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-rw-r--r--libjpegtwrp/jidctvenum.c229
1 files changed, 0 insertions, 229 deletions
diff --git a/libjpegtwrp/jidctvenum.c b/libjpegtwrp/jidctvenum.c
deleted file mode 100644
index f458bb565..000000000
--- a/libjpegtwrp/jidctvenum.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * jidctvenum.c
- *
- * Copyright (c) 2010, Code Aurora Forum. 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 Code Aurora Forum, Inc. 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 "AS IS" AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
- * 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.
- */
-
-#define JPEG_INTERNALS
-#include "jinclude.h"
-#include "jpeglib.h"
-#include "jdct.h" /* Private declarations for DCT subsystem */
-
-#ifdef ANDROID_JPEG_USE_VENUM
-/*
- * This module is specialized to the case DCTSIZE = 8.
- */
-#if DCTSIZE != 8
- Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */
-#endif
-
-/* Dequantize a coefficient by multiplying it by the multiplier-table
- * entry; produce an int result. In this module, both inputs and result
- * are 16 bits or less, so either int or short multiply will work.
- */
-
-#define DEQUANTIZE(coef,quantval) ((coef) * ((INT16)quantval))
-
-GLOBAL(void)
-jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block,
- JSAMPARRAY output_buf, JDIMENSION output_col)
-{
- ISLOW_MULT_TYPE * quantptr;
- JCOEFPTR coefptr;
- int ctr;
-
- /* idct_out temp buffer is needed because output_buf sample allocation is 8 bits,
- * while IDCT output expects 16 bits.
- */
- INT16 idct_out[DCTSIZE2]; /* buffers data between passes */
- JSAMPROW outptr;
- INT16* idctptr;
-
- coefptr = coef_block;
- quantptr = (ISLOW_MULT_TYPE *) compptr->dct_table;
-
- /* Dequantize the coeff buffer and write it back to the same location */
- for (ctr = DCTSIZE; ctr > 0; ctr--) {
- coefptr[0] = DEQUANTIZE(coefptr[0] , quantptr[0] );
- coefptr[DCTSIZE*1] = DEQUANTIZE(coefptr[DCTSIZE*1], quantptr[DCTSIZE*1]);
- coefptr[DCTSIZE*2] = DEQUANTIZE(coefptr[DCTSIZE*2], quantptr[DCTSIZE*2]);
- coefptr[DCTSIZE*3] = DEQUANTIZE(coefptr[DCTSIZE*3], quantptr[DCTSIZE*3]);
- coefptr[DCTSIZE*4] = DEQUANTIZE(coefptr[DCTSIZE*4], quantptr[DCTSIZE*4]);
- coefptr[DCTSIZE*5] = DEQUANTIZE(coefptr[DCTSIZE*5], quantptr[DCTSIZE*5]);
- coefptr[DCTSIZE*6] = DEQUANTIZE(coefptr[DCTSIZE*6], quantptr[DCTSIZE*6]);
- coefptr[DCTSIZE*7] = DEQUANTIZE(coefptr[DCTSIZE*7], quantptr[DCTSIZE*7]);
-
- /* advance pointers to next column */
- quantptr++;
- coefptr++;
- }
-
- idct_8x8_venum((INT16*)coef_block,
- (INT16*)idct_out,
- DCTSIZE * sizeof(INT16));
-
- idctptr = idct_out;
- for (ctr = 0; ctr < DCTSIZE; ctr++) {
- outptr = output_buf[ctr] + output_col;
- // outptr sample size is 1 byte while idctptr sample size is 2 bytes
- outptr[0] = idctptr[0];
- outptr[1] = idctptr[1];
- outptr[2] = idctptr[2];
- outptr[3] = idctptr[3];
- outptr[4] = idctptr[4];
- outptr[5] = idctptr[5];
- outptr[6] = idctptr[6];
- outptr[7] = idctptr[7];
- idctptr += DCTSIZE; /* advance pointers to next row */
- }
-}
-
-GLOBAL(void)
-jpeg_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block,
- JSAMPARRAY output_buf, JDIMENSION output_col)
-{
- ISLOW_MULT_TYPE * quantptr;
- JSAMPROW outptr;
-
- /* Note: Must allocate 8x4 even though only 4x4 is used because
- * IDCT function expects stride of 8. Stride input to function is ignored.
