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| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="GstCaps.top_of_page"></a>GstCaps</span></h2> |
| <p>GstCaps — Structure describing sets of media formats</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="GstCaps.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#GST-CAPS-REFCOUNT:CAPS" title="GST_CAPS_REFCOUNT()">GST_CAPS_REFCOUNT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#GST-CAPS-REFCOUNT-VALUE:CAPS" title="GST_CAPS_REFCOUNT_VALUE()">GST_CAPS_REFCOUNT_VALUE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#GST-CAPS-IS-SIMPLE:CAPS" title="GST_CAPS_IS_SIMPLE()">GST_CAPS_IS_SIMPLE</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#GST-STATIC-CAPS" title="GST_STATIC_CAPS()">GST_STATIC_CAPS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#GST-CAPS-FLAGS:CAPS" title="GST_CAPS_FLAGS()">GST_CAPS_FLAGS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#GST-CAPS-FLAG-IS-SET:CAPS" title="GST_CAPS_FLAG_IS_SET()">GST_CAPS_FLAG_IS_SET</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#GST-CAPS-FLAG-SET:CAPS" title="GST_CAPS_FLAG_SET()">GST_CAPS_FLAG_SET</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#GST-CAPS-FLAG-UNSET:CAPS" title="GST_CAPS_FLAG_UNSET()">GST_CAPS_FLAG_UNSET</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <span class="c_punctuation">(</span><a class="link" href="GstCaps.html#GstCapsForeachFunc" title="GstCapsForeachFunc ()">*GstCapsForeachFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <span class="c_punctuation">(</span><a class="link" href="GstCaps.html#GstCapsMapFunc" title="GstCapsMapFunc ()">*GstCapsMapFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <span class="c_punctuation">(</span><a class="link" href="GstCaps.html#GstCapsFilterMapFunc" title="GstCapsFilterMapFunc ()">*GstCapsFilterMapFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-new-empty" title="gst_caps_new_empty ()">gst_caps_new_empty</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-new-empty-simple" title="gst_caps_new_empty_simple ()">gst_caps_new_empty_simple</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-new-any" title="gst_caps_new_any ()">gst_caps_new_any</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-new-simple" title="gst_caps_new_simple ()">gst_caps_new_simple</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-new-full" title="gst_caps_new_full ()">gst_caps_new_full</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-new-full-valist" title="gst_caps_new_full_valist ()">gst_caps_new_full_valist</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-writable" title="gst_caps_is_writable()">gst_caps_is_writable</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-copy" title="gst_caps_copy ()">gst_caps_copy</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-copy-nth" title="gst_caps_copy_nth ()">gst_caps_copy_nth</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-static-caps-get" title="gst_static_caps_get ()">gst_static_caps_get</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-static-caps-cleanup" title="gst_static_caps_cleanup ()">gst_static_caps_cleanup</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-append" title="gst_caps_append ()">gst_caps_append</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-merge" title="gst_caps_merge ()">gst_caps_merge</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-append-structure" title="gst_caps_append_structure ()">gst_caps_append_structure</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-append-structure-full" title="gst_caps_append_structure_full ()">gst_caps_append_structure_full</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-remove-structure" title="gst_caps_remove_structure ()">gst_caps_remove_structure</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstStructure.html" title="GstStructure"><span class="returnvalue">GstStructure</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-steal-structure" title="gst_caps_steal_structure ()">gst_caps_steal_structure</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-merge-structure" title="gst_caps_merge_structure ()">gst_caps_merge_structure</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-merge-structure-full" title="gst_caps_merge_structure_full ()">gst_caps_merge_structure_full</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-get-size" title="gst_caps_get_size ()">gst_caps_get_size</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstStructure.html" title="GstStructure"><span class="returnvalue">GstStructure</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-get-structure" title="gst_caps_get_structure ()">gst_caps_get_structure</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="returnvalue">GstCapsFeatures</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-get-features" title="gst_caps_get_features ()">gst_caps_get_features</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-set-features" title="gst_caps_set_features ()">gst_caps_set_features</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-set-value" title="gst_caps_set_value ()">gst_caps_set_value</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-set-simple" title="gst_caps_set_simple ()">gst_caps_set_simple</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-set-simple-valist" title="gst_caps_set_simple_valist ()">gst_caps_set_simple_valist</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-foreach" title="gst_caps_foreach ()">gst_caps_foreach</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-map-in-place" title="gst_caps_map_in_place ()">gst_caps_map_in_place</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-filter-and-map-in-place" title="gst_caps_filter_and_map_in_place ()">gst_caps_filter_and_map_in_place</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-any" title="gst_caps_is_any ()">gst_caps_is_any</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-empty" title="gst_caps_is_empty ()">gst_caps_is_empty</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-fixed" title="gst_caps_is_fixed ()">gst_caps_is_fixed</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-equal" title="gst_caps_is_equal ()">gst_caps_is_equal</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-equal-fixed" title="gst_caps_is_equal_fixed ()">gst_caps_is_equal_fixed</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-strictly-equal" title="gst_caps_is_strictly_equal ()">gst_caps_is_strictly_equal</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-always-compatible" title="gst_caps_is_always_compatible ()">gst_caps_is_always_compatible</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-subset" title="gst_caps_is_subset ()">gst_caps_is_subset</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-subset-structure" title="gst_caps_is_subset_structure ()">gst_caps_is_subset_structure</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-is-subset-structure-full" title="gst_caps_is_subset_structure_full ()">gst_caps_is_subset_structure_full</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-can-intersect" title="gst_caps_can_intersect ()">gst_caps_can_intersect</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-intersect" title="gst_caps_intersect ()">gst_caps_intersect</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-intersect-full" title="gst_caps_intersect_full ()">gst_caps_intersect_full</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-normalize" title="gst_caps_normalize ()">gst_caps_normalize</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-simplify" title="gst_caps_simplify ()">gst_caps_simplify</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-replace" title="gst_caps_replace ()">gst_caps_replace</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-take" title="gst_caps_take ()">gst_caps_take</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-to-string" title="gst_caps_to_string ()">gst_caps_to_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-from-string" title="gst_caps_from_string ()">gst_caps_from_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-subtract" title="gst_caps_subtract ()">gst_caps_subtract</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-make-writable" title="gst_caps_make_writable()">gst_caps_make_writable</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-truncate" title="gst_caps_truncate ()">gst_caps_truncate</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-fixate" title="gst_caps_fixate ()">gst_caps_fixate</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-ref" title="gst_caps_ref ()">gst_caps_ref</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstCaps.html#gst-caps-unref" title="gst_caps_unref ()">gst_caps_unref</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstCaps.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="GstCaps.html#GstCaps-struct" title="struct GstCaps">GstCaps</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="GstCaps.html#GstStaticCaps" title="struct GstStaticCaps">GstStaticCaps</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="GstCaps.html#GstCapsIntersectMode" title="enum GstCapsIntersectMode">GstCapsIntersectMode</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="GstCaps.html#GstCapsFlags" title="enum GstCapsFlags">GstCapsFlags</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="GstCaps.html#GST-CAPS-ANY:CAPS" title="GST_CAPS_ANY">GST_CAPS_ANY</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="GstCaps.html#GST-CAPS-NONE:CAPS" title="GST_CAPS_NONE">GST_CAPS_NONE</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="GstCaps.html#GST-STATIC-CAPS-ANY:CAPS" title="GST_STATIC_CAPS_ANY">GST_STATIC_CAPS_ANY</a></td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"><a class="link" href="GstCaps.html#GST-STATIC-CAPS-NONE:CAPS" title="GST_STATIC_CAPS_NONE">GST_STATIC_CAPS_NONE</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstCaps.object-hierarchy"></a><h2>Object Hierarchy</h2> |
| <pre class="screen"> <a href="https://developer.gnome.org/gobject/unstable/gobject-Boxed-Types.html">GBoxed</a> |
| <span class="lineart">╰──</span> GstCaps |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GstCaps.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/gst.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GstCaps.description"></a><h2>Description</h2> |
| <p>Caps (capabilities) are lightweight refcounted objects describing media types. |
| They are composed of an array of <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a>.</p> |
| <p>Caps are exposed on <a class="link" href="GstPadTemplate.html" title="GstPadTemplate"><span class="type">GstPadTemplate</span></a> to describe all possible types a |
| given pad can handle. They are also stored in the <a class="link" href="GstRegistry.html" title="GstRegistry"><span class="type">GstRegistry</span></a> along with |
| a description of the <a class="link" href="GstElement.html" title="GstElement"><span class="type">GstElement</span></a>.</p> |
| <p>Caps are exposed on the element pads using the <a class="link" href="GstPad.html#gst-pad-query-caps" title="gst_pad_query_caps ()"><code class="function">gst_pad_query_caps()</code></a> pad |
| function. This function describes the possible types that the pad can |
| handle or produce at runtime.</p> |
| <p>A <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> can be constructed with the following code fragment:</p> |
| <div class="informalexample"> |
| <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> |
| <tbody> |
| <tr> |
| <td class="listing_lines" align="right"><pre>1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7</pre></td> |
| <td class="listing_code"><pre class="programlisting">GstCaps <span class="gtkdoc opt">*</span>caps <span class="gtkdoc opt">=</span> <span class="function"><a href="GstCaps.html#gst-caps-new-simple">gst_caps_new_simple</a></span> <span class="gtkdoc opt">(</span><span class="string">"video/x-raw"</span><span class="gtkdoc opt">,</span> |
| <span class="string">"format"</span><span class="gtkdoc opt">,</span> G_TYPE_STRING<span class="gtkdoc opt">,</span> <span class="string">"I420"</span><span class="gtkdoc opt">,</span> |
| <span class="string">"framerate"</span><span class="gtkdoc opt">,</span> GST_TYPE_FRACTION<span class="gtkdoc opt">,</span> <span class="number">25</span><span class="gtkdoc opt">,</span> <span class="number">1</span><span class="gtkdoc opt">,</span> |
| <span class="string">"pixel-aspect-ratio"</span><span class="gtkdoc opt">,</span> GST_TYPE_FRACTION<span class="gtkdoc opt">,</span> <span class="number">1</span><span class="gtkdoc opt">,</span> <span class="number">1</span><span class="gtkdoc opt">,</span> |
| <span class="string">"width"</span><span class="gtkdoc opt">,</span> G_TYPE_INT<span class="gtkdoc opt">,</span> <span class="number">320</span><span class="gtkdoc opt">,</span> |
| <span class="string">"height"</span><span class="gtkdoc opt">,</span> G_TYPE_INT<span class="gtkdoc opt">,</span> <span class="number">240</span><span class="gtkdoc opt">,</span> |
| NULL<span class="gtkdoc opt">);</span></pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| |
| <p></p> |
| <p>A <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> is fixed when it has no properties with ranges or lists. Use |
| <a class="link" href="GstCaps.html#gst-caps-is-fixed" title="gst_caps_is_fixed ()"><code class="function">gst_caps_is_fixed()</code></a> to test for fixed caps. Fixed caps can be used in a |
| caps event to notify downstream elements of the current media type.</p> |
| <p>Various methods exist to work with the media types such as subtracting |
| or intersecting.</p> |
| <p>Be aware that the current <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> / <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> serialization into string |
| has limited support for nested <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> / <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> fields. It can only |
| support one level of nesting. Using more levels will lead to unexpected |
| behavior when using serialization features, such as <a class="link" href="GstCaps.html#gst-caps-to-string" title="gst_caps_to_string ()"><code class="function">gst_caps_to_string()</code></a> or |
