pipeline failure when going from cmdline to app.
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pipeline failure when going from cmdline to app.
 
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Hi All,
I am trying to play a mp4 file. When I play from command line using the pipe: "gst-launch filesrc location=/home/ashwini/streams/output.ts ! mpegtsparse ! mpegtsdemux ! decodebin ! ffmpegcolorspace ! ximagesink" The video is displayed well. But when i try to achieve the same pipe thru the application, It fails. The code snippet of pipelie creation is as follows: pipeline = gst_pipeline_new ("gst-player"); //gst_debug_set_default_threshold(GST_LEVEL_DEBUG); gst_debug_set_threshold_for_name("mpegtsparse",GST_LEVEL_DEBUG); src = gst_element_factory_make ("filesrc", NULL); g_assert (src); g_print("URI = %s\n",uri); g_object_set (G_OBJECT (src), "location", uri, NULL); parse = gst_element_factory_make ("mpegtsparse", NULL); g_assert (parse); demux = gst_element_factory_make ("mpegtsdemux", NULL); g_assert (demux); dec = gst_element_factory_make ("decodebin", NULL); g_assert (dec); csp = gst_element_factory_make ("ffmpegcolorspace", NULL); g_assert (csp); videosink = gst_element_factory_make ("ximagesink", NULL); g_assert (videosink); /* Adding elements to the pipeline */ gst_bin_add_many (GST_BIN (pipeline), src, parse, demux, dec, csp, videosink, NULL); // gst_bin_add_many (GST_BIN (pipeline), src, videosink, NULL); // g_assert (gst_element_link_many (src, parse, demux, dec, csp, videosink, NULL)); g_assert (gst_element_link (src, parse)); g_assert (gst_element_link (parse, demux)); gst_element_link (demux, dec); (gst_element_link (dec, csp)); (gst_element_link (csp, videosink)); if (GST_IS_X_OVERLAY (videosink)) { gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (videosink), GPOINTER_TO_INT (window)); } gst_element_set_state (pipeline, GST_STATE_PLAYING); What could be causing it to fail. (In the above snippet described, I have used the gst-player code and modified the pipe to current state) Any help is appreciated. -Ashwini _______________________________________________ gstreamer-devel mailing list [hidden email] http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel |
Re: pipeline failure when going from cmdline to app.
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On 03/10/2011 11:15 PM, Ashwini Sharma wrote:
> Hi All, > > I am trying to play a mp4 file. When I play from command line using the > pipe: > "gst-launch filesrc location=/home/ashwini/streams/output.ts ! > mpegtsparse ! mpegtsdemux ! decodebin ! ffmpegcolorspace ! ximagesink" > > The video is displayed well. > But when i try to achieve the same pipe thru the application, It fails. > > The code snippet of pipelie creation is as follows: > > pipeline = gst_pipeline_new ("gst-player"); > //gst_debug_set_default_threshold(GST_LEVEL_DEBUG); > gst_debug_set_threshold_for_name("mpegtsparse",GST_LEVEL_DEBUG); > src = gst_element_factory_make ("filesrc", NULL); > g_assert (src); > g_print("URI = %s\n",uri); > g_object_set (G_OBJECT (src), "location", uri, NULL); > parse = gst_element_factory_make ("mpegtsparse", NULL); > g_assert (parse); > demux = gst_element_factory_make ("mpegtsdemux", NULL); > g_assert (demux); > dec = gst_element_factory_make ("decodebin", NULL); > g_assert (dec); > csp = gst_element_factory_make ("ffmpegcolorspace", NULL); > g_assert (csp); > videosink = gst_element_factory_make ("ximagesink", NULL); > g_assert (videosink); > > /* Adding elements to the pipeline */ > gst_bin_add_many (GST_BIN (pipeline), src, parse, demux, dec, csp, > videosink, NULL); > // gst_bin_add_many (GST_BIN (pipeline), src, videosink, NULL); > // g_assert (gst_element_link_many (src, parse, demux, dec, csp, > videosink, NULL)); > g_assert (gst_element_link (src, parse)); > g_assert (gst_element_link (parse, demux)); > gst_element_link (demux, dec); > (gst_element_link (dec, csp)); > (gst_element_link (csp, videosink)); > if (GST_IS_X_OVERLAY (videosink)) > { > gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (videosink), > GPOINTER_TO_INT (window)); > } > > gst_element_set_state (pipeline, GST_STATE_PLAYING); > > What could be causing it to fail. (In the above snippet described, I > have used the gst-player code and modified the pipe to current state) > > Any help is appreciated. You need to listen for 'pad-added' signal from the decoder and check the gst_element_link() calls for success. http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/chapter-helloworld.html -- Nathanael d. Noblet t 403.875.4613 _______________________________________________ gstreamer-devel mailing list [hidden email] http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel |
Re: pipeline failure when going from cmdline to app.
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Thanks a ton Nathanael.
It worked for me.
On Fri, Mar 11, 2011 at 12:25 PM, Nathanael D. Noblet <[hidden email]> wrote:
_______________________________________________ gstreamer-devel mailing list [hidden email] http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel |
Re: pipeline failure when going from cmdline to app.
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Now i need to capture the Section data of TS stream. I know this is posted by mpegtsparse element onto the bus.
But what i dont know is that, what is message type and how do i capture this data...?
Any clue...
-Ashwini
On Fri, Mar 11, 2011 at 12:53 PM, Ashwini Sharma <[hidden email]> wrote:
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Hi Ashwini, do you got any
information about your question? I’m working also on a solution for ‘getting
EIT messages out of the mpegtsparser’. BR Bernhard Von:
gstreamer-devel-bounces+bernhard.graaf=[hidden email]
[mailto:gstreamer-devel-bounces+bernhard.graaf=[hidden email]] Im Auftrag von Ashwini Sharma Now i need to capture the Section data of TS stream. I know this is
posted by mpegtsparse element onto the bus. But what i dont know is that, what is message type and how do i capture this data...? Any clue... -Ashwini On Fri, Mar 11, 2011 at 12:53 PM, Ashwini Sharma <[hidden email]> wrote: Thanks a ton Nathanael. It worked for me.
On Fri, Mar 11, 2011 at 12:25 PM, Nathanael D. Noblet <[hidden email]>
wrote: On 03/10/2011 11:15 PM, Ashwini Sharma wrote: Hi All, You need to listen for 'pad-added' signal from the decoder and check
the gst_element_link() calls for success. _______________________________________________ gstreamer-devel mailing list [hidden email] http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel |
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