mirror of
https://github.com/ZDoom/ZMusic.git
synced 2024-11-27 14:12:09 +00:00
1220 lines
31 KiB
C++
1220 lines
31 KiB
C++
/*
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** music_dumb.cpp
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** Alternative module player, using a modified DUMB for decoding.
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** Based on the Foobar2000 component foo_dumb, version 0.9.8.4.
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**
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**---------------------------------------------------------------------------
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** Copyright 2008 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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// HEADER FILES ------------------------------------------------------------
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#include <math.h>
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#include <mutex>
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#include <string>
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#include <stdint.h>
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#include "streamsource.h"
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#undef CDECL // w32api's windef.h defines this
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#include "../dumb/include/dumb.h"
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#include "../dumb/include/internal/it.h"
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#include "zmusic/m_swap.h"
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#include "zmusic/mididefs.h"
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#include "zmusic/midiconfig.h"
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#include "fileio.h"
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// MACROS ------------------------------------------------------------------
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// TYPES -------------------------------------------------------------------
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DumbConfig dumbConfig;
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class DumbSong : public StreamSource
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{
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public:
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DumbSong(DUH *myduh, int samplerate);
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~DumbSong();
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//bool SetPosition(int ms);
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bool SetSubsong(int subsong) override;
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bool Start() override;
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SoundStreamInfo GetFormat() override;
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void ChangeSettingNum(const char* setting, double val) override;
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std::string GetStats() override;
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std::string Codec;
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std::string TrackerVersion;
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std::string FormatVersion;
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int NumChannels;
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int NumPatterns;
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int NumOrders;
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float MasterVolume;
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protected:
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int srate, interp, volramp;
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int start_order;
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double delta;
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double length;
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bool eof;
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bool started = false;
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size_t written;
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DUH *duh;
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DUH_SIGRENDERER *sr;
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bool open2(long pos);
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long render(double volume, double delta, long samples, sample_t **buffer);
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int decode_run(void *buffer, unsigned int size);
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bool GetData(void *buffer, size_t len) override;
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};
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#pragma pack(1)
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#if defined(__GNUC__)
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#define FORCE_PACKED __attribute__((__packed__))
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#else
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#define FORCE_PACKED
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#endif
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typedef struct tagITFILEHEADER
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{
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uint32_t id; // 0x4D504D49
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char songname[26];
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uint16_t reserved1; // 0x1004
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uint16_t ordnum;
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uint16_t insnum;
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uint16_t smpnum;
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uint16_t patnum;
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uint16_t cwtv;
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uint16_t cmwt;
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uint16_t flags;
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uint16_t special;
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uint8_t globalvol;
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uint8_t mv;
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uint8_t speed;
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uint8_t tempo;
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uint8_t sep;
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uint8_t zero;
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uint16_t msglength;
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uint32_t msgoffset;
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uint32_t reserved2;
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uint8_t chnpan[64];
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uint8_t chnvol[64];
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} FORCE_PACKED ITFILEHEADER, *PITFILEHEADER;
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typedef struct MODMIDICFG
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{
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char szMidiGlb[9*32]; // changed from CHAR
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char szMidiSFXExt[16*32]; // changed from CHAR
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char szMidiZXXExt[128*32]; // changed from CHAR
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} FORCE_PACKED MODMIDICFG, *LPMODMIDICFG;
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#pragma pack()
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// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
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// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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// EXTERNAL DATA DECLARATIONS ----------------------------------------------
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// PUBLIC DATA DEFINITIONS -------------------------------------------------
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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// CODE --------------------------------------------------------------------
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//==========================================================================
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//
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// ReadDUH
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//
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// Reads metadata from a generic module.
