add conversions to/from GenICam pixel formats
This commit is contained in:
Joshua M. Doe
parent
de488ab3a8
commit
6e507ef15f
240
common/genicampixelformat.h
Normal file
240
common/genicampixelformat.h
Normal file
@ -0,0 +1,240 @@
|
||||
/* GStreamer
|
||||
* Copyright (c) 2018 outside US, 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., 51 Franklin Street, Suite 500,
|
||||
* Boston, MA 02110-1335, USA.
|
||||
*/
|
||||
|
||||
#define GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER8(format) \
|
||||
"video/x-bayer, " \
|
||||
"format = (string) { " format " }, " \
|
||||
"width = " GST_VIDEO_SIZE_RANGE ", " \
|
||||
"height = " GST_VIDEO_SIZE_RANGE ", " \
|
||||
"framerate = " GST_VIDEO_FPS_RANGE
|
||||
|
||||
#define GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16(format,endianness) \
|
||||
"video/x-bayer, " \
|
||||
"format = (string) { " format " }, " \
|
||||
"endianness = (int) { " endianness " }, " \
|
||||
"bpp = (int) {16, 14, 12, 10}, " \
|
||||
"width = " GST_VIDEO_SIZE_RANGE ", " \
|
||||
"height = " GST_VIDEO_SIZE_RANGE ", " \
|
||||
"framerate = " GST_VIDEO_FPS_RANGE
|
||||
|
||||
typedef struct
|
||||
{
|
||||
const char *pixel_format;
|
||||
int endianness;
|
||||
const char *gst_caps_string;
|
||||
int bpp;
|
||||
int depth;
|
||||
int row_multiple;
|
||||
} GstGenicamPixelFormatInfo;
|
||||
|
||||
GstGenicamPixelFormatInfo gst_genicam_pixel_format_infos[] = {
|
||||
{"Mono 8", 0, GST_VIDEO_CAPS_MAKE ("GRAY8"), 8, 8, 4}
|
||||
,
|
||||
{"Mono 10", G_LITTLE_ENDIAN, GST_VIDEO_CAPS_MAKE ("GRAY16_LE"), 10, 16, 4}
|
||||
,
|
||||
{"Mono 10", G_BIG_ENDIAN, GST_VIDEO_CAPS_MAKE ("GRAY16_BE"), 10, 16, 4}
|
||||
,
|
||||
{"Mono 12", G_LITTLE_ENDIAN, GST_VIDEO_CAPS_MAKE ("GRAY16_LE"), 12, 16, 4}
|
||||
,
|
||||
{"Mono 12", G_BIG_ENDIAN, GST_VIDEO_CAPS_MAKE ("GRAY16_BE"), 12, 16, 4}
|
||||
,
|
||||
{"Mono 14", G_LITTLE_ENDIAN, GST_VIDEO_CAPS_MAKE ("GRAY16_LE"), 14, 16, 4}
|
||||
,
|
||||
{"Mono 14", G_BIG_ENDIAN, GST_VIDEO_CAPS_MAKE ("GRAY16_BE"), 14, 16, 4}
|
||||
,
|
||||
{"Mono 16", G_LITTLE_ENDIAN, GST_VIDEO_CAPS_MAKE ("GRAY16_LE"), 16, 16, 4}
|
||||
,
|
||||
{"Mono 16", G_BIG_ENDIAN, GST_VIDEO_CAPS_MAKE ("GRAY16_BE"), 16, 16, 4}
|
||||
,
|
||||
{"BGRA 8 Packed", 0, GST_VIDEO_CAPS_MAKE ("BGRA"), 32, 32, 4}
|
||||
,
|
||||
{"YUV 422 Packed", 0, GST_VIDEO_CAPS_MAKE ("UYVY"), 16, 16, 4}
|
||||
,
|
||||
{"Bayer BG 8", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER8 ("bggr"), 8, 8, 1}
|
||||
,
|
||||
{"Bayer GR 8", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER8 ("grbg"), 8, 8, 1}
|
||||
,
|
||||
{"Bayer RG 8", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER8 ("rggb"), 8, 8, 1}
|
||||
,
|
||||
{"Bayer GB 8", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER8 ("gbrg"), 8, 8, 1}
|
||||
,
|
||||
//TODO: make sure we use standard caps strings for 16-bit Bayer
|
||||
{"Bayer BG 10", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("bggr16", "1234"), 10, 16, 1}
|
||||
,
|
||||
{"Bayer GR 10", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("grbg16", "1234"), 10, 16, 1}
|
||||
,
|
||||
{"Bayer RG 10", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("rggb16", "1234"), 10, 16, 1}
|
||||
,
|
||||
{"Bayer GB 10", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("gbrg16", "1234"), 10, 16, 1}
|
||||
,
|
||||
{"Bayer BG 12", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("bggr16", "1234"), 12, 16, 1}
|
||||
,
|
||||
{"Bayer GR 12", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("grbg16", "1234"), 12, 16, 1}
|
||||
,
|
||||
{"Bayer RG 12", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("rggb16", "1234"), 12, 16, 1}
|
||||
,
|
||||
{"Bayer GB 12", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("gbrg16", "1234"), 12, 16, 1}
|
||||
,
|
||||
{"Bayer BG 14", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("bggr16", "1234"), 14, 16, 1}
|
||||
,
|
||||
{"Bayer GR 14", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("grbg16", "1234"), 14, 16, 1}
|
||||
,
|
||||
{"Bayer RG 14", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("rggb16", "1234"), 14, 16, 1}
|
||||
,
|
||||
{"Bayer GB 14", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("gbrg16", "1234"), 14, 16, 1}
|
||||
,
|
||||
{"Bayer BG 16", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("bggr16", "1234"), 16, 16, 1}
