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Unified Diff: third_party/libvpx/source/libvpx/vp8/common/invtrans.h

Issue 1158913006: Move libvpx from DEPS to src (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: add DEPS file with #include paths Created 5 years, 7 months ago
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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_

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