58     uint8_t num_channels;  member
66     int num_channels;  member
84 static void write_wav_header(FILE * wav_file,  int total_num_samples, int num_channels, int sample_…  in write_wav_header()  argument
89 … uint32_t data_bytes = (uint32_t) (write_with_bytes_per_sample * total_num_samples * num_channels);  in write_wav_header()
93     int byte_rate = sample_rate * num_channels * write_with_bytes_per_sample;  in write_wav_header()
95     int block_align = num_channels * bits_per_sample;  in write_wav_header()
103     little_endian_fstore_16(wav_file, num_channels);  in write_wav_header()
114 int wav_writer_open(const char * filepath, int num_channels, int sampling_frequency){  in wav_writer_open()  argument
121     wav_writer_state.num_channels = num_channels;  in wav_writer_open()
123     write_wav_header(wav_writer_state.wav_file, 0, num_channels, sampling_frequency);  in wav_writer_open()
131         wav_writer_state.num_channels, wav_writer_state.sampling_frequency);  in wav_writer_close()
198     wav_reader_state.num_channels  = (uint8_t) little_endian_read_16(buf, 22);  in wav_reader_open()
199     if ((wav_reader_state.num_channels < 1) || (wav_reader_state.num_channels > 2)) {  in wav_reader_open()
200         log_error("Unexpected num channels %d", wav_reader_state.num_channels);  in wav_reader_open()
207     wav_reader_bytes_per_sample = block_align / wav_reader_state.num_channels;  in wav_reader_open()
216     return wav_reader_state.num_channels;  in wav_reader_get_num_channels()