44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/*----------------------------------------------*/
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/* TJpgDec System Configurations R0.03 */
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/*----------------------------------------------*/
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#define JD_SZBUF 512
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/* Specifies size of stream input buffer */
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#define JD_FORMAT 1
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/* Specifies output pixel format.
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/ 0: RGB888 (24-bit/pix)
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/ 1: RGB565 (16-bit/pix)
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/ 2: Grayscale (8-bit/pix)
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*/
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#define JD_USE_SCALE 1
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/* Switches output descaling feature.
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/ 0: Disable
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/ 1: Enable
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*/
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#define JD_TBLCLIP 0
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/* Use table conversion for saturation arithmetic. A bit faster, but increases 1 KB of code size.
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/ 0: Disable
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/ 1: Enable
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*/
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#define JD_FASTDECODE 1
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/* Optimization level
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/ 0: Basic optimization. Suitable for 8/16-bit MCUs.
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/ Workspace of 3100 bytes needed.
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/ 1: + 32-bit barrel shifter. Suitable for 32-bit MCUs.
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/ Workspace of 3480 bytes needed.
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/ 2: + Table conversion for huffman decoding (wants 6 << HUFF_BIT bytes of RAM).
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/ Workspace of 9644 bytes needed.
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*/
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// Do not change this, it is the minimum size in bytes of the workspace needed by the decoder
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#if JD_FASTDECODE == 0
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#define TJPGD_WORKSPACE_SIZE 3100
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#elif JD_FASTDECODE == 1
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#define TJPGD_WORKSPACE_SIZE 3500
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#elif JD_FASTDECODE == 2
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#define TJPGD_WORKSPACE_SIZE (3500 + 6144)
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#endif |