mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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cd24b35b70
Original commit message from CVS: Added pullregion in again, it got removed with the previous commit.
121 lines
4.6 KiB
C
121 lines
4.6 KiB
C
/* Gnome-Streamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GSTDEBUG_H__
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#define __GSTDEBUG_H__
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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 <gst/gst.h>
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/* for include files that make too much noise normally */
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#ifdef GST_DEBUG_FORCE_DISABLE
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#undef GST_DEBUG_ENABLED
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#endif
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/* for applications that really really want all the noise */
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#ifdef GST_DEBUG_FORCE_ENABLE
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#define GST_DEBUG_ENABLED
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#endif
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#define GST_DEBUG_PREFIX(format,args...) \
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"DEBUG(%d:%d)" __PRETTY_FUNCTION__ ":%d" format , getpid() , cothread_getcurrent() , __LINE__ , ## args
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/* fallback, this should probably be a 'weak' symbol or something */
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G_GNUC_UNUSED static gchar *_debug_string = NULL;
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/**********************************************************************
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* The following is a DEBUG_ENTER implementation that will wrap the
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* function it sits at the head of. It removes the need for a
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* DEBUG_LEAVE call. However, it segfaults whenever it gets anywhere
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* near cothreads. We will not use it for the moment.
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*/
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typedef void (*_debug_function_f)();
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G_GNUC_UNUSED static gchar *_debug_string_pointer = NULL;
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G_GNUC_UNUSED static GModule *_debug_self_module = NULL;
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#define _DEBUG_ENTER_BUILTIN(format,args...) \
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static int _debug_in_wrapper = 0; \
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gchar *_debug_string = ({ \
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if (!_debug_in_wrapper) { \
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void *_return_value; \
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gchar *_debug_string; \
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_debug_function_f function; \
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void *_function_args = __builtin_apply_args(); \
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_debug_in_wrapper = 1; \
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_debug_string = g_strdup_printf(GST_DEBUG_PREFIX("")); \
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_debug_string_pointer = _debug_string; \
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fprintf(stderr,"%s: entered " __PRETTY_FUNCTION__ format "\n" , _debug_string , ## args ); \
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if (_debug_self_module == NULL) _debug_self_module = g_module_open(NULL,0); \
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g_module_symbol(_debug_self_module,__FUNCTION__,(gpointer *)&function); \
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_return_value = __builtin_apply(function,_function_args,64); \
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fprintf(stderr,"%s: left " __PRETTY_FUNCTION__ format "\n" , _debug_string , ## args ); \
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g_free(_debug_string); \
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__builtin_return(_return_value); \
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} else { \
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_debug_in_wrapper = 0; \
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} \
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_debug_string_pointer; \
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});
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/* WARNING: there's a gcc CPP bug lurking in here. The extra space before the ##args *
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* somehow make the preprocessor leave the _debug_string. If it's removed, the *
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* _debug_string somehow gets stripped along with the ##args, and that's all she wrote. */
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#define _DEBUG_BUILTIN(format,args...) \
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if (_debug_string != (void *)-1) { \
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if (_debug_string) \
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fprintf(stderr,"%s: " format , _debug_string , ## args); \
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else \
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fprintf(stderr,GST_DEBUG_PREFIX(": " format , ## args)); \
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}
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#ifdef GST_DEBUG_ENABLED
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#define DEBUG(format,args...) \
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(_debug_string != NULL) ? \
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fprintf(stderr,GST_DEBUG_PREFIX("%s: "format , _debug_string , ## args )) : \
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fprintf(stderr,GST_DEBUG_PREFIX(": "format , ## args ))
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#define DEBUG_ENTER(format, args...) \
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fprintf(stderr,GST_DEBUG_PREFIX(format": entering\n" , ## args ))
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#define DEBUG_SET_STRING(format, args...) \
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gchar *_debug_string = g_strdup_printf(format , ## args )
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#define DEBUG_ENTER_STRING DEBUG_ENTER("%s",_debug_string)
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#define DEBUG_LEAVE(format, args...) \
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if (_debug_string != NULL) g_free(_debug_string),\
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fprintf(stderr,GST_DEBUG_PREFIX(format": leaving\n" , ## args ))
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#else
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#define DEBUG(format, args...)
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#define DEBUG_ENTER(format, args...)
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#define DEBUG_LEAVE(format, args...)
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#define DEBUG_SET_STRING(format, args...)
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#define DEBUG_ENTER_STRING
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#endif
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/********** some convenience macros for debugging **********/
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#define GST_DEBUG_PAD_NAME(pad) \
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((pad)->parent != NULL) ? gst_element_get_name(GST_ELEMENT((pad)->parent)) : "''", gst_pad_get_name(pad)
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#endif /* __GST_H__ */
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