diff options
Diffstat (limited to 'media/libvpx/vp8/common/x86/idct_blk_mmx.c')
| -rw-r--r-- | media/libvpx/vp8/common/x86/idct_blk_mmx.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/x86/idct_blk_mmx.c b/media/libvpx/vp8/common/x86/idct_blk_mmx.c new file mode 100644 index 000000000..f2532b34d --- /dev/null +++ b/media/libvpx/vp8/common/x86/idct_blk_mmx.c @@ -0,0 +1,128 @@ +/* + * 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_config.h" +#include "vp8_rtcd.h" +#include "vp8/common/blockd.h" +#include "vpx_mem/vpx_mem.h" + +extern void vp8_dequantize_b_impl_mmx(short *sq, short *dq, short *q); + +void vp8_dequantize_b_mmx(BLOCKD *d, short *DQC) +{ + short *sq = (short *) d->qcoeff; + short *dq = (short *) d->dqcoeff; + + vp8_dequantize_b_impl_mmx(sq, dq, DQC); +} + +void vp8_dequant_idct_add_y_block_mmx + (short *q, short *dq, + 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, dst, stride); + else if (eobs[0] == 1) + { + vp8_dc_only_idct_add_mmx (q[0]*dq[0], dst, stride, dst, stride); + memset(q, 0, 2 * sizeof(q[0])); + } + + if (eobs[1] > 1) + vp8_dequant_idct_add_mmx (q+16, dq, dst+4, stride); + else if (eobs[1] == 1) + { + vp8_dc_only_idct_add_mmx (q[16]*dq[0], dst+4, stride, + dst+4, stride); + memset(q + 16, 0, 2 * sizeof(q[0])); + } + + if (eobs[2] > 1) + vp8_dequant_idct_add_mmx (q+32, dq, dst+8, stride); + else if (eobs[2] == 1) + { + vp8_dc_only_idct_add_mmx (q[32]*dq[0], dst+8, stride, + dst+8, stride); + memset(q + 32, 0, 2 * sizeof(q[0])); + } + + if (eobs[3] > 1) + vp8_dequant_idct_add_mmx (q+48, dq, dst+12, stride); + else if (eobs[3] == 1) + { + vp8_dc_only_idct_add_mmx (q[48]*dq[0], dst+12, stride, + dst+12, stride); + memset(q + 48, 0, 2 * sizeof(q[0])); + } + + q += 64; + dst += 4*stride; + eobs += 4; + } +} + +void vp8_dequant_idct_add_uv_block_mmx + (short *q, short *dq, + 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, dstu, stride); + else if (eobs[0] == 1) + { + vp8_dc_only_idct_add_mmx (q[0]*dq[0], dstu, stride, dstu, stride); + memset(q, 0, 2 * sizeof(q[0])); + } + + if (eobs[1] > 1) + vp8_dequant_idct_add_mmx (q+16, dq, dstu+4, stride); + else if (eobs[1] == 1) + { + vp8_dc_only_idct_add_mmx (q[16]*dq[0], dstu+4, stride, + dstu+4, stride); + memset(q + 16, 0, 2 * sizeof(q[0])); + } + + q += 32; + dstu += 4*stride; + eobs += 2; + } + + for (i = 0; i < 2; i++) + { + if (eobs[0] > 1) + vp8_dequant_idct_add_mmx (q, dq, dstv, stride); + else if (eobs[0] == 1) + { + vp8_dc_only_idct_add_mmx (q[0]*dq[0], dstv, stride, dstv, stride); + memset(q, 0, 2 * sizeof(q[0])); + } + + if (eobs[1] > 1) + vp8_dequant_idct_add_mmx (q+16, dq, dstv+4, stride); + else if (eobs[1] == 1) + { + vp8_dc_only_idct_add_mmx (q[16]*dq[0], dstv+4, stride, + dstv+4, stride); + memset(q + 16, 0, 2 * sizeof(q[0])); + } + + q += 32; + dstv += 4*stride; + eobs += 2; + } +} |