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| <div class="refentry"> |
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| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstpbutilscodecutils.top_of_page"></a>gstpbutilscodecutils</span></h2> |
| <p>gstpbutilscodecutils — Miscellaneous codec-specific utility functions</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstpbutilscodecutils.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="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-sample-rate-from-index" title="gst_codec_utils_aac_get_sample_rate_from_index ()">gst_codec_utils_aac_get_sample_rate_from_index</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-index-from-sample-rate" title="gst_codec_utils_aac_get_index_from_sample_rate ()">gst_codec_utils_aac_get_index_from_sample_rate</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-profile" title="gst_codec_utils_aac_get_profile ()">gst_codec_utils_aac_get_profile</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-level" title="gst_codec_utils_aac_get_level ()">gst_codec_utils_aac_get_level</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-channels" title="gst_codec_utils_aac_get_channels ()">gst_codec_utils_aac_get_channels</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-sample-rate" title="gst_codec_utils_aac_get_sample_rate ()">gst_codec_utils_aac_get_sample_rate</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-caps-set-level-and-profile" title="gst_codec_utils_aac_caps_set_level_and_profile ()">gst_codec_utils_aac_caps_set_level_and_profile</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-get-profile" title="gst_codec_utils_h264_get_profile ()">gst_codec_utils_h264_get_profile</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-get-level" title="gst_codec_utils_h264_get_level ()">gst_codec_utils_h264_get_level</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-caps-set-level-and-profile" title="gst_codec_utils_h264_caps_set_level_and_profile ()">gst_codec_utils_h264_caps_set_level_and_profile</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="returnvalue">guint8</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-get-level-idc" title="gst_codec_utils_h264_get_level_idc ()">gst_codec_utils_h264_get_level_idc</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h265-get-profile" title="gst_codec_utils_h265_get_profile ()">gst_codec_utils_h265_get_profile</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h265-get-tier" title="gst_codec_utils_h265_get_tier ()">gst_codec_utils_h265_get_tier</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h265-get-level" title="gst_codec_utils_h265_get_level ()">gst_codec_utils_h265_get_level</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="returnvalue">guint8</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h265-get-level-idc" title="gst_codec_utils_h265_get_level_idc ()">gst_codec_utils_h265_get_level_idc</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h265-caps-set-level-tier-and-profile" title="gst_codec_utils_h265_caps_set_level_tier_and_profile ()">gst_codec_utils_h265_caps_set_level_tier_and_profile</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-mpeg4video-get-profile" title="gst_codec_utils_mpeg4video_get_profile ()">gst_codec_utils_mpeg4video_get_profile</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-mpeg4video-get-level" title="gst_codec_utils_mpeg4video_get_level ()">gst_codec_utils_mpeg4video_get_level</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-mpeg4video-caps-set-level-and-profile" title="gst_codec_utils_mpeg4video_caps_set_level_and_profile ()">gst_codec_utils_mpeg4video_caps_set_level_and_profile</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-opus-create-caps" title="gst_codec_utils_opus_create_caps ()">gst_codec_utils_opus_create_caps</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-opus-create-caps-from-header" title="gst_codec_utils_opus_create_caps_from_header ()">gst_codec_utils_opus_create_caps_from_header</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-opus-parse-caps" title="gst_codec_utils_opus_parse_caps ()">gst_codec_utils_opus_parse_caps</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-opus-create-header" title="gst_codec_utils_opus_create_header ()">gst_codec_utils_opus_create_header</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-opus-parse-header" title="gst_codec_utils_opus_parse_header ()">gst_codec_utils_opus_parse_header</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstpbutilscodecutils.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/pbutils/codec-utils.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstpbutilscodecutils.description"></a><h2>Description</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.14.5.5.2"></a><p> |
| Provides codec-specific ulility functions such as functions to provide the |
| codec profile and level in human-readable string form from header data. |
| </p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstpbutilscodecutils.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-aac-get-sample-rate-from-index"></a><h3>gst_codec_utils_aac_get_sample_rate_from_index ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| gst_codec_utils_aac_get_sample_rate_from_index |
| (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> sr_idx</code></em>);</pre> |
| <p>Translates the sample rate index found in AAC headers to the actual sample |
| rate.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-sample-rate-from-index.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>sr_idx</p></td> |
| <td class="parameter_description"><p>Sample rate index as from the AudioSpecificConfig (MPEG-4 |
