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gstreamer_core/gst/gstvalue.h
branchRCL_3
changeset 30 7e817e7e631c
parent 29 567bb019e3e3
equal deleted inserted replaced
29:567bb019e3e3 30:7e817e7e631c 
    39  * <programlisting>
 
    39  * <programlisting>
 
    40  * guint32 fourcc = GST_MAKE_FOURCC ('M', 'J', 'P', 'G');
 
    40  * guint32 fourcc = GST_MAKE_FOURCC ('M', 'J', 'P', 'G');
 
    41  * </programlisting>
 
    41  * </programlisting>
 
    42  * </informalexample>
 
    42  * </informalexample>
 
    43  */
 
    43  */
 
    44 #define GST_MAKE_FOURCC(a,b,c,d)        ((guint32)((a)|(b)<<8|(c)<<16|(d)<<24))
 
    44 #define GST_MAKE_FOURCC(a,b,c,d)        (guint32)((a)|(b)<<8|(c)<<16|(d)<<24)
 
    45 
    45 
    46 /**
 
    46 /**
 
    47  * GST_STR_FOURCC:
 
    47  * GST_STR_FOURCC:
 
    48  * @f: a string with at least four characters
 
    48  * @f: a string with at least four characters
 
    49  *
 
    49  *
 
    55  * <programlisting>
 
    55  * <programlisting>
 
    56  * guint32 fourcc = GST_STR_FOURCC ("MJPG");
 
    56  * guint32 fourcc = GST_STR_FOURCC ("MJPG");
 
    57  * </programlisting>
 
    57  * </programlisting>
 
    58  * </informalexample>
 
    58  * </informalexample>
 
    59  */
 
    59  */
 
    60 #define GST_STR_FOURCC(f)               ((guint32)(((f)[0])|((f)[1]<<8)|((f)[2]<<16)|((f)[3]<<24)))
 
    60 #define GST_STR_FOURCC(f)               (guint32)(((f)[0])|((f)[1]<<8)|((f)[2]<<16)|((f)[3]<<24))
 
    61 
    61 
    62 /**
 
    62 /**
 
    63  * GST_FOURCC_FORMAT:
 
    63  * GST_FOURCC_FORMAT:
 
    64  *
 
    64  *
 
    65  * Can be used together with #GST_FOURCC_ARGS to properly output a
 
    65  * Can be used together with #GST_FOURCC_ARGS to properly output a
 
    89  * GST_VALUE_HOLDS_FOURCC:
 
    89  * GST_VALUE_HOLDS_FOURCC:
 
    90  * @x: the #GValue to check
 
    90  * @x: the #GValue to check
 
    91  *
 
    91  *
 
    92  * Checks if the given #GValue contains a #GST_TYPE_FOURCC value.
 
    92  * Checks if the given #GValue contains a #GST_TYPE_FOURCC value.
 
    93  */
 
    93  */
 
    94 #define GST_VALUE_HOLDS_FOURCC(x)       (G_VALUE_HOLDS((x), gst_fourcc_get_type ()))
 
    94 #define GST_VALUE_HOLDS_FOURCC(x)       (G_VALUE_HOLDS(x, gst_fourcc_get_type ()))
 
    95 
    95 
    96 /**
 
    96 /**
 
    97  * GST_VALUE_HOLDS_INT_RANGE:
 
    97  * GST_VALUE_HOLDS_INT_RANGE:
 
    98  * @x: the #GValue to check
 
    98  * @x: the #GValue to check
 
    99  *
 
    99  *
 
   100  * Checks if the given #GValue contains a #GST_TYPE_INT_RANGE value.
 
   100  * Checks if the given #GValue contains a #GST_TYPE_INT_RANGE value.
 
