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Converting RGB8888 to ARGB32_Premultiplied (for performance reasons)

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This commit is contained in:
Jonathan Thomas
2020-10-13 18:18:10 -05:00
committed by FeRD (Frank Dana)
parent ab4916247b
commit 096c2c409d
9 changed files with 20 additions and 29 deletions
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2
src/CacheDisk.cpp
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@@ -235,7 +235,7 @@ std::shared_ptr<Frame> CacheDisk::GetFrame(int64_t frame_number)
image->load(frame_path);
// Set pixel formatimage->
image = std::make_shared<QImage>(image->convertToFormat(QImage::Format_RGBA8888));
image = std::make_shared<QImage>(image->convertToFormat(QImage::Format_ARGB32_Premultiplied));
// Create frame object
auto frame = std::make_shared<Frame>();

4
src/FFmpegReader.cpp
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@@ -1342,7 +1342,7 @@ void FFmpegReader::ProcessVideoPacket(int64_t requested_frame) {
scale_mode = SWS_BICUBIC;
}
SwsContext *img_convert_ctx = sws_getContext(info.width, info.height, AV_GET_CODEC_PIXEL_FORMAT(pStream, pCodecCtx), width,
height, PIX_FMT_RGBA, scale_mode, NULL, NULL, NULL);
height, AV_PIX_FMT_RGB32, scale_mode, NULL, NULL, NULL);
// Resize / Convert to RGB
sws_scale(img_convert_ctx, my_frame->data, my_frame->linesize, 0,
@@ -1352,7 +1352,7 @@ void FFmpegReader::ProcessVideoPacket(int64_t requested_frame) {
std::shared_ptr<Frame> f = CreateFrame(current_frame);
// Add Image data to frame
f->AddImage(width, height, 4, QImage::Format_RGBA8888, buffer);
f->AddImage(width, height, 4, QImage::Format_ARGB32_Premultiplied, buffer);
// Update working cache
working_cache.Add(f);

26
src/Frame.cpp
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@@ -221,8 +221,7 @@ std::shared_ptr<QImage> Frame::GetWaveform(int width, int height, int Red, int G
}
// Create blank image
wave_image = std::make_shared<QImage>(
total_width, total_height, QImage::Format_RGBA8888);
wave_image = std::make_shared<QImage>(total_width, total_height, QImage::Format_ARGB32_Premultiplied);
wave_image->fill(QColor(0,0,0,0));
// Load QPainter with wave_image device
@@ -253,7 +252,7 @@ std::shared_ptr<QImage> Frame::GetWaveform(int width, int height, int Red, int G
else
{
// No audio samples present
wave_image = std::make_shared<QImage>(width, height, QImage::Format_RGBA8888);
wave_image = std::make_shared<QImage>(width, height, QImage::Format_ARGB32_Premultiplied);
wave_image->fill(QColor(QString::fromStdString("#000000")));
}
@@ -614,7 +613,7 @@ void Frame::Thumbnail(std::string path, int new_width, int new_height, std::stri
// Create blank thumbnail image & fill background color
auto thumbnail = std::make_shared<QImage>(
new_width, new_height, QImage::Format_RGBA8888);
new_width, new_height, QImage::Format_ARGB32_Premultiplied);
thumbnail->fill(QColor(QString::fromStdString(background_color)));
// Create painter
@@ -676,7 +675,7 @@ void Frame::Thumbnail(std::string path, int new_width, int new_height, std::stri
// Set pixel format
overlay = std::make_shared<QImage>(
overlay->convertToFormat(QImage::Format_RGBA8888));
overlay->convertToFormat(QImage::Format_ARGB32_Premultiplied));
// Resize to fit
overlay = std::make_shared<QImage>(overlay->scaled(
@@ -696,7 +695,7 @@ void Frame::Thumbnail(std::string path, int new_width, int new_height, std::stri
// Set pixel format
mask = std::make_shared<QImage>(
mask->convertToFormat(QImage::Format_RGBA8888));
mask->convertToFormat(QImage::Format_ARGB32_Premultiplied));
// Resize to fit
mask = std::make_shared<QImage>(mask->scaled(
@@ -753,7 +752,7 @@ void Frame::AddColor(int new_width, int new_height, std::string new_color)
const GenericScopedLock<juce::CriticalSection> lock(addingImageSection);
#pragma omp critical (AddImage)
{
image = std::make_shared<QImage>(new_width, new_height, QImage::Format_RGBA8888);
image = std::make_shared<QImage>(new_width, new_height, QImage::Format_ARGB32_Premultiplied);
// Fill with solid color
image->fill(QColor(QString::fromStdString(color)));
@@ -805,9 +804,9 @@ void Frame::AddImage(std::shared_ptr<QImage> new_image)
{
image = new_image;
// Always convert to RGBA8888 (if different)
if (image->format() != QImage::Format_RGBA8888)
*image = image->convertToFormat(QImage::Format_RGBA8888);
// Always convert to Format_ARGB32_Premultiplied (if different)
if (image->format() != QImage::Format_ARGB32_Premultiplied)
*image = image->convertToFormat(QImage::Format_ARGB32_Premultiplied);
// Update height and width
width = image->width();
@@ -836,9 +835,8 @@ void Frame::AddImage(std::shared_ptr<QImage> new_image, bool only_odd_lines)
if (image == new_image || image->size() != new_image->size()) {
ret = true;
}
else if (new_image->format() != image->format()) {
new_image = std::make_shared<QImage>(
new_image->convertToFormat(image->format()));
else if (new_image->format() != QImage::Format_ARGB32_Premultiplied) {
new_image = std::make_shared<QImage>(new_image->convertToFormat(QImage::Format_ARGB32_Premultiplied));
}
}
if (ret) {
@@ -979,7 +977,7 @@ void Frame::AddMagickImage(std::shared_ptr<Magick::Image> new_image)
// Create QImage of frame data
image = std::make_shared<QImage>(
qbuffer, width, height, width * BPP, QImage::Format_RGBA8888,
qbuffer, width, height, width * BPP, QImage::Format_ARGB32_Premultiplied,
(QImageCleanupFunction) &cleanUpBuffer, (void*) qbuffer);
// Update height and width

