diff --git a/libobs/media-io/video-frame.c b/libobs/media-io/video-frame.c
index 746d53f21..a85d562a0 100644
--- a/libobs/media-io/video-frame.c
+++ b/libobs/media-io/video-frame.c
@@ -37,34 +37,40 @@ void video_frame_init(struct video_frame *frame, enum video_format format,
 	case VIDEO_FORMAT_NONE:
 		return;
 
-	case VIDEO_FORMAT_I420:
+	case VIDEO_FORMAT_I420: {
 		size = width * height;
 		ALIGN_SIZE(size, alignment);
 		offsets[0] = size;
-		size += (width / 2) * (height / 2);
+		const uint32_t half_width = (width + 1) / 2;
+		const uint32_t half_height = (height + 1) / 2;
+		const uint32_t quarter_area = half_width * half_height;
+		size += quarter_area;
 		ALIGN_SIZE(size, alignment);
 		offsets[1] = size;
-		size += (width / 2) * (height / 2);
+		size += quarter_area;
 		ALIGN_SIZE(size, alignment);
 		frame->data[0] = bmalloc(size);
 		frame->data[1] = (uint8_t *)frame->data[0] + offsets[0];
 		frame->data[2] = (uint8_t *)frame->data[0] + offsets[1];
 		frame->linesize[0] = width;
-		frame->linesize[1] = width / 2;
-		frame->linesize[2] = width / 2;
+		frame->linesize[1] = half_width;
+		frame->linesize[2] = half_width;
 		break;
+	}
 
-	case VIDEO_FORMAT_NV12:
+	case VIDEO_FORMAT_NV12: {
 		size = width * height;
 		ALIGN_SIZE(size, alignment);
 		offsets[0] = size;
-		size += (width / 2) * (height / 2) * 2;
+		const uint32_t cbcr_width = (width + 1) & (UINT32_MAX - 1);
+		size += cbcr_width * ((height + 1) / 2);
 		ALIGN_SIZE(size, alignment);
 		frame->data[0] = bmalloc(size);
 		frame->data[1] = (uint8_t *)frame->data[0] + offsets[0];
 		frame->linesize[0] = width;
-		frame->linesize[1] = width;
+		frame->linesize[1] = cbcr_width;
 		break;
+	}
 
 	case VIDEO_FORMAT_Y800:
 		size = width * height;
@@ -75,12 +81,15 @@ void video_frame_init(struct video_frame *frame, enum video_format format,
 
 	case VIDEO_FORMAT_YVYU:
 	case VIDEO_FORMAT_YUY2:
-	case VIDEO_FORMAT_UYVY:
-		size = width * height * 2;
+	case VIDEO_FORMAT_UYVY: {
+		const uint32_t double_width =
+			((width + 1) & (UINT32_MAX - 1)) * 2;
+		size = double_width * height;
 		ALIGN_SIZE(size, alignment);
 		frame->data[0] = bmalloc(size);
-		frame->linesize[0] = width * 2;
+		frame->linesize[0] = double_width;
 		break;
+	}
 
 	case VIDEO_FORMAT_RGBA:
 	case VIDEO_FORMAT_BGRA:
@@ -110,31 +119,37 @@ void video_frame_init(struct video_frame *frame, enum video_format format,
 		frame->linesize[0] = width * 3;
 		break;
 
-	case VIDEO_FORMAT_I422:
+	case VIDEO_FORMAT_I422: {
 		size = width * height;
 		ALIGN_SIZE(size, alignment);
 		offsets[0] = size;
-		size += (width / 2) * height;
+		const uint32_t half_width = (width + 1) / 2;
+		const uint32_t half_area = half_width * height;
+		size += half_area;
 		ALIGN_SIZE(size, alignment);
 		offsets[1] = size;
-		size += (width / 2) * height;
+		size += half_area;
 		ALIGN_SIZE(size, alignment);
 		frame->data[0] = bmalloc(size);
 		frame->data[1] = (uint8_t *)frame->data[0] + offsets[0];
 		frame->data[2] = (uint8_t *)frame->data[0] + offsets[1];
 		frame->linesize[0] = width;
-		frame->linesize[1] = width / 2;
-		frame->linesize[2] = width / 2;
+		frame->linesize[1] = half_width;
+		frame->linesize[2] = half_width;
 		break;
+	}
 
