decoder/flac: rename FlacMetadata.cxx to FlacStreamMetadata.cxx
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@@ -23,7 +23,7 @@
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#include "config.h"
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#include "FlacCommon.hxx"
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#include "FlacMetadata.hxx"
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#include "lib/xiph/FlacStreamMetadata.hxx"
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#include "Log.hxx"
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#include "input/InputStream.hxx"
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@@ -1,161 +0,0 @@
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/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "FlacMetadata.hxx"
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#include "lib/xiph/XiphTags.hxx"
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#include "MixRampInfo.hxx"
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#include "tag/Handler.hxx"
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#include "tag/Table.hxx"
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#include "tag/Builder.hxx"
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#include "tag/Tag.hxx"
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#include "tag/VorbisComment.hxx"
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#include "tag/ReplayGain.hxx"
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#include "tag/MixRamp.hxx"
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#include "ReplayGainInfo.hxx"
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#include "util/DivideString.hxx"
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bool
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flac_parse_replay_gain(ReplayGainInfo &rgi,
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const FLAC__StreamMetadata_VorbisComment &vc)
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{
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rgi.Clear();
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bool found = false;
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const auto *comments = vc.comments;
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for (FLAC__uint32 i = 0, n = vc.num_comments; i < n; ++i)
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if (ParseReplayGainVorbis(rgi,
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(const char *)comments[i].entry))
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found = true;
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return found;
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}
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MixRampInfo
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flac_parse_mixramp(const FLAC__StreamMetadata_VorbisComment &vc)
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{
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MixRampInfo mix_ramp;
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const auto *comments = vc.comments;
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for (FLAC__uint32 i = 0, n = vc.num_comments; i < n; ++i)
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ParseMixRampVorbis(mix_ramp,
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(const char *)comments[i].entry);
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return mix_ramp;
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}
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/**
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* Checks if the specified name matches the entry's name, and if yes,
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* returns the comment value;
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*/
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static const char *
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flac_comment_value(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
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const char *name) noexcept
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{
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return vorbis_comment_value((const char *)entry->entry, name);
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}
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/**
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* Check if the comment's name equals the passed name, and if so, copy
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* the comment value into the tag.
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*/
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static bool
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flac_copy_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
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const char *name, TagType tag_type,
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TagHandler &handler) noexcept
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{
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const char *value = flac_comment_value(entry, name);
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if (value != nullptr) {
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handler.OnTag(tag_type, value);
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return true;
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}
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return false;
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}
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static void
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flac_scan_comment(const FLAC__StreamMetadata_VorbisComment_Entry *entry,
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TagHandler &handler) noexcept
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{
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if (handler.WantPair()) {
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const char *comment = (const char *)entry->entry;
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const DivideString split(comment, '=');
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if (split.IsDefined() && !split.empty())
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handler.OnPair(split.GetFirst(), split.GetSecond());
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}
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for (const struct tag_table *i = xiph_tags; i->name != nullptr; ++i)
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if (flac_copy_comment(entry, i->name, i->type, handler))
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return;
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for (unsigned i = 0; i < TAG_NUM_OF_ITEM_TYPES; ++i)
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if (flac_copy_comment(entry,
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tag_item_names[i], (TagType)i,
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handler))
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return;
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}
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static void
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flac_scan_comments(const FLAC__StreamMetadata_VorbisComment *comment,
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TagHandler &handler) noexcept
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{
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for (unsigned i = 0; i < comment->num_comments; ++i)
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flac_scan_comment(&comment->comments[i],
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handler);
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}
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gcc_pure
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static inline SongTime
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flac_duration(const FLAC__StreamMetadata_StreamInfo *stream_info) noexcept
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{
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assert(stream_info->sample_rate > 0);
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return SongTime::FromScale<uint64_t>(stream_info->total_samples,
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stream_info->sample_rate);
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}
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void
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flac_scan_metadata(const FLAC__StreamMetadata *block,
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TagHandler &handler) noexcept
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{
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switch (block->type) {
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case FLAC__METADATA_TYPE_VORBIS_COMMENT:
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flac_scan_comments(&block->data.vorbis_comment,
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handler);
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break;
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case FLAC__METADATA_TYPE_STREAMINFO:
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if (block->data.stream_info.sample_rate > 0)
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handler.OnDuration(flac_duration(&block->data.stream_info));
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break;
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default:
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break;
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}
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}
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Tag
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flac_vorbis_comments_to_tag(const FLAC__StreamMetadata_VorbisComment *comment)
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{
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TagBuilder tag_builder;
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AddTagHandler h(tag_builder);
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flac_scan_comments(comment, h);
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return tag_builder.Commit();
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}
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@@ -1,45 +0,0 @@
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/*
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* Copyright 2003-2017 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MPD_FLAC_METADATA_H
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#define MPD_FLAC_METADATA_H
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#include <FLAC/metadata.h>
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class TagHandler;
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class MixRampInfo;
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struct Tag;
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struct ReplayGainInfo;
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bool
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flac_parse_replay_gain(ReplayGainInfo &rgi,
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const FLAC__StreamMetadata_VorbisComment &vc);
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MixRampInfo
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flac_parse_mixramp(const FLAC__StreamMetadata_VorbisComment &vc);
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Tag
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flac_vorbis_comments_to_tag(const FLAC__StreamMetadata_VorbisComment *comment);
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void
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flac_scan_metadata(const FLAC__StreamMetadata *block,
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TagHandler &handler) noexcept;
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#endif
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