Nvarguscamerasrc - metadata missing when using bufapi-version=true

[pesirnl]

Hi!

I’m trying to get the timestamps from the frames produced by nvarguscamerasrc (I’m on 32.3.1). As described here, I got it working without using bufapi-version=true.

Nvarguscamerasrc Buffer Metadata is missing

Hi, Please try attachment on r32.2.1. It is verified by adding prob callback to the sample static GQuark gst_buffer_metadata_quark = 0; typedef struct AuxBufferData { gint64 frame_num; gint64 timestamp; } AuxData; static GstPadProbeReturn nvargus_src_pad_buffer_probe (GstPad * pad, GstPadProbeInfo * info, gpointer u_data) { AuxData *meta = NULL; GstBuffer *buf = (GstBuffer *) info->data; gst_buffer_metadata_quark = g_quark_from_static_string ("GstBufferMetaData"); meta …

Is it possible to get the timestamps with bufapi-version=true?

Thanks in advance!

[DaneLLL]

Hi,
We will check and evaluate to add the support in future release.

[pesirnl]

I’m trying to synchronize multiple feeds, is there any other way to do that in the mean time?

[DaneLLL]

Hi,
We have checked and think this is customization. The implementation of nvarguscamerasrc is open source in r32.4.2. You may take a look at the source code and customize it to your usecase. Please get the code form
https://developer.nvidia.com/embedded/L4T/r32_Release_v4.2/Sources/T186/public_sources.tbz2

[pesirnl]

That is awesome news! Thanks a lot!

If you don’t mind me asking: are there any plans to open-source the camera server (nvargus-daemon) as well?

[DaneLLL]

Hi,

@pesirnl

are there any plans to open-source the camera server (nvargus-daemon) as well?

We don’t have plan for this.