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Reframe360.cpp
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/*
* Copyright (c) 2019-2021 Ronan LE MEILLAT, Stefan SIETZEN, Sylvain GRAVEL
* License Apache Software License 2.0
*/
#include "Reframe360.h"
#include "ofxsImageEffect.h"
#include "ofxsMultiThread.h"
#include "ofxsProcessing.h"
#define kPluginName "Reframe360 XL"
#define kPluginGrouping "Reframe360 XL"
#define kPluginDescription "Lets you animate a virtual camera in your 360 footage."
#define kPluginIdentifier "io.github.eltorio.Reframe360XLPlugin"
#define kPluginVersionMajor 1
#define kPluginVersionMinor 0
#define kSupportsTiles false
#define kSupportsMultiResolution false
#define kSupportsMultipleClipPARs false
#define MAX_CAM_NUM 20
#define M_PI 3.14159265358979323846
/// GLM Imports
#include "MathUtil.h"
#include <ctime>
#ifdef linux
#include <cstring> //for memcpy
#endif
////////////////////////////////////////////////////////////////////////////////
class ImageScaler : public OFX::ImageProcessor
{
public:
explicit ImageScaler(OFX::ImageEffect &p_Instance);
#ifndef __APPLE__
virtual void processImagesCUDA();
#endif
virtual void processImagesOpenCL();
#if defined(__APPLE__)
virtual void processImagesMetal();
#endif
virtual void multiThreadProcessImages(OfxRectI p_ProcWindow);
void setSrcImg(OFX::Image *p_SrcImg);
void setParams(int p_InputFormat, float *p_RotMat, float *p_Fov, float *p_Tinyplanet, float *p_Rectilinear, int p_Samples,
bool p_Bilinear);
private:
OFX::Image *_srcImg;
float *_rotMat;
float *_fov;
float *_tinyplanet;
float *_rectilinear;
int _inputFormat;
int _samples;
bool _bilinear;
};
ImageScaler::ImageScaler(OFX::ImageEffect &p_Instance)
: OFX::ImageProcessor(p_Instance)
{
}
float2 _c_rotate_cube_face(float2 uv, int rotation)
{
float2 ret_uv;
switch (rotation)
{
case ROT_0:
ret_uv = uv;
break;
case ROT_90:
ret_uv.x = -uv.y;
ret_uv.y = uv.x;
break;
case ROT_180:
ret_uv.x = -uv.x;
ret_uv.y = -uv.y;
break;
case ROT_270:
ret_uv.x = uv.y;
ret_uv.y = -uv.x;
break;
}
return ret_uv;
}
float3 _c_equirect_to_xyz(int2 xy, int2 size)
{
float3 xyz;
float phi = ((2.f * ((float)xy.x) + 0.5f) / ((float)size.x) - 1.f) * M_PI;
float theta = ((2.f * ((float)xy.y) + 0.5f) / ((float)size.y) - 1.f) * M_PI_2;
xyz.x = cos(theta) * sin(phi);
xyz.y = sin(theta);
xyz.z = cos(theta) * cos(phi);
return xyz;
}
float2 _c_xyz_to_cube(float3 xyz, int *direction, int *face)
{
float phi = atan2(xyz.x, xyz.z);
float theta = asin(xyz.y);
float phi_norm, theta_threshold;
int face_rotation;
float2 uv;
// int direction;
if (phi >= -M_PI_4 && phi < M_PI_4)
{
*direction = FRONT;
phi_norm = phi;
}
else if (phi >= -(M_PI_2 + M_PI_4) && phi < -M_PI_4)
{
*direction = LEFT;
phi_norm = phi + M_PI_2;
}
else if (phi >= M_PI_4 && phi < M_PI_2 + M_PI_4)
{
*direction = RIGHT;
phi_norm = phi - M_PI_2;
}
else
{
*direction = BACK;
phi_norm = phi + ((phi > 0.f) ? -M_PI : M_PI);
}
theta_threshold = atan(cos(phi_norm));
if (theta > theta_threshold)
{
*direction = DOWN;
}
else if (theta < -theta_threshold)
{
*direction = UP;
}
theta_threshold = atan(cos(phi_norm));
if (theta > theta_threshold)
{
*direction = DOWN;
}
else if (theta < -theta_threshold)
{
*direction = UP;
}
switch (*direction)
{
case RIGHT:
uv.x = -xyz.z / xyz.x;
uv.y = xyz.y / xyz.x;
*face = TOP_RIGHT;
