42 enum class PcmFormat {  enum
95   int EncodeImpl(PcmFormat fmt, const T *pcm, int block_size, uint8_t *out) {  in EncodeImpl()
160     return EncodeImpl(PcmFormat::kS16, pcm, block_size, out);  in Encode()
164     return EncodeImpl(PcmFormat::kS24, pcm, block_size, out);  in Encode()
168     return EncodeImpl(PcmFormat::kF32, pcm, block_size, out);  in Encode()
171   int Encode(PcmFormat fmt, const void *pcm, int block_size, uint8_t *out) {  in Encode()
175       case PcmFormat::kS16:  in Encode()
180       case PcmFormat::kS24:  in Encode()
185       case PcmFormat::kS24In3Le:  in Encode()
189       case PcmFormat::kF32:  in Encode()
203   int DecodeImpl(const uint8_t *in, int block_size, PcmFormat fmt, T *pcm) {  in DecodeImpl()
269     return DecodeImpl(in, block_size, PcmFormat::kS16, pcm);  in Decode()
273     return DecodeImpl(in, block_size, PcmFormat::kS24In3Le, pcm);  in Decode()
277     return DecodeImpl(in, block_size, PcmFormat::kF32, pcm);  in Decode()
280   int Decode(const uint8_t *in, int block_size, PcmFormat fmt, void *pcm) {  in Decode()
284       case PcmFormat::kS16:  in Decode()
289       case PcmFormat::kS24:  in Decode()
294       case PcmFormat::kS24In3Le:  in Decode()
298       case PcmFormat::kF32:  in Decode()