bayerutils: add new plugin with bayer2gray, to do caps conversion
This is a convenience function to avoid using a capssetter when we want to treat Bayer as gray. In the future we can add properties to balance each element of the CFA. Note there's a bug with the in-place transform, so currently a memcpy is being used.
This commit is contained in:
Joshua M. Doe
parent
37aaea1022
commit
8ff872e634
@ -2,6 +2,7 @@ if (OPENCV_FOUND)
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add_subdirectory (sensorfx)
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add_subdirectory (sensorfx)
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endif (OPENCV_FOUND)
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endif (OPENCV_FOUND)
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add_subdirectory (bayerutils)
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add_subdirectory (extractcolor)
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add_subdirectory (extractcolor)
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add_subdirectory (klv)
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add_subdirectory (klv)
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add_subdirectory (misb)
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add_subdirectory (misb)
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27
gst/bayerutils/CMakeLists.txt
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27
gst/bayerutils/CMakeLists.txt
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@ -0,0 +1,27 @@
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set (SOURCES
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gstbayer2gray.c
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)
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set (HEADERS
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gstbayer2gray.h)
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include_directories (AFTER
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)
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set (libname libgstbayerutils)
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add_library (${libname} MODULE
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${SOURCES}
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${HEADERS})
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target_link_libraries (${libname}
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${GLIB2_LIBRARIES}
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${GOBJECT_LIBRARIES}
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${GSTREAMER_LIBRARY}
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${GSTREAMER_BASE_LIBRARY}
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${GSTREAMER_VIDEO_LIBRARY})
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set (pdbfile "${CMAKE_CURRENT_BINARY_DIR}/\${CMAKE_INSTALL_CONFIG_NAME}/${libname}.pdb")
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install (FILES ${pdbfile} DESTINATION lib/gstreamer-1.0 COMPONENT pdb)
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install(TARGETS ${libname}
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LIBRARY DESTINATION lib/gstreamer-1.0)
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374
gst/bayerutils/gstbayer2gray.c
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374
gst/bayerutils/gstbayer2gray.c
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@ -0,0 +1,374 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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* Copyright (C) <2003> David Schleef <ds@schleef.org>
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* Copyright (C) 2003 Arwed v. Merkatz <v.merkatz@gmx.net>
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* Copyright (C) 2006 Mark Nauwelaerts <manauw@skynet.be>
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* Copyright (C) 2020 United States Government, Joshua M. Doe <oss@nvl.army.mil>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:element-bayer2gray
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*
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* Convert grayscale video from one bpp/depth combination to another.
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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* gst-launch videotestsrc ! bayer2gray ! ffmpegcolorspace ! autovideosink
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* ]|
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* </refsect2>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstbayer2gray.h"
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#include <gst/video/video.h>
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/* GstBayer2Gray signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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enum
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{
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PROP_0,
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PROP_LAST
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};
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#define VIDEO_CAPS_MAKE_BAYER8(format) \
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"video/x-bayer, " \
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"format = (string) " format ", " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define VIDEO_CAPS_MAKE_BAYER16(format) \
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"video/x-bayer, " \
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"format = (string) " format ", " \
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"endianness = (int) {1234, 4321}, " \
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"bpp = (int) {16, 14, 12, 10}, " \
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"width = " GST_VIDEO_SIZE_RANGE ", " \
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"height = " GST_VIDEO_SIZE_RANGE ", " \
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"framerate = " GST_VIDEO_FPS_RANGE
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#define VIDEO_CAPS_BAYER8 VIDEO_CAPS_MAKE_BAYER8("{bggr,grbg,gbrg,rggb}")
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#define VIDEO_CAPS_BAYER16 VIDEO_CAPS_MAKE_BAYER16("{bggr16,grbg16,gbrg16,rggb16}")
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/* the capabilities of the inputs and outputs */
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static GstStaticPadTemplate gst_bayer2gray_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (VIDEO_CAPS_BAYER8 ";" VIDEO_CAPS_BAYER16)
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);
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static GstStaticPadTemplate gst_bayer2gray_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{GRAY16_LE, GRAY16_BE, GRAY8 }"))
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);
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/* GObject vmethod declarations */
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static void gst_bayer2gray_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_bayer2gray_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static void gst_bayer2gray_dispose (GObject * object);
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/* GstBaseTransform vmethod declarations */
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static GstCaps *gst_bayer2gray_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps);
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static gboolean gst_bayer2gray_set_caps (GstBaseTransform * btrans,
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GstCaps * incaps, GstCaps * outcaps);
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static GstFlowReturn gst_bayer2gray_transform (GstBaseTransform * btrans,
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GstBuffer * inbuf, GstBuffer * outbuf);
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static GstFlowReturn gst_bayer2gray_transform_ip (GstBaseTransform * btrans,
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GstBuffer * buf);
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/* GstBayer2Gray method declarations */
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static void gst_bayer2gray_reset (GstBayer2Gray * filter);
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/* setup debug */
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GST_DEBUG_CATEGORY_STATIC (bayer2gray_debug);
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#define GST_CAT_DEFAULT bayer2gray_debug
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G_DEFINE_TYPE (GstBayer2Gray, gst_bayer2gray, GST_TYPE_BASE_TRANSFORM);
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/************************************************************************/
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/* GObject vmethod implementations */
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/************************************************************************/
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/**
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* gst_bayer2gray_dispose:
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* @object: #GObject.
