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-rw-r--r--media/jni/android_media_MediaCodec.cpp7
-rw-r--r--media/jni/android_media_MediaCodec.h1
-rw-r--r--media/jni/android_media_MediaCodecList.cpp138
3 files changed, 110 insertions, 36 deletions
diff --git a/media/jni/android_media_MediaCodec.cpp b/media/jni/android_media_MediaCodec.cpp
index 406f9dd94bb4..f07f1e8fb62b 100644
--- a/media/jni/android_media_MediaCodec.cpp
+++ b/media/jni/android_media_MediaCodec.cpp
@@ -153,8 +153,12 @@ JMediaCodec::JMediaCodec(
if (nameIsType) {
mCodec = MediaCodec::CreateByType(mLooper, name, encoder, &mInitStatus);
+ if (mCodec == nullptr || mCodec->getName(&mNameAtCreation) != OK) {
+ mNameAtCreation = "(null)";
+ }
} else {
mCodec = MediaCodec::CreateByComponentName(mLooper, name, &mInitStatus);
+ mNameAtCreation = name;
}
CHECK((mCodec != NULL) != (mInitStatus != OK));
}
@@ -699,9 +703,8 @@ status_t JMediaCodec::getCodecInfo(JNIEnv *env, jobject *codecInfoObject) const
return err;
}
- // TODO: get alias
ScopedLocalRef<jstring> nameObject(env,
- env->NewStringUTF(codecInfo->getCodecName()));
+ env->NewStringUTF(mNameAtCreation.c_str()));
ScopedLocalRef<jstring> canonicalNameObject(env,
env->NewStringUTF(codecInfo->getCodecName()));
diff --git a/media/jni/android_media_MediaCodec.h b/media/jni/android_media_MediaCodec.h
index 0a53f1a0e268..de08550fa3db 100644
--- a/media/jni/android_media_MediaCodec.h
+++ b/media/jni/android_media_MediaCodec.h
@@ -155,6 +155,7 @@ private:
sp<ALooper> mLooper;
sp<MediaCodec> mCodec;
+ AString mNameAtCreation;
sp<AMessage> mCallbackNotification;
sp<AMessage> mOnFrameRenderedNotification;
diff --git a/media/jni/android_media_MediaCodecList.cpp b/media/jni/android_media_MediaCodecList.cpp
index cf1494296756..6b8f7457eab9 100644
--- a/media/jni/android_media_MediaCodecList.cpp
+++ b/media/jni/android_media_MediaCodecList.cpp
@@ -24,6 +24,10 @@
#include <media/IMediaCodecList.h>
#include <media/MediaCodecInfo.h>
+#include <utils/Vector.h>
+
+#include <vector>
+
#include "android_runtime/AndroidRuntime.h"
#include "jni.h"
#include <nativehelper/JNIHelp.h>
@@ -31,25 +35,91 @@
using namespace android;
-static sp<IMediaCodecList> getCodecList(JNIEnv *env) {
- sp<IMediaCodecList> mcl = MediaCodecList::getInstance();
- if (mcl == NULL) {
- // This should never happen unless something is really wrong
- jniThrowException(
- env, "java/lang/RuntimeException", "cannot get MediaCodecList");
+/**
+ * This object unwraps codec aliases into individual codec infos as the Java interface handles
+ * aliases in this way.
