[Nouveau] VDPAU DEINTERLACE

Mon May 9 18:55:07 UTC 2016

On 09.05.2016 20:45, Ilia Mirkin wrote:
> You can try playing with pstate in /sys/kernel/debug/dri/0/pstate
> 

# cat /sys/kernel/debug/dri/0/pstate
0f: core 567 MHz shader 1400 MHz memory 400 MHz
AC: core 566 MHz shader 1400 MHz memory 399 MHz

±1 MHz :)

> On Mon, May 9, 2016 at 2:42 PM, poma <pomidorabelisima at gmail.com> wrote:
>> On 09.05.2016 19:37, Ilia Mirkin wrote:
>>> Mesa only supports the non-spatial temporal deinterlace (deint=3). I'm
>>> guessing that due to some unfortunate issues, you're no longer getting
>>> hw accelerated video decoding. Check in vdpauinfo to make sure that
>>> it's indeed showing the relevant codec as supported. If not, you can
>>> turn that back on by updating to mesa 11.2.2, or downgrading your
>>> kernel to 4.2 or earlier. (The issue only affects G98 and MCP77/MCP79
>>> IGPs.)
>>>
>>
>> With the -Mplayer- vdpau decoding works, at least with the -progressive- scan type,
>> -interlaced- scan type (DVBT-576i/1080i) is questionable,
>> especially when runs within vlc or xine, even without vdpau deinterlacer,
>> Xorg crash dump, satisfaction guarantee.
>>
>>
>> $ vdpauinfo
>> display: :0.0   screen: 0
>> API version: 1
>> Information string: G3DVL VDPAU Driver Shared Library version 1.0
>> ...
>>
>> Decoder capabilities:
>>
>> name                        level macbs width height
>> ----------------------------------------------------
>> MPEG1                           0 16384  2048  2048
>> MPEG2_SIMPLE                    3 16384  2048  2048
>> MPEG2_MAIN                      3 16384  2048  2048
>> H264_BASELINE                  41 16384  2048  2048
>> H264_MAIN                      41 16384  2048  2048
>> H264_HIGH                      41 16384  2048  2048
>> VC1_SIMPLE                      1 16384  2048  2048
>> VC1_MAIN                        2 16384  2048  2048
>> VC1_ADVANCED                    4 16384  2048  2048
>> MPEG4_PART2_SP                 --- not supported ---
>> ...
>>
>> Video mixer:
>>
>> feature name                    sup
>> ------------------------------------
>> DEINTERLACE_TEMPORAL             y
>> DEINTERLACE_TEMPORAL_SPATIAL     -
>> INVERSE_TELECINE                 -
>> NOISE_REDUCTION                  y
>> SHARPNESS                        y
>> LUMA_KEY                         -
>> ...
>>
>>> If you are, in fact, getting hw video decoding acceleration, then it
>>> could be that your GPU is clocked too low. You could attempt
>>> reclocking to a higher pstate and seeing what happens.
>>>
>>
>> # nvclock --speeds
>> ...
>> Memory clock: 399.600 MHz
>> GPU clock: 612.000 MHz
>>
>> # nvclock --info
>> ...
>> Performance level 0: gpu 567MHz/shader 1400MHz/memory 400MHz/100%
>>
>> $ dmesg -t | grep pstate
>> ...
>> Kernel command line: ... nouveau.pstate=1 ...
>> nouveau: unknown parameter 'pstate' ignored
>> -4.5.2-
>>
>> Is there a room for reinforcement, or
>> NVIDIA G98 DEINTERLACER: ability without capability, i.e. underpowered GPU?
>>
>>>
>>> On Thu, May 5, 2016 at 1:12 AM, poma <pomidorabelisima at gmail.com> wrote:
>>>>
>>>> NVIDIA G98
>>>> mesa-dri-drivers-11.2.1-2.20160501.fc22.x86_64
>>>> (incl. mesa commit 38fcf7c)
>>>>
>>>>
>>>> vdpauinfo | grep -i deint
>>>> DEINTERLACE_TEMPORAL             y
>>>> DEINTERLACE_TEMPORAL_SPATIAL     -
>>>>
>>>>
>>>> https://cgit.freedesktop.org/vdpau/libvdpau/tree/include/vdpau/vdpau.h#n3420
