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tools/gst-typefind.c: Update, add copyright block.

Browse source 
Original commit message from CVS:
2005-07-15  Andy Wingo  <wingo@pobox.com>

* tools/gst-typefind.c: Update, add copyright block.

* gst/base/gstbasesrc.c (gst_base_src_default_negotiate):
Normalize and truncate caps before fixation.

* gst/gstcaps.h:
* gst/gstcaps.c (gst_caps_truncate): New function, destructively
discards all but the first structure from its argument.
This commit is contained in:
Andy Wingo 2005-07-15 11:04:18 +00:00
parent 7f4581d977
commit ad1970eae2
73 changed files with 304 additions and 31 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
ChangeLog
View file

@ -1,3 +1,14 @@
2005-07-15 Andy Wingo <wingo@pobox.com>
* tools/gst-typefind.c: Update, add copyright block.
* gst/base/gstbasesrc.c (gst_base_src_default_negotiate):
Normalize and truncate caps before fixation.
* gst/gstcaps.h:
* gst/gstcaps.c (gst_caps_truncate): New function, destructively
discards all but the first structure from its argument.
2005-07-15 Wim Taymans <wim@fluendo.com>
* gst/base/gstbasetransform.c: (gst_base_transform_init),

3
docs/gst/tmpl/gst.sgml
View file

@ -87,6 +87,9 @@ Check out both <ulink url="http://www.cse.ogi.edu/sysl/">OGI's
pipeline</ulink> and Microsoft's DirectShow for some background.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### FUNCTION gst_init ##### -->
<para>

3
docs/gst/tmpl/gstbasesink.sgml
View file

@ -14,6 +14,9 @@ GstBaseSink
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstBaseSink ##### -->
<para>

3
docs/gst/tmpl/gstbasesrc.sgml
View file

@ -14,6 +14,9 @@ GstBaseSrc
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstBaseSrc ##### -->
<para>

5
docs/gst/tmpl/gstbasetransform.sgml
View file

@ -14,6 +14,9 @@ GstBaseTransform
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstBaseTransform ##### -->
<para>
@ -28,8 +31,10 @@ GstBaseTransform
@parent_class:
@transform_caps:
@set_caps:
@get_size:
@start:
@stop:
@event:
@transform:
@transform_ip:

3
docs/gst/tmpl/gstbin.sgml
View file

@ -55,6 +55,9 @@ clock providers in the bin.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstBin ##### -->
<para>

3
docs/gst/tmpl/gstbuffer.sgml
View file

@ -85,6 +85,9 @@ Last reviewed on August 12th, 2004 (0.8.5)
#GstPad, #GstMiniObject
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstBuffer ##### -->
<para>
The basic structure of a buffer.

3
docs/gst/tmpl/gstcaps.sgml
View file

@ -14,6 +14,9 @@ Structure describing sets of media formats
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstCaps ##### -->
<para>

3
docs/gst/tmpl/gstclock.sgml
View file

@ -22,6 +22,9 @@ a good measure of the current playback time in the pipeline.
#GstSystemClock
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstClock ##### -->
<para>

3
docs/gst/tmpl/gstcompat.sgml
View file

@ -16,3 +16,6 @@ This can be done in CFLAGS for compiling old code.
</para>
<!-- ##### SECTION Stability_Level ##### -->

3
docs/gst/tmpl/gstconfig.sgml
View file

@ -37,6 +37,9 @@ If a subsystem is disabled in GStreamer, a value is defined in
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### MACRO GST_DISABLE_LOADSAVE_REGISTRY ##### -->
<para>

3
docs/gst/tmpl/gstelement.sgml
View file

@ -65,6 +65,9 @@ and gst_element_set_clock(). You can wait for the clock to reach a given
<!-- basic object functions -->
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstElement ##### -->
<para>

3
docs/gst/tmpl/gstelementdetails.sgml
View file

@ -14,6 +14,9 @@ Defines public information about a #GstElement
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstElementDetails ##### -->
<para>
This struct is used to define public information about the element. It

3
docs/gst/tmpl/gstelementfactory.sgml
View file

@ -54,6 +54,9 @@ so that the autopluggers can select a plugin more appropriatly
#GstElement, #GstPlugin, #GstPluginFeature, #GstPadTemplate.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstElementFactory ##### -->
<para>

