fix: fixed namespace conflicts for VideoFrame/KeyProviderOptions.

examples/simple_room/fallback_capture.cpp

@@ -68,7 +68,7 @@ void runNoiseCaptureLoop(const std::shared_ptr<AudioSource> &source,
 // Fake video source: solid color cycling
 void runFakeVideoCaptureLoop(const std::shared_ptr<VideoSource> &source,
                              std::atomic<bool> &running_flag) {
-  auto frame = LKVideoFrame::create(1280, 720, VideoBufferType::BGRA);
+  auto frame = VideoFrame::create(1280, 720, VideoBufferType::BGRA);
   const double framerate = 1.0 / 30.0;
 
   while (running_flag.load(std::memory_order_relaxed)) {

examples/simple_room/sdl_media_manager.cpp

@@ -174,7 +174,7 @@ bool SDLMediaManager::startCamera(
       [src = cam_source_](const uint8_t *pixels, int pitch, int width,
                           int height, SDL_PixelFormat /*fmt*/,
                           Uint64 timestampNS) {
-        auto frame = LKVideoFrame::create(width, height, VideoBufferType::RGBA);
+        auto frame = VideoFrame::create(width, height, VideoBufferType::RGBA);
         uint8_t *dst = frame.data();
         const int dstPitch = width * 4;
 

examples/simple_room/sdl_video_renderer.cpp

@@ -103,7 +103,7 @@ void SDLVideoRenderer::render() {
     return;
   }
 
-  livekit::LKVideoFrame &frame = vfe.frame;
+  livekit::VideoFrame &frame = vfe.frame;
 
   // 4) Ensure the frame is RGBA.
   //    Ideally you requested RGBA from VideoStream::Options so this is a no-op.

include/livekit/e2ee.h

@@ -47,7 +47,7 @@ inline constexpr int kDefaultFailureTolerance = -1;
  * - `ratchet_window_size` and `failure_tolerance` use SDK defaults unless
  * overridden.
  */
-struct EncryptionKeyProviderOptions {
+struct KeyProviderOptions {
   /// Shared static key for "shared-key E2EE" (optional).
   ///
   /// If set, it must be identical (byte-for-byte) across all participants
@@ -85,7 +85,7 @@ struct EncryptionKeyProviderOptions {
  *   per-participant).
  */
 struct E2EEOptions {
-  EncryptionKeyProviderOptions key_provider_options{};
+  KeyProviderOptions key_provider_options{};
   EncryptionType encryption_type = EncryptionType::GCM; // default & recommended
 };
 
@@ -124,7 +124,7 @@ class E2EEManager {
     KeyProvider &operator=(KeyProvider &&) noexcept = default;
 
     /// Returns the options used to initialize this KeyProvider.
-    const EncryptionKeyProviderOptions &options() const;
+    const KeyProviderOptions &options() const;
 
     /// Sets the shared key for the given key slot.
     void setSharedKey(const std::vector<std::uint8_t> &key, int key_index = 0);
@@ -150,9 +150,9 @@ class E2EEManager {
   private:
     friend class E2EEManager;
     KeyProvider(std::uint64_t room_handle,
-                EncryptionKeyProviderOptions options);
+                KeyProviderOptions options);
     std::uint64_t room_handle_{0};
-    EncryptionKeyProviderOptions options_;
+    KeyProviderOptions options_;
   };
 
   class FrameCryptor {

include/livekit/video_frame.h

@@ -56,23 +56,23 @@ class OwnedVideoBuffer;
  * - The SDK can expose the backing memory to Rust via data_ptr + layout for
  *   the duration of a blocking FFI call (similar to AudioFrame).
  */
-class LKVideoFrame {
+class VideoFrame {
 public:
-  LKVideoFrame();
-  LKVideoFrame(int width, int height, VideoBufferType type,
+  VideoFrame();
+  VideoFrame(int width, int height, VideoBufferType type,
                std::vector<std::uint8_t> data);
-  virtual ~LKVideoFrame() = default;
+  virtual ~VideoFrame() = default;
 
