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633 lines
26 KiB
633 lines
26 KiB
/*
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* Copyright (C) 2018 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 "Codec2InfoBuilder"
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#include <log/log.h>
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#include <strings.h>
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#include <C2Component.h>
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#include <C2Config.h>
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#include <C2Debug.h>
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#include <C2PlatformSupport.h>
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#include <Codec2Mapper.h>
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#include <OMX_Audio.h>
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#include <OMX_AudioExt.h>
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#include <OMX_IndexExt.h>
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#include <OMX_Types.h>
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#include <OMX_Video.h>
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#include <OMX_VideoExt.h>
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#include <OMX_AsString.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/IOmxObserver.h>
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#include <android/hardware/media/omx/1.0/IOmxNode.h>
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#include <android/hardware/media/omx/1.0/types.h>
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#include <android-base/properties.h>
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#include <codec2/hidl/client.h>
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#include <cutils/native_handle.h>
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#include <media/omx/1.0/WOmxNode.h>
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#include <media/stagefright/foundation/ALookup.h>
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#include <media/stagefright/foundation/MediaDefs.h>
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#include <media/stagefright/omx/OMXUtils.h>
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#include <media/stagefright/xmlparser/MediaCodecsXmlParser.h>
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#include <media/stagefright/Codec2InfoBuilder.h>
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#include <media/stagefright/MediaCodecConstants.h>
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namespace android {
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using Traits = C2Component::Traits;
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namespace /* unnamed */ {
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bool hasPrefix(const std::string& s, const char* prefix) {
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size_t prefixLen = strlen(prefix);
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return s.compare(0, prefixLen, prefix) == 0;
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}
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bool hasSuffix(const std::string& s, const char* suffix) {
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size_t suffixLen = strlen(suffix);
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return suffixLen > s.size() ? false :
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s.compare(s.size() - suffixLen, suffixLen, suffix) == 0;
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}
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// returns true if component advertised supported profile level(s)
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bool addSupportedProfileLevels(
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std::shared_ptr<Codec2Client::Interface> intf,
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MediaCodecInfo::CapabilitiesWriter *caps,
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const Traits& trait, const std::string &mediaType) {
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std::shared_ptr<C2Mapper::ProfileLevelMapper> mapper =
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C2Mapper::GetProfileLevelMapper(trait.mediaType);
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// if we don't know the media type, pass through all values unmapped
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// TODO: we cannot find levels that are local 'maxima' without knowing the coding
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// e.g. H.263 level 45 and level 30 could be two values for highest level as
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// they don't include one another. For now we use the last supported value.
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bool encoder = trait.kind == C2Component::KIND_ENCODER;
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C2StreamProfileLevelInfo pl(encoder /* output */, 0u);
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std::vector<C2FieldSupportedValuesQuery> profileQuery = {
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C2FieldSupportedValuesQuery::Possible(C2ParamField(&pl, &pl.profile))
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};
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c2_status_t err = intf->querySupportedValues(profileQuery, C2_DONT_BLOCK);
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ALOGV("query supported profiles -> %s | %s", asString(err), asString(profileQuery[0].status));
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if (err != C2_OK || profileQuery[0].status != C2_OK) {
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return false;
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}
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// we only handle enumerated values
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if (profileQuery[0].values.type != C2FieldSupportedValues::VALUES) {
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return false;
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}
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// determine if codec supports HDR
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bool supportsHdr = false;
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bool supportsHdr10Plus = false;
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std::vector<std::shared_ptr<C2ParamDescriptor>> paramDescs;
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c2_status_t err1 = intf->querySupportedParams(¶mDescs);
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if (err1 == C2_OK) {
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for (const std::shared_ptr<C2ParamDescriptor> &desc : paramDescs) {
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C2Param::Type type = desc->index();
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// only consider supported parameters on raw ports
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if (!(encoder ? type.forInput() : type.forOutput())) {
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continue;
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}
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switch (type.coreIndex()) {
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case C2StreamHdr10PlusInfo::CORE_INDEX:
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supportsHdr10Plus = true;
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break;
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case C2StreamHdrStaticInfo::CORE_INDEX:
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supportsHdr = true;
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break;
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default:
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break;
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}
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}
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}
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// For VP9/AV1, the static info is always propagated by framework.
