267 lines
8.5 KiB
C
267 lines
8.5 KiB
C
#include "camera_config.h"
|
|
|
|
#include "ini.h"
|
|
#include "config.h"
|
|
#include <wordexp.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <glib.h>
|
|
#include <assert.h>
|
|
|
|
static struct mp_camera_config cameras[MP_MAX_CAMERAS];
|
|
static size_t num_cameras = 0;
|
|
|
|
static char *exif_make;
|
|
static char *exif_model;
|
|
|
|
static bool
|
|
find_config(char *conffile)
|
|
{
|
|
char buf[512];
|
|
char *xdg_config_home;
|
|
wordexp_t exp_result;
|
|
FILE *fp;
|
|
|
|
// Resolve XDG stuff
|
|
if ((xdg_config_home = getenv("XDG_CONFIG_HOME")) == NULL) {
|
|
xdg_config_home = "~/.config";
|
|
}
|
|
wordexp(xdg_config_home, &exp_result, 0);
|
|
xdg_config_home = strdup(exp_result.we_wordv[0]);
|
|
wordfree(&exp_result);
|
|
|
|
if (access("/proc/device-tree/compatible", F_OK) != -1) {
|
|
// Reads to compatible string of the current device tree, looks like:
|
|
// pine64,pinephone-1.2\0allwinner,sun50i-a64\0
|
|
fp = fopen("/proc/device-tree/compatible", "r");
|
|
fgets(buf, 512, fp);
|
|
fclose(fp);
|
|
|
|
// Check config/%dt.ini in the current working directory
|
|
sprintf(conffile, "config/%s.ini", buf);
|
|
if(access(conffile, F_OK) != -1) {
|
|
printf("Found config file at %s\n", conffile);
|
|
return true;
|
|
}
|
|
|
|
// Check for a config file in XDG_CONFIG_HOME
|
|
sprintf(conffile, "%s/megapixels/config/%s.ini", xdg_config_home, buf);
|
|
if(access(conffile, F_OK) != -1) {
|
|
printf("Found config file at %s\n", conffile);
|
|
return true;
|
|
}
|
|
|
|
// Check user overridden /etc/megapixels/config/$dt.ini
|
|
sprintf(conffile, "%s/megapixels/config/%s.ini", SYSCONFDIR, buf);
|
|
if(access(conffile, F_OK) != -1) {
|
|
printf("Found config file at %s\n", conffile);
|
|
return true;
|
|
}
|
|
// Check packaged /usr/share/megapixels/config/$dt.ini
|
|
sprintf(conffile, "%s/megapixels/config/%s.ini", DATADIR, buf);
|
|
if(access(conffile, F_OK) != -1) {
|
|
printf("Found config file at %s\n", conffile);
|
|
return true;
|
|
}
|
|
printf("%s not found\n", conffile);
|
|
} else {
|
|
printf("Could not read device name from device tree\n");
|
|
}
|
|
|
|
// If all else fails, fall back to /etc/megapixels.ini
|
|
sprintf(conffile, "/etc/megapixels.ini");
|
|
if (access(conffile, F_OK) != -1) {
|
|
printf("Found config file at %s\n", conffile);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int
|
|
strtoint(const char *nptr, char **endptr, int base)
|
|
{
|
|
long x = strtol(nptr, endptr, base);
|
|
assert(x <= INT_MAX);
|
|
return (int) x;
|
|
}
|
|
|
|
static bool
|
|
config_handle_camera_mode(const char *prefix, MPCameraMode * mode, const char *name, const char *value)
|
|
{
|
|
int prefix_length = strlen(prefix);
|
|
if (strncmp(prefix, name, prefix_length) != 0)
|
|
return false;
|
|
|
|
name += prefix_length;
|
|
|
|
if (strcmp(name, "width") == 0) {
|
|
mode->width = strtoint(value, NULL, 10);
|
|
} else if (strcmp(name, "height") == 0) {
|
|
mode->height = strtoint(value, NULL, 10);
|
|
} else if (strcmp(name, "rate") == 0) {
|
|
mode->frame_interval.numerator = 1;
|
|
mode->frame_interval.denominator = strtoint(value, NULL, 10);
|
|
} else if (strcmp(name, "fmt") == 0) {
|
|
mode->pixel_format = mp_pixel_format_from_str(value);
|
|
if (mode->pixel_format == MP_PIXEL_FMT_UNSUPPORTED) {
|
|
g_printerr("Unsupported pixelformat %s\n", value);
|
|
exit(1);
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static int
|
|
config_ini_handler(void *user, const char *section, const char *name,
|
|
const char *value)
|
|
{
|
|
if (strcmp(section, "device") == 0) {
|
|
if (strcmp(name, "make") == 0) {
|
|
exif_make = strdup(value);
|
|
} else if (strcmp(name, "model") == 0) {
|
|
exif_model = strdup(value);
|
|
} else {
|
|
g_printerr("Unknown key '%s' in [device]\n", name);
|
|
exit(1);
|
|
}
|
|
} else {
|
|
if (num_cameras == MP_MAX_CAMERAS) {
|
|
g_printerr("More cameras defined than NUM_CAMERAS\n");
