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