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  1. I really have poor experience with libva-v4l2-request library. Maybe you could find useful that Sunxi-Cedrus linux release-2019.03 is a patched version of 5.0.7 kernel release About libva-v4l2-request library, I tried to compile it. And yes I too had to disable version check. And I found that the version from github master was easier to compile (less issues) that the one suggested by the sunxi wiki, which was the release-2019.03
  2. Thank you very much. I missed CONFIG_VIDEO_SUNXI_CEDRUS. After doing the image rebuild I tried the v4l2-request-test. And both MPEG2 and H.264 baseline decoding work fine. Just for reference, with nanopi neo (H3) and 864*480 slices, H.264 I frame is decoded in 6ms and B frames are decoded in less than 2ms. The only issue I found is about video_buffers data arrays utilization. With 16 frames (the default) it seems that only the first frame of 16 is correctly stored in arrays. It seems that arrays with index>0 contain either dirty or no data at all. Need further investigations. But setting frames count to 1 in the preset file, which is currently not a limit because operations are serialized, output data are always stored in buffer [0] and I then can save them to disk file. And the Bunny is displayed in the decoded frames. :-) To make the test the quickest as possible I've sent to file only the Y channel. UV channels are available but I've not not currently checked them.
  3. @drice how did you manage to get /dev/video0 working as required by v4l2-request-test? Without it's impossible to have the buffers source. regards F
  4. Thank you very much for the tip. I built the image without any particular issue and did the boot: Welcome to Ubuntu Bionic with Armbian Linux 5.3.0-rc3-sunxi System load: 0.14 0.24 0.11 Up time: 3 min Memory usage: 14 % of 491MB IP: CPU temp: 42°C Usage of /: 6% of 15G I can start to check if h.264 baseline decoder is working with the current image Regards F
  5. I tried to do same thing some months ago without success working with nanopi neo. I had problems applying the patches (manually derived from https://github.com/bootlin/linux-cedrus [release-2019.03] ) to armbian dev because I'm quite new to armbian and kernel stuff. But recently I noticed that both mainline next and 5.3-rc3 added h.264 decoding (baseline profile): I really cannot manage to point armbian build system to either 5.3-rc3 or next-20190808. I think also that should be important to check (from https://linux-sunxi.org/Sunxi-cedrus): So if anyone could make armbian build system points to either 5.3-rc3 or next-20190808, I think it could work. Any help would be appreciated. BR F
  6. I managed to boot ARMBIAN 5.83 and kernel 5.0.9 patched with cedrus stuff. It has been quite tricky because cedrus march release referred to kernel 5.0.1 and I didn't find any source related to latest kernel to diff and patch. Then I flashed a SD card with full image Armbian_5.83_Nanopineo_Ubuntu_bionic_dev_5.0.9.img I don't know if it's ok because I still have to move to userspace and build the test app. Anyway: what sounds strange to me is that on the target device I still have linux header dev files that seem not patched. For exampe videodev2.h does not contain V4L2_PIX_FMT_H264_SLICE, which clearly appears in the patch I applied. I tried to manually copy on the target nanopi neo the linux-headers-dev-sunxi_5.83_armhf.deb and sudo dpkg -i linux-headers-dev-sunxi_5.83_armhf.deb with no results. Extracting the archive the updated videodev2.h seems to be there. Regards F
  7. Thank you very much for the hint. I'll try it and I'll update the post with results. Regards F.
  8. Thank you for quick reply. I didn't want to build with armbian build system because my final goal is to have sunxi-cedrus 5.0.0 image working on nanopi neo. So I downloaded latest 4.19.36 kernel release and build it to test the my build procedure. I'm not aware of standard patches. Regards F
