diff --git a/src/ustreamer/device.c b/src/ustreamer/device.c
index b7f26bc..5b5d7e0 100644
--- a/src/ustreamer/device.c
+++ b/src/ustreamer/device.c
@@ -296,8 +296,8 @@ int device_grab_buffer(struct device_t *dev) {
 
 	// Workaround for broken, corrupted frames:
 	// Under low light conditions corrupted frames may get captured.
-	// The good thing is such frames are quite small compared to the regular pictures.
-	// For example a VGA (640x480) webcam picture is normally >= 8kByte large,
+	// The good thing is such frames are quite small compared to the regular frames.
+	// For example a VGA (640x480) webcam frame is normally >= 8kByte large,
 	// corrupted frames are smaller.
 	if (buf_info.bytesused < dev->min_frame_size) {
 		LOG_DEBUG("Dropped too small frame sized %d bytes, assuming it was broken", buf_info.bytesused);
diff --git a/src/ustreamer/encoder.c b/src/ustreamer/encoder.c
index e408ceb..bd39126 100644
--- a/src/ustreamer/encoder.c
+++ b/src/ustreamer/encoder.c
@@ -209,26 +209,26 @@ void encoder_get_runtime_params(struct encoder_t *encoder, enum encoder_type_t *
 #pragma GCC diagnostic push
 int encoder_compress_buffer(
 	struct encoder_t *encoder, unsigned worker_number,
-	struct hw_buffer_t *hw, struct picture_t *picture) {
+	struct hw_buffer_t *hw, struct frame_t *frame) {
 #pragma GCC diagnostic pop
 
 	assert(ER(type) != ENCODER_TYPE_UNKNOWN);
 	assert(hw->used > 0);
 
-	picture->grab_ts = hw->grab_ts;
-	picture->encode_begin_ts = get_now_monotonic();
+	frame->grab_ts = hw->grab_ts;
+	frame->encode_begin_ts = get_now_monotonic();
 
 	if (ER(type) == ENCODER_TYPE_CPU) {
 		LOG_VERBOSE("Compressing buffer using CPU");
-		cpu_encoder_compress_buffer(hw, picture, ER(quality));
+		cpu_encoder_compress_buffer(hw, frame, ER(quality));
 	} else if (ER(type) == ENCODER_TYPE_HW) {
 		LOG_VERBOSE("Compressing buffer using HW (just copying)");
-		hw_encoder_compress_buffer(hw, picture);
+		hw_encoder_compress_buffer(hw, frame);
 	}
 #	ifdef WITH_OMX
 	else if (ER(type) == ENCODER_TYPE_OMX) {
 		LOG_VERBOSE("Compressing buffer using OMX");
-		if (omx_encoder_compress_buffer(ER(omxs[worker_number]), hw, picture) < 0) {
+		if (omx_encoder_compress_buffer(ER(omxs[worker_number]), hw, frame) < 0) {
 			goto error;
 		}
 	}
@@ -240,10 +240,10 @@ int encoder_compress_buffer(
 	}
 #	endif
 
-	picture->encode_end_ts = get_now_monotonic();
+	frame->encode_end_ts = get_now_monotonic();
 
-	picture->width = hw->width;
-	picture->height = hw->height;
+	frame->width = hw->width;
+	frame->height = hw->height;
 
 	return 0;
 
diff --git a/src/ustreamer/encoder.h b/src/ustreamer/encoder.h
index d13a73f..e22d749 100644
--- a/src/ustreamer/encoder.h
+++ b/src/ustreamer/encoder.h
@@ -35,7 +35,7 @@
 #include "../common/logging.h"
 
 #include "device.h"
-#include "picture.h"
+#include "frame.h"
 
 #include "encoders/cpu/encoder.h"
 #include "encoders/hw/encoder.h"
@@ -113,4 +113,4 @@ void encoder_get_runtime_params(struct encoder_t *encoder, enum encoder_type_t *
 
 int encoder_compress_buffer(
 	struct encoder_t *encoder, unsigned worker_number,
-	struct hw_buffer_t *hw, struct picture_t *picture);
+	struct hw_buffer_t *hw, struct frame_t *frame);
diff --git a/src/ustreamer/encoders/cpu/encoder.c b/src/ustreamer/encoders/cpu/encoder.c
index 7f72a3a..b9100c3 100644
--- a/src/ustreamer/encoders/cpu/encoder.c
+++ b/src/ustreamer/encoders/cpu/encoder.c
@@ -31,11 +31,11 @@
 struct _jpeg_dest_manager_t {
 	struct				jpeg_destination_mgr mgr; // Default manager
 	JOCTET				*buffer; // Start of buffer
-	struct picture_t	*picture;
+	struct frame_t	*frame;
 };
 
 
-static void _jpeg_set_picture(j_compress_ptr jpeg, struct picture_t *picture);
+static void _jpeg_set_picture(j_compress_ptr jpeg, struct frame_t *frame);
 
 static void _jpeg_write_scanlines_yuyv(
 	struct jpeg_compress_struct *jpeg, const unsigned char *data,
@@ -58,7 +58,7 @@ 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 hw_buffer_t *hw, struct picture_t *picture, unsigned quality) {
+void cpu_encoder_compress_buffer(struct hw_buffer_t *hw, struct frame_t *frame, unsigned quality) {
 	// This function based on compress_image_to_jpeg() from mjpg-streamer
 
 	struct jpeg_compress_struct jpeg;
@@ -67,7 +67,7 @@ void cpu_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *pictu
 	jpeg.err = jpeg_std_error(&jpeg_error);
 	jpeg_create_compress(&jpeg);
 
