ttml: Add plugin that supports TTML subtitles

Add a parser (ttmlparse) and renderer (ttmlrender) element that handle
subtitles that use the EBU-TT-D profile of TTML1.

https://bugzilla.gnome.org/show_bug.cgi?id=758232

3 files changed, 83 insertions, 0 deletions

diff --git a/docs/plugins/gst-plugins-bad-plugins-docs.sgml b/docs/plugins/gst-plugins-bad-plugins-docs.sgml
index dea23550e..70b1ea017 100644
--- a/docs/plugins/gst-plugins-bad-plugins-docs.sgml
+++ b/docs/plugins/gst-plugins-bad-plugins-docs.sgml
@@ -152,6 +152,8 @@
     <xi:include href="xml/element-wavescope.xml" />
     <xi:include href="xml/element-webrtcdsp.xml" />
     <xi:include href="xml/element-webrtcechoprobe.xml" />
+    <xi:include href="xml/element-ttmlparse.xml" />
+    <xi:include href="xml/element-ttmlrender.xml" />
   </chapter>
 
   <chapter>
@@ -203,5 +205,6 @@
     <xi:include href="xml/plugin-voamrwbenc.xml" />
     <xi:include href="xml/plugin-webrtcdsp.xml" />
     <xi:include href="xml/plugin-zbar.xml" />
+    <xi:include href="xml/plugin-ttmlsubs.xml" />
   </chapter>
 </book>
diff --git a/docs/plugins/gst-plugins-bad-plugins-sections.txt b/docs/plugins/gst-plugins-bad-plugins-sections.txt
index ba933c196..811c0e5f0 100644
--- a/docs/plugins/gst-plugins-bad-plugins-sections.txt
+++ b/docs/plugins/gst-plugins-bad-plugins-sections.txt
@@ -4805,3 +4805,22 @@ GST_TYPE_FFECTS_XRAY
 gst_ffects_xray_get_type
 </SECTION>
 
+<SECTION>
+<FILE>element-ttmlparse</FILE>
+<TITLE>ttmlparse</TITLE>
+GstTtmlParse
+<SUBSECTION Standard>
+GstTtmlParseClass
+GST_TYPE_TTML_PARSE
+gst_ttml_parse_get_type
+</SECTION>
+
+<SECTION>
+<FILE>element-ttmlrender</FILE>
+<TITLE>ttmlrender</TITLE>
+GstTtmlRender
+<SUBSECTION Standard>
+GstTtmlRenderClass
+GST_TYPE_TTML_RENDER
+gst_ttml_render_get_type
+</SECTION>
diff --git a/docs/plugins/inspect/plugin-ttmlsubs.xml b/docs/plugins/inspect/plugin-ttmlsubs.xml
new file mode 100644
index 000000000..4d10360b8
--- /dev/null
+++ b/docs/plugins/inspect/plugin-ttmlsubs.xml
@@ -0,0 +1,61 @@
+<plugin>
+  <name>ttmlsubs</name>
+  <description>TTML subtitle handling</description>
+  <filename>../../ext/ttml/.libs/libgstttmlsubs.so</filename>
+  <basename>libgstttmlsubs.so</basename>
+  <version>1.9.90</version>
+  <license>LGPL</license>
+  <source>gst-plugins-bad</source>
+  <package>gst-ttml</package>
+  <origin>http://www.bbc.co.uk/rd</origin>
+  <elements>
+    <element>
+      <name>ttmlparse</name>
+      <longname>TTML subtitle parser</longname>
+      <class>Codec/Parser/Subtitle</class>
+      <description>Parses TTML subtitle files</description>
+      <author>GStreamer maintainers &lt;gstreamer-devel@lists.sourceforge.net&gt;, Chris Bass &lt;dash@rd.bbc.co.uk&gt;</author>
+      <pads>
+        <caps>
+          <name>sink</name>
+          <direction>sink</direction>
+          <presence>always</presence>
+          <details>application/ttml+xml</details>
+        </caps>
+        <caps>
+          <name>src</name>
+          <direction>source</direction>
+          <presence>always</presence>
+          <details>text/x-raw(meta:GstSubtitleMeta)</details>
+        </caps>
+      </pads>
+    </element>
+    <element>
+      <name>ttmlrender</name>
+      <longname>TTML subtitle renderer</longname>
+      <class>Overlay/Subtitle</class>
+      <description>Renders timed-text subtitles on top of video buffers</description>
+      <author>David Schleef &lt;ds@schleef.org&gt;, Zeeshan Ali &lt;zeeshan.ali@nokia.com&gt;, Chris Bass &lt;dash@rd.bbc.co.uk&gt;</author>
+      <pads>
+        <caps>
+          <name>text_sink</name>
+          <direction>sink</direction>
+          <presence>always</presence>
+          <details>text/x-raw(meta:GstSubtitleMeta)</details>
+        </caps>
+        <caps>
+          <name>video_sink</name>
+          <direction>sink</direction>
+          <presence>always</presence>
+          <details>video/x-raw, format=(string){ BGRx, RGBx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, I420, YV12, AYUV, YUY2, UYVY, v308, Y41B, Y42B, Y444, NV12, NV21, A420, YUV9, YVU9, IYU1, GRAY8 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw(ANY), format=(string){ I420, YV12, YUY2, UYVY, AYUV, RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, Y444, v210, v216, NV12, NV21, NV16, NV61, NV24, GRAY8, GRAY16_BE, GRAY16_LE, v308, IYU2, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210, I420_10LE, I420_10BE, I422_10LE, I422_10BE, Y444_10LE, Y444_10BE, GBR, GBR_10LE, GBR_10BE, NV12_64Z32, A420_10LE, A420_10BE, A422_10LE, A422_10BE, A444_10LE, A444_10BE, P010_10LE, P010_10BE }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</details>
+        </caps>
+        <caps>
+          <name>src</name>
+          <direction>source</direction>
+          <presence>always</presence>
+          <details>video/x-raw, format=(string){ BGRx, RGBx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, I420, YV12, AYUV, YUY2, UYVY, v308, Y41B, Y42B, Y444, NV12, NV21, A420, YUV9, YVU9, IYU1, GRAY8 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]; video/x-raw(ANY), format=(string){ I420, YV12, YUY2, UYVY, AYUV, RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR, Y41B, Y42B, YVYU, Y444, v210, v216, NV12, NV21, NV16, NV61, NV24, GRAY8, GRAY16_BE, GRAY16_LE, v308, IYU2, RGB16, BGR16, RGB15, BGR15, UYVP, A420, RGB8P, YUV9, YVU9, IYU1, ARGB64, AYUV64, r210, I420_10LE, I420_10BE, I422_10LE, I422_10BE, Y444_10LE, Y444_10BE, GBR, GBR_10LE, GBR_10BE, NV12_64Z32, A420_10LE, A420_10BE, A422_10LE, A422_10BE, A444_10LE, A444_10BE, P010_10LE, P010_10BE }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</details>
+        </caps>
+      </pads>
+    </element>
+  </elements>
+</plugin>
\ No newline at end of file