[gst-devel] [gst-embedded] can playbin handle the sinkwithdecoding functions?

[Stefan Kost]

Zhao, Halley schrieb:
> 　　Then it means, I can't set this property through gst-launch, 
> 　　but create the element and set it to playbin in programming language (C, python, etc.).
> 　　
This is correct.
Stefan

> 　　Thanks.
> 　　
> 　　
> 　　>-----Original Message-----
> 　　>From: Zhao Liang-E3423C [mailto:E3423C at motorola.com]
> 　　>Sent: 2009年2月26日 11:14
> 　　>To: Zhao, Halley; Discussion of the development of GStreamer; Michael Smith
> 　　>Cc: gstreamer-embedded at lists.sourceforge.net
> 　　>Subject: RE: [gst-embedded] [gst-devel] can playbin handle the
> 　　>sinkwithdecoding functions?
> 　　>
> 　　>GST_TYPE_ELEMENT， that means the "video-sink" is a GstElement,  actually
> 　　>it should be a GstElement pointer and the default value is NULL.
> 　　>
> 　　>You need to create the videosink element externally, and set the pointer
> 　　>to this property. You can refer totem sourcecode.
> 　　>
> 　　>Zhao Liang
> 　　>
> 　　>-----Original Message-----
> 　　>From: Zhao, Halley [mailto:halley.zhao at intel.com]
> 　　>Sent: Thursday, February 26, 2009 11:08 AM
> 　　>To: Zhao Liang-E3423C; Discussion of the development of GStreamer; Michael
> 　　>Smith
> 　　>Cc: gstreamer-embedded at lists.sourceforge.net
> 　　>Subject: RE: [gst-embedded] [gst-devel] can playbin handle the
> 　　>sinkwithdecoding functions?
> 　　>
> 　　>　　video-sink is GstElement? But I saw the following codes:
> 　　>
> 　　>　　gst_play_bin_class_init (GstPlayBinClass * klass)
> 　　>　　{
> 　　>　　...
> 　　>　　  g_object_class_install_property (gobject_klass, ARG_VIDEO_SINK,
> 　　>　　      g_param_spec_object ("video-sink", "Video Sink",
> 　　>　　          "the video output element to use (NULL = default sink)",
> 　　>　　          GST_TYPE_ELEMENT, G_PARAM_READWRITE));
> 　　>　　...
> 　　>　　}
> 　　>
> 　　>　　>-----Original Message-----
> 　　>　　>From: Zhao Liang-E3423C [mailto:E3423C at motorola.com]
> 　　>　　>Sent: 2009年2月24日 10:56
> 　　>　　>To: Discussion of the development of GStreamer; Michael Smith
> 　　>　　>Cc: gstreamer-embedded at lists.sourceforge.net
> 　　>　　>Subject: Re: [gst-embedded] [gst-devel] can playbin handle the
> 　　>sinkwith
> 　　>　　>decoding functions?
> 　　>　　>
> 　　>　　>The type of Video-sink is GstElement, not string.
> 　　>　　>
> 　　>　　>-----Original Message-----
> 　　>　　>From: Zhao, Halley [mailto:halley.zhao at intel.com]
> 　　>　　>Sent: Tuesday, February 24, 2009 10:46 AM
> 　　>　　>To: Discussion of the development of GStreamer; Michael Smith
> 　　>　　>Cc: gstreamer-embedded at lists.sourceforge.net
> 　　>　　>Subject: Re: [gst-devel] [gst-embedded] can playbin handle the
> 　　>sinkwith
> 　　>　　>decoding functions?
> 　　>　　>
> 　　>　　>　　My gst version is 0.10.18 (Ubuntu hardy).
> 　　>　　>　　I saw that playbin has the property of "video-sink", but my try
> 　　>fails:
> 　　>　　>　　gst-launch playbin -v -v
> 　　>uri=file:///home/halley/media/video/test.avi
> 　　>　　>video-sink=xvimagesink
> 　　>　　>　　The error message is:
> 　　>　　>　　WARNING: erroneous pipeline: could not set property "video-sink"
> 　　>in
> 　　>　　>element "playbin10" to "xvimagesink"
> 　　>　　>
> 　　>　　>　　Even when I try to use playbin2 and fakesink, it always give the
> 　　>same
> 　　>　　>error.
> 　　>　　>
> 　　>　　>　　Where is my problem, thanks.
> 　　>　　>
> 　　>　　>　　>-----Original Message-----
> 　　>　　>　　>From: Michael Smith [mailto:msmith at xiph.org]
> 　　>　　>　　>Sent: 2009年2月21日 12:31
> 　　>　　>　　>To: Liang Zhao
> 　　>　　>　　>Cc: gstreamer-embedded at lists.sourceforge.net;
> 　　>　　>　　>gstreamer-devel at lists.sourceforge.net
> 　　>　　>　　>Subject: Re: [gst-devel] [gst-embedded] can playbin handle the
> 　　>sink
> 　　>　　>with
> 　　>　　>　　>decoding functions?
> 　　>　　>　　>
> 　　>　　>　　>On Fri, Feb 20, 2009 at 6:03 PM, Liang Zhao
> 　　><liangzhao.bit at gmail.com>
> 　　>　　>wrote:
> 　　>　　>　　>> Hi Mke,
> 　　>　　>　　>>
> 　　>　　>　　>> Thank you.
> 　　>　　>　　>>
> 　　>　　>　　>> So the only way is to use playbin2?  what is the difference on
> 　　>　　>intefaces,
> 　　>　　>　　>> properties and signals between playbin2 and playbin?
> 　　>　　>　　>> I find most of them are same.
> 　　>　　>　　>
> 　　>　　>　　>The only sensible approach (assuming you want to reuse existing
> 　　>code,
> 　　>　　>　　>rather than writing something from scratch yourself) is to switch
> 　　>to
> 　　>　　>　　>playbin2.
> 　　>　　>　　>
> 　　>　　>　　>The documentation can help you with the differences - you're
> 　　>right,
> 　　>　　>　　>most things are similar.
> 　　>　　>　　>
> 　　>　　>　　>Mike
> 　　>　　>　　>
> 　　>　　>
> 　　>
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