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Add documentation for decodebin2 that indicates that the API is still unstable.

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Original commit message from CVS:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-base-plugins-docs.sgml:
* docs/plugins/gst-plugins-base-plugins-sections.txt:
* docs/plugins/inspect/plugin-decodebin2.xml:
* gst/playback/gstdecodebin2.c: (gst_decode_bin_class_init):
Add documentation for decodebin2 that indicates that the API
is still unstable.
This commit is contained in:
Jan Schmidt 2007-03-02 12:59:15 +00:00
parent d11000959b
commit c73e88a6a1
6 changed files with 116 additions and 3 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2007-03-02 Jan Schmidt <thaytan@mad.scientist.com>
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-base-plugins-docs.sgml:
* docs/plugins/gst-plugins-base-plugins-sections.txt:
* docs/plugins/inspect/plugin-decodebin2.xml:
* gst/playback/gstdecodebin2.c: (gst_decode_bin_class_init):
Add documentation for decodebin2 that indicates that the API
is still unstable.
2007-03-01 Jan Schmidt <thaytan@mad.scientist.com>
* configure.ac:

1
docs/plugins/Makefile.am
View file

@ -101,6 +101,7 @@ EXTRA_HFILES = \
$(top_srcdir)/gst/ffmpegcolorspace/gstffmpegcolorspace.h \
$(top_srcdir)/gst/gdp/gstgdpdepay.h \
$(top_srcdir)/gst/gdp/gstgdppay.h \
$(top_srcdir)/gst/playback/gstdecodebin2.c \
$(top_srcdir)/gst/tcp/gstmultifdsink.h \
$(top_srcdir)/gst/tcp/gsttcpserversink.h \
$(top_srcdir)/gst/videorate/gstvideorate.h \

2
docs/plugins/gst-plugins-base-plugins-docs.sgml
View file

@ -29,6 +29,7 @@
<xi:include href="xml/element-multifdsink.xml" />
<xi:include href="xml/element-oggdemux.xml" />
<xi:include href="xml/element-playbin.xml" />
<xi:include href="xml/element-decodebin2.xml" />
<xi:include href="xml/element-tcpserversink.xml" />
<xi:include href="xml/element-theoradec.xml" />
<xi:include href="xml/element-theoraenc.xml" />
@ -57,6 +58,7 @@
<xi:include href="xml/plugin-audiotestsrc.xml" />
<xi:include href="xml/plugin-cdparanoia.xml" />
<xi:include href="xml/plugin-decodebin.xml" />
<xi:include href="xml/plugin-decodebin2.xml" />
<xi:include href="xml/plugin-ffmpegcolorspace.xml" />
<xi:include href="xml/plugin-gdp.xml" />
<xi:include href="xml/plugin-gnomevfs.xml" />

6
docs/plugins/gst-plugins-base-plugins-sections.txt
View file

@ -129,6 +129,12 @@ GstClockOverlayClass
gst_clock_overlay_get_type
</SECTION>
<SECTION>
<FILE>element-decodebin2</FILE>
<TITLE>decodebin2</TITLE>
GstDecodeBin2
</SECTION>
<SECTION>
<FILE>element-ffmpegcolorspace</FILE>
<TITLE>ffmpegcolorspace</TITLE>

20
docs/plugins/inspect/plugin-decodebin2.xml Normal file
View file

@ -0,0 +1,20 @@
<plugin>
<name>decodebin2</name>
<description>decoder bin newer version</description>
<filename>../../gst/playback/.libs/libgstdecodebin2.so</filename>
<basename>libgstdecodebin2.so</basename>
<version>0.10.11.1</version>
<license>LGPL</license>
<source>gst-plugins-base</source>
<package>GStreamer Base Plug-ins CVS/prerelease</package>
<origin>Unknown package origin</origin>
<elements>
<element>
<name>decodebin2</name>
<longname>Decoder Bin</longname>
<class>Generic/Bin/Decoder</class>
<description>Autoplug and decode to raw media</description>
<author>Edward Hervey &lt;edward@fluendo.com&gt;</author>
</element>
</elements>
</plugin>