-	_jpeg_set_picture(&jpeg, picture);
+	_jpeg_set_picture(&jpeg, frame);
 
 	jpeg.image_width = hw->width;
 	jpeg.image_height = hw->height;
@@ -96,10 +96,10 @@ void cpu_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *pictu
 	jpeg_finish_compress(&jpeg);
 	jpeg_destroy_compress(&jpeg);
 
-	assert(picture->used > 0);
+	assert(frame->used > 0);
 }
 
-static void _jpeg_set_picture(j_compress_ptr jpeg, struct picture_t *picture) {
+static void _jpeg_set_picture(j_compress_ptr jpeg, struct frame_t *frame) {
 	struct _jpeg_dest_manager_t *dest;
 
 	if (jpeg->dest == NULL) {
@@ -112,9 +112,9 @@ static void _jpeg_set_picture(j_compress_ptr jpeg, struct picture_t *picture) {
 	dest->mgr.init_destination = _jpeg_init_destination;
 	dest->mgr.empty_output_buffer = _jpeg_empty_output_buffer;
 	dest->mgr.term_destination = _jpeg_term_destination;
-	dest->picture = picture;
+	dest->frame = frame;
 
-	picture->used = 0;
+	frame->used = 0;
 }
 
 #define YUV_R(_y, _, _v)	(((_y) + (359 * (_v))) >> 8)
@@ -265,7 +265,7 @@ static boolean _jpeg_empty_output_buffer(j_compress_ptr jpeg) {
 
 	struct _jpeg_dest_manager_t *dest = (struct _jpeg_dest_manager_t *)jpeg->dest;
 
-	picture_append_data(dest->picture, dest->buffer, JPEG_OUTPUT_BUFFER_SIZE);
+	frame_append_data(dest->frame, dest->buffer, JPEG_OUTPUT_BUFFER_SIZE);
 
 	dest->mgr.next_output_byte = dest->buffer;
 	dest->mgr.free_in_buffer = JPEG_OUTPUT_BUFFER_SIZE;
@@ -281,7 +281,7 @@ static void _jpeg_term_destination(j_compress_ptr jpeg) {
 	size_t final = JPEG_OUTPUT_BUFFER_SIZE - dest->mgr.free_in_buffer;
 
 	// Write any data remaining in the buffer.
-	picture_append_data(dest->picture, dest->buffer, final);
+	frame_append_data(dest->frame, dest->buffer, final);
 }
 
 #undef JPEG_OUTPUT_BUFFER_SIZE
diff --git a/src/ustreamer/encoders/cpu/encoder.h b/src/ustreamer/encoders/cpu/encoder.h
index 7e4ae0f..d1f0e87 100644
--- a/src/ustreamer/encoders/cpu/encoder.h
+++ b/src/ustreamer/encoders/cpu/encoder.h
@@ -31,8 +31,8 @@
 #include <linux/videodev2.h>
 
 #include "../../../common/tools.h"
-#include "../../picture.h"
+#include "../../frame.h"
 #include "../../device.h"
 
 
-void cpu_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture, unsigned quality);
+void cpu_encoder_compress_buffer(struct hw_buffer_t *hw, struct frame_t *frame, unsigned quality);
diff --git a/src/ustreamer/encoders/hw/encoder.c b/src/ustreamer/encoders/hw/encoder.c
index 3c9f2a0..cf938b3 100644
--- a/src/ustreamer/encoders/hw/encoder.c
+++ b/src/ustreamer/encoders/hw/encoder.c
@@ -28,7 +28,7 @@
 #include "encoder.h"
 
 
-void _copy_plus_huffman(const struct hw_buffer_t *src, struct picture_t *dest);
+void _copy_plus_huffman(const struct hw_buffer_t *src, struct frame_t *dest);
 static bool _is_huffman(const unsigned char *data);
 
 
@@ -49,14 +49,14 @@ int hw_encoder_prepare(struct device_t *dev, unsigned quality) {
 	return 0;
 }
 
-void hw_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture) {
+void hw_encoder_compress_buffer(struct hw_buffer_t *hw, struct frame_t *frame) {
 	if (hw->format != V4L2_PIX_FMT_MJPEG && hw->format != V4L2_PIX_FMT_JPEG) {
 		assert(0 && "Unsupported input format for HW encoder");
 	}
-	_copy_plus_huffman(hw, picture);
+	_copy_plus_huffman(hw, frame);
 }
 
-void _copy_plus_huffman(const struct hw_buffer_t *src, struct picture_t *dest) {
+void _copy_plus_huffman(const struct hw_buffer_t *src, struct frame_t *dest) {
 	if (!_is_huffman(src->data)) {
 		const unsigned char *src_ptr = src->data;
 		const unsigned char *src_end = src->data + src->used;
@@ -71,11 +71,11 @@ void _copy_plus_huffman(const struct hw_buffer_t *src, struct picture_t *dest) {
 		}
 		paste = src_ptr - src->data;
 
-		picture_set_data(dest, src->data, paste);
-		picture_append_data(dest, HUFFMAN_TABLE, sizeof(HUFFMAN_TABLE));
-		picture_append_data(dest, src_ptr, src->used - paste);
+		frame_set_data(dest, src->data, paste);
+		frame_append_data(dest, HUFFMAN_TABLE, sizeof(HUFFMAN_TABLE));
+		frame_append_data(dest, src_ptr, src->used - paste);
 	} else {
-		picture_set_data(dest, src->data, src->used);
+		frame_set_data(dest, src->data, src->used);
 	}
 }
 
diff --git a/src/ustreamer/encoders/hw/encoder.h b/src/ustreamer/encoders/hw/encoder.h
index fe784bf..436f1a8 100644
--- a/src/ustreamer/encoders/hw/encoder.h
+++ b/src/ustreamer/encoders/hw/encoder.h
@@ -31,11 +31,11 @@
 #include "../../../common/tools.h"
 #include "../../../common/logging.h"
 #include "../../xioctl.h"
-#include "../../picture.h"
+#include "../../frame.h"
 #include "../../device.h"
 
