unmaintained/gstreamer/plugins/app/GstApp-0.10.gir

   1 <?xml version="1.0"?>
   2 <!-- This file was automatically generated from C sources - DO NOT EDIT!
   3 To affect the contents of this file, edit the original C definitions,
   4 and/or use gtk-doc annotations.  -->
   5 <repository version="1.2"
   6             xmlns="http://www.gtk.org/introspection/core/1.0"
   7             xmlns:c="http://www.gtk.org/introspection/c/1.0"
   8             xmlns:glib="http://www.gtk.org/introspection/glib/1.0">
   9   <include name="GLib" version="2.0"/>
  10   <include name="GModule" version="2.0"/>
  11   <include name="GObject" version="2.0"/>
  12   <include name="Gst" version="0.10"/>
  13   <include name="GstBase" version="0.10"/>
  14   <include name="libxml2" version="2.0"/>
  15   <package name="gstreamer-app-0.10"/>
  16   <c:include name="gst/app/gstappbuffer.h"/>
  17   <c:include name="gst/app/gstappsink.h"/>
  18   <c:include name="gst/app/gstappsrc.h"/>
  19   <namespace name="GstApp"
  20              version="0.10"
  21              shared-library="libgstapp-0.10.so.0"
  22              c:identifier-prefixes="Gst"
  23              c:symbol-prefixes="gst">
  24     <class name="AppBuffer"
  25            c:symbol-prefix="app_buffer"
  26            c:type="GstAppBuffer"
  27            parent="Gst.Buffer"
  28            glib:type-name="GstAppBuffer"
  29            glib:get-type="gst_app_buffer_get_type"
  30            glib:type-struct="AppBufferClass"
  31            glib:fundamental="1">
  32       <constructor name="new"
  33                    c:identifier="gst_app_buffer_new"
  34                    introspectable="0">
  35         <return-value transfer-ownership="full">
  36           <type name="Gst.Buffer" c:type="GstBuffer*"/>
  37         </return-value>
  38         <parameters>
  39           <parameter name="data" transfer-ownership="none">
  40             <type name="gpointer" c:type="void*"/>
  41           </parameter>
  42           <parameter name="length" transfer-ownership="none">
  43             <type name="gint" c:type="int"/>
  44           </parameter>
  45           <parameter name="finalize" transfer-ownership="none">
  46             <type name="AppBufferFinalizeFunc"
  47                   c:type="GstAppBufferFinalizeFunc"/>
  48           </parameter>
  49           <parameter name="priv" transfer-ownership="none">
  50             <type name="gpointer" c:type="void*"/>
  51           </parameter>
  52         </parameters>
  53       </constructor>
  54       <field name="buffer">
  55         <type name="Gst.Buffer" c:type="GstBuffer"/>
  56       </field>
  57       <field name="finalize">
  58         <type name="AppBufferFinalizeFunc" c:type="GstAppBufferFinalizeFunc"/>
  59       </field>
  60       <field name="priv">
  61         <type name="gpointer" c:type="void*"/>
  62       </field>
  63     </class>
  64     <record name="AppBufferClass"
  65             c:type="GstAppBufferClass"
  66             glib:is-gtype-struct-for="AppBuffer">
  67       <field name="buffer_class">
  68         <type name="Gst.BufferClass" c:type="GstBufferClass"/>
  69       </field>
  70     </record>
  71     <callback name="AppBufferFinalizeFunc" c:type="GstAppBufferFinalizeFunc">
  72       <return-value transfer-ownership="none">
  73         <type name="none" c:type="void"/>
  74       </return-value>
  75       <parameters>
  76         <parameter name="priv" transfer-ownership="none">
  77           <type name="gpointer" c:type="void*"/>
  78         </parameter>
  79       </parameters>
  80     </callback>
  81     <class name="AppSink"
  82            c:symbol-prefix="app_sink"
  83            c:type="GstAppSink"
  84            parent="GstBase.BaseSink"
  85            glib:type-name="GstAppSink"
  86            glib:get-type="gst_app_sink_get_type"
  87            glib:type-struct="AppSinkClass">
  88       <implements name="Gst.URIHandler"/>
  89       <method name="get_caps"
  90               c:identifier="gst_app_sink_get_caps"
  91               version="0.10.22">
  92         <doc xml:whitespace="preserve">Get the configured caps on @appsink.</doc>
  93         <return-value transfer-ownership="full">
  94           <doc xml:whitespace="preserve">the #GstCaps accepted by the sink. gst_caps_unref() after usage.</doc>
  95           <type name="Gst.Caps" c:type="GstCaps*"/>
  96         </return-value>
  97       </method>
  98       <method name="get_drop"
  99               c:identifier="gst_app_sink_get_drop"
 100               version="0.10.22">
 101         <doc xml:whitespace="preserve">Check if @appsink will drop old buffers when the maximum amount of queued
 102 buffers is reached.
 103 filled.</doc>
 104         <return-value transfer-ownership="none">
 105           <doc xml:whitespace="preserve">%TRUE if @appsink is dropping old buffers when the queue is</doc>
 106           <type name="gboolean" c:type="gboolean"/>
 107         </return-value>
 108       </method>
 109       <method name="get_emit_signals"
 110               c:identifier="gst_app_sink_get_emit_signals"
 111               version="0.10.22">
 112         <doc xml:whitespace="preserve">Check if appsink will emit the "new-preroll" and "new-buffer" signals.
 113 signals.</doc>
 114         <return-value transfer-ownership="none">
 115           <doc xml:whitespace="preserve">%TRUE if @appsink is emiting the "new-preroll" and "new-buffer"</doc>
 116           <type name="gboolean" c:type="gboolean"/>
 117         </return-value>
 118       </method>
 119       <method name="get_max_buffers"
 120               c:identifier="gst_app_sink_get_max_buffers"
 121               version="0.10.22">
 122         <doc xml:whitespace="preserve">Get the maximum amount of buffers that can be queued in @appsink.</doc>
 123         <return-value transfer-ownership="none">
 124           <doc xml:whitespace="preserve">The maximum amount of buffers that can be queued.</doc>
 125           <type name="guint" c:type="guint"/>
 126         </return-value>
 127       </method>
 128       <method name="is_eos"
 129               c:identifier="gst_app_sink_is_eos"
 130               version="0.10.22">
 131         <doc xml:whitespace="preserve">Check if @appsink is EOS, which is when no more buffers can be pulled because
 132 an EOS event was received.