-  LKVideoFrame(const LKVideoFrame &) = delete;
-  LKVideoFrame &operator=(const LKVideoFrame &) = delete;
-  LKVideoFrame(LKVideoFrame &&) noexcept = default;
-  LKVideoFrame &operator=(LKVideoFrame &&) noexcept = default;
+  VideoFrame(const VideoFrame &) = delete;
+  VideoFrame &operator=(const VideoFrame &) = delete;
+  VideoFrame(VideoFrame &&) noexcept = default;
+  VideoFrame &operator=(VideoFrame &&) noexcept = default;
 
   /**
    * Allocate a new frame with the correct buffer size for the given format.
    * Data is zero-initialized.
    */
-  static LKVideoFrame create(int width, int height, VideoBufferType type);
+  static VideoFrame create(int width, int height, VideoBufferType type);
 
   // Basic properties
   int width() const noexcept { return width_; }
@@ -95,13 +95,13 @@ class LKVideoFrame {
    * Convert this frame into another pixel format.
    *
    * This uses the underlying FFI `video_convert` pipeline to transform the
-   * current frame into a new `LKVideoFrame` with the requested
+   * current frame into a new `VideoFrame` with the requested
    * `dst` buffer type (e.g. ARGB → I420, BGRA → RGB24, etc.).
    *
    * @param dst     Desired output format (see VideoBufferType).
    * @param flip_y  If true, the converted frame will be vertically flipped.
    *
-   * @return A new LKVideoFrame containing the converted image data.
+   * @return A new VideoFrame containing the converted image data.
    *
    * Notes:
    *  - This function allocates a new buffer and copies pixel data; it does
@@ -114,15 +114,15 @@ class LKVideoFrame {
    *    format combination is unsupported.
    *
    * Typical usage:
-   *        LKVideoFrame i420 = frame.convert(VideoBufferType::I420);
+   *        VideoFrame i420 = frame.convert(VideoBufferType::I420);
    */
-  LKVideoFrame convert(VideoBufferType dst, bool flip_y = false) const;
+  VideoFrame convert(VideoBufferType dst, bool flip_y = false) const;
 
 protected:
   friend class VideoStream;
   // Only internal classes (e.g., VideoStream)
   // should construct frames directly from FFI buffers.
-  static LKVideoFrame fromOwnedInfo(const proto::OwnedVideoBuffer &owned);
+  static VideoFrame fromOwnedInfo(const proto::OwnedVideoBuffer &owned);
 
 private:
   int width_;

include/livekit/video_source.h

@@ -22,7 +22,7 @@
 
 namespace livekit {
 
-class LKVideoFrame;
+class VideoFrame;
 
 /**
  * Rotation of a video frame.
@@ -67,7 +67,7 @@ class VideoSource {
   std::uint64_t ffi_handle_id() const noexcept { return handle_.get(); }
 
   /**
-   * Push a LKVideoFrame into the FFI video source.
+   * Push a VideoFrame into the FFI video source.
    *
    * @param frame         Video frame to send.
    * @param timestamp_us  Optional timestamp in microseconds.
@@ -78,7 +78,7 @@ class VideoSource {
    *   - Fire-and-forget to send a frame to FFI
    *     lifetime correctly (e.g., persistent frame pools, GPU buffers, etc.).
    */
-  void captureFrame(const LKVideoFrame &frame, std::int64_t timestamp_us = 0,
+  void captureFrame(const VideoFrame &frame, std::int64_t timestamp_us = 0,
                     VideoRotation rotation = VideoRotation::VIDEO_ROTATION_0);
 
 private:

include/livekit/video_stream.h

@@ -33,7 +33,7 @@ namespace livekit {
 
 // A single video frame event delivered by VideoStream::read().
 struct VideoFrameEvent {
-  LKVideoFrame frame;
+  VideoFrame frame;
   std::int64_t timestamp_us;
   VideoRotation rotation;
 };

src/e2ee.cpp

@@ -43,10 +43,10 @@ std::vector<std::uint8_t> stringToBytes(const std::string &s) {
 // ============================================================================
 
 E2EEManager::KeyProvider::KeyProvider(std::uint64_t room_handle,
-                                      EncryptionKeyProviderOptions options)
+                                      KeyProviderOptions options)
     : room_handle_(room_handle), options_(std::move(options)) {}
 