3
docs/gst/tmpl/gstenumtypes.sgml
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@ -14,3 +14,6 @@ all gstreamer core related enumerations
</para>
<!-- ##### SECTION Stability_Level ##### -->

4
docs/gst/tmpl/gsterror.sgml
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@ -14,6 +14,9 @@ Categorized error messages
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### ENUM GstCoreError ##### -->
<para>
@ -82,6 +85,7 @@ Categorized error messages
@GST_STREAM_ERROR_DEMUX:
@GST_STREAM_ERROR_MUX:
@GST_STREAM_ERROR_FORMAT:
@GST_STREAM_ERROR_STOPPED:
@GST_STREAM_ERROR_NUM_ERRORS:
<!-- ##### MACRO GST_CORE_ERROR ##### -->

3
docs/gst/tmpl/gstevent.sgml
View file

@ -27,6 +27,9 @@ gst_event_new_flush() creates a new flush event.
#GstPad, #GstElement
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstEvent ##### -->
<para>

3
docs/gst/tmpl/gstfakesink.sgml
View file

@ -14,6 +14,9 @@ GstFakeSink
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstFakeSink ##### -->
<para>

3
docs/gst/tmpl/gstfakesrc.sgml
View file

@ -14,6 +14,9 @@ GstFakeSrc
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstFakeSrc ##### -->
<para>

3
docs/gst/tmpl/gstfilesink.sgml
View file

@ -14,6 +14,9 @@ GstFileSink
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstFileSink ##### -->
<para>

3
docs/gst/tmpl/gstfilesrc.sgml
View file

@ -14,6 +14,9 @@ GstFileSrc
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstFileSrc ##### -->
<para>

3
docs/gst/tmpl/gstfilter.sgml
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@ -17,6 +17,9 @@ on its own.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### USER_FUNCTION GstFilterFunc ##### -->
<para>

3
docs/gst/tmpl/gstformat.sgml
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@ -15,6 +15,9 @@ formats can be used to perform seeking or conversions/query operations.
#GstPad, #GstElement
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### ENUM GstFormat ##### -->
<para>
Standard predefined formats

3
docs/gst/tmpl/gstghostpad.sgml
View file

@ -14,6 +14,9 @@ Pseudo link pads
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstGhostPad ##### -->
<para>

3
docs/gst/tmpl/gstimplementsinterface.sgml
View file

@ -14,6 +14,9 @@ Core interface implemented by #GstElements that allows runtime querying of inter
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstImplementsInterface ##### -->
<para>

3
docs/gst/tmpl/gstindex.sgml
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@ -15,6 +15,9 @@ in a pipeline.
#GstIndexFactory
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstIndex ##### -->
<para>

3
docs/gst/tmpl/gstindexfactory.sgml
View file

@ -14,6 +14,9 @@ GstIndexFactory is used to dynamically create GstIndex implementations.
#GstIndex
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstIndexFactory ##### -->
<para>
The GstIndexFactory object

3
docs/gst/tmpl/gstinfo.sgml
View file

@ -68,6 +68,9 @@ categories. These are explained at GST_DEBUG_CATEGORY_INIT().
and environment variables that affect the debugging output.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### ENUM GstDebugLevel ##### -->
<para>
The level defines the importance of a debugging message. The more important a

3
docs/gst/tmpl/gstiterator.sgml
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@ -14,6 +14,9 @@ GstIterator
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstIterator ##### -->
<para>

3
docs/gst/tmpl/gstmacros.sgml
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@ -14,3 +14,6 @@ various portabillity helper macros
</para>
<!-- ##### SECTION Stability_Level ##### -->

3
docs/gst/tmpl/gstmemchunk.sgml
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@ -21,6 +21,9 @@ The GstMemChunk is used to allocate critical resources for #GstBuffer and
#GstBuffer, #GstEvent, #GstData
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstMemChunk ##### -->
<para>
The memchunk structure

3
docs/gst/tmpl/gstminiobject.sgml
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@ -14,6 +14,9 @@ GstMiniObject
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstMiniObject ##### -->
<para>

3
docs/gst/tmpl/gstobject.sgml
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@ -67,6 +67,9 @@ object.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstObject ##### -->
<para>

3
docs/gst/tmpl/gstpad.sgml
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@ -57,6 +57,9 @@ Last reviewed on December 13th, 2002 (0.5.0.1)
#GstPadTemplate, #GstElement, #GstEvent
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstPad ##### -->
<para>

3
docs/gst/tmpl/gstpadtemplate.sgml
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@ -73,6 +73,9 @@ The following example shows you how to add the padtemplate to an elementfactory:
#GstPad, #GstElementFactory
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstPadTemplate ##### -->
<para>
The padtemplate object.

