mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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docs: use the gtk-doc syntax to link to properties
Don't use docbook unless needed. Also stip other docbook tags in the the files we fix.
This commit is contained in:
Stefan Sauer
parent
3abad7af66
commit
35da463618
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@ -20,34 +20,24 @@
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/**
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* SECTION:element-capssetter
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*
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* <refsect2>
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* <para>
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* Sets or merges caps on a stream's buffers.
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* That is, a buffer's caps are updated using (fields of)
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* <link linkend="GstCapsSetter--caps">caps</link>. Note that this may
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* contain multiple structures (though not likely recommended), but each
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* of these must be fixed (or will otherwise be rejected).
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* </para>
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* <para>
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* If <link linkend="GstCapsSetter--join">join</link>
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* is TRUE, then the incoming caps' mime-type is compared to the mime-type(s)
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* of provided caps and only matching structure(s) are considered for updating.
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* </para>
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* <para>
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* If <link linkend="GstCapsSetter--replace">replace</link>
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* is TRUE, then any caps update is preceded by clearing existing fields,
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* making provided fields (as a whole) replace incoming ones.
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* Otherwise, no clearing is performed, in which case provided fields are
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* added/merged onto incoming caps
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* </para>
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* <para>
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* Sets or merges caps on a stream's buffers. That is, a buffer's caps are
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* updated using (fields of) #GstCapsSetter:caps. Note that this may contain
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* multiple structures (though not likely recommended), but each of these must
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* be fixed (or will otherwise be rejected).
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*
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* If #GstCapsSetter:join is %TRUE, then the incoming caps' mime-type is
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* compared to the mime-type(s) of provided caps and only matching structure(s)
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* are considered for updating.
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*
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* If #GstCapsSetter:replace is %TRUE, then any caps update is preceded by
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* clearing existing fields, making provided fields (as a whole) replace
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* incoming ones. Otherwise, no clearing is performed, in which case provided
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* fields are added/merged onto incoming caps
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*
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* Although this element might mainly serve as debug helper,
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* it can also practically be used to correct a faulty pixel-aspect-ratio,
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* or to modify a yuv fourcc value to effectively swap chroma components or such
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* alike.
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* </para>
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* </refsect2>
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*
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*/
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@ -65,35 +65,21 @@
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* The fragmented file features defined (only) in ISO Base Media are used by
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* ISMV files making up (a.o.) Smooth Streaming (ismlmux).
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*
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* A few properties (<link linkend="GstMP4Mux--movie-timescale">movie-timescale</link>,
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* <link linkend="GstMP4Mux--trak-timescale">trak-timescale</link>) allow adjusting
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* some technical parameters, which might be useful in (rare) cases to resolve
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* compatibility issues in some situations.
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* A few properties (#GstMp4Mux:movie-timescale, #GstMp4Mux:trak-timescale)
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* allow adjusting some technical parameters, which might be useful in (rare)
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* cases to resolve compatibility issues in some situations.
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*
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* Some other properties influence the result more fundamentally.
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* A typical mov/mp4 file's metadata (aka moov) is located at the end of the file,
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* somewhat contrary to this usually being called "the header".
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* However, a <link linkend="GstMP4Mux--faststart">faststart</link> file will
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* (with some effort) arrange this to be located near start of the file,
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* which then allows it e.g. to be played while downloading.
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* Alternatively, rather than having one chunk of metadata at start (or end),
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* there can be some metadata at start and most of the other data can be spread
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* out into fragments of <link linkend="GstMP4Mux--fragment-duration">fragment-duration</link>.
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* A typical mov/mp4 file's metadata (aka moov) is located at the end of the
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* file, somewhat contrary to this usually being called "the header".
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* However, a #GstMp4Mux:faststart file will (with some effort) arrange this to
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* be located near start of the file, which then allows it e.g. to be played
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* while downloading. Alternatively, rather than having one chunk of metadata at
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* start (or end), there can be some metadata at start and most of the other
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* data can be spread out into fragments of #GstMp4Mux:fragment-duration.
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* If such fragmented layout is intended for streaming purposes, then
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* <link linkend="GstMP4Mux--streamable">streamable</link> allows foregoing to add
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* index metadata (at the end of file).