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//
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//==========================================================================
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static void ReadDUH(DUH * duh, DumbSong *info, bool meta, bool dos)
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{
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if (!duh) return;
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DUMB_IT_SIGDATA * itsd = duh_get_it_sigdata(duh);
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if (!itsd) return;
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info->NumChannels = itsd->n_pchannels;
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info->NumPatterns = itsd->n_patterns;
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info->NumOrders = itsd->n_orders;
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if (meta)
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{
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if (itsd->name[0])
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{
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//if (dos) info.meta_add(field_title, string_utf8_from_oem((char*)&itsd->name, sizeof(itsd->name)));
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//else info.meta_add(field_title, pfc::stringcvt::string_utf8_from_ansi((char *)&itsd->name, sizeof(itsd->name)));
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}
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if (itsd->song_message && *itsd->song_message)
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{
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//if (dos) info.meta_add(field_comment, string_utf8_from_oem_multiline((char*)itsd->song_message));
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//else info.meta_add(field_comment, pfc::stringcvt::string_utf8_from_ansi((char *)itsd->song_message));
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}
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}
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// std::string does not like nullptr assignments. Was this really necessary? :(
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auto a = duh_get_tag(duh, "FORMAT");
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if (a) info->Codec = a;
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a = duh_get_tag(duh, "TRACKERVERSION");
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if (a) info->TrackerVersion = a;
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a = duh_get_tag(duh, "FORMATVERSION");
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if (a) info->FormatVersion = a;
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#if 0
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std::string name;
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if (itsd->n_samples)
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{
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int i, n;
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//info.info_set_int(field_samples, itsd->n_samples);
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if (meta && itsd->sample)
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{
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for (i = 0, n = itsd->n_samples; i < n; i++)
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{
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if (itsd->sample[i].name[0])
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{
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name = "smpl";
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if (i < 10) name += '0';
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name += '0' + i;
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//if (dos) info.meta_add(name, string_utf8_from_oem((char*)&itsd->sample[i].name, sizeof(itsd->sample[i].name)));
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//else info.meta_add(name, pfc::stringcvt::string_utf8_from_ansi((char *)&itsd->sample[i].name, sizeof(itsd->sample[i].name)));
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}
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}
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}
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}
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if (itsd->n_instruments)
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{
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//info.info_set_int(field_instruments, itsd->n_instruments);
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if (meta && itsd->instrument)
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{
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for (i = 0, n = itsd->n_instruments; i < n; i++)
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{
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if (itsd->instrument[i].name[0])
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{
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name = "inst";
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if (i < 10) name += '0';
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name += '0' + i;
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//if (dos) info.meta_add(name, string_utf8_from_oem((char*)&itsd->instrument[i].name, sizeof(itsd->instrument[i].name)));
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//else info.meta_add(name, pfc::stringcvt::string_utf8_from_ansi((char *)&itsd->instrument[i].name, sizeof(itsd->instrument[i].name)));
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}
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}
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}
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}
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#endif
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}
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//==========================================================================
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//
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// ReadIT
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//
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// Reads metadata from an IT file.
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//
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//==========================================================================
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static bool ReadIT(const uint8_t * ptr, unsigned size, DumbSong *info, bool meta)
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{
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PITFILEHEADER pifh = (PITFILEHEADER) ptr;
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if ((!ptr) || (size < 0x100)) return false;
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if ((LittleLong(pifh->id) != 0x4D504D49) ||
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(LittleShort(pifh->insnum) >= 256) ||
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(!pifh->smpnum) || (LittleShort(pifh->smpnum) > 4000) || // XXX
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(!pifh->ordnum)) return false;
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if (sizeof(ITFILEHEADER) + LittleShort(pifh->ordnum) +
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LittleShort(pifh->insnum)*4 +
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LittleShort(pifh->smpnum)*4 +
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LittleShort(pifh->patnum)*4 > size) return false;
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char ver[40];
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snprintf(ver, 40, "IT v%u.%02x", LittleShort(pifh->cmwt) >> 8, LittleShort(pifh->cmwt) & 255);
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info->Codec = ver;
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snprintf(ver, 40, "%u.%02x", LittleShort(pifh->cwtv) >> 8, LittleShort(pifh->cwtv) & 255);
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info->TrackerVersion = ver;
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//if ( pifh->smpnum ) info.info_set_int( field_samples, LittleShort(pifh->smpnum) );
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//if ( pifh->insnum ) info.info_set_int( field_instruments, LittleShort(pifh->insnum) );
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//if ( meta && pifh->songname[0] ) info.meta_add( field_title, string_utf8_from_it( (char*)&pifh->songname, 26 ) );
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unsigned n, l, m_nChannels = 0;