| container) or ADTS frame header</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-sample-rate-from-index.returns"></a><h4>Returns</h4> |
| <p> The sample rate if <em class="parameter"><code>sr_idx</code></em> |
| is valid, 0 otherwise.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-aac-get-index-from-sample-rate"></a><h3>gst_codec_utils_aac_get_index_from_sample_rate ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> |
| gst_codec_utils_aac_get_index_from_sample_rate |
| (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> rate</code></em>);</pre> |
| <p>Translates the sample rate to the index corresponding to it in AAC spec.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-index-from-sample-rate.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>rate</p></td> |
| <td class="parameter_description"><p>Sample rate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-index-from-sample-rate.returns"></a><h4>Returns</h4> |
| <p> The AAC index for this sample rate, -1 if the rate is not a |
| valid AAC sample rate.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-aac-get-profile"></a><h3>gst_codec_utils_aac_get_profile ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_aac_get_profile (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *audio_config</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Returns the profile of the given AAC stream as a string. The profile is |
| determined using the AudioObjectType field which is in the first 5 bits of |
| <em class="parameter"><code>audio_config</code></em> |
| .</p> |
| <div class="note"> |
| HE-AAC support has not yet been implemented. |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-profile.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>audio_config</p></td> |
| <td class="parameter_description"><p>a pointer to the AudioSpecificConfig as specified in the |
| Elementary Stream Descriptor (esds) in ISO/IEC 14496-1 (see |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-level" title="gst_codec_utils_aac_get_level ()"><code class="function">gst_codec_utils_aac_get_level()</code></a> for a more details).</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of <em class="parameter"><code>audio_config</code></em> |
| in bytes</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-profile.returns"></a><h4>Returns</h4> |
| <p> The profile as a const string and <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the profile could not be |
| determined.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-aac-get-level"></a><h3>gst_codec_utils_aac_get_level ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_aac_get_level (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *audio_config</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Determines the level of a stream as defined in ISO/IEC 14496-3. For AAC LC |
| streams, the constraints from the AAC audio profile are applied. For AAC |
| Main, LTP, SSR and others, the Main profile is used.</p> |
| <p>The <em class="parameter"><code>audio_config</code></em> |
| parameter follows the following format, starting from the |
| most significant bit of the first byte:</p> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"><p> |
| Bit 0:4 contains the AudioObjectType |
| </p></li> |
| <li class="listitem"><p> |
| Bit 5:8 contains the sample frequency index (if this is 0xf, then the |
| next 24 bits define the actual sample frequency, and subsequent |
| fields are appropriately shifted). |
| </p></li> |
| <li class="listitem"><p> |
| Bit 9:12 contains the channel configuration |
| </p></li> |
| </ul></div> |
| <div class="note"> |
| HE-AAC support has not yet been implemented. |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-level.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>audio_config</p></td> |
| <td class="parameter_description"><p>a pointer to the AudioSpecificConfig as specified in the |
| Elementary Stream Descriptor (esds) in ISO/IEC 14496-1.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of <em class="parameter"><code>audio_config</code></em> |
| in bytes</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-level.returns"></a><h4>Returns</h4> |
| <p> The level as a const string and <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the level could not be |
| determined.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-aac-get-channels"></a><h3>gst_codec_utils_aac_get_channels ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| gst_codec_utils_aac_get_channels (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *audio_config</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Returns the channels of the given AAC stream.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-channels.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>audio_config</p></td> |
| <td class="parameter_description"><p>a pointer to the AudioSpecificConfig as specified in the |
| Elementary Stream Descriptor (esds) in ISO/IEC 14496-1.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-channels.returns"></a><h4>Returns</h4> |
| <p> The channels or 0 if the channel could not be determined.</p> |
| <p>Since 1.10</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-aac-get-sample-rate"></a><h3>gst_codec_utils_aac_get_sample_rate ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> |
| gst_codec_utils_aac_get_sample_rate (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *audio_config</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Translates the sample rate index found in AAC headers to the actual sample |
| rate.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-sample-rate.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>audio_config</p></td> |
| <td class="parameter_description"><p>a pointer to the AudioSpecificConfig as specified in the |