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supportsHdr |= (mediaType == MIMETYPE_VIDEO_VP9);
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supportsHdr |= (mediaType == MIMETYPE_VIDEO_AV1);
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bool added = false;
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for (C2Value::Primitive profile : profileQuery[0].values.values) {
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pl.profile = (C2Config::profile_t)profile.ref<uint32_t>();
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std::vector<std::unique_ptr<C2SettingResult>> failures;
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err = intf->config({&pl}, C2_DONT_BLOCK, &failures);
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ALOGV("set profile to %u -> %s", pl.profile, asString(err));
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std::vector<C2FieldSupportedValuesQuery> levelQuery = {
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C2FieldSupportedValuesQuery::Current(C2ParamField(&pl, &pl.level))
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};
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err = intf->querySupportedValues(levelQuery, C2_DONT_BLOCK);
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ALOGV("query supported levels -> %s | %s", asString(err), asString(levelQuery[0].status));
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if (err != C2_OK || levelQuery[0].status != C2_OK
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|| levelQuery[0].values.type != C2FieldSupportedValues::VALUES
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|| levelQuery[0].values.values.size() == 0) {
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continue;
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}
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C2Value::Primitive level = levelQuery[0].values.values.back();
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pl.level = (C2Config::level_t)level.ref<uint32_t>();
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ALOGV("supporting level: %u", pl.level);
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int32_t sdkProfile, sdkLevel;
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if (mapper && mapper->mapProfile(pl.profile, &sdkProfile)
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&& mapper->mapLevel(pl.level, &sdkLevel)) {
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caps->addProfileLevel((uint32_t)sdkProfile, (uint32_t)sdkLevel);
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// also list HDR profiles if component supports HDR
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if (supportsHdr) {
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auto hdrMapper = C2Mapper::GetHdrProfileLevelMapper(trait.mediaType);
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if (hdrMapper && hdrMapper->mapProfile(pl.profile, &sdkProfile)) {
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caps->addProfileLevel((uint32_t)sdkProfile, (uint32_t)sdkLevel);
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}
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if (supportsHdr10Plus) {
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hdrMapper = C2Mapper::GetHdrProfileLevelMapper(
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trait.mediaType, true /*isHdr10Plus*/);
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if (hdrMapper && hdrMapper->mapProfile(pl.profile, &sdkProfile)) {
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caps->addProfileLevel((uint32_t)sdkProfile, (uint32_t)sdkLevel);
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}
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}
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}
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} else if (!mapper) {
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caps->addProfileLevel(pl.profile, pl.level);
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}
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added = true;
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// for H.263 also advertise the second highest level if the
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// codec supports level 45, as level 45 only covers level 10
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// TODO: move this to some form of a setting so it does not
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// have to be here
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if (mediaType == MIMETYPE_VIDEO_H263) {
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C2Config::level_t nextLevel = C2Config::LEVEL_UNUSED;
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for (C2Value::Primitive v : levelQuery[0].values.values) {
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C2Config::level_t level = (C2Config::level_t)v.ref<uint32_t>();
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if (level < C2Config::LEVEL_H263_45 && level > nextLevel) {
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nextLevel = level;
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}
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}
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if (nextLevel != C2Config::LEVEL_UNUSED
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&& nextLevel != pl.level
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&& mapper
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&& mapper->mapProfile(pl.profile, &sdkProfile)
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&& mapper->mapLevel(nextLevel, &sdkLevel)) {
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caps->addProfileLevel(
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(uint32_t)sdkProfile, (uint32_t)sdkLevel);
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}
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}
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}
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return added;
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}
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void addSupportedColorFormats(
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std::shared_ptr<Codec2Client::Interface> intf,
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MediaCodecInfo::CapabilitiesWriter *caps,
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const Traits& trait, const std::string &mediaType) {
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(void)intf;
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// TODO: get this from intf() as well, but how do we map them to
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// MediaCodec color formats?