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// bah, some file (jm-romance.it) with message length rounded up to a multiple of 256 (384 instead of 300)
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unsigned msgoffset = LittleLong(pifh->msgoffset);
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unsigned msgend = msgoffset + LittleShort(pifh->msglength);
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uint32_t * offset;
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// std::string name;
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if (meta)
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{
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offset = (uint32_t *)(ptr + 0xC0 + LittleShort(pifh->ordnum) + LittleShort(pifh->insnum) * 4);
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for (n = 0, l = LittleShort(pifh->smpnum); n < l; n++, offset++)
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{
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uint32_t offset_n = LittleLong( *offset );
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if ( offset_n >= msgoffset && offset_n < msgend ) msgend = offset_n;
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if ((!offset_n) || (offset_n + 0x14 + 26 + 2 >= size)) continue;
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// XXX
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if (ptr[offset_n] == 0 && ptr[offset_n + 1] == 0 &&
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ptr[offset_n + 2] == 'I' && ptr[offset_n + 3] == 'M' &&
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ptr[offset_n + 4] == 'P' && ptr[offset_n + 5] == 'S')
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{
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offset_n += 2;
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}
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#if 0
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if (*(ptr + offset_n + 0x14))
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{
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name = "smpl";
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if (n < 10) name << '0';
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name << ('0' + n);
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//info.meta_add(name, string_utf8_from_it((const char *) ptr + offset_n + 0x14, 26));
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}
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#endif
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}
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offset = (uint32_t *)(ptr + 0xC0 + LittleShort(pifh->ordnum));
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for (n = 0, l = LittleShort(pifh->insnum); n < l; n++, offset++)
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{
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uint32_t offset_n = LittleLong( *offset );
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if ( offset_n >= msgoffset && offset_n < msgend ) msgend = offset_n;
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if ((!offset_n) || (offset_n + 0x20 + 26 >= size)) continue;
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#if 0
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if (*(ptr + offset_n + 0x20))
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{
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name = "inst";
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if (n < 10) name << '0';
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name << ('0' + n);
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//info.meta_add(name, string_utf8_from_it((const char *) ptr + offset_n + 0x20, 26));
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}
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#endif
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}
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}
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unsigned pos = 0xC0 + LittleShort(pifh->ordnum) + LittleShort(pifh->insnum) * 4 + LittleShort(pifh->smpnum) * 4 + LittleShort(pifh->patnum) * 4;
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if (pos < size)
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{
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uint16_t val16 = LittleShort( *(uint16_t *)(ptr + pos) );
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pos += 2;
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if (pos + val16 * 8 < size) pos += val16 * 8;
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}
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if (LittleShort(pifh->flags) & 0x80)
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{
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if (pos + sizeof(MODMIDICFG) < size)
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{
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pos += sizeof(MODMIDICFG);
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}
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}
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if ((pos + 8 < size) && (*(uint32_t *)(ptr + pos) == MAKE_ID('P','N','A','M')))
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{
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unsigned len = LittleLong(*(uint32_t *)(ptr + pos + 4));
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pos += 8;
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if ((pos + len <= size) && (len <= 240 * 32) && (len >= 32))
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{
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if (meta)
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{
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l = len / 32;
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for (n = 0; n < l; n++)
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{
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#if 0
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if (*(ptr + pos + n * 32))
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{
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name = "patt";
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if (n < 10) name << '0';
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name << ('0' + n);
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//info.meta_add(name, string_utf8_from_it((const char *) ptr + pos + n * 32, 32));
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}
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#endif
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}
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}
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pos += len;
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}
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}
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if ((pos + 8 < size) && (*(uint32_t *)(ptr + pos) == MAKE_ID('C','N','A','M')))
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{
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unsigned len = LittleLong(*(uint32_t *)(ptr + pos + 4));
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pos += 8;
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if ((pos + len <= size) && (len <= 64 * 20) && (len >= 20))
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{
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l = len / 20;
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m_nChannels = l;
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if (meta)
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{
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for (n = 0; n < l; n++)
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{
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#if 0
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if (*(ptr + pos + n * 20))
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{
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name = "chan";
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if (n < 10) name << '0';
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name << ('0' + n);
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//info.meta_add(name, string_utf8_from_it((const char *) ptr + pos + n * 20, 20));
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}
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#endif
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}
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}
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pos += len;
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}
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}
