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227 lines
8.5 KiB
227 lines
8.5 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//#define LOG_NDEBUG 0
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#define LOG_TAG "OmxInfoBuilder"
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#ifdef __LP64__
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#define OMX_ANDROID_COMPILE_AS_32BIT_ON_64BIT_PLATFORMS
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#endif
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#include <android-base/properties.h>
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#include <utils/Log.h>
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#include <media/stagefright/foundation/MediaDefs.h>
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#include <media/stagefright/OmxInfoBuilder.h>
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#include <media/stagefright/ACodec.h>
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#include <android/hardware/media/omx/1.0/IOmxStore.h>
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#include <android/hardware/media/omx/1.0/IOmx.h>
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#include <android/hardware/media/omx/1.0/IOmxNode.h>
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#include <media/stagefright/omx/OMXUtils.h>
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#include <media/IOMX.h>
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#include <media/omx/1.0/WOmx.h>
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#include <media/stagefright/omx/1.0/OmxStore.h>
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#include <media/openmax/OMX_Index.h>
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#include <media/openmax/OMX_IndexExt.h>
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#include <media/openmax/OMX_Audio.h>
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#include <media/openmax/OMX_AudioExt.h>
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#include <media/openmax/OMX_Video.h>
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#include <media/openmax/OMX_VideoExt.h>
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namespace android {
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using ::android::hardware::hidl_string;
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using ::android::hardware::hidl_vec;
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using namespace ::android::hardware::media::omx::V1_0;
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namespace /* unnamed */ {
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bool hasPrefix(const hidl_string& s, const char* prefix) {
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return strncasecmp(s.c_str(), prefix, strlen(prefix)) == 0;
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}
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status_t queryCapabilities(
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const IOmxStore::NodeInfo& node, const char* mediaType, bool isEncoder,
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MediaCodecInfo::CapabilitiesWriter* caps) {
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sp<ACodec> codec = new ACodec();
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for (const auto& attribute : node.attributes) {
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// All features have an int32 value except
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// "feature-bitrate-modes", which has a string value.
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if (hasPrefix(attribute.key, "feature-") &&
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!hasPrefix(attribute.key, "feature-bitrate-modes")) {
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// If this attribute.key is a feature that is not bitrate modes,
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// add an int32 value.
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caps->addDetail(
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attribute.key.c_str(),
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hasPrefix(attribute.value, "1") ? 1 : 0);
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} else {
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// Non-feature attributes
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caps->addDetail(
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attribute.key.c_str(), attribute.value.c_str());
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}
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}
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// query capabilities may remove capabilities that are not actually supported by the codec
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status_t err = codec->queryCapabilities(
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node.owner.c_str(), node.name.c_str(), mediaType, isEncoder, caps);
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if (err != OK) {
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return err;
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}
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return OK;
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}
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} // unnamed namespace
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OmxInfoBuilder::OmxInfoBuilder(bool allowSurfaceEncoders)
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: mAllowSurfaceEncoders(allowSurfaceEncoders) {
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}
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status_t OmxInfoBuilder::buildMediaCodecList(MediaCodecListWriter* writer) {
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// Obtain IOmxStore
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sp<IOmxStore> omxStore = IOmxStore::getService();
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if (omxStore == nullptr) {
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ALOGE("Cannot find an IOmxStore service.");
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return NO_INIT;
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}
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// List service attributes (global settings)
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Status status;
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hidl_vec<IOmxStore::RoleInfo> roles;
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auto transStatus = omxStore->listRoles(
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[&roles] (
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const hidl_vec<IOmxStore::RoleInfo>& inRoleList) {
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roles = inRoleList;
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});
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if (!transStatus.isOk()) {
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ALOGE("Fail to obtain codec roles from IOmxStore.");
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return NO_INIT;
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}
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hidl_vec<IOmxStore::ServiceAttribute> serviceAttributes;
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transStatus = omxStore->listServiceAttributes(
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[&status, &serviceAttributes] (
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Status inStatus,
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const hidl_vec<IOmxStore::ServiceAttribute>& inAttributes) {
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status = inStatus;
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serviceAttributes = inAttributes;
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});
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if (!transStatus.isOk()) {
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ALOGE("Fail to obtain global settings from IOmxStore.");