-const EncryptionKeyProviderOptions &E2EEManager::KeyProvider::options() const {
+const KeyProviderOptions &E2EEManager::KeyProvider::options() const {
   return options_;
 }
 

src/video_frame.cpp

@@ -16,7 +16,7 @@ namespace {
 std::size_t computeBufferSize(int width, int height, VideoBufferType type) {
   if (width <= 0 || height <= 0) {
     throw std::invalid_argument(
-        "LKVideoFrame: width and height must be positive");
+        "VideoFrame: width and height must be positive");
   }
 
   const auto w = static_cast<std::size_t>(width);
@@ -70,7 +70,7 @@ std::size_t computeBufferSize(int width, int height, VideoBufferType type) {
   }
 
   default:
-    throw std::runtime_error("LKVideoFrame: unsupported VideoBufferType");
+    throw std::runtime_error("VideoFrame: unsupported VideoBufferType");
   }
 }
 
@@ -79,7 +79,7 @@ std::vector<VideoPlaneInfo>
 computePlaneInfos(uintptr_t base, int width, int height, VideoBufferType type) {
   std::vector<VideoPlaneInfo> planes;
   if (!base || width <= 0 || height <= 0) {
-    std::cerr << "[LKVideoFrame] Warning: invalid planeInfos input (ptr="
+    std::cerr << "[VideoFrame] Warning: invalid planeInfos input (ptr="
               << base << ", w=" << width << ", h=" << height << ")\n";
     return planes;
   }
@@ -261,29 +261,29 @@ computePlaneInfos(uintptr_t base, int width, int height, VideoBufferType type) {
 } // namespace
 
 // ----------------------------------------------------------------------------
-// LKVideoFrame implementation
+// VideoFrame implementation
 // ----------------------------------------------------------------------------
 
-LKVideoFrame::LKVideoFrame()
+VideoFrame::VideoFrame()
     : width_{0}, height_{0}, type_{VideoBufferType::BGRA}, data_{} {}
 
-LKVideoFrame::LKVideoFrame(int width, int height, VideoBufferType type,
+VideoFrame::VideoFrame(int width, int height, VideoBufferType type,
                            std::vector<std::uint8_t> data)
     : width_(width), height_(height), type_(type), data_(std::move(data)) {
   const std::size_t expected = computeBufferSize(width_, height_, type_);
   if (data_.size() < expected) {
-    throw std::invalid_argument("LKVideoFrame: provided data is too small for "
+    throw std::invalid_argument("VideoFrame: provided data is too small for "
                                 "the specified format and size");
   }
 }
 
-LKVideoFrame LKVideoFrame::create(int width, int height, VideoBufferType type) {
+VideoFrame VideoFrame::create(int width, int height, VideoBufferType type) {
   const std::size_t size = computeBufferSize(width, height, type);
   std::vector<std::uint8_t> buffer(size, 0);
-  return LKVideoFrame(width, height, type, std::move(buffer));
+  return VideoFrame(width, height, type, std::move(buffer));
 }
 
-std::vector<VideoPlaneInfo> LKVideoFrame::planeInfos() const {
+std::vector<VideoPlaneInfo> VideoFrame::planeInfos() const {
   if (data_.empty()) {
     return {};
   }
@@ -292,24 +292,24 @@ std::vector<VideoPlaneInfo> LKVideoFrame::planeInfos() const {
   return computePlaneInfos(base, width_, height_, type_);
 }
 
-LKVideoFrame LKVideoFrame::convert(VideoBufferType dst, bool flip_y) const {
+VideoFrame VideoFrame::convert(VideoBufferType dst, bool flip_y) const {
   // Fast path: same format, no flip -> just clone the buffer.
-  // We still return a *new* LKVideoFrame, never `*this`, so copy-ctor
+  // We still return a *new* VideoFrame, never `*this`, so copy-ctor
   // being deleted is not a problem.
   if (dst == type_ && !flip_y) {
     std::cerr << "KVideoFrame::convert Warning: converting to the same format"
               << std::endl;
     // copy pixel data
     std::vector<std::uint8_t> buf = data_;
-    return LKVideoFrame(width_, height_, type_, std::move(buf));
+    return VideoFrame(width_, height_, type_, std::move(buf));
   }
 
   // General path: delegate to the FFI-based conversion helper.
-  // This returns a brand new LKVideoFrame (move-constructed / elided).
+  // This returns a brand new VideoFrame (move-constructed / elided).
   return convertViaFfi(*this, dst, flip_y);
 }
 
