reqopvisa.blogg.se - Yocto linux ffmpeg

Codec path will output YUV data with different orders.

Preview path will output RGB data with different format.

ISI has two paths (Preview path and Codec path) for the output.

YCbCr422, RGB565, RGB888 and grayscale raw data.

Use H/VSYNC signal for synchronization or EAV/SAV.

The Image Sensor Interface (ISI) connects a CMOS-type image sensor to the processor and provides image capture in various formats from sensor side.

This page is mainly about how to enable and configure the ISI in AT91SAM SoCs for different image sensors.

Q: If the ISI cannot be probed in my board, what should I do?.

Q: How to check the ISI is probed in my board?.Q: How to enable ISI support in SAMA5D3x-EK board?.configure -disable-shared -enable-static -disable-x86asm -prefix=/work1/liaocy/ffmpeg-4.2. #export CPP="aarch64-poky-linux-gcc -E -mcpu=cortex-a53+crypto -mtune=cortex-a53 -sysroot=$SDKTARGETSYSROOT"Įxport CC="aarch64-poky-linux-gcc -sysroot=$SDKTARGETSYSROOT"Įxport CXX="aarch64-poky-linux-g++ -sysroot=$SDKTARGETSYSROOT"Įxport CPP="aarch64-poky-linux-gcc -sysroot=$SDKTARGETSYSROOT" #export CXX="aarch64-poky-linux-g++ -mcpu=cortex-a53+crypto -mtune=cortex-a53 -sysroot=$SDKTARGETSYSROOT" 修改 ffmpeg-4.2.2/tool_chains/environment-setup-aarch64-poky-linux ĬC/CXX/CPP 拿掉-mcpu=cortex-a53+crypto -mtune=cortex-a53 #export CC="aarch64-poky-linux-gcc -mcpu=cortex-a53+crypto -mtune=cortex-a53 -sysroot=$SDKTARGETSYSROOT"

extra-cflags=" -O3 -fasm -Wno-psabi -fno-short-enums -fno-strict-aliasing -finline-limit=300 " \ĥ.

Source $TOP_DIR/tool_chains/environment-setup-aarch64-poky-linux oecore-x86_64-aarch64-toolchain-nodistro.0.sh -yd /worktemp/ffmpeg-4.2.2/tool_chains