diff options
Diffstat (limited to 'simd/jsimd_arm_neon.c')
| -rw-r--r-- | simd/jsimd_arm_neon.c | 102 |
1 files changed, 7 insertions, 95 deletions
diff --git a/simd/jsimd_arm_neon.c b/simd/jsimd_arm_neon.c index 721e364..722dc62 100644 --- a/simd/jsimd_arm_neon.c +++ b/simd/jsimd_arm_neon.c @@ -41,7 +41,7 @@ typedef my_color_deconverter * my_cconvert_ptr; EXTERN (void) idct_1x1_venum (INT16 * coeffPtr, INT16 * samplePtr, INT32 stride); EXTERN (void) idct_2x2_venum (INT16 * coeffPtr, INT16 * samplePtr, INT32 stride); EXTERN (void) idct_4x4_venum (INT16 * coeffPtr, INT16 * samplePtr, INT32 stride); -EXTERN (void) idct_8x8_venum (INT16 * coeffPtr, INT16 * samplePtr, INT32 stride); +EXTERN (void) idct_8x8_venum (INT16 * coeffPtr, UINT8 **samplePtr, INT32 col, INT16 *qtab); /* Color conversion routines */ EXTERN (void) yvup2rgb565_venum (UINT8 *pLumaLine, @@ -450,54 +450,10 @@ jsimd_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 */ - } + output_buf, + output_col, + compptr->dct_table); } GLOBAL(void) @@ -505,54 +461,10 @@ jsimd_idct_ifast (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 */ - } + output_buf, + output_col, + compptr->dct_table); } GLOBAL(void) |