/**
* Add a key for a session Id.
*
* @param sessionId Crypto session Id.
* @param key Response data from the server.
*/
@CalledByNative
private void addKey(String sessionId, byte[] key) {
if (mSessionId == null || !mSessionId.equals(sessionId)) {
return;
}
try {
final byte[] session = sessionId.getBytes("UTF-8");
try {
mMediaDrm.provideKeyResponse(session, key);
} catch (java.lang.IllegalStateException e) {
// This is not really an exception. Some error code are incorrectly
// reported as an exception.
// TODO(qinmin): remove this exception catch when b/10495563 is fixed.
Log.e(
TAG,
"Exception intentionally caught when calling provideKeyResponse() " + e.toString());
}
mHandler.post(
new Runnable() {
public void run() {
nativeOnKeyAdded(mNativeMediaDrmBridge, mSessionId);
}
});
return;
} catch (android.media.NotProvisionedException e) {
Log.e(TAG, "failed to provide key response " + e.toString());
} catch (android.media.DeniedByServerException e) {
Log.e(TAG, "failed to provide key response " + e.toString());
} catch (java.io.UnsupportedEncodingException e) {
Log.e(TAG, "failed to provide key response " + e.toString());
}
onKeyError();
}
/**
* Open a new session and return the sessionId.
*
* @return ID of the session.
*/
private String openSession() {
String session = null;
try {
final byte[] sessionId = mMediaDrm.openSession();
session = new String(sessionId, "UTF-8");
} catch (android.media.NotProvisionedException e) {
Log.e(TAG, "Cannot open a new session " + e.toString());
} catch (java.io.UnsupportedEncodingException e) {
Log.e(TAG, "Cannot open a new session " + e.toString());
}
return session;
}
/**
* Generate a key request and post an asynchronous task to the native side with the response
* message.
*
* @param initData Data needed to generate the key request.
* @param mime Mime type.
*/
@CalledByNative
private void generateKeyRequest(byte[] initData, String mime) {
Log.d(TAG, "generateKeyRequest().");
if (mMimeType == null) {
mMimeType = mime;
} else if (!mMimeType.equals(mime)) {
onKeyError();
return;
}
if (mSessionId == null) {
mSessionId = openSession();
if (mSessionId == null) {
if (mPendingInitData != null) {
Log.e(TAG, "generateKeyRequest is called when another call is pending.");
onKeyError();
return;
}
// We assume some event will be fired if openSession() failed.
// generateKeyRequest() will be resumed after provisioning is finished.
// TODO(xhwang): Double check if this assumption is true. Otherwise we need
// to handle the exception in openSession more carefully.
mPendingInitData = initData;
return;
}
}
try {
final byte[] session = mSessionId.getBytes("UTF-8");
HashMap<String, String> optionalParameters = new HashMap<String, String>();
final MediaDrm.KeyRequest request =
mMediaDrm.getKeyRequest(
session, initData, mime, MediaDrm.KEY_TYPE_STREAMING, optionalParameters);
mHandler.post(
new Runnable() {
public void run() {
nativeOnKeyMessage(
mNativeMediaDrmBridge, mSessionId, request.getData(), request.getDefaultUrl());
}
});
return;
} catch (android.media.NotProvisionedException e) {
// MediaDrm.EVENT_PROVISION_REQUIRED is also fired in this case.
// Provisioning is handled in the handler of that event.
Log.e(TAG, "Cannot get key request " + e.toString());
return;
} catch (java.io.UnsupportedEncodingException e) {
Log.e(TAG, "Cannot get key request " + e.toString());
}
onKeyError();
}