47     LOG(LS_ERROR) << "Unable to open file " << filename << " err=" << err;  in Start()
59     LOG(LS_ERROR) << "File not opened yet";  in RecordFrame()
65     LOG(LS_ERROR) << "Unable to calculate the data size of the frame";  in RecordFrame()
88       LOG(LS_ERROR) << "Failed to write frame header";  in RecordFrame()
97     LOG(LS_ERROR) << "Failed to write frame data";  in RecordFrame()
183     LOG(LS_ERROR) << "The file video capturer is already running";  in Init()
189     LOG(LS_ERROR) << "Unable to open the file " << filename << " err=" << err;  in Init()
195     LOG(LS_ERROR) << "Failed to read the first frame header";  in Init()
201     LOG(LS_ERROR) << "Failed to seek back to beginning of the file";  in Init()
232     LOG(LS_ERROR) << "The file video capturer is already running";  in Start()
237     LOG(LS_ERROR) << "File not opened yet";  in Start()
240     LOG(LS_ERROR) << "Failed to seek back to beginning of the file";  in Start()
249     LOG(LS_INFO) << "File video capturer '" << GetId() << "' started";  in Start()
252     LOG(LS_ERROR) << "File video capturer '" << GetId() << "' failed to start";  in Start()
265     LOG(LS_INFO) << "File video capturer '" << GetId() << "' stopped";  in Stop()
292   LOG(LS_VERBOSE) << "Read frame header: stream_result = " << sr  in ReadFrameHeader()
327     LOG(LS_ERROR) << "File not opened yet";  in ReadFrame()
346     LOG(LS_ERROR) << "Failed to read the frame header";  in ReadFrame()
359     LOG(LS_ERROR) << "Failed to read frame data";  in ReadFrame()