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*
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*/
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static void
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gst_bayer2gray_dispose (GObject * object)
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{
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GstBayer2Gray *bayer2gray = GST_BAYER2GRAY (object);
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GST_DEBUG ("dispose");
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gst_bayer2gray_reset (bayer2gray);
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/* chain up to the parent class */
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G_OBJECT_CLASS (gst_bayer2gray_parent_class)->dispose (object);
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}
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/**
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* gst_bayer2gray_class_init:
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* @object: #GstBayer2GrayClass.
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*
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*/
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static void
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gst_bayer2gray_class_init (GstBayer2GrayClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
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GstBaseTransformClass *gstbasetransform_class =
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GST_BASE_TRANSFORM_CLASS (klass);
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GST_DEBUG_CATEGORY_INIT (bayer2gray_debug, "bayer2gray", 0,
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"Bayer to Gray Filter");
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GST_DEBUG ("class init");
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/* Register GObject vmethods */
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gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_bayer2gray_dispose);
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gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_bayer2gray_set_property);
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gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_bayer2gray_get_property);
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_bayer2gray_sink_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_bayer2gray_src_template));
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gst_element_class_set_static_metadata (gstelement_class,
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"Bayer as gray", "Filter/Effect/Video",
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"Converts Bayer caps to gray caps", "Joshua M. Doe <oss@nvl.army.mil>");
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/* Register GstBaseTransform vmethods */
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gstbasetransform_class->transform_caps =
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GST_DEBUG_FUNCPTR (gst_bayer2gray_transform_caps);
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gstbasetransform_class->set_caps =
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GST_DEBUG_FUNCPTR (gst_bayer2gray_set_caps);
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gstbasetransform_class->transform =
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GST_DEBUG_FUNCPTR (gst_bayer2gray_transform);
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gstbasetransform_class->transform_ip =
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GST_DEBUG_FUNCPTR (gst_bayer2gray_transform_ip);
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}
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static void
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gst_bayer2gray_init (GstBayer2Gray * filt)
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{
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GST_DEBUG_OBJECT (filt, "init class instance");
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/* FIXME: fix in-place transform */
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gst_base_transform_set_in_place (GST_BASE_TRANSFORM (filt), FALSE);
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gst_bayer2gray_reset (filt);
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}
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static void
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gst_bayer2gray_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstBayer2Gray *filt = GST_BAYER2GRAY (object);
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GST_DEBUG_OBJECT (filt, "setting property %s", pspec->name);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_bayer2gray_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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{
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GstBayer2Gray *filt = GST_BAYER2GRAY (object);
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GST_DEBUG_OBJECT (filt, "getting property %s", pspec->name);
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switch (prop_id) {
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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GstCaps *
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gst_bayer2gray_transform_caps (GstBaseTransform * trans,
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GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps)
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{
