am 1dac4cdd: am a220a297: Merge "Initial OMA DRM forward lock contribution"

* commit '1dac4cdd6faba15426a0b37a7a615c04f5a35394':
  Initial OMA DRM forward lock contribution

5 files changed, 423 insertions, 0 deletions

diff --git a/drm/libdrmframework/plugins/common/Android.mk b/drm/libdrmframework/plugins/common/Android.mk
new file mode 100644
index 0000000..9ee7961
--- /dev/null
+++ b/drm/libdrmframework/plugins/common/Android.mk
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2010 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.
+#
+include $(call all-subdir-makefiles)
diff --git a/drm/libdrmframework/plugins/common/util/Android.mk b/drm/libdrmframework/plugins/common/util/Android.mk
new file mode 100644
index 0000000..15dda80
--- /dev/null
+++ b/drm/libdrmframework/plugins/common/util/Android.mk
@@ -0,0 +1,52 @@
+#
+# Copyright (C) 2010 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.
+#
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+    src/MimeTypeUtil.cpp
+
+LOCAL_MODULE := libdrmutility
+
+LOCAL_SHARED_LIBRARIES :=  \
+    libutils \
+    libdl \
+    libdvm \
+    libandroid_runtime \
+    libnativehelper \
+    liblog
+
+
+base := frameworks/base
+
+LOCAL_C_INCLUDES += \
+    $(JNI_H_INCLUDE) \
+    $(base)/include \
+    $(base)/include/drm \
+    $(base)/include/drm/plugins \
+    $(LOCAL_PATH)/include
+
+
+ifneq ($(TARGET_BUILD_VARIANT),user)
+LOCAL_C_INCLUDES += \
+    $(LOCAL_PATH)/tools
+
+endif
+
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_STATIC_LIBRARY)
diff --git a/drm/libdrmframework/plugins/common/util/include/MimeTypeUtil.h b/drm/libdrmframework/plugins/common/util/include/MimeTypeUtil.h
new file mode 100644
index 0000000..4d12a61
--- /dev/null
+++ b/drm/libdrmframework/plugins/common/util/include/MimeTypeUtil.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef __MIMETYPEUTIL_H__
+#define __MIMETYPEUTIL_H__
+
+#include <utils/String8.h>
+
+namespace android {
+
+class MimeTypeUtil {
+
+public:
+
+    MimeTypeUtil() {}
+
+    virtual ~MimeTypeUtil() {}
+
+/**
+ * May convert the mimetype if there is a well known
+ * replacement mimetype otherwise the original mimetype
+ * is returned.
+ *
+ * @param mimeType - mimetype in lower case to convert.
+ *
+ * @return mimetype or null.
+ */
+static String8 convertMimeType(String8& mimeType);
+
+};
+};
+
+#endif /* __MIMETYPEUTIL_H__ */
diff --git a/drm/libdrmframework/plugins/common/util/include/SessionMap.h b/drm/libdrmframework/plugins/common/util/include/SessionMap.h
new file mode 100644
index 0000000..3dff58c
--- /dev/null
+++ b/drm/libdrmframework/plugins/common/util/include/SessionMap.h
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef __SESSIONMAP_H__
+#define __SESSIONMAP_H__
+
+#include <utils/KeyedVector.h>
+
+namespace android {
+
+/**
+ * A wrapper template class for handling DRM Engine sessions.
+ */
+template <typename NODE>
+class SessionMap {
+
+public:
+    KeyedVector<int, NODE> map;
+
+    SessionMap() {}
+
+    virtual ~SessionMap() {
+        destroyMap();
+    }
+
+/**
+ * Adds a new value in the session map table. It expects memory to be allocated already
+ * for the session object
+ *
+ * @param key - key or Session ID
+ * @param value - session object to add
+ *
+ * @return boolean result of adding value. returns false if key is already exist.
+ */
+bool addValue(int key, NODE value) {
+    bool result = false;
+
+    if (!isCreated(key)) {
+        map.add(key, value);
+        result = true;
+    }
+
+    return result;
+}
+
+
+/**
+ * returns the session object by the key
+ *
+ * @param key - key or Session ID
+ *
+ * @return session object as per the key
+ */
+NODE getValue(int key) {
+    NODE value = NULL;
+
+    if (isCreated(key)) {
+        value = (NODE) map.valueFor(key);
+    }
+
+    return value;
+}
+
+/**
+ * returns the number of objects in the session map table
+ *
+ * @return count of number of session objects.
