Add the program to display file wavetable info

tests/CMakeLists.txt

@@ -93,6 +93,9 @@ target_link_libraries(sfizz_plot_wavetables PRIVATE sfizz::sfizz)
 add_executable(sfizz_file_instrument FileInstrument.cpp)
 target_link_libraries(sfizz_file_instrument PRIVATE sfizz::sfizz)
 
+add_executable(sfizz_file_wavetable FileWavetable.cpp)
+target_link_libraries(sfizz_file_wavetable PRIVATE sfizz::sfizz)
+
 add_executable(sfizz_tuning Tuning.cpp)
 target_link_libraries(sfizz_tuning PRIVATE sfizz::sfizz)
 

tests/FileWavetable.cpp

@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: BSD-2-Clause
+
+// This code is part of the sfizz library and is licensed under a BSD 2-clause
+// license. You should have receive a LICENSE.md file along with the code.
+// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
+
+#include "sfizz/FileMetadata.h"
+#include "absl/strings/string_view.h"
+#include <cstdio>
+
+static void printWavetable(const sfz::WavetableInfo& wt)
+{
+    printf("Table size: %u\n", wt.tableSize);
+    printf("Cross-table interpolation: %d\n", wt.crossTableInterpolation);
+    printf("One-shot: %d\n", wt.oneShot);
+}
+
+static void usage(const char* argv0)
+{
+    fprintf(
+        stderr,
+        "Usage: %s <sound-file>\n",
+        argv0);
+}
+
+int main(int argc, char *argv[])
+{
+    fs::path path;
+
+    if (argc == 2)
+        path = argv[1];
+    else {
+        usage(argv[0]);
+        return 1;
+    }
+
+    sfz::WavetableInfo wt {};
+
+    sfz::FileMetadataReader reader;
+    if (!reader.open(path)) {
+        fprintf(stderr, "Cannot open file\n");
+        return 1;
+    }
+    if (!reader.extractWavetableInfo(wt)) {
+        fprintf(stderr, "Cannot get wavetable info\n");
+        return 1;
+    }
+
+    printWavetable(wt);
+
+    return 0;
+}