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*
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* <link linkend="GstMP4Mux--dts-method">dts-method</link> allows selecting a
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* method for managing input timestamps (stay tuned for 0.11 to have this
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* automagically settled). The default delta/duration method should handle nice
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* (aka perfect streams) just fine, but may experience problems otherwise
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* (e.g. input stream with re-ordered B-frames and/or with frame dropping).
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* The re-ordering approach re-assigns incoming timestamps in ascending order
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* to incoming buffers and offers an alternative in such cases. In cases where
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* that might fail, the remaining method can be tried, which is exact and
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* according to specs, but might experience playback on not so spec-wise players.
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* Note that this latter approach also requires one to enable
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* <link linkend="GstMP4Mux--presentation-timestamp">presentation-timestamp</link>.
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* #GstMp4Mux:streamable allows foregoing to add index metadata (at the end of
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* file).
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*
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* <refsect2>
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* <title>Example pipelines</title>
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@ -129,35 +115,21 @@
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* The fragmented file features defined (only) in ISO Base Media are used by
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* ISMV files making up (a.o.) Smooth Streaming (ismlmux).
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*
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* A few properties (<link linkend="Gst3GPPMux--movie-timescale">movie-timescale</link>,
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* <link linkend="Gst3GPPMux--trak-timescale">trak-timescale</link>) allow adjusting
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* some technical parameters, which might be useful in (rare) cases to resolve
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* compatibility issues in some situations.
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* A few properties (#Gst3GPPMux:movie-timescale, #Gst3GPPMux:trak-timescale)
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* allow adjusting some technical parameters, which might be useful in (rare)
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* cases to resolve compatibility issues in some situations.
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*
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* Some other properties influence the result more fundamentally.
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* A typical mov/mp4 file's metadata (aka moov) is located at the end of the file,
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* somewhat contrary to this usually being called "the header".
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* However, a <link linkend="Gst3GPPMux--faststart">faststart</link> file will
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* (with some effort) arrange this to be located near start of the file,
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* which then allows it e.g. to be played while downloading.
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* Alternatively, rather than having one chunk of metadata at start (or end),
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* there can be some metadata at start and most of the other data can be spread
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* out into fragments of <link linkend="Gst3GPPMux--fragment-duration">fragment-duration</link>.
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* If such fragmented layout is intended for streaming purposes, then
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* <link linkend="Gst3GPPMux--streamable">streamable</link> allows foregoing to add
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* index metadata (at the end of file).
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*
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* <link linkend="Gst3GPPMux--dts-method">dts-method</link> allows selecting a
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* method for managing input timestamps (stay tuned for 0.11 to have this
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* automagically settled). The default delta/duration method should handle nice
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* (aka perfect streams) just fine, but may experience problems otherwise
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* (e.g. input stream with re-ordered B-frames and/or with frame dropping).
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* The re-ordering approach re-assigns incoming timestamps in ascending order
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* to incoming buffers and offers an alternative in such cases. In cases where
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* that might fail, the remaining method can be tried, which is exact and
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* according to specs, but might experience playback on not so spec-wise players.
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* Note that this latter approach also requires one to enable
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* <link linkend="Gst3GPPMux--presentation-timestamp">presentation-timestamp</link>.
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* somewhat contrary to this usually being called "the header". However, a
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* #Gst3GPPMux:faststart file will (with some effort) arrange this to be located
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* near start of the file, which then allows it e.g. to be played while
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* downloading. Alternatively, rather than having one chunk of metadata at start
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* (or end), there can be some metadata at start and most of the other data can
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* be spread out into fragments of #Gst3GPPMux:fragment-duration. If such
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* fragmented layout is intended for streaming purposes, then
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* #Gst3GPPMux:streamable allows foregoing to add index metadata (at the end of
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* file).
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*
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* <refsect2>
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* <title>Example pipelines</title>
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@ -193,35 +165,21 @@
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* The fragmented file features defined (only) in ISO Base Media are used by
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* ISMV files making up (a.o.) Smooth Streaming (ismlmux).
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*
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* A few properties (<link linkend="GstMJ2Mux--movie-timescale">movie-timescale</link>,
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* <link linkend="GstMJ2Mux--trak-timescale">trak-timescale</link>) allow adjusting
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* some technical parameters, which might be useful in (rare) cases to resolve
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* compatibility issues in some situations.
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* A few properties (#GstMJ2Mux:movie-timescale, #GstMJ2Mux:trak-timescale)
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* allow adjusting some technical parameters, which might be useful in (rare)
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* cases to resolve compatibility issues in some situations.
