Cache the file size in favour of extraneous seek requests. (4ee31e26) · Commits · e / os / android_frameworks_av

media/libstagefright/FileSource.cpp

+5 −7

Original line number	Diff line number	Diff line
		@@ -35,6 +35,10 @@ FileSource::FileSource(const char *filename)
		mDrmBuf(NULL){

		mFd = open(filename, O_LARGEFILE \| O_RDONLY);

		if (mFd >= 0) {
		mLength = lseek64(mFd, 0, SEEK_END);
		}
		}

		FileSource::FileSource(int fd, int64_t offset, int64_t length)
		@@ -116,17 +120,11 @@ status_t FileSource::getSize(off64_t *size) {
		return NO_INIT;
		}

		if (mLength >= 0) {
		*size = mLength;

		return OK;
		}

		*size = lseek64(mFd, 0, SEEK_END);

		return OK;
		}

		sp<DecryptHandle> FileSource::DrmInitialization(const char *mime) {
		if (mDrmManagerClient == NULL) {
		mDrmManagerClient = new DrmManagerClient();