156                   size_t bytes_per_sample) {  in ByteRate()  argument
157   return static_cast<uint32_t>(num_channels * sample_rate * bytes_per_sample);  in ByteRate()
160 uint16_t BlockAlign(size_t num_channels, size_t bytes_per_sample) {  in BlockAlign()  argument
161   return static_cast<uint16_t>(num_channels * bytes_per_sample);  in BlockAlign()
205                        size_t bytes_per_sample,  in WritePcmWavHeader()  argument
213   const size_t bytes_in_payload = bytes_per_sample * num_samples;  in WritePcmWavHeader()
223   header.fmt.ByteRate = ByteRate(num_channels, sample_rate, bytes_per_sample);  in WritePcmWavHeader()
224   header.fmt.BlockAlign = BlockAlign(num_channels, bytes_per_sample);  in WritePcmWavHeader()
225   header.fmt.BitsPerSample = static_cast<uint16_t>(8 * bytes_per_sample);  in WritePcmWavHeader()
236                              size_t bytes_per_sample,  in WriteIeeeFloatWavHeader()  argument
244   const size_t bytes_in_payload = bytes_per_sample * num_samples;  in WriteIeeeFloatWavHeader()
255   header.fmt.ByteRate = ByteRate(num_channels, sample_rate, bytes_per_sample);  in WriteIeeeFloatWavHeader()
256   header.fmt.BlockAlign = BlockAlign(num_channels, bytes_per_sample);  in WriteIeeeFloatWavHeader()
257   header.fmt.BitsPerSample = static_cast<uint16_t>(8 * bytes_per_sample);  in WriteIeeeFloatWavHeader()
290                         size_t bytes_per_sample,  in CheckWavParameters()  argument
295   if (num_channels == 0 || sample_rate <= 0 || bytes_per_sample == 0)  in CheckWavParameters()
301   if (static_cast<uint64_t>(bytes_per_sample) * 8 >  in CheckWavParameters()
304   if (static_cast<uint64_t>(sample_rate) * num_channels * bytes_per_sample >  in CheckWavParameters()
312       if (bytes_per_sample != 1 && bytes_per_sample != 2)  in CheckWavParameters()
317       if (bytes_per_sample != 1)  in CheckWavParameters()
321       if (bytes_per_sample != 4)  in CheckWavParameters()
332       (std::numeric_limits<uint32_t>::max() - header_size) / bytes_per_sample;  in CheckWavParameters()
362   const size_t bytes_per_sample = GetFormatBytesPerSample(format);  in WriteWavHeader()  local
364                                bytes_per_sample, num_samples));  in WriteWavHeader()
366     WritePcmWavHeader(num_channels, sample_rate, bytes_per_sample, num_samples,  in WriteWavHeader()
370     WriteIeeeFloatWavHeader(num_channels, sample_rate, bytes_per_sample,  in WriteWavHeader()
379                    size_t* bytes_per_sample,  in ReadWavHeader()  argument
414   *bytes_per_sample = header.fmt.BitsPerSample / 8;  in ReadWavHeader()
416   if (*bytes_per_sample == 0)  in ReadWavHeader()
418   *num_samples = bytes_in_payload / *bytes_per_sample;  in ReadWavHeader()
427       ByteRate(*num_channels, *sample_rate, *bytes_per_sample))  in ReadWavHeader()
429   if (header.fmt.BlockAlign != BlockAlign(*num_channels, *bytes_per_sample))  in ReadWavHeader()
433                           *bytes_per_sample, *num_samples)) {  in ReadWavHeader()