#include #include "meta.h" #include "../coding/coding.h" #include "../layout/layout.h" #include "../util.h" #include "riff_ogg_streamfile.h" /* RIFF - Resource Interchange File Format, standard container used in many games */ /* return milliseconds */ static long parse_adtl_marker(unsigned char * marker) { long hh,mm,ss,ms; if (memcmp("Marker ",marker,7)) return -1; if (4 != sscanf((char*)marker+7,"%ld:%ld:%ld.%ld",&hh,&mm,&ss,&ms)) return -1; return ((hh*60+mm)*60+ss)*1000+ms; } /* loop points have been found hiding here */ static void parse_adtl(off_t adtl_offset, off_t adtl_length, STREAMFILE *streamFile, long *loop_start, long *loop_end, int *loop_flag) { int loop_start_found = 0; int loop_end_found = 0; off_t current_chunk = adtl_offset+0x04; while (current_chunk < adtl_offset + adtl_length) { uint32_t chunk_type = read_32bitBE(current_chunk+0x00,streamFile); off_t chunk_size = read_32bitLE(current_chunk+0x04,streamFile); if (current_chunk+0x08+chunk_size > adtl_offset+adtl_length) return; switch(chunk_type) { case 0x6c61626c: { /* "labl" */ unsigned char *labelcontent = malloc(chunk_size-0x04); if (!labelcontent) return; if (read_streamfile(labelcontent,current_chunk+0x0c, chunk_size-0x04,streamFile) != chunk_size-0x04) { free(labelcontent); return; } switch (read_32bitLE(current_chunk+8,streamFile)) { case 1: if (!loop_start_found && (*loop_start = parse_adtl_marker(labelcontent)) >= 0) loop_start_found = 1; break; case 2: if (!loop_end_found && (*loop_end = parse_adtl_marker(labelcontent)) >= 0) loop_end_found = 1; break; default: break; } free(labelcontent); break; } default: break; } current_chunk += 8 + chunk_size; } if (loop_start_found && loop_end_found) *loop_flag = 1; /* labels don't seem to be consistently ordered */ if (*loop_start > *loop_end) { long temp = *loop_start; *loop_start = *loop_end; *loop_end = temp; } } typedef struct { off_t offset; off_t size; uint32_t codec; int sample_rate; int channel_count; uint32_t block_size; int bps; off_t extra_size; uint32_t channel_layout; int coding_type; int interleave; int is_at3; int is_at3p; int is_at9; } riff_fmt_chunk; static int read_fmt(int big_endian, STREAMFILE * streamFile, off_t current_chunk, riff_fmt_chunk * fmt, int mwv) { int32_t (*read_32bit)(off_t,STREAMFILE*) = big_endian ? read_32bitBE : read_32bitLE; int16_t (*read_16bit)(off_t,STREAMFILE*) = big_endian ? read_16bitBE : read_16bitLE; fmt->offset = current_chunk; fmt->size = read_32bit(current_chunk+0x04,streamFile); /* WAVEFORMAT */ fmt->codec = (uint16_t)read_16bit(current_chunk+0x08,streamFile); fmt->channel_count = read_16bit(current_chunk+0x0a,streamFile); fmt->sample_rate = read_32bit(current_chunk+0x0c,streamFile); //fmt->avg_bps = read_32bit(current_chunk+0x10,streamFile); fmt->block_size = read_16bit(current_chunk+0x14,streamFile); fmt->bps = read_16bit(current_chunk+0x16,streamFile); /* WAVEFORMATEX */ if (fmt->size >= 0x10) { fmt->extra_size = read_16bit(current_chunk+0x18,streamFile); /* 0x1a+ depends on codec (ex. coef table for MSADPCM, samples_per_frame in MS-IMA, etc) */ } /* WAVEFORMATEXTENSIBLE */ if (fmt->codec == 0xFFFE && fmt->extra_size >= 0x16) { //fmt->extra_samples = read_16bit(current_chunk+0x1a,streamFile); /* valid_bits_per_sample or samples_per_block */ fmt->channel_layout = read_32bit(current_chunk+0x1c,streamFile); /* 0x10 guid at 0x20 */ /* happens in various .at3/at9, may be a bug in their encoder b/c MS's defs set mono as FC */ if (fmt->channel_count == 1 && fmt->channel_layout == speaker_FL) { /* other channels are fine */ fmt->channel_layout = speaker_FC; } /* happens in few at3p, may be a bug in older tools as other games have ok flags [Ridge Racer 7 (PS3)] */ if (fmt->channel_count == 6 && fmt->channel_layout == 0x013f) { fmt->channel_layout = 0x3f; } } switch (fmt->codec) { case 0x00: /* Yamaha AICA ADPCM (raw) [Headhunter (DC), Bomber hehhe (DC)] (unofficial) */ if (fmt->bps != 4) goto fail; if (fmt->block_size != 0x02*fmt->channel_count) goto fail; fmt->coding_type = coding_AICA_int; fmt->interleave = 0x01; break; case 0x01: /* PCM */ switch (fmt->bps) { case 16: fmt->coding_type = big_endian ? coding_PCM16BE : coding_PCM16LE; fmt->interleave = 0x02; break; case 8: fmt->coding_type = coding_PCM8_U; fmt->interleave = 0x01; break; default: goto fail; } break; case 0x02: /* MSADPCM */ if (fmt->bps == 4) { fmt->coding_type = coding_MSADPCM; if (!msadpcm_check_coefs(streamFile, fmt->offset + 0x08 + 0x14)) goto fail; } else if (fmt->bps == 16 && fmt->block_size == 0x02 * fmt->channel_count && fmt->size == 0x14) { fmt->coding_type = coding_IMA; /* MX vs ATV Unleashed (PC) codec hijack */ } else { goto fail; } break; case 0x11: /* MS-IMA ADPCM [Layton Brothers: Mystery Room (iOS/Android)] */ if (fmt->bps != 4) goto fail; fmt->coding_type = coding_MS_IMA; break; case 0x20: /* Yamaha AICA ADPCM (raw) [Takuyo/Dynamix/etc DC games] */ if (fmt->bps != 4) goto fail; fmt->coding_type = coding_AICA; /* official RIFF spec has 0x20 as 'Yamaha ADPCM', but data is probably not pure AICA * (maybe with headered frames and would need extra detection?) */ break; case 0x69: /* XBOX IMA ADPCM [Dynasty Warriors 5 (Xbox)] */ if (fmt->bps != 4) goto fail; fmt->coding_type = coding_XBOX_IMA; break; case 0x007A: /* MS IMA ADPCM [LA Rush (PC), Psi Ops (PC)] (unofficial) */ /* 0x007A is apparently "Voxware SC3" but in .MED it's just MS-IMA (0x11) */ if (!check_extensions(streamFile,"med")) goto fail; if (fmt->bps == 4) /* normal MS IMA */ fmt->coding_type = coding_MS_IMA; else if (fmt->bps == 3) /* 3-bit MS IMA, used in a very few files */ goto fail; //fmt->coding_type = coding_MS_IMA_3BIT; else goto fail; break; case 0x0555: /* Level-5 0x555 ADPCM (unofficial) */ if (!mwv) goto fail; fmt->coding_type = coding_L5_555; fmt->interleave = 0x12; break; #ifdef VGM_USE_VORBIS case 0x6771: /* Ogg Vorbis (mode 3+) */ fmt->coding_type = coding_OGG_VORBIS; break; #else goto fail; #endif case 0x270: /* ATRAC3 */ #ifdef VGM_USE_FFMPEG fmt->coding_type = coding_FFmpeg; fmt->is_at3 = 1; break; #else goto fail; #endif case 0xFFFE: { /* WAVEFORMATEXTENSIBLE (see ksmedia.h for known GUIDs) */ uint32_t guid1 = (uint32_t)read_32bit (current_chunk+0x20,streamFile); uint32_t guid2 = ((uint16_t)read_16bit (current_chunk+0x24,streamFile) << 16u) | ((uint16_t)read_16bit (current_chunk+0x26,streamFile)); uint32_t guid3 = (uint32_t)read_32bitBE(current_chunk+0x28,streamFile); uint32_t guid4 = (uint32_t)read_32bitBE(current_chunk+0x2c,streamFile); //;VGM_LOG("RIFF: guid %08x %08x %08x %08x\n", guid1, guid2, guid3, guid4); /* PCM GUID (0x00000001,0000,0010,80,00,00,AA,00,38,9B,71) */ if (guid1 == 0x00000001 && guid2 == 0x00000010 && guid3 == 0x800000AA && guid4 == 0x00389B71) { switch (fmt->bps) { case 16: fmt->coding_type = big_endian ? coding_PCM16BE : coding_PCM16LE; fmt->interleave = 0x02; break; default: goto fail; } break; } /* ATRAC3plus GUID (0xE923AABF,CB58,4471,A1,19,FF,FA,01,E4,CE,62) */ if (guid1 == 0xE923AABF && guid2 == 0xCB584471 && guid3 == 0xA119FFFA && guid4 == 0x01E4CE62) { #ifdef VGM_USE_MAIATRAC3PLUS uint16_t bztmp = read_16bit(current_chunk+0x32,streamFile); bztmp = (bztmp >> 8) | (bztmp << 8); fmt->coding_type = coding_AT3plus; fmt->block_size = (bztmp & 0x3FF) * 8 + 8; /* should match fmt->block_size */ fmt->is_at3p = 1; break; #elif defined(VGM_USE_FFMPEG) fmt->coding_type = coding_FFmpeg; fmt->is_at3p = 1; break; #else goto fail; #endif } /* ATRAC9 GUID (0x47E142D2,36BA,4D8D,88,FC,61,65,4F,8C,83,6C) */ if (guid1 == 0x47E142D2 && guid2 == 0x36BA4D8D && guid3 == 0x88FC6165 && guid4 == 0x4F8C836C) { #ifdef VGM_USE_ATRAC9 fmt->coding_type = coding_ATRAC9; fmt->is_at9 = 1; break; #else goto fail; #endif } goto fail; /* unknown GUID */ } default: goto fail; } return 1; fail: return 0; } static int is_ue4_msadpcm(VGMSTREAM* vgmstream, STREAMFILE* streamFile, riff_fmt_chunk* fmt, int fact_sample_count, off_t start_offset); static size_t get_ue4_msadpcm_interleave(STREAMFILE *sf, riff_fmt_chunk *fmt, off_t start, size_t size); VGMSTREAM * init_vgmstream_riff(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; riff_fmt_chunk fmt = {0}; size_t file_size, riff_size, data_size = 0; off_t start_offset = 0; int fact_sample_count = 0; int fact_sample_skip = 0; int loop_flag = 0; long loop_start_ms = -1, loop_end_ms = -1; int32_t loop_start_wsmp = -1, loop_end_wsmp = -1; int32_t loop_start_smpl = -1, loop_end_smpl = -1; int32_t loop_start_cue = -1; int FormatChunkFound = 0, DataChunkFound = 0, JunkFound = 0; int mwv = 0; /* Level-5 .mwv (Dragon Quest VIII, Rogue Galaxy) */ off_t mwv_pflt_offset = -1; off_t mwv_ctrl_offset = -1; /* check extension */ /* .lwav: to avoid hijacking .wav * .xwav: fake for Xbox games (not needed anymore) * .da: The Great Battle VI (PS1) * .dax: Love Game's - Wai Wai Tennis (PS1) * .cd: Exector (PS) * .med: Psi Ops (PC) * .snd: Layton Brothers (iOS/Android) * .adx: Remember11 (PC) sfx * .adp: Headhunter (DC) * .xss: Spider-Man The Movie (Xbox) * .xsew: Mega Man X Legacy Collections (PC) * .adpcm: Angry Birds Transformers (Android) * .adw: Dead Rising 2 (PC) * .wd: Genma Onimusha (Xbox) voices * (extensionless): Myst III (Xbox) * .sbv: Spongebob Squarepants - The Movie (PC) * .wvx: Godzilla - Destroy All Monsters Melee (Xbox) * .str: Harry Potter and the Philosopher's Stone (Xbox) * .at3: standard ATRAC3 * .rws: Climax games (Silent Hill Origins PSP, Oblivion PSP) ATRAC3 * .aud: EA Replay ATRAC3 * .at9: standard ATRAC9 */ if ( check_extensions(streamFile, "wav,lwav,xwav,da,dax,cd,med,snd,adx,adp,xss,xsew,adpcm,adw,wd,,sbv,wvx,str,at3,rws,aud,at9") ) { ; } else if ( check_extensions(streamFile, "mwv") ) { mwv = 1; } else { goto fail; } /* check header */ if (read_32bitBE(0x00,streamFile) != 0x52494646) /* "RIFF" */ goto fail; if (read_32bitBE(0x08,streamFile) != 0x57415645) /* "WAVE" */ goto fail; riff_size = read_32bitLE(0x04,streamFile); file_size = get_streamfile_size(streamFile); /* some of Liar-soft's buggy RIFF+Ogg made with Soundforge [Shikkoku no Sharnoth (PC)] */ if (riff_size+0x08+0x01 == file_size) riff_size += 0x01; /* some Xbox games do this [Dynasty Warriors 3 (Xbox), BloodRayne (Xbox)] */ if (riff_size == file_size && read_16bitLE(0x14,streamFile)==0x0069) riff_size -= 0x08; /* some Dreamcast/Naomi games do this [Headhunter (DC), Bomber hehhe (DC)] */ if (riff_size + 0x04 == file_size && read_16bitLE(0x14,streamFile)==0x0000) riff_size -= 0x04; /* some PC games do this [Halo 2 (PC)] (possibly bad extractor? 'Gravemind Tool') */ if (riff_size + 0x04 == file_size && read_16bitLE(0x14,streamFile)==0x0069) riff_size -= 0x04; /* check for truncated RIFF */ if (file_size < riff_size+0x08) goto fail; /* read through chunks to verify format and find metadata */ { off_t current_chunk = 0x0c; /* start with first chunk */ while (current_chunk < file_size && current_chunk < riff_size+8) { uint32_t chunk_id = read_32bitBE(current_chunk + 0x00,streamFile); /* FOURCC */ size_t chunk_size = read_32bitLE(current_chunk + 0x04,streamFile); if (current_chunk + 0x08 + chunk_size > file_size) goto fail; switch(chunk_id) { case 0x666d7420: /* "fmt " */ if (FormatChunkFound) goto fail; /* only one per file */ FormatChunkFound = 1; if (!read_fmt(0, streamFile, current_chunk, &fmt, mwv)) goto fail; /* some Dreamcast/Naomi games again [Headhunter (DC), Bomber hehhe (DC)] */ if (fmt.codec == 0x0000 && chunk_size == 0x12) chunk_size += 0x02; break; case 0x64617461: /* "data" */ if (DataChunkFound) goto fail; /* only one per file */ DataChunkFound = 1; start_offset = current_chunk + 0x08; data_size = chunk_size; break; case 0x4C495354: /* "LIST" */ switch (read_32bitBE(current_chunk+0x08, streamFile)) { case 0x6164746C: /* "adtl" */ /* yay, atdl is its own little world */ parse_adtl(current_chunk + 8, chunk_size, streamFile, &loop_start_ms,&loop_end_ms,&loop_flag); break; default: break; } break; case 0x736D706C: /* "smpl" (RIFFMIDISample + MIDILoop chunk) */ /* check loop count/loop info (most common) */ /* 0x00: manufacturer id, 0x04: product id, 0x08: sample period, 0x0c: unity node, * 0x10: pitch fraction, 0x14: SMPTE format, 0x18: SMPTE offset, 0x1c: loop count, 0x20: sampler data */ if (read_32bitLE(current_chunk+0x08+0x1c, streamFile) == 1) { /* handle only one loop (could contain N MIDILoop) */ /* 0x24: cue point id, 0x28: type (0=forward, 1=alternating, 2=backward) * 0x2c: start, 0x30: end, 0x34: fraction, 0x38: play count */ if (read_32bitLE(current_chunk+0x08+0x28, streamFile) == 0) { /* loop forward */ loop_flag = 1; loop_start_smpl = read_32bitLE(current_chunk+0x08+0x2c, streamFile); loop_end_smpl = read_32bitLE(current_chunk+0x08+0x30, streamFile) + 1; /* must add 1 as per spec (ok for standard WAV/AT3/AT9) */ } } break; case 0x77736D70: /* "wsmp" (RIFFDLSSample + DLSLoop chunk) */ /* check loop count/info (found in some Xbox games: Halo (non-looping), Dynasty Warriors 3, Crimson Sea) */ /* 0x00: size, 0x04: unity note, 0x06: fine tune, 0x08: gain, 0x10: loop count */ if (chunk_size >= 0x24 && read_32bitLE(current_chunk+0x08+0x00, streamFile) == 0x14 && read_32bitLE(current_chunk+0x08+0x10, streamFile) > 0 && read_32bitLE(current_chunk+0x08+0x14, streamFile) == 0x10) { /* 0x14: size, 0x18: loop type (0=forward, 1=release), 0x1c: loop start, 0x20: loop length */ if (read_32bitLE(current_chunk+0x08+0x18, streamFile) == 0) { /* loop forward */ loop_flag = 1; loop_start_wsmp = read_32bitLE(current_chunk+0x08+0x1c, streamFile); loop_end_wsmp = read_32bitLE(current_chunk+0x08+0x20, streamFile); /* must not add 1 as per spec */ loop_end_wsmp += loop_start_wsmp; } } break; case 0x66616374: /* "fact" */ if (chunk_size == 0x04) { /* standard (usually for ADPCM, MS recommends to set for non-PCM codecs) */ fact_sample_count = read_32bitLE(current_chunk+0x08, streamFile); } else if (chunk_size == 0x10 && read_32bitBE(current_chunk+0x08+0x04, streamFile) == 0x4C794E20) { /* "LyN " */ goto fail; /* parsed elsewhere */ } else if ((fmt.is_at3 || fmt.is_at3p) && chunk_size == 0x08) { /* early AT3 (mainly PSP games) */ fact_sample_count = read_32bitLE(current_chunk+0x08, streamFile); fact_sample_skip = read_32bitLE(current_chunk+0x0c, streamFile); /* base skip samples */ } else if ((fmt.is_at3 || fmt.is_at3p) && chunk_size == 0x0c) { /* late AT3 (mainly PS3 games and few PSP games) */ fact_sample_count = read_32bitLE(current_chunk+0x08, streamFile); /* 0x0c: base skip samples, ignored by decoder */ fact_sample_skip = read_32bitLE(current_chunk+0x10, streamFile); /* skip samples with extra 184 */ } else if (fmt.is_at9 && chunk_size == 0x0c) { fact_sample_count = read_32bitLE(current_chunk+0x08, streamFile); /* 0x0c: base skip samples (same as next field) */ fact_sample_skip = read_32bitLE(current_chunk+0x10, streamFile); } break; case 0x70666c74: /* "pflt" (.mwv extension) */ if (!mwv) break; /* ignore if not in an mwv */ mwv_pflt_offset = current_chunk; /* predictor filters */ break; case 0x6374726c: /* "ctrl" (.mwv extension) */ if (!mwv) break; loop_flag = read_32bitLE(current_chunk+0x08, streamFile); mwv_ctrl_offset = current_chunk; break; case 0x63756520: /* "cue " (used in Source Engine for storing loop points) */ if (fmt.coding_type == coding_PCM16LE || fmt.coding_type == coding_MSADPCM) { uint32_t