Writing a new plugin from template/existing plugin
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Writing a new plugin from template/existing plugin
 
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------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ gstreamer-devel mailing list [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel |
Re: Writing a new plugin from template/existing plugin
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Ionut Dediu schrieb:
> Hi all, > > I am an absolute beginner to gstreamer; I want to write a transform > filter. For this I took as an example the edgetv filter and modified it. > The code is exactly the same, except canging the name of the plugin and > functions/structures to reflect the new name, but the rest of the code > is unchanged. It's based on GstVideoFilter. When I test the plugin I get > the following error: > > $gst-launch -v videotestsrc ! gimpcartoon ! ffmpegcolorspace ! autovideosink > > ** (gst-launch-0.10:15527): WARNING **: > !!!!!!!!!!!gst_gimp_cartoon_base_init > > > ** (gst-launch-0.10:15527): WARNING **: > !!!!!!!!!!!gst_gimp_cartoon_class_init > > Setting pipeline to PAUSED ... > > ** (gst-launch-0.10:15527): WARNING **: !!!!!!!!!!!gst_gimp_cartoon_start > > /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0.GstPad:src: caps = > video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, > red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, > width=(int)320, height=(int)240, framerate=(fraction)30/1 > Pipeline is PREROLLING ... > > ** (gst-launch-0.10:15527): WARNING **: !!!!!!!!!!!gst_gimp_cartoon_set_caps > > /GstPipeline:pipeline0/GstGimpCartoon:gimpcartoon0.GstPad:src: caps = > video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, > red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, > width=(int)320, height=(int)240, framerate=(fraction)30/1 > /GstPipeline:pipeline0/GstGimpCartoon:gimpcartoon0.GstPad:sink: caps = > video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, > red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, > width=(int)320, height=(int)240, framerate=(fraction)30/1 > > ** (gst-launch-0.10:15527): WARNING **: gimpcartoon0: could not get in_size > ERROR: from element > /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0: Internal data flow > error. > Additional debug info: > gstbasesrc.c(2330): gst_base_src_loop (): > /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0: > streaming task paused, reason error (-5) > ERROR: pipeline doesn't want to preroll. > Setting pipeline to NULL ... > /GstPipeline:pipeline0/GstGimpCartoon:gimpcartoon0.GstPad:src: caps = NULL > /GstPipeline:pipeline0/GstGimpCartoon:gimpcartoon0.GstPad:sink: caps = NULL > /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0.GstPad:src: caps = NULL > FREEING pipeline ... > > ** (gst-launch-0.10:15527): WARNING **: !!!!!!!!!!!gst_gimp_cartoon_finalize > > After setting GST_DEBUG I got more info: > > ** (gst-launch-0.10:15523): WARNING **: !!!!!!!!!!!gst_gimp_cartoon_set_caps > > /GstPipeline:pipeline0/GstGimpCartoon:gimpcartoon0.GstPad:src: caps = > video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, > red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, > width=(int)320, height=(int)240, framerate=(fraction)30/1 > /GstPipeline:pipeline0/GstGimpCartoon:gimpcartoon0.GstPad:sink: caps = > video/x-raw-rgb, bpp=(int)32, endianness=(int)4321, depth=(int)24, > red_mask=(int)65280, green_mask=(int)16711680, blue_mask=(int)-16777216, > width=(int)320, height=(int)240, framerate=(fraction)30/1 > > ** (gst-launch-0.10:15523): WARNING **: gimpcartoon0: could not get in_size > 0:00:00.273914500 [332m15523[00m 0x9953f20 [31;01mERROR[00m > [00m basetransform > gstbasetransform.c:1383:gst_base_transform_prepare_output_buffer:<gimpcartoon0>[00m > unknown output size > 0:00:00.274001592 [332m15523[00m 0x9953f20 [33;01mWARN [00m > [00m basetransform > gstbasetransform.c:1925:gst_base_transform_handle_buffer:<gimpcartoon0>[00m > could not get buffer from pool: error > 0:00:00.274025967 [332m15523[00m 0x9953f20 [32;01mINFO [00m > [00m basesrc > gstbasesrc.c:2278:gst_base_src_loop:<videotestsrc0>[00m pausing after > gst_pad_push() = error > 0:00:00.274063891 [332m15523[00m 0x9953f20 [33;01mWARN [00m > [00m basesrc > gstbasesrc.c:2330:gst_base_src_loop:<videotestsrc0>[00m error: Internal > data flow error. > 0:00:00.274084354 [332m15523[00m 0x9953f20 [33;01mWARN [00m > [00m basesrc > gstbasesrc.c:2330:gst_base_src_loop:<videotestsrc0>[00m error: > streaming task paused, reason error (-5) > 0:00:00.274114735 [332m15523[00m 0x9953f20 [32;01mINFO [00m > [00;01;31;47m GST_ERROR_SYSTEM > gstelement.c:1675:gst_element_message_full:<videotestsrc0>[00m posting > message: Internal data flow error. > 0:00:00.274165859 [332m15523[00m 0x9953f20 [32;01mINFO [00m > [00;01;31;47m GST_ERROR_SYSTEM > gstelement.c:1698:gst_element_message_full:<videotestsrc0>[00m posted > error message: Internal data flow error. > ERROR: from element > /GstPipeline:pipeline0/GstVideoTestSrc:videotestsrc0: Internal data flow > error. > 0:00:00.274342697 [332m15523[00m 0x9953f20 [32;01mINFO [00m > [00;01;31m GST_STATES > gstbin.c:2738:bin_handle_async_done:<autovideosink0>[00m committing > state from READY to PAUSED, old pending PAUSED > 0:00:00.274367002 [332m15523[00m 0x9953f20 [32;01mINFO [00m > [00;01;31m GST_STATES > gstbin.c:2753:bin_handle_async_done:<autovideosink0>[00m completed > state change, pending VOID > 0:00:00.274396894 [332m15523[00m 0x9953f20 [32;01mINFO [00m > [00;01;31m GST_STATES > gstbin.c:2738:bin_handle_async_done:<pipeline0>[00m committing state > from READY to PAUSED, old pending PAUSED > 0:00:00.274420570 [332m15523[00m 0x9953f20 [32;01mINFO [00m > [00;01;31m GST_STATES > gstbin.c:2753:bin_handle_async_done:<pipeline0>[00m completed state > change, pending VOID > ERROR: pipeline doesn't want to preroll. > > What is strange is that other than refactoring edgetv and adding some > warnings my filter looks exactly like edgetv that works ok... Is there > some configure.ac/Makefile.am magic I did not enchant ? > > I am stuck on this, help :D Can you post the source? Stefan > > Thanks > > > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------------ > Come build with us! The BlackBerry(R) Developer Conference in SF, CA > is the only developer event you need to attend this year. Jumpstart your > developing skills, take BlackBerry mobile applications to market and stay > ahead of the curve. Join us from November 9 - 12, 2009. Register now! > http://p.sf.net/sfu/devconference > > > ------------------------------------------------------------------------ > > _______________________________________________ > gstreamer-devel mailing list > [hidden email] > https://lists.sourceforge.net/lists/listinfo/gstreamer-devel ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ gstreamer-devel mailing list [hidden email] https://lists.sourceforge.net/lists/listinfo/gstreamer-devel |
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