990baba8e3
Original commit message from CVS: Another big set of changes. Connections are now also pullfunc based. gstqueue has been updated, I don't know of any other connections offhand. There are still a few things that need doing, specifically the concept of a source or connection with connections to multiple thread contexts is not dealt with. This may force us to move the threadstate from the element to the pad, maybe keeping the element's copy for simple cases. Then the Bin would create a structure to pass to the cothreaded _wrappers of any such elements, which would detail the pads that are to be dealt with by this particular cothread context. That will speed things up to, since we don't have to look through the list of all pads for every Src or Connection element for every iteration, we can simply step through the list provided by the plan. Special case might even have a single pad pointer sitting there to trump the list, if there's only one (the common case anyway). Task 23098 is tracking these changes. The main task 22588 depends on that subtask, as well as 22240, which is a consistency check on PAD_DISABLED.
120 lines
4.5 KiB
C
120 lines
4.5 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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#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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