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playlist/flac: move code to ToSongEnumerator()

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This commit is contained in:
Max Kellermann 2019-08-15 10:40:37 +02:00
parent dcb07e6ed4
commit 5894514ccb
1 changed files with 30 additions and 21 deletions
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51
src/playlist/plugins/FlacPlaylistPlugin.cxx
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@ -34,6 +34,34 @@
#include <FLAC/metadata.h>
static auto
ToSongEnumerator(const char *uri,
const FLAC__StreamMetadata_CueSheet &c,
const unsigned sample_rate,
const FLAC__uint64 total_samples) noexcept
{
std::forward_list<DetachedSong> songs;
auto tail = songs.before_begin();
for (unsigned i = 0; i < c.num_tracks; ++i) {
const auto &track = c.tracks[i];
if (track.type != 0)
continue;
const FLAC__uint64 start = track.offset;
const FLAC__uint64 end = i + 1 < c.num_tracks
? c.tracks[i + 1].offset
: total_samples;
tail = songs.emplace_after(tail, uri);
auto &song = *tail;
song.SetStartTime(SongTime::FromScale(start, sample_rate));
song.SetEndTime(SongTime::FromScale(end, sample_rate));
}
return std::make_unique<MemorySongEnumerator>(std::move(songs));
}
static std::unique_ptr<SongEnumerator>
flac_playlist_open_uri(const char *uri,
gcc_unused Mutex &mutex)
@ -61,27 +89,8 @@ flac_playlist_open_uri(const char *uri,
const unsigned sample_rate = streaminfo.data.stream_info.sample_rate;
const FLAC__uint64 total_samples = streaminfo.data.stream_info.total_samples;
std::forward_list<DetachedSong> songs;
auto tail = songs.before_begin();
const auto &c = cuesheet->data.cue_sheet;
for (unsigned i = 0; i < c.num_tracks; ++i) {
const auto &track = c.tracks[i];
if (track.type != 0)
continue;
const FLAC__uint64 start = track.offset;
const FLAC__uint64 end = i + 1 < c.num_tracks
? c.tracks[i + 1].offset
: total_samples;
tail = songs.emplace_after(tail, uri);
auto &song = *tail;
song.SetStartTime(SongTime::FromScale(start, sample_rate));
song.SetEndTime(SongTime::FromScale(end, sample_rate));
}
return std::make_unique<MemorySongEnumerator>(std::move(songs));
return ToSongEnumerator(uri, cuesheet->data.cue_sheet,
sample_rate, total_samples);
}
static const char *const flac_playlist_suffixes[] = {