85 #define HR(x) case x: return (char *) # x;  in ff_hr_str_buf()  macro
87     HR(S_OK)  in ff_hr_str_buf()
88     HR(E_UNEXPECTED)  in ff_hr_str_buf()
89     HR(MF_E_INVALIDMEDIATYPE)  in ff_hr_str_buf()
90     HR(MF_E_INVALIDSTREAMNUMBER)  in ff_hr_str_buf()
91     HR(MF_E_INVALIDTYPE)  in ff_hr_str_buf()
92     HR(MF_E_TRANSFORM_CANNOT_CHANGE_MEDIATYPE_WHILE_PROCESSING)  in ff_hr_str_buf()
93     HR(MF_E_TRANSFORM_TYPE_NOT_SET)  in ff_hr_str_buf()
94     HR(MF_E_UNSUPPORTED_D3D_TYPE)  in ff_hr_str_buf()
95     HR(MF_E_TRANSFORM_NEED_MORE_INPUT)  in ff_hr_str_buf()
96     HR(MF_E_TRANSFORM_STREAM_CHANGE)  in ff_hr_str_buf()
97     HR(MF_E_NOTACCEPTING)  in ff_hr_str_buf()
98     HR(MF_E_NO_SAMPLE_TIMESTAMP)  in ff_hr_str_buf()
99     HR(MF_E_NO_SAMPLE_DURATION)  in ff_hr_str_buf()
100 #undef HR  in ff_hr_str_buf()