diff options
Diffstat (limited to 'docs/libs/html/gst-plugins-bad-libs-GstBaseVideoCodec.html')
| -rw-r--r-- | docs/libs/html/gst-plugins-bad-libs-GstBaseVideoCodec.html | 478 |
1 files changed, 2 insertions, 476 deletions
diff --git a/docs/libs/html/gst-plugins-bad-libs-GstBaseVideoCodec.html b/docs/libs/html/gst-plugins-bad-libs-GstBaseVideoCodec.html index c724d56b..710cab31 100644 --- a/docs/libs/html/gst-plugins-bad-libs-GstBaseVideoCodec.html +++ b/docs/libs/html/gst-plugins-bad-libs-GstBaseVideoCodec.html @@ -31,493 +31,19 @@ <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="gst-plugins-bad-libs-GstBaseVideoCodec.top_of_page"></a>GstBaseVideoCodec</span></h2> -<p>GstBaseVideoCodec — Base class for video codecs</p> +<p>GstBaseVideoCodec</p> </td> <td valign="top" align="right"></td> </tr></table></div> <div class="refsynopsisdiv"> <a name="gst-plugins-bad-libs-GstBaseVideoCodec.synopsis"></a><h2>Synopsis</h2> -<pre class="synopsis">#define <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-SINK-NAME:CAPS" title="GST_BASE_VIDEO_CODEC_SINK_NAME">GST_BASE_VIDEO_CODEC_SINK_NAME</a> -#define <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-SRC-NAME:CAPS" title="GST_BASE_VIDEO_CODEC_SRC_NAME">GST_BASE_VIDEO_CODEC_SRC_NAME</a> -#define <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-SRC-PAD:CAPS" title="GST_BASE_VIDEO_CODEC_SRC_PAD()">GST_BASE_VIDEO_CODEC_SRC_PAD</a> (obj) -#define <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-SINK-PAD:CAPS" title="GST_BASE_VIDEO_CODEC_SINK_PAD()">GST_BASE_VIDEO_CODEC_SINK_PAD</a> (obj) -#define <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-FLOW-NEED-DATA:CAPS" title="GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA">GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA</a> -#define <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-STREAM-LOCK:CAPS" title="GST_BASE_VIDEO_CODEC_STREAM_LOCK()">GST_BASE_VIDEO_CODEC_STREAM_LOCK</a> (codec) -#define <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GST-BASE-VIDEO-CODEC-STREAM-UNLOCK:CAPS" title="GST_BASE_VIDEO_CODEC_STREAM_UNLOCK()">GST_BASE_VIDEO_CODEC_STREAM_UNLOCK</a> (codec) -struct <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoState" title="struct GstVideoState">GstVideoState</a>; -struct <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState">GstVideoFrameState</a>; -struct <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec">GstBaseVideoCodec</a>; -struct <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodecClass" title="struct GstBaseVideoCodecClass">GstBaseVideoCodecClass</a>; -<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="returnvalue">GstVideoFrameState</span></a> * <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#gst-base-video-codec-new-frame" title="gst_base_video_codec_new_frame ()">gst_base_video_codec_new_frame</a> (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> *base_video_codec</code></em>); -<span class="returnvalue">void</span> <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#gst-base-video-codec-append-frame" title="gst_base_video_codec_append_frame ()">gst_base_video_codec_append_frame</a> (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> *codec</code></em>, - <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> *frame</code></em>); -<span class="returnvalue">void</span> <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#gst-base-video-codec-remove-frame" title="gst_base_video_codec_remove_frame ()">gst_base_video_codec_remove_frame</a> (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> *codec</code></em>, - <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> *frame</code></em>); -<a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a> <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#gst-video-frame-state-get-type" title="gst_video_frame_state_get_type ()">gst_video_frame_state_get_type</a> (<em class="parameter"><code><span class="type">void</span></code></em>); -<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="returnvalue">GstVideoFrameState</span></a> * <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#gst-video-frame-state-ref" title="gst_video_frame_state_ref ()">gst_video_frame_state_ref</a> (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> *frame</code></em>); -<span class="returnvalue">void</span> <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#gst-video-frame-state-unref" title="gst_video_frame_state_unref ()">gst_video_frame_state_unref</a> (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> *frame</code></em>); -</pre> +<pre class="synopsis"></pre> </div> <div class="refsect1"> <a name="gst-plugins-bad-libs-GstBaseVideoCodec.description"></a><h2>Description</h2> </div> <div class="refsect1"> <a name="gst-plugins-bad-libs-GstBaseVideoCodec.details"></a><h2>Details</h2> -<div class="refsect2"> -<a name="GST-BASE-VIDEO-CODEC-SINK-NAME:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_SINK_NAME</h3> -<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_SINK_NAME "sink" -</pre> -<p> -The name of the templates for the sink pad. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="GST-BASE-VIDEO-CODEC-SRC-NAME:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_SRC_NAME</h3> -<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_SRC_NAME "src" -</pre> -<p> -The name of the templates for the source pad. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="GST-BASE-VIDEO-CODEC-SRC-PAD:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_SRC_PAD()</h3> -<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_SRC_PAD(obj) (((GstBaseVideoCodec *) (obj))->srcpad) -</pre> -<p> -Gives the pointer to the source <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html"><span class="type">GstPad</span></a> object of the element. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>obj</code></em> :</span></p></td> -<td>base video codec instance</td> -</tr></tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="GST-BASE-VIDEO-CODEC-SINK-PAD:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_SINK_PAD()</h3> -<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_SINK_PAD(obj) (((GstBaseVideoCodec *) (obj))->sinkpad) -</pre> -<p> -Gives the pointer to the sink <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html"><span class="type">GstPad</span></a> object of the element. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>obj</code></em> :</span></p></td> -<td>base video codec instance</td> -</tr></tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="GST-BASE-VIDEO-CODEC-FLOW-NEED-DATA:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA</h3> -<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS -</pre> -<p> -Returned while parsing to indicate more data is needed. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="GST-BASE-VIDEO-CODEC-STREAM-LOCK:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_STREAM_LOCK()</h3> -<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_STREAM_LOCK(codec) g_rec_mutex_lock (&GST_BASE_VIDEO_CODEC (codec)->stream_lock) -</pre> -<p> -Obtain a lock to protect the codec function from concurrent access. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>codec</code></em> :</span></p></td> -<td>video codec instance</td> -</tr></tbody> -</table></div> -<p class="since">Since 0.10.22</p> -</div> -<hr> -<div class="refsect2"> -<a name="GST-BASE-VIDEO-CODEC-STREAM-UNLOCK:CAPS"></a><h3>GST_BASE_VIDEO_CODEC_STREAM_UNLOCK()</h3> -<pre class="programlisting">#define GST_BASE_VIDEO_CODEC_STREAM_UNLOCK(codec) g_rec_mutex_unlock (&GST_BASE_VIDEO_CODEC (codec)->stream_lock) -</pre> -<p> -Release the lock that protects the codec function from concurrent access. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>codec</code></em> :</span></p></td> -<td>video codec instance</td> -</tr></tbody> -</table></div> -<p class="since">Since 0.10.22</p> -</div> -<hr> -<div class="refsect2"> -<a name="GstVideoState"></a><h3>struct GstVideoState</h3> -<pre class="programlisting">struct GstVideoState { - GstCaps *caps; - GstVideoFormat format; - int width, height; - int fps_n, fps_d; - int par_n, par_d; - - gboolean have_interlaced; - gboolean interlaced; - gboolean top_field_first; - - int clean_width, clean_height; - int clean_offset_left, clean_offset_top; - - int bytes_per_picture; - - GstBuffer *codec_data; -}; -</pre> -<p> -Information about compressed video stream. -FIXME: Re-use GstVideoInfo for more fields. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> *<em class="structfield"><code><a name="GstVideoState.caps"></a>caps</code></em>;</span></p></td> -<td></td> -</tr> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideo.html#GstVideoFormat"><span class="type">GstVideoFormat</span></a> <em class="structfield"><code><a name="GstVideoState.format"></a>format</code></em>;</span></p></td> -<td></td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.width"></a>width</code></em>;</span></p></td> -<td>Width in pixels (including borders)</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.height"></a>height</code></em>;</span></p></td> -<td>Height in pixels (including borders)</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.fps-n"></a>fps_n</code></em>;</span></p></td> -<td>Numerator of framerate</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.fps-d"></a>fps_d</code></em>;</span></p></td> -<td>Denominator of framerate</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.par-n"></a>par_n</code></em>;</span></p></td> -<td>Numerator of Pixel Aspect Ratio</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.par-d"></a>par_d</code></em>;</span></p></td> -<td>Denominator of Pixel Aspect Ratio</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoState.have-interlaced"></a>have_interlaced</code></em>;</span></p></td> -<td>The content of the <em class="parameter"><code>interlaced</code></em> field is present and valid</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoState.interlaced"></a>interlaced</code></em>;</span></p></td> -<td> -<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the stream is interlaced</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoState.top-field-first"></a>top_field_first</code></em>;</span></p></td> -<td> -<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the interlaced frame is top-field-first</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.clean-width"></a>clean_width</code></em>;</span></p></td> -<td>Useful width of video in pixels (i.e. without borders)</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.clean-height"></a>clean_height</code></em>;</span></p></td> -<td>Useful height of video in pixels (i.e. without borders)</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.clean-offset-left"></a>clean_offset_left</code></em>;</span></p></td> -<td>Horizontal offset (from the left) of useful region in pixels</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.clean-offset-top"></a>clean_offset_top</code></em>;</span></p></td> -<td>Vertical offset (from the top) of useful region in pixels</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoState.bytes-per-picture"></a>bytes_per_picture</code></em>;</span></p></td> -<td>Size in bytes of each