3
docs/gst/tmpl/gstparse.sgml
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@ -14,6 +14,9 @@ get a pipeline from a text pipeline description
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### FUNCTION gst_parse_error_quark ##### -->
<para>

3
docs/gst/tmpl/gstpipeline.sgml
View file

@ -21,6 +21,9 @@ the pipeline, use gst_object_unref() to free its resources.
#GstBin
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstPipeline ##### -->
<para>

3
docs/gst/tmpl/gstplugin.sgml
View file

@ -35,6 +35,9 @@ to bring the plugin into memory.
#GstPluginFeature, #GstType, #GstAutoplug, #GstElementFactory
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### FUNCTION gst_plugin_error_quark ##### -->
<para>
Get the error quark

3
docs/gst/tmpl/gstpluginfeature.sgml
View file

@ -14,6 +14,9 @@ This is a base class for anything that can be added to a #GstPlugin.
#GstPlugin
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstPluginFeature ##### -->
<para>

3
docs/gst/tmpl/gstquery.sgml
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@ -15,6 +15,9 @@ Query types can be used to perform queries on pads and elements.
#GstPad, #GstElement
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### ENUM GstQueryType ##### -->
<para>
Standard predefined Query types

3
docs/gst/tmpl/gstqueue.sgml
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@ -25,6 +25,9 @@ The queue blocks by default.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstQueue ##### -->
<para>

3
docs/gst/tmpl/gstregistry.sgml
View file

@ -15,3 +15,6 @@ All registries build the #GstRegistryPool.
#GstPlugin, #GstPluginFeature
</para>
<!-- ##### SECTION Stability_Level ##### -->

3
docs/gst/tmpl/gstregistrypool.sgml
View file

@ -15,6 +15,9 @@ the system.
GstRegistry
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### FUNCTION gst_registry_pool_list ##### -->
<para>

3
docs/gst/tmpl/gstscheduler.sgml
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@ -14,6 +14,9 @@ This is a base class for custom schedulers.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstScheduler ##### -->
<para>

3
docs/gst/tmpl/gstschedulerfactory.sgml
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@ -31,6 +31,9 @@ Use gst_scheduler_factory_destroy() to remove the factory from the global list.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstSchedulerFactory ##### -->
<para>

3
docs/gst/tmpl/gststructure.sgml
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@ -14,6 +14,9 @@ Generic structure containing fields of names and values
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstStructure ##### -->
<para>

3
docs/gst/tmpl/gstsystemclock.sgml
View file

@ -15,6 +15,9 @@ system time.
#GstClock
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstSystemClock ##### -->
<para>

3
docs/gst/tmpl/gsttaglist.sgml
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@ -14,6 +14,9 @@ List of tags and values used to describe media metadata
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### TYPEDEF GstTagList ##### -->
<para>

3
docs/gst/tmpl/gsttagsetter.sgml
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@ -14,6 +14,9 @@ Element interface that allows setting and retrieval of media metadata
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstTagSetter ##### -->
<para>

3
docs/gst/tmpl/gsttrace.sgml
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@ -14,6 +14,9 @@ Tracing functionality
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstTrace ##### -->
<para>

3
docs/gst/tmpl/gsttrashstack.sgml
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@ -14,6 +14,9 @@ gsttrashstack
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstTrashStack ##### -->
<para>

3
docs/gst/tmpl/gsttypefind.sgml
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@ -14,6 +14,9 @@ typefinding subsystem
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstTypeFind ##### -->
<para>

3
docs/gst/tmpl/gsttypefindfactory.sgml
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@ -67,6 +67,9 @@ the given data. You can get quite a bit more complicated than that though.
<link linkend="gstreamer-Writing-typefind-functions">Writing typefind functions</link>
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstTypeFindFactory ##### -->
<para>
Object that stores information about a typefind function

3
docs/gst/tmpl/gsttypes.sgml
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@ -14,6 +14,9 @@ various global enums and constants
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### ENUM GstElementState ##### -->
<para>
These contants describe the state a #GstElement is in and transition scheduled for the #GstElement (the pending state).

