Gstreamer v4l2src: Failed to allocate required memory
Nicolas Dufresne
nicolas at ndufresne.ca
Wed Mar 27 13:46:23 UTC 2019
Le mer. 27 mars 2019 04 h 55, Andrea <andrea.rossetto at videomed.biz> a
écrit :
> I've installed v4l2-utils and run v4l2-compliance.
>
> v4l2-compliance SHA : not available
>
> Driver Info:
> Driver name : video
> Card type : PL video
> Bus info : platform:Pl-0.0.0
> Driver version: 4.14.0
> Capabilities : 0x81200001
> Video Capture
> Read/Write
> Extended Pix Format
> Device Capabilities
> Device Caps : 0x01200001
> Video Capture
> Read/Write
> Extended Pix Format
>
> Compliance test for device /dev/video0 (not using libv4l2):
>
> Required ioctls:
> test VIDIOC_QUERYCAP: OK
>
> Allow for multiple opens:
> test second video open: OK
> test VIDIOC_QUERYCAP: OK
> test VIDIOC_G/S_PRIORITY: OK
> test for unlimited opens: OK
>
> Debug ioctls:
> test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
> test VIDIOC_LOG_STATUS: OK (Not Supported)
>
> Input ioctls:
> test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
> test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
> test VIDIOC_ENUMAUDIO: OK (Not Supported)
> test VIDIOC_G/S/ENUMINPUT: OK
> test VIDIOC_G/S_AUDIO: OK (Not Supported)
> Inputs: 1 Audio Inputs: 0 Tuners: 0
>
> Output ioctls:
> test VIDIOC_G/S_MODULATOR: OK (Not Supported)
> test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> test VIDIOC_ENUMAUDOUT: OK (Not Supported)
> test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
> test VIDIOC_G/S_AUDOUT: OK (Not Supported)
> Outputs: 0 Audio Outputs: 0 Modulators: 0
>
> Input/Output configuration ioctls:
> test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
> test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
> test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
> test VIDIOC_G/S_EDID: OK (Not Supported)
>
> Test input 0:
>
> Control ioctls:
> test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK (Not Supported)
> test VIDIOC_QUERYCTRL: OK (Not Supported)
> test VIDIOC_G/S_CTRL: OK (Not Supported)
> test VIDIOC_G/S/TRY_EXT_CTRLS: OK (Not Supported)
> test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK (Not Supported)
> test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
> Standard Controls: 0 Private Controls: 0
>
> Format ioctls:
> test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
> warn:
>
> ../../../v4l-utils-1.12.3/utils/v4l2-compliance/v4l2-test-formats.cpp(1121):
> V4L2_MODE_HIGHQUALITY is poorly defined
> warn:
>
> ../../../v4l-utils-1.12.3/utils/v4l2-compliance/v4l2-test-formats.cpp(1121):
> V4L2_MODE_HIGHQUALITY is poorly defined
> test VIDIOC_G/S_PARM: OK
> test VIDIOC_G_FBUF: OK (Not Supported)
> test VIDIOC_G_FMT: OK
> warn:
> ../../../v4l-utils-1.12.3/utils/v4l2-compliance/v4l2-test-formats.cpp(717):
> TRY_FMT cannot handle an invalid pixelformat.
> warn:
> ../../../v4l-utils-1.12.3/utils/v4l2-compliance/v4l2-test-formats.cpp(718):
> This may or may not be a problem. For more information see:
> warn:
> ../../../v4l-utils-1.12.3/utils/v4l2-compliance/v4l2-test-formats.cpp(719):
> http://www.mail-archive.com/linux-media@vger.kernel.org/msg56550.html
> test VIDIOC_TRY_FMT: OK
> warn:
> ../../../v4l-utils-1.12.3/utils/v4l2-compliance/v4l2-test-formats.cpp(977):
> S_FMT cannot handle an invalid pixelformat.
