Encoding a DMABuf into a video stream with VAAPI
Victor Jaquez
vjaquez at igalia.com
Wed Apr 19 18:51:00 UTC 2023
On Mon, 17 Apr 2023 at 18:24, xaterus at gmail.com wrote:
> Hello,
>
> Thanks for the fast reply. Oh they are right. I only looked at
> vaapipostproc and no more when I switched to va. I now tried it again
> with vaapipostproc where gstreamer inspect says
>
> video/x-raw(memory:DMABuf)
> format: { (string)ENCODED, (string)NV12,
> (string)YV12, (string)I420, (string)YUY2, (string)UYVY, (string)Y444,
> (string)GRAY8, (string)P010_10LE, (string)P012_LE, (string)VUYA,
> (string)Y210, (string)Y410, (string)Y212_LE, (string)Y412_LE,
> (string)ARGB, (string)xRGB, (string)RGBA, (string)RGBx, (string)ABGR,
> (string)xBGR, (string)BGRA, (string)BGRx, (string)RGB16, (string)RGB,
> (string)BGR10A2_LE }
> width: [ 1, 2147483647 ]
> height: [ 1, 2147483647 ]
> framerate: [ 0/1, 2147483647/1 ]
> interlace-mode: { (string)progressive, (string)interleaved,
> (string)mixed }
>
> But still the same error.
Because vaapipostproc's pad template is hard-coded, it doesn't query the device,
that's why, at the end, occurs the same error.
vmjl
>
> Thanks in advance and Greetings
> Michael
>
> Am Mo., 17. Apr. 2023 um 18:02 Uhr schrieb Victor Jaquez <vjaquez at igalia.com>:
> >
> > On Mon, 17 Apr 2023 at 17:18, xaterus at gmail.com wrote:
> > > Hello,
> > >
> > > sorry for the late reply, I had to take a break from the project.
> > > The intel-media-va-driver fixed the
> > > "gstvaapifilter.c:1373:gst_vaapi_filter_set_property:<vaapifilter0>
> > > VA" PRoblem.
> > >
> > >
> > > But I still have the problem that my pipeline does not work.
> > >
> > > > appsrc name=source format=time ! video/x-raw(memory:DMABuf),width=1024,height=768,framerate=(fraction)60/1,format=BGRx ! vapostproc ! vah264enc ! h264parse ! mp4mux ! filesink location=../test.mp4
> > >
> > > > Error received from element capsfilter0: Filter caps do not completely specify the output format
> > > > Debugging information: ../subprojects/gstreamer/plugins/elements/gstcapsfilter.c(458): gst_capsfilter_prepare_buf (): /GstPipeline:pipeline0/GstCapsFilter:capsfilter0:
> > > > Output caps are unfixed: EMPTY
> > > > Error received from element source: Internal data stream error.
> > > > Debugging information: ../subprojects/gstreamer/libs/gst/base/gstbasesrc.c(3132): gst_base_src_loop (): /GstPipeline:pipeline0/GstAppSrc:source:
> > > > streaming stopped, reason error (-5)
> > >
> > >
> > > It seems that vapostproc can't convert from
> > > video/x-raw(memory:DMABuf), format=BGRx to
> > > to video/x-raw(memory:DMABuf), format=NV12 which is needed for
> > > vah264enc. Or do I have a mistake somewhere else?