face_rotation = ROT_0;
break;
case LEFT:
uv.x = -xyz.z / xyz.x;
uv.y = -xyz.y / xyz.x;
*face = TOP_LEFT;
face_rotation = ROT_0;
break;
case UP:
uv.x = -xyz.x / xyz.y;
uv.y = -xyz.z / xyz.y;
*face = BOTTOM_RIGHT;
face_rotation = ROT_270;
uv = _c_rotate_cube_face(uv, face_rotation);
break;
case DOWN:
uv.x = xyz.x / xyz.y;
uv.y = -xyz.z / xyz.y;
*face = BOTTOM_LEFT;
face_rotation = ROT_270;
uv = _c_rotate_cube_face(uv, face_rotation);
break;
case FRONT:
uv.x = xyz.x / xyz.z;
uv.y = xyz.y / xyz.z;
*face = TOP_MIDDLE;
face_rotation = ROT_0;
break;
case BACK:
uv.x = xyz.x / xyz.z;
uv.y = -xyz.y / xyz.z;
*face = BOTTOM_MIDDLE;
face_rotation = ROT_90;
uv = _c_rotate_cube_face(uv, face_rotation);
break;
}
return uv;
}
float2 _c_xyz_to_eac(float3 xyz, int2 size)
{
float pixel_pad = 2;
float u_pad = pixel_pad / size.x;
float v_pad = pixel_pad / size.y;
int direction, face;
int u_face, v_face;
float2 uv = _c_xyz_to_cube(xyz, &direction, &face);
u_face = face % 3;
v_face = face / 3;
// eac expansion
uv.x = M_2_PI * atan(uv.x) + 0.5f;
uv.y = M_2_PI * atan(uv.y) + 0.5f;
uv.x = (uv.x + u_face) * (1.f - 2.f * u_pad) / 3.f + u_pad;
uv.y = uv.y * (0.5f - 2.f * v_pad) + v_pad + 0.5f * v_face;
uv.x *= size.x;
uv.y *= size.y;
return uv;
}
int2 _c_transpose_gopromax_overlap(int2 xy, int2 dim)
{
int2 ret;
int cut = dim.x * CUT / BASESIZE;
int overlap = dim.x * OVERLAP / BASESIZE;
if (xy.x < cut)
{
ret = xy;
}
else if ((xy.x >= cut) && (xy.x < (dim.x - cut)))
{
ret.x = xy.x + overlap;
ret.y = xy.y;
}
else
{
ret.x = xy.x + 2 * overlap;
ret.y = xy.y;
}
return ret;
}
int2 roundfloat2(float2 vect)
{
int2 ret;
ret.x = (int)round(vect.x);
ret.y = (int)round(vect.y);
return ret;
}
float2 _c_get_original_coordinates(const float2 equirect_coordinates, int2 size, int transpose)
{
int2 loc = {(int)equirect_coordinates.x, (int)equirect_coordinates.y};
int2 eac_size = {size.x - 2 * (size.x * OVERLAP / BASESIZE), size.y};
float3 xyz = _c_equirect_to_xyz(loc, size);
float2 uv = _c_xyz_to_eac(xyz, eac_size);
float2 ret;
int2 xy = (int2)(roundfloat2(uv));
if (transpose)
{
xy = _c_transpose_gopromax_overlap(xy, eac_size);
}
xy.y = size.y - (xy.y + 1);
ret.x = (float)xy.x;
ret.y = (float)xy.y;
return ret;
}
float2 _c_get_original_gopromax_coordinates(const float2 equirect_coordinates, int2 size)
{
return _c_get_original_coordinates(equirect_coordinates, size, TRUE);
}
void pitchMatrix(float pitch, float **out)
{
(*out)[0] = 1.0;
(*out)[1] = 0;
(*out)[2] = 0;
(*out)[3] = 0;
(*out)[4] = cos(pitch);
(*out)[5] = -sin(pitch);
(*out)[6] = 0;
(*out)[7] = sin(pitch);
(*out)[8] = cos(pitch);
}
void yawMatrix(float yaw, float **out)
{
(*out)[0] = cos(yaw);
(*out)[1] = 0;
(*out)[2] = sin(yaw);
(*out)[3] = 0;
(*out)[4] = 1.0;
(*out)[5] = 0;
(*out)[6] = -sin(yaw);
(*out)[7] = 0;
(*out)[8] = cos(yaw);
}
void rollMatrix(float roll, float **out)
{
(*out)[0] = cos(roll);
(*out)[1] = -sin(roll);
(*out)[2] = 0;
(*out)[3] = sin(roll);
(*out)[4] = cos(roll);
(*out)[5] = 0;
(*out)[6] = 0;
(*out)[7] = 0;
(*out)[8] = 1.0;
}
void matMul(const float *y, const float *p, float **outmat)
{
(*outmat)[0] = p[0] * y[0] + p[3] * y[1] + p[6] * y[2];
(*outmat)[1] = p[1] * y[0] + p[4] * y[1] + p[7] * y[2];
(*outmat)[2] = p[2] * y[0] + p[5] * y[1] + p[8] * y[2];
(*outmat)[3] = p[0] * y[3] + p[3] * y[4] + p[6] * y[5];
(*outmat)[4] = p[1] * y[3] + p[4] * y[4] + p[7] * y[5];