 #include "huffman.h"
 
 
 int hw_encoder_prepare(struct device_t *dev, unsigned quality);
-void hw_encoder_compress_buffer(struct hw_buffer_t *hw, struct picture_t *picture);
+void hw_encoder_compress_buffer(struct hw_buffer_t *hw, struct frame_t *frame);
diff --git a/src/ustreamer/encoders/omx/encoder.c b/src/ustreamer/encoders/omx/encoder.c
index d214b94..5c95927 100644
--- a/src/ustreamer/encoders/omx/encoder.c
+++ b/src/ustreamer/encoders/omx/encoder.c
@@ -154,7 +154,7 @@ 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 hw_buffer_t *hw, struct picture_t *picture) {
+int omx_encoder_compress_buffer(struct omx_encoder_t *omx, struct hw_buffer_t *hw, struct frame_t *frame) {
 #	define IN(_next)	omx->input_buffer->_next
 #	define OUT(_next)	omx->output_buffer->_next
 
@@ -167,7 +167,7 @@ int omx_encoder_compress_buffer(struct omx_encoder_t *omx, struct hw_buffer_t *h
 		return -1;
 	}
 
-	picture->used = 0;
+	frame->used = 0;
 	omx->output_available = false;
 	omx->input_required = true;
 
@@ -179,7 +179,7 @@ int omx_encoder_compress_buffer(struct omx_encoder_t *omx, struct hw_buffer_t *h
 		if (omx->output_available) {
 			omx->output_available = false;
 
-			picture_append_data(picture, OUT(pBuffer) + OUT(nOffset), OUT(nFilledLen));
+			frame_append_data(frame, OUT(pBuffer) + OUT(nOffset), OUT(nFilledLen));
 
 			if (OUT(nFlags) & OMX_BUFFERFLAG_ENDOFFRAME) {
 				OUT(nFlags) = 0;
@@ -322,7 +322,7 @@ static int _omx_setup_input(struct omx_encoder_t *omx, struct device_t *dev) {
 	portdef.format.image.nSliceHeight = align_size(dev->run->height, 16);
 	portdef.format.image.bFlagErrorConcealment = OMX_FALSE;
 	portdef.format.image.eCompressionFormat = OMX_IMAGE_CodingUnused;
-	portdef.nBufferSize = picture_get_generous_size(dev->run->width, dev->run->height);
+	portdef.nBufferSize = frame_get_generous_size(dev->run->width, dev->run->height);
 
 #	define MAP_FORMAT(_v4l2_format, _omx_format) \
 		case _v4l2_format: { portdef.format.image.eColorFormat = _omx_format; break; }
diff --git a/src/ustreamer/encoders/omx/encoder.h b/src/ustreamer/encoders/omx/encoder.h
index d5abbd6..f3c98c7 100644
--- a/src/ustreamer/encoders/omx/encoder.h
+++ b/src/ustreamer/encoders/omx/encoder.h
@@ -39,7 +39,7 @@
 #include "../../../common/logging.h"
 #include "../../../common/tools.h"
 #include "../../device.h"
-#include "../../picture.h"
+#include "../../frame.h"
 
 #include "formatters.h"
 #include "component.h"
@@ -71,4 +71,4 @@ 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 hw_buffer_t *hw, struct picture_t *picture);
+int omx_encoder_compress_buffer(struct omx_encoder_t *omx, struct hw_buffer_t *hw, struct frame_t *frame);
diff --git a/src/ustreamer/picture.c b/src/ustreamer/frame.c
similarity index 60%
rename from src/ustreamer/picture.c
rename to src/ustreamer/frame.c
index c869cc8..db6f8e5 100644
--- a/src/ustreamer/picture.c
+++ b/src/ustreamer/frame.c
@@ -20,52 +20,52 @@
 *****************************************************************************/
 
 
-#include "picture.h"
+#include "frame.h"
 
 
-struct picture_t *picture_init(void) {
-	struct picture_t *picture;
+struct frame_t *frame_init(void) {
+	struct frame_t *frame;
 
-	A_CALLOC(picture, 1);
-	return picture;
+	A_CALLOC(frame, 1);
+	return frame;
 }
 
-void picture_destroy(struct picture_t *picture) {
-	if (picture->data) {
-		free(picture->data);
+void frame_destroy(struct frame_t *frame) {
+	if (frame->data) {
+		free(frame->data);
 	}
-	free(picture);
+	free(frame);
 }
 
-size_t picture_get_generous_size(unsigned width, unsigned height) {
+size_t frame_get_generous_size(unsigned width, unsigned height) {
 	return ((width * height) << 1) * 2;
 }
 
-void picture_realloc_data(struct picture_t *picture, size_t size) {
-	if (picture->allocated < size) {
-		LOG_DEBUG("Increasing picture %p buffer: %zu -> %zu (+%zu)",
-			picture, picture->allocated, size, size - picture->allocated);
-		A_REALLOC(picture->data, size);
-		picture->allocated = size;
+void frame_realloc_data(struct frame_t *frame, size_t size) {
+	if (frame->allocated < size) {
+		LOG_DEBUG("Increasing frame %p buffer: %zu -> %zu (+%zu)",
+			frame, frame->allocated, size, size - frame->allocated);
+		A_REALLOC(frame->data, size);
+		frame->allocated = size;
 	}
 }
 
