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69 lines
2.6 KiB
69 lines
2.6 KiB
#include <assert.h>
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#include <math.h>
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#include "commonmodel.h"
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#include "common/mat.h"
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#include "common/timing.h"
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void frame_init(ModelFrame* frame, int width, int height,
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cl_device_id device_id, cl_context context) {
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int err;
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transform_init(&frame->transform, context, device_id);
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frame->transformed_width = width;
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frame->transformed_height = height;
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frame->transformed_y_cl = clCreateBuffer(context, CL_MEM_READ_WRITE,
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(size_t)frame->transformed_width*frame->transformed_height, NULL, &err);
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assert(err == 0);
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frame->transformed_u_cl = clCreateBuffer(context, CL_MEM_READ_WRITE,
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(size_t)(frame->transformed_width/2)*(frame->transformed_height/2), NULL, &err);
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assert(err == 0);
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frame->transformed_v_cl = clCreateBuffer(context, CL_MEM_READ_WRITE,
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(size_t)(frame->transformed_width/2)*(frame->transformed_height/2), NULL, &err);
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assert(err == 0);
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frame->net_input_size = ((width*height*3)/2)*sizeof(float);
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frame->net_input = clCreateBuffer(context, CL_MEM_READ_WRITE,
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frame->net_input_size, (void*)NULL, &err);
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assert(err == 0);
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loadyuv_init(&frame->loadyuv, context, device_id, frame->transformed_width, frame->transformed_height);
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}
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float *frame_prepare(ModelFrame* frame, cl_command_queue q,
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cl_mem yuv_cl, int width, int height,
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mat3 transform) {
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int err;
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transform_queue(&frame->transform, q,
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yuv_cl, width, height,
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frame->transformed_y_cl, frame->transformed_u_cl, frame->transformed_v_cl,
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frame->transformed_width, frame->transformed_height,
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transform);
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loadyuv_queue(&frame->loadyuv, q,
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frame->transformed_y_cl, frame->transformed_u_cl, frame->transformed_v_cl,
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frame->net_input);
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float *net_input_buf = (float *)clEnqueueMapBuffer(q, frame->net_input, CL_TRUE,
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CL_MAP_READ, 0, frame->net_input_size,
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0, NULL, NULL, &err);
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clFinish(q);
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return net_input_buf;
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}
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void frame_free(ModelFrame* frame) {
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transform_destroy(&frame->transform);
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loadyuv_destroy(&frame->loadyuv);
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clReleaseMemObject(frame->net_input);
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clReleaseMemObject(frame->transformed_v_cl);
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clReleaseMemObject(frame->transformed_u_cl);
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clReleaseMemObject(frame->transformed_y_cl);
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}
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float sigmoid(float input) {
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return 1 / (1 + expf(-input));
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}
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float softplus(float input) {
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return log1p(expf(input));
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}
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