(*outmat)[5] = p[2] * y[3] + p[5] * y[4] + p[8] * y[5];
(*outmat)[6] = p[0] * y[6] + p[3] * y[7] + p[6] * y[8];
(*outmat)[7] = p[1] * y[6] + p[4] * y[7] + p[7] * y[8];
(*outmat)[8] = p[2] * y[6] + p[5] * y[7] + p[8] * y[8];
}
// There is no CUDA on MacOS
#ifndef __APPLE__
extern void RunCudaKernel(void *p_Stream, int p_inputFormat, int p_Width, int p_Height, float *p_Fov, float *p_Tinyplanet, float *p_Rectilinear,
const float *p_Input, float *p_Output, const float *p_RotMat, int p_Samples, bool p_Bilinear);
void ImageScaler::processImagesCUDA()
{
const OfxRectI &bounds = _srcImg->getBounds();
const int width = bounds.x2 - bounds.x1;
const int height = bounds.y2 - bounds.y1;
float *input = static_cast<float *>(_srcImg->getPixelData());
float *output = static_cast<float *>(_dstImg->getPixelData());
RunCudaKernel(_pCudaStream, _inputFormat, width, height, _fov, _tinyplanet, _rectilinear, input, output, _rotMat, _samples, _bilinear);
}
#endif
// diasble Metal since there is not yet a metal kernel
#if defined(__APPLE__)
extern void RunMetalKernel(void *p_CmdQ, int p_inputFormat, int p_Width, int p_Height, float *p_Fov, float *p_Tinyplanet, float *p_Rectilinear, const float *p_Input, float *p_Output, float *p_RotMat, int p_Samples,
bool p_Bilinear);
void ImageScaler::processImagesMetal()
{
const OfxRectI &bounds = _srcImg->getBounds();
const int width = bounds.x2 - bounds.x1;
const int height = bounds.y2 - bounds.y1;
float *input = static_cast<float *>(_srcImg->getPixelData());
float *output = static_cast<float *>(_dstImg->getPixelData());
RunMetalKernel(_pMetalCmdQ, _inputFormat, width, height, _fov, _tinyplanet, _rectilinear, input, output, _rotMat, _samples, _bilinear);
}
#endif
// #if defined(__OPENCL__)
extern void RunOpenCLKernel(void *p_CmdQ, int p_inputFormat, int p_Width, int p_Height, float *p_Fov, float *p_Tinyplanet,
float *p_Rectilinear, const float *p_Input, float *p_Output, float *p_RotMat, int p_Samples,
bool p_Bilinear);
void ImageScaler::processImagesOpenCL()
{
const OfxRectI &bounds = _srcImg->getBounds();
const int width = bounds.x2 - bounds.x1;
const int height = bounds.y2 - bounds.y1;
float *input = static_cast<float *>(_srcImg->getPixelData());
float *output = static_cast<float *>(_dstImg->getPixelData());
RunOpenCLKernel(_pOpenCLCmdQ, _inputFormat, width, height, _fov, _tinyplanet, _rectilinear, input, output, _rotMat, _samples,
_bilinear);
}
// #endif
void ImageScaler::multiThreadProcessImages(OfxRectI p_ProcWindow)
{
int width = p_ProcWindow.x2 - p_ProcWindow.x1;
int height = p_ProcWindow.y2 - p_ProcWindow.y1;
for (int i = 0; i < _samples; i++)
{
mat3 rotMat;
rotMat[0][0] = _rotMat[i * 9 + 0];
rotMat[0][1] = _rotMat[i * 9 + 1];
rotMat[0][2] = _rotMat[i * 9 + 2];
rotMat[1][0] = _rotMat[i * 9 + 3];
rotMat[1][1] = _rotMat[i * 9 + 4];
rotMat[1][2] = _rotMat[i * 9 + 5];
rotMat[2][0] = _rotMat[i * 9 + 6];
rotMat[2][1] = _rotMat[i * 9 + 7];
rotMat[2][2] = _rotMat[i * 9 + 8];
float fov = _fov[i];
float aspect = (float)width / (float)height;
for (int y = p_ProcWindow.y1; y < p_ProcWindow.y2; ++y)
{
if (_effect.abort())
break;
float *dstPix = static_cast<float *>(_dstImg->getPixelAddress(p_ProcWindow.x1, y));
for (int x = p_ProcWindow.x1; x < p_ProcWindow.x2; ++x)
{
vec2 uv = vec2((float)x / width, (float)y / height);