   101  */
 
   101  */
 
   102 #define GST_VALUE_HOLDS_INT_RANGE(x)    (G_VALUE_HOLDS((x), gst_int_range_get_type ()))
 
   102 #define GST_VALUE_HOLDS_INT_RANGE(x)    (G_VALUE_HOLDS(x, gst_int_range_get_type ()))
 
   103 
   103 
   104 /**
 
   104 /**
 
   105  * GST_VALUE_HOLDS_DOUBLE_RANGE:
 
   105  * GST_VALUE_HOLDS_DOUBLE_RANGE:
 
   106  * @x: the #GValue to check
 
   106  * @x: the #GValue to check
 
   107  *
 
   107  *
 
   108  * Checks if the given #GValue contains a #GST_TYPE_DOUBLE_RANGE value.
 
   108  * Checks if the given #GValue contains a #GST_TYPE_DOUBLE_RANGE value.
 
   109  */
 
   109  */
 
   110 #define GST_VALUE_HOLDS_DOUBLE_RANGE(x) (G_VALUE_HOLDS((x), gst_double_range_get_type ()))
 
   110 #define GST_VALUE_HOLDS_DOUBLE_RANGE(x) (G_VALUE_HOLDS(x, gst_double_range_get_type ()))
 
   111 
   111 
   112 /**
 
   112 /**
 
   113  * GST_VALUE_HOLDS_FRACTION_RANGE:
 
   113  * GST_VALUE_HOLDS_FRACTION_RANGE:
 
   114  * @x: the #GValue to check
 
   114  * @x: the #GValue to check
 
   115  *
 
   115  *
 
   116  * Checks if the given #GValue contains a #GST_TYPE_FRACTION_RANGE value.
 
   116  * Checks if the given #GValue contains a #GST_TYPE_FRACTION_RANGE value.
 
   117  */
 
   117  */
 
   118 #define GST_VALUE_HOLDS_FRACTION_RANGE(x)    (G_VALUE_HOLDS((x), gst_fraction_range_get_type ()))
 
   118 #define GST_VALUE_HOLDS_FRACTION_RANGE(x)    (G_VALUE_HOLDS(x, gst_fraction_range_get_type ()))
 
   119 
   119 
   120 /**
 
   120 /**
 
   121  * GST_VALUE_HOLDS_LIST:
 
   121  * GST_VALUE_HOLDS_LIST:
 
   122  * @x: the #GValue to check
 
   122  * @x: the #GValue to check
 
   123  *
 
   123  *
 
   124  * Checks if the given #GValue contains a #GST_TYPE_LIST value.
 
   124  * Checks if the given #GValue contains a #GST_TYPE_LIST value.
 
   125  */
 
   125  */
 
   126 #define GST_VALUE_HOLDS_LIST(x)		(G_VALUE_HOLDS((x), gst_value_list_get_type ()))
 
   126 #define GST_VALUE_HOLDS_LIST(x)		(G_VALUE_HOLDS(x, gst_value_list_get_type ()))
 
   127 
   127 
   128 /**
 
   128 /**
 
   129  * GST_VALUE_HOLDS_ARRAY:
 
   129  * GST_VALUE_HOLDS_ARRAY:
 
   130  * @x: the #GValue to check
 
   130  * @x: the #GValue to check
 
   131  *
 
   131  *
 
   132  * Checks if the given #GValue contains a #GST_TYPE_ARRAY value.
 
   132  * Checks if the given #GValue contains a #GST_TYPE_ARRAY value.
 
   133  */
 
   133  */
 
   134 #define GST_VALUE_HOLDS_ARRAY(x)	(G_VALUE_HOLDS((x), gst_value_array_get_type ()))
 
   134 #define GST_VALUE_HOLDS_ARRAY(x)	(G_VALUE_HOLDS(x, gst_value_array_get_type ()))
 
   135 
   135 
   136 /**
 
   136 /**
 
   137  * GST_VALUE_HOLDS_CAPS:
 
   137  * GST_VALUE_HOLDS_CAPS:
 
   138  * @x: the #GValue to check
 
   138  * @x: the #GValue to check
 
   139  *
 
   139  *
 
   140  * Checks if the given #GValue contains a #GST_TYPE_CAPS value.
 
   140  * Checks if the given #GValue contains a #GST_TYPE_CAPS value.
 
