该开发流程对应的 DEMO 示例为rkmedia_vi_get_frame_test.c 说明:设备输入保存至文件。演示VI没有Bind时如何取视频流。 快速使用: #从摄像头节点 rkispp_scale0 抓取 10 帧图片并保存为 1080p.nv12 文件./rkmedia_vi_get_frame_test-a/oem/etc/iqfiles/-w1920-h1080-drkispp_scale0-o/tmp/1080p.nv1...
1、输入节点是video0, 目前的经验得出video0是不支持DMA申请内存 2、rkmedia的DMA内存是去通过DRM去申请的,所以有些无屏设备在设备树中把display_subsystem节点禁用了,所以需要开启。 &display_subsystem { status = "okay"; }; 常用VI查看信息的命令: media-ctl -p -d /dev/media3 //用来查看media节点的拓...
RK_S32 RK_MPI_SYS_SendMediaBuffer(MOD_ID_E enModID, RK_S32 s32ChnID, MEDIA_BUFFER buffer); # enModID 为模块号; s32ChnID 为通道号; buffer 为缓冲区。 常用向指定通道获取数据函数如下: MEDIA_BUFFER RK_MPI_SYS_GetMediaBuffer(MOD_ID_E enModID, RK_S32 s32ChnID, RK_S32 s32MilliSec)...
2、检查新的media节点所对应的video号,使用media-ctl -p -d 查看 [root@RV1126_RV1109:/userdata]# ls /dev/media media0 media1 media2 media3 [root@RV1126_RV1109:/userdata]# media-ctl -p -d /dev/media3 Media controller API version 4.19.111 Media device information --- driver rkispp mod...
在RKMedia中,还有一些专用的名词,如VI(视频采集通道)、VENC(视频编码)、VDEC(视频解码)、AI(音频采集)、AO(音频输出)、AENC(音频编码)、ADEC(音频解码)和MD(移动侦测)。通过RKMedia,开发者可以方便地进行音视频处理和应用开发。 rkmedia视频采集、编码、推流相关函数简介...
先说简单的,如何重启状态栏:首先状态栏是属于framework的东西。所以用sdk是无法重启状态栏的,权限不够,需要share-userId。 Step1:确认下statusBarService的xml文件,export=true?如果是false,那么要改成true,否则也不能重启状态栏。 Location:/media/Work1/i1800_0214/alps/frameworks/base/packages/SystemUI ...
Learn How we Work Ryan King Ryan began his advertising sales career in the newspaper business at the Chicago Sun-Times in 2000. Since then, he has worked at the Chicago Tribune and Chicago Magazine before founding RK Media in 2006. Ryan manages RK Media’s Publisher relationships along with ...
For Armbian + mediascript, you must first set the necessary settings in the system (if the system supports them, not all settings are possible in Armbian) and then switch to KODI. In Armbian, the KODI application is limited in setting different hardware settings, it uses system settings. ...
since you're currently working on getting the Media Framework to work based on the mainline kernel and asssuming that this HDR issue is, at least in part, due to something missing from the kernel, whether it might be better to troubleshoot this in the mainline version of the Media Framewor...
enWorkMode = VI_WORK_MODE_NORMAL; ret = RK_MPI_VI_SetChnAttr(0, 1, &vi_chn_attr); ret |= RK_MPI_VI_EnableChn(0, 1); if (ret) { printf("TEST: ERROR: Create vi[0] error! code:%d\n", ret); return -1; } VENC_CHN_ATTR_S venc_chn_attr; venc_chn_attr....