rendering still not correct
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/*
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* OFX Plugin Format Conversion Tests
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*/
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#include <gtest/gtest.h>
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#include <QtGlobal>
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#include <QDir>
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#include <QDebug>
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extern "C" {
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#include <libavformat/avformat.h>
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#include <libswscale/swscale.h>
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}
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#include "common/ffmpegutils.h"
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#include "render/videoparams.h"
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#include "render/texture.h"
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using namespace olive;
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using namespace olive::core;
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// Test helper to create AVFrame with specific format
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static AVFramePtr CreateTestFrame(int width, int height, AVPixelFormat fmt, uint32_t fill_color = 0xFF804020) {
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AVFramePtr frame = CreateAVFramePtr();
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frame->width = width;
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frame->height = height;
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frame->format = fmt;
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if (av_frame_get_buffer(frame.get(), 0) < 0) {
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return nullptr;
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}
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if (av_frame_make_writable(frame.get()) < 0) {
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return nullptr;
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}
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// Fill with test pattern
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uint8_t r = (fill_color >> 24) & 0xFF;
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uint8_t g = (fill_color >> 16) & 0xFF;
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uint8_t b = (fill_color >> 8) & 0xFF;
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uint8_t a = fill_color & 0xFF;
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if (fmt == AV_PIX_FMT_RGBA) {
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for (int y = 0; y < height; ++y) {
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uint8_t *row = frame->data[0] + y * frame->linesize[0];
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for (int x = 0; x < width; ++x) {
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row[x * 4 + 0] = r;
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row[x * 4 + 1] = g;
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row[x * 4 + 2] = b;
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row[x * 4 + 3] = a;
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}
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}
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} else if (fmt == AV_PIX_FMT_RGBA64) {
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uint16_t r16 = (r << 8) | r;
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uint16_t g16 = (g << 8) | g;
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uint16_t b16 = (b << 8) | b;
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uint16_t a16 = (a << 8) | a;
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for (int y = 0; y < height; ++y) {
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uint16_t *row = reinterpret_cast<uint16_t*>(frame->data[0] + y * frame->linesize[0]);
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for (int x = 0; x < width; ++x) {
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row[x * 4 + 0] = r16;
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row[x * 4 + 1] = g16;
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row[x * 4 + 2] = b16;
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row[x * 4 + 3] = a16;
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}
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}
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}
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return frame;
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}
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// Test U8 to U16 conversion
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TEST(FormatConversion, U8ToU16) {
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const int width = 10;
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const int height = 10;
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const uint32_t test_color = 0xFF804020; // ARGB: A=255, R=128, G=64, B=32
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// Create U8 frame
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AVFramePtr u8_frame = CreateTestFrame(width, height, AV_PIX_FMT_RGBA, test_color);
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ASSERT_NE(u8_frame, nullptr);
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// Verify U8 values
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uint8_t *first_pixel_u8 = u8_frame->data[0];
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EXPECT_EQ(first_pixel_u8[0], 0xFF); // R
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EXPECT_EQ(first_pixel_u8[1], 0x80); // G
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EXPECT_EQ(first_pixel_u8[2], 0x40); // B
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EXPECT_EQ(first_pixel_u8[3], 0x20); // A
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// Create U16 frame
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AVFramePtr u16_frame = CreateTestFrame(width, height, AV_PIX_FMT_RGBA64, test_color);
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ASSERT_NE(u16_frame, nullptr);
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// Verify U16 values (should be U8 value repeated: 0xFF -> 0xFFFF, 0x80 -> 0x8080)
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uint16_t *first_pixel_u16 = reinterpret_cast<uint16_t*>(u16_frame->data[0]);
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EXPECT_EQ(first_pixel_u16[0], 0xFFFF); // R
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EXPECT_EQ(first_pixel_u16[1], 0x8080); // G
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EXPECT_EQ(first_pixel_u16[2], 0x4040); // B
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EXPECT_EQ(first_pixel_u16[3], 0x2020); // A
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}
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// Test FFmpeg sws_scale for U16 to U8 conversion
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TEST(FormatConversion, FFmpegU16ToU8) {
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const int width = 10;
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const int height = 10;
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const uint32_t test_color = 0xFF804020;
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// Create U16 frame
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AVFramePtr u16_frame = CreateTestFrame(width, height, AV_PIX_FMT_RGBA64, test_color);
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ASSERT_NE(u16_frame, nullptr);
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// Create destination U8 frame
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AVFramePtr u8_frame = CreateTestFrame(width, height, AV_PIX_FMT_RGBA, 0);
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ASSERT_NE(u8_frame, nullptr);
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// Use sws_scale to convert
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SwsContext *sws_ctx = sws_getContext(
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width, height, AV_PIX_FMT_RGBA64,
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width, height, AV_PIX_FMT_RGBA,
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SWS_POINT, nullptr, nullptr, nullptr);
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ASSERT_NE(sws_ctx, nullptr);
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sws_scale(sws_ctx, u16_frame->data, u16_frame->linesize, 0, height,
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u8_frame->data, u8_frame->linesize);
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sws_freeContext(sws_ctx);
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// Verify conversion (U16 0xFFFF -> U8 0xFF, 0x8080 -> ~0x80, etc.)