> >
> > You can see what formats actually vapostproc support by inspecting it:
> >
> > gst-inspect-1.0 vapostproc
> >
> > And in my platform (intel skylake) it doesn't support BGRx for DMABuf:
> >
> > video/x-raw(memory:DMABuf)
> > width: [ 16, 16384 ]
> > height: [ 16, 16384 ]
> > format: { (string)NV12, (string)I420, (string)YV12, (string)YUY2, (string)Y42B, (string)RGBP, (string)P010_10LE, (string)RGB, (string)BGRA, (string)RGBA, (string)BGR10A2_LE, (string)VUYA, (string)Y210, (string)Y410, (string)P012_LE, (string)Y212_LE, (string)Y412_LE }
> >
> > In this case, you should either convert to any of this color formats, or use
> > system memory-based buffers, which does support BGRx:
> >
> > video/x-raw
> > width: [ 16, 16384 ]
> > height: [ 16, 16384 ]
> > format: { (string)ARGB, (string)BGRA, (string)ABGR, (string)RGBA, (string)xRGB, (string)BGRx, (string)xBGR, (string)RGBx, (string)BGR10A2_LE, (string)RGB16, (string)RGBP, (string)VUYA, (string)GRAY8, (string)NV12, (string)NV21, (string)YUY2, (string)UYVY, (string)YV12, (string)I420, (string)Y42B, (string)Y444, (string)P010_10LE }
> >
> > vmjl
> >
> > >
> > > Thanks in advance and Greetings
> > > Michael
> > >
> > > Am Fr., 24. Feb. 2023 um 12:15 Uhr schrieb Victor Jaquez via
> > > gstreamer-devel <gstreamer-devel at lists.freedesktop.org>:
> > > >
> > > > On Thu, 23 Feb 2023 at 20:59, xaterus--- via gstreamer-devel wrote:
> > > > > Hi,
> > > > >
> > > > > Am Mi., 22. Feb. 2023 um 12:30 Uhr schrieb Victor Jaquez via
> > > > > gstreamer-devel <gstreamer-devel at lists.freedesktop.org>:
> > > > > > What hardware are you using?
> > > > > OS: Ubuntu 22.10 x86_64
> > > > > Host: Esprimo Q958
> > > > > Kernel: 5.19.0-32-generic
> > > > > Uptime: 4 mins
> > > > > Packages: 2292 (dpkg), 13 (snap)
> > > > > Shell: bash 5.2.2
> > > > > Resolution: 1920x1080
> > > > > DE: GNOME 43.1
> > > > > WM: Mutter
> > > > > WM Theme: Adwaita
> > > > > Theme: Yaru [GTK2/3]
> > > > > Icons: Yaru [GTK2/3]
> > > > > Terminal: gnome-terminal
> > > > > CPU: Intel i5-8500T (6) @ 3.500GHz
> > > > > GPU: Intel CoffeeLake-S GT2 [UHD Graphics 630]
> > > > > Memory: 2965MiB / 15741MiB
> > > > >
> > > > > > Can you post the output of vainfo command?
> > > > > libva info: VA-API version 1.15.0
> > > > > libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so
> > > > > libva info: Found init function __vaDriverInit_1_14
> > > > > libva info: va_openDriver() returns 0
> > > > > vainfo: VA-API version: 1.15 (libva 2.12.0)
> > > > > vainfo: Driver version: Intel iHD driver for Intel(R) Gen Graphics - 22.4.3 ()
> > > > > vainfo: Supported profile and entrypoints
> > > > > VAProfileMPEG2Simple : VAEntrypointVLD
> > > > > VAProfileMPEG2Main : VAEntrypointVLD
> > > > > VAProfileH264Main : VAEntrypointVLD
> > > > > VAProfileH264Main : VAEntrypointEncSliceLP
> > > > > VAProfileH264High : VAEntrypointVLD
> > > > > VAProfileH264High : VAEntrypointEncSliceLP
> > > > > VAProfileJPEGBaseline : VAEntrypointVLD
> > > > > VAProfileJPEGBaseline : VAEntrypointEncPicture
> > > > > VAProfileH264ConstrainedBaseline: VAEntrypointVLD
> > > > > VAProfileH264ConstrainedBaseline: VAEntrypointEncSliceLP
> > > > > VAProfileVP8Version0_3 : VAEntrypointVLD
> > > > > VAProfileHEVCMain : VAEntrypointVLD
> > > > > VAProfileHEVCMain10 : VAEntrypointVLD
> > > > > VAProfileVP9Profile0 : VAEntrypointVLD
> > > > > VAProfileVP9Profile2 : VAEntrypointVLD
> > > > >
> > > > > Do I need other Hardware?
> > > >
> > > > Oh. I guess you need to install intel-media-va-driver-non-free
> > > >
> > > > Since intel-media-va-driver cuts out all the proprietary internal blobs.
> > > >
> > > > >
> > > > > Regarding the tiling, I didn't understand exactly if it would work
> > > > > with I915_FORMAT_MOD_X_TILED or only with linear ?
> > > >
> > > > For rendering linear is expected to work. Other modifiers depends on other factors.
> > > >
> > > > vmjl
> > > >
> > > >
> > > > >
> > > > > Thanks in advance and Greetings
> > > > > Michael
> > > > >
> > >
>
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