| Elementary Stream Descriptor (esds) in ISO/IEC 14496-1.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of <em class="parameter"><code>audio_config</code></em> |
| in bytes</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-get-sample-rate.returns"></a><h4>Returns</h4> |
| <p> The sample rate if sr_idx is valid, 0 otherwise.</p> |
| <p>Since 1.10</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-aac-caps-set-level-and-profile"></a><h3>gst_codec_utils_aac_caps_set_level_and_profile ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_codec_utils_aac_caps_set_level_and_profile |
| (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *audio_config</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Sets the level and profile on <em class="parameter"><code>caps</code></em> |
| if it can be determined from |
| <em class="parameter"><code>audio_config</code></em> |
| . See <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-level" title="gst_codec_utils_aac_get_level ()"><code class="function">gst_codec_utils_aac_get_level()</code></a> and |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-aac-get-profile" title="gst_codec_utils_aac_get_profile ()"><code class="function">gst_codec_utils_aac_get_profile()</code></a> for more details on the parameters. |
| <em class="parameter"><code>caps</code></em> |
| must be audio/mpeg caps with an "mpegversion" field of either 2 or 4. |
| If mpegversion is 4, the "base-profile" field is also set in <em class="parameter"><code>caps</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-caps-set-level-and-profile.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> to which level and profile fields are to be added</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>audio_config</p></td> |
| <td class="parameter_description"><p>a pointer to the AudioSpecificConfig as specified in the |
| Elementary Stream Descriptor (esds) in ISO/IEC 14496-1 (see |
| below for a more details).</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of <em class="parameter"><code>audio_config</code></em> |
| in bytes</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-aac-caps-set-level-and-profile.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the level and profile could be set, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h264-get-profile"></a><h3>gst_codec_utils_h264_get_profile ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_h264_get_profile (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *sps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Converts the profile indication (profile_idc) in the stream's |
| sequence parameter set into a string. The SPS is expected to have the |
| following format, as defined in the H.264 specification. The SPS is viewed |
| as a bitstream here, with bit 0 being the most significant bit of the first |
| byte.</p> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"><p>Bit 0:7 - Profile indication</p></li> |
| <li class="listitem"><p>Bit 8 - constraint_set0_flag</p></li> |
| <li class="listitem"><p>Bit 9 - constraint_set1_flag</p></li> |
| <li class="listitem"><p>Bit 10 - constraint_set2_flag</p></li> |
| <li class="listitem"><p>Bit 11 - constraint_set3_flag</p></li> |
| <li class="listitem"><p>Bit 12 - constraint_set3_flag</p></li> |
| <li class="listitem"><p>Bit 13:15 - Reserved</p></li> |
| <li class="listitem"><p>Bit 16:24 - Level indication</p></li> |
| </ul></div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h264-get-profile.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>sps</p></td> |
| <td class="parameter_description"><p>Pointer to the sequence parameter set for the stream.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>sps</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h264-get-profile.returns"></a><h4>Returns</h4> |
| <p> The profile as a const string, or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there is an error.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h264-get-level"></a><h3>gst_codec_utils_h264_get_level ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_h264_get_level (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *sps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Converts the level indication (level_idc) in the stream's |
| sequence parameter set into a string. The SPS is expected to have the |
| same format as for <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-get-profile" title="gst_codec_utils_h264_get_profile ()"><code class="function">gst_codec_utils_h264_get_profile()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h264-get-level.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>sps</p></td> |
| <td class="parameter_description"><p>Pointer to the sequence parameter set for the stream.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>sps</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h264-get-level.returns"></a><h4>Returns</h4> |
| <p> The level as a const string, or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there is an error.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h264-caps-set-level-and-profile"></a><h3>gst_codec_utils_h264_caps_set_level_and_profile ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_codec_utils_h264_caps_set_level_and_profile |
| (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *sps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Sets the level and profile in <em class="parameter"><code>caps</code></em> |
| if it can be determined from <em class="parameter"><code>sps</code></em> |
| . See |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-get-level" title="gst_codec_utils_h264_get_level ()"><code class="function">gst_codec_utils_h264_get_level()</code></a> and <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-get-profile" title="gst_codec_utils_h264_get_profile ()"><code class="function">gst_codec_utils_h264_get_profile()</code></a> |