-	case VIDEO_FORMAT_I40A:
+	case VIDEO_FORMAT_I40A: {
 		size = width * height;
 		ALIGN_SIZE(size, alignment);
 		offsets[0] = size;
-		size += (width / 2) * (height / 2);
+		const uint32_t half_width = (width + 1) / 2;
+		const uint32_t half_height = (height + 1) / 2;
+		const uint32_t quarter_area = half_width * half_height;
+		size += quarter_area;
 		ALIGN_SIZE(size, alignment);
 		offsets[1] = size;
-		size += (width / 2) * (height / 2);
+		size += quarter_area;
 		ALIGN_SIZE(size, alignment);
 		offsets[2] = size;
 		size += width * height;
@@ -144,19 +159,22 @@ void video_frame_init(struct video_frame *frame, enum video_format format,
 		frame->data[2] = (uint8_t *)frame->data[0] + offsets[1];
 		frame->data[3] = (uint8_t *)frame->data[0] + offsets[2];
 		frame->linesize[0] = width;
-		frame->linesize[1] = width / 2;
-		frame->linesize[2] = width / 2;
+		frame->linesize[1] = half_width;
+		frame->linesize[2] = half_width;
 		frame->linesize[3] = width;
 		break;
+	}
 
-	case VIDEO_FORMAT_I42A:
+	case VIDEO_FORMAT_I42A: {
 		size = width * height;
 		ALIGN_SIZE(size, alignment);
 		offsets[0] = size;
-		size += (width / 2) * height;
+		const uint32_t half_width = (width + 1) / 2;
+		const uint32_t half_area = half_width * height;
+		size += half_area;
 		ALIGN_SIZE(size, alignment);
 		offsets[1] = size;
-		size += (width / 2) * height;
+		size += half_area;
 		ALIGN_SIZE(size, alignment);
 		offsets[2] = size;
 		size += width * height;
@@ -166,10 +184,11 @@ void video_frame_init(struct video_frame *frame, enum video_format format,
 		frame->data[2] = (uint8_t *)frame->data[0] + offsets[1];
 		frame->data[3] = (uint8_t *)frame->data[0] + offsets[2];
 		frame->linesize[0] = width;
-		frame->linesize[1] = width / 2;
-		frame->linesize[2] = width / 2;
+		frame->linesize[1] = half_width;
+		frame->linesize[2] = half_width;
 		frame->linesize[3] = width;
 		break;
+	}
 