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offset = (uint32_t *)(ptr + 0xC0 + LittleShort(pifh->ordnum) + LittleShort(pifh->insnum) * 4 + LittleShort(pifh->smpnum) * 4);
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uint8_t chnmask[64];
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for (n = 0, l = LittleShort(pifh->patnum); n < l; n++)
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{
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memset(chnmask, 0, sizeof(chnmask));
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uint32_t offset_n = LittleLong( offset[n] );
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if ((!offset_n) || (offset_n + 4 >= size)) continue;
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unsigned len = LittleShort(*(uint16_t *)(ptr + offset_n));
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unsigned rows = LittleShort(*(uint16_t *)(ptr + offset_n + 2));
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if ((rows < 4) || (rows > 256)) continue;
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if (offset_n + 8 + len > size) continue;
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unsigned i = 0;
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const uint8_t * p = ptr + offset_n + 8;
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unsigned nrow = 0;
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while (nrow < rows)
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{
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if (i >= len) break;
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uint8_t b = p[i++];
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if (!b)
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{
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nrow++;
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continue;
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}
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unsigned ch = b & 0x7F;
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if (ch) ch = (ch - 1) & 0x3F;
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if (b & 0x80)
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{
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if (i >= len) break;
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chnmask[ch] = p[i++];
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}
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// Channel used
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if (chnmask[ch] & 0x0F)
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{
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if ((ch >= m_nChannels) && (ch < 64)) m_nChannels = ch+1;
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}
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// Note
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if (chnmask[ch] & 1) i++;
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// Instrument
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if (chnmask[ch] & 2) i++;
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// Volume
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if (chnmask[ch] & 4) i++;
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// Effect
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if (chnmask[ch] & 8) i += 2;
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if (i >= len) break;
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}
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}
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if ( meta && ( LittleShort(pifh->special) & 1 ) && ( msgend - msgoffset ) && ( msgend < size ) )
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{
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const char * str = (const char *) ptr + msgoffset;
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std::string msg(str);
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//info.meta_add( field_comment, string_utf8_from_it_multiline( msg ) );
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}
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info->NumChannels = m_nChannels;
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info->NumPatterns = LittleShort(pifh->patnum);
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info->NumOrders = LittleShort(pifh->ordnum);
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return true;
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}
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//==========================================================================
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//
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// DUMB memory file system
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//
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//==========================================================================
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typedef struct tdumbfile_mem_status
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{
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const uint8_t *ptr;
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unsigned int offset, size;
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} dumbfile_mem_status;
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static int DUMBCALLBACK dumbfile_mem_skip(void *f, long n)
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{
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dumbfile_mem_status * s = (dumbfile_mem_status *) f;
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s->offset += n;
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if (s->offset > s->size)
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{
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s->offset = s->size;
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return 1;
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}
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return 0;
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}
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static int DUMBCALLBACK dumbfile_mem_getc(void *f)
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{
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dumbfile_mem_status * s = (dumbfile_mem_status *) f;
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if (s->offset < s->size)
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{
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return *(s->ptr + s->offset++);
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}
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return -1;
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}
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|
|
static int32 DUMBCALLBACK dumbfile_mem_getnc(char *ptr, int32 n, void *f)
|
|
{
|
|
dumbfile_mem_status * s = (dumbfile_mem_status *) f;
|
|
long max = s->size - s->offset;
|
|
if (max > n) max = n;
|
|
if (max)
|
|
{
|
|
memcpy(ptr, s->ptr + s->offset, max);
|
|
s->offset += max;
|
|
}
|
|
return max;
|
|
}
|
|
|
|
static int DUMBCALLBACK dumbfile_mem_seek(void *f, long n)
|
|
{
|
|
dumbfile_mem_status * s = (dumbfile_mem_status *) f;
|
|
s->offset = n;
|
|
if (s->offset > s->size)
|
|
{
|
|
s->offset = s->size;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static long DUMBCALLBACK dumbfile_mem_get_size(void *f)
|
|
{
|
|
dumbfile_mem_status * s = (dumbfile_mem_status *) f;
|
|
return s->size;
|
|
}
|
|
|
|
static DUMBFILE_SYSTEM mem_dfs = {
|
|
NULL, // open
|
|
&dumbfile_mem_skip,
|
|
&dumbfile_mem_getc,
|
|
&dumbfile_mem_getnc,
|
|
NULL, // close
|
|
&dumbfile_mem_seek,
|
|
&dumbfile_mem_get_size
|
|
};
|
|
|
|
//==========================================================================
|
|
//
|
|
// dumb_read_allfile
|
|
//
|
|
//==========================================================================
|
|
|
|
DUMBFILE *dumb_read_allfile(dumbfile_mem_status *filestate, uint8_t *start, MusicIO::FileInterface *reader, int lenhave, int lenfull)
|
|
{
|
|
filestate->size = lenfull;
|
|
filestate->offset = 0;
|
|
if (lenhave >= lenfull)
|
|
filestate->ptr = (uint8_t *)start;
|
|
else
|
|
{
|
|
uint8_t *mem = new uint8_t[lenfull];
|
|
memcpy(mem, start, lenhave);
|
|
if (reader->read(mem + lenhave, lenfull - lenhave) != (lenfull - lenhave))
|
|
{
|
|
delete[] mem;
|
|
return NULL;
|
|
}
|
|
filestate->ptr = mem;
|
|
}
|
|
return dumbfile_open_ex(filestate, &mem_dfs);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// MOD_SetAutoChip
|
|
//
|
|
// Disables interpolation for short samples that meet criteria set by
|
|
// the cvars referenced at the top of this function.
