图像硬件转换

wangyx

如题，在gstreamer场景中使用videoconvert转换图像效率太低，希望使用rga转换，但是使用RGA功能时会报以下的错误，是否驱动或者用户空间库需要对齐下

$ gst-launch-1.0 v4l2src device=/dev/video11 ! video/x-raw, width=1280,height=720,framerate=15/1,format=NV12 ! videoconvert ! video/x-raw, format=RGB ! mpph264enc ! filesink location=out1.h264
Setting pipeline to PAUSED ...
Using mplane plugin for capture
libv4l2: error getting pixformat: Invalid argument
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
rga_api version 1.10.0_[2]
 RgaBlit(1451) RGA_BLIT fail: Invalid argument
 RgaBlit(1452) RGA_BLIT fail: Invalid argument
handl-fd-vir-phy-hnd-format[0, 26, (nil), (nil), 0, 0]
rect[0, 0, 1280, 720, 3840, 720, 512, 0]
f-blend-size-rotation-col-log-mmu[0, 0, 0, 0, 0, 0, 1]
handl-fd-vir-phy-hnd-format[0, 30, (nil), (nil), 0, 0]
rect[0, 0, 1280, 720, 1280, 720, 2560, 0]
f-blend-size-rotation-col-log-mmu[0, 0, 0, 0, 0, 0, 1]
This output the user parameters when rga call blit fail
ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Internal data stream error.
Additional debug info:
gstbasesrc.c(3072): gst_base_src_loop (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
streaming stopped, reason not-negotiated (-4)
Execution ended after 0:00:00.149564903
Setting pipeline to NULL ...
Freeing pipeline ...

george

@wangyx
参考如下文档有格式和对齐要求：
https://github.com/airockchip/librga