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Add gst_print(), gst_println(), gst_printerr(), gst_printerrln()
Useful for debugging. https://bugzilla.gnome.org/show_bug.cgi?id=766470
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4 changed files with 155 additions and 1 deletions
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@ -1392,6 +1392,10 @@ gst_debug_bin_to_dot_file_with_ts
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gst_info_vasprintf
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gst_info_vasprintf
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gst_info_strdup_vprintf
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gst_info_strdup_vprintf
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gst_info_strdup_printf
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gst_info_strdup_printf
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gst_print
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gst_println
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gst_printerr
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gst_printerrln
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<SUBSECTION Standard>
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<SUBSECTION Standard>
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GST_TYPE_DEBUG_COLOR_FLAGS
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GST_TYPE_DEBUG_COLOR_FLAGS
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GST_TYPE_DEBUG_COLOR_MODE
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GST_TYPE_DEBUG_COLOR_MODE
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142
gst/gstinfo.c
142
gst/gstinfo.c
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@ -2438,7 +2438,7 @@ gst_info_strdup_vprintf (const gchar * format, va_list args)
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* @format: a printf style format string
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* @format: a printf style format string
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* @...: the printf arguments for @format
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* @...: the printf arguments for @format
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*
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*
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* Allocates, fills and returns a null terminated string from the printf style
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* Allocates, fills and returns a 0-terminated string from the printf style
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* @format string and corresponding arguments.
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* @format string and corresponding arguments.
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*
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*
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* See gst_info_vasprintf() for when this function is required.
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* See gst_info_vasprintf() for when this function is required.
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@ -2462,6 +2462,146 @@ gst_info_strdup_printf (const gchar * format, ...)
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return ret;
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return ret;
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}
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}
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/**
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* gst_print:
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* @format: a printf style format string
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* @...: the printf arguments for @format
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*
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* Outputs a formatted message via the GLib print handler. The default print
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* handler simply outputs the message to stdout.
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*
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* This function will not append a new-line character at the end, unlike
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* gst_println() which will.
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*
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* All strings must be in ASCII or UTF-8 encoding.
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*
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* This function differs from g_print() in that it supports all the additional
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* printf specifiers that are supported by GStreamer's debug logging system,
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* such as #GST_PTR_FORMAT and #GST_SEGMENT_FORMAT.
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*
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* This function is primarily for printing debug output.
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*
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* Since: 1.12
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*/
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void
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gst_print (const gchar * format, ...)
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{
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va_list args;
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gchar *str;
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va_start (args, format);
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str = gst_info_strdup_vprintf (format, args);
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va_end (args);
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g_print ("%s", str);
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g_free (str);
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}
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/**
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* gst_println:
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* @format: a printf style format string
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* @...: the printf arguments for @format
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*
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* Outputs a formatted message via the GLib print handler. The default print
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* handler simply outputs the message to stdout.
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*
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* This function will append a new-line character at the end, unlike
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* gst_print() which will not.
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*
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* All strings must be in ASCII or UTF-8 encoding.
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*
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* This function differs from g_print() in that it supports all the additional
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* printf specifiers that are supported by GStreamer's debug logging system,
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* such as #GST_PTR_FORMAT and #GST_SEGMENT_FORMAT.
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*
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* This function is primarily for printing debug output.
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*
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* Since: 1.12
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*/
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void
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gst_println (const gchar * format, ...)
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{
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va_list args;
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gchar *str;
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va_start (args, format);
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str = gst_info_strdup_vprintf (format, args);
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va_end (args);
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g_print ("%s\n", str);
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g_free (str);
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}
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/**
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* gst_printerr:
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* @format: a printf style format string
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* @...: the printf arguments for @format
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*
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* Outputs a formatted message via the GLib error message handler. The default
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* handler simply outputs the message to stderr.
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*
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* This function will not append a new-line character at the end, unlike
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* gst_printerrln() which will.
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*
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* All strings must be in ASCII or UTF-8 encoding.
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*
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* This function differs from g_printerr() in that it supports the additional
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* printf specifiers that are supported by GStreamer's debug logging system,
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* such as #GST_PTR_FORMAT and #GST_SEGMENT_FORMAT.
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*
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* This function is primarily for printing debug output.
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*
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* Since: 1.12
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*/
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void
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gst_printerr (const gchar * format, ...)
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{
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va_list args;
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gchar *str;
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va_start (args, format);
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str = gst_info_strdup_vprintf (format, args);
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va_end (args);
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g_printerr ("%s", str);
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g_free (str);
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}
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/**
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* gst_printerrln:
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* @format: a printf style format string
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* @...: the printf arguments for @format
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*
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* Outputs a formatted message via the GLib error message handler. The default
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* handler simply outputs the message to stderr.
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*
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* This function will append a new-line character at the end, unlike
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* gst_printerr() which will not.
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*
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* All strings must be in ASCII or UTF-8 encoding.
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*
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* This function differs from g_printerr() in that it supports the additional
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* printf specifiers that are supported by GStreamer's debug logging system,
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* such as #GST_PTR_FORMAT and #GST_SEGMENT_FORMAT.
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*
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* This function is primarily for printing debug output.
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*
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* Since: 1.12
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*/
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void
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gst_printerrln (const gchar * format, ...)
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{
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va_list args;
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gchar *str;
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va_start (args, format);
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str = gst_info_strdup_vprintf (format, args);
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va_end (args);
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g_printerr ("%s\n", str);
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g_free (str);
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}
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#ifdef HAVE_UNWIND
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#ifdef HAVE_UNWIND
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#ifdef HAVE_DW
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#ifdef HAVE_DW
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static gboolean
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static gboolean
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@ -413,6 +413,12 @@ gint gst_info_vasprintf (gchar ** result,
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gchar * gst_info_strdup_vprintf (const gchar *format, va_list args) G_GNUC_PRINTF (1, 0);
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gchar * gst_info_strdup_vprintf (const gchar *format, va_list args) G_GNUC_PRINTF (1, 0);
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gchar * gst_info_strdup_printf (const gchar *format, ...) G_GNUC_PRINTF (1, 2);
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gchar * gst_info_strdup_printf (const gchar *format, ...) G_GNUC_PRINTF (1, 2);
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void gst_print (const gchar * format, ...) G_GNUC_PRINTF (1, 2);
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void gst_println (const gchar * format, ...) G_GNUC_PRINTF (1, 2);
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void gst_printerr (const gchar * format, ...) G_GNUC_PRINTF (1, 2);
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void gst_printerrln (const gchar * format, ...) G_GNUC_PRINTF (1, 2);
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#ifndef GST_DISABLE_GST_DEBUG
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#ifndef GST_DISABLE_GST_DEBUG
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/* cast to void * avoids a warning with gcc 6
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/* cast to void * avoids a warning with gcc 6
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@ -1064,6 +1064,10 @@ EXPORTS
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gst_preset_save_preset
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gst_preset_save_preset
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gst_preset_set_app_dir
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gst_preset_set_app_dir
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gst_preset_set_meta
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gst_preset_set_meta
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gst_print
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gst_printerr
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gst_printerrln
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gst_println
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gst_progress_type_get_type
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gst_progress_type_get_type
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gst_protection_meta_api_get_type
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gst_protection_meta_api_get_type
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gst_protection_meta_get_info
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gst_protection_meta_get_info
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