OMX_GetParameter OMX_IndexParamVideoBitrate set zeros version, size, port

[xlazom00]

OMX_VIDEO_PARAM_BITRATETYPE bitrate_param;

GST_OMX_INIT_STRUCT (&bitrate_param); // set up to init values
bitrate_param.nPortIndex = self->enc_out_port->index;

OMX_ERRORTYPE err;
err = OMX_GetParameter (self->enc->handle, OMX_IndexParamVideoBitrate, &bitrate_param);

OMX_GetParameter return zero in version, size, port
It should return same port I setup up before OMX_GetParameter
right version and size

some frameworks like gst-omx use get/set mechanism for initialization

[sdroege]

And if getting that parameter is not supported the corresponding error should be returned

[popcornmix]

Getting this parameter is supported (by video_encode). OpenMax guy says this does work in general.
Can you provide an example that shows the problem (e.g. by editing hello_encode example).
Is an error response set?

[xlazom00]

OMX_VIDEO_PARAM_BITRATETYPE bitrate_param;

// set up to init values like version, size , port,...
bitrate_param.nSize = sizeof(OMX_VIDEO_PARAM_PORTFORMATTYPE);
bitrate_param.nVersion.nVersion = OMX_VERSION;
GST_OMX_INIT_STRUCT (&bitrate_param);
bitrate_param.nPortIndex = 201;

But after this
OMX_GetParameter (self->enc->handle, OMX_IndexParamVideoBitrate, &bitrate_param);

all values in bitrate_param looks like after
memset(&bitrateType, 0, sizeof(OMX_VIDEO_PARAM_BITRATETYPE));

nSize == 0 nVersion ==0 , nPortIndex == 0,....
OMX accept values but zero buffer.

[popcornmix]

@xlazom00
You've just repeated your first message. Can you produce a self contained example that exhibit your problem.
It should be possible to trivially modify hello_encode to do this.

[xlazom00]

http://live.mdragon.org/encode.c

[popcornmix]

@xlazom00
Thanks, I'll pass it on.

[popcornmix]

Confirmed. A bug report is opened in our jira bugtracker.

[Ruffio]

@popcornmix has this been resolved in the jira bugtracker?

[popcornmix]

Pretty sure this has been fixed. @xlazom00 can you still reproduce this?

[6by9]

Just looking at the source and I don't think this is fixed.
nSize an nVersion aren't set by default in the component, and getParameter copies port->video_bitrate in its entirety, so returns 0 for those fields. Two line patch required I think - @popcornmix I'll ping it through to you.

[popcornmix]

I've added @6by9's patch in latest rpi-update - does that help?

[JamesH65]

Can this be closed as fixed?

[JamesH65]

@6by9 This appears to be fixed?

[6by9]

AFAIK It's fixed. Confirmation would have been nice from the OP, but may as well close after all this time.