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| <div class="refentry"> |
| <a name="gst-plugins-base-libs-gstvideoutils"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstvideoutils.top_of_page"></a>gstvideoutils</span></h2> |
| <p>gstvideoutils</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstvideoutils.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="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-FLAGS:CAPS" title="GST_VIDEO_CODEC_FRAME_FLAGS()">GST_VIDEO_CODEC_FRAME_FLAGS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-FLAG-IS-SET:CAPS" title="GST_VIDEO_CODEC_FRAME_FLAG_IS_SET()">GST_VIDEO_CODEC_FRAME_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="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-FLAG-SET:CAPS" title="GST_VIDEO_CODEC_FRAME_FLAG_SET()">GST_VIDEO_CODEC_FRAME_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="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-FLAG-UNSET:CAPS" title="GST_VIDEO_CODEC_FRAME_FLAG_UNSET()">GST_VIDEO_CODEC_FRAME_FLAG_UNSET</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-IS-DECODE-ONLY:CAPS" title="GST_VIDEO_CODEC_FRAME_IS_DECODE_ONLY()">GST_VIDEO_CODEC_FRAME_IS_DECODE_ONLY</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-IS-FORCE-KEYFRAME:CAPS" title="GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME()">GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-IS-FORCE-KEYFRAME-HEADERS:CAPS" title="GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME_HEADERS()">GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME_HEADERS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-IS-SYNC-POINT:CAPS" title="GST_VIDEO_CODEC_FRAME_IS_SYNC_POINT()">GST_VIDEO_CODEC_FRAME_IS_SYNC_POINT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-SET-DECODE-ONLY:CAPS" title="GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY()">GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-SET-FORCE-KEYFRAME:CAPS" title="GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME()">GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-SET-FORCE-KEYFRAME-HEADERS:CAPS" title="GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME_HEADERS()">GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME_HEADERS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-SET-SYNC-POINT:CAPS" title="GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT()">GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-UNSET-FORCE-KEYFRAME:CAPS" title="GST_VIDEO_CODEC_FRAME_UNSET_FORCE_KEYFRAME()">GST_VIDEO_CODEC_FRAME_UNSET_FORCE_KEYFRAME</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-UNSET-FORCE-KEYFRAME-HEADERS:CAPS" title="GST_VIDEO_CODEC_FRAME_UNSET_FORCE_KEYFRAME_HEADERS()">GST_VIDEO_CODEC_FRAME_UNSET_FORCE_KEYFRAME_HEADERS</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="define_keyword">#define</td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GST-VIDEO-CODEC-FRAME-UNSET-SYNC-POINT:CAPS" title="GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT()">GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT</a><span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="returnvalue">GstVideoCodecFrame</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#gst-video-codec-frame-ref" title="gst_video_codec_frame_ref ()">gst_video_codec_frame_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="gst-plugins-base-libs-gstvideoutils.html#gst-video-codec-frame-unref" title="gst_video_codec_frame_unref ()">gst_video_codec_frame_unref</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="gst-plugins-base-libs-gstvideoutils.html#gst-video-codec-frame-set-user-data" title="gst_video_codec_frame_set_user_data ()">gst_video_codec_frame_set_user_data</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#gst-video-codec-frame-get-user-data" title="gst_video_codec_frame_get_user_data ()">gst_video_codec_frame_get_user_data</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecState" title="struct GstVideoCodecState"><span class="returnvalue">GstVideoCodecState</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#gst-video-codec-state-ref" title="gst_video_codec_state_ref ()">gst_video_codec_state_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="gst-plugins-base-libs-gstvideoutils.html#gst-video-codec-state-unref" title="gst_video_codec_state_unref ()">gst_video_codec_state_unref</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstvideoutils.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="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame">GstVideoCodecFrame</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrameFlags" title="enum GstVideoCodecFrameFlags">GstVideoCodecFrameFlags</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecState" title="struct GstVideoCodecState">GstVideoCodecState</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstvideoutils.description"></a><h2>Description</h2> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstvideoutils.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-FLAGS:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_FLAGS()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_FLAGS(frame) ((frame)->flags) |