|
|
//
|
|
//==========================================================================
|
|
|
|
static void MOD_SetAutoChip(DUH *duh)
|
|
{
|
|
int size_force = dumbConfig.mod_autochip_size_force;
|
|
int size_scan = dumbConfig.mod_autochip_size_scan;
|
|
int scan_threshold_8 = ((dumbConfig.mod_autochip_scan_threshold * 0x100) + 50) / 100;
|
|
int scan_threshold_16 = ((dumbConfig.mod_autochip_scan_threshold * 0x10000) + 50) / 100;
|
|
DUMB_IT_SIGDATA * itsd = duh_get_it_sigdata(duh);
|
|
|
|
if (itsd)
|
|
{
|
|
for (int i = 0, j = itsd->n_samples; i < j; i++)
|
|
{
|
|
IT_SAMPLE * sample = &itsd->sample[i];
|
|
if (sample->flags & IT_SAMPLE_EXISTS)
|
|
{
|
|
int channels = sample->flags & IT_SAMPLE_STEREO ? 2 : 1;
|
|
if (sample->length < size_force) sample->max_resampling_quality = 0;
|
|
else if (sample->length < size_scan)
|
|
{
|
|
if ((sample->flags & (IT_SAMPLE_LOOP|IT_SAMPLE_PINGPONG_LOOP)) == IT_SAMPLE_LOOP)
|
|
{
|
|
int loop_start = sample->loop_start * channels;
|
|
int loop_end = sample->loop_end * channels;
|
|
int s1, s2;
|
|
if (sample->flags & IT_SAMPLE_16BIT)
|
|
{
|
|
s1 = ((signed short *)sample->data)[loop_start];
|
|
s2 = ((signed short *)sample->data)[loop_end - channels];
|
|
if (abs(s1 - s2) > scan_threshold_16)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
if (channels == 2)
|
|
{
|
|
s1 = ((signed short *)sample->data)[loop_start + 1];
|
|
s2 = ((signed short *)sample->data)[loop_end - 1];
|
|
if (abs(s1 - s2) > scan_threshold_16)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
s1 = ((signed char *)sample->data)[loop_start];
|
|
s2 = ((signed char *)sample->data)[loop_end - channels];
|
|
if (abs(s1 - s2) > scan_threshold_8)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
if (channels == 2)
|
|
{
|
|
s1 = ((signed char *)sample->data)[loop_start + 1];
|
|
s2 = ((signed char *)sample->data)[loop_end - 1];
|
|
if (abs(s1 - s2) > scan_threshold_8)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if ((sample->flags & (IT_SAMPLE_SUS_LOOP|IT_SAMPLE_PINGPONG_SUS_LOOP)) == IT_SAMPLE_SUS_LOOP)
|
|
{
|
|
int sus_loop_start = sample->sus_loop_start * channels;
|
|
int sus_loop_end = sample->sus_loop_end * channels;
|
|
int s1, s2;
|
|
if (sample->flags & IT_SAMPLE_16BIT)
|
|
{
|
|
s1 = ((signed short *)sample->data)[sus_loop_start];
|
|
s2 = ((signed short *)sample->data)[sus_loop_end - channels];
|
|
if (abs(s1 - s2) > scan_threshold_16)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
if (channels == 2)
|
|
{
|
|
s1 = ((signed short *)sample->data)[sus_loop_start + 1];
|
|
s2 = ((signed short *)sample->data)[sus_loop_end - 1];
|
|
if (abs(s1 - s2) > scan_threshold_16)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
s1 = ((signed char *)sample->data)[sus_loop_start];
|
|
s2 = ((signed char *)sample->data)[sus_loop_end - channels];
|
|
if (abs(s1 - s2) > scan_threshold_8)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
if (channels == 2)
|
|
{
|
|
s1 = ((signed char *)sample->data)[sus_loop_start + 1];
|
|
s2 = ((signed char *)sample->data)[sus_loop_end - 1];
|
|
if (abs(s1 - s2) > scan_threshold_8)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int k, l = sample->length * channels;
|
|
if (sample->flags & IT_SAMPLE_LOOP) l = sample->loop_end * channels;
|
|
if (sample->flags & IT_SAMPLE_16BIT)
|
|
{
|
|
for (k = channels; k < l; k += channels)
|
|
{
|
|
if (abs(((signed short *)sample->data)[k - channels] - ((signed short *)sample->data)[k]) > scan_threshold_16)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (k < l)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
if (channels == 2)
|
|
{
|
|
for (k = 2 + 1; k < l; k += 2)
|
|
{
|
|
if (abs(((signed short *)sample->data)[k - 2] - ((signed short *)sample->data)[k]) > scan_threshold_16)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (k < l)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (k = channels; k < l; k += channels)
|
|
{
|
|
if (abs(((signed char *)sample->data)[k - channels] - ((signed char *)sample->data)[k]) > scan_threshold_8)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (k < l)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
