/* * 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.
*/
staticvoid 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;
}
}
staticINLINEvoid 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);
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