97425d56e7
[[maybe_unused]] (introduced in C++17) is standard C++. https://clang.llvm.org/docs/AttributeReference.html#maybe-unused-unused says that this is equivalent to the GNU unused attribute. Signed-off-by: Rosen Penev <rosenp@gmail.com>
147 lines
3.3 KiB
C++
147 lines
3.3 KiB
C++
/*
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* Copyright 2003-2020 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 "DumpDecoderClient.hxx"
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#include "decoder/DecoderAPI.hxx"
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#include "input/InputStream.hxx"
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#include "util/StringBuffer.hxx"
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#include "util/Compiler.h"
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#include <unistd.h>
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#include <stdio.h>
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void
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DumpDecoderClient::Ready(const AudioFormat audio_format,
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bool seekable,
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SignedSongTime duration) noexcept
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{
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assert(!initialized);
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assert(audio_format.IsValid());
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fprintf(stderr, "audio_format=%s duration=%f seekable=%d\n",
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ToString(audio_format).c_str(),
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duration.ToDoubleS(), seekable);
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initialized = true;
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}
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DecoderCommand
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DumpDecoderClient::GetCommand() noexcept
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{
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return DecoderCommand::NONE;
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}
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void
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DumpDecoderClient::CommandFinished() noexcept
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{
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}
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SongTime
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DumpDecoderClient::GetSeekTime() noexcept
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{
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return SongTime();
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}
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uint64_t
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DumpDecoderClient::GetSeekFrame() noexcept
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{
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return 1;
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}
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void
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DumpDecoderClient::SeekError() noexcept
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{
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}
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InputStreamPtr
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DumpDecoderClient::OpenUri(const char *uri)
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{
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return InputStream::OpenReady(uri, mutex);
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}
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size_t
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DumpDecoderClient::Read(InputStream &is, void *buffer, size_t length) noexcept
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{
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try {
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return is.LockRead(buffer, length);
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} catch (...) {
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return 0;
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}
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}
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void
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DumpDecoderClient::SubmitTimestamp([[maybe_unused]] FloatDuration t) noexcept
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{
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}
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DecoderCommand
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DumpDecoderClient::SubmitData([[maybe_unused]] InputStream *is,
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const void *data, size_t datalen,
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[[maybe_unused]] uint16_t kbit_rate) noexcept
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{
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if (kbit_rate != prev_kbit_rate) {
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prev_kbit_rate = kbit_rate;
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fprintf(stderr, "%u kbit/s\n", kbit_rate);
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}
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[[maybe_unused]] ssize_t nbytes = write(STDOUT_FILENO, data, datalen);
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return GetCommand();
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}
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DecoderCommand
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DumpDecoderClient::SubmitTag([[maybe_unused]] InputStream *is,
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Tag &&tag) noexcept
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{
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fprintf(stderr, "TAG: duration=%f\n", tag.duration.ToDoubleS());
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for (const auto &i : tag)
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fprintf(stderr, " %s=%s\n", tag_item_names[i.type], i.value);
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return GetCommand();
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}
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static void
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DumpReplayGainTuple(const char *name, const ReplayGainTuple &tuple) noexcept
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{
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if (tuple.IsDefined())
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fprintf(stderr, "replay_gain[%s]: gain=%f peak=%f\n",
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name, tuple.gain, tuple.peak);
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}
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static void
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DumpReplayGainInfo(const ReplayGainInfo &info) noexcept
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{
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DumpReplayGainTuple("album", info.album);
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DumpReplayGainTuple("track", info.track);
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}
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void
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DumpDecoderClient::SubmitReplayGain(const ReplayGainInfo *rgi) noexcept
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{
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if (rgi != nullptr)
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DumpReplayGainInfo(*rgi);
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}
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void
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DumpDecoderClient::SubmitMixRamp([[maybe_unused]] MixRampInfo &&mix_ramp) noexcept
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{
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fprintf(stderr, "MixRamp: start='%s' end='%s'\n",
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mix_ramp.GetStart(), mix_ramp.GetEnd());
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}
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