vec3 dir = vec3(0, 0, 0);
dir.x = (uv.x * 2) - 1;
dir.y = (uv.y * 2) - 1;
dir.y /= aspect;
dir.z = fov;
vec3 tinyplanet = tinyPlanetSph(dir);
tinyplanet = normalize(tinyplanet);
tinyplanet = rotMat * tinyplanet;
vec3 rectdir = rotMat * dir;
rectdir = normalize(rectdir);
dir = mix(fisheyeDir(dir, rotMat), tinyplanet, _tinyplanet[i]);
dir = mix(dir, rectdir, _rectilinear[i]);
vec2 iuv = polarCoord(dir);
iuv = repairUv(iuv);
iuv.x *= (width - 1);
iuv.y *= (height - 1);
int2 size;
size.x = width;
size.y = height;
float2 icoord, ocoord;
icoord.x = iuv.x;
icoord.y = iuv.y;
// get original coordinates
switch (_inputFormat)
{
case GOPRO_MAX:
ocoord = _c_get_original_gopromax_coordinates(icoord, size);
iuv.x = ocoord.x;
iuv.y = ocoord.y;
break;
case EQUIANGULAR_CUBEMAP:
ocoord = _c_get_original_coordinates(icoord, size, FALSE);
iuv.x = ocoord.x;
iuv.y = ocoord.y;
break;
case EQUIRECTANGULAR:
break;
}
int x_new = (int)iuv.x;
int y_new = (int)iuv.y;
if ((x_new < width) && (y_new < height))
{
float *srcPix = static_cast<float *>(_srcImg ? _srcImg->getPixelAddress(x_new, y_new) : 0);
vec4 interpCol;
// do we have a source image to scale up
if (srcPix)
{
if (_bilinear)
{
interpCol = linInterpCol(iuv, _srcImg, p_ProcWindow, width, height);
}
else
{
interpCol = vec4(srcPix[0], srcPix[1], srcPix[2], srcPix[3]);
}
}
else
{
interpCol = vec4(0, 0, 0, 1.0);
}
if (i == 0)
{
dstPix[0] = 0;
dstPix[1] = 0;
dstPix[2] = 0;
dstPix[3] = 0;
}
dstPix[0] += interpCol.x / _samples;
dstPix[1] += interpCol.y / _samples;
dstPix[2] += interpCol.z / _samples;
dstPix[3] += interpCol.w / _samples;
}
// increment the dst pixel
dstPix += 4;
continue;
}
}
}
}
void ImageScaler::setSrcImg(OFX::Image *p_SrcImg)
{
_srcImg = p_SrcImg;
}
void ImageScaler::setParams(int p_InputFormat, float *p_RotMat, float *p_Fov, float *p_Tinyplanet, float *p_Rectilinear, int p_Samples,
bool p_Bilinear)
{
_inputFormat = p_InputFormat;
_rotMat = p_RotMat;
_fov = p_Fov;
_tinyplanet = p_Tinyplanet;
_rectilinear = p_Rectilinear;
_samples = p_Samples;
_bilinear = p_Bilinear;
}
////////////////////////////////////////////////////////////////////////////////
/** @brief The plugin that does our work */
class Reframe360 : public OFX::ImageEffect
{
public:
explicit Reframe360(OfxImageEffectHandle p_Handle);
/* Override the render */
virtual void render(const OFX::RenderArguments &p_Args);
/* Override is identity */
virtual bool isIdentity(const OFX::IsIdentityArguments &p_Args, OFX::Clip *&p_IdentityClip, double &p_IdentityTime);
/* Override changedParam */
virtual void changedParam(const OFX::InstanceChangedArgs &p_Args, const std::string &p_ParamName);
/* Override changed clip */
virtual void changedClip(const OFX::InstanceChangedArgs &p_Args, const std::string &p_ClipName);
/* Set the enabledness of the component scale params depending on the type of input image and the state of the scaleComponents param */
void setEnabledness() const;
void setActiveParams();
std::string paramIdForCam(std::string baseName, int cam);
void setHiddenParam(std::string name, int cam, double value);
template <class TParam>
float BlendParam(TParam *param, const OFX::RenderArguments &p_Args, float offset) const;
float ApplyBlendCurve(float blend, const OFX::RenderArguments &p_Args, float offset) const;
float BlendFromAlpha(float alpha, const OFX::RenderArguments &p_Args, float offset) const;
