v4l2src fails allocation with io-mode=1 (RW)
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v4l2src fails allocation with io-mode=1 (RW)
 
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Re: v4l2src fails allocation with io-mode=1 (RW)
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Le mercredi 17 octobre 2018 à 08:10 -0500, Marianna S. Buschle a écrit :
> root@qt5022:# gst-launch-1.0 v4l2src device=/dev/video5 io-mode=1 > num-buffers=1 ! video/x-raw,format=RGB,width=1680,height=1248,framerate=24/1 > ! fakesink --gst-debug=*:3 > Setting pipeline to PAUSED ... > Pipeline is live and does not need PREROLL ... > Setting pipeline to PLAYING ... > New clock: GstSystemClock > 0:00:00.061089783 867 0x645450 ERROR v4l2bufferpool > gstv4l2bufferpool.c:913:gst_v4l2_buffer_pool_start:<v4l2src0:pool:src> > failed to queue buffers into the capture queue > 0:00:00.061297961 867 0x645450 ERROR bufferpool > gstbufferpool.c:564:gst_buffer_pool_set_active:<v4l2src0:pool:src> start > failed > 0:00:00.061419398 867 0x645450 WARN v4l2src > gstv4l2src.c:663:gst_v4l2src_decide_allocation:<v4l2src0> error: Failed to > allocate required memory. > 0:00:00.061481420 867 0x645450 WARN v4l2src > gstv4l2src.c:663:gst_v4l2src_decide_allocation:<v4l2src0> error: Buffer pool > activation failed > 0:00:00.061791160 867 0x645450 WARN basesrc > gstbasesrc.c:3275:gst_base_src_prepare_allocation:<v4l2src0> Subclass failed > to decide allocation > 0:00:00.061917479 867 0x645450 WARN basesrc > gstbasesrc.c:3055:gst_base_src_loop:<v4l2src0> error: Internal data stream > error. > 0:00:00.061993188 867 0x645450 WARN basesrc > gstbasesrc.c:3055:gst_base_src_loop:<v4l2src0> error: streaming stopped, > reason not-negotiated (-4) > ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to > allocate required memory. > Additional debug info: > ../../../git/sys/v4l2/gstv4l2src.c(663): gst_v4l2src_decide_allocation (): > /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: > Buffer pool activation failed > Execution ended after 0:00:00.004947847 > Setting pipeline to PAUSED ... > Setting pipeline to READY ... > Setting pipeline to NULL ... > Freeing pipeline ... > > Using io-mode 2 (mmap) or 4 (dmabuf) works > > Doing cat /dev/video5 or using qv4l2 in read() mode both work > > Tracing the v4l2 calls in the driver I couldn't really see any error > messages, so for me it seems like the problem is in gstreamer and not in our > driver. > > Can anybody reproduce / confirm this as a bug? was more thinking in dropping support for that rather then fixing it. Meanwhile, if you have a fix, I'll take it. > > Some more debug info from bufferpool: > > root@qt5022:# gst-launch-1.0 v4l2src device=/dev/video5 io-mode=1 > num-buffers=1 ! video/x-raw,format=RGB,width=1680,height=1248,framerate=24/1 > ! fakesink --gst-debug=*:3,*bufferpool*:5 > Setting pipeline to PAUSED ... > Pipeline is live and does not need PREROLL ... > Setting pipeline to PLAYING ... > New clock: GstSystemClock > 0:00:00.060853896 923 0x645c50 DEBUG bufferpool > gstbufferpool.c:185:gst_buffer_pool_init:<GstBufferPool@0x7f516800a0c0> > created > 0:00:00.061482576 923 0x645c50 WARN structure > gststructure.c:1832:priv_gst_structure_append_to_gstring: No value transform > to serialize field 'params' of type 'GstAllocationParams' > 0:00:00.061589426 