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struct <a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseClass" title="struct GstBaseParseClass">GstBaseParseClass</a>;
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<span class="returnvalue">void</span> <a class="link" href="gstreamer-libs-GstBaseParse.html#gst-base-parse-set-duration" title="gst_base_parse_set_duration ()">gst_base_parse_set_duration</a> (<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParse" title="struct GstBaseParse"><span class="type">GstBaseParse</span></a> *parse</code></em>,
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<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> fmt</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> duration</code></em>,
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<em class="parameter"><code><span class="type">gint64</span> duration</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> interval</code></em>);
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<span class="returnvalue">void</span> <a class="link" href="gstreamer-libs-GstBaseParse.html#gst-base-parse-set-average-bitrate" title="gst_base_parse_set_average_bitrate ()">gst_base_parse_set_average_bitrate</a> (<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParse" title="struct GstBaseParse"><span class="type">GstBaseParse</span></a> *parse</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> bitrate</code></em>);
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> lead_out</code></em>);
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<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gstreamer-libs-GstBaseParse.html#gst-base-parse-convert-default" title="gst_base_parse_convert_default ()">gst_base_parse_convert_default</a> (<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParse" title="struct GstBaseParse"><span class="type">GstBaseParse</span></a> *parse</code></em>,
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<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> src_format</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> src_value</code></em>,
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<em class="parameter"><code><span class="type">gint64</span> src_value</code></em>,
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<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> dest_format</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> *dest_value</code></em>);
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<em class="parameter"><code><span class="type">gint64</span> *dest_value</code></em>);
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<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="gstreamer-libs-GstBaseParse.html#gst-base-parse-add-index-entry" title="gst_base_parse_add_index_entry ()">gst_base_parse_add_index_entry</a> (<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParse" title="struct GstBaseParse"><span class="type">GstBaseParse</span></a> *parse</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> offset</code></em>,
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<em class="parameter"><code><span class="type">guint64</span> offset</code></em>,
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<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> ts</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> key</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> force</code></em>);
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<a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrame" title="GstBaseParseFrame">GstBaseParseFrame</a>;
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enum <a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrameFlags" title="enum GstBaseParseFrameFlags">GstBaseParseFrameFlags</a>;
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<a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrame" title="GstBaseParseFrame"><span class="returnvalue">GstBaseParseFrame</span></a> * <a class="link" href="gstreamer-libs-GstBaseParse.html#gst-base-parse-frame-new" title="gst_base_parse_frame_new ()">gst_base_parse_frame_new</a> (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
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<a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrame" title="GstBaseParseFrame"><span class="returnvalue">GstBaseParseFrame</span></a> * <a class="link" href="gstreamer-libs-GstBaseParse.html#gst-base-parse-frame-new" title="gst_base_parse_frame_new ()">gst_base_parse_frame_new</a> (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
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<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrameFlags" title="enum GstBaseParseFrameFlags"><span class="type">GstBaseParseFrameFlags</span></a> flags</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> overhead</code></em>);
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<span class="returnvalue">void</span> <a class="link" href="gstreamer-libs-GstBaseParse.html#gst-base-parse-frame-init" title="gst_base_parse_frame_init ()">gst_base_parse_frame_init</a> (<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrame" title="GstBaseParseFrame"><span class="type">GstBaseParseFrame</span></a> *frame</code></em>);
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contain a valid frame, this call must return FALSE and optionally
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set the <em class="parameter"><code>skipsize</code></em> value to inform base class that how many bytes
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it needs to skip in order to find a valid frame. <em class="parameter"><code>framesize</code></em> can always
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indicate a new minimum for current frame parsing. The passed buffer
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indicate a new minimum for current frame parsing. Indicating G_MAXUINT
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for requested amount means subclass simply needs best available
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subsequent data. In push mode this amounts to an additional input buffer
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(thus minimal additional latency), in pull mode this amounts to some
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arbitrary reasonable buffer size increase. The passed buffer
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is read-only. Note that <em class="parameter"><code>check_valid_frame</code></em> might receive any small
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amount of input data when leftover data is being drained (e.g. at EOS).
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<li class="listitem"><p>
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Finally the buffer can be pushed downstream and the parsing loop starts
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over again. Just prior to actually pushing the buffer in question,
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it is passed to <em class="parameter"><code>pre_push_buffer</code></em> which gives subclass yet one
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it is passed to <em class="parameter"><code>pre_push_frame</code></em> which gives subclass yet one
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last chance to examine buffer metadata, or to send some custom (tag)
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events, or to perform custom (segment) filtering.
