321 lines
8.9 KiB
C++
321 lines
8.9 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2019 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "pixelservice.h"
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#include <QCoreApplication>
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#include <QDebug>
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#include <QFloat16>
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#include "common/define.h"
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PixelService::PixelService()
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{
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}
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PixelFormatInfo PixelService::GetPixelFormatInfo(const olive::PixelFormat &format)
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{
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PixelFormatInfo info;
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switch (format) {
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case olive::PIX_FMT_RGBA8:
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info.name = tr("8-bit");
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info.internal_format = GL_RGBA8;
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info.pixel_type = GL_UNSIGNED_BYTE;
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info.oiio_desc = OIIO::TypeDesc::UINT8;
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break;
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case olive::PIX_FMT_RGBA16U:
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info.name = tr("16-bit Integer");
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info.internal_format = GL_RGBA16;
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info.pixel_type = GL_UNSIGNED_SHORT;
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info.oiio_desc = OIIO::TypeDesc::UINT16;
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break;
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case olive::PIX_FMT_RGBA16F:
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info.name = tr("Half-Float (16-bit)");
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info.internal_format = GL_RGBA16F;
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info.pixel_type = GL_HALF_FLOAT;
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info.oiio_desc = OIIO::TypeDesc::HALF;
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break;
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case olive::PIX_FMT_RGBA32F:
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info.name = tr("Full-Float (32-bit)");
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info.internal_format = GL_RGBA32F;
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info.pixel_type = GL_FLOAT;
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info.oiio_desc = OIIO::TypeDesc::FLOAT;
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break;
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case olive::PIX_FMT_INVALID:
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case olive::PIX_FMT_COUNT:
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qFatal("Invalid pixel format requested");
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}
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info.pixel_format = GL_RGBA;
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info.bytes_per_pixel = BytesPerPixel(format);
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return info;
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}
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int PixelService::GetBufferSize(const olive::PixelFormat &format, const int &width, const int &height)
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{
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return BytesPerPixel(format) * width * height;
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}
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int PixelService::BytesPerPixel(const olive::PixelFormat &format)
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{
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return BytesPerChannel(format) * kRGBAChannels;
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}
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int PixelService::BytesPerChannel(const olive::PixelFormat &format)
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{
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switch (format) {
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case olive::PIX_FMT_RGBA8:
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return 1;
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case olive::PIX_FMT_RGBA16U:
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case olive::PIX_FMT_RGBA16F:
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return 2;
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case olive::PIX_FMT_RGBA32F:
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return 4;
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case olive::PIX_FMT_INVALID:
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case olive::PIX_FMT_COUNT:
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break;
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}
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qFatal("Invalid pixel format requested");
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}
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FramePtr PixelService::ConvertPixelFormat(FramePtr frame, const olive::PixelFormat &dest_format)
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{
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if (frame->format() == dest_format) {
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return frame;
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}
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// FIXME: It'd be nice if this was multithreaded soon
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FramePtr converted = Frame::Create();
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// Copy parameters
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converted->set_width(frame->width());
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converted->set_height(frame->height());
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converted->set_timestamp(frame->timestamp());
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converted->set_format(dest_format);
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converted->allocate();
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int pix_count = frame->width() * frame->height() * kRGBAChannels;
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bool valid = true;
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switch (static_cast<olive::PixelFormat>(frame->format())) {
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case olive::PIX_FMT_RGBA8:
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{
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uint8_t* source = frame->data();
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switch (dest_format) {
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case olive::PIX_FMT_RGBA16U: // 8-bit Integer -> 16-bit Integer
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{
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uint16_t* destination = reinterpret_cast<uint16_t*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = static_cast<uint16_t>(source[i] * 257);
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}
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break;
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}
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case olive::PIX_FMT_RGBA16F: // 8-bit Integer -> 16-bit Float
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{
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qfloat16* destination = reinterpret_cast<qfloat16*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = source[i] / 255.0f;
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}
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break;
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}
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case olive::PIX_FMT_RGBA32F: // 8-bit Integer -> 32-bit Float
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{
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float* destination = reinterpret_cast<float*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = source[i] / 255.0f;
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}
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break;
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}
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case olive::PIX_FMT_INVALID:
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case olive::PIX_FMT_RGBA8:
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case olive::PIX_FMT_COUNT:
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valid = false;
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}
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break;
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}
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case olive::PIX_FMT_RGBA16U:
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{
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uint16_t* source = reinterpret_cast<uint16_t*>(frame->data());
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switch (dest_format) {
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case olive::PIX_FMT_RGBA8: // 16-bit Integer -> 8-bit Integer
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{
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uint8_t* destination = converted->data();
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for (int i=0;i<pix_count;i++) {
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destination[i] = static_cast<uint8_t>(source[i] / 257);
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}
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break;
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}
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case olive::PIX_FMT_RGBA16F: // 16-bit Integer -> 16-bit Float
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{
