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Diffstat (limited to '')
| -rw-r--r-- | src/decoder/ModplugDecoderPlugin.cxx | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/src/decoder/ModplugDecoderPlugin.cxx b/src/decoder/ModplugDecoderPlugin.cxx deleted file mode 100644 index e75f5479c..000000000 --- a/src/decoder/ModplugDecoderPlugin.cxx +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Copyright (C) 2003-2013 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program 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 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "ModplugDecoderPlugin.hxx" -#include "DecoderAPI.hxx" -#include "InputStream.hxx" -#include "tag/TagHandler.hxx" -#include "system/FatalError.hxx" -#include "util/WritableBuffer.hxx" -#include "util/Domain.hxx" -#include "Log.hxx" - -#include <libmodplug/modplug.h> - - -#include <assert.h> - -static constexpr Domain modplug_domain("modplug"); - -static constexpr size_t MODPLUG_FRAME_SIZE = 4096; -static constexpr size_t MODPLUG_PREALLOC_BLOCK = 256 * 1024; -static constexpr InputStream::offset_type MODPLUG_FILE_LIMIT = 100 * 1024 * 1024; - -static int modplug_loop_count; - -static bool -modplug_decoder_init(const config_param ¶m) -{ - modplug_loop_count = param.GetBlockValue("loop_count", 0); - if (modplug_loop_count < -1) - FormatFatalError("Invalid loop count in line %d: %i", - param.line, modplug_loop_count); - - return true; -} - -static WritableBuffer<uint8_t> -mod_loadfile(Decoder *decoder, InputStream &is) -{ - const InputStream::offset_type size = is.GetSize(); - - if (size == 0) { - LogWarning(modplug_domain, "file is empty"); - return { nullptr, 0 }; - } - - if (size > MODPLUG_FILE_LIMIT) { - LogWarning(modplug_domain, "file too large"); - return { nullptr, 0 }; - } - - //known/unknown size, preallocate array, lets read in chunks - - const bool is_stream = size < 0; - - WritableBuffer<uint8_t> buffer; - buffer.size = is_stream ? MODPLUG_PREALLOC_BLOCK : size; - buffer.data = new uint8_t[buffer.size]; - - uint8_t *const end = buffer.end(); - uint8_t *p = buffer.begin(); - - while (true) { - size_t ret = decoder_read(decoder, is, p, end - p); - if (ret == 0) { - if (is.LockIsEOF()) - /* end of file */ - break; - - /* I/O error - skip this song */ - delete[] buffer.data; - buffer.data = nullptr; - return buffer; - } - - p += ret; - if (p == end) { - if (!is_stream) - break; - - LogWarning(modplug_domain, "stream too large"); - delete[] buffer.data; - buffer.data = nullptr; - return buffer; - } - } - - buffer.size = p - buffer.data; - return buffer; -} - -static ModPlugFile * -LoadModPlugFile(Decoder *decoder, InputStream &is) -{ - const auto buffer = mod_loadfile(decoder, is); - if (buffer.IsNull()) { - LogWarning(modplug_domain, "could not load stream"); - return nullptr; - } - - ModPlugFile *f = ModPlug_Load(buffer.data, buffer.size); - delete[] buffer.data; - return f; -} - -static void -mod_decode(Decoder &decoder, InputStream &is) -{ - ModPlug_Settings settings; - int ret; - char audio_buffer[MODPLUG_FRAME_SIZE]; - - ModPlug_GetSettings(&settings); - /* alter setting */ - settings.mResamplingMode = MODPLUG_RESAMPLE_FIR; /* RESAMP */ - settings.mChannels = 2; - settings.mBits = 16; - settings.mFrequency = 44100; - settings.mLoopCount = modplug_loop_count; - /* insert more setting changes here */ - ModPlug_SetSettings(&settings); - - ModPlugFile *f = LoadModPlugFile(&decoder, is); - if (f == nullptr) { - LogWarning(modplug_domain, "could not decode stream"); - return; - } - - static constexpr AudioFormat audio_format(44100, SampleFormat::S16, 2); - assert(audio_format.IsValid()); - - decoder_initialized(decoder, audio_format, - is.IsSeekable(), - ModPlug_GetLength(f) / 1000.0); - - DecoderCommand cmd; - do { - ret = ModPlug_Read(f, audio_buffer, MODPLUG_FRAME_SIZE); - if (ret <= 0) - break; - - cmd = decoder_data(decoder, nullptr, - audio_buffer, ret, - 0); - - if (cmd == DecoderCommand::SEEK) { - float where = decoder_seek_where(decoder); - - ModPlug_Seek(f, (int)(where * 1000.0)); - - decoder_command_finished(decoder); - } - - } while (cmd != DecoderCommand::STOP); - - ModPlug_Unload(f); -} - -static bool -modplug_scan_stream(InputStream &is, - const struct tag_handler *handler, void *handler_ctx) -{ - ModPlugFile *f = LoadModPlugFile(nullptr, is); - if (f == nullptr) - return false; - - tag_handler_invoke_duration(handler, handler_ctx, - ModPlug_GetLength(f) / 1000); - - const char *title = ModPlug_GetName(f); - if (title != nullptr) - tag_handler_invoke_tag(handler, handler_ctx, - TAG_TITLE, title); - - ModPlug_Unload(f); - - return true; -} - -static const char *const mod_suffixes[] = { - "669", "amf", "ams", "dbm", "dfm", "dsm", "far", "it", - "med", "mdl", "mod", "mtm", "mt2", "okt", "s3m", "stm", - "ult", "umx", "xm", - nullptr -}; - -const struct DecoderPlugin modplug_decoder_plugin = { - "modplug", - modplug_decoder_init, - nullptr, - mod_decode, - nullptr, - nullptr, - modplug_scan_stream, - nullptr, - mod_suffixes, - nullptr, -}; |