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54 lines
1.8 KiB
54 lines
1.8 KiB
#include "monitoring.h"
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#include "common/mat.h"
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#define MODEL_WIDTH 320
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#define MODEL_HEIGHT 160
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extern const uint8_t monitoring_model_data[] asm("_binary_monitoring_model_dlc_start");
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extern const uint8_t monitoring_model_end[] asm("_binary_monitoring_model_dlc_end");
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const size_t monitoring_model_size = monitoring_model_end - monitoring_model_data;
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void monitoring_init(MonitoringState* s, cl_device_id device_id, cl_context context) {
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model_input_init(&s->in, MODEL_WIDTH, MODEL_HEIGHT, device_id, context);
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s->m = new SNPEModel(monitoring_model_data, monitoring_model_size, (float*)&s->output, OUTPUT_SIZE);
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}
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MonitoringResult monitoring_eval_frame(MonitoringState* s, cl_command_queue q,
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cl_mem yuv_cl, int width, int height) {
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const mat3 front_frame_from_scaled_frame = (mat3){{
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width/426.0f, 0.0, 0.0,
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0.0,height/320.0f, 0.0,
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0.0, 0.0, 1.0,
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}};
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const mat3 scaled_frame_from_cropped_frame = (mat3){{
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1.0, 0.0, 426.0-160.0,
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0.0, 1.0, 0.0,
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0.0, 0.0, 1.0,
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}};
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const mat3 transpose = (mat3){{
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0.0, 1.0, 0.0,
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1.0, 0.0, 0.0,
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0.0, 0.0, 1.0,
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}};
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const mat3 front_frame_from_cropped_frame = matmul3(front_frame_from_scaled_frame, scaled_frame_from_cropped_frame);
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const mat3 front_frame_from_monitoring_frame = matmul3(front_frame_from_cropped_frame, transpose);
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float *net_input_buf = model_input_prepare(&s->in, q, yuv_cl, width, height, front_frame_from_monitoring_frame);
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s->m->execute(net_input_buf);
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MonitoringResult ret = {0};
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memcpy(ret.vs, s->output, sizeof(ret.vs));
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ret.std = sqrtf(2.f) / s->output[OUTPUT_SIZE - 1];
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return ret;
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}
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void monitoring_free(MonitoringState* s) {
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model_input_free(&s->in);
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delete s->m;
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}
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