Apply suggestions from code review

Co-authored-by: Ryan Foster <[email protected]>

libobs/obs-encoder.c

@@ -203,7 +203,8 @@ static void maybe_set_up_gpu_rescale(struct obs_encoder *encoder)
 	bool create_mix = true;
 	struct obs_video_info ovi;
 	const struct video_output_info *info;
-	uint32_t width, height;
+	uint32_t width;
+	uint32_t height;
 	enum video_format format;
 	enum video_colorspace space;
 	enum video_range_type range;

libobs/obs.h

@@ -2247,16 +2247,16 @@ EXPORT size_t obs_encoder_get_mixer_index(const obs_encoder_t *encoder);
  * If the format is set to VIDEO_FORMAT_NONE, will revert to the default
  * functionality of converting only when absolutely necessary.
  *
- * If GPU scaling is enabled conversion will happen on the GPU.
+ * If GPU scaling is enabled, conversion will happen on the GPU.
  */
 EXPORT void obs_encoder_set_preferred_video_format(obs_encoder_t *encoder, enum video_format format);
 EXPORT enum video_format obs_encoder_get_preferred_video_format(const obs_encoder_t *encoder);
 
 /**
- * Sets the preferred colorspace for an encoder, e.g. to simultaneous SDR and
+ * Sets the preferred colorspace for an encoder, e.g., to simultaneous SDR and
  * HDR output.
  * 
- * Only supported when GPU scaling is enabled
+ * Only supported when GPU scaling is enabled.
  */
 EXPORT void obs_encoder_set_preferred_color_space(obs_encoder_t *encoder, enum video_colorspace colorspace);
 EXPORT enum video_colorspace obs_encoder_get_preferred_color_space(const obs_encoder_t *encoder);