gst_license_plate_recognition/dsexample_lib/dsexample_lib.c
nqthai199@gmail.com df3dd9a705 first commit
2022-09-15 09:26:49 +07:00

95 lines
3.1 KiB
C
Executable File

/**
* Copyright (c) 2017-2020, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "dsexample_lib.h"
#include <stdio.h>
#include <stdlib.h>
struct DsExampleCtx
{
DsExampleInitParams initParams;
};
DsExampleCtx *
DsExampleCtxInit (DsExampleInitParams * initParams)
{
DsExampleCtx *ctx = (DsExampleCtx *) calloc (1, sizeof (DsExampleCtx));
ctx->initParams = *initParams;
return ctx;
}
// In case of an actual processing library, processing on data wil be completed
// in this function and output will be returned
DsExampleOutput *
DsExampleProcess (DsExampleCtx * ctx, unsigned char *data)
{
DsExampleOutput *out =
(DsExampleOutput*)calloc (1, sizeof (DsExampleOutput));
if (data != NULL)
{
// Process your data here
}
// Fill output structure using processed output
// Here, we fake some detected objects and labels
if (ctx->initParams.fullFrame)
{
out->numObjects = 2;
out->object[0] = (DsExampleObject)
{
(float)(ctx->initParams.processingWidth) / 8,
(float)(ctx->initParams.processingHeight) / 8,
(float)(ctx->initParams.processingWidth) / 8,
(float)(ctx->initParams.processingHeight) / 8, "Obj0"
};
out->object[1] = (DsExampleObject)
{
(float)(ctx->initParams.processingWidth) / 2,
(float)(ctx->initParams.processingHeight) / 2,
(float)(ctx->initParams.processingWidth) / 8,
(float)(ctx->initParams.processingHeight) / 8, "Obj1"
};
}
else
{
out->numObjects = 1;
out->object[0] = (DsExampleObject)
{
(float)(ctx->initParams.processingWidth) / 8,
(float)(ctx->initParams.processingHeight) / 8,
(float)(ctx->initParams.processingWidth) / 8,
(float)(ctx->initParams.processingHeight) / 8, ""
};
// Set the object label
snprintf (out->object[0].label, 64, "Obj_label");
}
return out;
}
void
DsExampleCtxDeinit (DsExampleCtx * ctx)
{
free (ctx);
}