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Kwiboo / linux-rockchip

Linux kernel for Rockchip SoC
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RK3328 : MPP MPEG2 decoder doesn't seem to work. #26

Closed LongChair closed 4 years ago

LongChair commented 7 years ago

We have used successfully H264 / H265 / MPEG4 / VP8 / VP9 with MPP, but it seems that MPEG2 decoding is having some issues.

We are getting error messages during the decoding :

mpp_device: mpp_device_wait_reg ioctl VPU_IOC_GET_REG failed ret -1 errno 110 Connection timed out
hal_m2vd_reg: mpp_device_wait_reg return error:110
m2vd_parser: [m2v]: (ref_frame_cnt[1] < 2) && (frame_cur->picCodingType[3] == B_TYPE)

I tested it with several MPEG2 files and always have the same result.

@wzyy2 gave a try to it with gstreamer as well and seems to have found similar issue. The tested sample file below is known to be working as a test sample for Kodi.

You can find it here : https://drive.google.com/file/d/0BwxFVkl63-lETXlOa3hEMmVyZGM/view?usp=sharing (http://kodi.wiki/view/Samples , section 3, File #12)

@yanghanxing : if you could have this checked it would be nice, MPEG2 is interesting for Live TV playback.

smp79 commented 7 years ago

Does VC-1 decoding work?