> warn:
> ../../../v4l-utils-1.12.3/utils/v4l2-compliance/v4l2-test-formats.cpp(978):
> This may or may not be a problem. For more information see:
> warn:
> ../../../v4l-utils-1.12.3/utils/v4l2-compliance/v4l2-test-formats.cpp(979):
> http://www.mail-archive.com/linux-media@vger.kernel.org/msg56550.html
> test VIDIOC_S_FMT: OK
> test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
> test Cropping: OK (Not Supported)
> test Composing: OK (Not Supported)
> test Scaling: OK (Not Supported)
>
> Codec ioctls:
> test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
> test VIDIOC_G_ENC_INDEX: OK (Not Supported)
> test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
>
> Buffer ioctls:
> test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK (Not
> Supported)
>
Wat!?! I need to speak to Hans, this should really be an error. Basically,
allocating buffers is not supported by your driver, so it's totally
unusable.
test VIDIOC_EXPBUF: OK (Not Supported)
> Test input 0:
>
>
> Total: 43, Succeeded: 43, Failed: 0, Warnings: 8
>
> After solving some fail, lanching again the pipeline the error did not
> change:
>
> DEBUG v4l2
> gstv4l2object.c:4061:gst_v4l2_object_decide_allocation:<v4l2src0>
> allocation: size:26542080 min:2 max:0 pool:(NULL)
> DEBUG v4l2
> gstv4l2object.c:4088:gst_v4l2_object_decide_allocation:<v4l2src0>
> read/write
> mode: no downstream pool, using our own
> DEBUG v4l2
> gstv4l2object.c:4186:gst_v4l2_object_decide_allocation:<v4l2src0> activate
> Video Meta
> DEBUG v4l2
> gstv4l2object.c:4195:gst_v4l2_object_decide_allocation:<v4l2src0> setting
> own pool config to GstBufferPoolConfig, caps=(GstCaps)"video/x-raw\,\
> format\=\(string\)RGB\,\ width\=\(int\)4096\,\ height\=\(int\)2160\,\
> framerate\=\(fraction\)30/1\,\ pixel-aspect-ratio\=\(fraction\)1/1\,\
> interlace-mode\=\(string\)progressive\,\ colorimetry\=\(string\)sRGB",
> size=(uint)26542080, min-buffers=(uint)4, max-buffers=(uint)0,
> allocator=(GstAllocator)"NULL", params=(GstAllocationParams)NULL,
> options=(string)< GstBufferPoolOptionVideoMeta >;
> DEBUG v4l2bufferpool
> gstv4l2bufferpool.c:509:gst_v4l2_buffer_pool_set_config:<v4l2src0:pool:src>
> config GstBufferPoolConfig, caps=(GstCaps)"video/x-raw\,\
> format\=\(string\)RGB\,\ width\=\(int\)4096\,\ height\=\(int\)2160\,\
> framerate\=\(fraction\)30/1\,\ pixel-aspect-ratio\=\(fraction\)1/1\,\
> interlace-mode\=\(string\)progressive\,\ colorimetry\=\(string\)sRGB",
> size=(uint)26542080, min-buffers=(uint)4, max-buffers=(uint)0,
> allocator=(GstAllocator)"NULL", params=(GstAllocationParams)NULL,
> options=(string)< GstBufferPoolOptionVideoMeta >;
> DEBUG v4l2bufferpool
> gstv4l2bufferpool.c:707:gst_v4l2_buffer_pool_start:<v4l2src0:pool:src>
> activating pool
> DEBUG v4l2bufferpool
>
> gstv4l2bufferpool.c:1414:gst_v4l2_buffer_pool_release_buffer:<v4l2src0:pool:src>
> release buffer 0x7f7c0110e0
> DEBUG v4l2bufferpool
>
> gstv4l2bufferpool.c:1414:gst_v4l2_buffer_pool_release_buffer:<v4l2src0:pool:src>
> release buffer 0x7f7c0111f0
> DEBUG v4l2bufferpool
>
> gstv4l2bufferpool.c:1414:gst_v4l2_buffer_pool_release_buffer:<v4l2src0:pool:src>
> release buffer 0x7f7c011300
> DEBUG v4l2bufferpool
>
> gstv4l2bufferpool.c:1414:gst_v4l2_buffer_pool_release_buffer:<v4l2src0:pool:src>
> release buffer 0x7f7c011410
> ERROR v4l2bufferpool
> gstv4l2bufferpool.c:888:gst_v4l2_buffer_pool_start:<v4l2src0:pool:src>
> failed to queue buffers into the capture queue
> WARN v4l2src
> gstv4l2src.c:555:gst_v4l2src_decide_allocation:<v4l2src0> error: Failed to
> allocate required memory.
> WARN v4l2src
> gstv4l2src.c:555:gst_v4l2src_decide_allocation:<v4l2src0> error: Buffer
> pool
> activation failed
> ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Failed to
> allocate required memory.
> Additional debug info:
> ../../../git/sys/v4l2/gstv4l2src.c(555): gst_v4l2src_decide_allocation ():
> /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
> Buffer pool activation failed
>
>
>
>
> --
> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
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