 133 This function also returns %TRUE when the appsink is not in the PAUSED or
 134 PLAYING state.</doc>
 135         <return-value transfer-ownership="none">
 136           <doc xml:whitespace="preserve">%TRUE if no more buffers can be pulled and the appsink is EOS.</doc>
 137           <type name="gboolean" c:type="gboolean"/>
 138         </return-value>
 139       </method>
 140       <method name="pull_buffer"
 141               c:identifier="gst_app_sink_pull_buffer"
 142               version="0.10.22"
 143               introspectable="0">
 144         <doc xml:whitespace="preserve">This function blocks until a buffer or EOS becomes available or the appsink
 145 element is set to the READY/NULL state.
 146 This function will only return buffers when the appsink is in the PLAYING
 147 state. All rendered buffers will be put in a queue so that the application
 148 can pull buffers at its own rate. Note that when the application does not
 149 pull buffers fast enough, the queued buffers could consume a lot of memory,
 150 especially when dealing with raw video frames.
 151 If an EOS event was received before any buffers, this function returns
 152 %NULL. Use gst_app_sink_is_eos () to check for the EOS condition.</doc>
 153         <return-value>
 154           <doc xml:whitespace="preserve">a #GstBuffer or NULL when the appsink is stopped or EOS.</doc>
 155           <type name="Gst.Buffer" c:type="GstBuffer*"/>
 156         </return-value>
 157       </method>
 158       <method name="pull_buffer_list"
 159               c:identifier="gst_app_sink_pull_buffer_list"
 160               introspectable="0">
 161         <doc xml:whitespace="preserve">This function blocks until a buffer list or EOS becomes available or the
 162 appsink element is set to the READY/NULL state.
 163 This function will only return buffer lists when the appsink is in the
 164 PLAYING state. All rendered buffer lists will be put in a queue so that
 165 the application can pull buffer lists at its own rate. Note that when
 166 the application does not pull buffer lists fast enough, the queued buffer
 167 lists could consume a lot of memory, especially when dealing with raw
 168 video frames.
 169 If an EOS event was received before any buffer lists, this function returns
 170 %NULL. Use gst_app_sink_is_eos () to check for the EOS condition.</doc>
 171         <return-value>
 172           <doc xml:whitespace="preserve">a #GstBufferList or NULL when the appsink is stopped or EOS.</doc>
 173           <type name="Gst.BufferList" c:type="GstBufferList*"/>
 174         </return-value>
 175       </method>
 176       <method name="pull_preroll"
 177               c:identifier="gst_app_sink_pull_preroll"
 178               version="0.10.22"
 179               introspectable="0">
 180         <doc xml:whitespace="preserve">Get the last preroll buffer in @appsink. This was the buffer that caused the
 181 appsink to preroll in the PAUSED state. This buffer can be pulled many times
 182 and remains available to the application even after EOS.
 183 This function is typically used when dealing with a pipeline in the PAUSED
 184 state. Calling this function after doing a seek will give the buffer right
 185 after the seek position.
 186 Note that the preroll buffer will also be returned as the first buffer
 187 when calling gst_app_sink_pull_buffer().
 188 If an EOS event was received before any buffers, this function returns
 189 %NULL. Use gst_app_sink_is_eos () to check for the EOS condition.
 190 This function blocks until a preroll buffer or EOS is received or the appsink
 191 element is set to the READY/NULL state.</doc>
 192         <return-value>
 193           <doc xml:whitespace="preserve">a #GstBuffer or NULL when the appsink is stopped or EOS.</doc>
 194           <type name="Gst.Buffer" c:type="GstBuffer*"/>
 195         </return-value>
 196       </method>
 197       <method name="set_callbacks"
 198               c:identifier="gst_app_sink_set_callbacks"
 199               version="0.10.23">
 200         <doc xml:whitespace="preserve">Set callbacks which will be executed for each new preroll, new buffer and eos.
 201 This is an alternative to using the signals, it has lower overhead and is thus
 202 less expensive, but also less flexible.
 203 If callbacks are installed, no signals will be emited for performance
 204 reasons.</doc>
 205         <return-value transfer-ownership="none">
 206           <type name="none" c:type="void"/>
 207         </return-value>
 208         <parameters>
 209           <parameter name="callbacks" transfer-ownership="none">
 210             <doc xml:whitespace="preserve">the callbacks</doc>
 211             <type name="AppSinkCallbacks" c:type="GstAppSinkCallbacks*"/>
 212           </parameter>
 213           <parameter name="user_data" transfer-ownership="none">
 214             <doc xml:whitespace="preserve">a user_data argument for the callbacks</doc>
 215             <type name="gpointer" c:type="gpointer"/>
 216           </parameter>
 217           <parameter name="notify" transfer-ownership="none" scope="async">
 218             <doc xml:whitespace="preserve">a destroy notify function</doc>
 219             <type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
 220           </parameter>
 221         </parameters>
 222       </method>
 223       <method name="set_caps"
 224               c:identifier="gst_app_sink_set_caps"
 225               version="0.10.22">
 226         <doc xml:whitespace="preserve">Set the capabilities on the appsink element.  This function takes
 227 a copy of the caps structure. After calling this method, the sink will only
 228 accept caps that match @caps. If @caps is non-fixed, you must check the caps
 229 on the buffers to get the actual used caps.</doc>
 230         <return-value transfer-ownership="none">
 231           <type name="none" c:type="void"/>
 232         </return-value>
 233         <parameters>
 234           <parameter name="caps" transfer-ownership="none">
 235             <doc xml:whitespace="preserve">caps to set</doc>
 236             <type name="Gst.Caps" c:type="GstCaps*"/>
 237           </parameter>
 238         </parameters>
 239       </method>
 240       <method name="set_drop"
 241               c:identifier="gst_app_sink_set_drop"
 242               version="0.10.22">
 243         <doc xml:whitespace="preserve">Instruct @appsink to drop old buffers when the maximum amount of queued
 244 buffers is reached.</doc>
 245         <return-value transfer-ownership="none">
 246           <type name="none" c:type="void"/>
 247         </return-value>
 248         <parameters>
 249           <parameter name="drop" transfer-ownership="none">
 250             <doc xml:whitespace="preserve">the new state</doc>
