How can i modify "video_dec_drm.cpp" to display 6 camera video

the tegra_multimedia_api only “video_dec_drm.cpp” show the drm,the “ui_render_loop_fcn” use createDumbFB api to render jpeg,
how can i modify “video_dec_drm.cpp” to display 6 camera yuv raw data through dmabuf fd ?

Hi,
You can refer to 12_camera_v4l2_cuda to implement 6-source capture, and call NvBuffer composite() to composite sources to single video plane for rendering.