| <a class="link" href="gstreamer-GstValue.html#gst-value-serialize" title="gst_value_serialize ()"><code class="function">gst_value_serialize()</code></a> and their counterparts.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GstCaps.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="GST-CAPS-REFCOUNT:CAPS"></a><h3>GST_CAPS_REFCOUNT()</h3> |
| <pre class="programlisting">#define GST_CAPS_REFCOUNT(caps) GST_MINI_OBJECT_REFCOUNT(caps) |
| </pre> |
| <p>Get access to the reference count field of the caps</p> |
| <div class="refsect3"> |
| <a name="GST-CAPS-REFCOUNT.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-CAPS-REFCOUNT-VALUE:CAPS"></a><h3>GST_CAPS_REFCOUNT_VALUE()</h3> |
| <pre class="programlisting">#define GST_CAPS_REFCOUNT_VALUE(caps) GST_MINI_OBJECT_REFCOUNT_VALUE(caps) |
| </pre> |
| <p>Get the reference count value of the caps.</p> |
| <div class="refsect3"> |
| <a name="GST-CAPS-REFCOUNT-VALUE.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-CAPS-IS-SIMPLE:CAPS"></a><h3>GST_CAPS_IS_SIMPLE()</h3> |
| <pre class="programlisting">#define GST_CAPS_IS_SIMPLE(caps) (gst_caps_get_size(caps) == 1) |
| </pre> |
| <p>Convenience macro that checks if the number of structures in the given caps |
| is exactly one.</p> |
| <div class="refsect3"> |
| <a name="GST-CAPS-IS-SIMPLE.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> instance to check</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-STATIC-CAPS"></a><h3>GST_STATIC_CAPS()</h3> |
| <pre class="programlisting">#define GST_STATIC_CAPS(string)</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> static caps from an input string. |
| This can be used in pad templates.</p> |
| <div class="refsect3"> |
| <a name="GST-STATIC-CAPS.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>string</p></td> |
| <td class="parameter_description"><p>the string describing the caps</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-CAPS-FLAGS:CAPS"></a><h3>GST_CAPS_FLAGS()</h3> |
| <pre class="programlisting">#define GST_CAPS_FLAGS(caps) GST_MINI_OBJECT_FLAGS(caps) |
| </pre> |
| <p>A flags word containing <a class="link" href="GstCaps.html#GstCapsFlags" title="enum GstCapsFlags"><span class="type">GstCapsFlags</span></a> flags set on this caps.</p> |
| <div class="refsect3"> |
| <a name="GST-CAPS-FLAGS.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-CAPS-FLAG-IS-SET:CAPS"></a><h3>GST_CAPS_FLAG_IS_SET()</h3> |
| <pre class="programlisting">#define GST_CAPS_FLAG_IS_SET(caps,flag) GST_MINI_OBJECT_FLAG_IS_SET (caps, flag) |
| </pre> |
| <p>Gives the status of a specific flag on a caps.</p> |
| <div class="refsect3"> |
| <a name="GST-CAPS-FLAG-IS-SET.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>flag</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html#GstCapsFlags" title="enum GstCapsFlags"><span class="type">GstCapsFlags</span></a> to check.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-CAPS-FLAG-SET:CAPS"></a><h3>GST_CAPS_FLAG_SET()</h3> |
| <pre class="programlisting">#define GST_CAPS_FLAG_SET(caps,flag) GST_MINI_OBJECT_FLAG_SET (caps, flag) |
| </pre> |
| <p>Sets a caps flag on a caps.</p> |
| <div class="refsect3"> |
| <a name="GST-CAPS-FLAG-SET.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>flag</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html#GstCapsFlags" title="enum GstCapsFlags"><span class="type">GstCapsFlags</span></a> to set.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-CAPS-FLAG-UNSET:CAPS"></a><h3>GST_CAPS_FLAG_UNSET()</h3> |
| <pre class="programlisting">#define GST_CAPS_FLAG_UNSET(caps,flag) GST_MINI_OBJECT_FLAG_UNSET (caps, flag) |
| </pre> |
| <p>Clears a caps flag.</p> |
| <div class="refsect3"> |
| <a name="GST-CAPS-FLAG-UNSET.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>flag</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html#GstCapsFlags" title="enum GstCapsFlags"><span class="type">GstCapsFlags</span></a> to clear.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstCapsForeachFunc"></a><h3>GstCapsForeachFunc ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| <span class="c_punctuation">(</span>*GstCapsForeachFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> *features</code></em>, |
| <em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *structure</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> |
| <p>A function that will be called in <a class="link" href="GstCaps.html#gst-caps-foreach" title="gst_caps_foreach ()"><code class="function">gst_caps_foreach()</code></a>. The function may |
| not modify <em class="parameter"><code>features</code></em> |
| or <em class="parameter"><code>structure</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="GstCapsForeachFunc.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>features</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>structure</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>user_data</p></td> |
| <td class="parameter_description"><p>user data</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="GstCapsForeachFunc.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the foreach operation should continue, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if |
| the foreach operation should stop with <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix03.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstCapsMapFunc"></a><h3>GstCapsMapFunc ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| <span class="c_punctuation">(</span>*GstCapsMapFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> *features</code></em>, |
| <em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *structure</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> |
| <p>A function that will be called in <a class="link" href="GstCaps.html#gst-caps-map-in-place" title="gst_caps_map_in_place ()"><code class="function">gst_caps_map_in_place()</code></a>. The function |
| may modify <em class="parameter"><code>features</code></em> |
| and <em class="parameter"><code>structure</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="GstCapsMapFunc.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>features</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>structure</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>user_data</p></td> |
| <td class="parameter_description"><p>user data</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="GstCapsMapFunc.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the map operation should continue, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if |
| the map operation should stop with <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstCapsFilterMapFunc"></a><h3>GstCapsFilterMapFunc ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| <span class="c_punctuation">(</span>*GstCapsFilterMapFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> *features</code></em>, |
| <em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *structure</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> |
| <p>A function that will be called in <a class="link" href="GstCaps.html#gst-caps-filter-and-map-in-place" title="gst_caps_filter_and_map_in_place ()"><code class="function">gst_caps_filter_and_map_in_place()</code></a>. |
| The function may modify <em class="parameter"><code>features</code></em> |