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bool encoder = trait.kind == C2Component::KIND_ENCODER;
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if (mediaType.find("video") != std::string::npos
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|| mediaType.find("image") != std::string::npos) {
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// vendor video codecs prefer opaque format
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if (trait.name.find("android") == std::string::npos) {
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caps->addColorFormat(COLOR_FormatSurface);
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}
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caps->addColorFormat(COLOR_FormatYUV420Flexible);
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caps->addColorFormat(COLOR_FormatYUV420Planar);
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caps->addColorFormat(COLOR_FormatYUV420SemiPlanar);
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caps->addColorFormat(COLOR_FormatYUV420PackedPlanar);
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caps->addColorFormat(COLOR_FormatYUV420PackedSemiPlanar);
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// framework video encoders must support surface format, though it is unclear
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// that they will be able to map it if it is opaque
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if (encoder && trait.name.find("android") != std::string::npos) {
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caps->addColorFormat(COLOR_FormatSurface);
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}
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}
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}
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class Switch {
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enum Flags : uint8_t {
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// flags
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IS_ENABLED = (1 << 0),
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BY_DEFAULT = (1 << 1),
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};
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constexpr Switch(uint8_t flags) : mFlags(flags) {}
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uint8_t mFlags;
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public:
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// have to create class due to this bool conversion operator...
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constexpr operator bool() const {
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return mFlags & IS_ENABLED;
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}
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constexpr Switch operator!() const {
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return Switch(mFlags ^ IS_ENABLED);
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}
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static constexpr Switch DISABLED() { return 0; };
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static constexpr Switch ENABLED() { return IS_ENABLED; };
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static constexpr Switch DISABLED_BY_DEFAULT() { return BY_DEFAULT; };
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static constexpr Switch ENABLED_BY_DEFAULT() { return IS_ENABLED | BY_DEFAULT; };
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const char *toString(const char *def = "??") const {
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switch (mFlags) {
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case 0: return "0";
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case IS_ENABLED: return "1";
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case BY_DEFAULT: return "(0)";
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case IS_ENABLED | BY_DEFAULT: return "(1)";
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default: return def;
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}
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}
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};
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const char *asString(const Switch &s, const char *def = "??") {
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return s.toString(def);
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}
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Switch isSettingEnabled(
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std::string setting, const MediaCodecsXmlParser::AttributeMap &settings,
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Switch def = Switch::DISABLED_BY_DEFAULT()) {
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const auto enablement = settings.find(setting);
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if (enablement == settings.end()) {
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return def;
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}
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return enablement->second == "1" ? Switch::ENABLED() : Switch::DISABLED();
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}
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Switch isVariantEnabled(
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std::string variant, const MediaCodecsXmlParser::AttributeMap &settings) {
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return isSettingEnabled("variant-" + variant, settings);
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}
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Switch isVariantExpressionEnabled(
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std::string exp, const MediaCodecsXmlParser::AttributeMap &settings) {
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if (!exp.empty() && exp.at(0) == '!') {
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return !isVariantEnabled(exp.substr(1, exp.size() - 1), settings);
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}
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return isVariantEnabled(exp, settings);
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}
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Switch isDomainEnabled(
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std::string domain, const MediaCodecsXmlParser::AttributeMap &settings) {
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return isSettingEnabled("domain-" + domain, settings);
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}
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} // unnamed namespace
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status_t Codec2InfoBuilder::buildMediaCodecList(MediaCodecListWriter* writer) {
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// TODO: Remove run-time configurations once all codecs are working
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// properly. (Assume "full" behavior eventually.)
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//
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// debug.stagefright.ccodec supports 5 values.
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// 0 - No Codec 2.0 components are available.
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// 1 - Audio decoders and encoders with prefix "c2.android." are available
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// and ranked first.
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// All other components with prefix "c2.android." are available with
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// their normal ranks.
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// Components with prefix "c2.vda." are available with their normal
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// ranks.
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// All other components with suffix ".avc.decoder" or ".avc.encoder"
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// are available but ranked last.
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// 2 - Components with prefix "c2.android." are available and ranked
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// first.
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// Components with prefix "c2.vda." are available with their normal
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// ranks.
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// All other components with suffix ".avc.decoder" or ".avc.encoder"
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// are available but ranked last.
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// 3 - Components with prefix "c2.android." are available and ranked
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// first.
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// All other components are available with their normal ranks.
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// 4 - All components are available with their normal ranks.
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//
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// The default value (boot time) is 1.
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//
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// Note: Currently, OMX components have default rank 0x100, while all
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// Codec2.0 software components have default rank 0x200.
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int option = ::android::base::GetIntProperty("debug.stagefright.ccodec", 4);
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// Obtain Codec2Client
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std::vector<Traits> traits = Codec2Client::ListComponents();
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// parse APEX XML first, followed by vendor XML.
