ed9c66f584
Instead of using the predict buffer, the decoder now writes
the predictor into the recon buffer. For blocks with eob=0,
unnecessary idcts can be eliminated. This gave a performance
boost of ~1.8% for the HD clips used.
Tero: Added needed changes to ARM side and scheduled some
assembly code to prevent interlocks.
Patch Set 6: Merged (I1bcdca7a95aacc3a181b9faa6b10e3a71ee24df3)
into this commit because of similarities in the idct
functions.
Patch Set 7: EC bug fix.
Change-Id: Ie31d90b5d3522e1108163f2ac491e455e3f955e6
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef IDCT_ARM_H
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#define IDCT_ARM_H
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#if HAVE_ARMV6
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extern prototype_idct(vp8_short_idct4x4llm_v6_dual);
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extern prototype_idct_scalar_add(vp8_dc_only_idct_add_v6);
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extern prototype_second_order(vp8_short_inv_walsh4x4_1_v6);
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extern prototype_second_order(vp8_short_inv_walsh4x4_v6);
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#if !CONFIG_RUNTIME_CPU_DETECT
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#undef vp8_idct_idct16
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#define vp8_idct_idct16 vp8_short_idct4x4llm_v6_dual
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#undef vp8_idct_idct1_scalar_add
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#define vp8_idct_idct1_scalar_add vp8_dc_only_idct_add_v6
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#undef vp8_idct_iwalsh1
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#define vp8_idct_iwalsh1 vp8_short_inv_walsh4x4_1_v6
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#undef vp8_idct_iwalsh16
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#define vp8_idct_iwalsh16 vp8_short_inv_walsh4x4_v6
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#endif
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#endif
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#if HAVE_ARMV7
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extern prototype_idct(vp8_short_idct4x4llm_neon);
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extern prototype_idct_scalar_add(vp8_dc_only_idct_add_neon);
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extern prototype_second_order(vp8_short_inv_walsh4x4_1_neon);
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extern prototype_second_order(vp8_short_inv_walsh4x4_neon);
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#if !CONFIG_RUNTIME_CPU_DETECT
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#undef vp8_idct_idct16
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#define vp8_idct_idct16 vp8_short_idct4x4llm_neon
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#undef vp8_idct_idct1_scalar_add
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#define vp8_idct_idct1_scalar_add vp8_dc_only_idct_add_neon
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#undef vp8_idct_iwalsh1
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#define vp8_idct_iwalsh1 vp8_short_inv_walsh4x4_1_neon
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#undef vp8_idct_iwalsh16
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#define vp8_idct_iwalsh16 vp8_short_inv_walsh4x4_neon
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#endif
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#endif
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#endif
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