rexy712/rex-edid
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prints disconnected displays now

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Rexy712 2018-04-27 13:01:27 -07:00
parent 3afac42ece
commit 4d1a5bd3aa
1 changed files with 6 additions and 30 deletions
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36
src/rex-edid.c
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@ -22,34 +22,9 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#define EDID_OFFSET 7
#define RANDR_MIN_VER_MAJ 1u #define RANDR_MIN_VER_MAJ 1u
#define RANDR_MIN_VER_MIN 3u #define RANDR_MIN_VER_MIN 3u
struct edid{
union{
uint8_t header_bits[8];
uint64_t header;
};
uint16_t vendor;
uint16_t product;
uint32_t serial;
uint8_t manufacture_week;
uint8_t manufacture_year;
uint8_t edid_version_major;
uint8_t edid_version_minor;
uint8_t video_flags;
uint8_t horizontal_size;
uint8_t vertical_size;
uint8_t gamma;
uint8_t video_features;
uint8_t chromaticity[10];
uint8_t established_timing[3];
uint8_t standard_timing[8];
};
typedef struct edid edid;
/*return 0 if we have a good version*/ /*return 0 if we have a good version*/
int check_randr_version(xcb_connection_t* connection, int* maj, int* min){ int check_randr_version(xcb_connection_t* connection, int* maj, int* min){
xcb_randr_query_version_cookie_t cookie; xcb_randr_query_version_cookie_t cookie;
@ -170,6 +145,10 @@ int main(int argc, char* argv[]){
output_atoms = xcb_randr_list_output_properties_atoms(output_list_prop_reply); output_atoms = xcb_randr_list_output_properties_atoms(output_list_prop_reply);
num_atoms = xcb_randr_list_output_properties_atoms_length(output_list_prop_reply); num_atoms = xcb_randr_list_output_properties_atoms_length(output_list_prop_reply);
/*get output name*/
output_info_reply = xcb_randr_get_output_info_reply(connection, xcb_randr_get_output_info(connection, randr_outputs[i], timestamp), NULL);
printf("%.*s:", xcb_randr_get_output_info_name_length(output_info_reply), xcb_randr_get_output_info_name(output_info_reply));
for(j = 0;j < num_atoms;++j){ for(j = 0;j < num_atoms;++j){
unsigned int k; unsigned int k;
/*get atom_name*/ /*get atom_name*/
@ -177,9 +156,6 @@ int main(int argc, char* argv[]){
/*if the atom is the EDID data, we want to get it*/ /*if the atom is the EDID data, we want to get it*/
if(!memcmp(xcb_get_atom_name_name(atom_name_reply), "EDID", 4)){ if(!memcmp(xcb_get_atom_name_name(atom_name_reply), "EDID", 4)){
/*get output name*/
output_info_reply = xcb_randr_get_output_info_reply(connection, xcb_randr_get_output_info(connection, randr_outputs[i], timestamp), NULL);
printf("%s:", xcb_randr_get_output_info_name(output_info_reply));
/*get property data for the current atom*/ /*get property data for the current atom*/
output_get_prop_reply = xcb_randr_get_output_property_reply(connection, xcb_randr_get_output_property(connection, randr_outputs[i], output_atoms[j], XCB_GET_PROPERTY_TYPE_ANY, 0, 100, 0, 0), NULL); output_get_prop_reply = xcb_randr_get_output_property_reply(connection, xcb_randr_get_output_property(connection, randr_outputs[i], output_atoms[j], XCB_GET_PROPERTY_TYPE_ANY, 0, 100, 0, 0), NULL);
prop_data = xcb_randr_get_output_property_data(output_get_prop_reply); prop_data = xcb_randr_get_output_property_data(output_get_prop_reply);
@ -188,12 +164,12 @@ int main(int argc, char* argv[]){
for(k = 0;k < output_get_prop_reply->num_items;++k){ for(k = 0;k < output_get_prop_reply->num_items;++k){
printf("%02x", prop_data[k]); printf("%02x", prop_data[k]);
} }
printf("\n");
free(output_info_reply);
free(output_get_prop_reply); free(output_get_prop_reply);
} }
free(atom_name_reply); free(atom_name_reply);
} }
printf("\n");
free(output_info_reply);
free(output_list_prop_reply); free(output_list_prop_reply);
} }