| and <em class="parameter"><code>structure</code></em> |
| , and both will be |
| removed from the caps if <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> is returned.</p> |
| <div class="refsect3"> |
| <a name="GstCapsFilterMapFunc.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>features</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>structure</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>user_data</p></td> |
| <td class="parameter_description"><p>user data</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="GstCapsFilterMapFunc.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the features and structure should be preserved, |
| <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if it should be removed.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-new-empty"></a><h3>gst_caps_new_empty ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_new_empty (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> that is empty. That is, the returned |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> contains no media formats. |
| The <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> is guaranteed to be writable. |
| Caller is responsible for unreffing the returned caps.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-new-empty.returns"></a><h4>Returns</h4> |
| <p> the new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-new-empty-simple"></a><h3>gst_caps_new_empty_simple ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_new_empty_simple (<em class="parameter"><code>const <span class="type">char</span> *media_type</code></em>);</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> that contains one <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> with name |
| <em class="parameter"><code>media_type</code></em> |
| . |
| Caller is responsible for unreffing the returned caps.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-new-empty-simple.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>media_type</p></td> |
| <td class="parameter_description"><p>the media type of the structure</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-new-empty-simple.returns"></a><h4>Returns</h4> |
| <p> the new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-new-any"></a><h3>gst_caps_new_any ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_new_any (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> that indicates that it is compatible with |
| any media format.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-new-any.returns"></a><h4>Returns</h4> |
| <p> the new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-new-simple"></a><h3>gst_caps_new_simple ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_new_simple (<em class="parameter"><code>const <span class="type">char</span> *media_type</code></em>, |
| <em class="parameter"><code>const <span class="type">char</span> *fieldname</code></em>, |
| <em class="parameter"><code>...</code></em>);</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> that contains one <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a>. The |
| structure is defined by the arguments, which have the same format |
| as <a class="link" href="GstStructure.html#gst-structure-new" title="gst_structure_new ()"><code class="function">gst_structure_new()</code></a>. |
| Caller is responsible for unreffing the returned caps.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-new-simple.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>media_type</p></td> |
| <td class="parameter_description"><p>the media type of the structure</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>fieldname</p></td> |
| <td class="parameter_description"><p>first field to set</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>...</p></td> |
| <td class="parameter_description"><p>additional arguments</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-new-simple.returns"></a><h4>Returns</h4> |
| <p> the new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-new-full"></a><h3>gst_caps_new_full ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_new_full (<em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *struct1</code></em>, |
| <em class="parameter"><code>...</code></em>);</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> and adds all the structures listed as |
| arguments. The list must be <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated. The structures |
| are not copied; the returned <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> owns the structures.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-new-full.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>struct1</p></td> |
| <td class="parameter_description"><p>the first structure to add</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>...</p></td> |
| <td class="parameter_description"><p>additional structures to add</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-new-full.returns"></a><h4>Returns</h4> |
| <p> the new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-new-full-valist"></a><h3>gst_caps_new_full_valist ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_new_full_valist (<em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *structure</code></em>, |
| <em class="parameter"><code><span class="type">va_list</span> var_args</code></em>);</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> and adds all the structures listed as |
| arguments. The list must be <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated. The structures |
| are not copied; the returned <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> owns the structures.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-new-full-valist.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>structure</p></td> |
| <td class="parameter_description"><p>the first structure to add</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>var_args</p></td> |
| <td class="parameter_description"><p>additional structures to add</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-new-full-valist.returns"></a><h4>Returns</h4> |
| <p> the new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-is-writable"></a><h3>gst_caps_is_writable()</h3> |
| <pre class="programlisting">#define gst_caps_is_writable(caps) gst_mini_object_is_writable (GST_MINI_OBJECT_CAST (caps)) |
| </pre> |
| <p>Tests if you can safely modify <em class="parameter"><code>caps</code></em> |
| . It is only safe to modify caps when |
| there is only one owner of the caps - ie, the object is writable.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-is-writable.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-copy"></a><h3>gst_caps_copy ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_copy (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> as a copy of the old <em class="parameter"><code>caps</code></em> |
| . The new caps will have a |
| refcount of 1, owned by the caller. The structures are copied as well.</p> |
| <p>Note that this function is the semantic equivalent of a <a class="link" href="GstCaps.html#gst-caps-ref" title="gst_caps_ref ()"><code class="function">gst_caps_ref()</code></a> |