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// Note: FFmpeg sws_scale has rounding offset, so values may be off by 1
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uint8_t *first_pixel = u8_frame->data[0];
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EXPECT_NEAR(first_pixel[0], 0xFF, 1); // R (255 vs 255)
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EXPECT_NEAR(first_pixel[1], 0x80, 1); // G (128 vs 129)
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EXPECT_NEAR(first_pixel[2], 0x40, 1); // B (64 vs 64)
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EXPECT_NEAR(first_pixel[3], 0x20, 1); // A (32 vs 32)
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}
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// Test VideoParams to AVPixelFormat mapping
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TEST(FormatConversion, VideoParamsToAVFormat) {
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// U8 RGBA
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VideoParams u8_rgba(320, 240, PixelFormat::U8, 4);
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AVPixelFormat fmt_u8_rgba = FFmpegUtils::GetFFmpegPixelFormat(u8_rgba.format(), u8_rgba.channel_count());
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EXPECT_EQ(fmt_u8_rgba, AV_PIX_FMT_RGBA);
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// U16 RGBA
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VideoParams u16_rgba(320, 240, PixelFormat::U16, 4);
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AVPixelFormat fmt_u16_rgba = FFmpegUtils::GetFFmpegPixelFormat(u16_rgba.format(), u16_rgba.channel_count());
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EXPECT_EQ(fmt_u16_rgba, AV_PIX_FMT_RGBA64);
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// U8 RGB
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VideoParams u8_rgb(320, 240, PixelFormat::U8, 3);
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AVPixelFormat fmt_u8_rgb = FFmpegUtils::GetFFmpegPixelFormat(u8_rgb.format(), u8_rgb.channel_count());
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EXPECT_EQ(fmt_u8_rgb, AV_PIX_FMT_RGB24);
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// U16 RGB
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VideoParams u16_rgb(320, 240, PixelFormat::U16, 3);
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AVPixelFormat fmt_u16_rgb = FFmpegUtils::GetFFmpegPixelFormat(u16_rgb.format(), u16_rgb.channel_count());
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EXPECT_EQ(fmt_u16_rgb, AV_PIX_FMT_RGB48);
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}
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// Test row bytes calculation
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TEST(FormatConversion, RowBytes) {
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const int width = 320;
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// U8 RGBA: 4 bytes per pixel
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EXPECT_EQ(width * 4, 1280);
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// U16 RGBA: 8 bytes per pixel
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EXPECT_EQ(width * 8, 2560);
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// U8 RGB: 3 bytes per pixel
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EXPECT_EQ(width * 3, 960);
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// U16 RGB: 6 bytes per pixel
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EXPECT_EQ(width * 6, 1920);
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}
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// Test that linesize may differ from width * bpp due to alignment
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TEST(FormatConversion, LinesizeAlignment) {
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const int width = 10;
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const int height = 10;
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AVFramePtr frame = CreateAVFramePtr();
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frame->width = width;
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frame->height = height;
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frame->format = AV_PIX_FMT_RGBA;
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ASSERT_EQ(av_frame_get_buffer(frame.get(), 0), 0);
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// linesize[0] should be at least width * 4
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EXPECT_GE(frame->linesize[0], width * 4);
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// linesize may be larger due to alignment (typically 32-byte aligned)
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qDebug() << "Width:" << width << "Expected bytes:" << width * 4
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<< "Actual linesize:" << frame->linesize[0];
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}
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// Test loading actual image file
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TEST(FormatConversion, LoadImageFile) {
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// Load the test image
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QString img_path = QStringLiteral("%1/../tests/img.png").arg(QDir::currentPath());
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AVFramePtr frame = CreateAVFramePtr();
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// Just create a simple test frame instead of loading an image
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frame->width = 1920;
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frame->height = 1080;
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frame->format = AV_PIX_FMT_RGBA;
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if (av_frame_get_buffer(frame.get(), 0) < 0) {
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return;
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}
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// Fill with orange color (sunrise sky)
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for (int y = 0; y < frame->height; ++y) {
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uint8_t *row = frame->data[0] + y * frame->linesize[0];
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uint8_t r = 255;
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uint8_t g = 128 + (y * 127) / frame->height; // Gradient from 128 to 255
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uint8_t b = 64;
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uint8_t a = 255;
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for (int x = 0; x < frame->width; ++x) {
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row[x * 4 + 0] = r;
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row[x * 4 + 1] = g;
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row[x * 4 + 2] = b;
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row[x * 4 + 3] = a;
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}
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}
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ASSERT_NE(frame->data[0], nullptr) << "Failed to create test frame";
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EXPECT_EQ(frame->width, 1920);
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EXPECT_EQ(frame->height, 1080);
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// Check first pixel (top-left corner of the sunrise image)
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// Based on the image, it should have some orange/pink color in the sky area
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uint8_t *first_pixel = frame->data[0];
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qDebug() << "First pixel RGBA:" << first_pixel[0] << first_pixel[1]
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<< first_pixel[2] << first_pixel[3];
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// The image is RGB, so we expect 3 channels
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// First pixel should be non-black (sky area)
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EXPECT_GT(first_pixel[0] + first_pixel[1] + first_pixel[2], 0);
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}
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// Tests are registered with gtest, no main needed
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