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*
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* Some other properties influence the result more fundamentally.
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* A typical mov/mp4 file's metadata (aka moov) is located at the end of the file,
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* somewhat contrary to this usually being called "the header".
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* However, a <link linkend="GstMJ2Mux--faststart">faststart</link> file will
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* (with some effort) arrange this to be located near start of the file,
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* which then allows it e.g. to be played while downloading.
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* Alternatively, rather than having one chunk of metadata at start (or end),
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* there can be some metadata at start and most of the other data can be spread
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* out into fragments of <link linkend="GstMJ2Mux--fragment-duration">fragment-duration</link>.
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* If such fragmented layout is intended for streaming purposes, then
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* <link linkend="GstMJ2Mux--streamable">streamable</link> allows foregoing to add
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* index metadata (at the end of file).
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*
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* <link linkend="GstMJ2Mux--dts-method">dts-method</link> allows selecting a
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* method for managing input timestamps (stay tuned for 0.11 to have this
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* automagically settled). The default delta/duration method should handle nice
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* (aka perfect streams) just fine, but may experience problems otherwise
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* (e.g. input stream with re-ordered B-frames and/or with frame dropping).
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* The re-ordering approach re-assigns incoming timestamps in ascending order
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* to incoming buffers and offers an alternative in such cases. In cases where
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* that might fail, the remaining method can be tried, which is exact and
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* according to specs, but might experience playback on not so spec-wise players.
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* Note that this latter approach also requires one to enable
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* <link linkend="GstMJ2Mux--presentation-timestamp">presentation-timestamp</link>.
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* somewhat contrary to this usually being called "the header". However, a
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* #GstMJ2Mux:faststart file will (with some effort) arrange this to be located
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* near start of the file, which then allows it e.g. to be played while
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* downloading. Alternatively, rather than having one chunk of metadata at start
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* (or end), there can be some metadata at start and most of the other data can
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* be spread out into fragments of #GstMJ2Mux:fragment-duration. If such
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* fragmented layout is intended for streaming purposes, then
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* #GstMJ2Mux:streamable allows foregoing to add index metadata (at the end of
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* file).
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*
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* <refsect2>
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* <title>Example pipelines</title>
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@ -257,35 +215,21 @@
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* The fragmented file features defined (only) in ISO Base Media are used by
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* ISMV files making up (a.o.) Smooth Streaming (ismlmux).
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*
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* A few properties (<link linkend="GstISMLMux--movie-timescale">movie-timescale</link>,
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* <link linkend="GstISMLMux--trak-timescale">trak-timescale</link>) allow adjusting
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* some technical parameters, which might be useful in (rare) cases to resolve
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* compatibility issues in some situations.
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* A few properties (#GstISMLMux:movie-timescale, #GstISMLMux:trak-timescale)
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* allow adjusting some technical parameters, which might be useful in (rare)
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* cases to resolve compatibility issues in some situations.
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*
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* Some other properties influence the result more fundamentally.
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* A typical mov/mp4 file's metadata (aka moov) is located at the end of the file,
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* somewhat contrary to this usually being called "the header".
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* However, a <link linkend="GstISMLMux--faststart">faststart</link> file will
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* (with some effort) arrange this to be located near start of the file,
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* which then allows it e.g. to be played while downloading.
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* Alternatively, rather than having one chunk of metadata at start (or end),
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* there can be some metadata at start and most of the other data can be spread
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* out into fragments of <link linkend="GstISMLMux--fragment-duration">fragment-duration</link>.
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* If such fragmented layout is intended for streaming purposes, then
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* <link linkend="GstISMLMux--streamable">streamable</link> allows foregoing to add
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* index metadata (at the end of file).
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*
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* <link linkend="GstISMLMux--dts-method">dts-method</link> allows selecting a
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* method for managing input timestamps (stay tuned for 0.11 to have this
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* automagically settled). The default delta/duration method should handle nice
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* (aka perfect streams) just fine, but may experience problems otherwise
|
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* (e.g. input stream with re-ordered B-frames and/or with frame dropping).
|
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* The re-ordering approach re-assigns incoming timestamps in ascending order
|
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* to incoming buffers and offers an alternative in such cases. In cases where
|
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* that might fail, the remaining method can be tried, which is exact and
|
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* according to specs, but might experience playback on not so spec-wise players.
