diff --git a/src/ustreamer/device.c b/src/ustreamer/device.c
index 2987770..877581b 100644
--- a/src/ustreamer/device.c
+++ b/src/ustreamer/device.c
@@ -103,7 +103,7 @@ static const char *_standard_to_string(v4l2_std_id standard);
 static const char *_io_method_to_string_supported(enum v4l2_memory io_method);
 
 
-#	define RUN(_next) dev->run->_next
+#define RUN(_next) dev->run->_next
 
 
 struct device_t *device_init(void) {
@@ -354,6 +354,9 @@ int device_grab_buffer(struct device_t *dev) {
 	A_MUTEX_UNLOCK(&HW(grabbed_mutex));
 
 	HW(used) = buf_info.bytesused;
+	HW(width) = RUN(width);
+	HW(height) = RUN(height);
+	HW(format) = RUN(format);
 	memcpy(&HW(buf_info), &buf_info, sizeof(struct v4l2_buffer));
 	HW(grab_ts) = get_now_monotonic();
 
@@ -374,7 +377,6 @@ int device_release_buffer(struct device_t *dev, unsigned index) {
 	}
 	HW(grabbed) = false;
 	A_MUTEX_UNLOCK(&HW(grabbed_mutex));
-	HW(used) = 0;
 
 #	undef HW
 	return 0;
diff --git a/src/ustreamer/device.h b/src/ustreamer/device.h
index 771fd9c..8963170 100644
--- a/src/ustreamer/device.h
+++ b/src/ustreamer/device.h
@@ -55,6 +55,9 @@ struct hw_buffer_t {
 	unsigned char		*data;
 	size_t				used;
 	size_t				allocated;
+	unsigned			width;
+	unsigned			height;
+	unsigned			format;
 	long double			grab_ts;
 
 	struct v4l2_buffer	buf_info;
diff --git a/src/ustreamer/encoder.c b/src/ustreamer/encoder.c
index 95fb16b..10c95f5 100644
--- a/src/ustreamer/encoder.c
+++ b/src/ustreamer/encoder.c
@@ -214,42 +214,41 @@ void encoder_prepare(struct encoder_t *encoder, struct device_t *dev) {
 #pragma GCC diagnostic ignored "-Wunused-parameter"
 #pragma GCC diagnostic push
 int encoder_compress_buffer(
-	struct encoder_t *encoder, struct device_t *dev,
-	unsigned worker_number, unsigned buf_index,
-	struct picture_t *picture) {
+	struct encoder_t *encoder, unsigned worker_number,
+	struct hw_buffer_t *hw, struct picture_t *picture) {
 #pragma GCC diagnostic pop
 
 	assert(ER(type) != ENCODER_TYPE_UNKNOWN);
-	assert(DR(hw_buffers[buf_index].used) > 0);
+	assert(hw->used > 0);
 
-	picture->grab_ts = DR(hw_buffers[buf_index].grab_ts);
+	picture->grab_ts = hw->grab_ts;
 	picture->encode_begin_ts = get_now_monotonic();
 
 	if (ER(type) == ENCODER_TYPE_CPU) {
-		LOG_VERBOSE("Compressing buffer %u using CPU", buf_index);
-		cpu_encoder_compress_buffer(dev, buf_index, ER(quality), picture);
+		LOG_VERBOSE("Compressing buffer using CPU");
+		cpu_encoder_compress_buffer(hw, picture, ER(quality));
 	} else if (ER(type) == ENCODER_TYPE_HW) {
-		LOG_VERBOSE("Compressing buffer %u using HW (just copying)", buf_index);
-		hw_encoder_compress_buffer(dev, buf_index, picture);
+		LOG_VERBOSE("Compressing buffer using HW (just copying)");
+		hw_encoder_compress_buffer(hw, picture);
 	}
 #	ifdef WITH_OMX
 	else if (ER(type) == ENCODER_TYPE_OMX) {
-		LOG_VERBOSE("Compressing buffer %u using OMX", buf_index);
-		if (omx_encoder_compress_buffer(ER(omxs[worker_number]), dev, buf_index, picture) < 0) {
+		LOG_VERBOSE("Compressing buffer using OMX");
+		if (omx_encoder_compress_buffer(ER(omxs[worker_number]), hw, picture) < 0) {
 			goto error;
 		}
 	}
 #	endif
 #	ifdef WITH_RAWSINK
 	else if (ER(type) == ENCODER_TYPE_NOOP) {
-		LOG_VERBOSE("Compressing buffer %u using NOOP (do nothing)", buf_index);
+		LOG_VERBOSE("Compressing buffer using NOOP (do nothing)");
 	}
 #	endif
 
 	picture->encode_end_ts = get_now_monotonic();
 