|
|
exit(1);
|
|
}
|
|
|
|
size_t index = 0;
|
|
for (; index < num_cameras; ++index) {
|
|
if (strcmp(cameras[index].cfg_name, section) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (index == num_cameras) {
|
|
printf("Adding camera %s from config\n", section);
|
|
++num_cameras;
|
|
|
|
cameras[index].index = index;
|
|
strcpy(cameras[index].cfg_name, section);
|
|
}
|
|
|
|
struct mp_camera_config *cc = &cameras[index];
|
|
|
|
if (config_handle_camera_mode("capture-", &cc->capture_mode, name, value)) {
|
|
} else if (config_handle_camera_mode("preview-", &cc->preview_mode, name, value)) {
|
|
} else if (strcmp(name, "rotate") == 0) {
|
|
cc->rotate = strtoint(value, NULL, 10);
|
|
} else if (strcmp(name, "mirrored") == 0) {
|
|
cc->mirrored = strcmp(value, "true") == 0;
|
|
} else if (strcmp(name, "driver") == 0) {
|
|
strcpy(cc->dev_name, value);
|
|
} else if (strcmp(name, "media-driver") == 0) {
|
|
strcpy(cc->media_dev_name, value);
|
|
} else if (strcmp(name, "media-links") == 0) {
|
|
char **linkdefs = g_strsplit(value, ",", 0);
|
|
|
|
for (int i = 0; i < MP_MAX_LINKS && linkdefs[i] != NULL; ++i) {
|
|
char **linkdef = g_strsplit(linkdefs[i], "->", 2);
|
|
char **porta = g_strsplit(linkdef[0], ":", 2);
|
|
char **portb = g_strsplit(linkdef[1], ":", 2);
|
|
|
|
strcpy(cc->media_links[i].source_name, porta[0]);
|
|
strcpy(cc->media_links[i].target_name, portb[0]);
|
|
cc->media_links[i].source_port = strtoint(porta[1], NULL, 10);
|
|
cc->media_links[i].target_port = strtoint(portb[1], NULL, 10);
|
|
|
|
g_strfreev(portb);
|
|
g_strfreev(porta);
|
|
g_strfreev(linkdef);
|
|
++cc->num_media_links;
|
|
}
|
|
g_strfreev(linkdefs);
|
|
} else if (strcmp(name, "colormatrix") == 0) {
|
|
sscanf(value, "%f,%f,%f,%f,%f,%f,%f,%f,%f",
|
|
cc->colormatrix+0,
|
|
cc->colormatrix+1,
|
|
cc->colormatrix+2,
|
|
cc->colormatrix+3,
|
|
cc->colormatrix+4,
|
|
cc->colormatrix+5,
|
|
cc->colormatrix+6,
|
|
cc->colormatrix+7,
|
|
cc->colormatrix+8
|
|
);
|
|
} else if (strcmp(name, "forwardmatrix") == 0) {
|
|
sscanf(value, "%f,%f,%f,%f,%f,%f,%f,%f,%f",
|
|
cc->forwardmatrix+0,
|
|
cc->forwardmatrix+1,
|
|
cc->forwardmatrix+2,
|
|
cc->forwardmatrix+3,
|
|
cc->forwardmatrix+4,
|
|
cc->forwardmatrix+5,
|
|
cc->forwardmatrix+6,
|
|
cc->forwardmatrix+7,
|
|
cc->forwardmatrix+8
|
|
);
|
|
} else if (strcmp(name, "whitelevel") == 0) {
|
|
cc->whitelevel = strtoint(value, NULL, 10);
|
|
} else if (strcmp(name, "blacklevel") == 0) {
|
|
cc->blacklevel = strtoint(value, NULL, 10);
|
|
} else if (strcmp(name, "focallength") == 0) {
|
|
cc->focallength = strtof(value, NULL);
|
|
} else if (strcmp(name, "cropfactor") == 0) {
|
|
cc->cropfactor = strtof(value, NULL);
|
|
} else if (strcmp(name, "fnumber") == 0) {
|
|
cc->fnumber = strtod(value, NULL);
|
|
} else if (strcmp(name, "iso-min") == 0) {
|
|
cc->iso_min = strtod(value, NULL);
|
|
} else if (strcmp(name, "iso-max") == 0) {
|
|
cc->iso_max = strtod(value, NULL);
|
|
} else {
|
|
g_printerr("Unknown key '%s' in [%s]\n", name, section);
|
|
exit(1);
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
bool mp_load_config() {
|
|
char file[512];
|
|
if (!find_config(file)) {
|
|
g_printerr("Could not find any config file\n");
|
|
return false;
|
|
}
|
|
|
|
int result = ini_parse(file, config_ini_handler, NULL);
|
|
if (result == -1) {
|
|
g_printerr("Config file not found\n");
|
|
} else if (result == -2) {
|
|
g_printerr("Could not allocate memory to parse config file\n");
|
|
} else if (result != 0) {
|
|
g_printerr("Could not parse config file\n");
|
|
} else {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
const char * mp_get_device_make()
|
|
{
|
|
return exif_make;
|
|
}
|
|
|
|
const char * mp_get_device_model()
|
|
{
|
|
return exif_model;
|
|
}
|
|
|
|
const struct mp_camera_config * mp_get_camera_config(size_t index)
|
|
{
|
|
if (index >= num_cameras)
|
|
return NULL;
|
|
|
|
return &cameras[index];
|
|
}
|