-void picture_set_data(struct picture_t *picture, const unsigned char *data, size_t size) {
-	picture_realloc_data(picture, size);
-	memcpy(picture->data, data, size);
-	picture->used = size;
+void frame_set_data(struct frame_t *frame, const unsigned char *data, size_t size) {
+	frame_realloc_data(frame, size);
+	memcpy(frame->data, data, size);
+	frame->used = size;
 }
 
-void picture_append_data(struct picture_t *picture, const unsigned char *data, size_t size) {
-	size_t new_used = picture->used + size;
+void frame_append_data(struct frame_t *frame, const unsigned char *data, size_t size) {
+	size_t new_used = frame->used + size;
 
-	picture_realloc_data(picture, new_used);
-	memcpy(picture->data + picture->used, data, size);
-	picture->used = new_used;
+	frame_realloc_data(frame, new_used);
+	memcpy(frame->data + frame->used, data, size);
+	frame->used = new_used;
 }
 
-void picture_copy(const struct picture_t *src, struct picture_t *dest) {
-	picture_set_data(dest, src->data, src->used);
+void frame_copy(const struct frame_t *src, struct frame_t *dest) {
+	frame_set_data(dest, src->data, src->used);
 
 #	define COPY(_field) dest->_field = src->_field
 
@@ -81,7 +81,7 @@ void picture_copy(const struct picture_t *src, struct picture_t *dest) {
 #	undef COPY
 }
 
-bool picture_compare(const struct picture_t *a, const struct picture_t *b) {
+bool frame_compare(const struct frame_t *a, const struct frame_t *b) {
 	return (
 		a->allocated && b->allocated
 		&& a->used == b->used
diff --git a/src/ustreamer/picture.h b/src/ustreamer/frame.h
similarity index 77%
rename from src/ustreamer/picture.h
rename to src/ustreamer/frame.h
index 0dd0b09..10e86a1 100644
--- a/src/ustreamer/picture.h
+++ b/src/ustreamer/frame.h
@@ -32,7 +32,7 @@
 #include "../common/logging.h"
 
 
-struct picture_t {
+struct frame_t {
 	unsigned char	*data;
 	size_t			used;
 	size_t			allocated;
@@ -44,14 +44,14 @@ struct picture_t {
 };
 
 
-struct picture_t *picture_init(void);
-void picture_destroy(struct picture_t *picture);
+struct frame_t *frame_init(void);
+void frame_destroy(struct frame_t *frame);
 
-size_t picture_get_generous_size(unsigned width, unsigned height);
+size_t frame_get_generous_size(unsigned width, unsigned height);
 
-void picture_realloc_data(struct picture_t *picture, size_t size);
-void picture_set_data(struct picture_t *picture, const unsigned char *data, size_t size);
-void picture_append_data(struct picture_t *picture, const unsigned char *data, size_t size);
+void frame_realloc_data(struct frame_t *frame, size_t size);
+void frame_set_data(struct frame_t *frame, const unsigned char *data, size_t size);
+void frame_append_data(struct frame_t *frame, const unsigned char *data, size_t size);
 
-void picture_copy(const struct picture_t *src, struct picture_t *dest);
-bool picture_compare(const struct picture_t *a, const struct picture_t *b);
+void frame_copy(const struct frame_t *src, struct frame_t *dest);
+bool frame_compare(const struct frame_t *a, const struct frame_t *b);
diff --git a/src/ustreamer/http/blank.c b/src/ustreamer/http/blank.c
index 0613a42..4951c54 100644
--- a/src/ustreamer/http/blank.c
+++ b/src/ustreamer/http/blank.c
@@ -30,7 +30,7 @@
 
 #include "../../common/tools.h"
 #include "../../common/logging.h"
-#include "../picture.h"
+#include "../frame.h"
 
 #include "data/blank_jpeg.h"
 
@@ -41,15 +41,15 @@ struct _jpeg_error_manager_t {
 };
 
 
-static struct picture_t *_init_internal(void);
-static struct picture_t *_init_external(const char *path);
+static struct frame_t *_init_internal(void);
+static struct frame_t *_init_external(const char *path);
 
 static int _jpeg_read_geometry(FILE *fp, unsigned *width, unsigned *height);
 static void _jpeg_error_handler(j_common_ptr jpeg);
 
 
-struct picture_t *blank_picture_init(const char *path) {
-	struct picture_t *blank = NULL;
+struct frame_t *blank_picture_init(const char *path) {
+	struct frame_t *blank = NULL;
 
 	if (path) {
 		blank = _init_external(path);
@@ -64,21 +64,21 @@ struct picture_t *blank_picture_init(const char *path) {
 	return blank;
 }
 
-static struct picture_t *_init_internal(void) {
-	struct picture_t *blank;
+static struct frame_t *_init_internal(void) {
+	struct frame_t *blank;
 
-	blank = picture_init();
-	picture_set_data(blank, BLANK_JPEG_DATA, ARRAY_LEN(BLANK_JPEG_DATA));
+	blank = frame_init();
+	frame_set_data(blank, BLANK_JPEG_DATA, ARRAY_LEN(BLANK_JPEG_DATA));
 	blank->width = BLANK_JPEG_WIDTH;
 	blank->height = BLANK_JPEG_HEIGHT;
 	return blank;
 }
 
-static struct picture_t *_init_external(const char *path) {
+static struct frame_t *_init_external(const char *path) {
 	FILE *fp = NULL;
-	struct picture_t *blank;
+	struct frame_t *blank;
 