if (channels == 2)
|
|
{
|
|
for (k = 2 + 1; k < l; k += 2)
|
|
{
|
|
if (abs(((signed char *)sample->data)[k - 2] - ((signed char *)sample->data)[k]) > scan_threshold_8)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (k < l)
|
|
{
|
|
sample->max_resampling_quality = 0;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// MOD_OpenSong
|
|
//
|
|
//==========================================================================
|
|
|
|
StreamSource* MOD_OpenSong(MusicIO::FileInterface *reader, int samplerate)
|
|
{
|
|
DUH *duh = 0;
|
|
int headsize;
|
|
union
|
|
{
|
|
uint8_t start[64];
|
|
uint32_t dstart[64/4];
|
|
};
|
|
dumbfile_mem_status filestate;
|
|
DUMBFILE *f = NULL;
|
|
DumbSong *state = NULL;
|
|
|
|
bool is_it = false;
|
|
bool is_dos = true;
|
|
|
|
auto fpos = reader->tell();
|
|
int size = (int)reader->filelength();
|
|
|
|
filestate.ptr = start;
|
|
filestate.offset = 0;
|
|
headsize = MIN((int)sizeof(start), size);
|
|
|
|
if (headsize != reader->read(start, headsize))
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
if (size >= 4 && dstart[0] == MAKE_ID('I','M','P','M'))
|
|
{
|
|
is_it = true;
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_it_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 17 && !memcmp(start, "Extended Module: ", 17))
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_xm_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 0x30 && dstart[11] == MAKE_ID('S','C','R','M'))
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_s3m_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 1168 &&
|
|
/*start[28] == 0x1A &&*/ start[29] == 2 &&
|
|
( !memcmp( &start[20], "!Scream!", 8 ) ||
|
|
!memcmp( &start[20], "BMOD2STM", 8 ) ||
|
|
!memcmp( &start[20], "WUZAMOD!", 8 ) ) )
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_stm_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 2 &&
|
|
((start[0] == 0x69 && start[1] == 0x66) ||
|
|
(start[0] == 0x4A && start[1] == 0x4E)))
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_669_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 0x30 && dstart[11] == MAKE_ID('P','T','M','F'))
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_ptm_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 4 && dstart[0] == MAKE_ID('P','S','M',' '))
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_psm_quick(f, 0/*start_order*/);
|
|
/*start_order = 0;*/
|
|
}
|
|
}
|
|
else if (size >= 4 && dstart[0] == (uint32_t)MAKE_ID('P','S','M',254))
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_old_psm_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 3 && start[0] == 'M' && start[1] == 'T' && start[2] == 'M')
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_mtm_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 12 && dstart[0] == MAKE_ID('R','I','F','F') &&
|
|
(dstart[2] == MAKE_ID('D','S','M','F') ||
|
|
dstart[2] == MAKE_ID('A','M',' ',' ') ||
|
|
dstart[2] == MAKE_ID('A','M','F','F')))
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_riff_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 32 &&
|
|
!memcmp( start, "ASYLUM Music Format", 19 ) &&
|
|
!memcmp( start + 19, " V1.0", 5 ) )
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_asy_quick(f);
|
|
}
|
|
}
|
|
else if (size >= 8 &&
|
|
dstart[0] == MAKE_ID('O','K','T','A') &&
|
|
dstart[1] == MAKE_ID('S','O','N','G'))
|
|
{
|
|
if ((f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
duh = dumb_read_okt_quick(f);
|
|
}
|
|
}
|
|
|
|
if ( ! duh )
|
|
{
|
|
is_dos = false;
|
|
if (filestate.ptr == (uint8_t *)start)
|
|
{
|
|
if (!(f = dumb_read_allfile(&filestate, start, reader, headsize, size)))
|
|
{
|
|
reader->seek(fpos, SEEK_SET);
|
|
return NULL;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
filestate.offset = 0;
|
|
}
|
|
// No way to get the filename, so we can't check for a .mod extension, and
|
|
// therefore, trying to load an old 15-instrument SoundTracker module is not
|
|
// safe. We'll restrict MOD loading to 31-instrument modules with known
|
|
// signatures and let the sound system worry about 15-instrument ones.
