calculate length for CBR mp3 files

1 files changed, 6 insertions, 2 deletions

diff --git a/src/audio/readahead_source.cpp b/src/audio/readahead_source.cpp
index 35c5314f..aae878f8 100644
--- a/src/audio/readahead_source.cpp
+++ b/src/audio/readahead_source.cpp
@@ -47,8 +47,8 @@ auto ReadaheadSource::Read(cpp::span<std::byte> dest) -> ssize_t {
   // Fill the destination from our buffer, until either the buffer is drained
   // or the destination is full.
   while (!dest.empty() && (is_refilling_ || !xStreamBufferIsEmpty(buffer_))) {
-    size_t bytes_read = xStreamBufferReceive(buffer_, dest.data(),
-                                             dest.size_bytes(), 1);
+    size_t bytes_read =
+        xStreamBufferReceive(buffer_, dest.data(), dest.size_bytes(), 1);
     tell_ += bytes_read;
     bytes_written += bytes_read;
     dest = dest.subspan(bytes_read);
@@ -102,6 +102,10 @@ auto ReadaheadSource::CurrentPosition() -> int64_t {
   return tell_;
 }
 
+auto ReadaheadSource::Size() -> std::optional<int64_t> {
+  return wrapped_->Size();
+}
+
 auto ReadaheadSource::SetPreambleFinished() -> void {
   readahead_enabled_ = true;
   BeginReadahead();