Re: [RFC 0/5] arm64: imx8mm: Enable Hantro VPUs

[Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>]

Hi Tim,

On Mon, 29 Nov 2021 at 16:36, Tim Harvey <tharvey@gateworks.com> wrote:
>
> On Mon, Nov 29, 2021 at 10:59 AM Adam Ford <aford173@gmail.com> wrote:
..
> >
>
> Adam,
>
> What deps did you install in order to get v4l2codecs building? I
> installed libgudev-1.0-dev based on Nicolas' suggestion and rebuilt
> (not sure if I needed to re-configure somehow) but there is still
> nothing in build/subprojects/gst-plugins-bad/sys/v4l2codecs/. A 'meson
> configure' tells me that v4l2codecs is set to 'auto' but I'm not sure
> how to find out what dependencies are needed or what may be missing.
>

At least in my case (Centps-derivative), this is what I've done:

...
gst-plugins-bad| Run-time dependency gudev-1.0 found: NO (tried
pkgconfig and cmake)

Installed gudev ... and then:

...
gst-plugins-bad| Dependency gudev-1.0 found: YES 232 (cached)
...
gst-plugins-bad 1.19.3.1

    Plugins               : accurip, adpcmdec, adpcmenc, aiff, asfmux,
audiobuffersplit, audiofxbad, audiomixmatrix, audiolatency,
audiovisualizers, autoconvert, bayer,
                            camerabin, codecalpha, coloreffects,
debugutilsbad, dvbsubenc, dvbsuboverlay, dvdspu, faceoverlay,
festival, fieldanalysis, freeverb, frei0r,
                            gaudieffects, gdp, geometrictransform,
id3tag, inter, interlace, ivfparse, ivtc, jp2kdecimator, jpegformat,
rfbsrc, midi, mpegpsdemux,
                            mpegpsmux, mpegtsdemux, mpegtsmux, mxf,
netsim, rtponvif, pcapparse, pnm, proxy, legacyrawparse,
removesilence, rist, rtmp2, rtpmanagerbad,
                            sdpelem, segmentclip, siren, smooth,
speed, subenc, switchbin, timecode, transcode, videofiltersbad,
videoframe_audiolevel, videoparsersbad,
                            videosignal, vmnc, y4mdec, decklink, dvb,
fbdevsink, ipcpipeline, nvcodec, shm, v4l2codecs, hls, sctp

GStreamer current master build fails. It's a known issue which will be
fixed today:

[...]
[8/9] Compiling C object
subprojects/gst-plugins-bad/sys/v4l2codecs/libgstv4l2codecs.so.p/gstv4l2codecvp9dec.c.o
FAILED: subprojects/gst-plugins-bad/sys/v4l2codecs/libgstv4l2codecs.so.p/gstv4l2codecvp9dec.c.o
cc -Isubprojects/gst-plugins-bad/sys/v4l2codecs/libgstv4l2codecs.so.p
-Isubprojects/gst-plugins-bad/sys/v4l2codecs
-I../subprojects/gst-plugins-bad/sys/v4l2codecs
-Isubprojects/gst-plugins-bad -I../subprojects/gst-plugins-bad
-Isubprojects/gstreamer/libs -I../subprojects/gstreamer/libs
-Isubprojects/gstreamer -I../subprojects/gstreamer
-Isubprojects/gst-plugins-bad/gst-libs
-I../subprojects/gst-plugins-bad/gst-libs
-Isubprojects/gst-plugins-base/gst-libs
-I../subprojects/gst-plugins-base/gst-libs -Isubprojects/orc
-I../subprojects/orc -Isubprojects/gstreamer/gst
-Isubprojects/gst-plugins-base/gst-libs/gst/video
-Isubprojects/gst-plugins-base/gst-libs/gst/pbutils
-Isubprojects/gst-plugins-base/gst-libs/gst/audio
-Isubprojects/gst-plugins-base/gst-libs/gst/tag
-I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
-I/usr/include/gudev-1.0 -fdiagnostics-color=always
-D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -O2 -g -fvisibility=hidden
-fno-strict-aliasing -DG_DISABLE_DEPRECATED -Wmissing-prototypes
-Wdeclaration-after-statement -Wold-style-definition
-Wmissing-declarations -Wredundant-decls -Wwrite-strings -Wformat
-Wformat-security -Winit-self -Wmissing-include-dirs -Waddress
-Wno-multichar -Wvla -Wpointer-arith -fPIC -pthread -DHAVE_CONFIG_H
-MD -MQ subprojects/gst-plugins-bad/sys/v4l2codecs/libgstv4l2codecs.so.p/gstv4l2codecvp9dec.c.o
-MF subprojects/gst-plugins-bad/sys/v4l2codecs/libgstv4l2codecs.so.p/gstv4l2codecvp9dec.c.o.d
-o subprojects/gst-plugins-bad/sys/v4l2codecs/libgstv4l2codecs.so.p/gstv4l2codecvp9dec.c.o
-c ../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c
../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c:92:3:
error: unknown type name ‘grefcount’
   grefcount ref_count;
   ^~~~~~~~~
../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c: In
function ‘gst_v4l2_codec_vp9_dec_picture_data_new’:
../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c:106:3:
warning: implicit declaration of function ‘g_ref_count_init’; did you
mean ‘g_cond_init’? [-Wimplicit-function-declaration]
   g_ref_count_init (&pic_data->ref_count);
   ^~~~~~~~~~~~~~~~
   g_cond_init
../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c: In
function ‘gst_v4l2_codec_vp9_dec_picture_data_ref’:
../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c:118:3:
warning: implicit declaration of function ‘g_ref_count_inc’; did you
mean ‘g_strv_contains’? [-Wimplicit-function-declaration]
   g_ref_count_inc (&data->ref_count);
   ^~~~~~~~~~~~~~~
   g_strv_contains
../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c: In
function ‘gst_v4l2_codec_vp9_dec_picture_data_unref’:
../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c:125:7:
warning: implicit declaration of function ‘g_ref_count_dec’
[-Wimplicit-function-declaration]
   if (g_ref_count_dec (&data->ref_count)) {
       ^~~~~~~~~~~~~~~
ninja: build stopped: subcommand failed.

Hope this helps get you started!
Ezequiel

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