create ogg.cc for libogg helpers

CMakeLists.txt

@@ -17,6 +17,7 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 add_executable(
 	opustags
+	src/ogg.cc
 	src/opus.cc
 	src/opustags.cc
 )

src/ogg.cc

@@ -0,0 +1,12 @@
+#include "opustags.h"
+
+#include <cstdio>
+
+int ot::write_page(ogg_page *og, FILE *stream)
+{
+	if((ssize_t) fwrite(og->header, 1, og->header_len, stream) < og->header_len)
+		return -1;
+	if((ssize_t) fwrite(og->body, 1, og->body_len, stream) < og->body_len)
+		return -1;
+	return 0;
+}

src/opustags.cc

@@ -13,14 +13,6 @@
 
 using namespace ot;
 
-int write_page(ogg_page *og, FILE *stream){
-    if((ssize_t) fwrite(og->header, 1, og->header_len, stream) < og->header_len)
-        return -1;
-    if((ssize_t) fwrite(og->body, 1, og->body_len, stream) < og->body_len)
-        return -1;
-    return 0;
-}
-
 const char *version = PROJECT_NAME " version " PROJECT_VERSION "\n";
 
 const char *usage =

src/opustags.h

@@ -4,6 +4,7 @@
  */
 
 #include <cstdint>
+#include <cstdio>
 #include <ogg/ogg.h>
 
 namespace ot {
@@ -11,8 +12,14 @@ namespace ot {
 /**
  * \defgroup ogg Ogg
  * \brief Helpers to work with libogg.
+ *
+ * \{
  */
 
+int write_page(ogg_page *og, FILE *stream);
+
+/** \} */
+
 /**
  * \defgroup opus Opus
  * \brief Opus packet decoding and recoding.