| for more details on the parameters.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h264-caps-set-level-and-profile.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> to which the level and profile are to be added</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>sps</p></td> |
| <td class="parameter_description"><p>Pointer to the sequence parameter set for the stream.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>sps</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h264-caps-set-level-and-profile.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the level and profile could be set, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h264-get-level-idc"></a><h3>gst_codec_utils_h264_get_level_idc ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="returnvalue">guint8</span></a> |
| gst_codec_utils_h264_get_level_idc (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *level</code></em>);</pre> |
| <p>Transform a level string from the caps into the level_idc</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h264-get-level-idc.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>level</p></td> |
| <td class="parameter_description"><p>A level string from caps</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h264-get-level-idc.returns"></a><h4>Returns</h4> |
| <p> the level_idc or 0 if the level is unknown</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h265-get-profile"></a><h3>gst_codec_utils_h265_get_profile ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_h265_get_profile (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *profile_tier_level</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Converts the profile indication (general_profile_idc) in the stream's |
| profile_level_tier structure into a string. The profile_tier_level is |
| expected to have the following format, as defined in the H.265 |
| specification. The profile_tier_level is viewed as a bitstream here, |
| with bit 0 being the most significant bit of the first byte.</p> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"><p>Bit 0:1 - general_profile_space</p></li> |
| <li class="listitem"><p>Bit 2 - general_tier_flag</p></li> |
| <li class="listitem"><p>Bit 3:7 - general_profile_idc</p></li> |
| <li class="listitem"><p>Bit 8:39 - gernal_profile_compatibility_flags</p></li> |
| <li class="listitem"><p>Bit 40 - general_progressive_source_flag</p></li> |
| <li class="listitem"><p>Bit 41 - general_interlaced_source_flag</p></li> |
| <li class="listitem"><p>Bit 42 - general_non_packed_constraint_flag</p></li> |
| <li class="listitem"><p>Bit 43 - general_frame_only_constraint_flag</p></li> |
| <li class="listitem"><p>Bit 44:87 - general_reserved_zero_44bits</p></li> |
| <li class="listitem"><p>Bit 88:95 - general_level_idc</p></li> |
| </ul></div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-get-profile.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>profile_tier_level</p></td> |
| <td class="parameter_description"><p>Pointer to the profile_tier_level |
| structure for the stream.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>profile_tier_level</code></em> |
| </p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-get-profile.returns"></a><h4>Returns</h4> |
| <p> The profile as a const string, or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there is an error.</p> |
| <p>Since 1.4</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h265-get-tier"></a><h3>gst_codec_utils_h265_get_tier ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_h265_get_tier (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *profile_tier_level</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Converts the tier indication (general_tier_flag) in the stream's |
| profile_tier_level structure into a string. The profile_tier_level |
| is expected to have the same format as for <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-get-profile" title="gst_codec_utils_h264_get_profile ()"><code class="function">gst_codec_utils_h264_get_profile()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-get-tier.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>profile_tier_level</p></td> |
| <td class="parameter_description"><p>Pointer to the profile_tier_level structure |
| for the stream.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>profile_tier_level</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-get-tier.returns"></a><h4>Returns</h4> |
| <p> The tier as a const string, or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there is an error.</p> |
| <p>Since 1.4</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h265-get-level"></a><h3>gst_codec_utils_h265_get_level ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_h265_get_level (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *profile_tier_level</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Converts the level indication (general_level_idc) in the stream's |
| profile_tier_level structure into a string. The profiel_tier_level is |
| expected to have the same format as for <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h264-get-profile" title="gst_codec_utils_h264_get_profile ()"><code class="function">gst_codec_utils_h264_get_profile()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-get-level.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>profile_tier_level</p></td> |
| <td class="parameter_description"><p>Pointer to the profile_tier_level structure |
| for the stream</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>profile_tier_level</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-get-level.returns"></a><h4>Returns</h4> |
