core/alignplanar.cpp
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|---|---|---|---|
| 1 | // Avisynth v2.5. Copyright 2002 Ben Rudiak-Gould et al. | ||
| 2 | // http://avisynth.nl | ||
| 3 | |||
| 4 | // This program is free software; you can redistribute it and/or modify | ||
| 5 | // it under the terms of the GNU General Public License as published by | ||
| 6 | // the Free Software Foundation; either version 2 of the License, or | ||
| 7 | // (at your option) any later version. | ||
| 8 | // | ||
| 9 | // This program is distributed in the hope that it will be useful, | ||
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 12 | // GNU General Public License for more details. | ||
| 13 | // | ||
| 14 | // You should have received a copy of the GNU General Public License | ||
| 15 | // along with this program; if not, write to the Free Software | ||
| 16 | // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA, or visit | ||
| 17 | // http://www.gnu.org/copyleft/gpl.html . | ||
| 18 | // | ||
| 19 | // Linking Avisynth statically or dynamically with other modules is making a | ||
| 20 | // combined work based on Avisynth. Thus, the terms and conditions of the GNU | ||
| 21 | // General Public License cover the whole combination. | ||
| 22 | // | ||
| 23 | // As a special exception, the copyright holders of Avisynth give you | ||
| 24 | // permission to link Avisynth with independent modules that communicate with | ||
| 25 | // Avisynth solely through the interfaces defined in avisynth.h, regardless of the license | ||
| 26 | // terms of these independent modules, and to copy and distribute the | ||
| 27 | // resulting combined work under terms of your choice, provided that | ||
| 28 | // every copy of the combined work is accompanied by a complete copy of | ||
| 29 | // the source code of Avisynth (the version of Avisynth used to produce the | ||
| 30 | // combined work), being distributed under the terms of the GNU General | ||
| 31 | // Public License plus this exception. An independent module is a module | ||
| 32 | // which is not derived from or based on Avisynth, such as 3rd-party filters, | ||
| 33 | // import and export plugins, or graphical user interfaces. | ||
| 34 | |||
| 35 | // Alignplanar | ||
| 36 | // Copyright (c) Klaus Post 2001 - 2005 | ||
| 37 | |||
| 38 | /****************************** | ||
| 39 | ******* AlignPlanar ****** | ||
| 40 | *****************************/ | ||
| 41 | |||
| 42 | #include "avisynth.h" | ||
| 43 | #include "alignplanar.h" | ||
| 44 | |||
| 45 | |||
| 46 | ✗ | AlignPlanar::AlignPlanar(PClip _clip) : GenericVideoFilter(_clip) {} | |
| 47 | |||
| 48 | ✗ | PVideoFrame __stdcall AlignPlanar::GetFrame(int n, IScriptEnvironment* env) { | |
| 49 | ✗ | int plane = (env->PlanarChromaAlignment(IScriptEnvironment::PlanarChromaAlignmentTest)) ? PLANAR_U_ALIGNED : PLANAR_Y_ALIGNED; | |
| 50 | |||
| 51 | ✗ | PVideoFrame src = child->GetFrame(n, env); | |
| 52 | |||
| 53 | ✗ | if (!(src->GetRowSize(plane)&(FRAME_ALIGN-1))) | |
| 54 | ✗ | return src; | |
| 55 | |||
| 56 | ✗ | PVideoFrame dst = env->NewVideoFrameP(vi, &src); | |
| 57 | |||
| 58 | ✗ | if ((dst->GetRowSize(PLANAR_Y_ALIGNED)&(FRAME_ALIGN-1))) | |
| 59 | ✗ | env->ThrowError("AlignPlanar: [internal error] Returned frame was not aligned!"); | |
| 60 | |||
| 61 | ✗ | env->BitBlt(dst->GetWritePtr(), dst->GetPitch(), src->GetReadPtr(), src->GetPitch(), src->GetRowSize(), src->GetHeight()); | |
| 62 | ✗ | env->BitBlt(dst->GetWritePtr(PLANAR_V), dst->GetPitch(PLANAR_V), src->GetReadPtr(PLANAR_V), src->GetPitch(PLANAR_V), src->GetRowSize(PLANAR_V), src->GetHeight(PLANAR_V)); | |
| 63 | ✗ | env->BitBlt(dst->GetWritePtr(PLANAR_U), dst->GetPitch(PLANAR_U), src->GetReadPtr(PLANAR_U), src->GetPitch(PLANAR_U), src->GetRowSize(PLANAR_U), src->GetHeight(PLANAR_U)); | |
| 64 | |||
| 65 | ✗ | return dst; | |
| 66 | ✗ | } | |
| 67 | |||
| 68 | |||
| 69 | ✗ | PClip AlignPlanar::Create(PClip clip) | |
| 70 | { | ||
| 71 | ✗ | if (!clip->GetVideoInfo().IsPlanar()) { // If not planar, already ok. | |
| 72 | ✗ | return clip; | |
| 73 | } | ||
| 74 | else | ||
| 75 | ✗ | return new AlignPlanar(clip); | |
| 76 | } | ||
| 77 | |||
| 78 |