 251             <type name="gboolean" c:type="gboolean"/>
 252           </parameter>
 253         </parameters>
 254       </method>
 255       <method name="set_emit_signals"
 256               c:identifier="gst_app_sink_set_emit_signals"
 257               version="0.10.22">
 258         <doc xml:whitespace="preserve">Make appsink emit the "new-preroll" and "new-buffer" signals. This option is
 259 by default disabled because signal emission is expensive and unneeded when
 260 the application prefers to operate in pull mode.</doc>
 261         <return-value transfer-ownership="none">
 262           <type name="none" c:type="void"/>
 263         </return-value>
 264         <parameters>
 265           <parameter name="emit" transfer-ownership="none">
 266             <doc xml:whitespace="preserve">the new state</doc>
 267             <type name="gboolean" c:type="gboolean"/>
 268           </parameter>
 269         </parameters>
 270       </method>
 271       <method name="set_max_buffers"
 272               c:identifier="gst_app_sink_set_max_buffers"
 273               version="0.10.22">
 274         <doc xml:whitespace="preserve">Set the maximum amount of buffers that can be queued in @appsink. After this
 275 amount of buffers are queued in appsink, any more buffers will block upstream
 276 elements until a buffer is pulled from @appsink.</doc>
 277         <return-value transfer-ownership="none">
 278           <type name="none" c:type="void"/>
 279         </return-value>
 280         <parameters>
 281           <parameter name="max" transfer-ownership="none">
 282             <doc xml:whitespace="preserve">the maximum number of buffers to queue</doc>
 283             <type name="guint" c:type="guint"/>
 284           </parameter>
 285         </parameters>
 286       </method>
 287       <property name="caps" writable="1" transfer-ownership="none">
 288         <type name="Gst.Caps"/>
 289       </property>
 290       <property name="drop" writable="1" transfer-ownership="none">
 291         <type name="gboolean"/>
 292       </property>
 293       <property name="emit-signals" writable="1" transfer-ownership="none">
 294         <type name="gboolean"/>
 295       </property>
 296       <property name="eos" transfer-ownership="none">
 297         <type name="gboolean"/>
 298       </property>
 299       <property name="max-buffers" writable="1" transfer-ownership="none">
 300         <type name="guint"/>
 301       </property>
 302       <field name="basesink">
 303         <type name="GstBase.BaseSink" c:type="GstBaseSink"/>
 304       </field>
 305       <field name="priv">
 306         <type name="AppSinkPrivate" c:type="GstAppSinkPrivate*"/>
 307       </field>
 308       <field name="_gst_reserved">
 309         <array zero-terminated="0" c:type="gpointer" fixed-size="4">
 310           <type name="gpointer" c:type="gpointer"/>
 311         </array>
 312       </field>
 313       <glib:signal name="eos">
 314         <doc xml:whitespace="preserve">Signal that the end-of-stream has been reached. This signal is emited from
 315 the steaming thread.</doc>
 316         <return-value transfer-ownership="none">
 317           <type name="none"/>
 318         </return-value>
 319       </glib:signal>
 320       <glib:signal name="new-buffer">
 321         <doc xml:whitespace="preserve">Signal that a new buffer is available.
 322 This signal is emited from the steaming thread and only when the
 323 "emit-signals" property is %TRUE.
 324 The new buffer can be retrieved with the "pull-buffer" action
 325 signal or gst_app_sink_pull_buffer() either from this signal callback
 326 or from any other thread.
 327 Note that this signal is only emited when the "emit-signals" property is
 328 set to %TRUE, which it is not by default for performance reasons.</doc>
 329         <return-value transfer-ownership="none">
 330           <type name="none"/>
 331         </return-value>
 332       </glib:signal>
 333       <glib:signal name="new-buffer-list">
 334         <doc xml:whitespace="preserve">Signal that a new bufferlist is available.
 335 This signal is emited from the steaming thread and only when the
 336 "emit-signals" property is %TRUE.
 337 The new buffer can be retrieved with the "pull-buffer-list" action
 338 signal or gst_app_sink_pull_buffer_list() either from this signal callback
 339 or from any other thread.
 340 Note that this signal is only emited when the "emit-signals" property is
 341 set to %TRUE, which it is not by default for performance reasons.</doc>
 342         <return-value transfer-ownership="none">
 343           <type name="none"/>
 344         </return-value>
 345       </glib:signal>
 346       <glib:signal name="new-preroll">
 347         <doc xml:whitespace="preserve">Signal that a new preroll buffer is available.
 348 This signal is emited from the steaming thread and only when the
 349 "emit-signals" property is %TRUE.
 350 The new preroll buffer can be retrieved with the "pull-preroll" action
 351 signal or gst_app_sink_pull_preroll() either from this signal callback
 352 or from any other thread.
 353 Note that this signal is only emited when the "emit-signals" property is
 354 set to %TRUE, which it is not by default for performance reasons.</doc>
 355         <return-value transfer-ownership="none">
 356           <type name="none"/>
 357         </return-value>
 358       </glib:signal>
 359       <glib:signal name="pull-buffer" introspectable="0">
 360         <doc xml:whitespace="preserve">This function blocks until a buffer or EOS becomes available or the appsink
 361 element is set to the READY/NULL state.
 362 This function will only return buffers when the appsink is in the PLAYING
 363 state. All rendered buffers will be put in a queue so that the application
 364 can pull buffers at its own rate.
 365 Note that when the application does not pull buffers fast enough, the
 366 queued buffers could consume a lot of memory, especially when dealing with
 367 raw video frames. It's possible to control the behaviour of the queue with
 368 the "drop" and "max-buffers" properties.
 369 If an EOS event was received before any buffers, this function returns
 370 %NULL. Use gst_app_sink_is_eos () to check for the EOS condition.</doc>
 371         <return-value>
 372           <doc xml:whitespace="preserve">a #GstBuffer or NULL when the appsink is stopped or EOS.</doc>
 373           <type name="Gst.Buffer"/>
 374         </return-value>
 375       </glib:signal>
 376       <glib:signal name="pull-buffer-list" introspectable="0">
 377         <doc xml:whitespace="preserve">This function blocks until a buffer list or EOS becomes available or the appsink
 378 element is set to the READY/NULL state.