| followed by a <a class="link" href="GstCaps.html#gst-caps-make-writable" title="gst_caps_make_writable()"><code class="function">gst_caps_make_writable()</code></a>. If you only want to hold on to a |
| reference to the data, you should use <a class="link" href="GstCaps.html#gst-caps-ref" title="gst_caps_ref ()"><code class="function">gst_caps_ref()</code></a>.</p> |
| <p>When you are finished with the caps, call <a class="link" href="GstCaps.html#gst-caps-unref" title="gst_caps_unref ()"><code class="function">gst_caps_unref()</code></a> on it.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-copy.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-copy.returns"></a><h4>Returns</h4> |
| <p> the new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-copy-nth"></a><h3>gst_caps_copy_nth ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_copy_nth (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>);</pre> |
| <p>Creates a new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> and appends a copy of the nth structure |
| contained in <em class="parameter"><code>caps</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-copy-nth.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to copy</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>nth</p></td> |
| <td class="parameter_description"><p>the nth structure to copy</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-copy-nth.returns"></a><h4>Returns</h4> |
| <p> the new <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-static-caps-get"></a><h3>gst_static_caps_get ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_static_caps_get (<em class="parameter"><code><a class="link" href="GstCaps.html#GstStaticCaps" title="struct GstStaticCaps"><span class="type">GstStaticCaps</span></a> *static_caps</code></em>);</pre> |
| <p>Converts a <a class="link" href="GstCaps.html#GstStaticCaps" title="struct GstStaticCaps"><span class="type">GstStaticCaps</span></a> to a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-static-caps-get.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>static_caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html#GstStaticCaps" title="struct GstStaticCaps"><span class="type">GstStaticCaps</span></a> to convert</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-static-caps-get.returns"></a><h4>Returns</h4> |
| <p> a pointer to the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. Unref after usage. |
| Since the core holds an additional ref to the returned caps, |
| use <a class="link" href="GstCaps.html#gst-caps-make-writable" title="gst_caps_make_writable()"><code class="function">gst_caps_make_writable()</code></a> on the returned caps to modify it. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-static-caps-cleanup"></a><h3>gst_static_caps_cleanup ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_static_caps_cleanup (<em class="parameter"><code><a class="link" href="GstCaps.html#GstStaticCaps" title="struct GstStaticCaps"><span class="type">GstStaticCaps</span></a> *static_caps</code></em>);</pre> |
| <p>Clean up the cached caps contained in <em class="parameter"><code>static_caps</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-static-caps-cleanup.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>static_caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html#GstStaticCaps" title="struct GstStaticCaps"><span class="type">GstStaticCaps</span></a> to clean</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-append"></a><h3>gst_caps_append ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_append (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps1</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps2</code></em>);</pre> |
| <p>Appends the structures contained in <em class="parameter"><code>caps2</code></em> |
| to <em class="parameter"><code>caps1</code></em> |
| . The structures in |
| <em class="parameter"><code>caps2</code></em> |
| are not copied -- they are transferred to <em class="parameter"><code>caps1</code></em> |
| , and then <em class="parameter"><code>caps2</code></em> |
| is |
| freed. If either caps is ANY, the resulting caps will be ANY.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-append.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps1</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> that will be appended to</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>caps2</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to append. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-merge"></a><h3>gst_caps_merge ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_merge (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps1</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps2</code></em>);</pre> |
| <p>Appends the structures contained in <em class="parameter"><code>caps2</code></em> |
| to <em class="parameter"><code>caps1</code></em> |
| if they are not yet |
| expressed by <em class="parameter"><code>caps1</code></em> |
| . The structures in <em class="parameter"><code>caps2</code></em> |
| are not copied -- they are |
| transferred to a writable copy of <em class="parameter"><code>caps1</code></em> |
| , and then <em class="parameter"><code>caps2</code></em> |
| is freed. |
| If either caps is ANY, the resulting caps will be ANY.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-merge.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps1</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> that will take the new entries. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>caps2</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to merge in. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-merge.returns"></a><h4>Returns</h4> |
| <p> the merged caps. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-append-structure"></a><h3>gst_caps_append_structure ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_append_structure (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *structure</code></em>);</pre> |
| <p>Appends <em class="parameter"><code>structure</code></em> |
| to <em class="parameter"><code>caps</code></em> |
| . The structure is not copied; <em class="parameter"><code>caps</code></em> |
| |
| becomes the owner of <em class="parameter"><code>structure</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-append-structure.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> that will be appended to</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>structure</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> to append. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-append-structure-full"></a><h3>gst_caps_append_structure_full ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_append_structure_full (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *structure</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> *features</code></em>);</pre> |
| <p>Appends <em class="parameter"><code>structure</code></em> |
| with <em class="parameter"><code>features</code></em> |
| to <em class="parameter"><code>caps</code></em> |
| . The structure is not copied; <em class="parameter"><code>caps</code></em> |
| |
