RPI 1.4.5 gst_memory_map: subclass map failed

[Arnaud Loonstra]

When I remove the "glshader ! glimagesink" bin and just use the 
glimagesink it works (smooth also)

Seems to be something with either the combined bin or the glshader?

On 2015-05-19 19:33, Arnaud Loonstra wrote:
> Hi all,
>
> I'm running into an issue where a gst-launch is working on a
> Raspberry Pi but the same python code isn't...
>
> gst-launch-1.0 -v uridecodebin
> uri=file:///opt/vc/src/hello_pi/hello_video/test.h264 ! glshader
> location=shader.glsl preset=preset.glsl vars="float alpha =
> float(1.);" ! glimagesink  sync=false
>
> Is working (although slow)
>
> But the same in a python script is giving:
>
> 0:00:00.675878718 10258  0x1938b40 WARN                 basesrc
> gstbasesrc.c:3470:gst_base_src_start_complete:<source> pad not
> activated yet
> 0:00:00.695690831 10258  0x1938b40 WARN                 basesrc
> gstbasesrc.c:3470:gst_base_src_start_complete:<source> pad not
> activated yet
> <__main__.GstURIDecodeBin object at 0xb5d358f0 (GstURIDecodeBin at
> 0x191e058)> <GhostPad object at 0xb5d4faa8 (GstGhostPad at 
> 0x193a630)>
> <Bin object at 0xb5d35bc0 (GstBin at 0x1934080)>
> 0:00:01.313655144 10258  0x1a2d800 FIXME               glshader
> gstglshader.c:440:gst_gl_shader_compile: vertex shader info log:
> Compiled
> 0:00:01.316240028 10258  0x1a2d800 FIXME               glshader
> gstglshader.c:472:gst_gl_shader_compile: vertex shader info log:
> Compiled
> (python3:10258): GStreamer-CRITICAL **: gst_buffer_pool_get_config:
> assertion 'GST_IS_BUFFER_POOL (pool)' failed
> (python3:10258): GStreamer-CRITICAL **:
> gst_buffer_pool_config_get_params: assertion 'config != NULL' failed
> (python3:10258): GStreamer-CRITICAL **: gst_structure_free: assertion
> 'structure != NULL' failed
> (python3:10258): GStreamer-CRITICAL **: gst_buffer_pool_get_config:
> assertion 'GST_IS_BUFFER_POOL (pool)' failed
> (python3:10258): GStreamer-CRITICAL **:
> gst_buffer_pool_config_get_params: assertion 'config != NULL' failed
> (python3:10258): GStreamer-CRITICAL **: gst_structure_free: assertion
> 'structure != NULL' failed
> (python3:10258): GStreamer-CRITICAL **:
> gst_query_add_allocation_pool: assertion 'size != 0' failed
> 0:00:01.507338466 10258 0xb1008f20 ERROR             GST_MEMORY
> gstmemory.c:318:gst_memory_map: mem 0x19ace18: subclass map failed
> 0:00:01.508560411 10258 0xb1008f20 ERROR                default
> video-frame.c:138:gst_video_frame_map_id: failed to map video frame
> plane 0
> 0:00:01.564639899 10258  0x1a2d800 FIXME               glshader
> gstglshader.c:440:gst_gl_shader_compile: vertex shader info log:
> Compiled
> 0:00:01.567068790 10258  0x1a2d800 FIXME               glshader
> gstglshader.c:472:gst_gl_shader_compile: vertex shader info log:
> Compiled
> 0:00:01.630446950 10258 0xb1008f20 ERROR             GST_MEMORY
> gstmemory.c:318:gst_memory_map: mem 0x1951a68: subclass map failed
> 0:00:01.631518902 10258 0xb1008f20 ERROR                default
> video-frame.c:138:gst_video_frame_map_id: failed to map video frame
> plane 0
> 0:00:01.685431487 10258 0xb1008f20 ERROR             GST_MEMORY
> gstmemory.c:318:gst_memory_map: mem 0x19ad0c0: subclass map failed
> 0:00:01.686610434 10258 0xb1008f20 ERROR                default
> video-frame.c:138:gst_video_frame_map_id: failed to map video frame
> plane 0
> 0:00:01.731516422 10258 0xb1008f20 ERROR             GST_MEMORY
> gstmemory.c:318:gst_memory_map: mem 0x19acdc0: subclass map failed
> 0:00:01.732589374 10258 0xb1008f20 ERROR                default
> video-frame.c:138:gst_video_frame_map_id: failed to map video frame
> plane 0
> 0:00:01.781968162 10258 0xb1008f20 ERROR             GST_MEMORY
> gstmemory.c:318:gst_memory_map: mem 0x19acf78: subclass map failed
> 0:00:01.783184107 10258 0xb1008f20 ERROR                default
> video-frame.c:138:gst_video_frame_map_id: failed to map video frame
> plane 0
> 0:00:01.829022053 10258 0xb1008f20 ERROR             GST_MEMORY
> gstmemory.c:318:gst_memory_map: mem 0x1a16b88: subclass map failed
>
> Code is here:
> 
> https://github.com/sphaero/ZOCPApps/blob/zvideo/zvideo/zvideoplayer.py
>
> Any thoughts?
>
> Rg,
>
> Arnaud