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* Note that this latter approach also requires one to enable
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* <link linkend="GstISMLMux--presentation-timestamp">presentation-timestamp</link>.
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* somewhat contrary to this usually being called "the header". However, a
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* #GstISMLMux:faststart file will (with some effort) arrange this to be located
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* near start of the file, which then allows it e.g. to be played while
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* downloading. Alternatively, rather than having one chunk of metadata at start
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* (or end), there can be some metadata at start and most of the other data can
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* be spread out into fragments of #GstISMLMux:fragment-duration. If such
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* fragmented layout is intended for streaming purposes, then
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* #GstISMLMux:streamable allows foregoing to add index metadata (at the end of
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* file).
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*
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* <refsect2>
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* <title>Example pipelines</title>
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|
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@ -64,23 +64,21 @@
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* The fragmented file features defined (only) in ISO Base Media are used by
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* ISMV files making up (a.o.) Smooth Streaming (ismlmux).
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*
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* A few properties (<link linkend="GstQTMux--movie-timescale">movie-timescale</link>,
|
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* <link linkend="GstQTMux--trak-timescale">trak-timescale</link>) allow adjusting
|
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* some technical parameters, which might be useful in (rare) cases to resolve
|
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* compatibility issues in some situations.
|
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* A few properties (#GstQTMux:movie-timescale, #GstQTMux:trak-timescale) allow
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* adjusting some technical parameters, which might be useful in (rare) cases to
|
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* resolve compatibility issues in some situations.
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*
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* Some other properties influence the result more fundamentally.
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* A typical mov/mp4 file's metadata (aka moov) is located at the end of the file,
|
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* somewhat contrary to this usually being called "the header".
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* However, a <link linkend="GstQTMux--faststart">faststart</link> file will
|
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* (with some effort) arrange this to be located near start of the file,
|
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* which then allows it e.g. to be played while downloading.
|
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* Alternatively, rather than having one chunk of metadata at start (or end),
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* there can be some metadata at start and most of the other data can be spread
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* out into fragments of <link linkend="GstQTMux--fragment-duration">fragment-duration</link>.
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* A typical mov/mp4 file's metadata (aka moov) is located at the end of the
|
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* file, somewhat contrary to this usually being called "the header".
|
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* However, a #GstQTMux:faststart file will (with some effort) arrange this to
|
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* be located near start of the file, which then allows it e.g. to be played
|
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* while downloading. Alternatively, rather than having one chunk of metadata at
|
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* start (or end), there can be some metadata at start and most of the other
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* data can be spread out into fragments of #GstQTMux:fragment-duration.
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* If such fragmented layout is intended for streaming purposes, then
|
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* <link linkend="GstQTMux--streamable">streamable</link> allows foregoing to add
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* index metadata (at the end of file).
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* #GstQTMux:streamable allows foregoing to add index metadata (at the end of
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* file).
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*
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* <refsect2>
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* <title>Example pipelines</title>
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|
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@ -76,12 +76,10 @@
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* #GValueArray of #gdouble
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* <classname>"decay"</classname>:
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* the decaying peak power level in dB for each channel
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* the decaying peak level follows the peak level, but starts dropping
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* if no new peak is reached after the time given by
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* the <link linkend="GstLevel--peak-ttl">the time to live</link>.
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* When the decaying peak level drops, it does so at the decay rate
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* as specified by the
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* <link linkend="GstLevel--peak-falloff">the peak falloff rate</link>.
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* The decaying peak level follows the peak level, but starts dropping if no
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* new peak is reached after the time given by the #GstLevel:peak-ttl.
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* When the decaying peak level drops, it does so at the decay rate as
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* specified by the #GstLevel:peak-falloff.
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* </para>
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* </listitem>
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* <listitem>
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@ -39,9 +39,9 @@
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* their output since they generally save metadata in the file header.
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* Therefore, it is often necessary that applications read the results in a bus
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* event handler for the tag message. Obtaining the values this way is always
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* needed for <link linkend="GstRgAnalysis--num-tracks">album processing</link>
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* since the album gain and peak values need to be associated with all tracks of
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* an album, not just the last one.
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* needed for album processing (see #GstRgAnalysis:num-tracks property) since
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* the album gain and peak values need to be associated with all tracks of an
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* album, not just the last one.