 379 This function will only return bufferlists when the appsink is in the PLAYING
 380 state. All rendered bufferlists will be put in a queue so that the application
 381 can pull bufferlists at its own rate.
 382 Note that when the application does not pull bufferlists fast enough, the
 383 queued bufferlists could consume a lot of memory, especially when dealing with
 384 raw video frames. It's possible to control the behaviour of the queue with
 385 the "drop" and "max-buffers" properties.
 386 If an EOS event was received before any buffers, this function returns
 387 %NULL. Use gst_app_sink_is_eos () to check for the EOS condition.</doc>
 388         <return-value>
 389           <doc xml:whitespace="preserve">a #GstBufferList or NULL when the appsink is stopped or EOS.</doc>
 390           <type name="Gst.BufferList"/>
 391         </return-value>
 392       </glib:signal>
 393       <glib:signal name="pull-preroll" introspectable="0">
 394         <doc xml:whitespace="preserve">Get the last preroll buffer in @appsink. This was the buffer that caused the
 395 appsink to preroll in the PAUSED state. This buffer can be pulled many times
 396 and remains available to the application even after EOS.
 397 This function is typically used when dealing with a pipeline in the PAUSED
 398 state. Calling this function after doing a seek will give the buffer right
 399 after the seek position.
 400 Note that the preroll buffer will also be returned as the first buffer
 401 when calling gst_app_sink_pull_buffer() or the "pull-buffer" action signal.
 402 If an EOS event was received before any buffers, this function returns
 403 %NULL. Use gst_app_sink_is_eos () to check for the EOS condition.
 404 This function blocks until a preroll buffer or EOS is received or the appsink
 405 element is set to the READY/NULL state.</doc>
 406         <return-value>
 407           <doc xml:whitespace="preserve">a #GstBuffer or NULL when the appsink is stopped or EOS.</doc>
 408           <type name="Gst.Buffer"/>
 409         </return-value>
 410       </glib:signal>
 411     </class>
 412     <record name="AppSinkCallbacks"
 413             c:type="GstAppSinkCallbacks"
 414             version="0.10.23">
 415       <doc xml:whitespace="preserve">A set of callbacks that can be installed on the appsink with
 416 gst_app_sink_set_callbacks().</doc>
 417       <field name="eos">
 418         <callback name="eos">
 419           <return-value transfer-ownership="none">
 420             <type name="none" c:type="void"/>
 421           </return-value>
 422           <parameters>
 423             <parameter name="sink" transfer-ownership="none">
 424               <type name="AppSink" c:type="GstAppSink*"/>
 425             </parameter>
 426             <parameter name="user_data" transfer-ownership="none" closure="1">
 427               <type name="gpointer" c:type="gpointer"/>
 428             </parameter>
 429           </parameters>
 430         </callback>
 431       </field>
 432       <field name="new_preroll">
 433         <callback name="new_preroll">
 434           <return-value transfer-ownership="none">
 435             <type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
 436           </return-value>
 437           <parameters>
 438             <parameter name="sink" transfer-ownership="none">
 439               <type name="AppSink" c:type="GstAppSink*"/>
 440             </parameter>
 441             <parameter name="user_data" transfer-ownership="none" closure="1">
 442               <type name="gpointer" c:type="gpointer"/>
 443             </parameter>
 444           </parameters>
 445         </callback>
 446       </field>
 447       <field name="new_buffer">
 448         <callback name="new_buffer">
 449           <return-value transfer-ownership="none">
 450             <type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
 451           </return-value>
 452           <parameters>
 453             <parameter name="sink" transfer-ownership="none">
 454               <type name="AppSink" c:type="GstAppSink*"/>
 455             </parameter>
 456             <parameter name="user_data" transfer-ownership="none" closure="1">
 457               <type name="gpointer" c:type="gpointer"/>
 458             </parameter>
 459           </parameters>
 460         </callback>
 461       </field>
 462       <field name="new_buffer_list">
 463         <callback name="new_buffer_list">
 464           <return-value transfer-ownership="none">
 465             <type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
 466           </return-value>
 467           <parameters>
 468             <parameter name="sink" transfer-ownership="none">
 469               <type name="AppSink" c:type="GstAppSink*"/>
 470             </parameter>
 471             <parameter name="user_data" transfer-ownership="none" closure="1">
 472               <type name="gpointer" c:type="gpointer"/>
 473             </parameter>
 474           </parameters>
 475         </callback>
 476       </field>
 477       <field name="_gst_reserved" writable="1">
 478         <array zero-terminated="0" c:type="gpointer" fixed-size="3">
 479           <type name="gpointer" c:type="gpointer"/>
 480         </array>
 481       </field>
 482     </record>
 483     <record name="AppSinkClass"
 484             c:type="GstAppSinkClass"
 485             glib:is-gtype-struct-for="AppSink">
 486       <field name="basesink_class">
 487         <type name="GstBase.BaseSinkClass" c:type="GstBaseSinkClass"/>
 488       </field>
 489       <field name="eos">
 490         <callback name="eos">
 491           <return-value transfer-ownership="none">
 492             <type name="none" c:type="void"/>
 493           </return-value>
 494           <parameters>
 495             <parameter name="sink" transfer-ownership="none">
 496               <type name="AppSink" c:type="GstAppSink*"/>
 497             </parameter>
 498           </parameters>
 499         </callback>
 500       </field>
 501       <field name="new_preroll">
 502         <callback name="new_preroll">
 503           <return-value transfer-ownership="none">
 504             <type name="none" c:type="void"/>
 505           </return-value>
 506           <parameters>
 507             <parameter name="sink" transfer-ownership="none">
 508               <type name="AppSink" c:type="GstAppSink*"/>
 509             </parameter>
 510           </parameters>
 511         </callback>
 512       </field>
 513       <field name="new_buffer">
 514         <callback name="new_buffer">
 515           <return-value transfer-ownership="none">
 516             <type name="none" c:type="void"/>
 517           </return-value>
 518           <parameters>
 519             <parameter name="sink" transfer-ownership="none">
 520               <type name="AppSink" c:type="GstAppSink*"/>
 521             </parameter>
 522           </parameters>
 523         </callback>
 524       </field>
 525       <field name="pull_preroll" introspectable="0">
 526         <callback name="pull_preroll" introspectable="0">