  9. Hi, I have a nanopi neo SBC and my final goal is to get Sunxi-cedrus 2019.03_Release (patched kernel 5.0.0 release) installed on device to test cedrus driver. Did a manual kernel build and tried to dpkg -i *.deb files on the board but the kernel hangs on boot. I read also but that didn't help me so much So I tried same procedure to replace the armbian standard 4.19.20 kernel with an official mainline 4.19.36 version. I found same exact issue so I think I'm missing something. Please have a quick read at the procedure I followed and put any advice to help me going through. 1) touch default kernel .config to have: - allwinner cpus enabled - VFP enabled (to make armhf output) - ealryprintk enabled 2) after kernel build up, copy to a fresh new armbian install on SD 3 deb files - linux-headers-4.19.36_4.19.36-1_armhf.deb - linux-image-4.19.36_4.19.36-1_armhf.deb - linux-libc-dev_4.19.36-1_armhf.deb 3) dpkg -i *.deb on target SBC 4) working directly on SD on native x86 host pc: - did not modify dtb link wich still points to original dtb-4.19.20 release - created new zImage link to vmlinuz-4.19.36 (it was still pointing to original vmlinuz-4.19.20-sunxi) - modified boot.cmd to: - setenv load_addr "0x46000000" - added earlyprintk=serial,ttyS0,115200 to bootargs - mkimage -C none -A arm -T script -d boot.cmd boot.scr 5) finally booting nanopi neo sbc with updated SD I get kernel hang (both for 4.19.36 and 5.0.0) U-Boot SPL 2018.11-armbian (Feb 08 2019 - 11:04:44 +0100) DRAM: 512 MiB Trying to boot from MMC1 U-Boot 2018.11-armbian (Feb 08 2019 - 11:04:44 +0100) Allwinner Technology CPU: Allwinner H3 (SUN8I 1680) Model: FriendlyARM NanoPi NEO DRAM: 512 MiB MMC: SUNXI SD/MMC: 0, SUNXI SD/MMC: 1 Loading Environment from EXT4... ** File not found /boot/boot.env ** ** Unable to read "/boot/boot.env" from mmc0:1 ** In: serial Out: serial Err: serial Net: phy interface0 Error: ethernet@1c30000 address not set. eth-1: ethernet@1c30000 230454 bytes read in 30 ms (7.3 MiB/s) Unknown command 'bmp' - try 'help' starting USB... USB0: USB EHCI 1.00 USB1: USB OHCI 1.0 USB2: USB EHCI 1.00 USB3: USB OHCI 1.0 scanning bus 0 for devices... 1 USB Device(s) found scanning bus 2 for devices... 1 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found Autoboot in 1 seconds, press <Space> to stop => printenv arch=arm baudrate=115200 board=sunxi board_name=sunxi boot_a_script=load ${devtype} ${devnum}:${distro_bootpart} ${scriptaddr} ${prefix}${script}; source ${scriptaddr} boot_efi_binary=if fdt addr ${fdt_addr_r}; then bootefi bootmgr ${fdt_addr_r};else bootefi bootmgr ${fdtcontroladdr};fi;load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_r} efi/boot/bootarm.efi; if fdt addr ${fdt_addr_r}; then bootefi ${kernel_addr_r} ${fdt_addr_r};else bootefi ${kernel_addr_r} ${fdtcontroladdr};fi boot_extlinux=sysboot ${devtype} ${devnum}:${distro_bootpart} any ${scriptaddr} ${prefix}extlinux/extlinux.conf boot_net_usb_start=usb start boot_prefixes=/ /boot/ boot_script_dhcp=boot.scr.uimg boot_scripts=boot.scr.uimg boot.scr boot_targets=fel mmc_auto usb0 pxe dhcp bootcmd=run distro_bootcmd bootcmd_dhcp=run boot_net_usb_start; if dhcp ${scriptaddr} ${boot_script_dhcp}; then source ${scriptaddr}; fi;setenv efi_fdtfile ${fdtfile}; if test -z "${fdtfile}" -a -n "${soc}"; then setenv efi_fdtfile ${soc}-${board}${boardver}.dtb; fi; setenv efi_old_vci ${bootp_vci};setenv efi_old_arch ${bootp_arch};setenv bootp_vci PXEClient:Arch:00010:UNDI:003000;setenv bootp_arch 0xa;if dhcp ${kernel_addr_r}; then tftpboot ${fdt_addr_r} dtb/${efi_fdtfile};if fdt addr ${fdt_addr_r}; then bootefi ${kernel_addr_r} ${fdt_addr_r}; else bootefi ${kernel_addr_r} ${fdtcontroladdr};fi;fi;setenv bootp_vci ${efi_old_vci};setenv bootp_arch ${efi_old_arch};setenv efi_fdtfile;setenv efi_old_arch;setenv efi_old_vci; bootcmd_fel=if test -n ${fel_booted} && test -n ${fel_scriptaddr}; then echo '(FEL boot)'; source ${fel_scriptaddr}; fi bootcmd_mmc0=setenv devnum 0; run mmc_boot bootcmd_mmc1=setenv devnum 1; run mmc_boot bootcmd_mmc_auto=if test ${mmc_bootdev} -eq 1; then run bootcmd_mmc1; run bootcmd_mmc0; elif test ${mmc_bootdev} -eq 0; then run bootcmd_mmc0; run bootcmd_mmc1; fi bootcmd_pxe=run boot_net_usb_start; dhcp; if pxe get; then pxe boot; fi bootcmd_usb0=setenv devnum 0; run usb_boot bootdelay=1 bootm_size=0xa000000 console=ttyS0,115200 cpu=armv7 dfu_alt_info_ram=kernel ram 0x42000000 0x1000000;fdt ram 0x43000000 0x100000;ramdisk ram 0x43300000 0x4000000 distro_bootcmd=for target in ${boot_targets}; do run bootcmd_${target}; done efi_dtb_prefixes=/ /dtb/ /dtb/current/ fdt_addr_r=0x43000000 fdtcontroladdr=5bf513a0 fdtfile=sun8i-h3-nanopi-neo.dtb fileaddr=66000000 filesize=38436 kernel_addr_r=0x42000000 load_efi_dtb=load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} ${prefix}${efi_fdtfile} loadsplash= for prefix in ${boot_prefixes}; do if test -e mmc 0 ${prefix}boot.bmp; then load mmc 0 ${splashimage} ${prefix}boot.bmp; bmp d ${splashimage}; fi; done mmc_boot=if mmc dev ${devnum}; then setenv devtype mmc; run scan_dev_for_boot_part; fi mmc_bootdev=0 partitions=name=loader1,start=8k,size=32k,uuid=${uuid_gpt_loader1};name=loader2,size=984k,uuid=${uuid_gpt_loader2};name=esp,size=128M,bootable,uuid=${uuid_gpt_esp};name=system,size=-,uuid=${uuid_gpt_system}; preboot=run loadsplash; usb start pxefile_addr_r=0x43200000 ramdisk_addr_r=0x43300000 scan_dev_for_boot=echo Scanning ${devtype} ${devnum}:${distro_bootpart}...; for prefix in ${boot_prefixes}; do run scan_dev_for_extlinux; run scan_dev_for_scripts; done;run scan_dev_for_efi; scan_dev_for_boot_part=part list ${devtype} ${devnum} -bootable devplist; env exists devplist || setenv devplist 1; for distro_bootpart in ${devplist}; do if fstype ${devtype} ${devnum}:${distro_bootpart} bootfstype; then run scan_dev_for_boot; fi; done scan_dev_for_efi=setenv efi_fdtfile ${fdtfile}; if test -z "${fdtfile}" -a -n "${soc}"; then setenv efi_fdtfile ${soc}-${board}${boardver}.dtb; fi; for prefix in ${efi_dtb_prefixes}; do if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}${efi_fdtfile}; then run load_efi_dtb; fi;done;if test -e ${devtype} ${devnum}:${distro_bootpart} efi/boot/bootarm.efi; then echo Found EFI removable media binary efi/boot/bootarm.efi; run boot_efi_binary; echo EFI LOAD FAILED: continuing...; fi; setenv efi_fdtfile scan_dev_for_extlinux=if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}extlinux/extlinux.conf; then echo Found ${prefix}extlinux/extlinux.conf; run boot_extlinux; echo SCRIPT FAILED: continuing...; fi scan_dev_for_scripts=for script in ${boot_scripts}; do if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}${script}; then echo Found U-Boot script ${prefix}${script}; run boot_a_script; echo SCRIPT FAILED: continuing...; fi; done scriptaddr=0x43100000 serial#=02c00081786888cd soc=sunxi splashimage=66000000 splashpos=m,m stderr=serial stdin=serial,usbkbd stdout=serial usb_boot=usb start; if usb dev ${devnum}; then setenv devtype usb; run scan_dev_for_boot_part; fi uuid_gpt_esp=c12a7328-f81f-11d2-ba4b-00a0c93ec93b uuid_gpt_system=69dad710-2ce4-4e3c-b16c-21a1d49abed3 Environment size: 4811/131068 bytes => boot switch to partitions #0, OK mmc0 is current device Scanning mmc 0:1... Found U-Boot script /boot/boot.scr 3830 bytes read in 12 ms (311.5 KiB/s) ## Executing script at 43100000 U-boot loaded from SD Boot script loaded from mmc 230 bytes read in 10 ms (22.5 KiB/s) 28177527 bytes read in 2169 ms (12.4 MiB/s) 6824448 bytes read in 539 ms (12.1 MiB/s) Found mainline kernel configuration 28450 bytes read in 46 ms (603.5 KiB/s) 504 bytes read in 55 ms (8.8 KiB/s) Applying kernel provided DT overlay sun8i-h3-usbhost1.dtbo 504 bytes read in 56 ms (8.8 KiB/s) Applying kernel provided DT overlay sun8i-h3-usbhost2.dtbo 4155 bytes read in 49 ms (82 KiB/s) Applying kernel provided DT fixup script (sun8i-h3-fixup.scr) ## Executing script at 46000000 ## Loading init Ramdisk from Legacy Image at 43300000 ... Image Name: uInitrd Image Type: ARM Linux RAMDisk Image (gzip compressed) Data Size: 28177463 Bytes = 26.9 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 43000000 Booting using the fdt blob at 0x43000000 EHCI failed to shut down host controller. EHCI failed to shut down host controller. Loading Ramdisk to 48520000, end 49fff437 ... OK reserving fdt memory region: addr=43000000 size=6d000 Loading Device Tree to 484b0000, end 4851ffff ... OK Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.19.36 (filippo@filippo) (gcc version 7.3.0 (Ubuntu/Linaro 7.3.0-27ubuntu1~18.04)) #1 SMP Mon Apr 22 09:24:25 CEST 2019 [ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: FriendlyARM NanoPi NEO [ 0.000000] bootconsole [earlycon0] enabled This is the point where boot hangs Thanks F