| </pre> |
| <p>The entire set of flags for the <em class="parameter"><code>frame</code></em> |
| </p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-FLAG-IS-SET:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_FLAG_IS_SET()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_FLAG_IS_SET(frame,flag) !!(GST_VIDEO_CODEC_FRAME_FLAGS(frame) & (flag)) |
| </pre> |
| <p>Checks whether the given <em class="parameter"><code>flag</code></em> |
| is set</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>flag</p></td> |
| <td class="parameter_description"><p>a flag to check for</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-FLAG-SET:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_FLAG_SET()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_FLAG_SET(frame,flag) (GST_VIDEO_CODEC_FRAME_FLAGS(frame) |= (flag)) |
| </pre> |
| <p>This macro sets the given bits</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>flag</p></td> |
| <td class="parameter_description"><p>Flag to set, can be any number of bits in guint32.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-FLAG-UNSET:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_FLAG_UNSET()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_FLAG_UNSET(frame,flag) (GST_VIDEO_CODEC_FRAME_FLAGS(frame) &= ~(flag)) |
| </pre> |
| <p>This macro usets the given bits.</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>flag</p></td> |
| <td class="parameter_description"><p>Flag to unset</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-IS-DECODE-ONLY:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_IS_DECODE_ONLY()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_IS_DECODE_ONLY(frame) (GST_VIDEO_CODEC_FRAME_FLAG_IS_SET(frame, GST_VIDEO_CODEC_FRAME_FLAG_DECODE_ONLY)) |
| </pre> |
| <p>Tests if the buffer should only be decoded but not sent downstream.</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-IS-DECODE-ONLY.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-IS-FORCE-KEYFRAME:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME(frame) (GST_VIDEO_CODEC_FRAME_FLAG_IS_SET(frame, GST_VIDEO_CODEC_FRAME_FLAG_FORCE_KEYFRAME)) |
| </pre> |
| <p>Tests if the frame must be encoded as a keyframe. Applies only to |
| frames provided to encoders. Decoders can safely ignore this field.</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-IS-FORCE-KEYFRAME.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-IS-FORCE-KEYFRAME-HEADERS:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME_HEADERS()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME_HEADERS(frame) (GST_VIDEO_CODEC_FRAME_FLAG_IS_SET(frame, GST_VIDEO_CODEC_FRAME_FLAG_FORCE_KEYFRAME_HEADERS)) |
| </pre> |
| <p>Tests if encoder should output stream headers before outputting the |
| resulting encoded buffer for the given frame.</p> |
| <p>Applies only to frames provided to encoders. Decoders can safely |
| ignore this field.</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-IS-FORCE-KEYFRAME-HEADERS.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-IS-SYNC-POINT:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_IS_SYNC_POINT()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_IS_SYNC_POINT(frame) (GST_VIDEO_CODEC_FRAME_FLAG_IS_SET(frame, GST_VIDEO_CODEC_FRAME_FLAG_SYNC_POINT)) |
| </pre> |
| <p>Tests if the frame is a synchronization point (like a keyframe).</p> |
| <p>Decoder implementations can use this to detect keyframes.</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-IS-SYNC-POINT.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-SET-DECODE-ONLY:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_SET_DECODE_ONLY(frame) (GST_VIDEO_CODEC_FRAME_FLAG_SET(frame, GST_VIDEO_CODEC_FRAME_FLAG_DECODE_ONLY)) |
| </pre> |
| <p>Sets the buffer to not be sent downstream.</p> |
| <p>Decoder implementation can use this if they have frames that |
| are not meant to be displayed.</p> |
| <p>Encoder implementation can safely ignore this field.</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-SET-DECODE-ONLY.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-SET-FORCE-KEYFRAME:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME(frame) (GST_VIDEO_CODEC_FRAME_FLAG_SET(frame, GST_VIDEO_CODEC_FRAME_FLAG_FORCE_KEYFRAME)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-SET-FORCE-KEYFRAME-HEADERS:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME_HEADERS()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_SET_FORCE_KEYFRAME_HEADERS(frame) (GST_VIDEO_CODEC_FRAME_FLAG_SET(frame, GST_VIDEO_CODEC_FRAME_FLAG_FORCE_KEYFRAME_HEADERS)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-SET-SYNC-POINT:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_SET_SYNC_POINT(frame) (GST_VIDEO_CODEC_FRAME_FLAG_SET(frame, GST_VIDEO_CODEC_FRAME_FLAG_SYNC_POINT)) |
