| /* |
| * This file is part of Libav. |
| * |
| * Libav is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * Libav is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with Libav; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * error code definitions |
| */ |
| |
| #ifndef AVUTIL_ERROR_H |
| #define AVUTIL_ERROR_H |
| |
| #include <errno.h> |
| #include <stddef.h> |
| |
| /** |
| * @addtogroup lavu_error |
| * |
| * @{ |
| */ |
| |
| |
| /* error handling */ |
| #if EDOM > 0 |
| #define AVERROR(e) (-(e)) ///< Returns a negative error code from a POSIX error code, to return from library functions. |
| #define AVUNERROR(e) (-(e)) ///< Returns a POSIX error code from a library function error return value. |
| #else |
| /* Some platforms have E* and errno already negated. */ |
| #define AVERROR(e) (e) |
| #define AVUNERROR(e) (e) |
| #endif |
| |
| #define AVERROR_BSF_NOT_FOUND (-0x39acbd08) ///< Bitstream filter not found |
| #define AVERROR_DECODER_NOT_FOUND (-0x3cbabb08) ///< Decoder not found |
| #define AVERROR_DEMUXER_NOT_FOUND (-0x32babb08) ///< Demuxer not found |
| #define AVERROR_ENCODER_NOT_FOUND (-0x3cb1ba08) ///< Encoder not found |
| #define AVERROR_EOF (-0x5fb9b0bb) ///< End of file |
| #define AVERROR_EXIT (-0x2bb6a7bb) ///< Immediate exit was requested; the called function should not be restarted |
| #define AVERROR_FILTER_NOT_FOUND (-0x33b6b908) ///< Filter not found |
| #define AVERROR_INVALIDDATA (-0x3ebbb1b7) ///< Invalid data found when processing input |
| #define AVERROR_MUXER_NOT_FOUND (-0x27aab208) ///< Muxer not found |
| #define AVERROR_OPTION_NOT_FOUND (-0x2bafb008) ///< Option not found |
| #define AVERROR_PATCHWELCOME (-0x3aa8beb0) ///< Not yet implemented in Libav, patches welcome |
| #define AVERROR_PROTOCOL_NOT_FOUND (-0x30adaf08) ///< Protocol not found |
| #define AVERROR_STREAM_NOT_FOUND (-0x2dabac08) ///< Stream not found |
| #define AVERROR_BUG (-0x5fb8aabe) ///< Bug detected, please report the issue |
| #define AVERROR_UNKNOWN (-0x31b4b1ab) ///< Unknown error, typically from an external library |
| #define AVERROR_EXPERIMENTAL (-0x2bb2afa8) ///< Requested feature is flagged experimental. Set strict_std_compliance if you really want to use it. |
| #define AVERROR_INPUT_CHANGED (-0x636e6701) ///< Input changed between calls. Reconfiguration is required. (can be OR-ed with AVERROR_OUTPUT_CHANGED) |
| #define AVERROR_OUTPUT_CHANGED (-0x636e6702) ///< Output changed between calls. Reconfiguration is required. (can be OR-ed with AVERROR_INPUT_CHANGED) |
| |
| /** |
| * Put a description of the AVERROR code errnum in errbuf. |
| * In case of failure the global variable errno is set to indicate the |
| * error. Even in case of failure av_strerror() will print a generic |
| * error message indicating the errnum provided to errbuf. |
| * |
| * @param errnum error code to describe |
| * @param errbuf buffer to which description is written |
| * @param errbuf_size the size in bytes of errbuf |
| * @return 0 on success, a negative value if a description for errnum |
| * cannot be found |
| */ |
| int av_strerror(int errnum, char *errbuf, size_t errbuf_size); |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* AVUTIL_ERROR_H */ |