|
||||
,
|
||||
{"Bayer GR 16", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("grbg16", "1234"), 16, 16, 1}
|
||||
,
|
||||
{"Bayer RG 16", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("rggb16", "1234"), 16, 16, 1}
|
||||
,
|
||||
{"Bayer GB 16", 0, GST_GENICAM_PIXEL_FORMAT_MAKE_BAYER16 ("gbrg16", "1234"), 16, 16, 1}
|
||||
,
|
||||
{"JPEG", 0, "image/jpeg", 8, 8, 1}
|
||||
};
|
||||
|
||||
int strcmp_ignore_whitespace (const char *s1, const char *s2)
|
||||
{
|
||||
const char *p1 = s1, *p2 = s2;
|
||||
|
||||
while (TRUE) {
|
||||
/* skip all whitespace characters in both strings */
|
||||
while (g_ascii_isspace(*p1)) ++p1;
|
||||
if (!*p1) break;
|
||||
|
||||
while (g_ascii_isspace(*p2)) ++p2;
|
||||
if (!*p2) return 1;
|
||||
|
||||
if (*p2 > *p1) return -1;
|
||||
if (*p1 > *p2) return 1;
|
||||
|
||||
++p1;
|
||||
++p2;
|
||||
}
|
||||
|
||||
if (*p2) return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static const GstGenicamPixelFormatInfo *
|
||||
gst_genicam_pixel_format_get_info (const char *pixel_format, int endianness)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < G_N_ELEMENTS (gst_genicam_pixel_format_infos); i++) {
|
||||
GstGenicamPixelFormatInfo *info = &gst_genicam_pixel_format_infos[i];
|
||||
if (strcmp_ignore_whitespace (pixel_format, info->pixel_format) == 0 &&
|
||||
(info->endianness == endianness || info->endianness == 0))
|
||||
return info;
|
||||
}
|
||||
|
||||
GST_WARNING ("PixelFormat '%s' is not supported", pixel_format);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static const char *
|
||||
gst_genicam_pixel_format_to_caps_string (const char *pixel_format,
|
||||
int endianness)
|
||||
{
|
||||
const GstGenicamPixelFormatInfo *info =
|
||||
gst_genicam_pixel_format_get_info (pixel_format, endianness);
|
||||
|
||||
if (!info)
|
||||
return NULL;
|
||||
|
||||
return info->gst_caps_string;
|
||||
}
|
||||
|
||||
static const char *
|
||||
gst_genicam_pixel_format_from_caps (const GstCaps * caps, int *endianness)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < G_N_ELEMENTS (gst_genicam_pixel_format_infos); i++) {
|
||||
GstCaps *super_caps;
|
||||
super_caps = gst_caps_from_string (gst_genicam_pixel_format_infos[i].gst_caps_string);
|
||||
if (gst_caps_is_subset (caps, super_caps)) {
|
||||
*endianness = gst_genicam_pixel_format_infos[i].endianness;
|
||||
return gst_genicam_pixel_format_infos[i].pixel_format;
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int
|
||||
gst_genicam_pixel_format_get_depth (const char *pixel_format,
|
||||
int endianness)
|
||||
{
|
||||
const GstGenicamPixelFormatInfo *info =
|
||||
gst_genicam_pixel_format_get_info (pixel_format, endianness);
|
||||
|
||||
if (!info)
|
||||
return 0;
|
||||
|
||||
return info->depth;
|
||||
}
|
||||
|
||||
static int
|
||||
gst_genicam_pixel_format_get_stride (const char *pixel_format,
|
||||
int endianness, int width)
|
||||
{
|
||||
return width * gst_genicam_pixel_format_get_depth (pixel_format,
|
||||
endianness) / 8;
|
||||
}
|
||||
|
||||
static GstCaps *
|
||||
gst_genicam_pixel_format_caps_from_pixel_format (const char *pixel_format,
|
||||
int endianness, int width, int height, int framerate_n, int framerate_d,
|
||||
int par_n, int par_d)
|
||||
{
|
||||
const char *caps_string;
|
||||
GstCaps *caps;
|
||||
GstStructure *structure;
|
||||
|
||||
GST_DEBUG
|
||||
("Trying to create caps from: %s, endianness=%d, %dx%d, fps=%d/%d, par=%d/%d",
|
||||
pixel_format, endianness, width, height, framerate_n, framerate_d, par_n,
|
||||
par_d);
|
||||
|
||||
caps_string =
|
||||
gst_genicam_pixel_format_to_caps_string (pixel_format, endianness);
|
||||
if (caps_string == NULL)
|
||||
return NULL;
|
||||
|
||||
GST_DEBUG ("Got caps string: %s", caps_string);
|
||||
|
||||
structure = gst_structure_from_string (caps_string, NULL);
|
||||
if (structure == NULL)
|
||||
return NULL;
|
||||
|
||||
gst_structure_set (structure,
|
||||
"width", G_TYPE_INT, width,
|
||||
"height", G_TYPE_INT, height,
|
||||
"framerate", GST_TYPE_FRACTION, framerate_n, framerate_d,
|
||||
"pixel-aspect-ratio", GST_TYPE_FRACTION, par_n, par_d, NULL);
|
||||
|
||||
caps = gst_caps_new_empty ();
|
||||
gst_caps_append_structure (caps, structure);
|
||||
|
||||
return caps;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user