TI工程师好,
麻烦问一下,我用dm368做解码器,dm368解码输出支持数字RGB吗?如果支持,如何配置?
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你好,
请问你是解码什么?视频?什么格式? 解码后是在DM36x上用LCD接口输出显示么?为什么需要RGBs输出?
我们遇到的问题是
我们目前遇到的问题:直接执行/usr/share/ti/dvsdk-demos的decode报错:
root@dm368-evm:/usr/share/ti/dvsdk-demos# ./decode -v /usr/share/ti/data/videos/davincieffect.264 -y 5
Decode demo started.
Error: Failed to get attribute window buffer
ARM Load: 2% Video fps: 3 fps Video bit rate: 34 kbps Sound bit rate: 0 kbps Time: 00:00:01 Demo: Decode Display: 1080I 30Hz Video Codec: H.264 HP Video Resolution: 1280x720 Sound Codec: N/A Sampling Freq: N/A
ARM Load: 2% Video fps: 0 fps Video bit rate: 0 kbps Sound bit rate: 0 kbps Time: 00:00:02 Demo: Decode Display: 1080I 30Hz Video Codec: H.264 HP Video Resolution: 1280x720 Sound Codec: N/A Sampling Freq: N/A
ARM Load: 0% Video fps: 0 fps Video bit rate: 0 kbps Sound bit rate: 0 kbps Time: 00:00:03 Demo: Decode Display: 1080I 30Hz Video Codec: H.264 HP Video Resolution: 1280x720 Sound Codec: N/A Sampling Freq: N/A
ARM Load: 1% Video fps: 0 fps Video bit rate: 0 kbps Sound bit rate: 0 kbps Time: 00:00:04 Demo: Decode Display: 1080I 30Hz Video Codec: H.264 HP Video Resolution: 1280x720 Sound Codec: N/A Sampling Freq: N/A
一般来说,直接执行TI的Demo,应该能够执行成功而没有输出显示,但现在直接使用TI的Demo也不对,通过调试分析TI的代码,在display.c->Display_get->Display_v4l2_get->ioctl(hDisplay->fd, VIDIOC_DQBUF, &v4l2buf)时卡死没有返回(内核卡死在stream_next_buffer->videobuf_waiton)
麻烦问一下,这个可能的原因是什么
你好,
你有修改过OSD相关的驱动软件么?下面的错误是和OSD窗口有关的。
Error: Failed to get attribute window buffer