/* Set up and run a processor */
void setupAndProcess(ImageScaler &p_ImageScaler, const OFX::RenderArguments &p_Args);
private:
// Does not own the following pointers
OFX::Clip *m_DstClip;
OFX::Clip *m_SrcClip;
OFX::DoubleParam *m_Pitch;
OFX::DoubleParam *m_Yaw;
OFX::DoubleParam *m_Roll;
OFX::DoubleParam *m_Fov;
OFX::IntParam *m_ActiveCamera;
OFX::BooleanParam *m_ShowActiveCamera;
OFX::PushButtonParam *m_CopyButton;
OFX::PushButtonParam *m_PasteButton;
OFX::IntParam *m_CopyValue;
OFX::ChoiceParam *m_InputFormat;
OFX::IntParam *m_CameraSequence;
OFX::ChoiceParam *m_BlendCurve;
OFX::DoubleParam *m_Accel;
OFX::DoubleParam *m_Pitch1;
OFX::DoubleParam *m_Yaw1;
OFX::DoubleParam *m_Roll1;
OFX::DoubleParam *m_Fov1;
OFX::DoubleParam *m_Tinyplanet1;
OFX::DoubleParam *m_Recti1;
OFX::DoubleParam *m_Pitch2[MAX_CAM_NUM];
OFX::DoubleParam *m_Yaw2[MAX_CAM_NUM];
OFX::DoubleParam *m_Roll2[MAX_CAM_NUM];
OFX::DoubleParam *m_Fov2[MAX_CAM_NUM];
OFX::DoubleParam *m_Tinyplanet2[MAX_CAM_NUM];
OFX::DoubleParam *m_Recti2[MAX_CAM_NUM];
OFX::DoubleParam *m_Shutter;
OFX::IntParam *m_Samples;
OFX::BooleanParam *m_Bilinear;
template <class TParam>
static double getNextKeyframeTime(TParam *param, double time);
template <class TParam>
static double getPreviousKeyframeTime(TParam *param, double time);
template <class TParam>
static float getPreviousKeyframeValue(TParam *param, double time);
template <class TParam>
static float getNextKeyframeValue(TParam *param, double time);
template <class TParam>
static float getRelativeKeyframeAlpha(TParam *param, double time, double offset);
template <class TParam>
static bool needsInterPolation(TParam *param, double time);
template <class TParam>
static bool isFirstKeyFrameTimeOrEarlier(TParam *param, double time);
template <class TParam>
static bool isLastKeyFrameTimeOrLater(TParam *param, double time);
template <class TParam>
static bool isExactlyOnKeyFrame(TParam *param, double time);
// ReframeParamSet m_ParamStruct;
};
Reframe360::Reframe360(OfxImageEffectHandle p_Handle)
: ImageEffect(p_Handle)
{
m_DstClip = fetchClip(kOfxImageEffectOutputClipName);
m_SrcClip = fetchClip(kOfxImageEffectSimpleSourceClipName);
m_Pitch = fetchDoubleParam("main_pitch");
m_Yaw = fetchDoubleParam("main_yaw");
m_Roll = fetchDoubleParam("main_roll");
m_Fov = fetchDoubleParam("main_fov");
m_InputFormat = fetchChoiceParam("input_format");
m_CameraSequence = fetchIntParam("cam1");
m_BlendCurve = fetchChoiceParam("blend_curve");
m_Accel = fetchDoubleParam("accel");
m_ActiveCamera = fetchIntParam("active_cam");
m_ShowActiveCamera = fetchBooleanParam("show_active_cam");
m_CopyButton = fetchPushButtonParam("copy_button");
m_PasteButton = fetchPushButtonParam("paste_button");
m_CopyValue = fetchIntParam("copy_value");
m_Shutter = fetchDoubleParam("shutter");
m_Samples = fetchIntParam("samples");
m_Bilinear = fetchBooleanParam("bilinear");
m_Pitch1 = fetchDoubleParam("aux_pitch");
m_Yaw1 = fetchDoubleParam("aux_yaw");
m_Roll1 = fetchDoubleParam("aux_roll");
m_Fov1 = fetchDoubleParam("aux_fov");
m_Tinyplanet1 = fetchDoubleParam("aux_tiny");
m_Recti1 = fetchDoubleParam("aux_recti");
for (int i = 0; i < MAX_CAM_NUM; i++)
{
m_Pitch2[i] = fetchDoubleParam(paramIdForCam("aux_pitch", i));
m_Yaw2[i] = fetchDoubleParam(paramIdForCam("aux_yaw", i));
