diff options
Diffstat (limited to 'contrib/syslinux/syslinux-4.03/com32/lib/jpeg/decode1.c')
| -rw-r--r-- | contrib/syslinux/syslinux-4.03/com32/lib/jpeg/decode1.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/contrib/syslinux/syslinux-4.03/com32/lib/jpeg/decode1.c b/contrib/syslinux/syslinux-4.03/com32/lib/jpeg/decode1.c deleted file mode 100644 index 554f7f1..0000000 --- a/contrib/syslinux/syslinux-4.03/com32/lib/jpeg/decode1.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * Small jpeg decoder library - * - * Copyright (c) 2006, Luc Saillard <luc@saillard.org> - * All rights reserved. - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * - Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * - * - Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * - Neither the name of the author nor the names of its contributors may be - * used to endorse or promote products derived from this software without - * specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <stdint.h> - -#include "tinyjpeg.h" -#include "tinyjpeg-internal.h" - -/* - * Decode a 1x1 directly in 1 color - */ -static void decode_MCU_1x1_1plane(struct jdec_private *priv) -{ - // Y - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y, 8); - - // Cb - tinyjpeg_process_Huffman_data_unit(priv, cCb); - IDCT(&priv->component_infos[cCb], priv->Cb, 8); - - // Cr - tinyjpeg_process_Huffman_data_unit(priv, cCr); - IDCT(&priv->component_infos[cCr], priv->Cr, 8); -} - - -/* - * Decode a 2x1 - * .-------. - * | 1 | 2 | - * `-------' - */ -static void decode_MCU_2x1_1plane(struct jdec_private *priv) -{ - // Y - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y, 16); - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y+8, 16); - - // Cb - tinyjpeg_process_Huffman_data_unit(priv, cCb); - - // Cr - tinyjpeg_process_Huffman_data_unit(priv, cCr); -} - - -/* - * Decode a 2x2 directly in GREY format (8bits) - * .-------. - * | 1 | 2 | - * |---+---| - * | 3 | 4 | - * `-------' - */ -static void decode_MCU_2x2_1plane(struct jdec_private *priv) -{ - // Y - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y, 16); - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y+8, 16); - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y+64*2, 16); - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y+64*2+8, 16); - - // Cb - tinyjpeg_process_Huffman_data_unit(priv, cCb); - - // Cr - tinyjpeg_process_Huffman_data_unit(priv, cCr); -} - -/* - * Decode a 1x2 mcu - * .---. - * | 1 | - * |---| - * | 2 | - * `---' - */ -static void decode_MCU_1x2_1plane(struct jdec_private *priv) -{ - // Y - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y, 8); - tinyjpeg_process_Huffman_data_unit(priv, cY); - IDCT(&priv->component_infos[cY], priv->Y+64, 8); - - // Cb - tinyjpeg_process_Huffman_data_unit(priv, cCb); - - // Cr - tinyjpeg_process_Huffman_data_unit(priv, cCr); -} - -const decode_MCU_fct tinyjpeg_decode_mcu_1comp_table[4] = { - decode_MCU_1x1_1plane, - decode_MCU_1x2_1plane, - decode_MCU_2x1_1plane, - decode_MCU_2x2_1plane, -}; |