 527           <return-value>
 528             <type name="Gst.Buffer" c:type="GstBuffer*"/>
 529           </return-value>
 530           <parameters>
 531             <parameter name="sink" transfer-ownership="none">
 532               <type name="AppSink" c:type="GstAppSink*"/>
 533             </parameter>
 534           </parameters>
 535         </callback>
 536       </field>
 537       <field name="pull_buffer" introspectable="0">
 538         <callback name="pull_buffer" introspectable="0">
 539           <return-value>
 540             <type name="Gst.Buffer" c:type="GstBuffer*"/>
 541           </return-value>
 542           <parameters>
 543             <parameter name="sink" transfer-ownership="none">
 544               <type name="AppSink" c:type="GstAppSink*"/>
 545             </parameter>
 546           </parameters>
 547         </callback>
 548       </field>
 549       <field name="new_buffer_list" introspectable="0">
 550         <callback name="new_buffer_list" introspectable="0">
 551           <return-value>
 552             <type name="Gst.BufferList" c:type="GstBufferList*"/>
 553           </return-value>
 554           <parameters>
 555             <parameter name="sink" transfer-ownership="none">
 556               <type name="AppSink" c:type="GstAppSink*"/>
 557             </parameter>
 558           </parameters>
 559         </callback>
 560       </field>
 561       <field name="pull_buffer_list" introspectable="0">
 562         <callback name="pull_buffer_list" introspectable="0">
 563           <return-value>
 564             <type name="Gst.BufferList" c:type="GstBufferList*"/>
 565           </return-value>
 566           <parameters>
 567             <parameter name="sink" transfer-ownership="none">
 568               <type name="AppSink" c:type="GstAppSink*"/>
 569             </parameter>
 570           </parameters>
 571         </callback>
 572       </field>
 573       <field name="_gst_reserved">
 574         <array zero-terminated="0" c:type="gpointer" fixed-size="2">
 575           <type name="gpointer" c:type="gpointer"/>
 576         </array>
 577       </field>
 578     </record>
 579     <record name="AppSinkPrivate" c:type="GstAppSinkPrivate" disguised="1">
 580     </record>
 581     <class name="AppSrc"
 582            c:symbol-prefix="app_src"
 583            c:type="GstAppSrc"
 584            parent="GstBase.BaseSrc"
 585            glib:type-name="GstAppSrc"
 586            glib:get-type="gst_app_src_get_type"
 587            glib:type-struct="AppSrcClass">
 588       <implements name="Gst.URIHandler"/>
 589       <method name="end_of_stream"
 590               c:identifier="gst_app_src_end_of_stream"
 591               version="0.10.22">
 592         <doc xml:whitespace="preserve">Indicates to the appsrc element that the last buffer queued in the
 593 element is the last buffer of the stream.
 594 #GST_FLOW_WRONG_STATE when @appsrc is not PAUSED or PLAYING.</doc>
 595         <return-value transfer-ownership="none">
 596           <doc xml:whitespace="preserve">#GST_FLOW_OK when the EOS was successfuly queued.</doc>
 597           <type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
 598         </return-value>
 599       </method>
 600       <method name="get_caps"
 601               c:identifier="gst_app_src_get_caps"
 602               version="0.10.22">
 603         <doc xml:whitespace="preserve">Get the configured caps on @appsrc.</doc>
 604         <return-value transfer-ownership="full">
 605           <doc xml:whitespace="preserve">the #GstCaps produced by the source. gst_caps_unref() after usage.</doc>
 606           <type name="Gst.Caps" c:type="GstCaps*"/>
 607         </return-value>
 608       </method>
 609       <method name="get_emit_signals"
 610               c:identifier="gst_app_src_get_emit_signals"
 611               version="0.10.23">
 612         <doc xml:whitespace="preserve">Check if appsrc will emit the "new-preroll" and "new-buffer" signals.
 613 signals.</doc>
 614         <return-value transfer-ownership="none">
 615           <doc xml:whitespace="preserve">%TRUE if @appsrc is emiting the "new-preroll" and "new-buffer"</doc>
 616           <type name="gboolean" c:type="gboolean"/>
 617         </return-value>
 618       </method>
 619       <method name="get_latency"
 620               c:identifier="gst_app_src_get_latency"
 621               version="0.10.22">
 622         <doc xml:whitespace="preserve">Retrieve the min and max latencies in @min and @max respectively.</doc>
 623         <return-value transfer-ownership="none">
 624           <type name="none" c:type="void"/>
 625         </return-value>
 626         <parameters>
 627           <parameter name="min" transfer-ownership="none">
 628             <doc xml:whitespace="preserve">the min latency</doc>
 629             <type name="guint64" c:type="guint64*"/>
 630           </parameter>
 631           <parameter name="max" transfer-ownership="none">
 632             <doc xml:whitespace="preserve">the min latency</doc>
 633             <type name="guint64" c:type="guint64*"/>
 634           </parameter>
 635         </parameters>
 636       </method>
 637       <method name="get_max_bytes"
 638               c:identifier="gst_app_src_get_max_bytes"
 639               version="0.10.22">
 640         <doc xml:whitespace="preserve">Get the maximum amount of bytes that can be queued in @appsrc.</doc>
 641         <return-value transfer-ownership="none">
 642           <doc xml:whitespace="preserve">The maximum amount of bytes that can be queued.</doc>
 643           <type name="guint64" c:type="guint64"/>
 644         </return-value>
 645       </method>
 646       <method name="get_size"
 647               c:identifier="gst_app_src_get_size"
 648               version="0.10.22">
 649         <doc xml:whitespace="preserve">Get the size of the stream in bytes. A value of -1 means that the size is
 650 not known.</doc>
 651         <return-value transfer-ownership="none">
 652           <doc xml:whitespace="preserve">the size of the stream previously set with gst_app_src_set_size();</doc>
 653           <type name="gint64" c:type="gint64"/>
 654         </return-value>
 655       </method>
 656       <method name="get_stream_type"
 657               c:identifier="gst_app_src_get_stream_type"
 658               version="0.10.22">
 659         <doc xml:whitespace="preserve">Get the stream type. Control the stream type of @appsrc
 660 with gst_app_src_set_stream_type().</doc>
 661         <return-value transfer-ownership="none">
 662           <doc xml:whitespace="preserve">the stream type.</doc>
 663           <type name="AppStreamType" c:type="GstAppStreamType"/>
 664         </return-value>
 665       </method>
 666       <method name="push_buffer"
 667               c:identifier="gst_app_src_push_buffer"
 668               version="0.10.22">
 669         <doc xml:whitespace="preserve">Adds a buffer to the queue of buffers that the appsrc element will
 670 push to its source pad.  This function takes ownership of the buffer.
