Improve error handling for DRM errors reported by plugins (f7568b5e) · Commits · e / os / android_frameworks_base

media/jni/android_media_MediaDrm.cpp

+53 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,7 @@
		#include <media/IDrm.h>
		#include <media/IMediaPlayerService.h>
		#include <media/stagefright/foundation/ADebug.h>
		#include <media/stagefright/MediaErrors.h>

		namespace android {

		@@ -191,10 +192,62 @@ void JNIDrmListener::notify(DrmPlugin::EventType eventType, int extra,
		static bool throwExceptionAsNecessary(
		JNIEnv env, status_t err, const char msg = NULL) {

		const char *drmMessage = NULL;

		switch(err) {
		case ERROR_DRM_UNKNOWN:
		drmMessage = "General DRM error";
		break;
		case ERROR_DRM_NO_LICENSE:
		drmMessage = "No license";
		break;
		case ERROR_DRM_LICENSE_EXPIRED:
		drmMessage = "License expired";
		break;
		case ERROR_DRM_SESSION_NOT_OPENED:
		drmMessage = "Session not opened";
		break;
		case ERROR_DRM_DECRYPT_UNIT_NOT_INITIALIZED:
		drmMessage = "Not initialized";
		break;
		case ERROR_DRM_DECRYPT:
		drmMessage = "Decrypt error";
		break;
		case ERROR_DRM_CANNOT_HANDLE:
		drmMessage = "Unsupported scheme or data format";
		break;
		case ERROR_DRM_TAMPER_DETECTED:
		drmMessage = "Invalid state";
		break;
		case ERROR_DRM_NOT_PROVISIONED:
		drmMessage = "Not provisioned";
		break;
		case ERROR_DRM_DEVICE_REVOKED:
		drmMessage = "Device revoked";
		break;
		default:
		break;
		}

		String8 vendorMessage;
		if (err >= ERROR_DRM_VENDOR_MIN && err <= ERROR_DRM_VENDOR_MAX) {
		vendorMessage.format("DRM vendor-defined error: %d", err);
		drmMessage = vendorMessage.string();
		}

		if (err == BAD_VALUE) {
		jniThrowException(env, "java/lang/IllegalArgumentException", msg);
		return true;
		} else if (err != OK) {
		String8 errbuf;
		if (drmMessage != NULL) {
		if (msg == NULL) {
		msg = drmMessage;
		} else {
		errbuf.format("%s: %s", msg, drmMessage);
		msg = errbuf.string();
		}
		}
		jniThrowException(env, "java/lang/IllegalStateException", msg);
		return true;
		}