioPolicyMixCollection::getDeviceAndMixForInputSource(
- audio_source_t inputSource,
+ const audio_attributes_t& attributes,
const DeviceVector &availDevices,
uid_t uid,
sp<AudioPolicyMix> *policyMix) const
@@ -421,28 +376,17 @@
if (mix->mMixType != MIX_TYPE_RECORDERS) {
continue;
}
- for (size_t j = 0; j < mix->mCriteria.size(); j++) {
- if ((RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET == mix->mCriteria[j].mRule &&
- mix->mCriteria[j].mValue.mSource == inputSource) ||
- (RULE_EXCLUDE_ATTRIBUTE_CAPTURE_PRESET == mix->mCriteria[j].mRule &&
- mix->mCriteria[j].mValue.mSource != inputSource) ||
- (RULE_MATCH_UID == mix->mCriteria[j].mRule &&
- mix->mCriteria[j].mValue.mUid == uid) ||
- (RULE_EXCLUDE_UID == mix->mCriteria[j].mRule &&
- mix->mCriteria[j].mValue.mUid != uid)) {
- // assuming PolicyMix only for remote submix for input
- // so mix->mDeviceType can only be AUDIO_DEVICE_OUT_REMOTE_SUBMIX
- audio_devices_t device = AUDIO_DEVICE_IN_REMOTE_SUBMIX;
- auto mixDevice =
- availDevices.getDevice(device, mix->mDeviceAddress, AUDIO_FORMAT_DEFAULT);
+ if (areMixCriteriaMatched(mix->mCriteria, attributes, uid)) {
+ // Assuming PolicyMix only for remote submix for input
+ // so mix->mDeviceType can only be AUDIO_DEVICE_OUT_REMOTE_SUBMIX.
+ auto mixDevice = availDevices.getDevice(AUDIO_DEVICE_IN_REMOTE_SUBMIX,
+ mix->mDeviceAddress, AUDIO_FORMAT_DEFAULT);
if (mixDevice != nullptr) {
if (policyMix != nullptr) {
*policyMix = mix;
}
return mixDevice;
}
- break;
- }
}
}
return nullptr;
diff --git a/services/audiopolicy/engineconfigurable/src/Engine.cpp b/services/audiopolicy/engineconfigurable/src/Engine.cpp
index 3d74920..2831a9b 100644
--- a/services/audiopolicy/engineconfigurable/src/Engine.cpp
+++ b/services/audiopolicy/engineconfigurable/src/Engine.cpp
@@ -333,7 +333,7 @@
return device;
}
- device = policyMixes.getDeviceAndMixForInputSource(attr.source,
+ device = policyMixes.getDeviceAndMixForInputSource(attr,
availableInputDevices,
uid,
mix);
diff --git a/services/audiopolicy/enginedefault/src/Engine.cpp b/services/audiopolicy/enginedefault/src/Engine.cpp
index 08d6453..45c5eac 100644
--- a/services/audiopolicy/enginedefault/src/Engine.cpp
+++ b/services/audiopolicy/enginedefault/src/Engine.cpp
@@ -772,7 +772,7 @@
return device;
}
- device = policyMixes.getDeviceAndMixForInputSource(attr.source,
+ device = policyMixes.getDeviceAndMixForInputSource(attr,
availableInputDevices,
uid,
mix);