diff options
Diffstat (limited to 'vp8/decoder/x86/idct_blk_mmx.c')
| -rw-r--r-- | vp8/decoder/x86/idct_blk_mmx.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/vp8/decoder/x86/idct_blk_mmx.c b/vp8/decoder/x86/idct_blk_mmx.c new file mode 100644 index 000000000..78c91d3d2 --- /dev/null +++ b/vp8/decoder/x86/idct_blk_mmx.c @@ -0,0 +1,151 @@ +/* + * Copyright (c) 2010 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "vpx_ports/config.h" +#include "idct.h" +#include "dequantize.h" + +void vp8_dequant_dc_idct_add_y_block_mmx + (short *q, short *dq, unsigned char *pre, + unsigned char *dst, int stride, char *eobs, short *dc) +{ + int i; + + for (i = 0; i < 4; i++) + { + if (eobs[0] > 1) + vp8_dequant_dc_idct_add_mmx (q, dq, pre, dst, 16, stride, dc[0]); + else + vp8_dc_only_idct_add_mmx (dc[0], pre, dst, 16, stride); + + if (eobs[1] > 1) + vp8_dequant_dc_idct_add_mmx (q+16, dq, pre+4, dst+4, 16, stride, dc[1]); + else + vp8_dc_only_idct_add_mmx (dc[1], pre+4, dst+4, 16, stride); + + if (eobs[2] > 1) + vp8_dequant_dc_idct_add_mmx (q+32, dq, pre+8, dst+8, 16, stride, dc[2]); + else + vp8_dc_only_idct_add_mmx (dc[2], pre+8, dst+8, 16, stride); + + if (eobs[3] > 1) + vp8_dequant_dc_idct_add_mmx (q+48, dq, pre+12, dst+12, 16, stride, dc[3]); + else + vp8_dc_only_idct_add_mmx (dc[3], pre+12, dst+12, 16, stride); + + q += 64; + dc += 4; + pre += 64; + dst += 4*stride; + eobs += 4; + } +} + +void vp8_dequant_idct_add_y_block_mmx + (short *q, short *dq, unsigned char *pre, + unsigned char *dst, int stride, char *eobs) +{ + int i; + + for (i = 0; i < 4; i++) + { + if (eobs[0] > 1) + vp8_dequant_idct_add_mmx (q, dq, pre, dst, 16, stride); + else + { + vp8_dc_only_idct_add_mmx (q[0]*dq[0], pre, dst, 16, stride); + ((int *)q)[0] = 0; + } + + if (eobs[1] > 1) + vp8_dequant_idct_add_mmx (q+16, dq, pre+4, dst+4, 16, stride); + else + { + vp8_dc_only_idct_add_mmx (q[16]*dq[0], pre+4, dst+4, 16, stride); + ((int *)(q+16))[0] = 0; + } + + if (eobs[2] > 1) + vp8_dequant_idct_add_mmx (q+32, dq, pre+8, dst+8, 16, stride); + else + { + vp8_dc_only_idct_add_mmx (q[32]*dq[0], pre+8, dst+8, 16, stride); + ((int *)(q+32))[0] = 0; + } + + if (eobs[3] > 1) + vp8_dequant_idct_add_mmx (q+48, dq, pre+12, dst+12, 16, stride); + else + { + vp8_dc_only_idct_add_mmx (q[48]*dq[0], pre+12, dst+12, 16, stride); + ((int *)(q+48))[0] = 0; + } + + q += 64; + pre += 64; + dst += 4*stride; + eobs += 4; + } +} + +void vp8_dequant_idct_add_uv_block_mmx + (short *q, short *dq, unsigned char *pre, + unsigned char *dstu, unsigned char *dstv, int stride, char *eobs) +{ + int i; + + for (i = 0; i < 2; i++) + { + if (eobs[0] > 1) + vp8_dequant_idct_add_mmx (q, dq, pre, dstu, 8, stride); + else + { + vp8_dc_only_idct_add_mmx (q[0]*dq[0], pre, dstu, 8, stride); + ((int *)q)[0] = 0; + } + + if (eobs[1] > 1) + vp8_dequant_idct_add_mmx (q+16, dq, pre+4, dstu+4, 8, stride); + else + { + vp8_dc_only_idct_add_mmx (q[16]*dq[0], pre+4, dstu+4, 8, stride); + ((int *)(q+16))[0] = 0; + } + + q += 32; + pre += 32; + dstu += 4*stride; + eobs += 2; + } + + for (i = 0; i < 2; i++) + { + if (eobs[0] > 1) + vp8_dequant_idct_add_mmx (q, dq, pre, dstv, 8, stride); + else + { + vp8_dc_only_idct_add_mmx (q[0]*dq[0], pre, dstv, 8, stride); + ((int *)q)[0] = 0; + } + + if (eobs[1] > 1) + vp8_dequant_idct_add_mmx (q+16, dq, pre+4, dstv+4, 8, stride); + else + { + vp8_dc_only_idct_add_mmx (q[16]*dq[0], pre+4, dstv+4, 8, stride); + ((int *)(q+16))[0] = 0; + } + + q += 32; + pre += 32; + dstv += 4*stride; + eobs += 2; + } +} |