3
docs/gst/tmpl/gsturihandler.sgml
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@ -15,6 +15,9 @@ and the element property that can handle a given URI.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstURIHandler ##### -->
<para>

3
docs/gst/tmpl/gsturitype.sgml
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@ -14,6 +14,9 @@ describes URI types
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### ENUM GstURIType ##### -->
<para>

3
docs/gst/tmpl/gstutils.sgml
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@ -14,6 +14,9 @@ various utility functions
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### FUNCTION gst_util_set_value_from_string ##### -->
<para>

3
docs/gst/tmpl/gstvalue.sgml
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@ -14,6 +14,9 @@ GValue implementations specific to GStreamer
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### MACRO GST_MAKE_FOURCC ##### -->
<para>
will transform four characters into a host-endiannness guint32 fourcc:

3
docs/gst/tmpl/gstversion.sgml
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@ -15,6 +15,9 @@ The version macros get defined by including "gst/gst.h".
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### MACRO GST_VERSION_MAJOR ##### -->
<para>
The major version of GStreamer at compile time

3
docs/gst/tmpl/gstxml.sgml
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@ -14,6 +14,9 @@ XML save/restore operations of pipelines
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstXML ##### -->
<para>

3
docs/libs/tmpl/gstcontrol.sgml
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@ -73,6 +73,9 @@ This allows the manager to interupt processing to apply new control values.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### FUNCTION gst_control_init ##### -->
<para>

3
docs/libs/tmpl/gstdataprotocol.sgml
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@ -27,6 +27,9 @@ network connections also need a protocol to do this.
#GstBuffer, #GstCaps, #GstEvent
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### ENUM GstDPHeaderFlag ##### -->
<para>

3
docs/libs/tmpl/gstdparam.sgml
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@ -15,6 +15,9 @@ Subclasses of this do more advanced updates like smoothing parameter changes.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstDParam ##### -->
<para>

3
docs/libs/tmpl/gstdplinint.sgml
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@ -14,6 +14,9 @@ linear interpolation dynamic parameter
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstDParamLinInterp ##### -->
<para>

3
docs/libs/tmpl/gstdpman.sgml
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@ -20,6 +20,9 @@ are for applications that use elements with dparams.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstDParamManager ##### -->
<para>

3
docs/libs/tmpl/gstdpsmooth.sgml
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@ -14,6 +14,9 @@ realtime smoothed dynamic parameter
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstDParamSmooth ##### -->
<para>

3
docs/libs/tmpl/gstgetbits.sgml
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@ -14,6 +14,9 @@ accelerated routines for getting bits from a data stream.
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT gst_getbits_t ##### -->
<para>

3
docs/libs/tmpl/gstunitconvert.sgml
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@ -14,6 +14,9 @@ conversion between units of measurement
</para>
<!-- ##### SECTION Stability_Level ##### -->
<!-- ##### STRUCT GstUnitConvert ##### -->
<para>

8
gst/base/gstbasesrc.c
View file

@ -785,7 +785,13 @@ gst_base_src_default_negotiate (GstBaseSrc * basesrc)
caps = thiscaps;
}
if (caps) {
caps = gst_caps_make_writable (caps);
GstCaps *normalized;
normalized = gst_caps_make_writable (caps);
gst_caps_unref (caps);
caps = normalized;
gst_caps_truncate (caps);
gst_pad_fixate_caps (GST_BASE_SRC_PAD (basesrc), caps);
GST_DEBUG ("fixated to: %" GST_PTR_FORMAT, caps);

21
gst/gstcaps.c
View file

@ -568,6 +568,27 @@ gst_caps_copy_nth (const GstCaps * caps, gint nth)
return newcaps;
}
/**
* gst_caps_truncate:
* @caps: the @GstCaps to truncate
*
* Destructively discard all but the first structure from @caps. Useful when
* fixating. @caps must be writable.
*/
void
gst_caps_truncate (GstCaps * caps)
{
gint i;
g_return_if_fail (GST_IS_CAPS (caps));
g_return_if_fail (IS_WRITABLE (caps));
i = caps->structs->len - 1;
while (i > 0)
gst_caps_remove_structure (caps, i--);
}
/**
* gst_caps_set_simple:
* @caps: the @GstCaps to set

