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-rw-r--r--media/libvpx/libvpx/vpx_dsp/mips/inv_txfm_dspr2.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/mips/inv_txfm_dspr2.h b/media/libvpx/libvpx/vpx_dsp/mips/inv_txfm_dspr2.h
new file mode 100644
index 0000000000..cbea22f20f
--- /dev/null
+++ b/media/libvpx/libvpx/vpx_dsp/mips/inv_txfm_dspr2.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2013 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 VPX_VPX_DSP_MIPS_INV_TXFM_DSPR2_H_
+#define VPX_VPX_DSP_MIPS_INV_TXFM_DSPR2_H_
+
+#include <assert.h>
+
+#include "./vpx_config.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/inv_txfm.h"
+#include "vpx_dsp/mips/common_dspr2.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if HAVE_DSPR2
+#define DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input) \
+ ({ \
+ int32_t tmp, out; \
+ int dct_cost_rounding = DCT_CONST_ROUNDING; \
+ int in = input; \
+ \
+ __asm__ __volatile__(/* out = dct_const_round_shift(dc * cospi_16_64); */ \
+ "mtlo %[dct_cost_rounding], $ac1 " \
+ " \n\t" \
+ "mthi $zero, $ac1 " \
+ " \n\t" \
+ "madd $ac1, %[in], " \
+ "%[cospi_16_64] \n\t" \
+ "extp %[tmp], $ac1, " \
+ "31 \n\t" \
+ \
+ /* out = dct_const_round_shift(out * cospi_16_64); */ \
+ "mtlo %[dct_cost_rounding], $ac2 " \
+ " \n\t" \
+ "mthi $zero, $ac2 " \
+ " \n\t" \
+ "madd $ac2, %[tmp], " \
+ "%[cospi_16_64] \n\t" \
+ "extp %[out], $ac2, " \
+ "31 \n\t" \
+ \
+ : [tmp] "=&r"(tmp), [out] "=r"(out) \
+ : [in] "r"(in), \
+ [dct_cost_rounding] "r"(dct_cost_rounding), \
+ [cospi_16_64] "r"(cospi_16_64)); \
+ out; \
+ })
+
+void vpx_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride);
+void vpx_idct4_rows_dspr2(const int16_t *input, int16_t *output);
+void vpx_idct4_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride);
+void iadst4_dspr2(const int16_t *input, int16_t *output);
+void idct8_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows);
+void idct8_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride);
+void iadst8_dspr2(const int16_t *input, int16_t *output);
+void idct16_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows);
+void idct16_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride);
+void iadst16_dspr2(const int16_t *input, int16_t *output);
+
+#endif // #if HAVE_DSPR2
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif // VPX_VPX_DSP_MIPS_INV_TXFM_DSPR2_H_