gstreamer/tests/validate/videorate/change_rate_while_playing.validatetest

meta,
    args = {
        # We just want each frame to be different, and we just check their content by 'id'
        "videotestsrc ! video/x-raw,format=I420,framerate=10/1,width=320,height=240 ! videorate name=videorate ! fakesink sync=true qos=true",
    },
    configs = {
        # Check dataflow on both videorate pads
        "$(validateflow), pad=videorate:sink, buffers-checksum=as-id, ignored-event-types={ tag }",
        "$(validateflow), pad=videorate:src, buffers-checksum=as-id, ignored-event-types={ tag }",
    }

# Crank the 5 first buffers and check position is `5*(1/10fps)) = 0.5s`
crank-clock, expected-time=0.0
crank-clock, repeat=5
check-position, expected-position=0.5

# Ensure next buffer flows for expectations stability
wait, on-clock=true

checkpoint, text="Setting videorate.rate=0.5"
set-property, playback-time=0.5, target-element-name=videorate, property-name=rate, property-value="0.5"
crank-clock, repeat=5
check-position, expected-position=1.0

wait, on-clock=true

checkpoint, text="Setting videorate.rate=0.1"
set-property, playback-time=1.0, target-element-name=videorate, property-name=rate, property-value="0.1"
crank-clock, repeat=20
check-position, expected-position=3.0

wait, on-clock=true

checkpoint, text="Setting videorate.rate=2.0"
set-property, playback-time=2.0, target-element-name=videorate, property-name=rate, property-value="2.0"
crank-clock, repeat=10
check-position, expected-position=4.0

wait, on-clock=true
stop