|
|
// (Assuming it even supports them)
|
|
duh = dumb_read_mod_quick(f, true);
|
|
}
|
|
|
|
if (f != NULL)
|
|
{
|
|
dumbfile_close(f);
|
|
}
|
|
if ( duh )
|
|
{
|
|
if (dumbConfig.mod_autochip)
|
|
{
|
|
MOD_SetAutoChip(duh);
|
|
}
|
|
state = new DumbSong(duh, samplerate);
|
|
|
|
if (is_it) ReadIT(filestate.ptr, size, state, false);
|
|
else ReadDUH(duh, state, false, is_dos);
|
|
}
|
|
else
|
|
{
|
|
// Reposition file pointer for other codecs to do their checks.
|
|
reader->seek(fpos, SEEK_SET);
|
|
}
|
|
if (filestate.ptr != (uint8_t *)start)
|
|
{
|
|
delete[] const_cast<uint8_t *>(filestate.ptr);
|
|
}
|
|
return state;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong :: read static
|
|
//
|
|
//==========================================================================
|
|
|
|
bool DumbSong::GetData(void *buffer, size_t sizebytes)
|
|
{
|
|
if (eof)
|
|
{
|
|
memset(buffer, 0, sizebytes);
|
|
return false;
|
|
}
|
|
|
|
while (sizebytes > 0)
|
|
{
|
|
int written = decode_run(buffer, (unsigned)sizebytes / 8);
|
|
if (written < 0)
|
|
{
|
|
return false;
|
|
}
|
|
if (written == 0)
|
|
{
|
|
memset(buffer, 0, sizebytes);
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
// Convert to float
|
|
for (int i = 0; i < written * 2; ++i)
|
|
{
|
|
((float *)buffer)[i] = (((int *)buffer)[i] / (float)(1 << 24)) * MasterVolume;
|
|
}
|
|
}
|
|
buffer = (uint8_t *)buffer + written * 8;
|
|
sizebytes -= written * 8;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// ChangeSetting
|
|
//
|
|
//==========================================================================
|
|
|
|
void DumbSong::ChangeSettingNum(const char* setting, double val)
|
|
{
|
|
if (!stricmp(setting, "dumb.mastervolume"))
|
|
MasterVolume = (float)val;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong constructor
|
|
//
|
|
//==========================================================================
|
|
|
|
DumbSong::DumbSong(DUH* myduh, int samplerate)
|
|
{
|
|
duh = myduh;
|
|
sr = NULL;
|
|
eof = false;
|
|
interp = dumbConfig.mod_interp;
|
|
volramp = dumbConfig.mod_volramp;
|
|
written = 0;
|
|
length = 0;
|
|
start_order = 0;
|
|
MasterVolume = (float)dumbConfig.mod_dumb_mastervolume;
|
|
if (dumbConfig.mod_samplerate != 0)
|
|
{
|
|
srate = dumbConfig.mod_samplerate;
|
|
}
|
|
else
|
|
{
|
|
srate = samplerate;
|
|
}
|
|
delta = 65536.0 / srate;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong destructor
|
|
//
|
|
//==========================================================================
|
|
|
|
DumbSong::~DumbSong()
|
|
{
|
|
if (sr) duh_end_sigrenderer(sr);
|
|
if (duh) unload_duh(duh);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong GetFormat
|
|
//
|
|
//==========================================================================
|
|
|
|
SoundStreamInfo DumbSong::GetFormat()
|
|
{
|
|
return { 32*1024, srate, 2 };
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong :: Play
|
|
//
|
|
//==========================================================================
|
|
|
|
bool DumbSong::Start()
|
|
{
|
|
started = open2(0);
|
|
return started;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong :: SetSubsong
|
|
//
|
|
//==========================================================================
|
|
|
|
bool DumbSong::SetSubsong(int order)
|
|
{
|
|
if (order == start_order)
|
|
{
|
|
return true;
|
|
}
|
|
if (!started)
|
|
{
|
|
start_order = order;
|
|
return true;
|
|
}
|
|
DUH_SIGRENDERER *oldsr = sr;
|
|
sr = NULL;
|
|
start_order = order;
|
|
if (!open2(0))
|
|
{
|
|
sr = oldsr;
|
|
return false;
|
|
}
|
|
duh_end_sigrenderer(oldsr);
|
|