1
gst/gstcaps.h
View file

@ -109,6 +109,7 @@ int gst_caps_get_size (const G
GstStructure * gst_caps_get_structure (const GstCaps *caps,
int index);
GstCaps * gst_caps_copy_nth (const GstCaps * caps, gint nth);
void gst_caps_truncate (GstCaps * caps);
void gst_caps_set_simple (GstCaps *caps,
char *field, ...);
void gst_caps_set_simple_valist (GstCaps *caps,

8
libs/gst/base/gstbasesrc.c
View file

@ -785,7 +785,13 @@ gst_base_src_default_negotiate (GstBaseSrc * basesrc)
caps = thiscaps;
}
if (caps) {
caps = gst_caps_make_writable (caps);
GstCaps *normalized;
normalized = gst_caps_make_writable (caps);
gst_caps_unref (caps);
caps = normalized;
gst_caps_truncate (caps);
gst_pad_fixate_caps (GST_BASE_SRC_PAD (basesrc), caps);
GST_DEBUG ("fixated to: %" GST_PTR_FORMAT, caps);

82
tools/gst-typefind.c
View file

@ -1,3 +1,27 @@
/* GStreamer
* Copyright (C) 2003 Thomas Vander Stichele <thomas@apestaart.org>
* 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
* 2005 Andy Wingo <wingo@pobox.com>
*
* gst-typefind.c: Use GStreamer to find the type of a file
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
@ -7,28 +31,19 @@
#include <locale.h>
#include <gst/gst.h>
/*
* find the type of a media file and display it's properties
**/
gboolean FOUND = FALSE;
gchar *filename = NULL;
char *filename = NULL;
void
gst_caps_print (const char *filename, const GstCaps * caps)
{
gchar *caps_str = gst_caps_to_string (caps);
g_print ("%s - %s\n", filename, caps_str);
g_free (caps_str);
}
void
have_type_handler (GstElement * typefind, guint probability,
const GstCaps * caps, gpointer unused)
{
gst_caps_print (filename, caps);
FOUND = TRUE;
gchar *caps_str;
caps_str = gst_caps_to_string (caps);
g_print ("%s - %s\n", filename, caps_str);
g_free (caps_str);
}
int
@ -36,7 +51,7 @@ main (int argc, char *argv[])
{
guint i = 1;
GstElement *pipeline;
GstElement *source, *typefind;
GstElement *source, *typefind, *fakesink;
setlocale (LC_ALL, "");
@ -48,32 +63,41 @@ main (int argc, char *argv[])
}
pipeline = gst_pipeline_new (NULL);
/* don't hang too long trying to preroll */
g_object_set (pipeline, "play-timeout", (gint64) 0.25 * GST_SECOND, NULL);
source = gst_element_factory_make ("filesrc", "source");
g_assert (GST_IS_ELEMENT (source));
typefind = gst_element_factory_make ("typefind", "typefind");
g_assert (GST_IS_ELEMENT (typefind));
gst_bin_add (GST_BIN (pipeline), source);
gst_bin_add (GST_BIN (pipeline), typefind);
gst_pad_link (gst_element_get_pad (source, "src"),
gst_element_get_pad (typefind, "sink"));
fakesink = gst_element_factory_make ("fakesink", "fakesink");
g_assert (GST_IS_ELEMENT (typefind));
gst_bin_add_many (GST_BIN (pipeline), source, typefind, fakesink, NULL);
gst_element_link_many (source, typefind, fakesink, NULL);
g_signal_connect (G_OBJECT (typefind), "have-type",
G_CALLBACK (have_type_handler), NULL);
while (i < argc) {
FOUND = FALSE;
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
GstElementStateReturn sret;
filename = argv[i];
g_object_set (source, "location", filename, NULL);
/* set to play */
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
while (!FOUND) {
}
if (!FOUND) {
/* typefind will only commit to PAUSED if it actually finds a type;
* otherwise the state change fails */
sret = gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
if (sret != GST_STATE_SUCCESS)
g_print ("%s - No type found\n", argv[i]);
}
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
i++;
}
g_object_unref (pipeline);
gst_object_unref (pipeline);
return 0;
}