 671 When the block property is TRUE, this function can block until free
 672 space becomes available in the queue.
 673 #GST_FLOW_WRONG_STATE when @appsrc is not PAUSED or PLAYING.
 674 #GST_FLOW_UNEXPECTED when EOS occured.</doc>
 675         <return-value transfer-ownership="none">
 676           <doc xml:whitespace="preserve">#GST_FLOW_OK when the buffer was successfuly queued.</doc>
 677           <type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
 678         </return-value>
 679         <parameters>
 680           <parameter name="buffer" transfer-ownership="none">
 681             <doc xml:whitespace="preserve">a #GstBuffer to push</doc>
 682             <type name="Gst.Buffer" c:type="GstBuffer*"/>
 683           </parameter>
 684         </parameters>
 685       </method>
 686       <method name="set_callbacks"
 687               c:identifier="gst_app_src_set_callbacks"
 688               version="0.10.23">
 689         <doc xml:whitespace="preserve">Set callbacks which will be executed when data is needed, enough data has
 690 been collected or when a seek should be performed.
 691 This is an alternative to using the signals, it has lower overhead and is thus
 692 less expensive, but also less flexible.
 693 If callbacks are installed, no signals will be emited for performance
 694 reasons.</doc>
 695         <return-value transfer-ownership="none">
 696           <type name="none" c:type="void"/>
 697         </return-value>
 698         <parameters>
 699           <parameter name="callbacks" transfer-ownership="none">
 700             <doc xml:whitespace="preserve">the callbacks</doc>
 701             <type name="AppSrcCallbacks" c:type="GstAppSrcCallbacks*"/>
 702           </parameter>
 703           <parameter name="user_data" transfer-ownership="none">
 704             <doc xml:whitespace="preserve">a user_data argument for the callbacks</doc>
 705             <type name="gpointer" c:type="gpointer"/>
 706           </parameter>
 707           <parameter name="notify" transfer-ownership="none" scope="async">
 708             <doc xml:whitespace="preserve">a destroy notify function</doc>
 709             <type name="GLib.DestroyNotify" c:type="GDestroyNotify"/>
 710           </parameter>
 711         </parameters>
 712       </method>
 713       <method name="set_caps"
 714               c:identifier="gst_app_src_set_caps"
 715               version="0.10.22">
 716         <doc xml:whitespace="preserve">Set the capabilities on the appsrc element.  This function takes
 717 a copy of the caps structure. After calling this method, the source will
 718 only produce caps that match @caps. @caps must be fixed and the caps on the
 719 buffers must match the caps or left NULL.</doc>
 720         <return-value transfer-ownership="none">
 721           <type name="none" c:type="void"/>
 722         </return-value>
 723         <parameters>
 724           <parameter name="caps" transfer-ownership="none">
 725             <doc xml:whitespace="preserve">caps to set</doc>
 726             <type name="Gst.Caps" c:type="GstCaps*"/>
 727           </parameter>
 728         </parameters>
 729       </method>
 730       <method name="set_emit_signals"
 731               c:identifier="gst_app_src_set_emit_signals"
 732               version="0.10.23">
 733         <doc xml:whitespace="preserve">Make appsrc emit the "new-preroll" and "new-buffer" signals. This option is
 734 by default disabled because signal emission is expensive and unneeded when
 735 the application prefers to operate in pull mode.</doc>
 736         <return-value transfer-ownership="none">
 737           <type name="none" c:type="void"/>
 738         </return-value>
 739         <parameters>
 740           <parameter name="emit" transfer-ownership="none">
 741             <doc xml:whitespace="preserve">the new state</doc>
 742             <type name="gboolean" c:type="gboolean"/>
 743           </parameter>
 744         </parameters>
 745       </method>
 746       <method name="set_latency"
 747               c:identifier="gst_app_src_set_latency"
 748               version="0.10.22">
 749         <doc xml:whitespace="preserve">Configure the @min and @max latency in @src. If @min is set to -1, the
 750 default latency calculations for pseudo-live sources will be used.</doc>
 751         <return-value transfer-ownership="none">
 752           <type name="none" c:type="void"/>
 753         </return-value>
 754         <parameters>
 755           <parameter name="min" transfer-ownership="none">
 756             <doc xml:whitespace="preserve">the min latency</doc>
 757             <type name="guint64" c:type="guint64"/>
 758           </parameter>
 759           <parameter name="max" transfer-ownership="none">
 760             <doc xml:whitespace="preserve">the min latency</doc>
 761             <type name="guint64" c:type="guint64"/>
 762           </parameter>
 763         </parameters>
 764       </method>
 765       <method name="set_max_bytes"
 766               c:identifier="gst_app_src_set_max_bytes"
 767               version="0.10.22">
 768         <doc xml:whitespace="preserve">Set the maximum amount of bytes that can be queued in @appsrc.
