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VNC-151 Use arena

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El 2026-04-16 09:31:49 +00:00
parent 2f78558fea
commit b6eb3b703e
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2 changed files with 17 additions and 12 deletions
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23
common/rfb/encoders/ScreenEncoderManager.cxx
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@ -38,6 +38,7 @@ namespace rfb {
base_video_encoder(encoder),
available_encoders(encoders) {
screens_to_refresh.reserve(T);
arena.initialize(MAX_SCREENS);
}
template<uint8_t T>
@ -219,16 +220,20 @@ namespace rfb {
if (screens_to_refresh.size() > 1) {
tbb::task_group_context ctx;
tbb::parallel_for_each(screens_to_refresh.begin(), screens_to_refresh.end(), [this, pb, &ctx, forceKeyFrame](uint8_t index) {
if (ctx.is_group_execution_cancelled())
return;
arena.execute([&] {
tbb::parallel_for_each(screens_to_refresh.begin(),
screens_to_refresh.end(),
[this, pb, &ctx, forceKeyFrame](uint8_t index) {
if (ctx.is_group_execution_cancelled())
return;
auto &screen = screens[index];
if (auto *encoder = screen.encoder; encoder) {
screen.dirty = encoder->render(pb, forceKeyFrame);
if (!screen.dirty)
ctx.cancel_group_execution();
}
auto &screen = screens[index];
if (auto *encoder = screen.encoder; encoder) {
screen.dirty = encoder->render(pb, forceKeyFrame);
if (!screen.dirty)
ctx.cancel_group_execution();
}
});
});
if (ctx.is_group_execution_cancelled())

6
common/rfb/encoders/ScreenEncoderManager.h
View file

@ -16,14 +16,14 @@
* USA.
*/
#pragma once
#include <tbb/spin_mutex.h>
#include <tbb/task_arena.h>
#include <vector>
#include "KasmVideoConstants.h"
#include "VideoEncoder.h"
#include "rfb/Encoder.h"
#include "rfb/ffmpeg.h"
inline constexpr uint8_t MAX_SCREENS = 8;
inline constexpr uint8_t MAX_SCREENS = 4;
namespace rfb {
template<uint8_t T = MAX_SCREENS>
@ -41,9 +41,9 @@ namespace rfb {
uint64_t mask{};
std::vector<uint8_t> screens_to_refresh;
tbb::spin_mutex conn_mutex;
std::array<screen_t, T> screens{};
tbb::task_arena arena;
const FFmpeg &ffmpeg;
VideoEncoderParams current_params;