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GstBayer2Gray *filt = GST_BAYER2GRAY (trans);
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GstCaps *normalized_caps, *other_caps;
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GstCaps *bayer8_caps, *bayer16_caps, *gray8_caps, *gray16_caps;
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guint i, n;
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GST_LOG_OBJECT (filt, "transforming caps from %" GST_PTR_FORMAT, caps);
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other_caps = gst_caps_new_empty ();
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normalized_caps = gst_caps_normalize (gst_caps_ref (caps));
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gray8_caps = gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("GRAY8"));
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gray16_caps =
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gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("{ GRAY16_LE, GRAY16_BE }"));
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bayer8_caps = gst_caps_from_string (VIDEO_CAPS_BAYER8);
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bayer16_caps = gst_caps_from_string (VIDEO_CAPS_BAYER16);
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n = gst_caps_get_size (normalized_caps);
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for (i = 0; i < n; ++i) {
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GstCaps *c = gst_caps_copy_nth (normalized_caps, i);
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GstStructure *s, *s_other;
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const GstCaps *tgt_caps = NULL;
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if (i > 0 && gst_caps_is_subset (other_caps, c))
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continue;
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if (direction == GST_PAD_SRC) {
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/* we're on gray side, return bayer caps */
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if (gst_caps_is_subset (c, gray8_caps)) {
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tgt_caps = bayer8_caps;
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} else {
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tgt_caps = bayer16_caps;
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}
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} else {
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/* we're on bayer side, return gray caps */
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if (gst_caps_is_subset (c, bayer8_caps)) {
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tgt_caps = gray8_caps;
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} else {
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tgt_caps = gray16_caps;
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}
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}
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s = gst_caps_get_structure (c, 0);
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s_other = gst_caps_get_structure (tgt_caps, 0);
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gst_structure_set_name (s, gst_structure_get_name (s_other));
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gst_structure_set_value (s, "format", gst_structure_get_value (s_other,
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"format"));
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gst_caps_merge (other_caps, c);
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}
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gst_caps_unref (gray8_caps);
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gst_caps_unref (gray16_caps);
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gst_caps_unref (bayer8_caps);
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gst_caps_unref (bayer16_caps);
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gst_caps_unref (normalized_caps);
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if (!gst_caps_is_empty (other_caps) && filter_caps) {
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GstCaps *tmp = gst_caps_intersect_full (filter_caps, other_caps,
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GST_CAPS_INTERSECT_FIRST);
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gst_caps_replace (&other_caps, tmp);
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gst_caps_unref (tmp);
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}
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GST_LOG_OBJECT (filt, "transformed caps to %" GST_PTR_FORMAT, other_caps);
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return other_caps;
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}
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static gboolean
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gst_bayer2gray_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
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GstCaps * outcaps)
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{
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GstBayer2Gray *filt = GST_BAYER2GRAY (btrans);
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gboolean res = TRUE;
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GstVideoInfo vinfo;
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GST_DEBUG_OBJECT (filt,
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"set_caps: in '%" GST_PTR_FORMAT "' out '%" GST_PTR_FORMAT "'", incaps,
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outcaps);
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gst_video_info_from_caps (&filt->vinfo, outcaps);
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return res;
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}
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static GstFlowReturn
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||||||
|
gst_bayer2gray_transform (GstBaseTransform * btrans,
|
||||||
|
GstBuffer * inbuf, GstBuffer * outbuf)
|
||||||
|
{
|
||||||
|
GstBayer2Gray *filt = GST_BAYER2GRAY (btrans);
|
||||||
|
GstMapInfo minfo_in, minfo_out;
|
||||||
|
|
||||||
|
GST_LOG_OBJECT (filt, "Doing non-inplace transform, copying data (FIX THIS)");
|
||||||
|
|
||||||
|
gst_buffer_map (inbuf, &minfo_in, GST_MAP_READ);
|
||||||
|
gst_buffer_map (outbuf, &minfo_out, GST_MAP_WRITE);
|
||||||
|
memcpy (minfo_out.data, minfo_in.data, minfo_in.size);
|
||||||
|
gst_buffer_unmap (inbuf, &minfo_in);
|
||||||
|
gst_buffer_unmap (outbuf, &minfo_out);
|
||||||
|
|
||||||
|
return GST_FLOW_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* FIXME: inplace transform doesn't work now due to buffer meta issue with
|
||||||
|
videoconvert, or really at least all elements using videofilter base
|
||||||
|
class */
|
||||||
|
static GstFlowReturn
|
||||||
|
gst_bayer2gray_transform_ip (GstBaseTransform * btrans, GstBuffer * buf)
|
||||||
|
{
|
||||||
|
GstBayer2Gray *filt = GST_BAYER2GRAY (btrans);
|
||||||
|
|
||||||
|
GST_LOG_OBJECT (filt, "in-place transform, doing nothing");
|
||||||
|
|
||||||
|
gst_buffer_add_video_meta (buf, GST_VIDEO_FRAME_FLAG_NONE,
|
||||||
|
filt->vinfo.finfo->format, filt->vinfo.width, filt->vinfo.height);
|
||||||
|
GST_ERROR ("%d,%d,%d", filt->vinfo.finfo->format, filt->vinfo.width,
|
||||||
|
filt->vinfo.height);
|
||||||
|
return GST_FLOW_OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_bayer2gray_reset (GstBayer2Gray * bayer2gray)
|
||||||
|
{
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Register filters that make up the gstgl plugin */
|
||||||
|
static gboolean
|
||||||
|
plugin_init (GstPlugin * plugin)
|
||||||
|
{
|
||||||
|
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "bayer2gray", 0, "bayer2gray");
|
||||||
|
|
||||||
|
GST_DEBUG ("plugin_init");
|
||||||
|
|
||||||
|
GST_CAT_INFO (GST_CAT_DEFAULT, "registering bayer2gray element");
|
||||||
|
|
||||||
|
if (!gst_element_register (plugin, "bayer2gray", GST_RANK_NONE,
|
||||||
|
GST_TYPE_BAYER2GRAY)) {
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
|
||||||
|
GST_VERSION_MINOR,
|
||||||
|
bayerutils,
|
||||||
|
"Plugins for working with Bayer video",
|
||||||
|
plugin_init, GST_PACKAGE_VERSION, GST_PACKAGE_LICENSE, GST_PACKAGE_NAME,
|
||||||
|
GST_PACKAGE_ORIGIN);
|
||||||
78
gst/bayerutils/gstbayer2gray.h
Normal file
78
gst/bayerutils/gstbayer2gray.h
Normal file
@ -0,0 +1,78 @@
|
|||||||
|
/* GStreamer
|
||||||
|
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
|
||||||
|
* Copyright (C) <2003> David Schleef <ds@schleef.org>
|
||||||
|
* Copyright (C) 2003 Arwed v. Merkatz <v.merkatz@gmx.net>
|
||||||
|
* Copyright (C) 2006 Mark Nauwelaerts <manauw@skynet.be>
|
||||||
|
* Copyright (C) 2020 United States Government, Joshua M. Doe <oss@nvl.army.mil>
|
||||||
|
*
|
||||||
|
* This library is free software; you can redistribute it and/or
|
||||||
|
* modify it under the terms of the GNU Library General Public
|
||||||
|
* License as published by the Free Software Foundation; either
|
||||||
|
* version 2 of the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* This library is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
* Library General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU Library General Public
|
||||||
|
* License along with this library; if not, write to the
|
||||||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||||
|
* Boston, MA 02111-1307, USA.
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#ifndef __GST_BAYER2GRAY_H__
|
||||||
|
#define __GST_BAYER2GRAY_H__
|
||||||
|
|
||||||
|
#include <gst/video/gstvideofilter.h>
|
||||||
|
#include <gst/video/video.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_TYPE_BAYER2GRAY \
|
||||||
|
(gst_bayer2gray_get_type())
|
||||||
|
#define GST_BAYER2GRAY(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BAYER2GRAY,GstBayer2Gray))
|
||||||
|
#define GST_BAYER2GRAY_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BAYER2GRAY,GstBayer2GrayClass))
|
||||||
|
#define GST_IS_BAYER2GRAY(obj) \
|
||||||
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BAYER2GRAY))
|
||||||
|
#define GST_IS_BAYER2GRAY_CLASS(klass) \
|
||||||
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BAYER2GRAY))
|
||||||
|
|
||||||
|
typedef struct _GstBayer2Gray GstBayer2Gray;
|
||||||
|
typedef struct _GstBayer2GrayClass GstBayer2GrayClass;
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* GstBayer2Gray:
|
||||||
|
* @element: the parent element.
|
||||||
|
*
|
||||||
|
*
|
||||||
|
* The opaque GstBayer2Gray data structure.
|
||||||
|
*/
|
||||||
|
struct _GstBayer2Gray
|
||||||
|
{
|
||||||
|
GstBaseTransform element;
|
||||||
|
|
||||||
|
/* format */
|
||||||
|
GstVideoInfo vinfo;
|
||||||
|
gint width;
|
||||||
|
gint height;
|
||||||
|
gint depth;
|
||||||
|
gint bpp;
|
||||||
|
gint fps_n;
|
||||||
|
gint fps_d;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstBayer2GrayClass
|
||||||
|
{
|
||||||
|
GstBaseTransformClass parent_class;
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_bayer2gray_get_type(void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_BAYER2GRAY_H__ */
|
||||||
Loading…
x
Reference in New Issue
Block a user