 769 After the maximum amount of bytes are queued, @appsrc will emit the
 770 "enough-data" signal.</doc>
 771         <return-value transfer-ownership="none">
 772           <type name="none" c:type="void"/>
 773         </return-value>
 774         <parameters>
 775           <parameter name="max" transfer-ownership="none">
 776             <doc xml:whitespace="preserve">the maximum number of bytes to queue</doc>
 777             <type name="guint64" c:type="guint64"/>
 778           </parameter>
 779         </parameters>
 780       </method>
 781       <method name="set_size"
 782               c:identifier="gst_app_src_set_size"
 783               version="0.10.22">
 784         <doc xml:whitespace="preserve">Set the size of the stream in bytes. A value of -1 means that the size is
 785 not known.</doc>
 786         <return-value transfer-ownership="none">
 787           <type name="none" c:type="void"/>
 788         </return-value>
 789         <parameters>
 790           <parameter name="size" transfer-ownership="none">
 791             <doc xml:whitespace="preserve">the size to set</doc>
 792             <type name="gint64" c:type="gint64"/>
 793           </parameter>
 794         </parameters>
 795       </method>
 796       <method name="set_stream_type"
 797               c:identifier="gst_app_src_set_stream_type"
 798               version="0.10.22">
 799         <doc xml:whitespace="preserve">Set the stream type on @appsrc. For seekable streams, the "seek" signal must
 800 be connected to.
 801 A stream_type stream</doc>
 802         <return-value transfer-ownership="none">
 803           <type name="none" c:type="void"/>
 804         </return-value>
 805         <parameters>
 806           <parameter name="type" transfer-ownership="none">
 807             <doc xml:whitespace="preserve">the new state</doc>
 808             <type name="AppStreamType" c:type="GstAppStreamType"/>
 809           </parameter>
 810         </parameters>
 811       </method>
 812       <property name="block" writable="1" transfer-ownership="none">
 813         <type name="gboolean"/>
 814       </property>
 815       <property name="caps" writable="1" transfer-ownership="none">
 816         <type name="Gst.Caps"/>
 817       </property>
 818       <property name="emit-signals" writable="1" transfer-ownership="none">
 819         <type name="gboolean"/>
 820       </property>
 821       <property name="format"
 822                 introspectable="0"
 823                 writable="1"
 824                 transfer-ownership="none">
 825         <type/>
 826       </property>
 827       <property name="is-live" writable="1" transfer-ownership="none">
 828         <type name="gboolean"/>
 829       </property>
 830       <property name="max-bytes" writable="1" transfer-ownership="none">
 831         <type name="guint64"/>
 832       </property>
 833       <property name="max-latency" writable="1" transfer-ownership="none">
 834         <type name="gint64"/>
 835       </property>
 836       <property name="min-latency" writable="1" transfer-ownership="none">
 837         <type name="gint64"/>
 838       </property>
 839       <property name="min-percent" writable="1" transfer-ownership="none">
 840         <type name="guint"/>
 841       </property>
 842       <property name="size" writable="1" transfer-ownership="none">
 843         <type name="gint64"/>
 844       </property>
 845       <property name="stream-type" writable="1" transfer-ownership="none">
 846         <type name="AppStreamType"/>
 847       </property>
 848       <field name="basesrc">
 849         <type name="GstBase.BaseSrc" c:type="GstBaseSrc"/>
 850       </field>
 851       <field name="priv">
 852         <type name="AppSrcPrivate" c:type="GstAppSrcPrivate*"/>
 853       </field>
 854       <field name="_gst_reserved">
 855         <array zero-terminated="0" c:type="gpointer" fixed-size="4">
 856           <type name="gpointer" c:type="gpointer"/>
 857         </array>
 858       </field>
 859       <glib:signal name="end-of-stream" introspectable="0">
 860         <doc xml:whitespace="preserve">Notify @appsrc that no more buffer are available.</doc>
 861         <return-value>
 862           <type/>
 863         </return-value>
 864       </glib:signal>
 865       <glib:signal name="enough-data">
 866         <doc xml:whitespace="preserve">Signal that the source has enough data. It is recommended that the
 867 application stops calling push-buffer until the need-data signal is
 868 emited again to avoid excessive buffer queueing.</doc>
 869         <return-value transfer-ownership="none">
 870           <type name="none"/>
 871         </return-value>
 872       </glib:signal>
 873       <glib:signal name="need-data">
 874         <doc xml:whitespace="preserve">Signal that the source needs more data. In the callback or from another
 875 thread you should call push-buffer or end-of-stream.
 876 pushed into @appsrc.
 877 You can call push-buffer multiple times until the enough-data signal is
 878 fired.</doc>
 879         <return-value transfer-ownership="none">
 880           <type name="none"/>
 881         </return-value>
 882         <parameters>
 883           <parameter name="object" transfer-ownership="none">
 884             <doc xml:whitespace="preserve">the amount of bytes needed.</doc>
 885             <type name="guint"/>
 886           </parameter>
 887         </parameters>
 888       </glib:signal>
 889       <glib:signal name="push-buffer" introspectable="0">
 890         <doc xml:whitespace="preserve">Adds a buffer to the queue of buffers that the appsrc element will
 891 push to its source pad. This function does not take ownership of the
 892 buffer so the buffer needs to be unreffed after calling this function.
 893 When the block property is TRUE, this function can block until free space
 894 becomes available in the queue.</doc>
 895         <return-value>
 896           <type/>
 897         </return-value>
 898         <parameters>
 899           <parameter name="object" transfer-ownership="none">
 900             <doc xml:whitespace="preserve">a buffer to push</doc>
 901             <type name="Gst.Buffer"/>
 902           </parameter>
 903         </parameters>
 904       </glib:signal>
 905       <glib:signal name="seek-data">
 906         <doc xml:whitespace="preserve">Seek to the given offset. The next push-buffer should produce buffers from
 907 the new @offset.