-LKVideoFrame LKVideoFrame::fromOwnedInfo(const proto::OwnedVideoBuffer &owned) {
+VideoFrame VideoFrame::fromOwnedInfo(const proto::OwnedVideoBuffer &owned) {
   const auto &info = owned.info();
   const int width = static_cast<int>(info.width());
   const int height = static_cast<int>(info.height());
@@ -359,7 +359,7 @@ LKVideoFrame LKVideoFrame::fromOwnedInfo(const proto::OwnedVideoBuffer &owned) {
     // owned_handle destroyed at end of scope → native buffer disposed.
   }
 
-  return LKVideoFrame(width, height, type, std::move(buffer));
+  return VideoFrame(width, height, type, std::move(buffer));
 }
 
 } // namespace livekit

src/video_source.cpp

@@ -44,7 +44,7 @@ VideoSource::VideoSource(int width, int height)
   handle_ = FfiHandle(resp.new_video_source().source().handle().id());
 }
 
-void VideoSource::captureFrame(const LKVideoFrame &frame,
+void VideoSource::captureFrame(const VideoFrame &frame,
                                std::int64_t timestamp_us,
                                VideoRotation rotation) {
   if (!handle_) {

src/video_stream.cpp

@@ -181,7 +181,7 @@ void VideoStream::onFfiEvent(const proto::FfiEvent &event) {
 
     // Convert owned buffer->VideoFrame via a helper.
     // You should implement this static function in your VideoFrame class.
-    LKVideoFrame frame = LKVideoFrame::fromOwnedInfo(fr.buffer());
+    VideoFrame frame = VideoFrame::fromOwnedInfo(fr.buffer());
 
     VideoFrameEvent ev{std::move(frame), fr.timestamp_us(),
                        static_cast<VideoRotation>(fr.rotation())};

src/video_utils.cpp

@@ -86,7 +86,7 @@ VideoBufferType fromProto(proto::VideoBufferType t) {
   }
 }
 
-proto::VideoBufferInfo toProto(const LKVideoFrame &frame) {
+proto::VideoBufferInfo toProto(const VideoFrame &frame) {
   proto::VideoBufferInfo info;
 
   const int w = frame.width();
@@ -128,15 +128,15 @@ proto::VideoBufferInfo toProto(const LKVideoFrame &frame) {
   return info;
 }
 
-LKVideoFrame fromOwnedProto(const proto::OwnedVideoBuffer &owned) {
+VideoFrame fromOwnedProto(const proto::OwnedVideoBuffer &owned) {
   const auto &info = owned.info();
 
   const int width = static_cast<int>(info.width());
   const int height = static_cast<int>(info.height());
   const VideoBufferType type = fromProto(info.type());
 
-  // Allocate a new LKVideoFrame with the correct size/format
-  LKVideoFrame frame = LKVideoFrame::create(width, height, type);
+  // Allocate a new VideoFrame with the correct size/format
+  VideoFrame frame = VideoFrame::create(width, height, type);
 
   // Copy from the FFI-provided buffer into our own backing storage
   auto *dst = frame.data();
@@ -159,7 +159,7 @@ LKVideoFrame fromOwnedProto(const proto::OwnedVideoBuffer &owned) {
   return frame;
 }
 
-LKVideoFrame convertViaFfi(const LKVideoFrame &frame, VideoBufferType dst,
+VideoFrame convertViaFfi(const VideoFrame &frame, VideoBufferType dst,
                            bool flip_y) {
   proto::FfiRequest req;
   auto *vc = req.mutable_video_convert();

src/video_utils.h

@@ -22,9 +22,9 @@
 namespace livekit {
 
 // Video FFI Utils
-proto::VideoBufferInfo toProto(const LKVideoFrame &frame);
-LKVideoFrame fromOwnedProto(const proto::OwnedVideoBuffer &owned);
-LKVideoFrame convertViaFfi(const LKVideoFrame &frame, VideoBufferType dst,
+proto::VideoBufferInfo toProto(const VideoFrame &frame);
+VideoFrame fromOwnedProto(const proto::OwnedVideoBuffer &owned);
+VideoFrame convertViaFfi(const VideoFrame &frame, VideoBufferType dst,
                            bool flip_y);
 proto::VideoBufferType toProto(VideoBufferType t);
 VideoBufferType fromProto(proto::VideoBufferType t);