-	picture->width = DR(width);
-	picture->height = DR(height);
+	picture->width = hw->width;
+	picture->height = hw->height;
 
 	return 0;
 
diff --git a/src/ustreamer/encoder.h b/src/ustreamer/encoder.h
index 8a05d4d..a4fbb56 100644
--- a/src/ustreamer/encoder.h
+++ b/src/ustreamer/encoder.h
@@ -102,6 +102,5 @@ const char *encoder_type_to_string(enum encoder_type_t type);
 void encoder_prepare(struct encoder_t *encoder, struct device_t *dev);
 
 int encoder_compress_buffer(
-	struct encoder_t *encoder, struct device_t *dev,
-	unsigned worker_number, unsigned buf_index,
-	struct picture_t *picture);
+	struct encoder_t *encoder, unsigned worker_number,
+	struct hw_buffer_t *hw, struct picture_t *picture);
diff --git a/src/ustreamer/encoders/cpu/encoder.c b/src/ustreamer/encoders/cpu/encoder.c
index 4231b6f..c734ac8 100644
--- a/src/ustreamer/encoders/cpu/encoder.c
+++ b/src/ustreamer/encoders/cpu/encoder.c
@@ -70,10 +70,7 @@ static boolean _jpeg_empty_output_buffer(j_compress_ptr jpeg);
 static void _jpeg_term_destination(j_compress_ptr jpeg);
 
 
-void cpu_encoder_compress_buffer(
-	struct device_t *dev, unsigned index, unsigned quality,
-	struct picture_t *picture) {
-
+void cpu_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture, unsigned quality) {
 	// This function based on compress_image_to_jpeg() from mjpg-streamer
 
 	struct jpeg_compress_struct jpeg;
@@ -84,8 +81,8 @@ void cpu_encoder_compress_buffer(
 
 	_jpeg_set_picture(&jpeg, picture);
 
-	jpeg.image_width = dev->run->width;
-	jpeg.image_height = dev->run->height;
+	jpeg.image_width = hw->width;
+	jpeg.image_height = hw->height;
 	jpeg.input_components = 3;
 	jpeg.in_color_space = JCS_RGB;
 
@@ -95,9 +92,9 @@ void cpu_encoder_compress_buffer(
 	jpeg_start_compress(&jpeg, TRUE);
 
 #	define WRITE_SCANLINES(_format, _func) \
-		case _format: { _func(&jpeg, dev->run->hw_buffers[index].data, dev->run->width, dev->run->height); break; }
+		case _format: { _func(&jpeg, hw->data, hw->width, hw->height); break; }
 
-	switch (dev->run->format) {
+	switch (hw->format) {
 		// https://www.fourcc.org/yuv.php
 		WRITE_SCANLINES(V4L2_PIX_FMT_YUYV, _jpeg_write_scanlines_yuyv);
 		WRITE_SCANLINES(V4L2_PIX_FMT_UYVY, _jpeg_write_scanlines_uyvy);
diff --git a/src/ustreamer/encoders/cpu/encoder.h b/src/ustreamer/encoders/cpu/encoder.h
index 7701296..b59c2e8 100644
--- a/src/ustreamer/encoders/cpu/encoder.h
+++ b/src/ustreamer/encoders/cpu/encoder.h
@@ -26,6 +26,4 @@
 #include "../../picture.h"
 
 
-void cpu_encoder_compress_buffer(
-	struct device_t *dev, unsigned index, unsigned quality,
-	struct picture_t *picture);
+void cpu_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture, unsigned quality);
diff --git a/src/ustreamer/encoders/hw/encoder.c b/src/ustreamer/encoders/hw/encoder.c
index 6294189..bba9826 100644
--- a/src/ustreamer/encoders/hw/encoder.c
+++ b/src/ustreamer/encoders/hw/encoder.c
@@ -63,11 +63,11 @@ int hw_encoder_prepare(struct device_t *dev, unsigned quality) {
 	return 0;
 }
 
-void hw_encoder_compress_buffer(struct device_t *dev, unsigned index, struct picture_t *picture) {
-	if (dev->run->format != V4L2_PIX_FMT_MJPEG && dev->run->format != V4L2_PIX_FMT_JPEG) {
+void hw_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture) {
+	if (hw->format != V4L2_PIX_FMT_MJPEG && hw->format != V4L2_PIX_FMT_JPEG) {
 		assert(0 && "Unsupported input format for HW encoder");
 	}
-	_copy_plus_huffman(&dev->run->hw_buffers[index], picture);
+	_copy_plus_huffman(hw, picture);
 }
 