picture</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *<em class="structfield"><code><a name="GstVideoState.codec-data"></a>codec_data</code></em>;</span></p></td> -<td>Optional Codec Data for the stream</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="GstVideoFrameState"></a><h3>struct GstVideoFrameState</h3> -<pre class="programlisting">struct GstVideoFrameState { - GstClockTime decode_timestamp; - GstClockTime presentation_timestamp; - GstClockTime presentation_duration; - - gint system_frame_number; - gint decode_frame_number; - gint presentation_frame_number; - - int distance_from_sync; - gboolean is_sync_point; - gboolean is_eos; - - /* Frames that should not be pushed downstream and are - * not meant for display */ - gboolean decode_only; - - GstBuffer *sink_buffer; - GstBuffer *src_buffer; - - int field_index; - int n_fields; - - void *coder_hook; - GDestroyNotify coder_hook_destroy_notify; - - GstClockTime deadline; - - gboolean force_keyframe; - gboolean force_keyframe_headers; - - /* Events that should be pushed downstream *before* - * the next src_buffer */ - GList *events; -}; -</pre> -<p> -State of a video frame going through the codec -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GstVideoFrameState.decode-timestamp"></a>decode_timestamp</code></em>;</span></p></td> -<td>Decoding timestamp (aka DTS)</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GstVideoFrameState.presentation-timestamp"></a>presentation_timestamp</code></em>;</span></p></td> -<td>Presentation timestamp (aka PTS)</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GstVideoFrameState.presentation-duration"></a>presentation_duration</code></em>;</span></p></td> -<td>Duration of frame</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoFrameState.system-frame-number"></a>system_frame_number</code></em>;</span></p></td> -<td>unique ID attributed when <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> is -created</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoFrameState.decode-frame-number"></a>decode_frame_number</code></em>;</span></p></td> -<td>Decoded frame number, increases in decoding order</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoFrameState.presentation-frame-number"></a>presentation_frame_number</code></em>;</span></p></td> -<td>Presentation frame number, increases in -presentation order.</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoFrameState.distance-from-sync"></a>distance_from_sync</code></em>;</span></p></td> -<td>Distance of the frame from a sync point, in number -of frames.</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoFrameState.is-sync-point"></a>is_sync_point</code></em>;</span></p></td> -<td> -<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if the frame is a synchronization point (like a -keyframe)</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoFrameState.is-eos"></a>is_eos</code></em>;</span></p></td> -<td> -<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> if the frame is the last one of a segment.</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoFrameState.decode-only"></a>decode_only</code></em>;</span></p></td> -<td>If <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a>, the frame is only meant to be decoded but not -pushed downstream</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *<em class="structfield"><code><a name="GstVideoFrameState.sink-buffer"></a>sink_buffer</code></em>;</span></p></td> -<td>input buffer</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *<em class="structfield"><code><a name="GstVideoFrameState.src-buffer"></a>src_buffer</code></em>;</span></p></td> -<td>output buffer</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoFrameState.field-index"></a>field_index</code></em>;</span></p></td> -<td>Number of fields since beginning of stream</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">int</span> <em class="structfield"><code><a name="GstVideoFrameState.n-fields"></a>n_fields</code></em>;</span></p></td> -<td>Number of fields present in frame (default 2)</td> -</tr> -<tr> -<td><p><span class="term"><span class="type">void</span> *<em class="structfield"><code><a name="GstVideoFrameState.coder-hook"></a>coder_hook</code></em>;</span></p></td> -<td>Private data called with <em class="parameter"><code>coder_hook_destroy_notify</code></em> -</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> <em class="structfield"><code><a name="GstVideoFrameState.coder-hook-destroy-notify"></a>coder_hook_destroy_notify</code></em>;</span></p></td> -<td>Called when frame is destroyed</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GstVideoFrameState.deadline"></a>deadline</code></em>;</span></p></td> -<td>Target clock time for display (running time)</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoFrameState.force-keyframe"></a>force_keyframe</code></em>;</span></p></td> -<td>For encoders, if <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> a keyframe must be generated</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> <em class="structfield"><code><a name="GstVideoFrameState.force-keyframe-headers"></a>force_keyframe_headers</code></em>;</span></p></td> -<td>For encoders, if <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><span class="type">TRUE</span></a> new headers must be generated</td> -</tr> -<tr> -<td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="type">GList</span></a> *<em class="structfield"><code><a name="GstVideoFrameState.events"></a>events</code></em>;</span></p></td> -<td>List of <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstEvent.html#GstEvent"><span class="type">GstEvent</span></a> that must be pushed before the next <em class="parameter"><code>src_buffer</code></em> -</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="GstBaseVideoCodec"></a><h3>struct GstBaseVideoCodec</h3> -<pre class="programlisting">struct GstBaseVideoCodec { -}; -</pre> -<p> -The opaque <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> data structure. