I'm not sure how to change the tag but this is some tests against the binaries using V4L2 M2M.
ls /lib/firmware/meson/vdec/ -al total 320 drwxr-xr-x 1 root root 406 Sep 3 14:20 . drwxr-xr-x 1 root root 8 Aug 23 18:36 .. -rw-r--r-- 1 root root 36864 Aug 31 11:11 g12a_h264.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 g12a_hevc_mmu.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 g12a_vp9.bin -rw-r--r-- 1 root root 36864 Aug 31 11:11 gxbb_h264.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_h263.bin -rw-r--r-- 1 root root 36864 Aug 31 11:11 gxl_h264.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_hevc.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_hevc_mmu.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_mjpeg.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_mpeg12.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_mpeg4_5.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_vp9.bin -rw-r--r-- 1 root root 36864 Aug 31 11:11 gxm_h264.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 sm1_hevc_mmu.bin -rw-r--r-- 1 root root 16384 Aug 31 11:11 sm1_vp9_mmu.bin
gst123 --verbose vp9_fhd.webm
Playing file:///root/ltt/asset/vp9_fhd.webm
gstreamer pipeline contains: GstPlayBin ( GstPlaySink ( GstStreamSynchronizer GstBin ( GstVideoConvert GstDeinterlace ) GstBin ( GstGLImageSinkBin ( GstGLUploadElement GstGLColorConvertElement GstGLColorBalance GstGLImageSink ) GstQueue GstPlaySinkVideoConvert ( GstIdentity GstVideoConvert GstVideoScale ) ) ) GstURIDecodeBin ( GstFileSrc GstDecodeBin ( GstTypeFindElement GstMatroskaDemux GstMultiQueue GstVp9Parse GstCapsFilter v4l2vp9dec ) ) GstInputSelector )
gst123 --verbose TheaterSquare_1920x1080.mp4
Playing file:///root/ltt/asset/TheaterSquare_1920x1080.mp4
gstreamer pipeline contains: GstPlayBin ( GstPlaySink ( GstStreamSynchronizer GstBin ( GstVideoConvert GstDeinterlace ) GstBin ( GstGLImageSinkBin ( GstGLUploadElement GstGLColorConvertElement GstGLColorBalance GstGLImageSink ) GstQueue GstPlaySinkVideoConvert ( GstIdentity GstVideoConvert GstVideoScale ) ) ) GstURIDecodeBin ( GstFileSrc GstDecodeBin ( GstTypeFindElement GstQTDemux GstMultiQueue GstH264Parse GstCapsFilter v4l2h264dec ) ) GstInputSelector ) Time: 0:00:00.29 of 0:00:09.99 | Bitrate: 15461.3 kbit/sec
I'm not sure how to change the tag but this is some tests against the binaries using V4L2 M2M.
ls /lib/firmware/ meson/vdec/ -al
total 320
drwxr-xr-x 1 root root 406 Sep 3 14:20 .
drwxr-xr-x 1 root root 8 Aug 23 18:36 ..
-rw-r--r-- 1 root root 36864 Aug 31 11:11 g12a_h264.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 g12a_hevc_mmu.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 g12a_vp9.bin
-rw-r--r-- 1 root root 36864 Aug 31 11:11 gxbb_h264.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_h263.bin
-rw-r--r-- 1 root root 36864 Aug 31 11:11 gxl_h264.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_hevc.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_hevc_mmu.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_mjpeg.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_mpeg12.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_mpeg4_5.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 gxl_vp9.bin
-rw-r--r-- 1 root root 36864 Aug 31 11:11 gxm_h264.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 sm1_hevc_mmu.bin
-rw-r--r-- 1 root root 16384 Aug 31 11:11 sm1_vp9_mmu.bin
gst123 --verbose vp9_fhd.webm
Playing file:// /root/ltt/ asset/vp9_ fhd.webm
gstreamer pipeline contains: GstPlayBin ( GstPlaySink ( GstStreamSynchr onizer GstBin ( GstVideoConvert GstDeinterlace ) GstBin ( GstGLImageSinkBin ( GstGLUploadElement GstGLColorConve rtElement GstGLColorBalance GstGLImageSink ) GstQueue GstPlaySinkVide oConvert ( GstIdentity GstVideoConvert GstVideoScale ) ) ) GstURIDecodeBin ( GstFileSrc GstDecodeBin ( GstTypeFindElement GstMatroskaDemux GstMultiQueue GstVp9Parse GstCapsFilter v4l2vp9dec ) ) GstInputSelector )
gst123 --verbose TheaterSquare_ 1920x1080. mp4
Playing file:// /root/ltt/ asset/TheaterSq uare_1920x1080. mp4
gstreamer pipeline contains: GstPlayBin ( GstPlaySink ( GstStreamSynchr onizer GstBin ( GstVideoConvert GstDeinterlace ) GstBin ( GstGLImageSinkBin ( GstGLUploadElement GstGLColorConve rtElement GstGLColorBalance GstGLImageSink ) GstQueue GstPlaySinkVide oConvert ( GstIdentity GstVideoConvert GstVideoScale ) ) ) GstURIDecodeBin ( GstFileSrc GstDecodeBin ( GstTypeFindElement GstQTDemux GstMultiQueue GstH264Parse GstCapsFilter v4l2h264dec ) ) GstInputSelector )
Time: 0:00:00.29 of 0:00:09.99 | Bitrate: 15461.3 kbit/sec