stagefright: rework media codec list and infos

This is in preparation of serving the codec list and codec infos
from the mediaserver

Bug: 11990470
Change-Id: Ib8e2708679c9ce461a4ba179974a740cdcdf2731

1 files changed, 252 insertions, 0 deletions

diff --git a/media/libmedia/MediaCodecInfo.cpp b/media/libmedia/MediaCodecInfo.cpp
new file mode 100644
index 0000000..7900eae
--- /dev/null
+++ b/media/libmedia/MediaCodecInfo.cpp
@@ -0,0 +1,252 @@
+/*
+ * Copyright 2014, 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_NDEBUG 0
+#define LOG_TAG "MediaCodecInfo"
+#include <utils/Log.h>
+
+#include <media/IOMX.h>
+
+#include <media/MediaCodecInfo.h>
+
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AMessage.h>
+#include <binder/Parcel.h>
+
+#include <media/stagefright/OMXCodec.h>
+
+namespace android {
+
+void MediaCodecInfo::Capabilities::getSupportedProfileLevels(
+        Vector<ProfileLevel> *profileLevels) const {
+    profileLevels->clear();
+    profileLevels->appendVector(mProfileLevels);
+}
+
+void MediaCodecInfo::Capabilities::getSupportedColorFormats(
+        Vector<uint32_t> *colorFormats) const {
+    colorFormats->clear();
+    colorFormats->appendVector(mColorFormats);
+}
+
+uint32_t MediaCodecInfo::Capabilities::getFlags() const {
+    return mFlags;
+}
+
+const sp<AMessage> &MediaCodecInfo::Capabilities::getDetails() const {
+    return mDetails;
+}
+
+MediaCodecInfo::Capabilities::Capabilities()
+  : mFlags(0) {
+    mDetails = new AMessage;
+}
+
+// static
+sp<MediaCodecInfo::Capabilities> MediaCodecInfo::Capabilities::FromParcel(
+        const Parcel &parcel) {
+    sp<MediaCodecInfo::Capabilities> caps = new Capabilities();
+    size_t size = static_cast<size_t>(parcel.readInt32());
+    for (size_t i = 0; i < size; i++) {
+        ProfileLevel profileLevel;
+        profileLevel.mProfile = static_cast<uint32_t>(parcel.readInt32());
+        profileLevel.mLevel = static_cast<uint32_t>(parcel.readInt32());
+        if (caps != NULL) {
+            caps->mProfileLevels.push_back(profileLevel);
+        }
+    }
+    size = static_cast<size_t>(parcel.readInt32());
+    for (size_t i = 0; i < size; i++) {
+        uint32_t color = static_cast<uint32_t>(parcel.readInt32());
+        if (caps != NULL) {
+            caps->mColorFormats.push_back(color);
+        }
+    }
+    uint32_t flags = static_cast<uint32_t>(parcel.readInt32());
+    sp<AMessage> details = AMessage::FromParcel(parcel);
+    if (caps != NULL) {
+        caps->mFlags = flags;
+        caps->mDetails = details;
+    }
+    return caps;
+}
+
+status_t MediaCodecInfo::Capabilities::writeToParcel(Parcel *parcel) const {
+    CHECK_LE(mProfileLevels.size(), INT32_MAX);
+    parcel->writeInt32(mProfileLevels.size());
+    for (size_t i = 0; i < mProfileLevels.size(); i++) {
+        parcel->writeInt32(mProfileLevels.itemAt(i).mProfile);
+        parcel->writeInt32(mProfileLevels.itemAt(i).mLevel);
+    }
+    CHECK_LE(mColorFormats.size(), INT32_MAX);
+    parcel->writeInt32(mColorFormats.size());
+    for (size_t i = 0; i < mColorFormats.size(); i++) {
+        parcel->writeInt32(mColorFormats.itemAt(i));
+    }
+    parcel->writeInt32(mFlags);
+    mDetails->writeToParcel(parcel);
+    return OK;
+}
+
+bool MediaCodecInfo::isEncoder() const {
+    return mIsEncoder;
+}
+
+bool MediaCodecInfo::hasQuirk(const char *name) const {
+    for (size_t ix = 0; ix < mQuirks.size(); ix++) {
+        if (mQuirks.itemAt(ix).equalsIgnoreCase(name)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+void MediaCodecInfo::getSupportedMimes(Vector<AString> *mimes) const {
+    mimes->clear();
+    for (size_t ix = 0; ix < mCaps.size(); ix++) {
+        mimes->push_back(mCaps.keyAt(ix));
+    }
+}
+
+const sp<MediaCodecInfo::Capabilities> &