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// Note: APEX XML names do not depend on ro.media.xml_variant.* properties.
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MediaCodecsXmlParser parser;
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parser.parseXmlFilesInSearchDirs(
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{ "media_codecs.xml", "media_codecs_performance.xml" },
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{ "/apex/com.android.media.swcodec/etc" });
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// TODO: remove these c2-specific files once product moved to default file names
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parser.parseXmlFilesInSearchDirs(
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{ "media_codecs_c2.xml", "media_codecs_performance_c2.xml" });
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// parse default XML files
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parser.parseXmlFilesInSearchDirs();
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// The mainline modules for media may optionally include some codec shaping information.
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// Based on vendor partition SDK, and the brand/product/device information
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// (expect to be empty in almost always)
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//
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{
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// get build info so we know what file to search
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// ro.vendor.build.fingerprint
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std::string fingerprint = base::GetProperty("ro.vendor.build.fingerprint",
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"brand/product/device:");
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ALOGV("property_get for ro.vendor.build.fingerprint == '%s'", fingerprint.c_str());
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// ro.vendor.build.version.sdk
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std::string sdk = base::GetProperty("ro.vendor.build.version.sdk", "0");
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ALOGV("property_get for ro.vendor.build.version.sdk == '%s'", sdk.c_str());
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std::string brand;
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std::string product;
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std::string device;
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size_t pos1;
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pos1 = fingerprint.find('/');
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if (pos1 != std::string::npos) {
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brand = fingerprint.substr(0, pos1);
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size_t pos2 = fingerprint.find('/', pos1+1);
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if (pos2 != std::string::npos) {
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product = fingerprint.substr(pos1+1, pos2 - pos1 - 1);
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size_t pos3 = fingerprint.find('/', pos2+1);
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if (pos3 != std::string::npos) {
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device = fingerprint.substr(pos2+1, pos3 - pos2 - 1);
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size_t pos4 = device.find(':');
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if (pos4 != std::string::npos) {
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device.resize(pos4);
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}
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}
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}
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}
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ALOGV("parsed: sdk '%s' brand '%s' product '%s' device '%s'",
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sdk.c_str(), brand.c_str(), product.c_str(), device.c_str());
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std::string base = "/apex/com.android.media/etc/formatshaper";
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// looking in these directories within the apex
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const std::vector<std::string> modulePathnames = {
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base + "/" + sdk + "/" + brand + "/" + product + "/" + device,
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base + "/" + sdk + "/" + brand + "/" + product,
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base + "/" + sdk + "/" + brand,
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base + "/" + sdk,
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base
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};
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parser.parseXmlFilesInSearchDirs( { "media_codecs_shaping.xml" }, modulePathnames);
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}
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if (parser.getParsingStatus() != OK) {
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ALOGD("XML parser no good");
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return OK;
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}
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MediaCodecsXmlParser::AttributeMap settings = parser.getServiceAttributeMap();
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for (const auto &v : settings) {
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if (!hasPrefix(v.first, "media-type-")
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&& !hasPrefix(v.first, "domain-")
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&& !hasPrefix(v.first, "variant-")) {
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writer->addGlobalSetting(v.first.c_str(), v.second.c_str());
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}
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}
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for (const Traits& trait : traits) {
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C2Component::rank_t rank = trait.rank;
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// Interface must be accessible for us to list the component, and there also
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// must be an XML entry for the codec. Codec aliases listed in the traits
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// allow additional XML entries to be specified for each alias. These will
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// be listed as separate codecs. If no XML entry is specified for an alias,
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// those will be treated as an additional alias specified in the XML entry
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// for the interface name.
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std::vector<std::string> nameAndAliases = trait.aliases;
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nameAndAliases.insert(nameAndAliases.begin(), trait.name);
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for (const std::string &nameOrAlias : nameAndAliases) {
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bool isAlias = trait.name != nameOrAlias;
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std::shared_ptr<Codec2Client::Interface> intf =
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Codec2Client::CreateInterfaceByName(nameOrAlias.c_str());
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if (!intf) {
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ALOGD("could not create interface for %s'%s'",
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isAlias ? "alias " : "",
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nameOrAlias.c_str());
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continue;
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}
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if (parser.getCodecMap().count(nameOrAlias) == 0) {
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if (isAlias) {
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std::unique_ptr<MediaCodecInfoWriter> baseCodecInfo =
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writer->findMediaCodecInfo(trait.name.c_str());
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if (!baseCodecInfo) {
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ALOGD("alias '%s' not found in xml but canonical codec info '%s' missing",
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nameOrAlias.c_str(),
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trait.name.c_str());
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} else {
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ALOGD("alias '%s' not found in xml; use an XML <Alias> tag for this",
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nameOrAlias.c_str());
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// merge alias into existing codec
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baseCodecInfo->addAlias(nameOrAlias.c_str());
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}
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} else {
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ALOGD("component '%s' not found in xml", trait.name.c_str());
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}
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continue;
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}
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std::string canonName = trait.name;
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// TODO: Remove this block once all codecs are enabled by default.