num_cues = read_32bitLE(current_chunk + 0x08, streamFile); if (num_cues == 1 || num_cues == 2) { // The second cue sets loop end point but it's not actually used by the engine. loop_flag = 1; loop_start_cue = read_32bitLE(current_chunk + 0x20, streamFile); } } break; case 0x4A554E4B: /* "JUNK" */ JunkFound = 1; break; default: /* ignorance is bliss */ break; } /* chunks are even-sized with padding byte (for 16b reads) as per spec (normally * pre-adjusted except for a few like Liar-soft's), at end may not have padding though * (done *after* chunk parsing since size without padding is needed) */ if (chunk_size % 0x02 && current_chunk + 0x08 + chunk_size+0x01 <= file_size) chunk_size += 0x01; current_chunk += 0x08 + chunk_size; } } if (!FormatChunkFound || !DataChunkFound) goto fail; //todo improve detection using fmt sizes/values as Wwise's don't match the RIFF standard /* JUNK is an optional Wwise chunk, and Wwise hijacks the MSADPCM/MS_IMA/XBOX IMA ids (how nice). * To ensure their stuff is parsed in wwise.c we reject their JUNK, which they put almost always. * As JUNK is legal (if unusual) we only reject those codecs. * (ex. Cave PC games have PCM16LE + JUNK + smpl created by "Samplitude software") */ if (JunkFound && check_extensions(streamFile,"wav,lwav") /* for some .MED IMA */ && (fmt.coding_type==coding_MSADPCM /*|| fmt.coding_type==coding_MS_IMA*/ || fmt.coding_type==coding_XBOX_IMA)) goto fail; /* ignore Beyond Good & Evil HD PS3 evil reuse of PCM codec */ if (fmt.coding_type == coding_PCM16LE && read_32bitBE(start_offset+0x00, streamFile) == 0x4D534643 && /* "MSF\43" */ read_32bitBE(start_offset+0x34, streamFile) == 0xFFFFFFFF && /* always */ read_32bitBE(start_offset+0x38, streamFile) == 0xFFFFFFFF && read_32bitBE(start_offset+0x3c, streamFile) == 0xFFFFFFFF) goto fail; /* ignore Gitaroo Man Live! (PSP) multi-RIFF (to allow chunked TXTH) */ if (fmt.is_at3 && get_streamfile_size(streamFile) > 0x2800 && read_32bitBE(0x2800, streamFile) == 0x52494646) { /* "RIFF" */ goto fail; } /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(fmt.channel_count,loop_flag); if (!vgmstream) goto fail; vgmstream->sample_rate = fmt.sample_rate; vgmstream->channel_layout = fmt.channel_layout; /* coding, layout, interleave */ vgmstream->coding_type = fmt.coding_type; switch (fmt.coding_type) { case coding_MS_IMA: case coding_AICA: case coding_XBOX_IMA: case coding_IMA: #ifdef VGM_USE_FFMPEG case coding_FFmpeg: #endif #ifdef VGM_USE_MAIATRAC3PLUS case coding_AT3plus: #endif #ifdef VGM_USE_ATRAC9 case coding_ATRAC9: #endif #ifdef VGM_USE_VORBIS case coding_OGG_VORBIS: #endif vgmstream->layout_type = layout_none; vgmstream->interleave_block_size = fmt.block_size; break; case coding_MSADPCM: vgmstream->layout_type = layout_none; vgmstream->frame_size = fmt.block_size; break; default: vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = fmt.interleave; break; } /* samples, codec init (after setting coding to ensure proper close on failure) */ switch (fmt.coding_type) { case coding_PCM16LE: vgmstream->num_samples = pcm_bytes_to_samples(data_size, fmt.channel_count, 16); break; case coding_PCM8_U: vgmstream->num_samples = pcm_bytes_to_samples(data_size, vgmstream->channels, 8); break; case coding_L5_555: if (!mwv) goto fail; vgmstream->num_samples = data_size / 0x12 / fmt.channel_count * 32; /* coefs */ { int i, ch; const int filter_order = 3; int filter_count = read_32bitLE(mwv_pflt_offset+0x0c, streamFile); if (filter_count > 0x20) goto fail; if (mwv_pflt_offset == -1 || read_32bitLE(mwv_pflt_offset+0x08, streamFile) != filter_order || read_32bitLE(mwv_pflt_offset+0x04, streamFile) < 8 + filter_count * 4 * filter_order) goto fail; for (ch = 0; ch < fmt.channel_count; ch++) { for (i = 0; i < filter_count * filter_order; i++) { int coef = read_32bitLE(mwv_pflt_offset+0x10+i*0x04, streamFile); vgmstream->ch[ch].adpcm_coef_3by32[i] = coef; } } } break; case coding_MSADPCM: vgmstream->num_samples = msadpcm_bytes_to_samples(data_size, fmt.block_size, fmt.channel_count); if (fact_sample_count && fact_sample_count < vgmstream->num_samples) vgmstream->num_samples = fact_sample_count; break; case coding_MS_IMA: vgmstream->num_samples = ms_ima_bytes_to_samples(data_size, fmt.block_size, fmt.channel_count); if (fact_sample_count && fact_sample_count < vgmstream->num_samples) vgmstream->num_samples = fact_sample_count; break; case coding_AICA: case coding_AICA_int: vgmstream->num_samples = yamaha_bytes_to_samples(data_size, fmt.channel_count); break; case coding_XBOX_IMA: vgmstream->num_samples = xbox_ima_bytes_to_samples(data_size, fmt.channel_count); if (fact_sample_count && fact_sample_count < vgmstream->num_samples) vgmstream->num_samples = fact_sample_count; /* some (converted?) Xbox games have bigger fact_samples */ break; case coding_IMA: vgmstream->num_samples = ima_bytes_to_samples(data_size, fmt.channel_count); break; #ifdef VGM_USE_FFMPEG case coding_FFmpeg: { if (!fmt.is_at3 && !fmt.is_at3p) goto fail; vgmstream->codec_data = init_ffmpeg_atrac3_riff(streamFile, 0x00, NULL); if (!vgmstream->codec_data) goto fail; vgmstream->num_samples = fact_sample_count; if (loop_flag) { /* adjust RIFF loop/sample absolute values (with skip samples) */ loop_start_smpl -= fact_sample_skip; loop_end_smpl -= fact_sample_skip; /* happens with official tools when "fact" is not found */ if (vgmstream->num_samples == 0) vgmstream->num_samples = loop_end_smpl; } break; } #endif #ifdef VGM_USE_MAIATRAC3PLUS case coding_AT3plus: { vgmstream->codec_data = init_at3plus(); /* get rough total samples but favor fact_samples if available (skip isn't correctly handled for now) */ vgmstream->num_samples = atrac3plus_bytes_to_samples(data_size, fmt.block_size); if (fact_sample_count > 0 && fact_sample_count + fact_sample_skip < vgmstream->num_samples) vgmstream->num_samples = fact_sample_count + fact_sample_skip; break; } #endif #ifdef VGM_USE_ATRAC9 case coding_ATRAC9: { atrac9_config cfg = {0}; cfg.channels = vgmstream->channels; cfg.config_data = read_32bitBE(fmt.offset+0x08+0x2c,streamFile); cfg.encoder_delay = fact_sample_skip; vgmstream->codec_data = init_atrac9(&cfg); if (!vgmstream->codec_data) goto fail; vgmstream->num_samples = fact_sample_count; /* RIFF loop/sample values are absolute (with skip samples), adjust */ if (loop_flag) { loop_start_smpl -= fact_sample_skip; loop_end_smpl -= fact_sample_skip; } break; } #endif #ifdef VGM_USE_VORBIS case coding_OGG_VORBIS: { /* special handling of Liar-soft's buggy RIFF+Ogg made with Soundforge [Shikkoku no Sharnoth (PC)] */ STREAMFILE *temp_sf = setup_riff_ogg_streamfile(streamFile, start_offset, data_size); if (!temp_sf) goto fail; vgmstream->codec_data = init_ogg_vorbis(temp_sf, 0x00, get_streamfile_size(temp_sf), NULL); if (!vgmstream->codec_data) goto fail; /* Soundforge includes fact_samples and should be equal to Ogg samples */ vgmstream->num_samples = fact_sample_count; break; } #endif default: goto fail; } /* UE4 uses interleaved mono MSADPCM, try to autodetect without breaking normal MSADPCM */ if (fmt.coding_type == coding_MSADPCM && is_ue4_msadpcm(vgmstream, streamFile, &fmt, fact_sample_count, start_offset)) { vgmstream->coding_type = coding_MSADPCM_int; vgmstream->frame_size = fmt.block_size; vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = get_ue4_msadpcm_interleave(streamFile, &fmt, start_offset, data_size); if (fmt.size == 0x36) vgmstream->num_samples = read_s32le(fmt.offset+0x08+0x32, streamFile); } /* Dynasty Warriors 5 (Xbox) 6ch interleaves stereo frames, probably not official */ if (vgmstream->coding_type == coding_XBOX_IMA && vgmstream->channels > 2) { vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = 0x24; /* block_size / channels */ if (vgmstream->channels > 2 && vgmstream->channels % 2 != 0) goto fail; /* only 2ch+..