2
src/QtHtmlReader.cpp
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@@ -62,7 +62,7 @@ void QtHtmlReader::Open()
if (!is_open)
{
// create image
image = std::make_shared<QImage>(width, height, QImage::Format_RGBA8888);
image = std::make_shared<QImage>(width, height, QImage::Format_ARGB32_Premultiplied);
image->fill(QColor(background_color.c_str()));
//start painting

7
src/QtImageReader.cpp
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@@ -98,10 +98,6 @@ void QtImageReader::Open()
throw InvalidFile("File could not be opened.", path.toStdString());
}
// Convert to proper format
image = std::make_shared<QImage>(
image->convertToFormat(QImage::Format_RGBA8888));
// Update image properties
info.has_audio = false;
info.has_video = true;
@@ -255,9 +251,6 @@ std::shared_ptr<Frame> QtImageReader::GetFrame(int64_t requested_frame)
max_width, max_height, Qt::KeepAspectRatio, Qt::SmoothTransformation));
}
cached_image = std::make_shared<QImage>(
cached_image->convertToFormat(QImage::Format_RGBA8888));
// Set max size (to later determine if max_size is changed)
max_size.setWidth(max_width);
max_size.setHeight(max_height);

2
src/QtTextReader.cpp
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@@ -67,7 +67,7 @@ void QtTextReader::Open()
if (!is_open)
{
// create image
image = std::make_shared<QImage>(width, height, QImage::Format_RGBA8888);
image = std::make_shared<QImage>(width, height, QImage::Format_ARGB32_Premultiplied);
image->fill(QColor(background_color.c_str()));
QPainter painter;

2
src/effects/Bars.cpp
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@@ -69,7 +69,7 @@ std::shared_ptr<Frame> Bars::GetFrame(std::shared_ptr<Frame> frame, int64_t fram
// Get bar color (and create small color image)
auto tempColor = std::make_shared<QImage>(
frame_image->width(), 1, QImage::Format_RGBA8888);
frame_image->width(), 1, QImage::Format_ARGB32_Premultiplied);
tempColor->fill(QColor(QString::fromStdString(color.GetColorHex(frame_number))));
// Get current keyframe values

2
src/effects/Crop.cpp
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@@ -69,7 +69,7 @@ std::shared_ptr<Frame> Crop::GetFrame(std::shared_ptr<Frame> frame, int64_t fram
// Get transparent color (and create small transparent image)
auto tempColor = std::make_shared<QImage>(
frame_image->width(), 1, QImage::Format_RGBA8888);
frame_image->width(), 1, QImage::Format_ARGB32_Premultiplied);
tempColor->fill(QColor(QString::fromStdString("transparent")));
// Get current keyframe values

2
src/effects/Deinterlace.cpp
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@@ -73,7 +73,7 @@ std::shared_ptr<Frame> Deinterlace::GetFrame(std::shared_ptr<Frame> frame, int64
const unsigned char* pixels = image->bits();
// Create a smaller, new image
QImage deinterlaced_image(image->width(), image->height() / 2, QImage::Format_RGBA8888);
QImage deinterlaced_image(image->width(), image->height() / 2, QImage::Format_ARGB32_Premultiplied);
const unsigned char* deinterlaced_pixels = deinterlaced_image.bits();
// Loop through the scanlines of the image (even or odd)