-	blank = picture_init();
+	blank = frame_init();
 
 	if ((fp = fopen(path, "rb")) == NULL) {
 		LOG_PERROR("Can't open blank placeholder '%s'", path);
@@ -97,7 +97,7 @@ static struct picture_t *_init_external(const char *path) {
 #	define CHUNK_SIZE ((size_t)(100 * 1024))
 	while (true) {
 		if (blank->used + CHUNK_SIZE >= blank->allocated) {
-			picture_realloc_data(blank, blank->used + CHUNK_SIZE * 2);
+			frame_realloc_data(blank, blank->used + CHUNK_SIZE * 2);
 		}
 
 		size_t readed = fread(blank->data + blank->used, 1, CHUNK_SIZE, fp);
@@ -115,7 +115,7 @@ static struct picture_t *_init_external(const char *path) {
 #	undef CHUNK_SIZE
 
 	error:
-		picture_destroy(blank);
+		frame_destroy(blank);
 		blank = NULL;
 
 	ok:
diff --git a/src/ustreamer/http/blank.h b/src/ustreamer/http/blank.h
index 9d8b39e..010bda5 100644
--- a/src/ustreamer/http/blank.h
+++ b/src/ustreamer/http/blank.h
@@ -22,7 +22,7 @@
 
 #pragma once
 
-#include "../picture.h"
+#include "../frame.h"
 
 
-struct picture_t *blank_picture_init(const char *path);
+struct frame_t *blank_picture_init(const char *path);
diff --git a/src/ustreamer/http/server.c b/src/ustreamer/http/server.c
index 3b458b6..bbc4ad8 100644
--- a/src/ustreamer/http/server.c
+++ b/src/ustreamer/http/server.c
@@ -55,7 +55,7 @@
 #include "../../common/threading.h"
 #include "../../common/logging.h"
 #include "../../common/process.h"
-#include "../picture.h"
+#include "../frame.h"
 #include "../encoder.h"
 #include "../stream.h"
 #ifdef WITH_GPIO
@@ -84,7 +84,7 @@ static void _http_callback_stream_write(struct bufferevent *buf_event, void *v_c
 static void _http_callback_stream_error(struct bufferevent *buf_event, short what, void *v_ctx);
 
 static void _http_exposed_refresh(int fd, short event, void *v_server);
-static void _http_queue_send_stream(struct http_server_t *server, bool stream_updated, bool picture_updated);
+static void _http_queue_send_stream(struct http_server_t *server, bool stream_updated, bool frame_updated);
 
 static bool _expose_new_picture_unsafe(struct http_server_t *server);
 static bool _expose_blank_picture(struct http_server_t *server);
@@ -103,7 +103,7 @@ struct http_server_t *http_server_init(struct stream_t *stream) {
 	struct exposed_t *exposed;
 
 	A_CALLOC(exposed, 1);
-	exposed->picture = picture_init();
+	exposed->frame = frame_init();
 
 	A_CALLOC(run, 1);
 	run->stream = stream;
@@ -158,10 +158,10 @@ void http_server_destroy(struct http_server_t *server) {
 	}
 
 	if (RUN(blank)) {
-		picture_destroy(RUN(blank));
+		frame_destroy(RUN(blank));
 	}
 
-	picture_destroy(EX(picture));
+	frame_destroy(EX(frame));
 	free(RUN(exposed));
 	free(server->run);
 	free(server);
@@ -184,13 +184,13 @@ int http_server_listen(struct http_server_t *server) {
 	RUN(blank) = blank_picture_init(server->blank_path);
 
 	// See _expose_blank_picture()
-	picture_copy(RUN(blank), EX(picture));
+	frame_copy(RUN(blank), EX(frame));
 	EX(expose_begin_ts) = get_now_monotonic();
 	EX(expose_cmp_ts) = EX(expose_begin_ts);
 	EX(expose_end_ts) = EX(expose_begin_ts);
 	// See _http_exposed_refresh()
-	EX(notify_last_width) = EX(picture->width);
-	EX(notify_last_height) = EX(picture->height);
+	EX(notify_last_width) = EX(frame->width);
+	EX(notify_last_height) = EX(frame->height);
 
 	{
 		struct timeval refresh_interval;
@@ -411,8 +411,8 @@ static void _http_callback_state(struct evhttp_request *request, void *v_server)
 		" \"stream\": {\"queued_fps\": %u, \"clients\": %u, \"clients_stat\": {",
 		encoder_type_to_string(encoder_type),
 		encoder_quality,
-		(server->fake_width ? server->fake_width : EX(picture->width)),
-		(server->fake_height ? server->fake_height : EX(picture->height)),
+		(server->fake_width ? server->fake_width : EX(frame->width)),
+		(server->fake_height ? server->fake_height : EX(frame->height)),
 		bool_to_string(EX(online)),
 		STREAM(dev->desired_fps),
 		EX(captured_fps),
@@ -447,7 +447,7 @@ static void _http_callback_snapshot(struct evhttp_request *request, void *v_serv
 	PREPROCESS_REQUEST;
 
 	assert((buf = evbuffer_new()));
-	assert(!evbuffer_add(buf, (const void *)EX(picture->data), EX(picture->used)));
+	assert(!evbuffer_add(buf, (const void *)EX(frame->data), EX(frame->used)));
 
 	if (server->allow_origin[0] != '\0') {
 		ADD_HEADER("Access-Control-Allow-Origin", server->allow_origin);
@@ -470,11 +470,11 @@ static void _http_callback_snapshot(struct evhttp_request *request, void *v_serv
 
