Implement multi-input OFX clip wiring and texture handling

Store PluginJob input values for lookup
Add per-clip texture inputs on plugin nodes
Map input clips to textures during render (with Source fallback)
This commit is contained in:
2026-01-04 22:30:41 +08:00
parent 7c0f37b0a7
commit f191486375
31 changed files with 1147 additions and 130 deletions
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/*
* Olive Community Edition - Non-Linear Video Editor
* Copyright (C) 2026 Olive CE Team
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "image.h"
#include "ofxImageEffect.h"
#include <algorithm>
namespace olive {
namespace plugin {
static const char *PixelDepthToOfx(core::PixelFormat format)
{
switch (format) {
case core::PixelFormat::U8:
return kOfxBitDepthByte;
case core::PixelFormat::U16:
return kOfxBitDepthShort;
case core::PixelFormat::F16:
return kOfxBitDepthHalf;
case core::PixelFormat::F32:
return kOfxBitDepthFloat;
case core::PixelFormat::INVALID:
case core::PixelFormat::COUNT:
break;
}
return kOfxBitDepthNone;
}
static const char *ComponentsToOfx(int channel_count)
{
switch (channel_count) {
case 1:
return kOfxImageComponentAlpha;
case 3:
return kOfxImageComponentRGB;
case 4:
return kOfxImageComponentRGBA;
default:
break;
}
return kOfxImageComponentNone;
}
Image::Image(OFX::Host::ImageEffect::ClipInstance &clip_instance)
: OFX::Host::ImageEffect::Image(clip_instance)
, width_(0)
, height_(0)
, format_(core::PixelFormat::INVALID)
, premultiplied_alpha_(false)
, channel_count_(0)
, row_bytes_(0)
, bounds_{0, 0, 0, 0}
, rod_{0, 0, 0, 0}
{
}
Image::Image(OFX::Host::ImageEffect::ClipInstance &clip_instance,
const VideoParams &params,
const OfxRectI &bounds,
const OfxRectI &rod,
bool clear)
: OFX::Host::ImageEffect::Image(clip_instance)
, width_(0)
, height_(0)
, format_(core::PixelFormat::INVALID)
, premultiplied_alpha_(false)
, channel_count_(0)
, row_bytes_(0)
, bounds_{0, 0, 0, 0}
, rod_{0, 0, 0, 0}
{
AllocateFromParams(params, bounds, rod, clear);
}
Image::~Image()
{
}
void Image::AllocateFromParams(const VideoParams &params,
const OfxRectI &bounds,
const OfxRectI &rod,
bool clear)
{
Allocate(bounds.x2 - bounds.x1,
bounds.y2 - bounds.y1,
params.format(),
params.channel_count(),
params.premultiplied_alpha(),
bounds,
rod,
clear);
}
void Image::EnsureAllocatedFromParams(const VideoParams &params,
const OfxRectI &bounds,
const OfxRectI &rod,
bool clear)
{
bool same = (width_ == bounds.x2 - bounds.x1) &&
(height_ == bounds.y2 - bounds.y1) &&
(format_ == params.format()) &&
(channel_count_ == params.channel_count()) &&
(premultiplied_alpha_ == params.premultiplied_alpha()) &&
(bounds_.x1 == bounds.x1) && (bounds_.y1 == bounds.y1) &&
(bounds_.x2 == bounds.x2) && (bounds_.y2 == bounds.y2) &&
(rod_.x1 == rod.x1) && (rod_.y1 == rod.y1) &&
(rod_.x2 == rod.x2) && (rod_.y2 == rod.y2);
if (!same) {
AllocateFromParams(params, bounds, rod, clear);
} else if (clear && !image_.empty()) {
std::fill(image_.begin(), image_.end(), 0);
}
}
void Image::Allocate(int width,
int height,
core::PixelFormat format,
int channel_count,
bool premultiplied_alpha,
const OfxRectI &bounds,
const OfxRectI &rod,
bool clear)
{
width_ = width;
height_ = height;
format_ = format;
channel_count_ = channel_count;
premultiplied_alpha_ = premultiplied_alpha;
bounds_ = bounds;
rod_ = rod;
int bytes_per_component = format_.byte_count();
row_bytes_ = width_ * channel_count_ * bytes_per_component;
int buffer_size = row_bytes_ * height_;
if (buffer_size < 0) {
buffer_size = 0;
}
image_.resize(static_cast<size_t>(buffer_size));
if (clear && !image_.empty()) {
std::fill(image_.begin(), image_.end(), 0);
}
setPointerProperty(kOfxImagePropData, image_.data());
setIntProperty(kOfxImagePropRowBytes, row_bytes_);
setIntProperty(kOfxImagePropBounds, bounds.x1, 0);
setIntProperty(kOfxImagePropBounds, bounds.y1, 1);
setIntProperty(kOfxImagePropBounds, bounds.x2, 2);
setIntProperty(kOfxImagePropBounds, bounds.y2, 3);
setIntProperty(kOfxImagePropRegionOfDefinition, rod.x1, 0);
setIntProperty(kOfxImagePropRegionOfDefinition, rod.y1, 1);
setIntProperty(kOfxImagePropRegionOfDefinition, rod.x2, 2);
setIntProperty(kOfxImagePropRegionOfDefinition, rod.y2, 3);
setStringProperty(kOfxImageEffectPropComponents,
ComponentsToOfx(channel_count_));
setStringProperty(kOfxImageEffectPropPixelDepth,
PixelDepthToOfx(format_));
setStringProperty(kOfxImageEffectPropPreMultiplication,
premultiplied_alpha_ ? kOfxImagePreMultiplied
: kOfxImageUnPreMultiplied);
}
core::PixelFormat Image::pixel_format()
{
if (format_ != core::PixelFormat::INVALID) {
return format_;
}
std::string type = getStringProperty(kOfxImageEffectPropPixelDepth);
if (type == kOfxBitDepthByte) {
format_ = core::PixelFormat::U8;
} else if (type == kOfxBitDepthShort) {
format_ = core::PixelFormat::U16;
} else if (type == kOfxBitDepthHalf) {
format_ = core::PixelFormat::F16;
} else if (type == kOfxBitDepthFloat) {
format_ = core::PixelFormat::F32;
} else {
format_ = core::PixelFormat::INVALID;
}
return format_;
}
bool Image::premultiplied_alpha()
{
std::string premultiplied =
getStringProperty(kOfxImageEffectPropPreMultiplication);
premultiplied_alpha_ = (premultiplied == kOfxImagePreMultiplied);
return premultiplied_alpha_;
}
int Image::width()
{
int bounds[4] = {0};
getIntPropertyN(kOfxImagePropBounds, bounds, 4);
width_ = bounds[2] - bounds[0];
return width_;
}
int Image::height()
{
int bounds[4] = {0};
getIntPropertyN(kOfxImagePropBounds, bounds, 4);
height_ = bounds[3] - bounds[1];
return height_;
}
int Image::channel_count()
{
std::string type = getStringProperty(kOfxImageEffectPropComponents);
if (type == kOfxImageComponentAlpha) {
channel_count_ = 1;
} else if (type == kOfxImageComponentRGBA) {
channel_count_ = 4;
} else if (type == kOfxImageComponentRGB) {
channel_count_ = 3;
} else {
channel_count_ = 0;
}
return channel_count_;
}
} // namespace plugin
} // namespace olive