+ */
+int getSize() {
+    return map.size();
+}
+
+/**
+ * returns the session object by the index in the session map table
+ *
+ * @param index - index of the value required
+ *
+ * @return session object as per the index
+ */
+NODE getValueAt(unsigned int index) {
+    NODE value = NULL;
+
+    if (map.size() > index) {
+      value = map.valueAt(index);
+    }
+
+    return value;
+}
+
+/**
+ * deletes the object from session map. It also frees up memory for the session object.
+ *
+ * @param key - key of the value to be deleted
+ *
+ */
+void removeValue(int key) {
+    deleteValue(getValue(key));
+    map.removeItem(key);
+}
+
+/**
+ * decides if session is already created.
+ *
+ * @param key - key of the value for the session
+ *
+ * @return boolean result of whether session is created
+ */
+bool isCreated(int key) {
+    return (0 <= map.indexOfKey(key));
+}
+
+/**
+ * empty the entire session table. It releases all the memory for session objects.
+ */
+void destroyMap() {
+    int size = map.size();
+    int i = 0;
+
+    for (i = 0; i < size; i++) {
+        deleteValue(map.valueAt(i));
+    }
+
+    map.clear();
+}
+
+/**
+ * free up the memory for the session object.
+ * Make sure if any reference to the session object anywhere, otherwise it will be a
+ * dangle pointer after this call.
+ *
+ * @param value - session object to free
+ *
+ */
+void deleteValue(NODE value) {
+    delete value;
+}
+
+};
+
+};
+
+#endif /* __SESSIONMAP_H__ */
diff --git a/drm/libdrmframework/plugins/common/util/src/MimeTypeUtil.cpp b/drm/libdrmframework/plugins/common/util/src/MimeTypeUtil.cpp
new file mode 100644
index 0000000..4ee903e
--- /dev/null
+++ b/drm/libdrmframework/plugins/common/util/src/MimeTypeUtil.cpp
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#include <MimeTypeUtil.h>
+#include <utils/Log.h>
+
+namespace android {
+
+#undef LOG_TAG
+#define LOG_TAG "MimeTypeUtil"
+
+enum {
+    MIMETYPE_AUDIO       = 0,
+    MIMETYPE_APPLICATION = 1,
+    MIMETYPE_IMAGE       = 2,
+    MIMETYPE_VIDEO       = 3,
+    MIMETYPE_LAST        = -1,
+};
+
+struct MimeGroup{
+    int         type;     // Audio, video,.. use the enum values
+    const char* pGroup;   // "audio/", "video/",.. should contain the last "/"
+    int         size;     // Number of bytes. e.g. "audio/" = 6 bytes
+};
+
+struct MimeTypeList{
+    int         type;
+    const char* pMimeExt;  // Everything after the '/' e.g. audio/x-mpeg -> "x-mpeg"
+    int         size;      // Number of bytes. e.g. "x-mpeg" = 6 bytes
+    const char* pMimeType; // Mimetype that should be returned
+};
+
+
+// Known mimetypes by android
+static const char mime_type_audio_mpeg[]  = "audio/mpeg";
+static const char mime_type_audio_3gpp[]  = "audio/3gpp";
+static const char mime_type_audio_amr[]   = "audio/amr-wb";
+static const char mime_type_audio_aac[]   = "audio/mp4a-latm";
+static const char mime_type_audio_wav[]   = "audio/wav";
+
+static const char mime_type_video_mpeg4[] = "video/mpeg4";
+static const char mime_type_video_3gpp[]  = "video/3gpp";
+
+// Known mimetype groups
+static const char mime_group_audio[]       = "audio/";
+static const char mime_group_application[] = "application/";
+static const char mime_group_image[]       = "image/";
+static const char mime_group_video[]       = "video/";
+
+static struct MimeGroup mimeGroup[] = {
+    {MIMETYPE_AUDIO,       mime_group_audio,        sizeof(mime_group_audio)-1},
+    {MIMETYPE_APPLICATION, mime_group_application,  sizeof(mime_group_application)-1},
+    {MIMETYPE_IMAGE,       mime_group_image,        sizeof(mime_group_image)-1},
+    {MIMETYPE_VIDEO,       mime_group_video,        sizeof(mime_group_video)-1},
+    {MIMETYPE_LAST,        NULL,                    0} // Must be last entry
+};
+
+// List of all mimetypes that should be converted.