 908 This callback is only called for seekable stream types.</doc>
 909         <return-value transfer-ownership="none">
 910           <doc xml:whitespace="preserve">%TRUE if the seek succeeded.</doc>
 911           <type name="gboolean"/>
 912         </return-value>
 913         <parameters>
 914           <parameter name="object" transfer-ownership="none">
 915             <doc xml:whitespace="preserve">the offset to seek to</doc>
 916             <type name="guint64"/>
 917           </parameter>
 918         </parameters>
 919       </glib:signal>
 920     </class>
 921     <record name="AppSrcCallbacks"
 922             c:type="GstAppSrcCallbacks"
 923             version="0.10.23">
 924       <doc xml:whitespace="preserve">A set of callbacks that can be installed on the appsrc with
 925 gst_app_src_set_callbacks().</doc>
 926       <field name="need_data">
 927         <callback name="need_data">
 928           <return-value transfer-ownership="none">
 929             <type name="none" c:type="void"/>
 930           </return-value>
 931           <parameters>
 932             <parameter name="src" transfer-ownership="none">
 933               <type name="AppSrc" c:type="GstAppSrc*"/>
 934             </parameter>
 935             <parameter name="length" transfer-ownership="none">
 936               <type name="guint" c:type="guint"/>
 937             </parameter>
 938             <parameter name="user_data" transfer-ownership="none" closure="2">
 939               <type name="gpointer" c:type="gpointer"/>
 940             </parameter>
 941           </parameters>
 942         </callback>
 943       </field>
 944       <field name="enough_data">
 945         <callback name="enough_data">
 946           <return-value transfer-ownership="none">
 947             <type name="none" c:type="void"/>
 948           </return-value>
 949           <parameters>
 950             <parameter name="src" transfer-ownership="none">
 951               <type name="AppSrc" c:type="GstAppSrc*"/>
 952             </parameter>
 953             <parameter name="user_data" transfer-ownership="none" closure="1">
 954               <type name="gpointer" c:type="gpointer"/>
 955             </parameter>
 956           </parameters>
 957         </callback>
 958       </field>
 959       <field name="seek_data">
 960         <callback name="seek_data">
 961           <return-value transfer-ownership="none">
 962             <type name="gboolean" c:type="gboolean"/>
 963           </return-value>
 964           <parameters>
 965             <parameter name="src" transfer-ownership="none">
 966               <type name="AppSrc" c:type="GstAppSrc*"/>
 967             </parameter>
 968             <parameter name="offset" transfer-ownership="none">
 969               <type name="guint64" c:type="guint64"/>
 970             </parameter>
 971             <parameter name="user_data" transfer-ownership="none" closure="2">
 972               <type name="gpointer" c:type="gpointer"/>
 973             </parameter>
 974           </parameters>
 975         </callback>
 976       </field>
 977       <field name="_gst_reserved" writable="1">
 978         <array zero-terminated="0" c:type="gpointer" fixed-size="4">
 979           <type name="gpointer" c:type="gpointer"/>
 980         </array>
 981       </field>
 982     </record>
 983     <record name="AppSrcClass"
 984             c:type="GstAppSrcClass"
 985             glib:is-gtype-struct-for="AppSrc">
 986       <field name="basesrc_class">
 987         <type name="GstBase.BaseSrcClass" c:type="GstBaseSrcClass"/>
 988       </field>
 989       <field name="need_data">
 990         <callback name="need_data">
 991           <return-value transfer-ownership="none">
 992             <type name="none" c:type="void"/>
 993           </return-value>
 994           <parameters>
 995             <parameter name="src" transfer-ownership="none">
 996               <type name="AppSrc" c:type="GstAppSrc*"/>
 997             </parameter>
 998             <parameter name="length" transfer-ownership="none">
 999               <type name="guint" c:type="guint"/>
1000             </parameter>
1001           </parameters>
1002         </callback>
1003       </field>
1004       <field name="enough_data">
1005         <callback name="enough_data">
1006           <return-value transfer-ownership="none">
1007             <type name="none" c:type="void"/>
1008           </return-value>
1009           <parameters>
1010             <parameter name="src" transfer-ownership="none">
1011               <type name="AppSrc" c:type="GstAppSrc*"/>
1012             </parameter>
1013           </parameters>
1014         </callback>
1015       </field>
1016       <field name="seek_data">
1017         <callback name="seek_data">
1018           <return-value transfer-ownership="none">
1019             <type name="gboolean" c:type="gboolean"/>
1020           </return-value>
1021           <parameters>
1022             <parameter name="src" transfer-ownership="none">
1023               <type name="AppSrc" c:type="GstAppSrc*"/>
1024             </parameter>
1025             <parameter name="offset" transfer-ownership="none">
1026               <type name="guint64" c:type="guint64"/>
1027             </parameter>
1028           </parameters>
1029         </callback>
1030       </field>
1031       <field name="push_buffer">
1032         <callback name="push_buffer">
1033           <return-value transfer-ownership="none">
1034             <type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
1035           </return-value>
1036           <parameters>
1037             <parameter name="src" transfer-ownership="none">
1038               <type name="AppSrc" c:type="GstAppSrc*"/>
1039             </parameter>
1040             <parameter name="buffer" transfer-ownership="none">
1041               <type name="Gst.Buffer" c:type="GstBuffer*"/>
1042             </parameter>
1043           </parameters>
1044         </callback>
1045       </field>
1046       <field name="end_of_stream">
1047         <callback name="end_of_stream">
1048           <return-value transfer-ownership="none">
1049             <type name="Gst.FlowReturn" c:type="GstFlowReturn"/>
1050           </return-value>
1051           <parameters>
1052             <parameter name="src" transfer-ownership="none">
1053               <type name="AppSrc" c:type="GstAppSrc*"/>
1054             </parameter>
1055           </parameters>
1056         </callback>
1057       </field>
1058       <field name="_gst_reserved">
1059         <array zero-terminated="0" c:type="gpointer" fixed-size="4">
1060           <type name="gpointer" c:type="gpointer"/>
1061         </array>
1062       </field>
1063     </record>
1064     <record name="AppSrcPrivate" c:type="GstAppSrcPrivate" disguised="1">
1065     </record>
1066     <enumeration name="AppStreamType"
1067                  glib:type-name="GstAppStreamType"
1068                  glib:get-type="gst_app_stream_type_get_type"
1069                  c:type="GstAppStreamType">
1070       <doc xml:whitespace="preserve">The stream type.</doc>
1071       <member name="stream"
1072               value="0"
1073               c:identifier="GST_APP_STREAM_TYPE_STREAM"
1074               glib:nick="stream"/>
1075       <member name="seekable"
1076               value="1"
1077               c:identifier="GST_APP_STREAM_TYPE_SEEKABLE"
1078               glib:nick="seekable"/>
1079       <member name="random_access"
1080               value="2"
1081               c:identifier="GST_APP_STREAM_TYPE_RANDOM_ACCESS"
1082               glib:nick="random-access"/>
1083     </enumeration>
1084   </namespace>
1085 </repository>