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-rw-r--r--src/lib/ffmpeg/avcodec.pas17
-rw-r--r--src/lib/ffmpeg/avutil.pas55
2 files changed, 55 insertions, 17 deletions
diff --git a/src/lib/ffmpeg/avcodec.pas b/src/lib/ffmpeg/avcodec.pas
index 4fa8f208..7a78f06d 100644
--- a/src/lib/ffmpeg/avcodec.pas
+++ b/src/lib/ffmpeg/avcodec.pas
@@ -4724,23 +4724,6 @@ const
AVERROR_PATCHWELCOME = -(ord('P') or (ord('A') shl 8) or (ord('W') shl 16) or (ord('E') shl 24));
{$IFEND}
-(*
- * Puts a description of the AVERROR code errnum in errbuf.
- * In case of failure the global variable errno is set to indicate the
- * error. Even in case of failure av_strerror() will print a generic
- * error message indicating the errnum provided to errbuf.
- *
- * @param errbuf_size the size in bytes of errbuf
- * @return 0 on success, a negative value if a description for errnum
- * cannot be found
- *)
-
-function av_strerror(errnum: cint; errbuf: Pchar; errbuf_size: cint): cint;
- cdecl; external av__util;
-
-{$IF LIBAVUTIL_VERSION >= 50013000} // avutil!!! 50.13.0
-{$IFEND}
-
{$IF LIBAVCODEC_VERSION >= 52032000} // >= 52.32.0
(**
* Logs a generic warning message about a missing feature. This function is
diff --git a/src/lib/ffmpeg/avutil.pas b/src/lib/ffmpeg/avutil.pas
index a1586def..dc7b647b 100644
--- a/src/lib/ffmpeg/avutil.pas
+++ b/src/lib/ffmpeg/avutil.pas
@@ -151,6 +151,61 @@ type
);
{$IFEND}
+(* libavutil/error.h *)
+
+{$IF LIBAVUTIL_VERSION >= 50012000} // >= 50.12.0
+const
+{$IF EINVAL > 0}
+ AVERROR_SIGN = -1;
+{$ELSE}
+ {* Some platforms have E* and errno already negated. *}
+ AVERROR_SIGN = 1;
+{$IFEND}
+
+(*
+#if EINVAL > 0
+#define AVERROR(e) (-(e)) {**< Returns a negative error code from a POSIX error code, to return from library functions. *}
+#define AVUNERROR(e) (-(e)) {**< Returns a POSIX error code from a library function error return value. *}
+#else
+{* Some platforms have E* and errno already negated. *}
+#define AVERROR(e) (e)
+#define AVUNERROR(e) (e)
+#endif
+*)
+
+const
+ AVERROR_UNKNOWN = AVERROR_SIGN * EINVAL; (**< unknown error *)
+ AVERROR_IO = AVERROR_SIGN * EIO; (**< I/O error *)
+ AVERROR_NUMEXPECTED = AVERROR_SIGN * EDOM; (**< Number syntax expected in filename. *)
+ AVERROR_INVALIDDATA = AVERROR_SIGN * EINVAL; (**< invalid data found *)
+ AVERROR_NOMEM = AVERROR_SIGN * ENOMEM; (**< not enough memory *)
+ AVERROR_NOFMT = AVERROR_SIGN * EILSEQ; (**< unknown format *)
+ AVERROR_NOTSUPP = AVERROR_SIGN * ENOSYS; (**< Operation not supported. *)
+ AVERROR_NOENT = AVERROR_SIGN * ENOENT; (**< No such file or directory. *)
+{$IF LIBAVCODEC_VERSION >= 52017000} // 52.17.0
+ AVERROR_EOF = AVERROR_SIGN * EPIPE; (**< End of file. *)
+{$IFEND}
+ // Note: function calls as constant-initializers are invalid
+ //AVERROR_PATCHWELCOME = -MKTAG('P','A','W','E'); {**< Not yet implemented in FFmpeg. Patches welcome. *}
+ AVERROR_PATCHWELCOME = -(ord('P') or (ord('A') shl 8) or (ord('W') shl 16) or (ord('E') shl 24));
+{$IFEND}
+
+{$IF LIBAVUTIL_VERSION >= 50013000} // >= 50.13.0
+(*
+ * Puts a description of the AVERROR code errnum in errbuf.
+ * In case of failure the global variable errno is set to indicate the
+ * error. Even in case of failure av_strerror() will print a generic
+ * error message indicating the errnum provided to errbuf.
+ *
+ * @param errbuf_size the size in bytes of errbuf
+ * @return 0 on success, a negative value if a description for errnum
+ * cannot be found
+ *)
+
+function av_strerror(errnum: cint; errbuf: Pchar; errbuf_size: cint): cint;
+ cdecl; external av__util;
+{$IFEND}
+
(* libavutil/pixfmt.h *)
type