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This changes some APIs in compatible ways: - Some functions now take "const char *" arguments, not "char *" - Some structs now have "conts char *" members, not "char *" The changes may cause warnings when compiling with the right warning flags. You've been warned. Also adds -Wwrite-strings as a warning flag in configure.ac. https://bugzilla.gnome.org/show_bug.cgi?id=611692
251 lines
6.8 KiB
C
251 lines
6.8 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gsttrace.h: Header for tracing functions (deprecated)
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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 __GST_TRACE_H__
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#define __GST_TRACE_H__
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#include <glib.h>
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G_BEGIN_DECLS
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/**
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* GstAllocTraceFlags:
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* @GST_ALLOC_TRACE_LIVE: Trace number of non-freed memory
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* @GST_ALLOC_TRACE_MEM_LIVE: trace pointers of unfreed memory
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*
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* Flags indicating which tracing feature to enable.
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*/
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typedef enum {
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GST_ALLOC_TRACE_LIVE = (1 << 0),
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GST_ALLOC_TRACE_MEM_LIVE = (1 << 1)
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} GstAllocTraceFlags;
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typedef struct _GstAllocTrace GstAllocTrace;
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/**
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* GstAllocTrace:
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* @name: The name of the tracing object
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* @flags: Flags for this object
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* @live: counter for live memory
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* @mem_live: list with pointers to unfreed memory
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*
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* The main tracing object
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*/
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struct _GstAllocTrace {
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gchar *name;
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gint flags;
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gint live;
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GSList *mem_live;
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};
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#ifndef GST_DISABLE_TRACE
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typedef struct _GstTrace GstTrace;
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typedef struct _GstTraceEntry GstTraceEntry;
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/**
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* GstTrace:
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*
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* Opaque #GstTrace structure.
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*/
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struct _GstTrace {
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/*< private >*/
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/* where this trace is going */
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gchar *filename;
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int fd;
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/* current buffer, size, head offset */
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GstTraceEntry *buf;
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gint bufsize;
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gint bufoffset;
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};
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struct _GstTraceEntry {
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gint64 timestamp;
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guint32 sequence;
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guint32 data;
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gchar message[112];
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};
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GstTrace* gst_trace_new (const gchar *filename, gint size);
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void gst_trace_destroy (GstTrace *trace);
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void gst_trace_flush (GstTrace *trace);
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void gst_trace_text_flush (GstTrace *trace);
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/**
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* gst_trace_get_size:
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* @trace: a #GstTrace
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*
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* Retrieve the buffer size of @trace.
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*/
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#define gst_trace_get_size(trace) ((trace)->bufsize)
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/**
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* gst_trace_get_offset:
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* @trace: a #GstTrace
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*
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* Retrieve the current buffer offset of @trace.
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*/
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#define gst_trace_get_offset(trace) ((trace)->bufoffset)
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/**
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* gst_trace_get_remaining:
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* @trace: a #GstTrace
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*
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* Retrieve the remaining size in the @trace buffer.