| <p> The level as a const string, or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if there is an error.</p> |
| <p>Since 1.4</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h265-get-level-idc"></a><h3>gst_codec_utils_h265_get_level_idc ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="returnvalue">guint8</span></a> |
| gst_codec_utils_h265_get_level_idc (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *level</code></em>);</pre> |
| <p>Transform a level string from the caps into the level_idc</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-get-level-idc.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>level</p></td> |
| <td class="parameter_description"><p>A level string from caps</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-get-level-idc.returns"></a><h4>Returns</h4> |
| <p> the level_idc or 0 if the level is unknown</p> |
| <p>Since 1.4</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-h265-caps-set-level-tier-and-profile"></a><h3>gst_codec_utils_h265_caps_set_level_tier_and_profile ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_codec_utils_h265_caps_set_level_tier_and_profile |
| (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *profile_tier_level</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Sets the level, tier and profile in <em class="parameter"><code>caps</code></em> |
| if it can be determined from |
| <em class="parameter"><code>profile_tier_level</code></em> |
| . See <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h265-get-level" title="gst_codec_utils_h265_get_level ()"><code class="function">gst_codec_utils_h265_get_level()</code></a>, |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h265-get-tier" title="gst_codec_utils_h265_get_tier ()"><code class="function">gst_codec_utils_h265_get_tier()</code></a> and <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-h265-get-profile" title="gst_codec_utils_h265_get_profile ()"><code class="function">gst_codec_utils_h265_get_profile()</code></a> |
| for more details on the parameters.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-caps-set-level-tier-and-profile.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> to which the level, tier and profile are to be added</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>profile_tier_level</p></td> |
| <td class="parameter_description"><p>Pointer to the profile_tier_level struct</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>profile_tier_level</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-h265-caps-set-level-tier-and-profile.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the level, tier, profile could be set, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| <p>Since 1.4</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-mpeg4video-get-profile"></a><h3>gst_codec_utils_mpeg4video_get_profile ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_mpeg4video_get_profile |
| (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *vis_obj_seq</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Converts the profile indication in the stream's visual object sequence into |
| a string. <em class="parameter"><code>vis_obj_seq</code></em> |
| is expected to be the data following the visual |
| object sequence start code. Only the first byte |
| (profile_and_level_indication) is used.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-mpeg4video-get-profile.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>vis_obj_seq</p></td> |
| <td class="parameter_description"><p>Pointer to the visual object sequence for the stream.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>sps</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-mpeg4video-get-profile.returns"></a><h4>Returns</h4> |
| <p> The profile as a const string, or NULL if there is an error.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-mpeg4video-get-level"></a><h3>gst_codec_utils_mpeg4video_get_level ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_codec_utils_mpeg4video_get_level (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *vis_obj_seq</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Converts the level indication in the stream's visual object sequence into |
| a string. <em class="parameter"><code>vis_obj_seq</code></em> |
| is expected to be the data following the visual |
| object sequence start code. Only the first byte |
| (profile_and_level_indication) is used.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-mpeg4video-get-level.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>vis_obj_seq</p></td> |
| <td class="parameter_description"><p>Pointer to the visual object sequence for the stream.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>sps</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-mpeg4video-get-level.returns"></a><h4>Returns</h4> |
| <p> The level as a const string, or NULL if there is an error.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-mpeg4video-caps-set-level-and-profile"></a><h3>gst_codec_utils_mpeg4video_caps_set_level_and_profile ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_codec_utils_mpeg4video_caps_set_level_and_profile |
| (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *vis_obj_seq</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre> |
| <p>Sets the level and profile in <em class="parameter"><code>caps</code></em> |
| if it can be determined from |
| <em class="parameter"><code>vis_obj_seq</code></em> |
| . See <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-mpeg4video-get-level" title="gst_codec_utils_mpeg4video_get_level ()"><code class="function">gst_codec_utils_mpeg4video_get_level()</code></a> and |