>>>> #define VDP_VIDEO_MIXER_FEATURE_DEINTERLACE_TEMPORAL         ((VdpVideoMixerFeature)0)
>>>> /**
>>>>  * \hideinitializer
>>>>  * \brief A VdpVideoMixerFeature.
>>>>  *
>>>>  * When requested and enabled, this enables a more advanced
>>>>  * version of temporal de-interlacing, that additionally uses
>>>>  * edge-guided spatial interpolation.
>>>>  *
>>>>  * When multiple de-interlacing options are requested and
>>>>  * enabled, the back-end implementation chooses the best
>>>>  * algorithm to apply.
>>>>  */
>>>> #define VDP_VIDEO_MIXER_FEATURE_DEINTERLACE_TEMPORAL_SPATIAL ((VdpVideoMixerFeature)1)
>>>> /**
>>>>  * \hideinitializer
>>>>  * \brief A VdpVideoMixerFeature.
>>>>  *
>>>>  * When requested and enabled, cadence detection will be enabled
>>>>  * on interlaced content and the video mixer will try to extract
>>>>  * progressive frames from pull-down material.
>>>>  */
>>>>
>>>>
>>>> https://cgit.freedesktop.org/vdpau/libvdpau/tree/include/vdpau/vdpau.h#n606
>>>>  * \subsection deint_adv Advanced De-interlacing
>>>>  *
>>>>  * Operation of both temporal and temporal-spatial de-interlacing is
>>>>  * identical; the only difference is the internal processing the algorithm
>>>>  * performs in generating the output frame.
>>>>  *
>>>>
>>>>
>>>> man 1 mplayer
>>>> ...
>>>> vdpau (X11 only)
>>>> ...
>>>> deint=<-4-4>
>>>> ...
>>>>        Select deinterlacing mode (default: -3). Positive  values
>>>>        choose mode and enable deinterlacing. Corresponding nega‐
>>>>        tive values select the same deinterlacing  mode,  but  do
>>>>        not enable deinterlacing on startup (useful in configura‐
>>>>        tion files to specify what mode will be  enabled  by  the
>>>>        "D" key). All modes respect --field-dominance.
>>>>
>>>>        0      same as -3
>>>>
>>>>        1      Show only first field, similar to --vf=field.
>>>>
>>>>        2      Bob deinterlacing, similar to --vf=tfields=1.
>>>>
>>>>        3      motion  adaptive  temporal deinterlacing. May lead
>>>>               to A/V desync with slow video hardware and/or high
>>>>               resolution.
>>>>
>>>>        4      motion   adaptive   temporal   deinterlacing  with
>>>>               edge-guided  spatial  interpolation.  Needs   fast
>>>>               video hardware.
>>>>
>>>>
>>>> Reading all this, am I correctly concluded,
>>>> what is supported within NVIDIA G98 HW is DEINTERLACE_TEMPORAL,
>>>> which should be engaged with Mplayer's 'vdpau:deint=4' option?
>>>>
>>>> Then again, what DEINTERLACE_TEMPORAL_SPATIAL represents?
>>>> As reading the 'vdpauinfo' output it should not be supported.
>>>> Is it associated with Mplayer's 'vdpau:deint=3' option,
>>>> which in turn works, so to speak?
>>>>
>>>> mplayer -vo vdpau:deint=[34] -vc ffmpeg12vdpau dvb://2@DVBT
>>>>
>>>> Although they achieve solid deinterlacing result,
>>>> vdpau:deint=3 and vdpau:deint=4 tend to produce:
>>>>
>>>> ************************************************
>>>> **** Your system is too SLOW to play this!  ****
>>>> ************************************************
>>>>
>>>> Rest of the deinterlacing modes - 1 and 2, are not so great.
>>>>
>>>>
>>>> _______________________________________________
>>>> Nouveau mailing list
>>>> Nouveau at lists.freedesktop.org
>>>> https://lists.freedesktop.org/mailman/listinfo/nouveau
>>