 	ADD_HEADER("X-UStreamer-Online",						bool_to_string(EX(online)));
 	ADD_UNSIGNED_HEADER("X-UStreamer-Dropped",				EX(dropped));
-	ADD_UNSIGNED_HEADER("X-UStreamer-Width",				EX(picture->width));
-	ADD_UNSIGNED_HEADER("X-UStreamer-Height",				EX(picture->height));
-	ADD_TIME_HEADER("X-UStreamer-Grab-Timestamp",			EX(picture->grab_ts));
-	ADD_TIME_HEADER("X-UStreamer-Encode-Begin-Timestamp",	EX(picture->encode_begin_ts));
-	ADD_TIME_HEADER("X-UStreamer-Encode-End-Timestamp",		EX(picture->encode_end_ts));
+	ADD_UNSIGNED_HEADER("X-UStreamer-Width",				EX(frame->width));
+	ADD_UNSIGNED_HEADER("X-UStreamer-Height",				EX(frame->height));
+	ADD_TIME_HEADER("X-UStreamer-Grab-Timestamp",			EX(frame->grab_ts));
+	ADD_TIME_HEADER("X-UStreamer-Encode-Begin-Timestamp",	EX(frame->encode_begin_ts));
+	ADD_TIME_HEADER("X-UStreamer-Encode-End-Timestamp",		EX(frame->encode_end_ts));
 	ADD_TIME_HEADER("X-UStreamer-Expose-Begin-Timestamp",	EX(expose_begin_ts));
 	ADD_TIME_HEADER("X-UStreamer-Expose-Cmp-Timestamp",		EX(expose_cmp_ts));
 	ADD_TIME_HEADER("X-UStreamer-Expose-End-Timestamp",		EX(expose_end_ts));
@@ -645,7 +645,7 @@ static void _http_callback_stream_write(struct bufferevent *buf_event, void *v_c
 			"Content-Length: %zu" RN
 			"X-Timestamp: %.06Lf" RN
 			"%s",
-			EX(picture->used),
+			EX(frame->used),
 			get_now_real(),
 			(client->extra_headers ? "" : RN)
 		));
@@ -666,12 +666,12 @@ static void _http_callback_stream_write(struct bufferevent *buf_event, void *v_c
 				RN,
 				bool_to_string(EX(online)),
 				EX(dropped),
-				EX(picture->width),
-				EX(picture->height),
+				EX(frame->width),
+				EX(frame->height),
 				client->fps,
-				EX(picture->grab_ts),
-				EX(picture->encode_begin_ts),
-				EX(picture->encode_end_ts),
+				EX(frame->grab_ts),
+				EX(frame->encode_begin_ts),
+				EX(frame->encode_end_ts),
 				EX(expose_begin_ts),
 				EX(expose_cmp_ts),
 				EX(expose_end_ts),
@@ -680,7 +680,7 @@ static void _http_callback_stream_write(struct bufferevent *buf_event, void *v_c
 		}
 	}
 
-	assert(!evbuffer_add(buf, (void *)EX(picture->data), EX(picture->used)));
+	assert(!evbuffer_add(buf, (void *)EX(frame->data), EX(frame->used)));
 	assert(evbuffer_add_printf(buf, RN "--" BOUNDARY RN));
 
 	if (client->advance_headers) {
@@ -744,7 +744,7 @@ static void _http_callback_stream_error(UNUSED struct bufferevent *buf_event, UN
 	free(client);
 }
 
-static void _http_queue_send_stream(struct http_server_t *server, bool stream_updated, bool picture_updated) {
+static void _http_queue_send_stream(struct http_server_t *server, bool stream_updated, bool frame_updated) {
 	struct evhttp_connection *conn;
 	struct bufferevent *buf_event;
 	long long now;
@@ -765,16 +765,16 @@ static void _http_queue_send_stream(struct http_server_t *server, bool stream_up
 				&& client->dual_final_frames
 				&& stream_updated
 				&& client->updated_prev
-				&& !picture_updated
+				&& !frame_updated
 			);
 
-			if (dual_update || picture_updated || client->need_first_frame) {
+			if (dual_update || frame_updated || client->need_first_frame) {
 				buf_event = evhttp_connection_get_bufferevent(conn);
 				bufferevent_setcb(buf_event, NULL, _http_callback_stream_write, _http_callback_stream_error, (void *)client);
 				bufferevent_enable(buf_event, EV_READ|EV_WRITE);
 
 				client->need_first_frame = false;
-				client->updated_prev = (picture_updated || client->need_first_frame); // Игнорировать dual
+				client->updated_prev = (frame_updated || client->need_first_frame); // Игнорировать dual
 				queued = true;
 			} else if (stream_updated) { // Для dual
 				client->updated_prev = false;
@@ -802,7 +802,7 @@ static void _http_queue_send_stream(struct http_server_t *server, bool stream_up
 static void _http_exposed_refresh(UNUSED int fd, UNUSED short what, void *v_server) {
 	struct http_server_t *server = (struct http_server_t *)v_server;
 	bool stream_updated = false;
-	bool picture_updated = false;
+	bool frame_updated = false;
 