| becomes the owner of <em class="parameter"><code>structure</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-append-structure-full.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> that will be appended to</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>structure</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> to append. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>features</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> to append. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.2">1.2</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-remove-structure"></a><h3>gst_caps_remove_structure ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_remove_structure (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> idx</code></em>);</pre> |
| <p>removes the structure with the given index from the list of structures |
| contained in <em class="parameter"><code>caps</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-remove-structure.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to remove from</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>idx</p></td> |
| <td class="parameter_description"><p>Index of the structure to remove</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-steal-structure"></a><h3>gst_caps_steal_structure ()</h3> |
| <pre class="programlisting"><a class="link" href="GstStructure.html" title="GstStructure"><span class="returnvalue">GstStructure</span></a> * |
| gst_caps_steal_structure (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> index</code></em>);</pre> |
| <p>Retrieves the structure with the given index from the list of structures |
| contained in <em class="parameter"><code>caps</code></em> |
| . The caller becomes the owner of the returned structure.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-steal-structure.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to retrieve from</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>index</p></td> |
| <td class="parameter_description"><p>Index of the structure to retrieve</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-steal-structure.returns"></a><h4>Returns</h4> |
| <p> a pointer to the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> corresponding |
| to <em class="parameter"><code>index</code></em> |
| . </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-merge-structure"></a><h3>gst_caps_merge_structure ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_merge_structure (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *structure</code></em>);</pre> |
| <p>Appends <em class="parameter"><code>structure</code></em> |
| to <em class="parameter"><code>caps</code></em> |
| if its not already expressed by <em class="parameter"><code>caps</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-merge-structure.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to merge into. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>structure</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> to merge. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-merge-structure.returns"></a><h4>Returns</h4> |
| <p> the merged caps. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-merge-structure-full"></a><h3>gst_caps_merge_structure_full ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCaps.html" title="GstCaps"><span class="returnvalue">GstCaps</span></a> * |
| gst_caps_merge_structure_full (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> *structure</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> *features</code></em>);</pre> |
| <p>Appends <em class="parameter"><code>structure</code></em> |
| with <em class="parameter"><code>features</code></em> |
| to <em class="parameter"><code>caps</code></em> |
| if its not already expressed by <em class="parameter"><code>caps</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-merge-structure-full.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to merge into. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>structure</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> to merge. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>features</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> to merge. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-merge-structure-full.returns"></a><h4>Returns</h4> |
| <p> the merged caps. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.2">1.2</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-get-size"></a><h3>gst_caps_get_size ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| gst_caps_get_size (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre> |
| <p>Gets the number of structures contained in <em class="parameter"><code>caps</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-get-size.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-get-size.returns"></a><h4>Returns</h4> |
| <p> the number of structures that <em class="parameter"><code>caps</code></em> |
| contains</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-get-structure"></a><h3>gst_caps_get_structure ()</h3> |
| <pre class="programlisting"><a class="link" href="GstStructure.html" title="GstStructure"><span class="returnvalue">GstStructure</span></a> * |
| gst_caps_get_structure (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> index</code></em>);</pre> |
| <p>Finds the structure in <em class="parameter"><code>caps</code></em> |
| that has the index <em class="parameter"><code>index</code></em> |
| , and |
| returns it.</p> |
| <p>WARNING: This function takes a const GstCaps *, but returns a |
| non-const GstStructure *. This is for programming convenience -- |
| the caller should be aware that structures inside a constant |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> should not be modified. However, if you know the caps |
| are writable, either because you have just copied them or made |
| them writable with <a class="link" href="GstCaps.html#gst-caps-make-writable" title="gst_caps_make_writable()"><code class="function">gst_caps_make_writable()</code></a>, you may modify the |
| structure returned in the usual way, e.g. with functions like |
| <a class="link" href="GstStructure.html#gst-structure-set" title="gst_structure_set ()"><code class="function">gst_structure_set()</code></a>.</p> |
| <p>You do not need to free or unref the structure returned, it |
| belongs to the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-get-structure.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>index</p></td> |
| <td class="parameter_description"><p>the index of the structure</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-get-structure.returns"></a><h4>Returns</h4> |
| <p> a pointer to the <a class="link" href="GstStructure.html" title="GstStructure"><span class="type">GstStructure</span></a> corresponding |
| to <em class="parameter"><code>index</code></em> |
| . </p> |
| <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-get-features"></a><h3>gst_caps_get_features ()</h3> |
| <pre class="programlisting"><a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="returnvalue">GstCapsFeatures</span></a> * |
| gst_caps_get_features (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> index</code></em>);</pre> |
| <p>Finds the features in <em class="parameter"><code>caps</code></em> |
