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SubjectRe: [EXT] Re: [PATCH 0/5] Add V4L2 driver for i.MX8 JPEG Encoder/Decoder
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Hi Hans,

On Mi, 2019-11-06 at 16:37 +0100, Hans Verkuil wrote:
> That's too old. Always test with the latest version from the v4l-
> utils git
> repo (git://linuxtv.org/v4l-utils.git). v4l2-compliance is
> continually
> improved, so driver testing should always be done with the latest
> version.
>
> For the JPEG encoder you can add the -s option to v4l2-compliance.
> Unfortunately,
> the streaming tests for JPEG decoders in v4l2-compliance are not well
> supported
> at the moment, so you can't use -s there.
>
> Please provide the full output of the v4l2-compliance command as
> well, I'd
> like to see the actual output.

Thanks for the reply. I updated to the latest v4l-utils, basic tests
pass, but I have issues with the streaming tests (-s). I'll work on
those, it might take a while.
For the reference, here's the actual output, for both the encoder &
decoder.


root@imx8qxpmek:/unit_tests/JPEG# ./v4l2-compliance -d /dev/video1 -s
v4l2-compliance SHA: 6c415a11fceb32067cdb5c2e33f90dbf018182a4, 64 bits

Compliance test for mxc-jpeg decode device /dev/video1:

Driver Info:
Driver name      : mxc-jpeg decode
Card type        : mxc-jpeg decoder
Bus info         : platform:58450000.jpegenc
Driver version   : 5.4.0
Capabilities     : 0x84204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format
Device Capabilities
Device Caps      : 0x04204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format
Detected JPEG Encoder

Required ioctls:
test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
test second /dev/video1 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 (Not Supported)
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 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)

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
test VIDIOC_G/S_PARM: OK (Not Supported)
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK
test VIDIOC_TRY_FMT: OK
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

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
test VIDIOC_EXPBUF: OK
test Requests: OK (Not Supported)

Test input 0:

Streaming ioctls:
test read/write: OK (Not Supported)
test blocking wait: OK
fail: v4l2-test-buffers.cpp(254): g_field() ==
V4L2_FIELD_ANY
fail: v4l2-test-buffers.cpp(1266): buf.qbuf(node)
test MMAP (no poll): FAIL
fail: v4l2-test-buffers.cpp(254): g_field() ==
V4L2_FIELD_ANY
fail: v4l2-test-buffers.cpp(1266): buf.qbuf(node)
test MMAP (select): FAIL
fail: v4l2-test-buffers.cpp(254): g_field() ==
V4L2_FIELD_ANY
fail: v4l2-test-buffers.cpp(1266): buf.qbuf(node)
test MMAP (epoll): FAIL
fail: v4l2-test-buffers.cpp(1492): ret && ret != ENOTTY
fail: v4l2-test-buffers.cpp(1580): setupUserPtr(node,
q)
test USERPTR (no poll): FAIL
fail: v4l2-test-buffers.cpp(1492): ret && ret != ENOTTY
fail: v4l2-test-buffers.cpp(1580): setupUserPtr(node,
q)
test USERPTR (select): FAIL
test DMABUF: Cannot test, specify --expbuf-device

Total for mxc-jpeg decode device /dev/video1: 51, Succeeded: 46,
Failed: 5, Warnings: 0



root@imx8qxpmek:/unit_tests/JPEG# ./v4l2-compliance -d /dev/video0 -s
v4l2-compliance SHA: 6c415a11fceb32067cdb5c2e33f90dbf018182a4, 64 bits

Compliance test for mxc-jpeg decode device /dev/video0:

Driver Info:
Driver name      : mxc-jpeg decode
Card type        : mxc-jpeg decoder
Bus info         : platform:58400000.jpegdec
Driver version   : 5.4.0
Capabilities     : 0x84204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format
Device Capabilities
Device Caps      : 0x04204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format
Detected JPEG Decoder

Required ioctls:
test VIDIOC_QUERYCAP: OK

Allow for multiple opens:
test second /dev/video0 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 (Not Supported)
test VIDIOC_G/S_AUDIO: OK (Not Supported)
Inputs: 0 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)

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
test VIDIOC_G/S_PARM: OK (Not Supported)
test VIDIOC_G_FBUF: OK (Not Supported)
test VIDIOC_G_FMT: OK
test VIDIOC_TRY_FMT: OK
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

Codec ioctls:
test VIDIOC_(TRY_)ENCODER_CMD: OK
test VIDIOC_G_ENC_INDEX: OK (Not Supported)
test VIDIOC_(TRY_)DECODER_CMD: OK

Buffer ioctls:
test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK
test VIDIOC_EXPBUF: OK
test Requests: OK (Not Supported)

Test input 0:

Streaming ioctls:
test read/write: OK (Not Supported)
test blocking wait: OK
fail: v4l2-test-buffers.cpp(254): g_field() ==
V4L2_FIELD_ANY
fail: v4l2-test-buffers.cpp(1266): buf.qbuf(node)
test MMAP (no poll): FAIL
fail: v4l2-test-buffers.cpp(254): g_field() ==
V4L2_FIELD_ANY
fail: v4l2-test-buffers.cpp(1266): buf.qbuf(node)
test MMAP (select): FAIL
fail: v4l2-test-buffers.cpp(254): g_field() ==
V4L2_FIELD_ANY
fail: v4l2-test-buffers.cpp(1266): buf.qbuf(node)
test MMAP (epoll): FAIL
fail: v4l2-test-buffers.cpp(1492): ret && ret != ENOTTY
fail: v4l2-test-buffers.cpp(1580): setupUserPtr(node,
q)
test USERPTR (no poll): FAIL
fail: v4l2-test-buffers.cpp(1492): ret && ret != ENOTTY
fail: v4l2-test-buffers.cpp(1580): setupUserPtr(node,
q)
test USERPTR (select): FAIL
test DMABUF: Cannot test, specify --expbuf-device

Total for mxc-jpeg decode device /dev/video0: 51, Succeeded: 46,
Failed: 5, Warnings: 0



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