diff options
Diffstat (limited to 'src/lib/ffmpeg')
| -rw-r--r-- | src/lib/ffmpeg/avutil.pas | 90 | ||||
| -rw-r--r-- | src/lib/ffmpeg/error.pas | 113 |
2 files changed, 114 insertions, 89 deletions
diff --git a/src/lib/ffmpeg/avutil.pas b/src/lib/ffmpeg/avutil.pas index 28669161..13f1fe33 100644 --- a/src/lib/ffmpeg/avutil.pas +++ b/src/lib/ffmpeg/avutil.pas @@ -158,95 +158,7 @@ type ); } -(* libavutil/error.h *) - -{$IF LIBAVUTIL_VERSION >= 50012000} // >= 50.12.0 - -{* error handling *} - -const -{$IFDEF UNIX} - ENOENT = ESysENOENT; - EIO = ESysEIO; - ENOMEM = ESysENOMEM; - EINVAL = ESysEINVAL; - EDOM = ESysEDOM; - ENOSYS = ESysENOSYS; - EILSEQ = ESysEILSEQ; - EPIPE = ESysEPIPE; -{$ELSE} - ENOENT = 2; - EIO = 5; - ENOMEM = 12; - EINVAL = 22; - EPIPE = 32; // just an assumption. needs to be checked. - EDOM = 33; - {$IFDEF MSWINDOWS} - // Note: we assume that ffmpeg was compiled with MinGW. - // This must be changed if DLLs were compiled with cygwin. - ENOSYS = 40; // MSVC/MINGW: 40, CYGWIN: 88, LINUX/FPC: 38 - EILSEQ = 42; // MSVC/MINGW: 42, CYGWIN: 138, LINUX/FPC: 84 - {$ENDIF} -{$ENDIF} - -(** - * We need the sign of of the error, because some platforms have - * E* and errno already negated. The previous version failed - * with Delphi, because it needs EINVAL defined. - * Warning: This code is platform dependent and assumes constants - * to be 32 bit. - * This version does the following steps: - * 1) shr 30: shifts the sign bit to bit position 2 - * 2) and $00000002: sets all other bits to zero - * positive EINVAL gives 0, negative gives 2 - * 3) - 1: positive EINVAL gives -1, negative 1 - *) -const - AVERROR_SIGN = (EINVAL shr 30) and $00000002 - 1; - -(* -#if EINVAL > 0 -#define AVERROR(e) (-(e)) {**< Returns a negative error code from a POSIX error code, to return from library functions. *} -#define AVUNERROR(e) (-(e)) {**< Returns a POSIX error code from a library function error return value. *} -#else -{* Some platforms have E* and errno already negated. *} -#define AVERROR(e) (e) -#define AVUNERROR(e) (e) -#endif -*) - -const - AVERROR_UNKNOWN = AVERROR_SIGN * EINVAL; (**< unknown error *) - AVERROR_IO = AVERROR_SIGN * EIO; (**< I/O error *) - AVERROR_NUMEXPECTED = AVERROR_SIGN * EDOM; (**< Number syntax expected in filename. *) - AVERROR_INVALIDDATA = AVERROR_SIGN * EINVAL; (**< invalid data found *) - AVERROR_NOMEM = AVERROR_SIGN * ENOMEM; (**< not enough memory *) - AVERROR_NOFMT = AVERROR_SIGN * EILSEQ; (**< unknown format *) - AVERROR_NOTSUPP = AVERROR_SIGN * ENOSYS; (**< Operation not supported. *) - AVERROR_NOENT = AVERROR_SIGN * ENOENT; (**< No such file or directory. *) -{$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} +{$INCLUDE error.pas} (* libavutil/pixfmt.h *) diff --git a/src/lib/ffmpeg/error.pas b/src/lib/ffmpeg/error.pas new file mode 100644 index 00000000..56671c8c --- /dev/null +++ b/src/lib/ffmpeg/error.pas @@ -0,0 +1,113 @@ +(* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * This is a part of the Pascal port of ffmpeg. + * - Changes and updates by the UltraStar Deluxe Team + * + * Conversion of libavutil/error.h + * Max. avutil version: 50.15.2, revision 23059, Tue May 11 18:30 2010 CET + * + *) + +{$IF LIBAVUTIL_VERSION >= 50012000} // >= 50.12.0 + +{* error handling *} + +const +{$IFDEF UNIX} + ENOENT = ESysENOENT; + EIO = ESysEIO; + ENOMEM = ESysENOMEM; + EINVAL = ESysEINVAL; + EDOM = ESysEDOM; + ENOSYS = ESysENOSYS; + EILSEQ = ESysEILSEQ; + EPIPE = ESysEPIPE; +{$ELSE} + ENOENT = 2; + EIO = 5; + ENOMEM = 12; + EINVAL = 22; + EPIPE = 32; // just an assumption. needs to be checked. + EDOM = 33; + {$IFDEF MSWINDOWS} + // Note: we assume that ffmpeg was compiled with MinGW. + // This must be changed if DLLs were compiled with cygwin. + ENOSYS = 40; // MSVC/MINGW: 40, CYGWIN: 88, LINUX/FPC: 38 + EILSEQ = 42; // MSVC/MINGW: 42, CYGWIN: 138, LINUX/FPC: 84 + {$ENDIF} +{$ENDIF} + +(** + * We need the sign of the error, because some platforms have + * E* and errno already negated. The previous version failed + * with Delphi, because it needs EINVAL defined. + * Warning: This code is platform dependent and assumes constants + * to be 32 bit. + * This version does the following steps: + * 1) shr 30: shifts the sign bit to bit position 2 + * 2) and $00000002: sets all other bits to zero + * positive EINVAL gives 0, negative gives 2 + * 3) not: inverts all bits. This gives -1 and -3 + * 3) - 1: positive EINVAL gives -1, negative 1 + *) +const + AVERROR_SIGN = (EINVAL shr 30) and $00000002 - 1; + +(* +#if EINVAL > 0 +#define AVERROR(e) (-(e)) {**< Returns a negative error code from a POSIX error code, to return from library functions. *} +#define AVUNERROR(e) (-(e)) {**< Returns a POSIX error code from a library function error return value. *} +#else +{* Some platforms have E* and errno already negated. *} +#define AVERROR(e) (e) +#define AVUNERROR(e) (e) +#endif +*) + +const + AVERROR_UNKNOWN = AVERROR_SIGN * EINVAL; (**< unknown error *) + AVERROR_IO = AVERROR_SIGN * EIO; (**< I/O error *) + AVERROR_NUMEXPECTED = AVERROR_SIGN * EDOM; (**< Number syntax expected in filename. *) + AVERROR_INVALIDDATA = AVERROR_SIGN * EINVAL; (**< invalid data found *) + AVERROR_NOMEM = AVERROR_SIGN * ENOMEM; (**< not enough memory *) + AVERROR_NOFMT = AVERROR_SIGN * EILSEQ; (**< unknown format *) + AVERROR_NOTSUPP = AVERROR_SIGN * ENOSYS; (**< Operation not supported. *) + AVERROR_NOENT = AVERROR_SIGN * ENOENT; (**< No such file or directory. *) +{$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} |