m_Roll2[i] = fetchDoubleParam(paramIdForCam("aux_roll", i));
m_Fov2[i] = fetchDoubleParam(paramIdForCam("aux_fov", i));
m_Tinyplanet2[i] = fetchDoubleParam(paramIdForCam("aux_tiny", i));
m_Recti2[i] = fetchDoubleParam(paramIdForCam("aux_recti", i));
}
// Set the enabledness of our RGBA sliders
setEnabledness();
}
void Reframe360::render(const OFX::RenderArguments &p_Args)
{
if ((m_DstClip->getPixelDepth() == OFX::eBitDepthFloat) && (m_DstClip->getPixelComponents() == OFX::ePixelComponentRGBA))
{
ImageScaler imageScaler(*this);
setupAndProcess(imageScaler, p_Args);
}
else
{
OFX::throwSuiteStatusException(kOfxStatErrUnsupported);
}
}
bool Reframe360::isIdentity(const OFX::IsIdentityArguments &p_Args, OFX::Clip *&p_IdentityClip, double &p_IdentityTime)
{
return false;
}
void Reframe360::changedParam(const OFX::InstanceChangedArgs &p_Args, const std::string &p_ParamName)
{
if (p_ParamName.find("active_cam") == 0)
{
int activeCam = m_ActiveCamera->getValue();
activeCam--;
m_Pitch1->setValue(m_Pitch2[activeCam]->getValue());
m_Yaw1->setValue(m_Yaw2[activeCam]->getValue());
m_Roll1->setValue(m_Roll2[activeCam]->getValue());
m_Fov1->setValue(m_Fov2[activeCam]->getValue());
m_Tinyplanet1->setValue(m_Tinyplanet2[activeCam]->getValue());
m_Recti1->setValue(m_Recti2[activeCam]->getValue());
}
else if (p_ParamName.find("hidden") == std::string::npos && p_ParamName.find("aux") == 0)
{
double value = fetchDoubleParam(p_ParamName)->getValue();
int activeCam = fetchIntParam("active_cam")->getValue();
std::stringstream ss;
ss << p_ParamName << "_hidden_" << activeCam;
std::string name = ss.str();
setHiddenParam(name, activeCam, value);
}
else if (p_ParamName.find("copy_button") == 0)
{
m_CopyValue->setValue(m_ActiveCamera->getValue());
}
else if (p_ParamName.find("paste_button") == 0)
{
int activeCam = m_ActiveCamera->getValue();
activeCam--;
int copyCam = m_CopyValue->getValue();
copyCam--;
m_Pitch1->setValue(m_Pitch2[copyCam]->getValue());
m_Yaw1->setValue(m_Yaw2[copyCam]->getValue());
m_Roll1->setValue(m_Roll2[copyCam]->getValue());
m_Fov1->setValue(m_Fov2[copyCam]->getValue());
m_Tinyplanet1->setValue(m_Tinyplanet2[copyCam]->getValue());
m_Recti1->setValue(m_Recti2[copyCam]->getValue());
}
}
void Reframe360::changedClip(const OFX::InstanceChangedArgs &p_Args, const std::string &p_ClipName)
{
if (p_ClipName == kOfxImageEffectSimpleSourceClipName)
{
setEnabledness();
}
}
void Reframe360::setEnabledness() const
{
// the component enabledness depends on the clip being RGBA and the param being true
const bool enable = ((m_SrcClip->getPixelComponents() == OFX::ePixelComponentRGBA));
/*
m_Pitch->setEnabled(enable);
m_Yaw->setEnabled(enable);
m_Fov->setEnabled(enable);
m_Recti->setEnabled(enable);
m_Blend->setEnabled(enable);
m_BlendCurve->setEnabled(enable);
m_Accel->setEnabled(enable);
m_Pitch2->setEnabled(enable);
m_Yaw2->setEnabled(enable);
m_Fov2->setEnabled(enable);
m_Fisheye2->setEnabled(enable);
*/
}
static float interpParam(OFX::DoubleParam *param, const OFX::RenderArguments &p_Args, float offset)
{
if (offset == 0)
{
return (float)param->getValueAtTime(p_Args.time);
}
else if (offset < 0)
{
offset = -offset;
float floor = std::floor(offset);
float frac = offset - floor;
return (float)param->getValueAtTime(p_Args.time - (floor + 1)) * frac + (float)param->getValueAtTime(p_Args.time - floor) * (1 - frac);
