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SubjectRe: [PATCH v3 2/4] media: vicodec: use v4l2-mem2mem draining, stopped and next-buf-is-last states handling
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On 13/12/2019 14:21, Hans Verkuil wrote:
> On 12/9/19 1:20 PM, Neil Armstrong wrote:
>> Use the previously introduced v4l2-mem2mem core APIs to handle the drainig,
>> stopped and next-buf-is-last states.
>>
>> With these changes, the v4l2-compliance still passes with the following
>> commands :
>> # v4l2-ctl --stream-mmap --stream-out-mmap --stream-to-hdr out.comp --stream-from in.yuv
>>>>>> <><><><><><><><><><><><><><><><>< 15.53 fps
>> 15.53 fps
>>> <><><><><><><><><><><><>< 13.99 fps
>> 13.99 fps
>>> <><><><><><><><><><><>< 13.52 fps
>> 13.52 fps
>>> <><><><><><><><><><><><>< 13.41 fps
>> 13.41 fps
>>> <><><><><><><><><><><><>< 13.21 fps
>> 13.21 fps
>>> <><><><><><><><><><><>< 13.09 fps
>> 13.09 fps
>>> <><><><><><><
>> STOP ENCODER
>> <<<
>> EOS EVENT
>>
>> # v4l2-compliance --stream-from in.yuv -s
>> v4l2-compliance SHA: 7ead0e1856b89f2e19369af452bb03fd0cd16793, 64 bits
>> [...]
>> Total for vicodec device /dev/video0: 50, Succeeded: 50, Failed: 0, Warnings: 0
>>
>> The full output is available at [1]
>>
>> # v4l2-compliance -d1 --stream-from-hdr out.comp -s
>> v4l2-compliance SHA: 7ead0e1856b89f2e19369af452bb03fd0cd16793, 64 bits
>> [...]
>> Total for vicodec device /dev/video1: 50, Succeeded: 50, Failed: 0, Warnings: 0
>>
>> The full output is available at [2]
>>
>> No functional changes should be noticed.
>
> Ah, unfortunately there *are* functional changes.
>
> There is a (much) more extensive test that is done in the test-media script.
>
> In v4l-utils, go to contrib/test. Now run (as root): test-media vicodec
>
> This test now fails on some tests for the stateful decoder:
>
> Streaming ioctls:
> test read/write: OK (Not Supported)
> test blocking wait: OK
> fail: v4l2-test-buffers.cpp(943): ret == 0
> fail: v4l2-test-buffers.cpp(1353): captureBufs(node, node_m2m_cap, q, m2m_q, frame_count, pollmode, capture_count)
> test MMAP (select): FAIL
> fail: v4l2-test-buffers.cpp(951): ret == 0
> fail: v4l2-test-buffers.cpp(1353): captureBufs(node, node_m2m_cap, q, m2m_q, frame_count, pollmode, capture_count)
> test MMAP (epoll): FAIL
> fail: v4l2-test-buffers.cpp(943): ret == 0
> fail: v4l2-test-buffers.cpp(1607): captureBufs(node, node_m2m_cap, q, m2m_q, frame_count, pollmode, capture_count)
> test USERPTR (select): FAIL
> fail: v4l2-test-buffers.cpp(943): ret == 0
> fail: v4l2-test-buffers.cpp(1761): captureBufs(node, node_m2m_cap, q, m2m_q, frame_count, pollmode, capture_count)
> test DMABUF (select): FAIL
>
> I also see this:
>
> cmp: EOF on /tmp/tmp.7KAXKAIkVZ/raw.yu12.1280.24 after byte 23500800, in line 1
>
> which shouldn't be there either.
>
> I can recommend the test-media script: it can test all the virtual drivers and it is
> part of the daily build to check for regressions.

Thx for the pointer, I'll analyze the failures.
>
> Regards,
>
> Hans
>

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