Remove external tagreader

src/tagreader/tagreadergme.h

@@ -0,0 +1,114 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2022, Eoin O'Neill <eoinoneill1991@gmail.com>
+ *
+ * Strawberry is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Strawberry is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef TAGREADERGME_H
+#define TAGREADERGME_H
+
+#include <QByteArray>
+#include <QString>
+#include <QFileInfo>
+
+#include "tagreaderbase.h"
+
+namespace GME {
+bool IsSupportedFormat(const QFileInfo &fileinfo);
+TagReaderResult ReadFile(const QFileInfo &fileinfo, Song *song);
+
+uint32_t UnpackBytes32(const char *const bytes, size_t length);
+
+namespace SPC {
+// SPC SPEC: http://vspcplay.raphnet.net/spc_file_format.txt
+
+constexpr int HAS_ID6_OFFSET = 0x23;
+constexpr int SONG_TITLE_OFFSET = 0x2E;
+constexpr int GAME_TITLE_OFFSET = 0x4E;
+constexpr int DUMPER_OFFSET = 0x6E;
+constexpr int COMMENTS_OFFSET = 0x7E;
+// It seems that intro length and fade length are inconsistent from file to file.
+// It should be looked into within the GME source code to see how GStreamer gets its values for playback length.
+constexpr int INTRO_LENGTH_OFFSET = 0xA9;
+constexpr int INTRO_LENGTH_SIZE = 3;
+constexpr int FADE_LENGTH_OFFSET = 0xAC;
+constexpr int FADE_LENGTH_SIZE = 4;
+constexpr int ARTIST_OFFSET = 0xB1;
+constexpr int XID6_OFFSET = (0x101C0 + 64);
+
+constexpr int NANO_PER_MS = 1000000;
+
+enum class xID6_STATUS {
+  ON = 0x26,
+  OFF = 0x27
+};
+
+enum class xID6_ID {
+  SongName = 0x01,
+  GameName = 0x02,
+  ArtistName = 0x03
+};
+
+enum class xID6_TYPE {
+  Length = 0x0,
+  String = 0x1,
+  Integer = 0x4
+};
+
+TagReaderResult Read(const QFileInfo &fileinfo, Song *song);
+qint16 GetNextMemAddressAlign32bit(qint16 input);
+quint64 ConvertSPCStringToNum(const QByteArray &arr);
+}  // namespace SPC
+
+namespace VGM {
+// VGM SPEC:
+// http://www.smspower.org/uploads/Music/vgmspec170.txt?sid=17c810c54633b6dd4982f92f718361c1
+// GD3 TAG SPEC:
+// http://www.smspower.org/uploads/Music/gd3spec100.txt
+constexpr int GD3_TAG_PTR = 0x14;
+constexpr int SAMPLE_COUNT = 0x18;
+constexpr int LOOP_SAMPLE_COUNT = 0x20;
+constexpr int SAMPLE_TIMEBASE = 44100;
+constexpr int GST_GME_LOOP_TIME_MS = 8000;
+
+TagReaderResult Read(const QFileInfo &fileinfo, Song *song);
+// Takes in two QByteArrays, expected to be 4 bytes long. Desired length is returned via output parameter out_length. Returns false on error.
+bool GetPlaybackLength(const QByteArray &sample_count_bytes, const QByteArray &loop_count_bytes, quint64 &out_length);
+
+}  // namespace VGM
+
+}  // namespace GME
+
+// TagReaderGME
+// Fulfills Strawberry's Intended interface for tag reading.
+class TagReaderGME : public TagReaderBase {
+
+ public:
+  explicit TagReaderGME();
+
+  TagReaderResult IsMediaFile(const QString &filename) const override;
+
+  TagReaderResult ReadFile(const QString &filename, Song *song) const override;
+  TagReaderResult WriteFile(const QString &filename, const Song &song, const SaveTagsOptions save_tags_options, const SaveTagCoverData &save_tag_cover_data) const override;
+
+  TagReaderResult LoadEmbeddedCover(const QString &filename, QByteArray &data) const override;
+  TagReaderResult SaveEmbeddedCover(const QString &filename, const SaveTagCoverData &save_tag_cover_data) const override;
+
+  TagReaderResult SaveSongPlaycount(const QString &filename, const uint playcount) const override;
+  TagReaderResult SaveSongRating(const QString &filename, const float rating) const override;
+};
+
+#endif  // TAGREADERGME_H