| that has the index <em class="parameter"><code>index</code></em> |
| , and |
| returns it.</p> |
| <p>WARNING: This function takes a const GstCaps *, but returns a |
| non-const GstCapsFeatures *. This is for programming convenience -- |
| the caller should be aware that structures inside a constant |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> should not be modified. However, if you know the caps |
| are writable, either because you have just copied them or made |
| them writable with <a class="link" href="GstCaps.html#gst-caps-make-writable" title="gst_caps_make_writable()"><code class="function">gst_caps_make_writable()</code></a>, you may modify the |
| features returned in the usual way, e.g. with functions like |
| <a class="link" href="GstCapsFeatures.html#gst-caps-features-add" title="gst_caps_features_add ()"><code class="function">gst_caps_features_add()</code></a>.</p> |
| <p>You do not need to free or unref the structure returned, it |
| belongs to the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-get-features.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>index</p></td> |
| <td class="parameter_description"><p>the index of the structure</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-get-features.returns"></a><h4>Returns</h4> |
| <p> a pointer to the <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> corresponding |
| to <em class="parameter"><code>index</code></em> |
| . </p> |
| <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.2">1.2</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-set-features"></a><h3>gst_caps_set_features ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_set_features (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> index</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> *features</code></em>);</pre> |
| <p>Sets the <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> <em class="parameter"><code>features</code></em> |
| for the structure at <em class="parameter"><code>index</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-set-features.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>index</p></td> |
| <td class="parameter_description"><p>the index of the structure</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>features</p></td> |
| <td class="parameter_description"><p> the <a class="link" href="GstCapsFeatures.html" title="GstCapsFeatures"><span class="type">GstCapsFeatures</span></a> to set. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix06.html#api-index-1.2">1.2</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-set-value"></a><h3>gst_caps_set_value ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_set_value (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <span class="type">char</span> *field</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/gobjectgobject-Generic-values.html#GValue"><span class="type">GValue</span></a> *value</code></em>);</pre> |
| <p>Sets the given <em class="parameter"><code>field</code></em> |
| on all structures of <em class="parameter"><code>caps</code></em> |
| to the given <em class="parameter"><code>value</code></em> |
| . |
| This is a convenience function for calling <a class="link" href="GstStructure.html#gst-structure-set-value" title="gst_structure_set_value ()"><code class="function">gst_structure_set_value()</code></a> on |
| all structures of <em class="parameter"><code>caps</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-caps-set-value.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a writable caps</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>field</p></td> |
| <td class="parameter_description"><p>name of the field to set</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>value</p></td> |
| <td class="parameter_description"><p>value to set the field to</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-set-simple"></a><h3>gst_caps_set_simple ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_set_simple (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <span class="type">char</span> *field</code></em>, |
| <em class="parameter"><code>...</code></em>);</pre> |
| <p>Sets fields in a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. The arguments must be passed in the same |
| manner as <a class="link" href="GstStructure.html#gst-structure-set" title="gst_structure_set ()"><code class="function">gst_structure_set()</code></a>, and be <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-set-simple.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to set</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>field</p></td> |
| <td class="parameter_description"><p>first field to set</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>...</p></td> |
| <td class="parameter_description"><p>additional parameters</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-set-simple-valist"></a><h3>gst_caps_set_simple_valist ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_set_simple_valist (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <span class="type">char</span> *field</code></em>, |
| <em class="parameter"><code><span class="type">va_list</span> varargs</code></em>);</pre> |
| <p>Sets fields in a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. The arguments must be passed in the same |
| manner as <a class="link" href="GstStructure.html#gst-structure-set" title="gst_structure_set ()"><code class="function">gst_structure_set()</code></a>, and be <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-set-simple-valist.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to set</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>field</p></td> |
| <td class="parameter_description"><p>first field to set</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>varargs</p></td> |
| <td class="parameter_description"><p>additional parameters</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-foreach"></a><h3>gst_caps_foreach ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_caps_foreach (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCaps.html#GstCapsForeachFunc" title="GstCapsForeachFunc ()"><span class="type">GstCapsForeachFunc</span></a> func</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> |
| <p>Calls the provided function once for each structure and caps feature in the |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. The function must not modify the fields. |
| Also see <a class="link" href="GstCaps.html#gst-caps-map-in-place" title="gst_caps_map_in_place ()"><code class="function">gst_caps_map_in_place()</code></a> and <a class="link" href="GstCaps.html#gst-caps-filter-and-map-in-place" title="gst_caps_filter_and_map_in_place ()"><code class="function">gst_caps_filter_and_map_in_place()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-foreach.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>func</p></td> |
| <td class="parameter_description"><p> a function to call for each field. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid only during the call to the method."><span class="acronym">scope call</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>user_data</p></td> |