+MediaCodecInfo::getCapabilitiesFor(const char *mime) const {
+    ssize_t ix = getCapabilityIndex(mime);
+    if (ix >= 0) {
+        return mCaps.valueAt(ix);
+    }
+    return NULL;
+}
+
+const char *MediaCodecInfo::getCodecName() const {
+    return mName.c_str();
+}
+
+// static
+sp<MediaCodecInfo> MediaCodecInfo::FromParcel(const Parcel &parcel) {
+    AString name = AString::FromParcel(parcel);
+    bool isEncoder = static_cast<bool>(parcel.readInt32());
+    sp<MediaCodecInfo> info = new MediaCodecInfo(name, isEncoder, NULL);
+    size_t size = static_cast<size_t>(parcel.readInt32());
+    for (size_t i = 0; i < size; i++) {
+        AString quirk = AString::FromParcel(parcel);
+        if (info != NULL) {
+            info->mQuirks.push_back(quirk);
+        }
+    }
+    size = static_cast<size_t>(parcel.readInt32());
+    for (size_t i = 0; i < size; i++) {
+        AString mime = AString::FromParcel(parcel);
+        sp<Capabilities> caps = Capabilities::FromParcel(parcel);
+        if (info != NULL) {
+            info->mCaps.add(mime, caps);
+        }
+    }
+    return info;
+}
+
+status_t MediaCodecInfo::writeToParcel(Parcel *parcel) const {
+    mName.writeToParcel(parcel);
+    parcel->writeInt32(mIsEncoder);
+    parcel->writeInt32(mQuirks.size());
+    for (size_t i = 0; i < mQuirks.size(); i++) {
+        mQuirks.itemAt(i).writeToParcel(parcel);
+    }
+    parcel->writeInt32(mCaps.size());
+    for (size_t i = 0; i < mCaps.size(); i++) {
+        mCaps.keyAt(i).writeToParcel(parcel);
+        mCaps.valueAt(i)->writeToParcel(parcel);
+    }
+    return OK;
+}
+
+ssize_t MediaCodecInfo::getCapabilityIndex(const char *mime) const {
+    for (size_t ix = 0; ix < mCaps.size(); ix++) {
+        if (mCaps.keyAt(ix).equalsIgnoreCase(mime)) {
+            return ix;
+        }
+    }
+    return -1;
+}
+
+MediaCodecInfo::MediaCodecInfo(AString name, bool encoder, const char *mime)
+    : mName(name),
+      mIsEncoder(encoder),
+      mHasSoleMime(false) {
+    if (mime != NULL) {
+        addMime(mime);
+        mHasSoleMime = true;
+    }
+}
+
+status_t MediaCodecInfo::addMime(const char *mime) {
+    if (mHasSoleMime) {
+        ALOGE("Codec '%s' already had its type specified", mName.c_str());
+        return -EINVAL;
+    }
+    ssize_t ix = getCapabilityIndex(mime);
+    if (ix >= 0) {
+        mCurrentCaps = mCaps.valueAt(ix);
+    } else {
+        mCurrentCaps = new Capabilities();
+        mCaps.add(AString(mime), mCurrentCaps);
+    }
+    return OK;
+}
+
+status_t MediaCodecInfo::initializeCapabilities(const CodecCapabilities &caps) {
+    mCurrentCaps->mProfileLevels.clear();
+    mCurrentCaps->mColorFormats.clear();
+
+    for (size_t i = 0; i < caps.mProfileLevels.size(); ++i) {
+        const CodecProfileLevel &src = caps.mProfileLevels.itemAt(i);
+
+        ProfileLevel profileLevel;
+        profileLevel.mProfile = src.mProfile;
+        profileLevel.mLevel = src.mLevel;
+        mCurrentCaps->mProfileLevels.push_back(profileLevel);
+    }
+
+    for (size_t i = 0; i < caps.mColorFormats.size(); ++i) {
+        mCurrentCaps->mColorFormats.push_back(caps.mColorFormats.itemAt(i));
+    }
+
+    mCurrentCaps->mFlags = caps.mFlags;
+    mCurrentCaps->mDetails = new AMessage;
+
+    return OK;
+}
+
+void MediaCodecInfo::addQuirk(const char *name) {
+    if (!hasQuirk(name)) {
+        mQuirks.push(name);
+    }
+}
+
+void MediaCodecInfo::complete() {
+    mCurrentCaps = NULL;
+}
+
+void MediaCodecInfo::addDetail(const AString &key, const AString &value) {
+    mCurrentCaps->mDetails->setString(key.c_str(), value.c_str());
+}
+
+void MediaCodecInfo::addFeature(const AString &key, int32_t value) {
+    AString tag = "feature-";
+    tag.append(key);
+    mCurrentCaps->mDetails->setInt32(tag.c_str(), value);
+}
+
+}  // namespace android