| <a class="link" href="gst-plugins-base-libs-gstpbutilscodecutils.html#gst-codec-utils-mpeg4video-get-profile" title="gst_codec_utils_mpeg4video_get_profile ()"><code class="function">gst_codec_utils_mpeg4video_get_profile()</code></a> for more details on the |
| parameters.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-mpeg4video-caps-set-level-and-profile.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> to which the level and profile are to be added</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>vis_obj_seq</p></td> |
| <td class="parameter_description"><p>Pointer to the visual object sequence for the stream.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>len</p></td> |
| <td class="parameter_description"><p>Length of the data available in <em class="parameter"><code>sps</code></em> |
| .</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-mpeg4video-caps-set-level-and-profile.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the level and profile could be set, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-opus-create-caps"></a><h3>gst_codec_utils_opus_create_caps ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> * |
| gst_codec_utils_opus_create_caps (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint32"><span class="type">guint32</span></a> rate</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> channels</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> channel_mapping_family</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> stream_count</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> coupled_count</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *channel_mapping</code></em>);</pre> |
| <p>Creates Opus caps from the given parameters.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-create-caps.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>rate</p></td> |
| <td class="parameter_description"><p>the sample rate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channels</p></td> |
| <td class="parameter_description"><p>the number of channels</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel_mapping_family</p></td> |
| <td class="parameter_description"><p>the channel mapping family</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>stream_count</p></td> |
| <td class="parameter_description"><p>the number of independent streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>coupled_count</p></td> |
| <td class="parameter_description"><p>the number of stereo streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel_mapping</p></td> |
| <td class="parameter_description"><p> the mapping between the streams. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-create-caps.returns"></a><h4>Returns</h4> |
| <p> The <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a>.</p> |
| </div> |
| <p class="since">Since: 1.8</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-opus-create-caps-from-header"></a><h3>gst_codec_utils_opus_create_caps_from_header ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="returnvalue">GstCaps</span></a> * |
| gst_codec_utils_opus_create_caps_from_header |
| (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *header</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *comments</code></em>);</pre> |
| <p>Creates Opus caps from the given OpusHead <em class="parameter"><code>header</code></em> |
| and comment header |
| <em class="parameter"><code>comments</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-create-caps-from-header.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>header</p></td> |
| <td class="parameter_description"><p>OpusHead header</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>comments</p></td> |
| <td class="parameter_description"><p> Comment header or NULL. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-create-caps-from-header.returns"></a><h4>Returns</h4> |
| <p> The <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a>.</p> |
| </div> |
| <p class="since">Since: 1.8</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-opus-parse-caps"></a><h3>gst_codec_utils_opus_parse_caps ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_codec_utils_opus_parse_caps (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> *caps</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint32"><span class="type">guint32</span></a> *rate</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *channels</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *channel_mapping_family</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *stream_count</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *coupled_count</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> channel_mapping[256]</code></em>);</pre> |
| <p>Parses Opus caps and fills the different fields with defaults if possible.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-parse-caps.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>caps</p></td> |
| <td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstCaps.html#GstCaps-struct"><span class="type">GstCaps</span></a> to which the level and profile are to be added</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>rate</p></td> |
| <td class="parameter_description"><p>the sample rate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channels</p></td> |
| <td class="parameter_description"><p>the number of channels</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel_mapping_family</p></td> |
| <td class="parameter_description"><p>the channel mapping family</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>stream_count</p></td> |
| <td class="parameter_description"><p>the number of independent streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>coupled_count</p></td> |