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="GstBaseVideoCodecClass"></a><h3>struct GstBaseVideoCodecClass</h3> -<pre class="programlisting">struct GstBaseVideoCodecClass { -}; -</pre> -<p> -The opaque <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodecClass" title="struct GstBaseVideoCodecClass"><span class="type">GstBaseVideoCodecClass</span></a> data structure. -</p> -</div> -<hr> -<div class="refsect2"> -<a name="gst-base-video-codec-new-frame"></a><h3>gst_base_video_codec_new_frame ()</h3> -<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="returnvalue">GstVideoFrameState</span></a> * gst_base_video_codec_new_frame (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> *base_video_codec</code></em>);</pre> -<p> -Creates a new <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> for usage in decoders or encoders. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>base_video_codec</code></em> :</span></p></td> -<td>a <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> -</td> -</tr> -<tr> -<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> -<td>The new <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a>, call -#<a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#gst-video-frame-state-unref" title="gst_video_frame_state_unref ()"><code class="function">gst_video_frame_state_unref()</code></a> when done with it. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span> -</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="gst-base-video-codec-append-frame"></a><h3>gst_base_video_codec_append_frame ()</h3> -<pre class="programlisting"><span class="returnvalue">void</span> gst_base_video_codec_append_frame (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> *codec</code></em>, - <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> *frame</code></em>);</pre> -<p> -Appends a frame to the list of frames handled by the codec. -</p> -<p> -Note: This should normally not be used by implementations. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>codec</code></em> :</span></p></td> -<td>a <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> -</td> -</tr> -<tr> -<td><p><span class="term"><em class="parameter"><code>frame</code></em> :</span></p></td> -<td>the <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> to append</td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="gst-base-video-codec-remove-frame"></a><h3>gst_base_video_codec_remove_frame ()</h3> -<pre class="programlisting"><span class="returnvalue">void</span> gst_base_video_codec_remove_frame (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstBaseVideoCodec" title="struct GstBaseVideoCodec"><span class="type">GstBaseVideoCodec</span></a> *codec</code></em>, - <em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> *frame</code></em>);</pre> -</div> -<hr> -<div class="refsect2"> -<a name="gst-video-frame-state-get-type"></a><h3>gst_video_frame_state_get_type ()</h3> -<pre class="programlisting"><a href="http://library.gnome.org/devel/gobject/unstable/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a> gst_video_frame_state_get_type (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> -</div> -<hr> -<div class="refsect2"> -<a name="gst-video-frame-state-ref"></a><h3>gst_video_frame_state_ref ()</h3> -<pre class="programlisting"><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="returnvalue">GstVideoFrameState</span></a> * gst_video_frame_state_ref (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> *frame</code></em>);</pre> -<p> -Increases the refcount of the given frame by one. -</p> -<div class="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody> -<tr> -<td><p><span class="term"><em class="parameter"><code>frame</code></em> :</span></p></td> -<td>a <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> -</td> -</tr> -<tr> -<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td> -<td><em class="parameter"><code>buf</code></em></td> -</tr> -</tbody> -</table></div> -</div> -<hr> -<div class="refsect2"> -<a name="gst-video-frame-state-unref"></a><h3>gst_video_frame_state_unref ()</h3> -<pre class="programlisting"><span class="returnvalue">void</span> gst_video_frame_state_unref (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</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="variablelist"><table border="0"> -<col align="left" valign="top"> -<tbody><tr> -<td><p><span class="term"><em class="parameter"><code>frame</code></em> :</span></p></td> -<td>a <a class="link" href="gst-plugins-bad-libs-GstBaseVideoCodec.html#GstVideoFrameState" title="struct GstVideoFrameState"><span class="type">GstVideoFrameState</span></a> -</td> -</tr></tbody> -</table></div> -</div> -</div> -<div class="refsect1"> -<a name="gst-plugins-bad-libs-GstBaseVideoCodec.see-also"></a><h2>See Also</h2> -<a class="link" href="gst-plugins-bad-libs-GstBaseVideoDecoder.html#GstBaseVideoDecoder" title="struct GstBaseVideoDecoder"><span class="type">GstBaseVideoDecoder</span></a> , <a class="link" href="gst-plugins-bad-libs-GstBaseVideoEncoder.html#GstBaseVideoEncoder" title="struct GstBaseVideoEncoder"><span class="type">GstBaseVideoEncoder</span></a> </div> </div> <div class="footer"> |