va: caps: Make the template raw video caps classified by features.
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The migration is almost done, at least the rest should happen in the background. There are still a few technical difference between the old cluster and the new ones, and they are summarized in this issue. Please pay attention to the TL:DR at the end of the comment.
The current output of raw video caps is not good. When we have multi profiles and each profile support different formats, the output of gst-inspect may like:
SRC template: 'src'
Availability: Always
Capabilities:
video/x-raw(memory:VAMemory)
width: [ 1, 16384 ]
height: [ 1, 16384 ]
format: NV12
video/x-raw
width: [ 1, 16384 ]
height: [ 1, 16384 ]
format: NV12
video/x-raw(memory:VAMemory)
width: [ 1, 16384 ]
height: [ 1, 16384 ]
format: P010_10LE
video/x-raw
width: [ 1, 16384 ]
height: [ 1, 16384 ]
format: P010_10LE
video/x-raw(memory:VAMemory)
width: [ 1, 16384 ]
height: [ 1, 16384 ]
format: P012_LE
video/x-raw
width: [ 1, 16384 ]
height: [ 1, 16384 ]
format: P012_LEThe gst_caps_simplify does not classify the caps by same features, but just leave them interweaved. We need to handle them manually here, the result should be:
SRC template: 'src'
Availability: Always
Capabilities:
video/x-raw
width: [ 1, 16384 ]
height: [ 1, 16384 ]
format: { (string)P010_10LE, (string)P012_LE, (string)NV12 }
video/x-raw(memory:VAMemory)
width: [ 1, 16384 ]
height: [ 1, 16384 ]
format: { (string)P010_10LE, (string)P012_LE, (string)NV12 }