X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Ferror.h;h=3dfd8807fefff1941996b92a0a0dacdabd1f496b;hb=e036bb7899d0faca9159206be9bf5552e76e7633;hp=5eb2ef29dfda7fa1f9c8db2cd6fdc31bfc968207;hpb=b748b9d69b9d70992f92421b407fb30bc2dafcfe;p=ffmpeg

diff --git a/libavutil/error.h b/libavutil/error.h
index 5eb2ef29dfd..3dfd8807fef 100644
--- a/libavutil/error.h
+++ b/libavutil/error.h
@@ -1,23 +1,23 @@
 /*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * 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.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file libavutil/error.h
+ * @file
  * error code definitions
  */
 
@@ -25,36 +25,59 @@
 #define AVUTIL_ERROR_H
 
 #include <errno.h>
+#include <stddef.h>
 #include "avutil.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. */
+#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
 
-#if LIBAVUTIL_VERSION_MAJOR < 51
-#define AVERROR_INVALIDDATA AVERROR(EINVAL)  /**< Invalid data found when processing input */
-#define AVERROR_IO          AVERROR(EIO)     /**< I/O error */
-#define AVERROR_NOENT       AVERROR(ENOENT)  /**< No such file or directory */
-#define AVERROR_NOFMT       AVERROR(EILSEQ)  /**< Unknown format */
-#define AVERROR_NOMEM       AVERROR(ENOMEM)  /**< Not enough memory */
-#define AVERROR_NUMEXPECTED AVERROR(EDOM)    /**< Number syntax expected in filename */
-#define AVERROR_UNKNOWN     AVERROR(EINVAL)  /**< Unknown error */
-#endif
-
-#define AVERROR_EOF         AVERROR(EPIPE)   /**< End of file */
-#define AVERROR_NOTSUPP     AVERROR(ENOSYS)  /**< Operation not supported */
+#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_PATCHWELCOME    (-MKTAG('P','A','W','E')) /**< Not yet implemented in FFmpeg, patches welcome */
+/**
+ * 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);
 
-#if LIBAVUTIL_VERSION_MAJOR > 50
-#define AVERROR_INVALIDDATA     (-MKTAG('I','N','D','A')) /**< Invalid data found when processing input */
-#define AVERROR_NUMEXPECTED     (-MKTAG('N','U','E','X')) /**< Number syntax expected in filename */
-#endif
+/**
+ * @}
+ */
 
 #endif /* AVUTIL_ERROR_H */