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switch (option) {
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case 0:
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continue;
|
|
case 1:
|
|
if (hasPrefix(canonName, "c2.vda.")) {
|
|
break;
|
|
}
|
|
if (hasPrefix(canonName, "c2.android.")) {
|
|
if (trait.domain == C2Component::DOMAIN_AUDIO) {
|
|
rank = 1;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
if (hasSuffix(canonName, ".avc.decoder") ||
|
|
hasSuffix(canonName, ".avc.encoder")) {
|
|
rank = std::numeric_limits<decltype(rank)>::max();
|
|
break;
|
|
}
|
|
continue;
|
|
case 2:
|
|
if (hasPrefix(canonName, "c2.vda.")) {
|
|
break;
|
|
}
|
|
if (hasPrefix(canonName, "c2.android.")) {
|
|
rank = 1;
|
|
break;
|
|
}
|
|
if (hasSuffix(canonName, ".avc.decoder") ||
|
|
hasSuffix(canonName, ".avc.encoder")) {
|
|
rank = std::numeric_limits<decltype(rank)>::max();
|
|
break;
|
|
}
|
|
continue;
|
|
case 3:
|
|
if (hasPrefix(canonName, "c2.android.")) {
|
|
rank = 1;
|
|
}
|
|
break;
|
|
}
|
|
|
|
const MediaCodecsXmlParser::CodecProperties &codec =
|
|
parser.getCodecMap().at(nameOrAlias);
|
|
|
|
// verify that either the codec is explicitly enabled, or one of its domains is
|
|
bool codecEnabled = codec.quirkSet.find("attribute::disabled") == codec.quirkSet.end();
|
|
if (!codecEnabled) {
|
|
for (const std::string &domain : codec.domainSet) {
|
|
const Switch enabled = isDomainEnabled(domain, settings);
|
|
ALOGV("codec entry '%s' is in domain '%s' that is '%s'",
|
|
nameOrAlias.c_str(), domain.c_str(), asString(enabled));
|
|
if (enabled) {
|
|
codecEnabled = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
// if codec has variants, also check that at least one of them is enabled
|
|
bool variantEnabled = codec.variantSet.empty();
|
|
for (const std::string &variant : codec.variantSet) {
|
|
const Switch enabled = isVariantExpressionEnabled(variant, settings);
|
|
ALOGV("codec entry '%s' has a variant '%s' that is '%s'",
|
|
nameOrAlias.c_str(), variant.c_str(), asString(enabled));
|
|
if (enabled) {
|
|
variantEnabled = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!codecEnabled || !variantEnabled) {
|
|
ALOGD("codec entry for '%s' is disabled", nameOrAlias.c_str());
|
|
continue;
|
|
}
|
|
|
|
ALOGV("adding codec entry for '%s'", nameOrAlias.c_str());
|
|
std::unique_ptr<MediaCodecInfoWriter> codecInfo = writer->addMediaCodecInfo();
|
|
codecInfo->setName(nameOrAlias.c_str());
|
|
codecInfo->setOwner(("codec2::" + trait.owner).c_str());
|
|
|
|
bool encoder = trait.kind == C2Component::KIND_ENCODER;
|
|
typename std::underlying_type<MediaCodecInfo::Attributes>::type attrs = 0;
|
|
|
|
if (encoder) {
|
|
attrs |= MediaCodecInfo::kFlagIsEncoder;
|
|
}
|
|
if (trait.owner == "software") {
|
|
attrs |= MediaCodecInfo::kFlagIsSoftwareOnly;
|
|
} else {
|
|
attrs |= MediaCodecInfo::kFlagIsVendor;
|
|
if (trait.owner == "vendor-software") {
|
|
attrs |= MediaCodecInfo::kFlagIsSoftwareOnly;
|
|
} else if (codec.quirkSet.find("attribute::software-codec")
|
|