+2ch layout is known */ } /* meta, loops */ vgmstream->meta_type = meta_RIFF_WAVE; if (loop_flag) { if (loop_start_ms >= 0) { vgmstream->loop_start_sample = (long long)loop_start_ms*fmt.sample_rate/1000; vgmstream->loop_end_sample = (long long)loop_end_ms*fmt.sample_rate/1000; vgmstream->meta_type = meta_RIFF_WAVE_labl; } else if (loop_start_smpl >= 0) { vgmstream->loop_start_sample = loop_start_smpl; vgmstream->loop_end_sample = loop_end_smpl; /* end must add +1, but check in case of faulty tools */ if (vgmstream->loop_end_sample - 1 == vgmstream->num_samples) vgmstream->loop_end_sample--; vgmstream->meta_type = meta_RIFF_WAVE_smpl; } else if (loop_start_wsmp >= 0) { vgmstream->loop_start_sample = loop_start_wsmp; vgmstream->loop_end_sample = loop_end_wsmp; vgmstream->meta_type = meta_RIFF_WAVE_wsmp; } else if (mwv && mwv_ctrl_offset != -1) { vgmstream->loop_start_sample = read_32bitLE(mwv_ctrl_offset+12, streamFile); vgmstream->loop_end_sample = vgmstream->num_samples; } else if (loop_start_cue != -1) { vgmstream->loop_start_sample = loop_start_cue; vgmstream->loop_end_sample = vgmstream->num_samples; } } if (mwv) { vgmstream->meta_type = meta_RIFF_WAVE_MWV; } if (!vgmstream_open_stream(vgmstream, streamFile, start_offset)) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; } /* UE4 MSADPCM is quite normal but has a few minor quirks we can use to detect it */ static int is_ue4_msadpcm(VGMSTREAM* vgmstream, STREAMFILE* streamFile, riff_fmt_chunk* fmt, int fact_sample_count, off_t start) { /* multichannel ok */ if (fmt->channel_count < 2) goto fail; /* UE4 class is "ADPCM", assume it's the extension too */ if (!check_extensions(streamFile, "adpcm")) goto fail; /* UE4 encoder doesn't add "fact" */ if (fact_sample_count != 0) goto fail; /* fixed block size */ if (fmt->block_size != 0x200) goto fail; /* later UE4 versions use 0x36 */ if (fmt->size != 0x32 && fmt->size != 0x36) goto fail; /* size 0x32 in older UE4 matches standard MSADPCM, so add extra detection */ if (fmt->size == 0x32) { off_t offset = start; off_t max_offset = 5 * fmt->block_size; /* try N blocks */ if (max_offset > get_streamfile_size(streamFile)) max_offset = get_streamfile_size(streamFile); /* their encoder doesn't calculate optimal coefs and uses fixed values every frame * (could do it for fmt size 0x36 too but maybe they'll fix it in the future) */ while (offset <= max_offset) { if (read_8bit(offset+0x00, streamFile) != 0 || read_16bitLE(offset+0x01, streamFile) != 0x00E6) goto fail; offset += fmt->block_size; } } return 1; fail: return 0; } /* for maximum annoyance later UE4 versions (~v4.2x?) interleave single frames instead of * half interleave, but don't have flags to detect so we need some heuristics */ static size_t get_ue4_msadpcm_interleave(STREAMFILE *sf, riff_fmt_chunk *fmt, off_t start, size_t size) { size_t v1_interleave = size / fmt->channel_count; size_t v2_interleave = fmt->block_size; uint8_t nibbles1[0x08] = {0}; uint8_t nibbles2[0x08] = {0}; /* old versions */ if (fmt->size == 0x32) return v1_interleave; /* 6ch only observed in later versions [Fortnite (PC)], not padded */ if (fmt->channel_count > 2) return v2_interleave; read_streamfile(nibbles1, start + size - 0x08, sizeof(nibbles2), sf); read_streamfile(nibbles2, start + v1_interleave - 0x08, sizeof(nibbles2), sf); /* last frame is almost always padded, so should at half interleave */ if (get_u64be(nibbles1) == 0 && get_u64be(nibbles2) == 0) return v1_interleave; /* last frame is silent-ish, so should at half interleave (TSA's SML_DarknessLoop_01, TSA_CAD_YAKATA) * this doesn't work too well b/c num_samples