 #	define UNLOCK_STREAM { \
 			atomic_store(&STREAM(video->updated), false); \
@@ -813,35 +813,35 @@ static void _http_exposed_refresh(UNUSED int fd, UNUSED short what, void *v_serv
 		LOG_DEBUG("Refreshing HTTP exposed ...");
 		A_MUTEX_LOCK(&STREAM(video->mutex));
 		if (STREAM(video->online)) {
-			picture_updated = _expose_new_picture_unsafe(server);
+			frame_updated = _expose_new_picture_unsafe(server);
 			UNLOCK_STREAM;
 		} else {
 			UNLOCK_STREAM;
-			picture_updated = _expose_blank_picture(server);
+			frame_updated = _expose_blank_picture(server);
 		}
 		stream_updated = true;
 	} else if (!EX(online)) {
 		LOG_DEBUG("Refreshing HTTP exposed (BLANK) ...");
-		picture_updated = _expose_blank_picture(server);
+		frame_updated = _expose_blank_picture(server);
 		stream_updated = true;
 	}
 
 #	undef UNLOCK_STREAM
 
-	_http_queue_send_stream(server, stream_updated, picture_updated);
+	_http_queue_send_stream(server, stream_updated, frame_updated);
 
 	if (
-		picture_updated
+		frame_updated
 		&& server->notify_parent
 		&& (
 			EX(notify_last_online) != EX(online)
-			|| EX(notify_last_width) != EX(picture->width)
-			|| EX(notify_last_height) != EX(picture->height)
+			|| EX(notify_last_width) != EX(frame->width)
+			|| EX(notify_last_height) != EX(frame->height)
 		)
 	) {
 		EX(notify_last_online) = EX(online);
-		EX(notify_last_width) = EX(picture->width);
-		EX(notify_last_height) = EX(picture->height);
+		EX(notify_last_width) = EX(frame->width);
+		EX(notify_last_height) = EX(frame->height);
 		process_notify_parent();
 	}
 }
@@ -854,7 +854,7 @@ static bool _expose_new_picture_unsafe(struct http_server_t *server) {
 		if (
 			EX(online)
 			&& EX(dropped) < server->drop_same_frames
-			&& picture_compare(EX(picture), STREAM(video->picture))
+			&& frame_compare(EX(frame), STREAM(video->frame))
 		) {
 			EX(expose_cmp_ts) = get_now_monotonic();
 			EX(expose_end_ts) = EX(expose_cmp_ts);
@@ -869,7 +869,7 @@ static bool _expose_new_picture_unsafe(struct http_server_t *server) {
 		}
 	}
 
-	picture_copy(STREAM(video->picture), EX(picture));
+	frame_copy(STREAM(video->frame), EX(frame));
 
 	EX(online) = true;
 	EX(dropped) = 0;
@@ -886,11 +886,11 @@ static bool _expose_blank_picture(struct http_server_t *server) {
 	EX(expose_begin_ts) = get_now_monotonic();
 	EX(expose_cmp_ts) = EX(expose_begin_ts);
 
-#	define EXPOSE_BLANK picture_copy(RUN(blank), EX(picture))
+#	define EXPOSE_BLANK frame_copy(RUN(blank), EX(frame))
 
 	if (EX(online)) { // Если переходим из online в offline
 		if (server->last_as_blank < 0) { // Если last_as_blank выключено, просто покажем картинку
-			LOG_INFO("HTTP: Changed picture to BLANK");
+			LOG_INFO("HTTP: Changed frame to BLANK");
 			EXPOSE_BLANK;
 		} else if (server->last_as_blank > 0) { // Если нужен таймер - запустим
 			LOG_INFO("HTTP: Freezing last alive frame for %d seconds", server->last_as_blank);
diff --git a/src/ustreamer/http/server.h b/src/ustreamer/http/server.h
index f0aaa17..75f3c86 100644
--- a/src/ustreamer/http/server.h
+++ b/src/ustreamer/http/server.h
@@ -30,7 +30,7 @@
 #include <event2/http.h>
 #include <event2/util.h>
 
-#include "../picture.h"
+#include "../frame.h"
 #include "../stream.h"
 
 
@@ -56,7 +56,7 @@ struct stream_client_t {
 };
 
 struct exposed_t {
-	struct picture_t	*picture;
+	struct frame_t	*frame;
 	unsigned			captured_fps;
 	unsigned			queued_fps;
 	bool				online;
@@ -81,7 +81,7 @@ struct http_server_runtime_t {
 	struct exposed_t		*exposed;
 	struct stream_client_t	*stream_clients;
 	unsigned				stream_clients_count;
-	struct picture_t		*blank;
+	struct frame_t			*blank;
 	unsigned				drop_same_frames_blank;
 };
 
diff --git a/src/ustreamer/stream.c b/src/ustreamer/stream.c
index d6e1fa7..5309f25 100644
--- a/src/ustreamer/stream.c
+++ b/src/ustreamer/stream.c
@@ -30,7 +30,7 @@ struct _worker_t {
 	atomic_bool			*workers_stop;
 
 	long double			last_comp_time;
-	struct picture_t	*picture;
+	struct frame_t		*frame;
 
 	pthread_mutex_t		has_job_mutex;
 	unsigned			buf_index;
@@ -70,7 +70,7 @@ struct _workers_pool_t {
 
 static struct _workers_pool_t *_stream_init_loop(struct stream_t *stream);
 static struct _workers_pool_t *_stream_init_one(struct stream_t *stream);
-static void _stream_expose_picture(struct stream_t *stream, struct picture_t *picture, unsigned captured_fps);
+static void _stream_expose_picture(struct stream_t *stream, struct frame_t *frame, unsigned captured_fps);
 
 static struct _workers_pool_t *_workers_pool_init(struct stream_t *stream);
 static void _workers_pool_destroy(struct _workers_pool_t *pool);
@@ -92,7 +92,7 @@ struct stream_t *stream_init(struct device_t *dev, struct encoder_t *encoder) {
 	atomic_init(&proc->slowdown, false);
 
