Merge pull request 'Add bitrate info' (#172) from tjk/tangara-fw:bitrate into main

Reviewed-on: https://codeberg.org/cool-tech-zone/tangara-fw/pulls/172
Reviewed-by: cooljqln <cooljqln@noreply.codeberg.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/codecs/dr_flac.cpp b/src/codecs/dr_flac.cpp
index 9341e938..939705ad 100644
--- a/src/codecs/dr_flac.cpp
+++ b/src/codecs/dr_flac.cpp
@@ -97,6 +97,13 @@ auto DrFlacDecoder::OpenStream(std::shared_ptr<IStream> input, uint32_t offset)
       .sample_rate_hz = static_cast<uint32_t>(flac_->sampleRate),
       .total_samples = flac_->totalPCMFrameCount * flac_->channels,
   };
+
+  if (input->Size() && format.total_samples) {
+    double sample_size = *(input->Size()) * 8.0 / *(format.total_samples);
+    format.bitrate_kbps = static_cast<uint32_t>(
+        flac_->sampleRate * flac_->channels * sample_size / 1024);
+  }
+
   return format;
 }