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authorNaushir Patuck <naush@raspberrypi.com>2023-05-23 12:03:37 +0100
committerNaushir Patuck <naush@raspberrypi.com>2023-11-15 09:17:35 +0000
commit99b177b3e5a50093f664eacd6b09576d17a7e64d (patch)
treefe7571c42affac48c5832439d24f4dbda762873a /src/v4l2
parent9cde63a7521613b424dd17f30d1929fe6b9d91de (diff)
RASPBERRYPI ONLY: Handle mandatory stream flags
Look for the RAW mandatory stream flag in the pipeline handler config file. If this flag is set, it guarantees that the application will provide buffers for Unicam Image, so override the minUnicamBuffers and minTotalUnicamBuffers config parameters in the following way: - If startup drop frames are required, allocate at least 1 internal buffer. - If no startup drop frames are required, do not allocate any internal buffers. Look for the Output 0 mandatory stream flag in in the pipeline handler config file. If this flag is set, it guarantees that the application will provide buffers for the ISP, do not allocate any internal buffers for the device. Add a new rpi_apps.yaml pipeline handler config file that enables both these flags. To use the file, set the following env variable for a custom build: export LIBCAMERA_RPI_CONFIG_FILE=/usr/local/share/libcamera/pipeline/rpi/vc4/rpi_apps.yaml or for a packaged install: export LIBCAMERA_RPI_CONFIG_FILE=/usr/share/libcamera/pipeline/rpi/vc4/rpi_apps.yaml Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
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