CASE(EC_ACTIVATE);// A video window is being activated or deactivated.
CASE(EC_BANDWIDTHCHANGE);// Not supported.
CASE(EC_BUFFERING_DATA);// The graph is buffering data, or has stopped buffering data.
CASE(EC_BUILT);// Send by the Video Control when a graph has been built. Not forwarded to applications.
CASE(EC_CLOCK_CHANGED);// The reference clock has changed.
CASE(EC_CLOCK_UNSET);// The clock provider was disconnected.
CASE(EC_CODECAPI_EVENT);// Sent by an encoder to signal an encoding event.
CASE(EC_COMPLETE);// All data from a particular stream has been rendered.
CASE(EC_CONTENTPROPERTY_CHANGED);// Not supported.
CASE(EC_DEVICE_LOST);// A Plug and Play device was removed or has become available again.
CASE(EC_DISPLAY_CHANGED);// The display mode has changed.
CASE(EC_END_OF_SEGMENT);// The end of a segment has been reached.
CASE(EC_EOS_SOON);// Not supported.
CASE(EC_ERROR_STILLPLAYING);// An asynchronous command to run the graph has failed.
CASE(EC_ERRORABORT);// An operation was aborted because of an error.
CASE(EC_ERRORABORTEX);// An operation was aborted because of an error.
CASE(EC_EXTDEVICE_MODE_CHANGE);// Not supported.
CASE(EC_FILE_CLOSED);// The source file was closed because of an unexpected event.
CASE(EC_FULLSCREEN_LOST);// The video renderer is switching out of full-screen mode.
CASE(EC_GRAPH_CHANGED);// The filter graph has changed.
CASE(EC_LENGTH_CHANGED);// The length of a source has changed.
CASE(EC_LOADSTATUS);// Notifies the application of progress when opening a network file.
CASE(EC_MARKER_HIT);// Not supported.
CASE(EC_NEED_RESTART);// A filter is requesting that the graph be restarted.
CASE(EC_NEW_PIN);// Not supported.
CASE(EC_NOTIFY_WINDOW);// Notifies a filter of the video renderer's window.
CASE(EC_OLE_EVENT);// A filter is passing a text string to the application.
CASE(EC_OPENING_FILE);// The graph is opening a file, or has finished opening a file.
CASE(EC_PALETTE_CHANGED);// The video palette has changed.
CASE(EC_PAUSED);// A pause request has completed.
CASE(EC_PLEASE_REOPEN);// The source file has changed.
CASE(EC_PREPROCESS_COMPLETE);// Sent by the WM ASF Writer filter when it completes the pre-processing for multipass encoding.
CASE(EC_PROCESSING_LATENCY);// Indicates the amount of time that a component is taking to process each sample.
CASE(EC_QUALITY_CHANGE);// The graph is dropping samples, for quality control.
//CASE(EC_RENDER_FINISHED); // Not supported.
CASE(EC_REPAINT);// A video renderer requires a repaint.
CASE(EC_SAMPLE_LATENCY);// Specifies how far behind schedule a component is for processing samples.
//CASE(EC_SAMPLE_NEEDED); // Requests a new input sample from the Enhanced Video Renderer (EVR) filter.
CASE(EC_SCRUB_TIME);// Specifies the time stamp for the most recent frame step.
CASE(EC_SEGMENT_STARTED);// A new segment has started.
CASE(EC_SHUTTING_DOWN);// The filter graph is shutting down, prior to being destroyed.
CASE(EC_SNDDEV_IN_ERROR);// A device error has occurred in an audio capture filter.
CASE(EC_SNDDEV_OUT_ERROR);// A device error has occurred in an audio renderer filter.
CASE(EC_STARVATION);// A filter is not receiving enough data.
CASE(EC_STATE_CHANGE);// The filter graph has changed state.
CASE(EC_STATUS);// Contains two arbitrary status strings.
CASE(EC_STEP_COMPLETE);// A filter performing frame stepping has stepped the specified number of frames.
CASE(EC_STREAM_CONTROL_STARTED);// A stream-control start command has taken effect.
CASE(EC_STREAM_CONTROL_STOPPED);// A stream-control stop command has taken effect.
CASE(EC_STREAM_ERROR_STILLPLAYING);// An error has occurred in a stream. The stream is still playing.
CASE(EC_STREAM_ERROR_STOPPED);// A stream has stopped because of an error.
CASE(EC_TIMECODE_AVAILABLE);// Not supported.
CASE(EC_UNBUILT);// Send by the Video Control when a graph has been torn down. Not forwarded to applications.
CASE(EC_USERABORT);// The user has terminated playback.
CASE(EC_VIDEO_SIZE_CHANGED);// The native video size has changed.
CASE(EC_VIDEOFRAMEREADY);// A video frame is ready for display.
CASE(EC_VMR_RECONNECTION_FAILED);// Sent by the VMR-7 and the VMR-9 when it was unable to accept a dynamic format change request from the upstream decoder.
CASE(EC_VMR_RENDERDEVICE_SET);// Sent when the VMR has selected its rendering mechanism.
CASE(EC_VMR_SURFACE_FLIPPED);// Sent when the VMR-7's allocator presenter has called the DirectDraw Flip method on the surface being presented.
CASE(EC_WINDOW_DESTROYED);// The video renderer was destroyed or removed from the graph.
CASE(EC_WMT_EVENT);// Sent by the WM ASF Reader filter when it reads ASF files protected by digital rights management (DRM).
CASE(EC_WMT_INDEX_EVENT);// Sent when an application uses the WM ASF Writer to index Windows Media Video files.
CASE(S_OK);// Success.
CASE(VFW_S_AUDIO_NOT_RENDERED);// Partial success; the audio was not rendered.
CASE(VFW_S_DUPLICATE_NAME);// Success; the Filter Graph Manager modified a filter name to avoid duplication.
CASE(VFW_S_PARTIAL_RENDER);// Partial success; some of the streams in this movie are in an unsupported format.
CASE(VFW_S_VIDEO_NOT_RENDERED);// Partial success; the video was not rendered.
CASE(E_ABORT);// Operation aborted.
CASE(E_OUTOFMEMORY);// Insufficient memory.
CASE(E_POINTER);// NULL pointer argument.
CASE(VFW_E_CANNOT_CONNECT);// No combination of intermediate filters could be found to make the connection.
CASE(VFW_E_CANNOT_RENDER);// No combination of filters could be found to render the stream.
CASE(VFW_E_NO_ACCEPTABLE_TYPES);// There is no common media type between these pins.