return true;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong :: open2
|
|
//
|
|
//==========================================================================
|
|
|
|
bool DumbSong::open2(long pos)
|
|
{
|
|
if (start_order != 0)
|
|
{
|
|
sr = dumb_it_start_at_order(duh, 2, start_order);
|
|
if (sr && pos) duh_sigrenderer_generate_samples(sr, 0, 1, pos, 0);
|
|
}
|
|
else
|
|
{
|
|
sr = duh_start_sigrenderer(duh, 0, 2, pos);
|
|
}
|
|
if (!sr)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
DUMB_IT_SIGRENDERER *itsr = duh_get_it_sigrenderer(sr);
|
|
dumb_it_set_resampling_quality(itsr, interp);
|
|
dumb_it_set_ramp_style(itsr, volramp);
|
|
if (!m_Looping)
|
|
{
|
|
dumb_it_set_loop_callback(itsr, &dumb_it_callback_terminate, NULL);
|
|
}
|
|
dumb_it_set_xm_speed_zero_callback(itsr, &dumb_it_callback_terminate, NULL);
|
|
dumb_it_set_global_volume_zero_callback(itsr, &dumb_it_callback_terminate, NULL);
|
|
return true;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong :: render
|
|
//
|
|
//==========================================================================
|
|
|
|
long DumbSong::render(double volume, double delta, long samples, sample_t **buffer)
|
|
{
|
|
long written = duh_sigrenderer_generate_samples(sr, volume, delta, samples, buffer);
|
|
|
|
if (written < samples)
|
|
{
|
|
if (!m_Looping)
|
|
{
|
|
eof = true;
|
|
}
|
|
else
|
|
{
|
|
duh_end_sigrenderer(sr);
|
|
sr = NULL;
|
|
if (!open2(0))
|
|
{
|
|
eof = true;
|
|
}
|
|
}
|
|
}
|
|
return written;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong :: decode_run
|
|
//
|
|
// Given a buffer of 32-bit PCM stereo pairs and a size specified in
|
|
// samples, returns the number of samples written to the buffer.
|
|
//
|
|
//==========================================================================
|
|
|
|
int DumbSong::decode_run(void *buffer, unsigned int size)
|
|
{
|
|
if (eof) return 0;
|
|
|
|
DUMB_IT_SIGRENDERER *itsr = duh_get_it_sigrenderer(sr);
|
|
if (itsr == nullptr) return 0;
|
|
int dt = int(delta * 65536.0 + 0.5);
|
|
long samples = long((((LONG_LONG)itsr->time_left << 16) | itsr->sub_time_left) / dt);
|
|
if (samples == 0 || samples > (long)size) samples = size;
|
|
sample_t **buf = (sample_t **)&buffer;
|
|
int written = 0;
|
|
|
|
retry:
|
|
dumb_silence(buf[0], size * 2);
|
|
written = render(1, delta, samples, buf);
|
|
|
|
if (eof) return false;
|
|
else if (written == 0) goto retry;
|
|
else if (written == -1) return -1;
|
|
|
|
return written;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// DumbSong :: GetStats
|
|
//
|
|
//==========================================================================
|
|
|
|
std::string DumbSong::GetStats()
|
|
{
|
|
//return StreamSong::GetStats();
|
|
DUMB_IT_SIGRENDERER *itsr = duh_get_it_sigrenderer(sr);
|
|
DUMB_IT_SIGDATA *itsd = duh_get_it_sigdata(duh);
|
|
|
|
int channels = 0;
|
|
for (int i = 0; i < DUMB_IT_N_CHANNELS; i++)
|
|
{
|
|
IT_PLAYING * playing = itsr->channel[i].playing;
|
|
if (playing && !(playing->flags & IT_PLAYING_DEAD)) channels++;
|
|
}
|
|
for (int i = 0; i < DUMB_IT_N_NNA_CHANNELS; i++)
|
|
{
|
|
if (itsr->playing[i]) channels++;
|
|
}
|
|
|
|
if (itsr == NULL || itsd == NULL)
|
|
{
|
|
return "Problem getting stats";
|
|
}
|
|
else
|
|
{
|
|
char out[120];
|
|
snprintf(out, 120, "%s, Order:%3d/%d Patt:%2d/%d Row:%2d/%2d Chan:%2d/%2d Speed:%2d Tempo:%3d",
|
|
Codec.c_str(),
|
|
itsr->order, NumOrders,
|
|
(itsd->order && itsr->order < itsd->n_orders ? itsd->order[itsr->order] : 0), NumPatterns,
|
|
itsr->row, itsr->n_rows,
|
|
channels, NumChannels,
|
|
itsr->speed,
|
|
itsr->tempo
|
|
);
|
|
return out;
|
|
}
|
|
}
|
|
|