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Diffstat (limited to 'dom/media/platforms/ffmpeg/ffmpeg60/include/libavutil/error.h')
| -rw-r--r-- | dom/media/platforms/ffmpeg/ffmpeg60/include/libavutil/error.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/dom/media/platforms/ffmpeg/ffmpeg60/include/libavutil/error.h b/dom/media/platforms/ffmpeg/ffmpeg60/include/libavutil/error.h new file mode 100644 index 0000000000..74af5b1534 --- /dev/null +++ b/dom/media/platforms/ffmpeg/ffmpeg60/include/libavutil/error.h @@ -0,0 +1,158 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; 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> + +#include "macros.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 FFERRTAG(a, b, c, d) (-(int)MKTAG(a, b, c, d)) + +#define AVERROR_BSF_NOT_FOUND \ + FFERRTAG(0xF8, 'B', 'S', 'F') ///< Bitstream filter not found +#define AVERROR_BUG \ + FFERRTAG('B', 'U', 'G', '!') ///< Internal bug, also see AVERROR_BUG2 +#define AVERROR_BUFFER_TOO_SMALL \ + FFERRTAG('B', 'U', 'F', 'S') ///< Buffer too small +#define AVERROR_DECODER_NOT_FOUND \ + FFERRTAG(0xF8, 'D', 'E', 'C') ///< Decoder not found +#define AVERROR_DEMUXER_NOT_FOUND \ + FFERRTAG(0xF8, 'D', 'E', 'M') ///< Demuxer not found +#define AVERROR_ENCODER_NOT_FOUND \ + FFERRTAG(0xF8, 'E', 'N', 'C') ///< Encoder not found +#define AVERROR_EOF FFERRTAG('E', 'O', 'F', ' ') ///< End of file +#define AVERROR_EXIT \ + FFERRTAG('E', 'X', 'I', 'T') ///< Immediate exit was requested; the called + ///< function should not be restarted +#define AVERROR_EXTERNAL \ + FFERRTAG('E', 'X', 'T', ' ') ///< Generic error in an external library +#define AVERROR_FILTER_NOT_FOUND \ + FFERRTAG(0xF8, 'F', 'I', 'L') ///< Filter not found +#define AVERROR_INVALIDDATA \ + FFERRTAG('I', 'N', 'D', 'A') ///< Invalid data found when processing input +#define AVERROR_MUXER_NOT_FOUND \ + FFERRTAG(0xF8, 'M', 'U', 'X') ///< Muxer not found +#define AVERROR_OPTION_NOT_FOUND \ + FFERRTAG(0xF8, 'O', 'P', 'T') ///< Option not found +#define AVERROR_PATCHWELCOME \ + FFERRTAG('P', 'A', 'W', \ + 'E') ///< Not yet implemented in FFmpeg, patches welcome +#define AVERROR_PROTOCOL_NOT_FOUND \ + FFERRTAG(0xF8, 'P', 'R', 'O') ///< Protocol not found + +#define AVERROR_STREAM_NOT_FOUND \ + FFERRTAG(0xF8, 'S', 'T', 'R') ///< Stream not found +/** + * This is semantically identical to AVERROR_BUG + * it has been introduced in Libav after our AVERROR_BUG and with a modified + * value. + */ +#define AVERROR_BUG2 FFERRTAG('B', 'U', 'G', ' ') +#define AVERROR_UNKNOWN \ + FFERRTAG('U', 'N', 'K', \ + 'N') ///< 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) +/* HTTP & RTSP errors */ +#define AVERROR_HTTP_BAD_REQUEST FFERRTAG(0xF8, '4', '0', '0') +#define AVERROR_HTTP_UNAUTHORIZED FFERRTAG(0xF8, '4', '0', '1') +#define AVERROR_HTTP_FORBIDDEN FFERRTAG(0xF8, '4', '0', '3') +#define AVERROR_HTTP_NOT_FOUND FFERRTAG(0xF8, '4', '0', '4') +#define AVERROR_HTTP_OTHER_4XX FFERRTAG(0xF8, '4', 'X', 'X') +#define AVERROR_HTTP_SERVER_ERROR FFERRTAG(0xF8, '5', 'X', 'X') + +#define AV_ERROR_MAX_STRING_SIZE 64 + +/** + * 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); + +/** + * Fill the provided buffer with a string containing an error string + * corresponding to the AVERROR code errnum. + * + * @param errbuf a buffer + * @param errbuf_size size in bytes of errbuf + * @param errnum error code to describe + * @return the buffer in input, filled with the error description + * @see av_strerror() + */ +static inline char* av_make_error_string(char* errbuf, size_t errbuf_size, + int errnum) { + av_strerror(errnum, errbuf, errbuf_size); + return errbuf; +} + +/** + * Convenience macro, the return value should be used only directly in + * function arguments but never stand-alone. + */ +#define av_err2str(errnum) \ + av_make_error_string((char[AV_ERROR_MAX_STRING_SIZE]){0}, \ + AV_ERROR_MAX_STRING_SIZE, errnum) + +/** + * @} + */ + +#endif /* AVUTIL_ERROR_H */ |