 void _copy_plus_huffman(const struct hw_buffer_t *src, struct picture_t *dest) {
diff --git a/src/ustreamer/encoders/hw/encoder.h b/src/ustreamer/encoders/hw/encoder.h
index 3268735..27a9600 100644
--- a/src/ustreamer/encoders/hw/encoder.h
+++ b/src/ustreamer/encoders/hw/encoder.h
@@ -27,4 +27,4 @@
 
 
 int hw_encoder_prepare(struct device_t *dev, unsigned quality);
-void hw_encoder_compress_buffer(struct device_t *dev, unsigned index, struct picture_t *picture);
+void hw_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture);
diff --git a/src/ustreamer/encoders/omx/encoder.c b/src/ustreamer/encoders/omx/encoder.c
index cd59f16..774f3f1 100644
--- a/src/ustreamer/encoders/omx/encoder.c
+++ b/src/ustreamer/encoders/omx/encoder.c
@@ -176,16 +176,12 @@ int omx_encoder_prepare(struct omx_encoder_t *omx, struct device_t *dev, unsigne
 	return 0;
 }
 
-int omx_encoder_compress_buffer(
-	struct omx_encoder_t *omx, struct device_t *dev, unsigned index,
-	struct picture_t *picture) {
-
-#	define HW(_next)	dev->run->hw_buffers[index]._next
+int omx_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture) {
 #	define IN(_next)	omx->input_buffer->_next
 #	define OUT(_next)	omx->output_buffer->_next
 
 	OMX_ERRORTYPE error;
-	size_t slice_size = (IN(nAllocLen) < HW(used) ? IN(nAllocLen) : HW(used));
+	size_t slice_size = (IN(nAllocLen) < hw->used ? IN(nAllocLen) : hw->used);
 	size_t pos = 0;
 
 	if ((error = OMX_FillThisBuffer(omx->encoder, omx->output_buffer)) != OMX_ErrorNone) {
@@ -221,18 +217,18 @@ int omx_encoder_compress_buffer(
 		if (omx->input_required) {
 			omx->input_required = false;
 
-			if (pos == HW(used)) {
+			if (pos == hw->used) {
 				continue;
 			}
 
-			memcpy(IN(pBuffer), HW(data) + pos, slice_size);
+			memcpy(IN(pBuffer), hw->data + pos, slice_size);
 			IN(nOffset) = 0;
 			IN(nFilledLen) = slice_size;
 
 			pos += slice_size;
 
-			if (pos + slice_size > HW(used)) {
-				slice_size = HW(used) - pos;
+			if (pos + slice_size > hw->used) {
+				slice_size = hw->used - pos;
 			}
 
 			if ((error = OMX_EmptyThisBuffer(omx->encoder, omx->input_buffer)) != OMX_ErrorNone) {
@@ -248,7 +244,6 @@ int omx_encoder_compress_buffer(
 
 #	undef OUT
 #	undef IN
-#	undef HW
 	return 0;
 }
 
diff --git a/src/ustreamer/encoders/omx/encoder.h b/src/ustreamer/encoders/omx/encoder.h
index 9645524..9995286 100644
--- a/src/ustreamer/encoders/omx/encoder.h
+++ b/src/ustreamer/encoders/omx/encoder.h
@@ -56,7 +56,4 @@ struct omx_encoder_t *omx_encoder_init(void);
 void omx_encoder_destroy(struct omx_encoder_t *omx);
 
 int omx_encoder_prepare(struct omx_encoder_t *omx, struct device_t *dev, unsigned quality);
-
-int omx_encoder_compress_buffer(
-	struct omx_encoder_t *omx, struct device_t *dev, unsigned index,
-	struct picture_t *picture);
+int omx_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture);
diff --git a/src/ustreamer/stream.c b/src/ustreamer/stream.c
index 0293b7d..471eff4 100644
--- a/src/ustreamer/stream.c
+++ b/src/ustreamer/stream.c
@@ -239,9 +239,9 @@ void stream_loop(struct stream_t *stream) {
 									rawsink,
 									DEV(run->hw_buffers[buf_index].data),
 									DEV(run->hw_buffers[buf_index].used),
-									DEV(run->format),
-									DEV(run->width),
-									DEV(run->height),
+									DEV(run->hw_buffers[buf_index].format),
+									DEV(run->hw_buffers[buf_index].width),
+									DEV(run->hw_buffers[buf_index].height),
 									DEV(run->hw_buffers[buf_index].grab_ts)
 								);
 							}
@@ -461,9 +461,8 @@ static void *_worker_thread(void *v_worker) {
 
 			wr->job_failed = (bool)encoder_compress_buffer(
 				wr->stream->encoder,
-				wr->stream->dev,
 				wr->number,
-				wr->buf_index,
+				&wr->stream->dev->run->hw_buffers[wr->buf_index],
 				wr->picture
 			);