 	case VIDEO_FORMAT_YUVA:
 		size = width * height;
diff --git a/libobs/obs-source.c b/libobs/obs-source.c
index 93cd1aa29..2b8dc11ab 100644
--- a/libobs/obs-source.c
+++ b/libobs/obs-source.c
@@ -1554,8 +1554,11 @@ static inline enum convert_type get_convert_type(enum video_format format,
 static inline bool set_packed422_sizes(struct obs_source *source,
 				       const struct obs_source_frame *frame)
 {
-	source->async_convert_width[0] = frame->width / 2;
-	source->async_convert_height[0] = frame->height;
+	const uint32_t width = frame->width;
+	const uint32_t height = frame->height;
+	const uint32_t half_width = (width + 1) / 2;
+	source->async_convert_width[0] = half_width;
+	source->async_convert_height[0] = height;
 	source->async_texture_formats[0] = GS_BGRA;
 	source->async_channel_count = 1;
 	return true;
@@ -1611,12 +1614,16 @@ set_planar444_alpha_sizes(struct obs_source *source,
 static inline bool set_planar420_sizes(struct obs_source *source,
 				       const struct obs_source_frame *frame)
 {
-	source->async_convert_width[0] = frame->width;
-	source->async_convert_width[1] = frame->width / 2;
-	source->async_convert_width[2] = frame->width / 2;
-	source->async_convert_height[0] = frame->height;
-	source->async_convert_height[1] = frame->height / 2;
-	source->async_convert_height[2] = frame->height / 2;
+	const uint32_t width = frame->width;
+	const uint32_t height = frame->height;
+	const uint32_t half_width = (width + 1) / 2;
+	const uint32_t half_height = (height + 1) / 2;
+	source->async_convert_width[0] = width;
+	source->async_convert_width[1] = half_width;
+	source->async_convert_width[2] = half_width;
+	source->async_convert_height[0] = height;
+	source->async_convert_height[1] = half_height;
+	source->async_convert_height[2] = half_height;
 	source->async_texture_formats[0] = GS_R8;
 	source->async_texture_formats[1] = GS_R8;
 	source->async_texture_formats[2] = GS_R8;
@@ -1628,14 +1635,18 @@ static inline bool
 set_planar420_alpha_sizes(struct obs_source *source,
 			  const struct obs_source_frame *frame)
 {
-	source->async_convert_width[0] = frame->width;
-	source->async_convert_width[1] = frame->width / 2;
-	source->async_convert_width[2] = frame->width / 2;
-	source->async_convert_width[3] = frame->width;
-	source->async_convert_height[0] = frame->height;
-	source->async_convert_height[1] = frame->height / 2;
-	source->async_convert_height[2] = frame->height / 2;
-	source->async_convert_height[3] = frame->height;
+	const uint32_t width = frame->width;
+	const uint32_t height = frame->height;
+	const uint32_t half_width = (width + 1) / 2;
+	const uint32_t half_height = (height + 1) / 2;
+	source->async_convert_width[0] = width;
+	source->async_convert_width[1] = half_width;
+	source->async_convert_width[2] = half_width;
+	source->async_convert_width[3] = width;
+	source->async_convert_height[0] = height;
+	source->async_convert_height[1] = half_height;
+	source->async_convert_height[2] = half_height;
+	source->async_convert_height[3] = height;
 	source->async_texture_formats[0] = GS_R8;
 	source->async_texture_formats[1] = GS_R8;
 	source->async_texture_formats[2] = GS_R8;
@@ -1647,12 +1658,15 @@ set_planar420_alpha_sizes(struct obs_source *source,
 static inline bool set_planar422_sizes(struct obs_source *source,
 				       const struct obs_source_frame *frame)
 {
-	source->async_convert_width[0] = frame->width;
-	source->async_convert_width[1] = frame->width / 2;
-	source->async_convert_width[2] = frame->width / 2;
-	source->async_convert_height[0] = frame->height;
-	source->async_convert_height[1] = frame->height;
-	source->async_convert_height[2] = frame->height;
+	const uint32_t width = frame->width;
+	const uint32_t height = frame->height;
+	const uint32_t half_width = (width + 1) / 2;
+	source->async_convert_width[0] = width;
+	source->async_convert_width[1] = half_width;
+	source->async_convert_width[2] = half_width;
+	source->async_convert_height[0] = height;
+	source->async_convert_height[1] = height;
+	source->async_convert_height[2] = height;
 	source->async_texture_formats[0] = GS_R8;
 	source->async_texture_formats[1] = GS_R8;
 	source->async_texture_formats[2] = GS_R8;
@@ -1664,14 +1678,17 @@ static inline bool
 set_planar422_alpha_sizes(struct obs_source *source,
 			  const struct obs_source_frame *frame)
 {
-	source->async_convert_width[0] = frame->width;
-	source->async_convert_width[1] = frame->width / 2;
-	source->async_convert_width[2] = frame->width / 2;
-	source->async_convert_width[3] = frame->width;
-	source->async_convert_height[0] = frame->height;
-	source->async_convert_height[1] = frame->height;
-	source->async_convert_height[2] = frame->height;
-	source->async_convert_height[3] = frame->height;
+	const uint32_t width = frame->width;
+	const uint32_t height = frame->height;
+	const uint32_t half_width = (width + 1) / 2;
+	source->async_convert_width[0] = width;
+	source->async_convert_width[1] = half_width;
+	source->async_convert_width[2] = half_width;
+	source->async_convert_width[3] = width;
+	source->async_convert_height[0] = height;
+	source->async_convert_height[1] = height;
+	source->async_convert_height[2] = height;
+	source->async_convert_height[3] = height;
 	source->async_texture_formats[0] = GS_R8;
 	source->async_texture_formats[1] = GS_R8;
 	source->async_texture_formats[2] = GS_R8;
@@ -1683,10 +1700,14 @@ set_planar422_alpha_sizes(struct obs_source *source,
 static inline bool set_nv12_sizes(struct obs_source *source,
 				  const struct obs_source_frame *frame)
 {
-	source->async_convert_width[0] = frame->width;
-	source->async_convert_width[1] = frame->width / 2;
-	source->async_convert_height[0] = frame->height;
-	source->async_convert_height[1] = frame->height / 2;
+	const uint32_t width = frame->width;
+	const uint32_t height = frame->height;
+	const uint32_t half_width = (width + 1) / 2;
+	const uint32_t half_height = (height + 1) / 2;
+	source->async_convert_width[0] = width;
+	source->async_convert_width[1] = half_width;
+	source->async_convert_height[0] = height;
+	source->async_convert_height[1] = half_height;
 	source->async_texture_formats[0] = GS_R8;
 	source->async_texture_formats[1] = GS_R8G8;
 	source->async_channel_count = 2;
@@ -2746,16 +2767,22 @@ static void copy_frame_data(struct obs_source_frame *dst,
 	}
 