- */
- INT16 idct_out[DCTSIZE * (DCTSIZE>>1)]; /* buffers data between passes */
- INT16* idctptr;
- JCOEFPTR coefptr;
- int ctr;
-
- coefptr = coef_block;
- quantptr = (ISLOW_MULT_TYPE *) compptr->dct_table;
-
- /* Dequantize the coeff buffer and write it back to the same location */
- for (ctr = (DCTSIZE>>1); ctr > 0; ctr--) {
- coefptr[0] = DEQUANTIZE(coefptr[0] , quantptr[0] );
- coefptr[DCTSIZE*1] = DEQUANTIZE(coefptr[DCTSIZE*1], quantptr[DCTSIZE*1]);
- coefptr[DCTSIZE*2] = DEQUANTIZE(coefptr[DCTSIZE*2], quantptr[DCTSIZE*2]);
- coefptr[DCTSIZE*3] = DEQUANTIZE(coefptr[DCTSIZE*3], quantptr[DCTSIZE*3]);
-
- /* advance pointers to next column */
- quantptr++;
- coefptr++;
- }
-
- idct_4x4_venum((INT16*)coef_block,
- (INT16*)idct_out,
- DCTSIZE * sizeof(INT16));
-
- idctptr = idct_out;
- for (ctr = 0; ctr < (DCTSIZE>>1); ctr++) {
- outptr = output_buf[ctr] + output_col;
-
- /* outptr sample size is 1 byte while idctptr sample size is 2 bytes */
- outptr[0] = idctptr[0];
- outptr[1] = idctptr[1];
- outptr[2] = idctptr[2];
- outptr[3] = idctptr[3];
- /* IDCT function assumes stride of 8 units */
- idctptr += (DCTSIZE); /* advance pointers to next row */
- }
-}
-
-GLOBAL(void)
-jpeg_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block,
- JSAMPARRAY output_buf, JDIMENSION output_col)
-{
- ISLOW_MULT_TYPE * quantptr;
- JSAMPROW outptr;
-
- /* Note: Must allocate 8x2 even though only 2x2 is used because
- * IDCT function expects stride of 8. Stride input to function is ignored.
- * There is also a hw limitation requiring input size to be 8x2.
- */
- INT16 idct_out[DCTSIZE * (DCTSIZE>>2)]; /* buffers data between passes */
- INT16* idctptr;
- JCOEFPTR coefptr;
- int ctr;
-
- coefptr = coef_block;
- quantptr = (ISLOW_MULT_TYPE *) compptr->dct_table;
-
- /* Dequantize the coeff buffer and write it back to the same location */
- for (ctr = (DCTSIZE>>2); ctr > 0; ctr--) {
- coefptr[0] = DEQUANTIZE(coefptr[0] , quantptr[0] );
- coefptr[DCTSIZE*1] = DEQUANTIZE(coefptr[DCTSIZE*1], quantptr[DCTSIZE*1]);
-
- /* advance pointers to next column */
- quantptr++;
- coefptr++;
- }
-
- idct_2x2_venum((INT16*)coef_block,
- (INT16*)idct_out,
- DCTSIZE * sizeof(INT16));
-
- idctptr = idct_out;
- for (ctr = 0; ctr < (DCTSIZE>>2); ctr++) {
- outptr = output_buf[ctr] + output_col;
-
- /* outptr sample size is 1 bytes, idctptr sample size is 2 bytes */
- outptr[0] = idctptr[0];
- outptr[1] = idctptr[1];
-
- /* IDCT function assumes stride of 8 units */
- idctptr += (DCTSIZE); /* advance pointers to next row */
- }
-}
-
-
-GLOBAL(void)
-jpeg_idct_1x1 (j_decompress_ptr cinfo, jpeg_component_info * compptr,
- JCOEFPTR coef_block,
- JSAMPARRAY output_buf, JDIMENSION output_col)
-{
- ISLOW_MULT_TYPE * quantptr;
- JSAMPROW outptr; // 8-bit type
- INT16 idct_out[DCTSIZE]; /* Required to allocate 8 samples, even though we only use one. */
- JCOEFPTR coefptr;
- int ctr;
-
- coefptr = coef_block;
- quantptr = (ISLOW_MULT_TYPE *) compptr->dct_table;
- outptr = output_buf[0] + output_col;
-
- /* Dequantize the coeff buffer and write it back to the same location */
- coefptr[0] = DEQUANTIZE(coefptr[0], quantptr[0]);
-
- idct_1x1_venum((INT16*)coef_block,
- (INT16*)idct_out,
- DCTSIZE * sizeof(INT16));
- outptr[0] = idct_out[0];
-}
-
-
-#endif /* ANDROID_JPEG_USE_VENUM */
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