| </pre> |
| <p>Sets the frame to be a synchronization point (like a keyframe).</p> |
| <p>Encoder implementations should set this accordingly.</p> |
| <p>Decoder implementing parsing features should set this when they |
| detect such a synchronization point.</p> |
| <div class="refsect3"> |
| <a name="GST-VIDEO-CODEC-FRAME-SET-SYNC-POINT.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-UNSET-FORCE-KEYFRAME:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_UNSET_FORCE_KEYFRAME()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_UNSET_FORCE_KEYFRAME(frame) (GST_VIDEO_CODEC_FRAME_FLAG_UNSET(frame, GST_VIDEO_CODEC_FRAME_FLAG_FORCE_KEYFRAME)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-UNSET-FORCE-KEYFRAME-HEADERS:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_UNSET_FORCE_KEYFRAME_HEADERS()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_UNSET_FORCE_KEYFRAME_HEADERS(frame) (GST_VIDEO_CODEC_FRAME_FLAG_UNSET(frame, GST_VIDEO_CODEC_FRAME_FLAG_FORCE_KEYFRAME_HEADERS)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GST-VIDEO-CODEC-FRAME-UNSET-SYNC-POINT:CAPS"></a><h3>GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT()</h3> |
| <pre class="programlisting">#define GST_VIDEO_CODEC_FRAME_UNSET_SYNC_POINT(frame) (GST_VIDEO_CODEC_FRAME_FLAG_UNSET(frame, GST_VIDEO_CODEC_FRAME_FLAG_SYNC_POINT)) |
| </pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-codec-frame-ref"></a><h3>gst_video_codec_frame_ref ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="returnvalue">GstVideoCodecFrame</span></a> * |
| gst_video_codec_frame_ref (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a> *frame</code></em>);</pre> |
| <p>Increases the refcount of the given frame by one.</p> |
| <div class="refsect3"> |
| <a name="gst-video-codec-frame-ref.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-video-codec-frame-ref.returns"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>buf</code></em> |
| </p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-codec-frame-unref"></a><h3>gst_video_codec_frame_unref ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_video_codec_frame_unref (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a> *frame</code></em>);</pre> |
| <p>Decreases the refcount of the frame. If the refcount reaches 0, the frame |
| will be freed.</p> |
| <div class="refsect3"> |
| <a name="gst-video-codec-frame-unref.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-codec-frame-set-user-data"></a><h3>gst_video_codec_frame_set_user_data ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_video_codec_frame_set_user_data (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a> *frame</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>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> notify</code></em>);</pre> |
| <p>Sets <em class="parameter"><code>user_data</code></em> |
| on the frame and the <a href="/usr/share/gtk-doc/html/glibglib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> that will be called when |
| the frame is freed. Allows to attach private data by the subclass to frames.</p> |
| <p>If a <em class="parameter"><code>user_data</code></em> |
| was previously set, then the previous set <em class="parameter"><code>notify</code></em> |
| will be called |
| before the <em class="parameter"><code>user_data</code></em> |
| is replaced.</p> |
| <div class="refsect3"> |
| <a name="gst-video-codec-frame-set-user-data.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</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>private data</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>notify</p></td> |
| <td class="parameter_description"><p> a <a href="/usr/share/gtk-doc/html/glibglib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a>. </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> user_data]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-codec-frame-get-user-data"></a><h3>gst_video_codec_frame_get_user_data ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a> |
| gst_video_codec_frame_get_user_data (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a> *frame</code></em>);</pre> |
| <p>Gets private data set on the frame by the subclass via |
| <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#gst-video-codec-frame-set-user-data" title="gst_video_codec_frame_set_user_data ()"><code class="function">gst_video_codec_frame_set_user_data()</code></a> previously.</p> |
| <div class="refsect3"> |
| <a name="gst-video-codec-frame-get-user-data.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>frame</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-video-codec-frame-get-user-data.returns"></a><h4>Returns</h4> |
| <p> The previously set user_data. </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-video-codec-state-ref"></a><h3>gst_video_codec_state_ref ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecState" title="struct GstVideoCodecState"><span class="returnvalue">GstVideoCodecState</span></a> * |