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Event handler on the source pad. Should return TRUE
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if the event was handled and can be dropped.</td>
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<td><p><span class="term"><em class="structfield"><code><a name="GstBaseParseClass.get-sink-caps"></a>get_sink_caps</code></em> ()</span></p></td>
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<td>allows the subclass to do its own sink get caps if needed.
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<td><p><span class="term"><em class="structfield"><code><a name="GstBaseParseClass.detect"></a>detect</code></em> ()</span></p></td>
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Called until it doesn't return GST_FLOW_OK anymore for
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the first buffers. Can be used by the subclass to detect
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the stream format. Since: 0.10.36</td>
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<a name="gst-base-parse-set-duration"></a><h3>gst_base_parse_set_duration ()</h3>
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<pre class="programlisting"><span class="returnvalue">void</span> gst_base_parse_set_duration (<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParse" title="struct GstBaseParse"><span class="type">GstBaseParse</span></a> *parse</code></em>,
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<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> fmt</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> duration</code></em>,
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<em class="parameter"><code><span class="type">gint64</span> duration</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> interval</code></em>);</pre>
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Sets the duration of the currently playing media. Subclass can use this
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parsing, and the parser should operate in passthrough mode (which only
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applies when operating in push mode). That is, incoming buffers are
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pushed through unmodified, i.e. no <em class="parameter"><code>check_valid_frame</code></em> or <em class="parameter"><code>parse_frame</code></em>
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callbacks will be invoked, but <em class="parameter"><code>pre_push_buffer</code></em> will still be invoked,
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callbacks will be invoked, but <em class="parameter"><code>pre_push_frame</code></em> will still be invoked,
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so subclass can perform as much or as little is appropriate for
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passthrough semantics in <em class="parameter"><code>pre_push_buffer</code></em>.
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passthrough semantics in <em class="parameter"><code>pre_push_frame</code></em>.
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<a name="gst-base-parse-convert-default"></a><h3>gst_base_parse_convert_default ()</h3>
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<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_base_parse_convert_default (<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParse" title="struct GstBaseParse"><span class="type">GstBaseParse</span></a> *parse</code></em>,
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<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> src_format</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> src_value</code></em>,
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<em class="parameter"><code><span class="type">gint64</span> src_value</code></em>,
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<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstFormat.html#GstFormat"><span class="type">GstFormat</span></a> dest_format</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> *dest_value</code></em>);</pre>
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<em class="parameter"><code><span class="type">gint64</span> *dest_value</code></em>);</pre>
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Default implementation of "convert" vmethod in <a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParse" title="struct GstBaseParse"><span class="type">GstBaseParse</span></a> class.
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<div class="refsect2">
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<a name="gst-base-parse-add-index-entry"></a><h3>gst_base_parse_add_index_entry ()</h3>
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<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> gst_base_parse_add_index_entry (<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParse" title="struct GstBaseParse"><span class="type">GstBaseParse</span></a> *parse</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> offset</code></em>,
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<em class="parameter"><code><span class="type">guint64</span> offset</code></em>,
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<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> ts</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> key</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> force</code></em>);</pre>
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<td><p><a name="GST-BASE-PARSE-FRAME-FLAG-CLIP:CAPS"></a><span class="term"><code class="literal">GST_BASE_PARSE_FRAME_FLAG_CLIP</code></span></p></td>
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<em class="parameter"><code>pre_push_buffer</code></em> can set this to indicate
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<em class="parameter"><code>pre_push_frame</code></em> can set this to indicate
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that regular segment clipping can still be performed (as opposed to
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any custom one having been done).
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<div class="refsect2">
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<a name="gst-base-parse-frame-new"></a><h3>gst_base_parse_frame_new ()</h3>
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<pre class="programlisting"><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrame" title="GstBaseParseFrame"><span class="returnvalue">GstBaseParseFrame</span></a> * gst_base_parse_frame_new (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
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<pre class="programlisting"><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrame" title="GstBaseParseFrame"><span class="returnvalue">GstBaseParseFrame</span></a> * gst_base_parse_frame_new (<em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
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<em class="parameter"><code><a class="link" href="gstreamer-libs-GstBaseParse.html#GstBaseParseFrameFlags" title="enum GstBaseParseFrameFlags"><span class="type">GstBaseParseFrameFlags</span></a> flags</code></em>,
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<em class="parameter"><code><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> overhead</code></em>);</pre>
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A <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="type">GstFlowReturn</span></a> that can be returned from parse_frame to
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indicate that no output buffer was generated, or from pre_push_buffer to
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indicate that no output buffer was generated, or from pre_push_frame to
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to forego pushing buffer.
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<p class="since">Since 0.10.33</p>