+ */
+class JavaMediaCodecListWrapper {
+public:
+ struct Info {
+ sp<MediaCodecInfo> info;
+ AString alias;
+ };
+
+ const Info getCodecInfo(size_t index) const {
+ if (index < mInfoList.size()) {
+ return mInfoList[index];
+ }
+ // return
+ return Info { nullptr /* info */, "(none)" /* alias */ };
+ }
+
+ size_t countCodecs() const {
+ return mInfoList.size();
}
- return mcl;
+
+ sp<IMediaCodecList> getCodecList() const {
+ return mCodecList;
+ }
+
+ size_t findCodecByName(AString name) const {
+ auto it = mInfoIndex.find(name);
+ return it == mInfoIndex.end() ? -ENOENT : it->second;
+ }
+
+ JavaMediaCodecListWrapper(sp<IMediaCodecList> mcl)
+ : mCodecList(mcl) {
+ size_t numCodecs = mcl->countCodecs();
+ for (size_t ix = 0; ix < numCodecs; ++ix) {
+ sp<MediaCodecInfo> info = mcl->getCodecInfo(ix);
+ Vector<AString> namesAndAliases;
+ info->getAliases(&namesAndAliases);
+ namesAndAliases.insertAt(0);
+ namesAndAliases.editItemAt(0) = info->getCodecName();
+ for (const AString &nameOrAlias : namesAndAliases) {
+ if (mInfoIndex.count(nameOrAlias) > 0) {
+ // skip duplicate names or aliases
+ continue;
+ }
+ mInfoIndex.emplace(nameOrAlias, mInfoList.size());
+ mInfoList.emplace_back(Info { info, nameOrAlias });
+ }
+ }
+ }
+
+private:
+ sp<IMediaCodecList> mCodecList;
+ std::vector<Info> mInfoList;
+ std::map<AString, size_t> mInfoIndex;
+};
+
+static std::mutex sMutex;
+static std::unique_ptr<JavaMediaCodecListWrapper> sListWrapper;
+
+static const JavaMediaCodecListWrapper *getCodecList(JNIEnv *env) {
+ std::lock_guard<std::mutex> lock(sMutex);
+ if (sListWrapper == nullptr) {
+ sp<IMediaCodecList> mcl = MediaCodecList::getInstance();
+ if (mcl == NULL) {
+ // This should never happen unless something is really wrong
+ jniThrowException(
+ env, "java/lang/RuntimeException", "cannot get MediaCodecList");
+ }
+
+ sListWrapper.reset(new JavaMediaCodecListWrapper(mcl));
+ }
+ return sListWrapper.get();
}
-static sp<MediaCodecInfo> getCodecInfo(JNIEnv *env, jint index) {
- sp<IMediaCodecList> mcl = getCodecList(env);
- if (mcl == NULL) {
+static JavaMediaCodecListWrapper::Info getCodecInfo(JNIEnv *env, jint index) {
+ const JavaMediaCodecListWrapper *mcl = getCodecList(env);
+ if (mcl == nullptr) {
// Runtime exception already pending.
- return NULL;
+ return JavaMediaCodecListWrapper::Info { nullptr /* info */, "(none)" /* alias */ };
}
- sp<MediaCodecInfo> info = mcl->getCodecInfo(index);
- if (info == NULL) {
+ JavaMediaCodecListWrapper::Info info = mcl->getCodecInfo(index);
+ if (info.info == NULL) {
jniThrowException(env, "java/lang/IllegalArgumentException", NULL);
}
@@ -58,36 +128,36 @@ static sp<MediaCodecInfo> getCodecInfo(JNIEnv *env, jint index) {
static jint android_media_MediaCodecList_getCodecCount(
JNIEnv *env, jobject /* thiz */) {
- sp<IMediaCodecList> mcl = getCodecList(env);
+ const JavaMediaCodecListWrapper *mcl = getCodecList(env);
if (mcl == NULL) {
// Runtime exception already pending.
return 0;
}
+
return mcl->countCodecs();
}
static jstring android_media_MediaCodecList_getCodecName(
JNIEnv *env, jobject /* thiz */, jint index) {
- sp<MediaCodecInfo> info = getCodecInfo(env, index);
- if (info == NULL) {
+ JavaMediaCodecListWrapper::Info info = getCodecInfo(env, index);
+ if (info.info == NULL) {
// Runtime exception already pending.
return NULL;
}
- // TODO: support aliases
- const char *name = info->getCodecName();
+ const char *name = info.alias.c_str();
return env->NewStringUTF(name);
}
static jstring android_media_MediaCodecList_getCanonicalName(
JNIEnv *env, jobject /* thiz */, jint index) {
- sp<MediaCodecInfo> info = getCodecInfo(env, index);
- if (info == NULL) {
+ JavaMediaCodecListWrapper::Info info = getCodecInfo(env, index);
+ if (info.info == NULL) {
// Runtime exception already pending.