   141  */
 
   141  */
 
   142 #define GST_VALUE_HOLDS_CAPS(x)		(G_VALUE_HOLDS((x), GST_TYPE_CAPS))
 
   142 #define GST_VALUE_HOLDS_CAPS(x)		(G_VALUE_HOLDS(x, GST_TYPE_CAPS))
 
   143 
   143 
   144 /**
 
   144 /**
 
   145  * GST_VALUE_HOLDS_STRUCTURE:
 
   145  * GST_VALUE_HOLDS_STRUCTURE:
 
   146  * @x: the #GValue to check
 
   146  * @x: the #GValue to check
 
   147  *
 
   147  *
 
   148  * Checks if the given #GValue contains a #GST_TYPE_STRUCTURE value.
 
   148  * Checks if the given #GValue contains a #GST_TYPE_STRUCTURE value.
 
   149  *
 
   149  *
 
   150  * Since: 0.10.15
 
   150  * Since: 0.10.15
 
   151  */
 
   151  */
 
   152 #define GST_VALUE_HOLDS_STRUCTURE(x)		(G_VALUE_HOLDS((x), GST_TYPE_STRUCTURE))
 
   152 #define GST_VALUE_HOLDS_STRUCTURE(x)		(G_VALUE_HOLDS(x, GST_TYPE_STRUCTURE))
 
   153 
   153 
   154 /**
 
   154 /**
 
   155  * GST_VALUE_HOLDS_BUFFER:
 
   155  * GST_VALUE_HOLDS_BUFFER:
 
   156  * @x: the #GValue to check
 
   156  * @x: the #GValue to check
 
   157  *
 
   157  *
 
   158  * Checks if the given #GValue contains a #GST_TYPE_BUFFER value.
 
   158  * Checks if the given #GValue contains a #GST_TYPE_BUFFER value.
 
   159  */
 
   159  */
 
   160 #define GST_VALUE_HOLDS_BUFFER(x)       (G_VALUE_HOLDS((x), GST_TYPE_BUFFER))
 
   160 #define GST_VALUE_HOLDS_BUFFER(x)       (G_VALUE_HOLDS(x, GST_TYPE_BUFFER))
 
   161 
   161 
   162 /**
 
   162 /**
 
   163  * GST_VALUE_HOLDS_FRACTION:
 
   163  * GST_VALUE_HOLDS_FRACTION:
 
   164  * @x: the #GValue to check
 
   164  * @x: the #GValue to check
 
   165  *
 
   165  *
 
   166  * Checks if the given #GValue contains a #GST_TYPE_FRACTION value.
 
   166  * Checks if the given #GValue contains a #GST_TYPE_FRACTION value.
 
   167  */
 
   167  */
 
   168 #define GST_VALUE_HOLDS_FRACTION(x)	(G_VALUE_HOLDS((x), gst_fraction_get_type ()))
 
   168 #define GST_VALUE_HOLDS_FRACTION(x)	(G_VALUE_HOLDS(x, gst_fraction_get_type ()))
 
   169 
   169 
   170 /**
 
   170 /**
 
   171  * GST_VALUE_HOLDS_DATE:
 
   171  * GST_VALUE_HOLDS_DATE:
 
   172  * @x: the #GValue to check
 
   172  * @x: the #GValue to check
 
   173  *
 
   173  *
 
   174  * Checks if the given #GValue contains a #GST_TYPE_DATE value.
 
   174  * Checks if the given #GValue contains a #GST_TYPE_DATE value.
 
   175  */
 
   175  */
 
   176 #define GST_VALUE_HOLDS_DATE(x)         (G_VALUE_HOLDS((x), gst_date_get_type ()))
 
   176 #define GST_VALUE_HOLDS_DATE(x)         (G_VALUE_HOLDS(x, gst_date_get_type ()))
 
   177 
   177 
   178 /**
 
   178 /**
 
   179  * GST_TYPE_FOURCC:
 
   179  * GST_TYPE_FOURCC:
 
   180  *
 
   180  *
 
   181  * a #GValue type that represents 4 byte identifier (e.g. used for codecs)
 
   181  * a #GValue type that represents 4 byte identifier (e.g. used for codecs)
FCL/sf/mw/gstreamer