From a49d754da6c293445be16ac643d10849c01ea96b Mon Sep 17 00:00:00 2001
From: ailurux <ailuruxx@gmail.com>
Date: Fri, 16 Feb 2024 10:57:47 +1100
Subject: [PATCH] Seeking working with hardcoded event, wav only

---
 src/audio/audio_decoder.cpp | 2 +-
 src/audio/audio_fsm.cpp     | 4 +++-
 src/codecs/wav.cpp          | 8 +++++++-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/audio/audio_decoder.cpp b/src/audio/audio_decoder.cpp
index 02cf27e3..eaa9ff9c 100644
--- a/src/audio/audio_decoder.cpp
+++ b/src/audio/audio_decoder.cpp
@@ -155,7 +155,7 @@ auto Decoder::BeginDecoding(std::shared_ptr<TaggedStream> stream) -> bool {
       .bitrate_kbps = open_res->sample_rate_hz,
       .encoding = stream->type(),
   });
-  timer_.reset(new Timer(tags, open_res.value()));
+  timer_.reset(new Timer(tags, open_res.value(), stream->Offset()));
 
   // TODO: How does *this?* need to change?
   PlaybackUpdate ev{.seconds_elapsed = stream->Offset(), .track = tags};
diff --git a/src/audio/audio_fsm.cpp b/src/audio/audio_fsm.cpp
index c67cfc7a..75e3c24a 100644
--- a/src/audio/audio_fsm.cpp
+++ b/src/audio/audio_fsm.cpp
@@ -244,11 +244,13 @@ void Uninitialised::react(const system_fsm::BootComplete& ev) {
 }
 
 void Standby::react(const PlayFile& ev) {
+  sCurrentTrack = 0;
+  sIsPlaybackAllowed = true;
   sFileSource->SetPath(ev.filename, 10);
 }
 
 void Playback::react(const PlayFile& ev) {
-  sFileSource->SetPath(ev.filename, 15);
+  sFileSource->SetPath(ev.filename, 10);
 }
 
 void Standby::react(const SeekFile& ev) {
diff --git a/src/codecs/wav.cpp b/src/codecs/wav.cpp
index 652f4f88..22cbd49c 100644
--- a/src/codecs/wav.cpp
+++ b/src/codecs/wav.cpp
@@ -199,7 +199,7 @@ auto WavDecoder::OpenStream(std::shared_ptr<IStream> input,uint32_t offset)
     return cpp::fail(Error::kUnsupportedFormat);
   }
 
-  auto data_offset = offset * samples_per_second * bits_per_sample;
+  int64_t data_offset = offset * samples_per_second * bytes_per_sample_;
 
   // Seek track to start of data
   input->SeekTo(data_chunk_index + 8 + data_offset, IStream::SeekFrom::kStartOfStream);
@@ -218,6 +218,7 @@ auto WavDecoder::DecodeTo(cpp::span<sample::Sample> output)
 
   buffer_.ConsumeBytes([&](cpp::span<std::byte> buf) -> size_t {
     size_t bytes_read = buf.size_bytes();
+    ESP_LOGI(kTag, "Bytes read: %d", bytes_read);
     size_t frames_read =
         bytes_read / bytes_per_sample_ / output_format_.num_channels;
 
@@ -243,6 +244,11 @@ auto WavDecoder::DecodeTo(cpp::span<sample::Sample> output)
     return samples_written * bytes_per_sample_;
   });
 
+  ESP_LOGI(kTag, "Samples written %d", samples_written);
+  if (is_eof) {
+    ESP_LOGI(kTag, "EOF");
+  }
+
   return OutputInfo{.samples_written = samples_written,
                     .is_stream_finished = samples_written == 0 && is_eof};
 }