return NULL;
}
- const char *name = info->getCodecName();
+ const char *name = info.info->getCodecName();
return env->NewStringUTF(name);
}
@@ -104,7 +174,7 @@ static jint android_media_MediaCodecList_findCodecByName(
return -ENOENT;
}
- sp<IMediaCodecList> mcl = getCodecList(env);
+ const JavaMediaCodecListWrapper *mcl = getCodecList(env);
if (mcl == NULL) {
// Runtime exception already pending.
env->ReleaseStringUTFChars(name, nameStr);
@@ -118,25 +188,25 @@ static jint android_media_MediaCodecList_findCodecByName(
static jboolean android_media_MediaCodecList_getAttributes(
JNIEnv *env, jobject /* thiz */, jint index) {
- sp<MediaCodecInfo> info = getCodecInfo(env, index);
- if (info == NULL) {
+ JavaMediaCodecListWrapper::Info info = getCodecInfo(env, index);
+ if (info.info == NULL) {
// Runtime exception already pending.
return 0;
}
- return info->getAttributes();
+ return info.info->getAttributes();
}
static jarray android_media_MediaCodecList_getSupportedTypes(
JNIEnv *env, jobject /* thiz */, jint index) {
- sp<MediaCodecInfo> info = getCodecInfo(env, index);
- if (info == NULL) {
+ JavaMediaCodecListWrapper::Info info = getCodecInfo(env, index);
+ if (info.info == NULL) {
// Runtime exception already pending.
return NULL;
}
Vector<AString> types;
- info->getSupportedMediaTypes(&types);
+ info.info->getSupportedMediaTypes(&types);
jclass clazz = env->FindClass("java/lang/String");
CHECK(clazz != NULL);
@@ -160,8 +230,8 @@ static jobject android_media_MediaCodecList_getCodecCapabilities(
return NULL;
}
- sp<MediaCodecInfo> info = getCodecInfo(env, index);
- if (info == NULL) {
+ JavaMediaCodecListWrapper::Info info = getCodecInfo(env, index);
+ if (info.info == NULL) {
// Runtime exception already pending.
return NULL;
}
@@ -181,7 +251,7 @@ static jobject android_media_MediaCodecList_getCodecCapabilities(
// TODO query default-format also from codec/codec list
const sp<MediaCodecInfo::Capabilities> &capabilities =
- info->getCapabilitiesFor(typeStr);
+ info.info->getCapabilitiesFor(typeStr);
env->ReleaseStringUTFChars(type, typeStr);
typeStr = NULL;
if (capabilities == NULL) {
@@ -192,7 +262,7 @@ static jobject android_media_MediaCodecList_getCodecCapabilities(
capabilities->getSupportedColorFormats(&colorFormats);
capabilities->getSupportedProfileLevels(&profileLevels);
sp<AMessage> details = capabilities->getDetails();
- bool isEncoder = info->isEncoder();
+ bool isEncoder = info.info->isEncoder();
jobject defaultFormatObj = NULL;
if (ConvertMessageToMap(env, defaultFormat, &defaultFormatObj)) {
@@ -267,13 +337,13 @@ static jobject android_media_MediaCodecList_getCodecCapabilities(
}
static jobject android_media_MediaCodecList_getGlobalSettings(JNIEnv *env, jobject /* thiz */) {
- sp<IMediaCodecList> mcl = getCodecList(env);
+ const JavaMediaCodecListWrapper *mcl = getCodecList(env);
if (mcl == NULL) {
// Runtime exception already pending.
return NULL;
}
- const sp<AMessage> settings = mcl->getGlobalSettings();
+ const sp<AMessage> settings = mcl->getCodecList()->getGlobalSettings();
if (settings == NULL) {
jniThrowException(env, "java/lang/RuntimeException", "cannot get global settings");
return NULL;
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-20 11:12:50 +0000