+static struct MimeTypeList mimeTypeList[] = {
+    // Mp3 mime types
+    {MIMETYPE_AUDIO, "mp3",          sizeof("mp3")-1,         mime_type_audio_mpeg},
+    {MIMETYPE_AUDIO, "x-mpeg",       sizeof("x-mpeg")-1,      mime_type_audio_mpeg},
+    {MIMETYPE_AUDIO, "x-mp3",        sizeof("x-mp3")-1,       mime_type_audio_mpeg},
+    {MIMETYPE_AUDIO, "mpg",          sizeof("mpg")-1,         mime_type_audio_mpeg},
+    {MIMETYPE_AUDIO, "mpg3",         sizeof("mpg")-1,         mime_type_audio_mpeg},
+    {MIMETYPE_AUDIO, "x-mpg",        sizeof("x-mpg")-1,       mime_type_audio_mpeg},
+    {MIMETYPE_AUDIO, "x-mpegaudio",  sizeof("x-mpegaudio")-1, mime_type_audio_mpeg},
+
+    // 3gpp audio mime types
+    {MIMETYPE_AUDIO, "3gp",          sizeof("3gp")-1,         mime_type_audio_3gpp},
+
+    // Amr audio mime types
+    {MIMETYPE_AUDIO, "amr",          sizeof("amr")-1,         mime_type_audio_amr},
+
+    // Aac audio mime types
+    {MIMETYPE_AUDIO, "aac",          sizeof("aac")-1,         mime_type_audio_aac},
+
+    // Wav audio mime types
+    {MIMETYPE_AUDIO, "x-wav",        sizeof("x-wav")-1,       mime_type_audio_wav},
+
+    // Mpeg4 video mime types
+    {MIMETYPE_VIDEO, "mpg4",         sizeof("mpg4")-1,        mime_type_video_mpeg4},
+    {MIMETYPE_VIDEO, "mp4v-es",      sizeof("mp4v-es")-1,     mime_type_video_mpeg4},
+
+    // 3gpp video mime types
+    {MIMETYPE_VIDEO, "3gp",          sizeof("3gp")-1,         mime_type_video_3gpp},
+
+    // Must be last entry
+    {MIMETYPE_LAST,  NULL,           0,                       NULL}
+};
+
+/**
+ * May convert the mimetype if there is a well known
+ * replacement mimetype otherwise the original mimetype
+ * is returned.
+ *
+ * @param mimeType - mimetype in lower case to convert.
+ *
+ * @return mimetype or null.
+ */
+String8 MimeTypeUtil::convertMimeType(String8& mimeType) {
+    String8 result = mimeType;
+    const char* pTmp;
+    const char* pMimeType;
+    struct MimeGroup* pGroup;
+    struct MimeTypeList* pMimeItem;
+    int len;
+
+    pMimeType = mimeType.string();
+    if (NULL != pMimeType) {
+        /* Check which group the mimetype is */
+        pGroup = mimeGroup;
+
+        while (MIMETYPE_LAST != pGroup->type) {
+            if (0 == strncmp(pMimeType, pGroup->pGroup, pGroup->size)) {
+                break;
+            }
+            pGroup++;
+        }
+
+        /* Go through the mimetype list. Only check items of the correct group */
+        if (MIMETYPE_LAST != pGroup->type) {
+            pMimeItem = mimeTypeList;
+            len = strlen (pMimeType+pGroup->size);
+
+            while (MIMETYPE_LAST != pMimeItem->type) {
+                if ((len == pMimeItem->size) &&
+                    (0 == strcmp(pMimeType+pGroup->size, pMimeItem->pMimeExt))) {
+                    result = String8(pMimeItem->pMimeType);
+                    break;
+                }
+                pMimeItem++;
+            }
+        }
+        LOGI("convertMimeType got mimetype %s, converted into mimetype %s",
+             pMimeType, result.string());
+    }
+
+    return result;
+}
+};