}
else
{
float floor = std::floor(offset);
float frac = offset - floor;
return (float)param->getValueAtTime(p_Args.time + (floor + 1)) * frac + (float)param->getValueAtTime(p_Args.time + floor) * (1 - frac);
}
}
static int interpParam(OFX::ChoiceParam *param, const OFX::RenderArguments &p_Args, float offset)
{
float floor = std::floor(offset);
int value;
param->getValueAtTime(p_Args.time + floor, value);
return value;
}
void Reframe360::setupAndProcess(ImageScaler &p_ImageScaler, const OFX::RenderArguments &p_Args)
{
// Get the dst image
std::auto_ptr<OFX::Image> dst(m_DstClip->fetchImage(p_Args.time));
OFX::BitDepthEnum dstBitDepth = dst->getPixelDepth();
OFX::PixelComponentEnum dstComponents = dst->getPixelComponents();
// Get the src image
std::auto_ptr<OFX::Image> src(m_SrcClip->fetchImage(p_Args.time));
OFX::BitDepthEnum srcBitDepth = src->getPixelDepth();
OFX::PixelComponentEnum srcComponents = src->getPixelComponents();
// Check to see if the bit depth and number of components are the same
if ((srcBitDepth != dstBitDepth) || (srcComponents != dstComponents))
{
OFX::throwSuiteStatusException(kOfxStatErrValue);
}
float pitch = 0.0f, roll = 0.0f, yaw = 0.0f, fov = 1.0f,
pitch1 = 1.0f, yaw1 = 1.0f, roll1 = 0.0f, fov1 = 1.0f, tinyplanet1 = 1.0f, recti1 = 0.0f,
pitch2 = 1.0f, yaw2 = 1.0f, roll2 = 0.0f, fov2 = 1.0f, tinyplanet2 = 1.0f, recti2 = 0.0f,
blend = 0.0f;
int mb_inputFormat = interpParam(m_InputFormat, p_Args, 0);
// fprintf(stdout, "mb_InputFormat %d \n",mb_inputFormat);
int mb_samples = (int)m_Samples->getValueAtTime(p_Args.time);
float mb_shutter = (float)m_Shutter->getValueAtTime(p_Args.time);
int bilinear = m_Bilinear->getValueAtTime(p_Args.time);
int activeCam = m_ActiveCamera->getValueAtTime(p_Args.time) - 1;
int cam1 = static_cast<int>(getPreviousKeyframeValue(m_CameraSequence, p_Args.time)) - 1;
int cam2 = static_cast<int>(getNextKeyframeValue(m_CameraSequence, p_Args.time)) - 1;
bool showActiveCam = m_ShowActiveCamera->getValueAtTime(p_Args.time);
if (showActiveCam)
{
cam1 = activeCam;
}
float *fovs = (float *)malloc(sizeof(float) * mb_samples);
float *tinyplanets = (float *)malloc(sizeof(float) * mb_samples);
float *rectilinears = (float *)malloc(sizeof(float) * mb_samples);
float *rotmats = (float *)malloc(sizeof(float) * mb_samples * 9);
// Yaw needs to be inverted in multi threaded rendering... not sure why
bool invertYaw = !p_Args.isEnabledCudaRender && !p_Args.isEnabledOpenCLRender && !p_Args.isEnabledMetalRender;
for (int i = 0; i < mb_samples; i++)
{
float offset = 0;
if (mb_samples > 1)
{
offset = fitRange((float)i, 0, mb_samples - 1.0f, -1.0f, 1.0f);
}
offset *= mb_shutter / 360;
pitch = BlendParam(m_Pitch, p_Args, offset);
yaw = BlendParam(m_Yaw, p_Args, offset);
roll = BlendParam(m_Roll, p_Args, offset);
fov = BlendParam(m_Fov, p_Args, offset);
pitch1 = interpParam(m_Pitch2[cam1], p_Args, offset);
yaw1 = interpParam(m_Yaw2[cam1], p_Args, offset);
roll1 = interpParam(m_Roll2[cam1], p_Args, offset);
fov1 = interpParam(m_Fov2[cam1], p_Args, offset);
tinyplanet1 = interpParam(m_Tinyplanet2[cam1], p_Args, offset);
recti1 = interpParam(m_Recti2[cam1], p_Args, offset);
pitch2 = interpParam(m_Pitch2[cam2], p_Args, offset);
yaw2 = interpParam(m_Yaw2[cam2], p_Args, offset);
roll2 = interpParam(m_Roll2[cam2], p_Args, offset);