 	switch (src->format) {
-	case VIDEO_FORMAT_I420:
-		copy_frame_data_plane(dst, src, 0, dst->height);
-		copy_frame_data_plane(dst, src, 1, dst->height / 2);
-		copy_frame_data_plane(dst, src, 2, dst->height / 2);
+	case VIDEO_FORMAT_I420: {
+		const uint32_t height = dst->height;
+		const uint32_t half_height = (height + 1) / 2;
+		copy_frame_data_plane(dst, src, 0, height);
+		copy_frame_data_plane(dst, src, 1, half_height);
+		copy_frame_data_plane(dst, src, 2, half_height);
 		break;
+	}
 
-	case VIDEO_FORMAT_NV12:
-		copy_frame_data_plane(dst, src, 0, dst->height);
-		copy_frame_data_plane(dst, src, 1, dst->height / 2);
+	case VIDEO_FORMAT_NV12: {
+		const uint32_t height = dst->height;
+		const uint32_t half_height = (height + 1) / 2;
+		copy_frame_data_plane(dst, src, 0, height);
+		copy_frame_data_plane(dst, src, 1, half_height);
 		break;
+	}
 
 	case VIDEO_FORMAT_I444:
 	case VIDEO_FORMAT_I422:
@@ -2777,12 +2804,15 @@ static void copy_frame_data(struct obs_source_frame *dst,
 		copy_frame_data_plane(dst, src, 0, dst->height);
 		break;
 
-	case VIDEO_FORMAT_I40A:
-		copy_frame_data_plane(dst, src, 0, dst->height);
-		copy_frame_data_plane(dst, src, 1, dst->height / 2);
-		copy_frame_data_plane(dst, src, 2, dst->height / 2);
-		copy_frame_data_plane(dst, src, 3, dst->height);
+	case VIDEO_FORMAT_I40A: {
+		const uint32_t height = dst->height;
+		const uint32_t half_height = (height + 1) / 2;
+		copy_frame_data_plane(dst, src, 0, height);
+		copy_frame_data_plane(dst, src, 1, half_height);
+		copy_frame_data_plane(dst, src, 2, half_height);
+		copy_frame_data_plane(dst, src, 3, height);
 		break;
+	}
 
 	case VIDEO_FORMAT_I42A:
 	case VIDEO_FORMAT_YUVA: