yair/gst-plugin-linescan
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

misb: add new plugin with elements to pack/unpack MISB IR over SDI data

Browse Source
This commit is contained in:
Joshua M. Doe 2018-01-10 09:34:47 -05:00
parent e4a308a545
commit e45f85fc95
7 changed files with 980 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
gst/CMakeLists.txt
View File

@ -3,4 +3,5 @@ if (OPENCV_FOUND)
endif (OPENCV_FOUND) endif (OPENCV_FOUND)
add_subdirectory (extractcolor) add_subdirectory (extractcolor)
add_subdirectory (misb)
add_subdirectory (videoadjust) add_subdirectory (videoadjust)

31
gst/misb/CMakeLists.txt Normal file
View File

@ -0,0 +1,31 @@
set (SOURCES
gstmisb.c
gstmisbirpack.c
gstmisbirunpack.c
)
set (HEADERS
gstmisbirpack.h
gstmisbirunpack.h)
include_directories (AFTER
${ORC_INCLUDE_DIR})
set (libname libgstmisb)
add_library (${libname} MODULE
${SOURCES}
${HEADERS})
target_link_libraries (${libname}
${ORC_LIBRARIES}
${GLIB2_LIBRARIES}
${GOBJECT_LIBRARIES}
${GSTREAMER_LIBRARY}
${GSTREAMER_BASE_LIBRARY}
${GSTREAMER_VIDEO_LIBRARY})
set (pdbfile "${CMAKE_CURRENT_BINARY_DIR}/\${CMAKE_INSTALL_CONFIG_NAME}/${libname}.pdb")
install (FILES ${pdbfile} DESTINATION lib/gstreamer-1.0 COMPONENT pdb)
install(TARGETS ${libname}
LIBRARY DESTINATION lib/gstreamer-1.0)

59
gst/misb/gstmisb.c Normal file
View File

@ -0,0 +1,59 @@
/* 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) 2018 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstmisbirpack.h"
#include "gstmisbirunpack.h"
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "misb", 0,
"debug category for misb");
GST_DEBUG ("plugin_init");
GST_CAT_INFO (GST_CAT_DEFAULT, "registering misbirpack element");
if (!gst_element_register (plugin, "misbirpack", GST_RANK_NONE,
GST_TYPE_MISB_IR_PACK)) {
return FALSE;
}
GST_CAT_INFO (GST_CAT_DEFAULT, "registering misbirunpack element");
if (!gst_element_register (plugin, "misbirunpack", GST_RANK_NONE,
GST_TYPE_MISB_IR_UNPACK)) {
return FALSE;
}
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
misb,
"MISB related filters",
plugin_init, GST_PACKAGE_VERSION, GST_PACKAGE_LICENSE, GST_PACKAGE_NAME,
GST_PACKAGE_ORIGIN);

397
gst/misb/gstmisbirpack.c Normal file
View File

@ -0,0 +1,397 @@
/* 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) 2018 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.
*/
/**
* SECTION:element-misbirpack
*
* Pack GRAY16 to MISB IR packed video.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch videotestsrc ! misbirpack ! misbirpack ! ffmpegcolorspace ! autovideosink
* ]|
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstmisbirpack.h"
#include <gst/video/video.h>
//#include "gstextractcolororc-dist.h"
/* GstMisbIrPack signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_OFFSET,
PROP_LAST
};
#define DEFAULT_PROP_OFFSET 64
/* the capabilities of the inputs and outputs */
static GstStaticPadTemplate gst_misb_ir_pack_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("GRAY16_LE"))
);
static GstStaticPadTemplate gst_misb_ir_pack_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("v210"))
);
/* GObject vmethod declarations */
static void gst_misb_ir_pack_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_misb_ir_pack_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_misb_ir_pack_dispose (GObject * object);
/* GstBaseTransform vmethod declarations */
static GstCaps *gst_misb_ir_pack_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps);
/* GstVideoFilter vmethod declarations */
static gboolean gst_misb_ir_pack_set_info (GstVideoFilter * filter,
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
GstVideoInfo * out_info);
static GstFlowReturn gst_misb_ir_pack_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame);
/* GstMisbIrPack method declarations */
static void gst_misb_ir_pack_reset (GstMisbIrPack * filter);
/* setup debug */
GST_DEBUG_CATEGORY_STATIC (misb_ir_pack_debug);
#define GST_CAT_DEFAULT misb_ir_pack_debug
G_DEFINE_TYPE (GstMisbIrPack, gst_misb_ir_pack, GST_TYPE_VIDEO_FILTER);
/************************************************************************/
/* GObject vmethod implementations */
/************************************************************************/
/**
* gst_misb_ir_pack_dispose:
* @object: #GObject.
*
*/
static void
gst_misb_ir_pack_dispose (GObject * object)
{
GstMisbIrPack *misb_ir_pack = GST_MISB_IR_PACK (object);
GST_DEBUG ("dispose");
gst_misb_ir_pack_reset (misb_ir_pack);
/* chain up to the parent class */
G_OBJECT_CLASS (gst_misb_ir_pack_parent_class)->dispose (object);
}
/**
* gst_misb_ir_pack_class_init:
* @object: #GstMisbIrPackClass.
*
*/
static void
gst_misb_ir_pack_class_init (GstMisbIrPackClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
GstBaseTransformClass *gstbasetransform_class =
GST_BASE_TRANSFORM_CLASS (klass);
GstVideoFilterClass *gstvideofilter_class = GST_VIDEO_FILTER_CLASS (klass);
GST_DEBUG ("class init");
/* Register GObject vmethods */
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_misb_ir_pack_dispose);
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_misb_ir_pack_set_property);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_misb_ir_pack_get_property);
/* Install GObject properties */
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_OFFSET, g_param_spec_int ("offset",
"Offset value",
"Offset value to apply during packing", 0, 1023,
DEFAULT_PROP_OFFSET, G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_misb_ir_pack_sink_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_misb_ir_pack_src_template));
gst_element_class_set_static_metadata (gstelement_class,
"Pack to MISB IR video", "Filter/Effect/Video",
"Pack GRAY16 to MISB IR video according to ST 0402.2 Method 2",
"Joshua M. Doe <oss@nvl.army.mil>");
/* Register GstBaseTransform vmethods */
gstbasetransform_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_misb_ir_pack_transform_caps);
gstvideofilter_class->set_info =
GST_DEBUG_FUNCPTR (gst_misb_ir_pack_set_info);
gstvideofilter_class->transform_frame =
GST_DEBUG_FUNCPTR (gst_misb_ir_pack_transform_frame);
}
static void
gst_misb_ir_pack_init (GstMisbIrPack * filt)
{
GST_DEBUG_OBJECT (filt, "init class instance");
filt->offset_value = DEFAULT_PROP_OFFSET;
gst_base_transform_set_in_place (GST_BASE_TRANSFORM (filt), FALSE);
gst_misb_ir_pack_reset (filt);
}
static void
gst_misb_ir_pack_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMisbIrPack *filt = GST_MISB_IR_PACK (object);
GST_DEBUG_OBJECT (filt, "setting property %s", pspec->name);
switch (prop_id) {
case PROP_OFFSET:
filt->offset_value = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_misb_ir_pack_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstMisbIrPack *filt = GST_MISB_IR_PACK (object);
GST_DEBUG_OBJECT (filt, "getting property %s", pspec->name);
switch (prop_id) {
case PROP_OFFSET:
g_value_set_enum (value, filt->offset_value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
GstCaps *
gst_misb_ir_pack_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps)
{
GstMisbIrPack *filt = GST_MISB_IR_PACK (trans);
GstStructure *structure, *newstruct;
GstCaps *newcaps;
guint i, n;
GST_LOG_OBJECT (filt, "transforming caps from %" GST_PTR_FORMAT, caps);
newcaps = gst_caps_new_empty ();
n = gst_caps_get_size (caps);
for (i = 0; i < n; ++i) {
structure = gst_caps_get_structure (caps, i);
if (direction == GST_PAD_SINK) {
newstruct = gst_structure_new_from_string ("video/x-raw,format=v210");
} else {
newstruct =
gst_structure_new_from_string ("video/x-raw,format=GRAY16_LE");
}
gst_structure_set_value (newstruct, "width",
gst_structure_get_value (structure, "width"));
gst_structure_set_value (newstruct, "height",
gst_structure_get_value (structure, "height"));
gst_structure_set_value (newstruct, "framerate",
gst_structure_get_value (structure, "framerate"));
gst_caps_append_structure (newcaps, newstruct);
}
if (!gst_caps_is_empty (newcaps) && filter_caps) {
GstCaps *tmp = gst_caps_intersect_full (filter_caps, newcaps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_replace (&newcaps, tmp);
gst_caps_unref (tmp);
}
GST_LOG_OBJECT (filt, "transformed caps to %" GST_PTR_FORMAT, newcaps);
return newcaps;
}
static gboolean
gst_misb_ir_pack_set_info (GstVideoFilter * filter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
{
GstMisbIrPack *filt = GST_MISB_IR_PACK (filter);
gboolean res = TRUE;
GST_DEBUG_OBJECT (filt,
"set_caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps);
memcpy (&filt->info_in, in_info, sizeof (GstVideoInfo));
memcpy (&filt->info_out, out_info, sizeof (GstVideoInfo));
return res;
}
static GstFlowReturn
gst_misb_ir_pack_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
{
GstMisbIrPack *filt = GST_MISB_IR_PACK (filter);
GTimer *timer = NULL;
guint offset = filt->offset_value;
gint y;
guint16 *src, *src_end;
guint32 *dst;
guint32 word0;
guint32 word1;
guint16 luma0, chroma0, luma1, chroma1, luma2, chroma2;
GST_LOG_OBJECT (filt, "Performing non-inplace transform");
#if 0
timer = g_timer_new ();
#endif
for (y = 0; y < GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 0); y++) {
src = (guint16 *) (GST_VIDEO_FRAME_COMP_DATA (in_frame, 0) +
y * GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 0));
src_end = src + GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 0);
dst = (guint32 *) (GST_VIDEO_FRAME_COMP_DATA (out_frame, 0) +
y * GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 0));
while (src + 2 < src_end) {
chroma0 = (*src & 0xff) + offset;
luma0 = ((*src & 0xff00) >> 8) + offset;
src++;
chroma1 = (*src & 0xff) + offset;
luma1 = ((*src & 0xff00) >> 8) + offset;
src++;
chroma2 = (*src & 0xff) + offset;
luma2 = ((*src & 0xff00) >> 8) + offset;
src++;
word0 = chroma0 | luma0 << 10 | chroma1 << 20;
word1 = luma1 | chroma2 << 10 | luma2 << 20;
*dst++ = word0;
*dst++ = word1;
}
/* handle the last one or two pixels if they exist */
if (src_end - src) {
chroma0 = (*src & 0xff) + offset;
luma0 = ((*src & 0xff00) >> 8) + offset;
src++;
if (src_end - src) {
chroma1 = (*src & 0xff) + offset;
luma1 = ((*src & 0xff00) >> 8) + offset;
} else {
chroma1 = luma1 = 0;
}
chroma2 = luma2 = 0;
word0 = chroma0 | luma0 << 10 | chroma1 << 20;
word1 = luma1 | chroma2 << 10 | luma2 << 20;
*dst++ = word0;
*dst++ = word1;
}
}
//for (y = 0; y < GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 0); y++) {
// src = (guint16 *) (GST_VIDEO_FRAME_COMP_DATA (in_frame, 0) +
// y * GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 0));
// dst = (guint32 *) (GST_VIDEO_FRAME_COMP_DATA (out_frame, 0) +
// y * GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 0));
// for (x = 0; x < GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 0); ) {
// guint32 word0;
// guint32 word1;
// guint16 luma0, chroma0, luma1, chroma1, luma2, chroma2;
// chroma0 = *src & 0xff + offset;
// luma0 = (*src & 0xff00) >> 8 + offset;
// src++;
// chroma1 = *src & 0xff + offset;
// luma1 = (*src & 0xff00) >> 8 + offset;
// src++;
// chroma2 = *src & 0xff + offset;
// luma2 = (*src & 0xff00) >> 8 + offset;
// src++;
// word0 = 0;
// word0 = chroma0 | luma0 << 10 | chroma1 << 20;
// word1 = 0;
// word1 = luma1 | chroma2 << 10 | luma2 << 20;
// dst[x++] = word0;
// dst[x++] = word1;
// }
//}
#if 0
GST_LOG_OBJECT (filt, "Processing took %.3f ms", g_timer_elapsed (timer,
NULL) * 1000);
g_timer_destroy (timer);
#endif
return GST_FLOW_OK;
}
static void
gst_misb_ir_pack_reset (GstMisbIrPack * misb_ir_pack)
{
gst_video_info_init (&misb_ir_pack->info_in);
gst_video_info_init (&misb_ir_pack->info_out);
}

75
gst/misb/gstmisbirpack.h Normal file
View File

@ -0,0 +1,75 @@
/* 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) 2018 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_MISB_IR_PACK_H__
#define __GST_MISB_IR_PACK_H__
#include <gst/video/gstvideofilter.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_MISB_IR_PACK \
(gst_misb_ir_pack_get_type())
#define GST_MISB_IR_PACK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MISB_IR_PACK,GstMisbIrPack))
#define GST_MISB_IR_PACK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MISB_IR_PACK,GstMisbIrPackClass))
#define GST_IS_MISB_IR_PACK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MISB_IR_PACK))
#define GST_IS_MISB_IR_PACK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MISB_IR_PACK))
typedef struct _GstMisbIrPack GstMisbIrPack;
typedef struct _GstMisbIrPackClass GstMisbIrPackClass;
/**
* GstMisbIrPack:
* @element: the parent element.
*
*
* The opaque GstMisbIrPack data structure.
*/
struct _GstMisbIrPack
{
GstVideoFilter element;
/* format */
GstVideoInfo info_in;
GstVideoInfo info_out;
/* properties */
guint offset_value;
};
struct _GstMisbIrPackClass
{
GstVideoFilterClass parent_class;
};
GType gst_misb_ir_pack_get_type(void);
G_END_DECLS
#endif /* __GST_MISB_IR_PACK_H__ */

342
gst/misb/gstmisbirunpack.c Normal file
View File

@ -0,0 +1,342 @@
/* 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) 2018 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.
*/
/**
* SECTION:element-misbirunpack
*
* Unpack MISB IR packed video to GRAY16.
*
* <refsect2>
* <title>Example launch line</title>
* |[
* gst-launch videotestsrc ! misbirpack ! misbirunpack ! ffmpegcolorspace ! autovideosink
* ]|
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstmisbirunpack.h"
#include <gst/video/video.h>
//#include "gstextractcolororc-dist.h"
/* GstMisbIrUnpack signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_OFFSET,
PROP_LAST
};
#define DEFAULT_PROP_OFFSET 64
/* the capabilities of the inputs and outputs */
static GstStaticPadTemplate gst_misb_ir_unpack_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("v210"))
);
static GstStaticPadTemplate gst_misb_ir_unpack_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("GRAY16_LE"))
);
/* GObject vmethod declarations */
static void gst_misb_ir_unpack_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_misb_ir_unpack_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static void gst_misb_ir_unpack_dispose (GObject * object);
/* GstBaseTransform vmethod declarations */
static GstCaps *gst_misb_ir_unpack_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps);
/* GstVideoFilter vmethod declarations */
static gboolean gst_misb_ir_unpack_set_info (GstVideoFilter * filter,
GstCaps * incaps, GstVideoInfo * in_info, GstCaps * outcaps,
GstVideoInfo * out_info);
static GstFlowReturn gst_misb_ir_unpack_transform_frame (GstVideoFilter *
filter, GstVideoFrame * in_frame, GstVideoFrame * out_frame);
/* GstMisbIrUnpack method declarations */
static void gst_misb_ir_unpack_reset (GstMisbIrUnpack * filter);
/* setup debug */
GST_DEBUG_CATEGORY_STATIC (misb_ir_unpack_debug);
#define GST_CAT_DEFAULT misb_ir_unpack_debug
G_DEFINE_TYPE (GstMisbIrUnpack, gst_misb_ir_unpack, GST_TYPE_VIDEO_FILTER);
/************************************************************************/
/* GObject vmethod implementations */
/************************************************************************/
/**
* gst_misb_ir_unpack_dispose:
* @object: #GObject.
*
*/
static void
gst_misb_ir_unpack_dispose (GObject * object)
{
GstMisbIrUnpack *misb_ir_unpack = GST_MISB_IR_UNPACK (object);
GST_DEBUG ("dispose");
gst_misb_ir_unpack_reset (misb_ir_unpack);
/* chain up to the parent class */
G_OBJECT_CLASS (gst_misb_ir_unpack_parent_class)->dispose (object);
}
/**
* gst_misb_ir_unpack_class_init:
* @object: #GstMisbIrUnpackClass.
*
*/
static void
gst_misb_ir_unpack_class_init (GstMisbIrUnpackClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
GstBaseTransformClass *gstbasetransform_class =
GST_BASE_TRANSFORM_CLASS (klass);
GstVideoFilterClass *gstvideofilter_class = GST_VIDEO_FILTER_CLASS (klass);
GST_DEBUG ("class init");
/* Register GObject vmethods */
gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_misb_ir_unpack_dispose);
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_misb_ir_unpack_set_property);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_misb_ir_unpack_get_property);
/* Install GObject properties */
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_OFFSET, g_param_spec_int ("offset",
"Offset value",
"Offset value to apply during unpacking", 0, 1023,
DEFAULT_PROP_OFFSET, G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_misb_ir_unpack_sink_template));
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_misb_ir_unpack_src_template));
gst_element_class_set_static_metadata (gstelement_class,
"Unpack MISB IR video", "Filter/Effect/Video",
"Unpack MISB IR video according to ST 0402.2 Method 2",
"Joshua M. Doe <oss@nvl.army.mil>");
/* Register GstBaseTransform vmethods */
gstbasetransform_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_misb_ir_unpack_transform_caps);
gstvideofilter_class->set_info =
GST_DEBUG_FUNCPTR (gst_misb_ir_unpack_set_info);
gstvideofilter_class->transform_frame =
GST_DEBUG_FUNCPTR (gst_misb_ir_unpack_transform_frame);
}
static void
gst_misb_ir_unpack_init (GstMisbIrUnpack * filt)
{
GST_DEBUG_OBJECT (filt, "init class instance");
filt->offset_value = DEFAULT_PROP_OFFSET;
gst_base_transform_set_in_place (GST_BASE_TRANSFORM (filt), FALSE);
gst_misb_ir_unpack_reset (filt);
}
static void
gst_misb_ir_unpack_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMisbIrUnpack *filt = GST_MISB_IR_UNPACK (object);
GST_DEBUG_OBJECT (filt, "setting property %s", pspec->name);
switch (prop_id) {
case PROP_OFFSET:
filt->offset_value = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_misb_ir_unpack_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstMisbIrUnpack *filt = GST_MISB_IR_UNPACK (object);
GST_DEBUG_OBJECT (filt, "getting property %s", pspec->name);
switch (prop_id) {
case PROP_OFFSET:
g_value_set_enum (value, filt->offset_value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
GstCaps *
gst_misb_ir_unpack_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * filter_caps)
{
GstMisbIrUnpack *filt = GST_MISB_IR_UNPACK (trans);
GstStructure *structure, *newstruct;
GstCaps *newcaps;
guint i, n;
GST_LOG_OBJECT (filt, "transforming caps from %" GST_PTR_FORMAT, caps);
newcaps = gst_caps_new_empty ();
n = gst_caps_get_size (caps);
for (i = 0; i < n; ++i) {
structure = gst_caps_get_structure (caps, i);
if (direction == GST_PAD_SINK) {
newstruct =
gst_structure_new_from_string ("video/x-raw,format=GRAY16_LE");
} else {
newstruct = gst_structure_new_from_string ("video/x-raw,format=v210");
}
gst_structure_set_value (newstruct, "width",
gst_structure_get_value (structure, "width"));
gst_structure_set_value (newstruct, "height",
gst_structure_get_value (structure, "height"));
gst_structure_set_value (newstruct, "framerate",
gst_structure_get_value (structure, "framerate"));
gst_caps_append_structure (newcaps, newstruct);
}
if (!gst_caps_is_empty (newcaps) && filter_caps) {
GstCaps *tmp = gst_caps_intersect_full (filter_caps, newcaps,
GST_CAPS_INTERSECT_FIRST);
gst_caps_replace (&newcaps, tmp);
gst_caps_unref (tmp);
}
GST_LOG_OBJECT (filt, "transformed caps to %" GST_PTR_FORMAT, newcaps);
return newcaps;
}
static gboolean
gst_misb_ir_unpack_set_info (GstVideoFilter * filter, GstCaps * incaps,
GstVideoInfo * in_info, GstCaps * outcaps, GstVideoInfo * out_info)
{
GstMisbIrUnpack *filt = GST_MISB_IR_UNPACK (filter);
gboolean res = TRUE;
GST_DEBUG_OBJECT (filt,
"set_caps: in %" GST_PTR_FORMAT " out %" GST_PTR_FORMAT, incaps, outcaps);
memcpy (&filt->info_in, in_info, sizeof (GstVideoInfo));
memcpy (&filt->info_out, out_info, sizeof (GstVideoInfo));
return res;
}
static GstFlowReturn
gst_misb_ir_unpack_transform_frame (GstVideoFilter * filter,
GstVideoFrame * in_frame, GstVideoFrame * out_frame)
{
GstMisbIrUnpack *filt = GST_MISB_IR_UNPACK (filter);
GTimer *timer = NULL;
guint offset = filt->offset_value;
gint x, y;
guint32 *src;
guint16 *dst;
GST_LOG_OBJECT (filt, "Performing non-inplace transform");
#if 0
timer = g_timer_new ();
#endif
for (y = 0; y < GST_VIDEO_FRAME_COMP_HEIGHT (in_frame, 0); y++) {
src = (guint32 *) (GST_VIDEO_FRAME_COMP_DATA (in_frame, 0) +
y * GST_VIDEO_FRAME_COMP_STRIDE (in_frame, 0));
dst = (guint16 *) (GST_VIDEO_FRAME_COMP_DATA (out_frame, 0) +
y * GST_VIDEO_FRAME_COMP_STRIDE (out_frame, 0));
for (x = 0; x < GST_VIDEO_FRAME_COMP_WIDTH (in_frame, 0);) {
guint32 word0 = *src++;
guint32 word1 = *src++;
guint16 luma, chroma;
chroma = word0 & 0x3ff;
luma = (word0 & 0xffc00) >> 10;
dst[x++] = ((chroma - offset) & 0xff) | (((luma - offset) & 0xff) << 8);
chroma = (word0 & 0x3ff00000) >> 20;
luma = word1 & 0x3ff;
dst[x++] = (chroma - offset) & 0xff | ((luma - offset) & 0xff) << 8;
chroma = (word1 & 0xffc00) >> 10;
luma = (word1 & 0x3ff00000) >> 20;
dst[x++] = (chroma - offset) & 0xff | ((luma - offset) & 0xff) << 8;
}
}
#if 0
GST_LOG_OBJECT (filt, "Processing took %.3f ms", g_timer_elapsed (timer,
NULL) * 1000);
g_timer_destroy (timer);
#endif
return GST_FLOW_OK;
}
static void
gst_misb_ir_unpack_reset (GstMisbIrUnpack * misb_ir_unpack)
{
gst_video_info_init (&misb_ir_unpack->info_in);
gst_video_info_init (&misb_ir_unpack->info_out);
}

75
gst/misb/gstmisbirunpack.h Normal file
View File

@ -0,0 +1,75 @@
/* 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) 2018 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_MISB_IR_UNPACK_H__
#define __GST_MISB_IR_UNPACK_H__
#include <gst/video/gstvideofilter.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
#define GST_TYPE_MISB_IR_UNPACK \
(gst_misb_ir_unpack_get_type())
#define GST_MISB_IR_UNPACK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MISB_IR_UNPACK,GstMisbIrUnpack))
#define GST_MISB_IR_UNPACK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MISB_IR_UNPACK,GstMisbIrUnpackClass))
#define GST_IS_MISB_IR_UNPACK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MISB_IR_UNPACK))
#define GST_IS_MISB_IR_UNPACK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MISB_IR_UNPACK))
typedef struct _GstMisbIrUnpack GstMisbIrUnpack;
typedef struct _GstMisbIrUnpackClass GstMisbIrUnpackClass;
/**
* GstMisbIrUnpack:
* @element: the parent element.
*
*
* The opaque GstMisbIrUnpack data structure.
*/
struct _GstMisbIrUnpack
{
GstVideoFilter element;
/* format */
GstVideoInfo info_in;
GstVideoInfo info_out;
/* properties */
guint offset_value;
};
struct _GstMisbIrUnpackClass
{
GstVideoFilterClass parent_class;
};
GType gst_misb_ir_unpack_get_type(void);
G_END_DECLS
#endif /* __GST_MISB_IR_UNPACK_H__ */