| gst_video_codec_state_ref (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecState" title="struct GstVideoCodecState"><span class="type">GstVideoCodecState</span></a> *state</code></em>);</pre> |
| <p>Increases the refcount of the given state by one.</p> |
| <div class="refsect3"> |
| <a name="gst-video-codec-state-ref.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>state</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecState" title="struct GstVideoCodecState"><span class="type">GstVideoCodecState</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-video-codec-state-ref.returns"></a><h4>Returns</h4> |
| <p> <em class="parameter"><code>buf</code></em> |
| </p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-codec-state-unref"></a><h3>gst_video_codec_state_unref ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_video_codec_state_unref (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecState" title="struct GstVideoCodecState"><span class="type">GstVideoCodecState</span></a> *state</code></em>);</pre> |
| <p>Decreases the refcount of the state. If the refcount reaches 0, the state |
| will be freed.</p> |
| <div class="refsect3"> |
| <a name="gst-video-codec-state-unref.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>state</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecState" title="struct GstVideoCodecState"><span class="type">GstVideoCodecState</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstvideoutils.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstVideoCodecFrame"></a><h3>struct GstVideoCodecFrame</h3> |
| <pre class="programlisting">struct GstVideoCodecFrame { |
| guint32 system_frame_number; /* ED */ |
| guint32 decode_frame_number; /* ED */ |
| guint32 presentation_frame_number; /* ED */ |
| |
| GstClockTime dts; /* ED */ |
| GstClockTime pts; /* ED */ |
| GstClockTime duration; /* ED */ |
| |
| int distance_from_sync; /* ED */ |
| |
| GstBuffer *input_buffer; /* ED */ |
| GstBuffer *output_buffer; /* ED */ |
| |
| GstClockTime deadline; /* D */ |
| }; |
| </pre> |
| <p>A <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a> represents a video frame both in raw and |
| encoded form.</p> |
| <div class="refsect3"> |
| <a name="GstVideoCodecFrame.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="struct_members_name"> |
| <col class="struct_members_description"> |
| <col width="200px" class="struct_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstVideoCodecFrame.system-frame-number"></a>system_frame_number</code></em>;</p></td> |
| <td class="struct_member_description"><p>Unique identifier for the frame. Use this if you need |
| to get hold of the frame later (like when data is being decoded). |
| Typical usage in decoders is to set this on the opaque value provided |
| to the library and get back the frame using <a class="link" href="gst-plugins-base-libs-GstVideoDecoder.html#gst-video-decoder-get-frame" title="gst_video_decoder_get_frame ()"><code class="function">gst_video_decoder_get_frame()</code></a></p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstVideoCodecFrame.decode-frame-number"></a>decode_frame_number</code></em>;</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GstVideoCodecFrame.presentation-frame-number"></a>presentation_frame_number</code></em>;</p></td> |
| <td> </td> |
| <td> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GstVideoCodecFrame.dts"></a>dts</code></em>;</p></td> |
| <td class="struct_member_description"><p>Decoding timestamp</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GstVideoCodecFrame.pts"></a>pts</code></em>;</p></td> |
| <td class="struct_member_description"><p>Presentation timestamp</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GstVideoCodecFrame.duration"></a>duration</code></em>;</p></td> |
| <td class="struct_member_description"><p>Duration of the frame</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><span class="type">int</span> <em class="structfield"><code><a name="GstVideoCodecFrame.distance-from-sync"></a>distance_from_sync</code></em>;</p></td> |
| <td class="struct_member_description"><p>Distance in frames from the last synchronization point.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *<em class="structfield"><code><a name="GstVideoCodecFrame.input-buffer"></a>input_buffer</code></em>;</p></td> |
| <td class="struct_member_description"><p>the input <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> that created this frame. The buffer is owned |
| by the frame and references to the frame instead of the buffer should |
| be kept.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *<em class="structfield"><code><a name="GstVideoCodecFrame.output-buffer"></a>output_buffer</code></em>;</p></td> |
| <td class="struct_member_description"><p>the output <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a>. Implementations should set this either |
