#include "meta.h" #include "../coding/coding.h" #include "../util.h" /* FSB5 header */ VGMSTREAM * init_vgmstream_fsb5(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; char filename[260]; off_t StartOffset; int LoopFlag = 0; int32_t LoopStart, LoopEnd; int NumSamples; int ChannelCount; int SampleRate; int DSPInfoStart; int SampleHeaderStart, SampleHeaderLength, NameTableLength, SampleDataLength, CodingID, SampleMode; int ExtraFlag, ExtraFlagStart, ExtraFlagType, ExtraFlagSize, ExtraFlagEnd; size_t fileLength; /* check extension, case insensitive */ streamFile->get_name(streamFile,filename,sizeof(filename)); if (strcasecmp("fsb",filename_extension(filename))) goto fail; if (read_32bitBE(0x00,streamFile) != 0x46534235) goto fail; /* "FSB5" */ if (read_32bitLE(0x04,streamFile) != 0x01) goto fail; /* Version ID */ if (read_32bitLE(0x08,streamFile) != 0x01) goto fail; /* Number of Sample Files */ SampleHeaderStart = 0x3C; SampleHeaderLength = read_32bitLE(0x0C,streamFile); NameTableLength = read_32bitLE(0x10,streamFile); SampleDataLength = read_32bitLE(0x14,streamFile); CodingID = read_32bitLE(0x18,streamFile); if ((SampleHeaderLength + NameTableLength + SampleDataLength + 0x3C) != get_streamfile_size(streamFile)) goto fail; StartOffset = SampleHeaderLength + NameTableLength + 0x3C; SampleMode = read_32bitLE(SampleHeaderStart+0x00,streamFile); if (SampleMode&0x02) { SampleRate = 48000; } else { SampleRate = 44100; } if (SampleMode&0x20) { ChannelCount = 2; } else { ChannelCount = 1; } ExtraFlagStart = SampleHeaderStart+0x08; if (SampleMode&0x01) { do { ExtraFlag = read_32bitLE(ExtraFlagStart,streamFile); ExtraFlagType = (ExtraFlag>>25)&0x7F; ExtraFlagSize = (ExtraFlag>>1)&0xFFFFFF; ExtraFlagEnd = (ExtraFlag&0x01); switch(ExtraFlagType) { case 0x02: /* Sample Rate Info */ { SampleRate = read_32bitLE(ExtraFlagStart+0x04,streamFile); } break; case 0x03: /* Loop Info */ { LoopStart = read_32bitLE(ExtraFlagStart+0x04,streamFile); if (LoopStart != 0x00) { LoopFlag = 1; LoopEnd = read_32bitLE(ExtraFlagStart+0x08,streamFile); } } break; case 0x07: /* DSP Info (Coeffs), only used if coding is DSP??? */ { DSPInfoStart = ExtraFlagStart+0x04; } break; } ExtraFlagStart+=ExtraFlagSize+0x04; } while (ExtraFlagEnd != 0x00); } /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(ChannelCount,LoopFlag); if (!vgmstream) goto fail; /* fill in the vital statistics */ vgmstream->channels = ChannelCount; vgmstream->sample_rate = SampleRate; switch (CodingID) { case 0x00: /* FMOD_SOUND_FORMAT_NONE */ { goto fail; } break; case 0x01: /* FMOD_SOUND_FORMAT_PCM8 */ { goto fail; } break; case 0x02: /* FMOD_SOUND_FORMAT_PCM16 */ { goto fail; } break; case 0x03:/* FMOD_SOUND_FORMAT_PCM24 */ { goto fail; } break; case 0x04: /* FMOD_SOUND_FORMAT_PCM32 */ { goto fail; } break; case 0x05: /* FMOD_SOUND_FORMAT_PCMFLOAT */ { goto fail; } break; case 0x06: /* FMOD_SOUND_FORMAT_GCADPCM */ { if (ChannelCount == 1) { NumSamples = read_32bitLE(SampleHeaderStart+0x04,streamFile)/4; vgmstream->layout_type = layout_none; } else { NumSamples = read_32bitLE(SampleHeaderStart+0x04,streamFile)/(2*ChannelCount); vgmstream->layout_type = layout_interleave_byte; vgmstream->interleave_block_size = 0x02; } vgmstream->coding_type = coding_NGC_DSP; /* DSP Coeffs */ { int c,i; for (c=0;cch[c].adpcm_coef[i] = read_16bitBE(DSPInfoStart + c*0x2E + i*2,streamFile); } } } } break; case 0x07: /* FMOD_SOUND_FORMAT_IMAADPCM */ { goto fail; } break; case 0x08: /* FMOD_SOUND_FORMAT_VAG */ { goto fail; } break; case 0x09: /* FMOD_SOUND_FORMAT_HEVAG */ { goto fail; } break; case 0x0A: /* FMOD_SOUND_FORMAT_XMA */ { goto fail; } break; case 0x0B: /* FMOD_SOUND_FORMAT_MPEG */ { NumSamples = read_32bitLE(SampleHeaderStart+0x04,streamFile)/2/ChannelCount; #ifdef VGM_USE_MPEG { mpeg_codec_data *mpeg_data = NULL; struct mpg123_frameinfo mi; coding_t ct; mpeg_data = init_mpeg_codec_data(streamFile, StartOffset, vgmstream->sample_rate, vgmstream->channels, &ct, NULL, NULL); if (!mpeg_data) goto fail; vgmstream->codec_data = mpeg_data; if (MPG123_OK != mpg123_info(mpeg_data->m, &mi)) goto fail; vgmstream->coding_type = ct; vgmstream->layout_type = layout_mpeg; if (mi.vbr != MPG123_CBR) goto fail; vgmstream->interleave_block_size = 0; } break; #endif } break; case 0x0C: /* FMOD_SOUND_FORMAT_CELT */ { goto fail; } break; case 0x0D: /* FMOD_SOUND_FORMAT_AT9 */ { goto fail; } break; case 0x0E: /* FMOD_SOUND_FORMAT_XWMA */ { goto fail; } break; case 0x0F: /* FMOD_SOUND_FORMAT_VORBIS */ { goto fail; } break; default: goto fail; } vgmstream->num_samples = NumSamples; vgmstream->meta_type = meta_FSB5; if (LoopFlag) { vgmstream->loop_start_sample = LoopStart; vgmstream->loop_end_sample = LoopEnd; } /* open the file for reading */ { int i; STREAMFILE * file; file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE); if (!file) goto fail; for (i=0;ich[i].streamfile = file; vgmstream->ch[i].channel_start_offset=vgmstream->ch[i].offset=StartOffset+vgmstream->interleave_block_size*i; } } return vgmstream; /* clean up anything we may have opened */ fail: if (vgmstream) close_vgmstream(vgmstream); return NULL; }