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[feat] add native Metal video rendering for Slint on macOS

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This commit is contained in:
dijunkun
2026-08-25 00:41:18 +08:00
parent 3f93dc05aa
commit 29aae747c6
18 changed files with 2193 additions and 431 deletions
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src/gui/runtime/peer_event_handler.cpp
+38
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@@ -10,11 +10,15 @@
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include "device_controller.h"
#include "file_transfer.h"
#include "localization.h"
#include "platform.h"
#ifdef __APPLE__
#include "platform/metal_video_renderer.h"
#endif
#include "rd_log.h"
#include "runtime/gui_runtime.h"
#include "runtime/remote_action_codec.h"
@@ -312,16 +316,50 @@ void PeerEventHandler::OnConnectionStatus(ConnectionStatus status,
props->enable_mouse_control_ = false;
runtime->ResetRemoteServiceStatus(*props);
#ifdef __APPLE__
std::shared_ptr<std::vector<unsigned char>> metal_snapshot;
int metal_snapshot_width = 0;
int metal_snapshot_height = 0;
bool needs_metal_snapshot = false;
{
std::lock_guard<std::mutex> lock(props->video_frame_mutex_);
needs_metal_snapshot = !props->thumbnail_frame_ ||
props->thumbnail_frame_->empty();
}
if (needs_metal_snapshot && runtime->mac_metal_video_renderer_) {
auto snapshot = std::make_shared<std::vector<unsigned char>>();
if (runtime->mac_metal_video_renderer_->CopyLatestNv12(
remote_id, snapshot.get(), &metal_snapshot_width,
&metal_snapshot_height)) {
metal_snapshot = std::move(snapshot);
}
}
#endif
{
std::lock_guard<std::mutex> lock(props->video_frame_mutex_);
props->front_frame_.reset();
props->back_frame_.reset();
#ifdef __APPLE__
if (metal_snapshot &&
(!props->thumbnail_frame_ || props->thumbnail_frame_->empty())) {
props->thumbnail_frame_ = std::move(metal_snapshot);
props->thumbnail_width_ = metal_snapshot_width;
props->thumbnail_height_ = metal_snapshot_height;
}
#endif
props->video_width_ = 0;
props->video_height_ = 0;
props->video_size_ = 0;
props->render_rect_dirty_ = true;
props->stream_cleanup_pending_ = true;
}
#ifdef __APPLE__
if (runtime->mac_metal_video_renderer_) {
runtime->mac_metal_video_renderer_->DiscardStream(remote_id);
runtime->video_frame_dirty_.store(true,
std::memory_order_release);
}
#endif
runtime->focus_on_stream_window_ = false;