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Memory management improv.

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Totoo
2026-04-30 15:00:19 +02:00
committed by GitHub
parent ab986a0378
commit 2bacbc80a8
26 changed files with 365 additions and 410 deletions
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firmware/application/external/analogtv/ui_tv.cpp
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+29 -25
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@@ -131,35 +131,39 @@ void TVView::on_channel_spectrum(
// I was hoping that by doing this, I can have a longer buffer like 39936, then the frame will looks better vertically
// however this is useless until now.
for (size_t i = 0; i < 256; i++) {
// video_buffer[i+count*256] = spectrum_rgb4_lut[spectrum.db[i]];
video_buffer_int[i + count * 256] = 255 - spectrum.db[i];
// Left the original comment, but rewrote the function.
// Shift the last 128 pixels of the previous packet to the front
// This overlap handles an x_correction shift of up to 128 pixels seamlessly.
for (size_t i = 0; i < 128; i++) {
window_buffer[i] = window_buffer[i + 256];
}
count = count + 1;
if (count == 52 - 1) {
ui::Color line_buffer[128];
Coord line;
uint32_t bmp_px;
/*for (line = 0; line < 104; line++)
{
for (bmp_px = 0; bmp_px < 128; bmp_px++)
{
//line_buffer[bmp_px] = video_buffer[bmp_px+line*128];
line_buffer[bmp_px] = spectrum_rgb4_lut[video_buffer_int[bmp_px+line*128 + x_correction]];
}
// Load the new 256 pixels into the remainder of the buffer
for (size_t i = 0; i < 256; i++) {
window_buffer[i + 128] = 255 - spectrum.db[i];
}
display.render_line({ 0, line + 100 }, 128, line_buffer);
}*/
for (line = 0; line < 208; line = line + 2) {
for (bmp_px = 0; bmp_px < 128; bmp_px++) {
// line_buffer[bmp_px] = video_buffer[bmp_px+line*128];
line_buffer[bmp_px] = spectrum_rgb4_lut[video_buffer_int[bmp_px + line / 2 * 128 + x_correction]];
}
ui::Color line_buffer[128];
display.render_line({0, line + 100}, 128, line_buffer);
display.render_line({0, line + 101}, 128, line_buffer);
}
// Render the first line of this batch (matches original doubled-height behavior)
for (size_t bmp_px = 0; bmp_px < 128; bmp_px++) {
line_buffer[bmp_px] = spectrum_rgb4_lut[window_buffer[bmp_px + x_correction]];
}
display.render_line({0, (Coord)(count * 4 + 100)}, 128, line_buffer);
display.render_line({0, (Coord)(count * 4 + 101)}, 128, line_buffer);
// Render the second line of this batch
for (size_t bmp_px = 0; bmp_px < 128; bmp_px++) {
line_buffer[bmp_px] = spectrum_rgb4_lut[window_buffer[bmp_px + 128 + x_correction]];
}
display.render_line({0, (Coord)(count * 4 + 102)}, 128, line_buffer);
display.render_line({0, (Coord)(count * 4 + 103)}, 128, line_buffer);
count++;
// Reset at 52 (52 * 2 lines = 104 lines total)
if (count >= 52) {
count = 0;
}
}