at 0x36 uses all data, may need adjustment */ { int i; int empty_nibbles1 = 1, empty_nibbles2 = 1; for (i = 0; i < sizeof(nibbles1); i++) { uint8_t n1 = ((nibbles1[i] >> 0) & 0x0f); uint8_t n2 = ((nibbles1[i] >> 4) & 0x0f); if ((n1 != 0x0 && n1 != 0xf && n1 != 0x1) || (n2 != 0x0 && n2 != 0xf && n2 != 0x1)) { empty_nibbles1 = 0; break; } } for (i = 0; i < sizeof(nibbles2); i++) { uint8_t n1 = ((nibbles2[i] >> 0) & 0x0f); uint8_t n2 = ((nibbles2[i] >> 4) & 0x0f); if ((n1 != 0x0 && n1 != 0xf && n1 != 0x1) || (n2 != 0x0 && n2 != 0xf && n2 != 0x1)) { empty_nibbles2 = 0; break; } } if (empty_nibbles1 && empty_nibbles2) return v1_interleave; } /* other tests? */ return v2_interleave; /* favor newer games */ } VGMSTREAM * init_vgmstream_rifx(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; riff_fmt_chunk fmt = {0}; size_t file_size, riff_size, data_size = 0; off_t start_offset = 0; int loop_flag = 0; off_t loop_start_offset = -1; off_t loop_end_offset = -1; int FormatChunkFound = 0, DataChunkFound = 0; /* check extension, case insensitive */ if ( !check_extensions(streamFile, "wav,lwav") ) goto fail; /* check header */ if (read_32bitBE(0x00,streamFile) != 0x52494658) /* "RIFX" */ goto fail; if (read_32bitBE(0x08,streamFile) != 0x57415645) /* "WAVE" */ goto fail; riff_size = read_32bitBE(0x04,streamFile); file_size = get_streamfile_size(streamFile); /* check for truncated RIFF */ if (file_size < riff_size+8) goto fail; /* read through chunks to verify format and find metadata */ { off_t current_chunk = 0xc; /* start with first chunk */ while (current_chunk < file_size && current_chunk < riff_size+8) { uint32_t chunk_type = read_32bitBE(current_chunk,streamFile); off_t chunk_size = read_32bitBE(current_chunk+4,streamFile); if (current_chunk+8+chunk_size > file_size) goto fail; switch(chunk_type) { case 0x666d7420: /* "fmt " */ /* only one per file */ if (FormatChunkFound) goto fail; FormatChunkFound = 1; if (!read_fmt(1, streamFile, current_chunk, &fmt, 0)) goto fail; break; case 0x64617461: /* data */ /* at most one per file */ if (DataChunkFound) goto fail; DataChunkFound = 1; start_offset = current_chunk + 8; data_size = chunk_size; break; case 0x736D706C: /* smpl */ /* check loop count and loop info */ if (read_32bitBE(current_chunk+0x24, streamFile)==1) { if (read_32bitBE(current_chunk+0x2c+4, streamFile)==0) { loop_flag = 1; loop_start_offset = read_32bitBE(current_chunk+0x2c+8, streamFile); loop_end_offset = read_32bitBE(current_chunk+0x2c+0xc,streamFile) + 1; } } break; default: /* ignorance is bliss */ break; } current_chunk += 8+chunk_size; } } if (!FormatChunkFound || !DataChunkFound) goto fail; /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(fmt.channel_count,loop_flag); if (!vgmstream) goto fail; vgmstream->sample_rate = fmt.sample_rate; /* init, samples */ switch (fmt.coding_type) { case coding_PCM16BE: vgmstream->num_samples = pcm_bytes_to_samples(data_size, vgmstream->channels, 16); break; case coding_PCM8_U: vgmstream->num_samples = pcm_bytes_to_samples(data_size, vgmstream->channels, 8); break; default: goto fail; } /* coding, layout, interleave */ vgmstream->coding_type = fmt.coding_type; switch (fmt.coding_type) { default: vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = fmt.interleave; break; } /* meta, loops */ vgmstream->meta_type = meta_RIFX_WAVE; if (loop_flag) { if (loop_start_offset >= 0) { vgmstream->loop_start_sample = loop_start_offset; vgmstream->loop_end_sample = loop_end_offset; /* end must add +1, but check in case of faulty tools */ if (vgmstream->loop_end_sample - 1 == vgmstream->num_samples) vgmstream->loop_end_sample--; vgmstream->meta_type = meta_RIFX_WAVE_smpl; } } if ( !vgmstream_open_stream(vgmstream,streamFile,start_offset) ) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; }