923 0x645c50 DEBUG v4l2bufferpool > gstv4l2bufferpool.c:510:gst_v4l2_buffer_pool_set_config:<v4l2src0:pool:src> > config GstBufferPoolConfig, caps=(GstCaps)"video/x-raw\,\ > format\=\(string\)RGB\,\ width\=\(int\)1680\,\ height\=\(int\)1248\,\ > framerate\=\(fraction\)24/1\,\ pixel-aspect-ratio\=\(fraction\)1/1\,\ > colorimetry\=\(string\)sRGB\,\ interlace-mode\=\(string\)progressive", > size=(uint)6289920, min-buffers=(uint)0, max-buffers=(uint)0, > allocator=(GstAllocator)"NULL", params=(GstAllocationParams)NULL; > 0:00:00.061822839 923 0x645c50 WARN structure > gststructure.c:1832:priv_gst_structure_append_to_gstring: No value transform > to serialize field 'params' of type 'GstAllocationParams' > 0:00:00.061910521 923 0x645c50 DEBUG bufferpool > gstbufferpool.c:614:default_set_config:<v4l2src0:pool:src> config > GstBufferPoolConfig, caps=(GstCaps)"video/x-raw\,\ format\=\(string\)RGB\,\ > width\=\(int\)1680\,\ height\=\(int\)1248\,\ framerate\=\(fraction\)24/1\,\ > pixel-aspect-ratio\=\(fraction\)1/1\,\ colorimetry\=\(string\)sRGB\,\ > interlace-mode\=\(string\)progressive", size=(uint)6289920, > min-buffers=(uint)0, max-buffers=(uint)0, allocator=(GstAllocator)"NULL", > params=(GstAllocationParams)NULL; > 0:00:00.062634348 923 0x645c50 WARN structure > gststructure.c:1832:priv_gst_structure_append_to_gstring: No value transform > to serialize field 'params' of type 'GstAllocationParams' > 0:00:00.062751705 923 0x645c50 DEBUG v4l2bufferpool > gstv4l2bufferpool.c:510:gst_v4l2_buffer_pool_set_config:<v4l2src0:pool:src> > config GstBufferPoolConfig, caps=(GstCaps)"video/x-raw\,\ > format\=\(string\)RGB\,\ width\=\(int\)1680\,\ height\=\(int\)1248\,\ > framerate\=\(fraction\)24/1\,\ pixel-aspect-ratio\=\(fraction\)1/1\,\ > colorimetry\=\(string\)sRGB\,\ interlace-mode\=\(string\)progressive", > size=(uint)6289920, min-buffers=(uint)4, max-buffers=(uint)0, > allocator=(GstAllocator)"NULL", params=(GstAllocationParams)NULL; > 0:00:00.063024902 923 0x645c50 WARN structure > gststructure.c:1832:priv_gst_structure_append_to_gstring: No value transform > to serialize field 'params' of type 'GstAllocationParams' > 0:00:00.063104057 923 0x645c50 DEBUG bufferpool > gstbufferpool.c:614:default_set_config:<v4l2src0:pool:src> config > GstBufferPoolConfig, caps=(GstCaps)"video/x-raw\,\ format\=\(string\)RGB\,\ > width\=\(int\)1680\,\ height\=\(int\)1248\,\ framerate\=\(fraction\)24/1\,\ > pixel-aspect-ratio\=\(fraction\)1/1\,\ colorimetry\=\(string\)sRGB\,\ > interlace-mode\=\(string\)progressive", size=(uint)6289920, > min-buffers=(uint)4, max-buffers=(uint)0, allocator=(GstAllocator)"NULL", > params=(GstAllocationParams)NULL; > 0:00:00.063265573 923 0x645c50 DEBUG v4l2bufferpool > gstv4l2bufferpool.c:744:gst_v4l2_buffer_pool_start:<v4l2src0:pool:src> > activating pool > 0:00:00.063496816 923 0x645c50 WARN structure > gststructure.c:1832:priv_gst_structure_append_to_gstring: No value transform > to serialize field 'params' of type 'GstAllocationParams' > 0:00:00.063588085 923 0x645c50 DEBUG bufferpool > gstbufferpool.c:614:default_set_config:<v4l2src0:pool:src> config > GstBufferPoolConfig, caps=(GstCaps)"video/x-raw\,\ format\=\(string\)RGB\,\ > width\=\(int\)1680\,\ height\=\(int\)1248\,\ framerate\=\(fraction\)24/1\,\ > pixel-aspect-ratio\=\(fraction\)1/1\,\ colorimetry\=\(string\)sRGB\,\ > interlace-mode\=\(string\)progressive", size=(uint)6289920, > min-buffers=(uint)4, max-buffers=(uint)0, allocator=(GstAllocator)"NULL", > params=(GstAllocationParams)NULL; > 0:00:00.063787556 923 0x645c50 DEBUG v4l2bufferpool > gstv4l2bufferpool.c:1380:gst_v4l2_buffer_pool_release_buffer:<v4l2src0:pool:src> > release buffer 0x7f5168011020 > 0:00:00.063962684 923 0x645c50 DEBUG v4l2bufferpool > gstv4l2bufferpool.c:1380:gst_v4l2_buffer_pool_release_buffer:<v4l2src0:pool:src> > release buffer 0x7f5168011130 > 0:00:00.064109916 923 0x645c50 DEBUG v4l2bufferpool > gstv4l2bufferpool.c:1380:gst_v4l2_buffer_pool_release_buffer:<v4l2src0:pool:src> > release buffer 0x7f5168011240 > 0:00:00.064225693 923 0x645c50 DEBUG v4l2bufferpool > gstv4l2bufferpool.c:1380:gst_v4l2_buffer_pool_release_buffer:<v4l2src0:pool:src> > release buffer 0x7f5168011350 > 0:00:00.064307775 923 0x645c50 ERROR v4l2bufferpool > gstv4l2bufferpool.c:913:gst_v4l2_buffer_pool_start:<v4l2src0:pool:src> > failed to queue buffers into the capture queue > 0:00:00.064394334 923 0x645c50 ERROR bufferpool > gstbufferpool.c:564:gst_buffer_pool_set_active:<v4l2src0:pool:src> start > failed > 0:00:00.064486602 923 0x645c50 WARN v4l2src > gstv4l2src.c:663:gst_v4l2src_decide_allocation:<v4l2src0> error: Failed to > allocate required memory. > 0:00:00.064558738 923 0x645c50 WARN v4l2src > gstv4l2src.c:663:gst_v4l2src_decide_allocation:<v4l2src0> error: Buffer pool > activation failed > 0:00:00.064901094 923 0x645c50 WARN basesrc > gstbasesrc.c:3275:gst_base_src_prepare_allocation:<v4l2src0> Subclass failed > to decide allocation > 0:00:00.065041810 923 0x645c50 WARN basesrc > gstbasesrc.c:3055:gst_base_src_loop:<v4l2src0> error: Internal data stream > error. > 0:00:00.065117960 923 0x645c50 WARN basesrc > gstbasesrc.c:3055:gst_base_src_loop:<v4l2src0> error: streaming stopped, > reason not-negotiated (-4) > ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to > allocate required memory. > Additional debug info: > ../../../git/sys/v4l2/gstv4l2src.c(663): gst_v4l2src_decide_allocation (): > /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: > Buffer pool activation failed > Execution ended after 0:00:00.007016015 > Setting pipeline to PAUSED ... > Setting pipeline to READY ... > 0:00:00.066706635 923 0x67fe30 DEBUG bufferpool > gstbufferpool.c:552:gst_buffer_pool_set_active:<v4l2src0:pool:src> pool was > in the right state > 0:00:00.067049135 923 0x67fe30 DEBUG bufferpool > gstbufferpool.c:197:gst_buffer_pool_finalize:<v4l2src0:pool:src> > 0x7f516800a0c0 finalize > 0:00:00.067081249 923 0x67fe30 DEBUG bufferpool > gstbufferpool.c:552:gst_buffer_pool_set_active:<v4l2src0:pool:src> pool was > in the right state > Setting pipeline to NULL ... > Freeing pipeline ... > > > > -- > Sent from: http://gstreamer-devel.966125.n4.nabble.com/ > _______________________________________________ > gstreamer-devel mailing list > [hidden email] > https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel _______________________________________________ gstreamer-devel mailing list [hidden email] https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel |
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Re: v4l2src fails allocation with io-mode=1 (RW)
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