paimon-python/pypaimon/tests/video_frame_index_utils.py

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#
#   http://www.apache.org/licenses/LICENSE-2.0
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import bisect

from pypaimon.multimodal.mp4 import ContainerFrameIndex


class FrameIndex:
    def __init__(self, metadata_ranges, keyframes):
        self.metadata_ranges = tuple(metadata_ranges)
        self.keyframes = tuple(keyframes)

    @staticmethod
    def inspect(source, length):
        return ContainerFrameIndex(source, length)

    def preceding(self, ordinal):
        return bisect.bisect_right(self.keyframes, (ordinal, float("inf"), float("inf"))) - 1

    def close(self):
        pass