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Diffstat (limited to '')
-rw-r--r-- | src/lib/ffmpeg-0.9/libavutil/log.pas | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/lib/ffmpeg-0.9/libavutil/log.pas b/src/lib/ffmpeg-0.9/libavutil/log.pas new file mode 100644 index 00000000..b60d6731 --- /dev/null +++ b/src/lib/ffmpeg-0.9/libavutil/log.pas @@ -0,0 +1,203 @@ +(* + * 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/log.h + * avutil version 51.32.0 + * + *) + +(** + * @file + * log + *) + +type +(** + * Describe the class of an AVClass context structure. That is an + * arbitrary struct of which the first field is a pointer to an + * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.). + *) + PAVClass = ^TAVClass; + TAVClass = record + (** + * The name of the class; usually it is the same name as the + * context structure type to which the AVClass is associated. + *) + class_name: PAnsiChar; + + (** + * A pointer to a function which returns the name of a context + * instance ctx associated with the class. + *) + item_name: function(ctx: pointer): PAnsiChar; cdecl; + + (** + * a pointer to the first option specified in the class if any or NULL + * + * @see av_set_default_options() + *) + option: PAVOption; + + (** + * LIBAVUTIL_VERSION with which this structure was created. + * This is used to allow fields to be added without requiring major + * version bumps everywhere. + *) + version: cint; + + (** + * Offset in the structure where log_level_offset is stored. + * 0 means there is no such variable + *) + log_level_offset_offset: cint; + + (** + * Offset in the structure where a pointer to the parent context for loging is stored. + * for example a decoder that uses eval.c could pass its AVCodecContext to eval as such + * parent context. And a av_log() implementation could then display the parent context + * can be NULL of course + *) + parent_log_context_offset: cint; + + (** + * Return next AVOptions-enabled child or NULL + *) + child_next: function (obj: pointer; prev: pointer): pointer; cdecl; + + (** + * Return an AVClass corresponding to next potential + * AVOptions-enabled child. + * + * The difference between child_next and this is that + * child_next iterates over _already existing_ objects, while + * child_class_next iterates over _all possible_ children. + *) + child_class_next: function (prev: {const} PAVClass): {const} PAVClass; cdecl; + +end; + +const + AV_LOG_QUIET = -8; + +(** + * Something went really wrong and we will crash now. + *) + AV_LOG_PANIC = 0; + +(** + * Something went wrong and recovery is not possible. + * For example, no header was found for a format which depends + * on headers or an illegal combination of parameters is used. + *) + AV_LOG_FATAL = 8; + +(** + * Something went wrong and cannot losslessly be recovered. + * However, not all future data is affected. + *) + AV_LOG_ERROR = 16; + +(** + * Something somehow does not look correct. This may or may not + * lead to problems. An example would be the use of '-vstrict -2'. + *) + AV_LOG_WARNING = 24; + + AV_LOG_INFO = 32; + AV_LOG_VERBOSE = 40; + +(** + * Stuff which is only useful for libav* developers. + *) + AV_LOG_DEBUG = 48; + +(** + * Send the specified message to the log if the level is less than or equal + * to the current av_log_level. By default, all logging messages are sent to + * stderr. This behavior can be altered by setting a different av_vlog callback + * function. + * + * @param avcl A pointer to an arbitrary struct of which the first field is a + * pointer to an AVClass struct. + * @param level The importance level of the message, lower values signifying + * higher importance. + * @param fmt The format string (printf-compatible) that specifies how + * subsequent arguments are converted to output. + * @see av_vlog + *) + +{** to be translated if needed +void av_log(void *avcl, int level, const char *fmt, ...) av_printf_format(3, 4); +**} + +type + va_list = pointer; + +procedure av_vlog(avcl: pointer; level: cint; fmt: {const} PAnsiChar; dummy: va_list); + cdecl; external av__util; +function av_log_get_level(): cint; + cdecl; external av__util; +procedure av_log_set_level(level: cint); + cdecl; external av__util; + +{** to be translated if needed +void av_log_set_callback(void (*)(void*, int, const char*, va_list)); +void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl); +**} + +function av_default_item_name (ctx: pointer): PAnsiChar; + cdecl; external av__util; + +(** + * Format a line of log the same way as the default callback. + * @param line buffer to receive the formated line + * @param line_size size of the buffer + * @param print_prefix used to store whether the prefix must be printed; + * must point to a persistent integer initially set to 1 + *) +procedure av_log_format_line(ptr: pointer; level: cint; fmt: {const} PAnsiChar; vl: va_list; + line: PAnsiChar; line_size: cint; print_prefix: Pcint); + cdecl; external av__util; + +(** + * av_dlog macros + * Useful to print debug messages that shouldn't get compiled in normally. + *) +(** to be translated if needed +#ifdef DEBUG +# define av_dlog(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__) +#else +# define av_dlog(pctx, ...) do { if (0) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0) +#endif +**) + +(** + * Skip repeated messages, this requires the user app to use av_log() instead of + * (f)printf as the 2 would otherwise interfere and lead to + * "Last message repeated x times" messages below (f)printf messages with some + * bad luck. + * Also to receive the last, "last repeated" line if any, the user app must + * call av_log(NULL, AV_LOG_QUIET, "%s", ""); at the end + *) +const + AV_LOG_SKIP_REPEATED = 1; + +procedure av_log_set_flags(arg: cint); + cdecl; external av__util; |