50 MidiIoWrapper::MidiIoWrapper(int fd, off64_t offset, int64_t size) {  in MidiIoWrapper()  argument
53     mBase = offset;  in MidiIoWrapper()
74     virtual ssize_t readAt(off64_t offset, void *data, size_t size) {  in readAt()  argument
75         return mSource->readAt(mSource->handle, offset, data, size);  in readAt()
128 int MidiIoWrapper::readAt(void *buffer, int offset, int size) {  in readAt()  argument
129     ALOGV("readAt(%p, %d, %d)", buffer, offset, size);  in readAt()
131     if (offset < 0) {  in readAt()
135     if (offset + size > mLength) {  in readAt()
136         size = mLength - offset;  in readAt()
155         if (mCacheBufRangeLength > 0 && mCacheBufRangeLength >= (offset + size)) {  in readAt()
157             memcpy(buffer, (void*)(mCacheBuffer + offset), size);  in readAt()
161             int64_t beyondCacheBufRangeLength = (offset + size) - mCacheBufRangeLength;  in readAt()
171                 if (offset >= mCacheBufRangeLength) {  in readAt()
173                 } else if (offset + size >= mCacheBufRangeLength) {  in readAt()
174                     memcpy(buffer, (void*)(mCacheBuffer + offset), mCacheBufRangeLength - offset);  in readAt()
175                     return mCacheBufRangeLength - offset;  in readAt()
177                     memcpy(buffer, (void*)(mCacheBuffer + offset), size);  in readAt()
185         return unbufferedReadAt(buffer, offset, size);  in readAt()
189 int MidiIoWrapper::unbufferedReadAt(void *buffer, int offset, int size) {  in unbufferedReadAt()  argument
190     ALOGV("unbufferedReadAt(%p, %d, %d)", buffer, offset, size);  in unbufferedReadAt()
192         return mDataSource->readAt(offset, buffer, size);  in unbufferedReadAt()
198     lseek(mFd, mBase + offset, SEEK_SET);  in unbufferedReadAt()
199     if (offset + size > mLength) {  in unbufferedReadAt()
200         size = mLength - offset;  in unbufferedReadAt()