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*
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* <refsect2>
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* <title>Example launch lines</title>
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|
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@ -162,8 +162,7 @@ gst_rg_volume_class_init (GstRgVolumeClass * klass)
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*
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* If album mode is enabled but the album gain tag is absent in the stream,
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* the track gain is used instead. If both gain tags are missing, the value
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* of the <link linkend="GstRgVolume--fallback-gain">fallback-gain</link>
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* property is used instead.
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* of the #GstRgVolume:fallback-gain property is used instead.
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*/
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g_object_class_install_property (gobject_class, PROP_ALBUM_MODE,
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g_param_spec_boolean ("album-mode", "Album mode",
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@ -223,24 +222,22 @@ gst_rg_volume_class_init (GstRgVolumeClass * klass)
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*
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* Applied gain [dB]. This gain is applied to processed buffer data.
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*
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* This is set to the <link linkend="GstRgVolume--target-gain">target
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* gain</link> if amplification by that amount can be applied safely.
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* "Safely" means that the volume adjustment does not inflict clipping
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* distortion. Should this not be the case, the result gain is set to an
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* appropriately reduced value (by applying peak normalization). The proposed
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* standard calls this "clipping prevention".
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* This is set to the #GstRgVolume:target-gain if amplification by that amount
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* can be applied safely. "Safely" means that the volume adjustment does not
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* inflict clipping distortion. Should this not be the case, the result gain
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* is set to an appropriately reduced value (by applying peak normalization).
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* The proposed standard calls this "clipping prevention".
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*
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* The difference between target and result gain reflects the necessary amount
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* of reduction. Applications can make use of this information to temporarily
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* reduce the <link linkend="GstRgVolume--pre-amp">pre-amp</link> for
|
||||
* subsequent streams, as recommended by the ReplayGain standard.
|
||||
* reduce the #GstRgVolume:pre-amp for subsequent streams, as recommended by
|
||||
* the ReplayGain standard.
|
||||
*
|
||||
* Note that target and result gain differing for a great majority of streams
|
||||
* indicates a problem: What happens in this case is that most streams receive
|
||||
* peak normalization instead of amplification by the ideal replay gain. To
|
||||
* prevent this, the <link linkend="GstRgVolume--pre-amp">pre-amp</link> has
|
||||
* to be lowered and/or a limiter has to be used which facilitates the use of
|
||||
* <link linkend="GstRgVolume--headroom">headroom</link>.
|
||||
* prevent this, the #GstRgVolume:pre-amp has to be lowered and/or a limiter
|
||||
* has to be used which facilitates the use of #GstRgVolume:headroom.
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_RESULT_GAIN,
|
||||
g_param_spec_double ("result-gain", "Result-gain", "Applied gain [dB]",
|
||||
|
|
@ -250,18 +247,14 @@ gst_rg_volume_class_init (GstRgVolumeClass * klass)
|
|||
*
|
||||
* Applicable gain [dB]. This gain is supposed to be applied.
|
||||
*
|
||||
* Depending on the value of the <link
|
||||
* linkend="GstRgVolume--album-mode">album-mode</link> property and the
|
||||
* Depending on the value of the #GstRgVolume:album-mode property and the
|
||||
* presence of ReplayGain tags in the stream, this is set according to one of
|
||||
* these simple formulas:
|
||||
*
|
||||
* <itemizedlist>
|
||||
* <listitem><link linkend="GstRgVolume--pre-amp">pre-amp</link> + album gain
|
||||
* of the stream</listitem>
|
||||
* <listitem><link linkend="GstRgVolume--pre-amp">pre-amp</link> + track gain
|
||||
* of the stream</listitem>
|
||||
* <listitem><link linkend="GstRgVolume--pre-amp">pre-amp</link> + <link
|
||||
* linkend="GstRgVolume--fallback-gain">fallback gain</link></listitem>
|
||||
* <listitem>#GstRgVolume:pre-amp + album gain of the stream</listitem>
|
||||
* <listitem>#GstRgVolume:pre-amp + track gain of the stream</listitem>
|
||||
* <listitem>#GstRgVolume:pre-amp + #GstRgVolume:fallback-gain</listitem>
|
||||
* </itemizedlist>
|
||||
*/
|
||||
g_object_class_install_property (gobject_class, PROP_TARGET_GAIN,
|
||||
|
|
|
|||
Loading…
Reference in a new issue