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*/
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#define gst_trace_get_remaining(trace) ((trace)->bufsize - (trace)->bufoffset)
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void gst_trace_set_default (GstTrace *trace);
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void _gst_trace_add_entry (GstTrace *trace, guint32 seq,
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guint32 data, gchar *msg);
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void gst_trace_read_tsc (gint64 *dst);
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extern GStaticMutex _gst_trace_mutex;
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gboolean gst_alloc_trace_available (void);
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G_CONST_RETURN GList* gst_alloc_trace_list (void);
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GstAllocTrace* _gst_alloc_trace_register (const gchar *name);
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int gst_alloc_trace_live_all (void);
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void gst_alloc_trace_print_all (void);
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void gst_alloc_trace_print_live (void);
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void gst_alloc_trace_set_flags_all (GstAllocTraceFlags flags);
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GstAllocTrace* gst_alloc_trace_get (const gchar *name);
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void gst_alloc_trace_print (const GstAllocTrace *trace);
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void gst_alloc_trace_set_flags (GstAllocTrace *trace, GstAllocTraceFlags flags);
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#ifndef GST_DISABLE_ALLOC_TRACE
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/**
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* gst_alloc_trace_register:
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* @name: The name of the tracer object
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*
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* Register a new alloc tracer with the given name
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*/
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#define gst_alloc_trace_register(name) _gst_alloc_trace_register (name);
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/**
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* gst_alloc_trace_new:
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* @trace: The tracer to use
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* @mem: The memory allocated
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*
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* Use the tracer to trace a new memory allocation
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*/
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#define gst_alloc_trace_new(trace, mem) \
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G_STMT_START { \
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if (G_UNLIKELY ((trace)->flags)) { \
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g_static_mutex_lock (&_gst_trace_mutex); \
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if ((trace)->flags & GST_ALLOC_TRACE_LIVE) \
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(trace)->live++; \
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if ((trace)->flags & GST_ALLOC_TRACE_MEM_LIVE) \
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(trace)->mem_live = \
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g_slist_prepend ((trace)->mem_live, mem); \
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g_static_mutex_unlock (&_gst_trace_mutex); \
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} \
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} G_STMT_END
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/**
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* gst_alloc_trace_free:
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* @trace: The tracer to use
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* @mem: The memory that is freed
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*
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* Trace a memory free operation
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*/
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#define gst_alloc_trace_free(trace, mem) \
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G_STMT_START { \
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if (G_UNLIKELY ((trace)->flags)) { \
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g_static_mutex_lock (&_gst_trace_mutex); \
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if ((trace)->flags & GST_ALLOC_TRACE_LIVE) \
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(trace)->live--; \
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if ((trace)->flags & GST_ALLOC_TRACE_MEM_LIVE) \
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(trace)->mem_live = \
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g_slist_remove ((trace)->mem_live, mem); \
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g_static_mutex_unlock (&_gst_trace_mutex); \
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} \
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} G_STMT_END
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#else
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#define gst_alloc_trace_register(name) (NULL)
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#define gst_alloc_trace_new(trace, mem)
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#define gst_alloc_trace_free(trace, mem)
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#endif
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extern gint _gst_trace_on;
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/**
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* gst_trace_add_entry:
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* @trace: a #GstTrace
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* @seq: a sequence number
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* @data: the data to trace
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* @msg: the trace message
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*
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* Add an entry to @trace with sequence number @seq, @data and @msg.
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* If @trace is NULL, the entry will be added to the default #GstTrace.
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*/
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#define gst_trace_add_entry(trace,seq,data,msg) \
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if (_gst_trace_on) { \
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_gst_trace_add_entry(trace,(guint32)seq,(guint32)data,msg); \
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}
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#else /* GST_DISABLE_TRACE */
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#if defined __GNUC__ && __GNUC__ >= 3
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#pragma GCC poison gst_trace_new
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#pragma GCC poison gst_trace_destroy
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#pragma GCC poison gst_trace_flush
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#pragma GCC poison gst_trace_text_flush
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#pragma GCC poison gst_trace_get_size
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#pragma GCC poison gst_trace_get_offset
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#pragma GCC poison gst_trace_get_remaining
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#pragma GCC poison gst_trace_set_default
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#pragma GCC poison _gst_trace_add_entry
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#pragma GCC poison gst_trace_read_tsc
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#endif
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#define gst_alloc_trace_register(name) (NULL)
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#define gst_alloc_trace_new(trace, mem)
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#define gst_alloc_trace_free(trace, mem)
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#define gst_alloc_trace_available() (FALSE)
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#define gst_alloc_trace_list() (NULL)
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#define _gst_alloc_trace_register(name) (NULL)
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#define gst_alloc_trace_live_all() (0)
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#define gst_alloc_trace_print_all()
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#define gst_alloc_trace_print_live()
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#define gst_alloc_trace_set_flags_all(flags)
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#define gst_alloc_trace_get(name) (NULL)
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#define gst_alloc_trace_print(trace)
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#define gst_alloc_trace_set_flags(trace,flags)
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#define gst_trace_add_entry(trace,seq,data,msg)
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#endif /* GST_DISABLE_TRACE */
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G_END_DECLS
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#endif /* __GST_TRACE_H__ */
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