diff options
Diffstat (limited to 'AudioFile.cpp')
| -rw-r--r-- | AudioFile.cpp | 86 |
1 files changed, 12 insertions, 74 deletions
diff --git a/AudioFile.cpp b/AudioFile.cpp index 6c84dc5..1e5e6fb 100644 --- a/AudioFile.cpp +++ b/AudioFile.cpp @@ -16,6 +16,7 @@ #include <mp4file.h> #include <mp4tag.h> +/* Turn a string into an integer type for any map class. */ template <typename T, typename M> inline T extractTag(M &map, const char *key) { @@ -24,6 +25,7 @@ inline T extractTag(M &map, const char *key) stream >> ret; return ret; } +/* Turn a string into a bool, based on "1" and "true", for any map class. */ template <typename M> inline bool extractTag(M &map, const char *key) { @@ -31,6 +33,7 @@ inline bool extractTag(M &map, const char *key) std::transform(str.begin(), str.end(), str.begin(), ::tolower); return (str == "1" || str == "true"); } +/* Extract a string out of an MP3 map. */ template <> inline std::string extractTag(const TagLib::ID3v2::FrameListMap &map, const char *key) { @@ -38,6 +41,7 @@ inline std::string extractTag(const TagLib::ID3v2::FrameListMap &map, const char return std::string(); return map[key].front()->toString().to8Bit(true); } +/* Extract a string out of an OGG map. */ template <> inline std::string extractTag(const TagLib::Ogg::FieldListMap &map, const char *key) { @@ -45,6 +49,7 @@ inline std::string extractTag(const TagLib::Ogg::FieldListMap &map, const char * return std::string(); return map[key].front().to8Bit(true); } +/* Extract an integer out of an MP4 map. */ template <> inline unsigned int extractTag(const TagLib::MP4::ItemListMap &map, const char *key) { @@ -52,6 +57,7 @@ inline unsigned int extractTag(const TagLib::MP4::ItemListMap &map, const char * return 0; return map[key].toInt(); } +/* Extract a string out of an MP4 map. */ template <> inline std::string extractTag(const TagLib::MP4::ItemListMap &map, const char *key) { @@ -59,6 +65,7 @@ inline std::string extractTag(const TagLib::MP4::ItemListMap &map, const char *k return std::string(); return map[key].toStringList().toString().to8Bit(true); } +/* Extract a bool out of an MP4 map. */ template <> inline bool extractTag(const TagLib::MP4::ItemListMap &map, const char *key) { @@ -93,11 +100,14 @@ AudioFile::AudioFile(const std::string &filename) : m_genre = tag->genre().to8Bit(true); m_year = tag->year(); m_track = tag->track(); + /* Sometimes these integers are supposed to wrap, + * and taglib doesn't know about it, so we do it manually. */ if (m_track == 4294967295) m_track = 0; if (m_year == 4294967295) m_year = 0; } + /* If there isn't a title, generate one from the basename sans-extension of the file. */ if (m_title.length() == 0) { size_t pos; m_title = filename; @@ -108,6 +118,7 @@ AudioFile::AudioFile(const std::string &filename) : if (pos != std::string::npos) m_title.erase(pos); } + /* TagLib also provides AudioProperties. */ if (const TagLib::AudioProperties *audio = fileRef.audioProperties()) { m_length = audio->length(); m_bitrate = audio->bitrate(); @@ -115,7 +126,7 @@ AudioFile::AudioFile(const std::string &filename) : m_channels = audio->channels(); } - /* Now we look at format specific tags. */ + /* Now we look at format specific tags, attempting to upcast, and then extracting fields. */ if (TagLib::MPEG::File *file = dynamic_cast<TagLib::MPEG::File*>(fileRef.file())) { if (file->ID3v2Tag()) { const TagLib::ID3v2::FrameListMap &map = file->ID3v2Tag()->frameListMap(); @@ -155,76 +166,3 @@ AudioFile::AudioFile(const std::string &filename) : m_isValid = true; } - -bool AudioFile::isValid() const -{ - return m_isValid; -} -std::string AudioFile::filename() const -{ - return m_filename; -} -std::string AudioFile::artist() const -{ - return m_artist; -} -std::string AudioFile::composer() const -{ - return m_composer; -} -std::string AudioFile::album() const -{ - return m_album; -} -std::string AudioFile::albumArtist() const -{ - return m_albumArtist; -} -std::string AudioFile::title() const -{ - return m_title; -} -std::string AudioFile::genre() const -{ - return m_genre; -} -std::string AudioFile::comment() const -{ - return m_comment; -} -unsigned int AudioFile::track() const -{ - return m_track; -} -unsigned int AudioFile::disc() const -{ - return m_disc; -} -unsigned int AudioFile::bpm() const -{ - return m_bpm; -} -unsigned int AudioFile::year() const -{ - return m_year; -} -unsigned int AudioFile::length() const -{ - return m_length; -} -unsigned int AudioFile::bitrate() const -{ - return m_bitrate; -} -unsigned int AudioFile::sampleRate() const -{ - return m_sampleRate; -} -unsigned int AudioFile::channels() const -{ - return m_channels; -} -bool AudioFile::compilation() const -{ - return m_compilation; -} |