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34 lines
1.6 KiB
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34 lines
1.6 KiB
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.. meta::
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:description: rocJPEG environment variables
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:keywords: rocJPEG, environment variables, ROCm, AMD
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********************************************************************
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rocJPEG environment variables
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********************************************************************
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The following environment variables affect the rocJPEG runtime.
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.. list-table::
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:header-rows: 1
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:widths: 28 72
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* - Environment variable
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- Values
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* - ``HIP_VISIBLE_DEVICES``
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- | Comma-separated list of GPU indices. Parsed when ``ROCR_VISIBLE_DEVICES`` isn't set.
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* - ``ROCJPEG_ENABLE_VCN_HW_CSC``
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- | ``1``: Enables hardware color-space conversion when there are eight or more JPEG cores and RGB or RGB planar output is in use.
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| Hardware color-space conversion is off by default regardless of the number of cores.
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| Not used for ``CSS_440`` (4:4:0) chroma subsampling even when enabled.
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* - ``ROCJPEG_LOG_LEVEL``
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- | Sets the maximum severity of log messages. Each level defines the maximum severity of log messages to output.
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| ``0``: Output critical messages only (default)
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| ``1``: Output critical and error messages
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| ``2``: Output critical, error, and warning messages
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| ``3``: Output critical, error, warning, and info messages
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| ``4``: Output critical, error, warning, info, and debug messages
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* - ``ROCR_VISIBLE_DEVICES``
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- | Takes a comma-separated list of GPU indices.
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| When set, the VAAPI decoder path parses this list before it falls back to ``HIP_VISIBLE_DEVICES``.
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