1 files changed, 63 insertions, 2 deletions

diff --git a/src/tools/sstv-encode.cpp b/src/tools/sstv-encode.cpp
index fe925ed..b621a5c 100644
--- a/src/tools/sstv-encode.cpp
+++ b/src/tools/sstv-encode.cpp
@@ -5,9 +5,70 @@
  * it under the terms of the MIT license. See LICENSE for details.
  */
 
-int a = 0;
+#include <iostream>
+#include <malloc.h>
 
-int main()
+#include <glog/logging.h>
+#include <gflags/gflags.h>
+#include "cimg/CImg.h"
+
+extern "C" {
+#include <libsstv.h>
+}
+
+/*
+ * Command line flags
+ */
+
+DEFINE_bool(logtostderr, false, "Only log to stderr");
+DEFINE_string(mode, "", "SSTV mode for encoder");
+DEFINE_string(input, "", "input image");
+DEFINE_uint64(sample_rate, 48000, "output audio sample rate");
+
+int main(int argc, char **argv)
 {
+    /* Parse command line flags */
+    gflags::ParseCommandLineFlags(&argc, &argv, true);
+
+    /* Initialize logging */
+    google::InitGoogleLogging(argv[0]);
+    google::InstallFailureSignalHandler();
+
+    /* check input */
+    if (FLAGS_input == "") {
+        LOG(FATAL) << "Input image filename not provided, use --input";
+    }
+    if (FLAGS_mode == "") {
+        LOG(FATAL) << "Encoding mode not provided, use --mode";
+    }
+
+    /* load image */
+    LOG(INFO) << "Loading image from " << FLAGS_input;
+    cimg_library::CImg<unsigned char> input_image(FLAGS_input.c_str());
+    uint8_t *bytes = input_image.data();
+
+    /* initialize an encoder */
+    LOG(INFO) << "Initializing libsstv";
+    if (sstv_init(malloc, free) != SSTV_OK) {
+        LOG(FATAL) << "Failed to initialize libsstv";
+    }
+
+    LOG(INFO) << "Creating encoding context";
+    void *ctx = nullptr;
+    if (sstv_create_encoder(SSTV_PD120, bytes, FLAGS_sample_rate, &ctx) != SSTV_OK) {
+        LOG(FATAL) << "Failed to create SSTV encoder";
+    }
+    if (!ctx) {
+        LOG(FATAL) << "NULL encoder received";
+    }
+
+    /* cleanup */
+    LOG(INFO) << "Cleaning up";
+    if (sstv_delete_encoder(ctx) != SSTV_OK) {
+        LOG(FATAL) << "Failed to delete SSTV encoder";
+    }
+
+    /* all ok */
+    LOG(INFO) << "Successfuly exited";
     return 0;
 }
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