== codec.quirkSet.end()) {
|
|
attrs |= MediaCodecInfo::kFlagIsHardwareAccelerated;
|
|
}
|
|
}
|
|
codecInfo->setAttributes(attrs);
|
|
if (!codec.rank.empty()) {
|
|
uint32_t xmlRank;
|
|
char dummy;
|
|
if (sscanf(codec.rank.c_str(), "%u%c", &xmlRank, &dummy) == 1) {
|
|
rank = xmlRank;
|
|
}
|
|
}
|
|
ALOGV("rank: %u", (unsigned)rank);
|
|
codecInfo->setRank(rank);
|
|
|
|
for (const std::string &alias : codec.aliases) {
|
|
ALOGV("adding alias '%s'", alias.c_str());
|
|
codecInfo->addAlias(alias.c_str());
|
|
}
|
|
|
|
for (auto typeIt = codec.typeMap.begin(); typeIt != codec.typeMap.end(); ++typeIt) {
|
|
const std::string &mediaType = typeIt->first;
|
|
const Switch typeEnabled = isSettingEnabled(
|
|
"media-type-" + mediaType, settings, Switch::ENABLED_BY_DEFAULT());
|
|
const Switch domainTypeEnabled = isSettingEnabled(
|
|
"media-type-" + mediaType + (encoder ? "-encoder" : "-decoder"),
|
|
settings, Switch::ENABLED_BY_DEFAULT());
|
|
ALOGV("type '%s-%s' is '%s/%s'",
|
|
mediaType.c_str(), (encoder ? "encoder" : "decoder"),
|
|
asString(typeEnabled), asString(domainTypeEnabled));
|
|
if (!typeEnabled || !domainTypeEnabled) {
|
|
ALOGD("media type '%s' for codec entry '%s' is disabled", mediaType.c_str(),
|
|
nameOrAlias.c_str());
|
|
continue;
|
|
}
|
|
|
|
ALOGI("adding type '%s'", typeIt->first.c_str());
|
|
const MediaCodecsXmlParser::AttributeMap &attrMap = typeIt->second;
|
|
std::unique_ptr<MediaCodecInfo::CapabilitiesWriter> caps =
|
|
codecInfo->addMediaType(mediaType.c_str());
|
|
for (const auto &v : attrMap) {
|
|
std::string key = v.first;
|
|
std::string value = v.second;
|
|
|
|
size_t variantSep = key.find(":::");
|
|
if (variantSep != std::string::npos) {
|
|
std::string variant = key.substr(0, variantSep);
|
|
const Switch enabled = isVariantExpressionEnabled(variant, settings);
|
|
ALOGV("variant '%s' is '%s'", variant.c_str(), asString(enabled));
|
|
if (!enabled) {
|
|
continue;
|
|
}
|
|
key = key.substr(variantSep + 3);
|
|
}
|
|
|
|
if (key.find("feature-") == 0 && key.find("feature-bitrate-modes") != 0) {
|
|
int32_t intValue = 0;
|
|
// Ignore trailing bad characters and default to 0.
|
|
(void)sscanf(value.c_str(), "%d", &intValue);
|
|
caps->addDetail(key.c_str(), intValue);
|
|
} else {
|
|
caps->addDetail(key.c_str(), value.c_str());
|
|
}
|
|
}
|
|
|
|
if (!addSupportedProfileLevels(intf, caps.get(), trait, mediaType)) {
|
|
// TODO(b/193279646) This will get fixed in C2InterfaceHelper
|
|
// Some components may not advertise supported values if they use a const
|
|
// param for profile/level (they support only one profile). For now cover
|
|
// only VP8 here until it is fixed.
|
|
if (mediaType == MIMETYPE_VIDEO_VP8) {
|
|
caps->addProfileLevel(VP8ProfileMain, VP8Level_Version0);
|
|
}
|
|
}
|
|
addSupportedColorFormats(intf, caps.get(), trait, mediaType);
|
|
}
|
|
}
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
} // namespace android
|
|
|
|
extern "C" android::MediaCodecListBuilderBase *CreateBuilder() {
|
|
return new android::Codec2InfoBuilder;
|
|
}
|