| <td class="parameter_description"><p>the number of stereo streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel_mapping</p></td> |
| <td class="parameter_description"><p>the mapping between the streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-parse-caps.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if parsing was successful, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| <p class="since">Since: 1.8</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-opus-create-header"></a><h3>gst_codec_utils_opus_create_header ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> * |
| gst_codec_utils_opus_create_header (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint32"><span class="type">guint32</span></a> rate</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> channels</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> channel_mapping_family</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> stream_count</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> coupled_count</code></em>, |
| <em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *channel_mapping</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint16"><span class="type">guint16</span></a> pre_skip</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint16"><span class="type">gint16</span></a> output_gain</code></em>);</pre> |
| <p>Creates OpusHead header from the given parameters.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-create-header.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>rate</p></td> |
| <td class="parameter_description"><p>the sample rate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channels</p></td> |
| <td class="parameter_description"><p>the number of channels</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel_mapping_family</p></td> |
| <td class="parameter_description"><p>the channel mapping family</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>stream_count</p></td> |
| <td class="parameter_description"><p>the number of independent streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>coupled_count</p></td> |
| <td class="parameter_description"><p>the number of stereo streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel_mapping</p></td> |
| <td class="parameter_description"><p> the mapping between the streams. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>pre_skip</p></td> |
| <td class="parameter_description"><p>Pre-skip in 48kHz samples or 0</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>output_gain</p></td> |
| <td class="parameter_description"><p>Output gain or 0</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-create-header.returns"></a><h4>Returns</h4> |
| <p> The <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> containing the OpusHead.</p> |
| </div> |
| <p class="since">Since: 1.8</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-codec-utils-opus-parse-header"></a><h3>gst_codec_utils_opus_parse_header ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_codec_utils_opus_parse_header (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a> *header</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint32"><span class="type">guint32</span></a> *rate</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *channels</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *channel_mapping_family</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *stream_count</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *coupled_count</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint8"><span class="type">guint8</span></a> channel_mapping[256]</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint16"><span class="type">guint16</span></a> *pre_skip</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint16"><span class="type">gint16</span></a> *output_gain</code></em>);</pre> |
| <p>Parses the OpusHead header.</p> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-parse-header.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>header</p></td> |
| <td class="parameter_description"><p>the OpusHead <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstBuffer.html#GstBuffer-struct"><span class="type">GstBuffer</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>rate</p></td> |
| <td class="parameter_description"><p>the sample rate</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channels</p></td> |
| <td class="parameter_description"><p>the number of channels</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel_mapping_family</p></td> |
| <td class="parameter_description"><p>the channel mapping family</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>stream_count</p></td> |
| <td class="parameter_description"><p>the number of independent streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>coupled_count</p></td> |
| <td class="parameter_description"><p>the number of stereo streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel_mapping</p></td> |
| <td class="parameter_description"><p>the mapping between the streams</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>pre_skip</p></td> |
| <td class="parameter_description"><p>Pre-skip in 48kHz samples or 0</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>output_gain</p></td> |
| <td class="parameter_description"><p>Output gain or 0</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-codec-utils-opus-parse-header.returns"></a><h4>Returns</h4> |
| <p> <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if parsing was successful, <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| <p class="since">Since: 1.8</p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstpbutilscodecutils.other_details"></a><h2>Types and Values</h2> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.25</div> |
| </body> |
| </html> |
