| Index: third_party/libvpx/source/libvpx/vp8/common/invtrans.h
|
| diff --git a/third_party/libvpx/source/libvpx/vp8/common/invtrans.h b/third_party/libvpx/source/libvpx/vp8/common/invtrans.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..affe57e3d6e28121e9b67e6947984993e81c87ef
|
| --- /dev/null
|
| +++ b/third_party/libvpx/source/libvpx/vp8/common/invtrans.h
|
| @@ -0,0 +1,70 @@
|
| +/*
|
| + * 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.
|
| + */
|
| +
|
| +
|
| +#ifndef VP8_COMMON_INVTRANS_H_
|
| +#define VP8_COMMON_INVTRANS_H_
|
| +
|
| +#include "vpx_config.h"
|
| +#include "vp8_rtcd.h"
|
| +#include "blockd.h"
|
| +#include "onyxc_int.h"
|
| +
|
| +#if CONFIG_MULTITHREAD
|
| +#include "vpx_mem/vpx_mem.h"
|
| +#endif
|
| +
|
| +#ifdef __cplusplus
|
| +extern "C" {
|
| +#endif
|
| +
|
| +static void eob_adjust(char *eobs, short *diff)
|
| +{
|
| + /* eob adjust.... the idct can only skip if both the dc and eob are zero */
|
| + int js;
|
| + for(js = 0; js < 16; js++)
|
| + {
|
| + if((eobs[js] == 0) && (diff[0] != 0))
|
| + eobs[js]++;
|
| + diff+=16;
|
| + }
|
| +}
|
| +
|
| +static void vp8_inverse_transform_mby(MACROBLOCKD *xd)
|
| +{
|
| + short *DQC = xd->dequant_y1;
|
| +
|
| + if (xd->mode_info_context->mbmi.mode != SPLITMV)
|
| + {
|
| + /* do 2nd order transform on the dc block */
|
| + if (xd->eobs[24] > 1)
|
| + {
|
| + vp8_short_inv_walsh4x4
|
| + (&xd->block[24].dqcoeff[0], xd->qcoeff);
|
| + }
|
| + else
|
| + {
|
| + vp8_short_inv_walsh4x4_1
|
| + (&xd->block[24].dqcoeff[0], xd->qcoeff);
|
| + }
|
| + eob_adjust(xd->eobs, xd->qcoeff);
|
| +
|
| + DQC = xd->dequant_y1_dc;
|
| + }
|
| + vp8_dequant_idct_add_y_block
|
| + (xd->qcoeff, DQC,
|
| + xd->dst.y_buffer,
|
| + xd->dst.y_stride, xd->eobs);
|
| +}
|
| +#ifdef __cplusplus
|
| +} // extern "C"
|
| +#endif
|
| +
|
| +#endif // VP8_COMMON_INVTRANS_H_
|
|
|