80
gst/playback/gstdecodebin2.c
View file

@ -19,7 +19,17 @@
/**
* SECTION:element-decodebin2
* @short_description: Next-generation automatic decoding bin
*
* #GstBin that auto-magically constructs a decoding pipeline using available
* decoders and demuxers via auto-plugging.
*
* At this stage, decodebin2 is considered UNSTABLE. The API provided in the
* signals is expected to change in the near future.
*
* To try out decodebin2, you can set the USE_DECODEBIN2 environment
* variable (USE_DECODEBIN2=1 for example). This will cause playbin to use
* decodebin2 instead of the older decodebin for its internal auto-plugging.
*/
#ifdef HAVE_CONFIG_H
@ -51,6 +61,7 @@ GST_DEBUG_CATEGORY_STATIC (gst_decode_bin_debug);
typedef struct _GstDecodeGroup GstDecodeGroup;
typedef struct _GstDecodePad GstDecodePad;
typedef struct _GstDecodeBin GstDecodeBin;
typedef struct _GstDecodeBin GstDecodeBin2;
typedef struct _GstDecodeBinClass GstDecodeBinClass;
#define GST_TYPE_DECODE_BIN (gst_decode_bin_get_type())
@ -60,6 +71,11 @@ typedef struct _GstDecodeBinClass GstDecodeBinClass;
#define GST_IS_DECODE_BIN(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DECODE_BIN))
#define GST_IS_DECODE_BIN_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DECODE_BIN))
/**
* GstDecodeBin2:
*
* The opaque #DecodeBin2 data structure
*/
struct _GstDecodeBin
{
GstBin bin; /* we extend GstBin */
@ -310,27 +326,85 @@ gst_decode_bin_class_init (GstDecodeBinClass * klass)
gobject_klass->set_property = GST_DEBUG_FUNCPTR (gst_decode_bin_set_property);
gobject_klass->get_property = GST_DEBUG_FUNCPTR (gst_decode_bin_get_property);
/**
* GstDecodeBin2::new-decoded-pad:
* @pad: the newly created pad
* @islast: #TRUE if this is the last pad to be added. Deprecated.
*
* This signal gets emitted as soon as a new pad of the same type as one of
* the valid 'raw' types is added.
*/
gst_decode_bin_signals[SIGNAL_NEW_DECODED_PAD] =
g_signal_new ("new-decoded-pad", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstDecodeBinClass, new_decoded_pad), NULL, NULL,
gst_play_marshal_VOID__OBJECT_BOOLEAN, G_TYPE_NONE, 2, GST_TYPE_PAD,
G_TYPE_BOOLEAN);
/**
* GstDecodeBin2::removed-decoded-pad:
* @pad: the pad that was removed
*
* This signal is emitted when a 'final' caps pad has been removed.
*/
gst_decode_bin_signals[SIGNAL_REMOVED_DECODED_PAD] =
g_signal_new ("removed-decoded-pad", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstDecodeBinClass, removed_decoded_pad), NULL, NULL,
gst_marshal_VOID__OBJECT, G_TYPE_NONE, 1, GST_TYPE_PAD);
/**
* GstDecodeBin2::unknown-type:
* @pad: the new pad containing caps that cannot be resolved to a 'final' stream type.
* @caps: the #GstCaps of the pad that cannot be resolved.
*
* This signal is emitted when a pad for which there is no further possible
* decoding is added to the decodebin.
*/
gst_decode_bin_signals[SIGNAL_UNKNOWN_TYPE] =
g_signal_new ("unknown-type", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstDecodeBinClass, unknown_type),
NULL, NULL, gst_marshal_VOID__OBJECT_OBJECT, G_TYPE_NONE, 2,
GST_TYPE_PAD, GST_TYPE_CAPS);
/**
* GstDecodeBin2::autoplug-continue:
* @caps: The #GstCaps found.
*
* This signal is emitted whenever decodebin2 finds a new stream. It is
* emitted before looking for any elements that can handle that stream.
*
* Returns: #TRUE if you wish decodebin2 to look for elements that can
* handle the given @caps. If #FALSE, those caps will be considered as
* final and the pad will be exposed as such (see 'new-decoded-pad'
* signal).
*/
gst_decode_bin_signals[SIGNAL_AUTOPLUG_CONTINUE] =
g_signal_new ("autoplug-continue", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstDecodeBinClass, autoplug_continue),
_gst_boolean_accumulator, NULL, gst_play_marshal_BOOLEAN__OBJECT,
G_TYPE_BOOLEAN, 1, GST_TYPE_CAPS);
/**
* GstDecodeBin2::autoplug-sort:
* @caps: The #GstCaps.
* @factories: A #GList of possible #GstElementFactory to use.
*
* This signal is emitted once decodebin2 has found all the possible
* #GstElementFactory that can be used to handle the given @caps.
*
* UNSTABLE API. Will change soon.
*
* Returns: #TRUE if you wish decodebin2 to start trying to decode
* the given @caps with the list of factories. #FALSE if you do not want
* these #GstCaps, if so the pad will be exposed as unknown (see
* 'unknown-type' signal).
*/
gst_decode_bin_signals[SIGNAL_AUTOPLUG_SORT] =
g_signal_new ("autoplug-sort", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstDecodeBinClass, autoplug_sort),
@ -747,7 +821,7 @@ any_caps:
}
/** connect_pad:
/* connect_pad:
*
* Try to connect the given pad to an element created from one of the factories,
* and recursively.
@ -1859,7 +1933,7 @@ source_pad_event_probe (GstPad * pad, GstEvent * event, GstDecodePad * dpad)
return TRUE;
}
/** gst_decode_pad_new:
/*gst_decode_pad_new:
*
* Creates a new GstDecodePad for the given pad.
* If block is TRUE, Sets the pad blocking asynchronously
@ -1961,7 +2035,7 @@ remove_fakesink (GstDecodeBin * decode_bin)
* convenience functions
*****/
/** find_sink_pad
/* find_sink_pad
*
* Returns the first sink pad of the given element, or NULL if it doesn't have
* any.