From 62d51a304eb02f0eab0645488c0b922b4a45e1c9 Mon Sep 17 00:00:00 2001
From: jacqueline <me@jacqueline.id.au>
Date: Tue, 19 Dec 2023 18:11:23 +1100
Subject: replace foxenflac with miniflac

it's better!
---
 src/codecs/foxenflac.cpp | 110 -----------------------------------------------
 1 file changed, 110 deletions(-)
 delete mode 100644 src/codecs/foxenflac.cpp

(limited to 'src/codecs/foxenflac.cpp')

diff --git a/src/codecs/foxenflac.cpp b/src/codecs/foxenflac.cpp
deleted file mode 100644
index 1fd95cd1..00000000
--- a/src/codecs/foxenflac.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright 2023 jacqueline <me@jacqueline.id.au>
- *
- * SPDX-License-Identifier: GPL-3.0-only
- */
-
-#include "foxenflac.hpp"
-#include <stdint.h>
-#include <sys/_stdint.h>
-
-#include <cstdlib>
-
-#include "esp_log.h"
-#include "foxen/flac.h"
-#include "sample.hpp"
-
-namespace codecs {
-
-[[maybe_unused]] static const char kTag[] = "flac";
-
-FoxenFlacDecoder::FoxenFlacDecoder()
-    : input_(),
-      buffer_(),
-      flac_(fx_flac_init(
-          heap_caps_malloc(fx_flac_size(FLAC_SUBSET_MAX_BLOCK_SIZE_48KHZ, 2),
-                           MALLOC_CAP_SPIRAM),
-          FLAC_SUBSET_MAX_BLOCK_SIZE_48KHZ,
-          2)) {}
-
-FoxenFlacDecoder::~FoxenFlacDecoder() {
-  free(flac_);
-}
-
-auto FoxenFlacDecoder::OpenStream(std::shared_ptr<IStream> input)
-    -> cpp::result<OutputFormat, Error> {
-  input_ = input;
-
-  bool eof = false;
-  fx_flac_state_t state;
-  do {
-    eof = buffer_.Refill(input_.get());
-    buffer_.ConsumeBytes([&](cpp::span<std::byte> buf) -> size_t {
-      uint32_t bytes_used = buf.size();
-      state =
-          fx_flac_process(flac_, reinterpret_cast<const uint8_t*>(buf.data()),
-                          &bytes_used, NULL, NULL);
-      return bytes_used;
-    });
-  } while (state != FLAC_END_OF_METADATA && !eof);
-
-  if (state != FLAC_END_OF_METADATA) {
-    if (state == FLAC_ERR) {
-      return cpp::fail(Error::kMalformedData);
-    } else {
-      return cpp::fail(Error::kOutOfInput);
-    }
-  }
-
-  int64_t channels = fx_flac_get_streaminfo(flac_, FLAC_KEY_N_CHANNELS);
-  int64_t fs = fx_flac_get_streaminfo(flac_, FLAC_KEY_SAMPLE_RATE);
-  if (channels == FLAC_INVALID_METADATA_KEY ||
-      fs == FLAC_INVALID_METADATA_KEY) {
-    return cpp::fail(Error::kMalformedData);
-  }
-
-  OutputFormat format{
-      .num_channels = static_cast<uint8_t>(channels),
-      .sample_rate_hz = static_cast<uint32_t>(fs),
-  };
-
-  uint64_t num_samples = fx_flac_get_streaminfo(flac_, FLAC_KEY_N_SAMPLES);
-  if (num_samples > 0) {
-    format.total_samples = num_samples * channels;
-  }
-
-  return format;
-}
-
-auto FoxenFlacDecoder::DecodeTo(cpp::span<sample::Sample> output)
-    -> cpp::result<OutputInfo, Error> {
-  bool is_eof = buffer_.Refill(input_.get());
-
-  cpp::span<int32_t> output32{reinterpret_cast<int32_t*>(output.data()),
-                              output.size() / 2};
-  uint32_t samples_written = output32.size();
-
-  fx_flac_state_t state;
-  buffer_.ConsumeBytes([&](cpp::span<std::byte> buf) -> size_t {
-    uint32_t bytes_read = buf.size_bytes();
-    state = fx_flac_process(flac_, reinterpret_cast<const uint8_t*>(buf.data()),
-                            &bytes_read, output32.data(), &samples_written);
-    return bytes_read;
-  });
-  if (state == FLAC_ERR) {
-    return cpp::fail(Error::kMalformedData);
-  }
-
-  for (size_t i = 0; i < samples_written; i++) {
-    output[i] = output32[i] >> 16;
-  }
-
-  return OutputInfo{.samples_written = samples_written,
-                    .is_stream_finished = samples_written == 0 && is_eof};
-}
-
-auto FoxenFlacDecoder::SeekTo(size_t target) -> cpp::result<void, Error> {
-  return {};
-}
-
-}  // namespace codecs
-- 
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