Spelling and typo fixes. Thanks Gelma for the pull request

include/Coordinate.h

@@ -77,7 +77,7 @@ namespace openshot {
 		Fraction Repeat() { return repeated; }
 
 		/// @brief Set the increasing flag (used internally on the timeline, to track changes to coordinates)
-		/// @param is_increasing Indicates if this coorindate Y value is increasing (when compared to the previous coordinate)
+		/// @param is_increasing Indicates if this coordinate Y value is increasing (when compared to the previous coordinate)
 		void IsIncreasing(bool is_increasing) { increasing = is_increasing; }
 
 		/// Get the increasing flag (used internally on the timeline, to track changes to coordinates)

include/DecklinkReader.h

@@ -56,7 +56,7 @@ namespace openshot
 	 * @brief This class uses the Blackmagic Decklink libraries, to open video streams on Blackmagic devices.
 	 *
 	 * This requires special hardware manufactured by <a href="http://www.blackmagicdesign.com/products">Blackmagic Designs</a>.
-	 * Once the device is aquired and connected, this reader returns openshot::Frame objects containing the image and audio data.
+	 * Once the device is acquired and connected, this reader returns openshot::Frame objects containing the image and audio data.
 	 */
 	class DecklinkReader : public ReaderBase
 	{

include/DecklinkWriter.h

@@ -56,7 +56,7 @@ namespace openshot
 	 * @brief This class uses the Blackmagic Decklink libraries, to send video streams to Blackmagic devices.
 	 *
 	 * This requires special hardware manufactured by <a href="http://www.blackmagicdesign.com/products">Blackmagic Designs</a>.
-	 * Once the device is aquired and connected, this reader returns openshot::Frame objects containing the image and audio data.
+	 * Once the device is acquired and connected, this reader returns openshot::Frame objects containing the image and audio data.
 	 */
 	class DecklinkWriter : public WriterBase
 	{

include/effects/ChromaKey.h

@@ -70,7 +70,7 @@ namespace openshot
 		/// more colors are matched.
 		///
 		/// @param color The color to match
-		/// @param fuzz The fuzz factor (or threshhold)
+		/// @param fuzz The fuzz factor (or threshold)
 		ChromaKey(Color color, Keyframe fuzz);
 
 		/// @brief This method is required for all derived classes of EffectBase, and returns a

src/CacheDisk.cpp

@@ -471,7 +471,7 @@ string CacheDisk::Json() {
 // Generate Json::JsonValue for this object
 Json::Value CacheDisk::JsonValue() {
 
-	// Proccess range data (if anything has changed)
+	// Process range data (if anything has changed)
 	CalculateRanges();
 
 	// Create root json object

src/CacheMemory.cpp

@@ -327,7 +327,7 @@ string CacheMemory::Json() {
 // Generate Json::JsonValue for this object
 Json::Value CacheMemory::JsonValue() {
 
-	// Proccess range data (if anything has changed)
+	// Process range data (if anything has changed)
 	CalculateRanges();
 
 	// Create root json object

src/Clip.cpp

@@ -598,7 +598,7 @@ std::shared_ptr<Frame> Clip::GetOrCreateFrame(int64_t number)
 
 		// Determine the max size of this clips source image (based on the timeline's size, the scaling mode,
 		// and the scaling keyframes). This is a performance improvement, to keep the images as small as possible,
-		// without loosing quality. NOTE: We cannot go smaller than the timeline itself, or the add_layer timeline
+		// without losing quality. NOTE: We cannot go smaller than the timeline itself, or the add_layer timeline
         // method will scale it back to timeline size before scaling it smaller again. This needs to be fixed in
         // the future.
 		if (scale == SCALE_FIT || scale == SCALE_STRETCH) {

src/FrameMapper.cpp

@@ -483,7 +483,7 @@ std::shared_ptr<Frame> FrameMapper::GetFrame(int64_t requested_frame)
 			// converter isn't input limited.
 			const int EXTRA_INPUT_SAMPLES = 20;
 
-			// Extend end sample count by an addtional EXTRA_INPUT_SAMPLES samples
+			// Extend end sample count by an additional EXTRA_INPUT_SAMPLES samples
 			copy_samples.sample_end += EXTRA_INPUT_SAMPLES;
 			int samples_per_end_frame =
 				Frame::GetSamplesPerFrame(copy_samples.frame_end, original,

src/Qt/AudioPlaybackThread.cpp

@@ -61,7 +61,7 @@ namespace openshot
         audioDeviceManager.dispatchPendingMessages();
     }
 
-    // Construtor
+    // Constructor
     AudioPlaybackThread::AudioPlaybackThread()
 	: Thread("audio-playback")
 	, player()