| <td class="parameter_description"><p> private data. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-foreach.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the supplied function returns <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> for each call, |
| <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix03.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-map-in-place"></a><h3>gst_caps_map_in_place ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_caps_map_in_place (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCaps.html#GstCapsMapFunc" title="GstCapsMapFunc ()"><span class="type">GstCapsMapFunc</span></a> func</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> |
| <p>Calls the provided function once for each structure and caps feature in the |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. In contrast to <a class="link" href="GstCaps.html#gst-caps-foreach" title="gst_caps_foreach ()"><code class="function">gst_caps_foreach()</code></a>, the function may modify but not |
| delete the structures and features. The caps must be mutable.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-map-in-place.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>func</p></td> |
| <td class="parameter_description"><p> a function to call for each field. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid only during the call to the method."><span class="acronym">scope call</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>user_data</p></td> |
| <td class="parameter_description"><p> private data. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-map-in-place.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the supplied function returns <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> for each call, |
| <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| <p class="since">Since: <a class="link" href="ix03.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-filter-and-map-in-place"></a><h3>gst_caps_filter_and_map_in_place ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_caps_filter_and_map_in_place (<em class="parameter"><code><a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a class="link" href="GstCaps.html#GstCapsFilterMapFunc" title="GstCapsFilterMapFunc ()"><span class="type">GstCapsFilterMapFunc</span></a> func</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> |
| <p>Calls the provided function once for each structure and caps feature in the |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>. In contrast to <a class="link" href="GstCaps.html#gst-caps-foreach" title="gst_caps_foreach ()"><code class="function">gst_caps_foreach()</code></a>, the function may modify the |
| structure and features. In contrast to <a class="link" href="GstCaps.html#gst-caps-filter-and-map-in-place" title="gst_caps_filter_and_map_in_place ()"><code class="function">gst_caps_filter_and_map_in_place()</code></a>, |
| the structure and features are removed from the caps if <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> is returned |
| from the function. |
| The caps must be mutable.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-filter-and-map-in-place.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>func</p></td> |
| <td class="parameter_description"><p> a function to call for each field. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid only during the call to the method."><span class="acronym">scope call</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>user_data</p></td> |
| <td class="parameter_description"><p> private data. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <p class="since">Since: <a class="link" href="ix03.html#api-index-1.6">1.6</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-is-any"></a><h3>gst_caps_is_any ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_caps_is_any (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre> |
| <p>Determines if <em class="parameter"><code>caps</code></em> |
| represents any media format.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-is-any.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to test</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-is-any.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>caps</code></em> |
| represents any format.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-is-empty"></a><h3>gst_caps_is_empty ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_caps_is_empty (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre> |
| <p>Determines if <em class="parameter"><code>caps</code></em> |
| represents no media formats.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-is-empty.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to test</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-is-empty.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>caps</code></em> |
| represents no formats.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-is-fixed"></a><h3>gst_caps_is_fixed ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_caps_is_fixed (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps</code></em>);</pre> |
| <p>Fixed <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> describe exactly one format, that is, they have exactly |
| one structure, and each field in the structure describes a fixed type. |
| Examples of non-fixed types are GST_TYPE_INT_RANGE and GST_TYPE_LIST.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-is-fixed.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to test</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-is-fixed.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>caps</code></em> |
| is fixed</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-is-equal"></a><h3>gst_caps_is_equal ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_caps_is_equal (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps1</code></em>, |
| <em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps2</code></em>);</pre> |
| <p>Checks if the given caps represent the same set of caps.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-is-equal.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps1</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>caps2</p></td> |
| <td class="parameter_description"><p>another <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-caps-is-equal.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if both caps are equal.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-caps-is-equal-fixed"></a><h3>gst_caps_is_equal_fixed ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_caps_is_equal_fixed (<em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps1</code></em>, |
| <em class="parameter"><code>const <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> *caps2</code></em>);</pre> |
| <p>Tests if two <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> are equal. This function only works on fixed |
| <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-caps-is-equal-fixed.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps1</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="GstCaps.html" title="GstCaps"><span class="type">GstCaps</span></a> to test</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
|