 	A_CALLOC(video, 1);
-	video->picture = picture_init();
+	video->frame = frame_init();
 	atomic_init(&video->updated, false);
 	A_MUTEX_INIT(&video->mutex);
 
@@ -111,7 +111,7 @@ struct stream_t *stream_init(struct device_t *dev, struct encoder_t *encoder) {
 
 void stream_destroy(struct stream_t *stream) {
 	A_MUTEX_DESTROY(&stream->video->mutex);
-	picture_destroy(stream->video->picture);
+	frame_destroy(stream->video->frame);
 	free(stream->video);
 	free(stream->proc);
 	free(stream);
@@ -140,8 +140,8 @@ void stream_loop(struct stream_t *stream) {
 
 		LOG_INFO("Capturing ...");
 
-		LOG_DEBUG("Pre-allocating memory for stream picture ...");
-		picture_realloc_data(stream->video->picture, picture_get_generous_size(DEV(run->width), DEV(run->height)));
+		LOG_DEBUG("Pre-allocating memory for stream frame ...");
+		frame_realloc_data(stream->video->frame, frame_get_generous_size(DEV(run->width), DEV(run->height)));
 
 		while (!atomic_load(&stream->proc->stop)) {
 			struct _worker_t *ready_wr;
@@ -153,10 +153,10 @@ void stream_loop(struct stream_t *stream) {
 
 			if (!ready_wr->job_failed) {
 				if (ready_wr->job_timely) {
-					_stream_expose_picture(stream, ready_wr->picture, captured_fps);
-					LOG_PERF("##### Encoded picture exposed; worker=%u", ready_wr->number);
+					_stream_expose_picture(stream, ready_wr->frame, captured_fps);
+					LOG_PERF("##### Encoded frame exposed; worker=%u", ready_wr->number);
 				} else {
-					LOG_PERF("----- Encoded picture dropped; worker=%u", ready_wr->number);
+					LOG_PERF("----- Encoded frame dropped; worker=%u", ready_wr->number);
 				}
 			} else {
 				break;
@@ -333,10 +333,10 @@ static struct _workers_pool_t *_stream_init_one(struct stream_t *stream) {
 		return NULL;
 }
 
-static void _stream_expose_picture(struct stream_t *stream, struct picture_t *picture, unsigned captured_fps) {
+static void _stream_expose_picture(struct stream_t *stream, struct frame_t *frame, unsigned captured_fps) {
 	A_MUTEX_LOCK(&stream->video->mutex);
 
-	picture_copy(picture, stream->video->picture);
+	frame_copy(frame, stream->video->frame);
 
 	stream->video->online = true;
 	stream->video->captured_fps = captured_fps;
@@ -350,7 +350,7 @@ static struct _workers_pool_t *_workers_pool_init(struct stream_t *stream) {
 #	define RUN(_next) stream->dev->run->_next
 
 	struct _workers_pool_t *pool;
-	size_t picture_size = picture_get_generous_size(RUN(width), RUN(height));
+	size_t frame_size = frame_get_generous_size(RUN(width), RUN(height));
 
 	LOG_INFO("Creating pool with %u workers ...", stream->encoder->run->n_workers);
 
@@ -374,8 +374,8 @@ static struct _workers_pool_t *_workers_pool_init(struct stream_t *stream) {
 	for (unsigned number = 0; number < pool->n_workers; ++number) {
 #		define WR(_next) pool->workers[number]._next
 
-		WR(picture) = picture_init();
-		picture_realloc_data(WR(picture), picture_size);
+		WR(frame) = frame_init();
+		frame_realloc_data(WR(frame), frame_size);
 
 		A_MUTEX_INIT(&WR(has_job_mutex));
 		atomic_init(&WR(has_job), false);
@@ -416,7 +416,7 @@ static void _workers_pool_destroy(struct _workers_pool_t *pool) {
 		A_MUTEX_DESTROY(&WR(has_job_mutex));
 		A_COND_DESTROY(&WR(has_job_cond));
 
-		picture_destroy(WR(picture));
+		frame_destroy(WR(frame));
 
 #		undef WR
 	}
@@ -442,7 +442,7 @@ static void *_worker_thread(void *v_worker) {
 		A_MUTEX_UNLOCK(&wr->has_job_mutex);
 
 		if (!atomic_load(wr->workers_stop)) {
-#			define PIC(_next) wr->picture->_next
+#			define PIC(_next) wr->frame->_next
 
 			LOG_DEBUG("Worker %u compressing JPEG from buffer %u ...", wr->number, wr->buf_index);
 
@@ -450,7 +450,7 @@ static void *_worker_thread(void *v_worker) {
 				wr->stream->encoder,
 				wr->number,
 				&wr->stream->dev->run->hw_buffers[wr->buf_index],
-				wr->picture
+				wr->frame
 			);
 
 			if (device_release_buffer(wr->stream->dev, wr->buf_index) == 0) {
diff --git a/src/ustreamer/stream.h b/src/ustreamer/stream.h
index 54b47c2..9ec9583 100644
--- a/src/ustreamer/stream.h
+++ b/src/ustreamer/stream.h
@@ -35,7 +35,7 @@
 #include "../common/threading.h"
 #include "../common/logging.h"
 
-#include "picture.h"
+#include "frame.h"
 #include "device.h"
 #include "encoder.h"
 #ifdef WITH_RAWSINK
@@ -52,7 +52,7 @@ struct process_t {
 };
 
 struct video_t {
-	struct picture_t	*picture;
+	struct frame_t		*frame;
 	bool				online;
 	unsigned			captured_fps;
 	atomic_bool			updated;