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qfloat16* destination = reinterpret_cast<qfloat16*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = source[i] / 65535.0f;
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}
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break;
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}
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case olive::PIX_FMT_RGBA32F: // 16-bit Integer -> 32-bit Float
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{
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float* destination = reinterpret_cast<float*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = source[i] / 65535.0f;
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}
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break;
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}
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case olive::PIX_FMT_INVALID:
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case olive::PIX_FMT_RGBA16U:
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case olive::PIX_FMT_COUNT:
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valid = false;
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}
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break;
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}
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case olive::PIX_FMT_RGBA16F:
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{
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qfloat16* source = reinterpret_cast<qfloat16*>(frame->data());
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switch (dest_format) {
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case olive::PIX_FMT_RGBA8: // 16-bit Float -> 8-bit Integer
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{
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uint8_t* destination = converted->data();
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for (int i=0;i<pix_count;i++) {
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destination[i] = static_cast<uint8_t>(source[i] * 255.0f);
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}
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break;
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}
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case olive::PIX_FMT_RGBA16U: // 16-bit Float -> 16-bit Integer
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{
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uint16_t* destination = reinterpret_cast<uint16_t*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = static_cast<uint16_t>(source[i] * 65535.0f);
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}
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break;
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}
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case olive::PIX_FMT_RGBA32F: // 16-bit Float -> 32-bit Float
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{
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float* destination = reinterpret_cast<float*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = source[i];
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}
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break;
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}
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case olive::PIX_FMT_INVALID:
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case olive::PIX_FMT_RGBA16F:
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case olive::PIX_FMT_COUNT:
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valid = false;
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}
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break;
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}
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case olive::PIX_FMT_RGBA32F:
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{
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float* source = reinterpret_cast<float*>(frame->data());
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switch (dest_format) {
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case olive::PIX_FMT_RGBA8: // 32-bit Float -> 8-bit Integer
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{
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uint8_t* destination = converted->data();
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for (int i=0;i<pix_count;i++) {
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destination[i] = static_cast<uint8_t>(source[i] * 255.0f);
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}
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break;
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}
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case olive::PIX_FMT_RGBA16U: // 32-bit Float -> 16-bit Integer
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{
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uint16_t* destination = reinterpret_cast<uint16_t*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = static_cast<uint16_t>(source[i] * 255.0f);
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}
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break;
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}
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case olive::PIX_FMT_RGBA16F: // 32-bit Float -> 16-bit Float
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{
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qfloat16* destination = reinterpret_cast<qfloat16*>(converted->data());
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for (int i=0;i<pix_count;i++) {
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destination[i] = source[i];
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}
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break;
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}
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case olive::PIX_FMT_INVALID:
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case olive::PIX_FMT_RGBA32F:
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case olive::PIX_FMT_COUNT:
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valid = false;
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}
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break;
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}
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case olive::PIX_FMT_INVALID:
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case olive::PIX_FMT_COUNT:
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valid = false;
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}
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if (valid) {
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return converted;
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}
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qWarning() << tr("Invalid parameters called for pixel format conversion");
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return nullptr;
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}
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void PixelService::ConvertRGBtoRGBA(FramePtr frame)
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{
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olive::PixelFormat dest_format = static_cast<olive::PixelFormat>(frame->format());
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int rgb_pixel_size = BytesPerChannel(dest_format) * kRGBChannels;
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int rgb_frame_size = frame->width() * frame->height() * rgb_pixel_size;
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int rgb_iter = rgb_frame_size - rgb_pixel_size;
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int rgba_pixel_size = BytesPerChannel(dest_format) * kRGBAChannels;
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int rgba_frame_size = frame->width() * frame->height() * rgba_pixel_size;
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int rgba_iter = rgba_frame_size - rgba_pixel_size;
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// Work backwards to save time
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while (rgb_iter >= 0) {
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memcpy(&frame->data()[rgba_iter], &frame->data()[rgb_iter], static_cast<size_t>(rgb_pixel_size));
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uint8_t* alpha_ptr = &frame->data()[rgba_iter + rgb_pixel_size];
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// Write a full alpha value according to the format
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switch (dest_format) {
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case olive::PIX_FMT_RGBA8:
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*alpha_ptr = UINT8_MAX;
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break;
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case olive::PIX_FMT_RGBA16U:
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*reinterpret_cast<uint16_t*>(alpha_ptr) = UINT16_MAX;
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break;
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case olive::PIX_FMT_RGBA16F:
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*reinterpret_cast<qfloat16*>(alpha_ptr) = 1.0f;
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break;
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case olive::PIX_FMT_RGBA32F:
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*reinterpret_cast<float*>(alpha_ptr) = 1.0f;
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break;
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case olive::PIX_FMT_INVALID:
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case olive::PIX_FMT_COUNT:
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qFatal("Invalid pixel format requested");
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}
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rgb_iter -= rgb_pixel_size;
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rgba_iter -= rgba_pixel_size;
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}
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}
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