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[feat] save thumbnail as black picture if have not received a full frame

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This commit is contained in:
dijunkun
2025-04-16 16:47:30 +08:00
parent 22aed6ea53
commit 9705374b9a
2 changed files with 27 additions and 21 deletions
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2
src/single_window/render.cpp
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@@ -999,12 +999,10 @@ void Render::ProcessSdlEvent() {
DestroyStreamWindowContext();
for (auto& [host_name, props] : client_properties_) {
if (props->dst_buffer_) {
thumbnail_->SaveToThumbnail(
(char*)props->dst_buffer_, props->video_width_,
props->video_height_, host_name, props->remote_host_name_,
props->remember_password_ ? props->remote_password_ : "");
}
if (props->peer_) {
std::string client_id = (host_name == client_id_)

10
src/single_window/thumbnail.cpp
View File

@@ -143,6 +143,14 @@ int Thumbnail::SaveToThumbnail(const char* yuv420p, int width, int height,
if (yuv420p) {
ScaleYUV420pToABGR((char*)yuv420p, width, height, thumbnail_width_,
thumbnail_height_, rgba_buffer_);
} else {
// If yuv420p is null, fill the buffer with black pixels
memset(rgba_buffer_, 0x00, thumbnail_width_ * thumbnail_height_ * 4);
for (int i = 0; i < thumbnail_width_ * thumbnail_height_; ++i) {
// Set alpha channel to opaque
rgba_buffer_[i * 4 + 3] = 0xFF;
}
}
std::string image_name;
if (password.empty()) {
@@ -159,7 +167,7 @@ int Thumbnail::SaveToThumbnail(const char* yuv420p, int width, int height,
std::string file_path = image_path_ + ciphertext;
stbi_write_png(file_path.data(), thumbnail_width_, thumbnail_height_, 4,
rgba_buffer_, thumbnail_width_ * 4);
}
return 0;
}