1 // Copyright 2019 The libgav1 Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "src/gav1/status_code.h" 16 17 extern "C" { 18 Libgav1GetErrorString(Libgav1StatusCode status)19const char* Libgav1GetErrorString(Libgav1StatusCode status) { 20 switch (status) { 21 case kLibgav1StatusOk: 22 return "Success."; 23 case kLibgav1StatusUnknownError: 24 return "Unknown error."; 25 case kLibgav1StatusInvalidArgument: 26 return "Invalid function argument."; 27 case kLibgav1StatusOutOfMemory: 28 return "Memory allocation failure."; 29 case kLibgav1StatusResourceExhausted: 30 return "Ran out of a resource (other than memory)."; 31 case kLibgav1StatusNotInitialized: 32 return "The object is not initialized."; 33 case kLibgav1StatusAlready: 34 return "An operation that can only be performed once has already been " 35 "performed."; 36 case kLibgav1StatusUnimplemented: 37 return "Not implemented."; 38 case kLibgav1StatusInternalError: 39 return "Internal error in libgav1."; 40 case kLibgav1StatusBitstreamError: 41 return "The bitstream is not encoded correctly or violates a bitstream " 42 "conformance requirement."; 43 case kLibgav1StatusTryAgain: 44 return "The operation is not allowed at the moment. Try again later."; 45 case kLibgav1StatusNothingToDequeue: 46 return "There are no enqueued frames, so there is nothing to dequeue. " 47 "Try enqueuing a frame before trying to dequeue again."; 48 // This switch statement does not have a default case. This way the compiler 49 // will warn if we neglect to update this function after adding a new value 50 // to the Libgav1StatusCode enum type. 51 case kLibgav1StatusReservedForFutureExpansionUseDefaultInSwitchInstead_: 52 break; 53 } 54 return "Unrecognized status code."; 55 } 56 57 } // extern "C" 58