| directly, or by using the |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoDecoder.html#gst-video-decoder-allocate-output-frame" title="gst_video_decoder_allocate_output_frame ()"><code class="function">gst_video_decoder_allocate_output_frame()</code></a></code></em> |
| or |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoDecoder.html#gst-video-decoder-allocate-output-buffer" title="gst_video_decoder_allocate_output_buffer ()"><code class="function">gst_video_decoder_allocate_output_buffer()</code></a></code></em> |
| methods. The buffer is |
| owned by the frame and references to the frame instead of the |
| buffer should be kept.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GstVideoCodecFrame.deadline"></a>deadline</code></em>;</p></td> |
| <td class="struct_member_description"><p>Running time when the frame will be used.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstVideoCodecFrameFlags"></a><h3>enum GstVideoCodecFrameFlags</h3> |
| <p>Flags for <a class="link" href="gst-plugins-base-libs-gstvideoutils.html#GstVideoCodecFrame" title="struct GstVideoCodecFrame"><span class="type">GstVideoCodecFrame</span></a></p> |
| <div class="refsect3"> |
| <a name="GstVideoCodecFrameFlags.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CODEC-FRAME-FLAG-DECODE-ONLY:CAPS"></a>GST_VIDEO_CODEC_FRAME_FLAG_DECODE_ONLY</p></td> |
| <td class="enum_member_description"> |
| <p>is the frame only meant to be decoded</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CODEC-FRAME-FLAG-SYNC-POINT:CAPS"></a>GST_VIDEO_CODEC_FRAME_FLAG_SYNC_POINT</p></td> |
| <td class="enum_member_description"> |
| <p>is the frame a synchronization point (keyframe)</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CODEC-FRAME-FLAG-FORCE-KEYFRAME:CAPS"></a>GST_VIDEO_CODEC_FRAME_FLAG_FORCE_KEYFRAME</p></td> |
| <td class="enum_member_description"> |
| <p>should the output frame be made a keyframe</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CODEC-FRAME-FLAG-FORCE-KEYFRAME-HEADERS:CAPS"></a>GST_VIDEO_CODEC_FRAME_FLAG_FORCE_KEYFRAME_HEADERS</p></td> |
| <td class="enum_member_description"> |
| <p>should the encoder output stream headers</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstVideoCodecState"></a><h3>struct GstVideoCodecState</h3> |
| <pre class="programlisting">struct GstVideoCodecState { |
| GstVideoInfo info; |
| |
| GstCaps *caps; |
| |
| GstBuffer *codec_data; |
| |
| GstCaps *allocation_caps; |
| }; |
| </pre> |
| <p>Structure representing the state of an incoming or outgoing video |
| stream for encoders and decoders.</p> |
| <p>Decoders and encoders will receive such a state through their |
| respective <em class="parameter"><code>set_format</code></em> |
| vmethods.</p> |
| <p>Decoders and encoders can set the downstream state, by using the |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoDecoder.html#gst-video-decoder-set-output-state" title="gst_video_decoder_set_output_state ()"><code class="function">gst_video_decoder_set_output_state()</code></a></code></em> |
| or |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoEncoder.html#gst-video-encoder-set-output-state" title="gst_video_encoder_set_output_state ()"><code class="function">gst_video_encoder_set_output_state()</code></a></code></em> |
| methods.</p> |
| <div class="refsect3"> |
| <a name="GstVideoCodecState.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="struct_members_name"> |
| <col class="struct_members_description"> |
| <col width="200px" class="struct_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoInfo" title="struct GstVideoInfo"><span class="type">GstVideoInfo</span></a> <em class="structfield"><code><a name="GstVideoCodecState.info"></a>info</code></em>;</p></td> |
| <td class="struct_member_description"><p>The <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoInfo" title="struct GstVideoInfo"><span class="type">GstVideoInfo</span></a> describing the stream</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *<em class="structfield"><code><a name="GstVideoCodecState.caps"></a>caps</code></em>;</p></td> |
| <td class="struct_member_description"><p>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> used in the caps negotiation of the pad.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *<em class="structfield"><code><a name="GstVideoCodecState.codec-data"></a>codec_data</code></em>;</p></td> |
| <td class="struct_member_description"><p>a <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> corresponding to the |
| 'codec_data' field of a stream, or NULL.</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *<em class="structfield"><code><a name="GstVideoCodecState.allocation-caps"></a>allocation_caps</code></em>;</p></td> |
| <td class="struct_member_description"><p>The <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> for allocation query and pool |
| negotiation. Since: 1.10</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.25</div> |
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