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@@ -5,51 +5,38 @@ |
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#include "blc_channel.h"
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#include "blc_program.h"
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#include <unistd.h>
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#include <math.h>
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#define DEFAULT_OUTPUT_NAME ":point_of_interest<pid>"
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#define IN(x,y) input.uchars[(x)+(y)*in_width]
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int main(int argc, char **argv){
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blc_channel input, output;
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char const *output_name, *input_name;
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int out_width, out_height, in_width, in_height;
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int i, j, sobel;
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blc_channel input, output1, output2;
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char const *output_name1, *output_name2, *input_name;
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blc_program_set_description("Find a points of interest on a image");
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blc_program_add_option(&output_name, 'o', "output", "blc_channel-out", "channel name", DEFAULT_OUTPUT_NAME);
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blc_program_add_parameter(&input_name, "blc_channel-in", 1, "image from where you want to find the points of interest", NULL);
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blc_program_init(&argc, &argv, blc_quit);
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blc_program_set_description("Duplicate a channel");
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blc_program_add_parameter(&input_name, "blc_channel-in", 1, "input channel to split", NULL);
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blc_program_add_parameter(&output_name1, "blc_channel-out", 1, "first copy of input", NULL);
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blc_program_add_parameter(&output_name2, "blc_channel-out", 1, "second_copy of input", NULL);
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if (strcmp(output_name, DEFAULT_OUTPUT_NAME)==0) SYSTEM_ERROR_CHECK(asprintf((char**)&output_name,":point_of_interest%d", getpid()), -1, NULL);
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blc_program_init(&argc, &argv, blc_quit);
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input.open(input_name, BLC_CHANNEL_READ);
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blc_loop_try_add_waiting_semaphore(input.sem_new_data);
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blc_loop_try_add_posting_semaphore(input.sem_ack_data);
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in_width=input.dims[0].length;
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in_height=input.dims[1].length;
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out_width=in_width-1;
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out_height=in_height-1;
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output.create_or_open(output_name, BLC_CHANNEL_WRITE, input.type, 'Y800', 2, out_width, out_height);
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output.publish();
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blc_loop_try_add_waiting_semaphore(output.sem_ack_data);
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blc_loop_try_add_posting_semaphore(output.sem_new_data);
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output1.create_or_open(output_name1, BLC_CHANNEL_WRITE, input.type, input.format, input.dims_nb, input.dims);
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output2.create_or_open(output_name2, BLC_CHANNEL_WRITE, input.type, input.format, input.dims_nb, input.dims);
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BLC_COMMAND_LOOP(0){
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FOR(j, out_height){
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FOR(i, out_width){
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output.uchars[i+j*out_width]=(IN(i, j)+IN(i+1, j)+IN(i+2,j)\
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+ IN(i, j+1)+IN(i+1, j+1)+IN(i+2,j+1)\
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+ IN(i, j+2)+IN(i+1, j+2)+IN(i+2,j+2))/9;
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}
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}
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}
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if (output1.sem_ack_data) sem_wait(output1.sem_ack_data);
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memcpy(output1.data, input.data, output1.size);
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if (output1.sem_new_data) sem_post(output1.sem_new_data);
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if (output2.sem_ack_data) sem_wait(output2.sem_ack_data);
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memcpy(output2.data, input.data, output2.size);
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if (output2.sem_new_data) sem_post(output2.sem_new_data);
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}
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return EXIT_SUCCESS;
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} |
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