mirror of https://code.videolan.org/videolan/vlc
113 lines
3.5 KiB
C
113 lines
3.5 KiB
C
/*****************************************************************************
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* log.c: libvlc new API log functions
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*****************************************************************************
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* Copyright (C) 2005 VLC authors and VideoLAN
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*
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*
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* Authors: Damien Fouilleul <damienf@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <assert.h>
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#include <vlc/vlc.h>
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#include "libvlc_internal.h"
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#include <vlc_common.h>
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#include <vlc_interface.h>
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/*** Logging core dispatcher ***/
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void libvlc_log_get_context(const libvlc_log_t *ctx,
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const char **restrict module,
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const char **restrict file,
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unsigned *restrict line)
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{
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if (module != NULL)
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*module = ctx->psz_module;
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if (file != NULL)
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*file = ctx->file;
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if (line != NULL)
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*line = ctx->line;
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}
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void libvlc_log_get_object(const libvlc_log_t *ctx,
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const char **restrict name,
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const char **restrict header,
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uintptr_t *restrict id)
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{
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if (name != NULL)
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*name = (ctx->psz_object_type != NULL)
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? ctx->psz_object_type : "generic";
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if (header != NULL)
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*header = ctx->psz_header;
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if (id != NULL)
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*id = ctx->i_object_id;
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}
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static void libvlc_logf (void *data, int level, const vlc_log_t *item,
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const char *fmt, va_list ap)
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{
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libvlc_instance_t *inst = data;
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switch (level)
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{
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case VLC_MSG_INFO: level = LIBVLC_NOTICE; break;
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case VLC_MSG_ERR: level = LIBVLC_ERROR; break;
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case VLC_MSG_WARN: level = LIBVLC_WARNING; break;
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case VLC_MSG_DBG: level = LIBVLC_DEBUG; break;
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}
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inst->log.cb (inst->log.data, level, item, fmt, ap);
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}
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static const struct vlc_logger_operations libvlc_log_ops = {
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libvlc_logf, NULL
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};
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void libvlc_log_unset (libvlc_instance_t *inst)
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{
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vlc_LogSet (inst->p_libvlc_int, NULL, NULL);
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}
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void libvlc_log_set (libvlc_instance_t *inst, libvlc_log_cb cb, void *data)
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{
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libvlc_log_unset (inst); /* <- Barrier before modifying the callback */
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inst->log.cb = cb;
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inst->log.data = data;
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vlc_LogSet(inst->p_libvlc_int, &libvlc_log_ops, inst);
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}
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/*** Helpers for logging to files ***/
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static void libvlc_log_file (void *data, int level, const libvlc_log_t *log,
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const char *fmt, va_list ap)
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{
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FILE *stream = data;
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flockfile (stream);
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vfprintf (stream, fmt, ap);
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fputc ('\n', stream);
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funlockfile (stream);
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(void) level; (void) log;
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}
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void libvlc_log_set_file (libvlc_instance_t *inst, FILE *stream)
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{
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libvlc_log_set (inst, libvlc_log_file, stream);
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}
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