fov2 = interpParam(m_Fov2[cam2], p_Args, offset);
tinyplanet2 = interpParam(m_Tinyplanet2[cam2], p_Args, offset);
recti2 = interpParam(m_Recti2[cam2], p_Args, offset);
float camBlend = 0;
if (cam1 != cam2)
camBlend = getRelativeKeyframeAlpha(m_CameraSequence, p_Args.time, offset);
if (showActiveCam)
{
blend = 0;
}
else
{
blend = BlendFromAlpha(camBlend, p_Args, offset);
}
pitch = pitch1 + (pitch2 - pitch1) * blend + pitch;
yaw = yaw1 + (yaw2 - yaw1) * blend + yaw;
roll = roll1 + (roll2 - roll1) * blend + roll;
fov = (fov1 + (fov2 - fov1) * blend) * fov;
tinyplanet1 = tinyplanet1 + (tinyplanet2 - tinyplanet1) * blend;
recti1 = recti1 + (recti2 - recti1) * blend;
if (invertYaw)
{
yaw = -yaw;
}
float *pitchMat = (float *)calloc(9, sizeof(float));
pitchMatrix(-pitch / 180 * (float)M_PI, &pitchMat);
float *yawMat = (float *)calloc(9, sizeof(float));
yawMatrix(yaw / 180 * (float)M_PI, &yawMat);
float *rollMat = (float *)calloc(9, sizeof(float));
rollMatrix(-roll / 180 * (float)M_PI, &rollMat);
float *pitchRollMat = (float *)calloc(9, sizeof(float));
float *rotMat = (float *)calloc(9, sizeof(float));
matMul(pitchMat, rollMat, &pitchRollMat);
matMul(yawMat, pitchRollMat, &rotMat);
free(pitchMat);
free(yawMat);
free(rollMat);
memcpy(&(rotmats[i * 9]), rotMat, sizeof(float) * 9);
free(rotMat);
fovs[i] = static_cast<float>(fov);
tinyplanets[i] = static_cast<float>(tinyplanet1);
rectilinears[i] = static_cast<float>(recti1);
}
// Set the images
p_ImageScaler.setDstImg(dst.get());
p_ImageScaler.setSrcImg(src.get());
// Setup OpenCL and CUDA Render arguments
p_ImageScaler.setGPURenderArgs(p_Args);
// Set the render window
p_ImageScaler.setRenderWindow(p_Args.renderWindow);
// Set the scales
p_ImageScaler.setParams(mb_inputFormat, rotmats, fovs, tinyplanets, rectilinears, mb_samples, bilinear);
// Call the base class process member, this will call the derived templated process code
p_ImageScaler.process();
}
////////////////////////////////////////////////////////////////////////////////
using namespace OFX;
Reframe360Factory::Reframe360Factory()
: OFX::PluginFactoryHelper<Reframe360Factory>(kPluginIdentifier, kPluginVersionMajor, kPluginVersionMinor)
{
}
void Reframe360Factory::describe(OFX::ImageEffectDescriptor &p_Desc)
{
// Basic labels
p_Desc.setLabels(kPluginName, kPluginName, kPluginName);
p_Desc.setPluginGrouping(kPluginGrouping);
p_Desc.setPluginDescription(kPluginDescription);
// Add the supported contexts, only filter at the moment
p_Desc.addSupportedContext(eContextFilter);
p_Desc.addSupportedContext(eContextGeneral);
// Add supported pixel depths
p_Desc.addSupportedBitDepth(eBitDepthFloat);
// Set a few flags
p_Desc.setSingleInstance(false);
p_Desc.setHostFrameThreading(false);
p_Desc.setSupportsMultiResolution(kSupportsMultiResolution);
p_Desc.setSupportsTiles(kSupportsTiles);
p_Desc.setTemporalClipAccess(false);
p_Desc.setRenderTwiceAlways(false);
p_Desc.setSupportsMultipleClipPARs(kSupportsMultipleClipPARs);
// Setup OpenCL and CUDA render capability flags
p_Desc.setSupportsOpenCLRender(true);
#ifndef __APPLE__
p_Desc.setSupportsCudaRender(true);
#endif
#ifdef __APPLE__
p_Desc.setSupportsMetalRender(true);
#endif
}
static DoubleParamDescriptor *defineParam(OFX::ImageEffectDescriptor &p_Desc, const std::string &p_Name,
const std::string &p_Label,