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return NO_INIT;
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}
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if (status != Status::OK) {
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ALOGE("IOmxStore reports parsing error.");
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return NO_INIT;
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}
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for (const auto& p : serviceAttributes) {
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writer->addGlobalSetting(
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p.key.c_str(), p.value.c_str());
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}
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// Convert roles to lists of codecs
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// codec name -> index into swCodecs/hwCodecs
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std::map<hidl_string, std::unique_ptr<MediaCodecInfoWriter>> codecName2Info;
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uint32_t defaultRank =
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::android::base::GetUintProperty("debug.stagefright.omx_default_rank", 0x100u);
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uint32_t defaultSwAudioRank =
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::android::base::GetUintProperty("debug.stagefright.omx_default_rank.sw-audio", 0x10u);
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uint32_t defaultSwOtherRank =
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::android::base::GetUintProperty("debug.stagefright.omx_default_rank.sw-other", 0x210u);
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for (const IOmxStore::RoleInfo& role : roles) {
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const hidl_string& typeName = role.type;
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bool isEncoder = role.isEncoder;
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bool isAudio = hasPrefix(role.type, "audio/");
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bool isVideoOrImage = hasPrefix(role.type, "video/") || hasPrefix(role.type, "image/");
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for (const IOmxStore::NodeInfo &node : role.nodes) {
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const hidl_string& nodeName = node.name;
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// currently image and video encoders use surface input
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if (!mAllowSurfaceEncoders && isVideoOrImage && isEncoder) {
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ALOGD("disabling %s for media type %s because we are not using OMX input surface",
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nodeName.c_str(), role.type.c_str());
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continue;
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}
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bool isSoftware = hasPrefix(nodeName, "OMX.google");
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uint32_t rank = isSoftware
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? (isAudio ? defaultSwAudioRank : defaultSwOtherRank)
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: defaultRank;
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// get rank from IOmxStore via attribute
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for (const IOmxStore::Attribute& attribute : node.attributes) {
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if (attribute.key == "rank") {
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uint32_t oldRank = rank;
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char dummy;
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if (sscanf(attribute.value.c_str(), "%u%c", &rank, &dummy) != 1) {
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rank = oldRank;
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}
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break;
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}
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}
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MediaCodecInfoWriter* info;
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auto c2i = codecName2Info.find(nodeName);
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if (c2i == codecName2Info.end()) {
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// Create a new MediaCodecInfo for a new node.
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c2i = codecName2Info.insert(std::make_pair(
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nodeName, writer->addMediaCodecInfo())).first;
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info = c2i->second.get();
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info->setName(nodeName.c_str());
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info->setOwner(node.owner.c_str());
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info->setRank(rank);
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typename std::underlying_type<MediaCodecInfo::Attributes>::type attrs = 0;
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// all OMX codecs are vendor codecs (in the vendor partition), but
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// treat OMX.google codecs as non-hardware-accelerated and non-vendor
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if (!isSoftware) {
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attrs |= MediaCodecInfo::kFlagIsVendor;
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if (!std::count_if(
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node.attributes.begin(), node.attributes.end(),
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[](const IOmxStore::Attribute &i) -> bool {
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return i.key == "attribute::software-codec";
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})) {
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attrs |= MediaCodecInfo::kFlagIsHardwareAccelerated;
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}
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}
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if (isEncoder) {
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attrs |= MediaCodecInfo::kFlagIsEncoder;
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}
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info->setAttributes(attrs);
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} else {
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// The node has been seen before. Simply retrieve the
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// existing MediaCodecInfoWriter.
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info = c2i->second.get();
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}
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std::unique_ptr<MediaCodecInfo::CapabilitiesWriter> caps =
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info->addMediaType(typeName.c_str());
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if (queryCapabilities(
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node, typeName.c_str(), isEncoder, caps.get()) != OK) {
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ALOGW("Fail to add media type %s to codec %s",
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typeName.c_str(), nodeName.c_str());
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info->removeMediaType(typeName.c_str());
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}
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}
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}
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return OK;
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}
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} // namespace android
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