#include "meta.h" #include "../coding/coding.h" /* .BAF - Bizarre Creations bank file [Blur (PS3), Project Gotham Racing 4 (X360), Geometry Wars (PC)] */ VGMSTREAM * init_vgmstream_baf(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; off_t start_offset, header_offset, name_offset; size_t stream_size; int loop_flag, channel_count, sample_rate, version, codec; int total_subsongs, target_subsong = streamFile->stream_index; int32_t (*read_32bit)(off_t,STREAMFILE*); /* checks */ if (!check_extensions(streamFile, "baf")) goto fail; if (read_32bitBE(0x00,streamFile) != 0x42414E4B) /* "BANK" */ goto fail; /* use BANK size to check endianness */ if (guess_endianness32bit(0x04,streamFile)) { read_32bit = read_32bitBE; } else { read_32bit = read_32bitLE; } /* 0x04: bank size */ version = read_32bit(0x08,streamFile); if (version != 0x03 && version != 0x04 && version != 0x05) goto fail; total_subsongs = read_32bit(0x0c,streamFile); if (target_subsong == 0) target_subsong = 1; if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail; /* - in v3 */ /* 0x10: 0? */ /* 0x11: bank name */ /* - in v4/5 */ /* 0x10: 1? */ /* 0x11: padding flag? */ /* 0x12: bank name */ /* find target WAVE chunk */ { int i; off_t offset = read_32bit(0x04, streamFile); for (i = 0; i < total_subsongs; i++) { if (i+1 == target_subsong) break; offset += read_32bit(offset+0x04, streamFile); /* WAVE size, variable per codec */ /* skip companion "CUE " (found in 007: Blood Stone, contains segment cues) */ if (read_32bitBE(offset+0x00, streamFile) == 0x43554520) { offset += read_32bit(offset+0x04, streamFile); /* CUE size */ } } header_offset = offset; } /* parse header */ if (read_32bitBE(header_offset+0x00, streamFile) != 0x57415645) /* "WAVE" */ goto fail; codec = read_32bit(header_offset+0x08, streamFile); name_offset = header_offset + 0x0c; start_offset = read_32bit(header_offset+0x2c, streamFile); stream_size = read_32bit(header_offset+0x30, streamFile); switch(codec) { case 0x03: switch(version) { case 0x03: /* Geometry Wars (PC) */ sample_rate = read_32bit(header_offset+0x38, streamFile); channel_count = read_32bit(header_offset+0x40, streamFile); /* no actual flag, just loop +15sec songs */ loop_flag = (pcm_bytes_to_samples(stream_size, channel_count, 16) > 15*sample_rate); break; case 0x04: /* Project Gotham Racing 4 (X360) */ sample_rate = read_32bit(header_offset+0x3c, streamFile); channel_count = read_32bit(header_offset+0x44, streamFile); loop_flag = read_8bit(header_offset+0x4b, streamFile); break; default: goto fail; } break; case 0x07: switch(version) { case 0x04: /* Blur (PS3) */ case 0x05: /* James Bond 007: Blood Stone (X360) */ sample_rate = read_32bit(header_offset+0x40, streamFile); loop_flag = read_8bit(header_offset+0x48, streamFile); channel_count = read_8bit(header_offset+0x4b, streamFile); break; default: goto fail; } break; case 0x08: switch(version) { case 0x04: /* Project Gotham Racing (X360) */ sample_rate = read_32bit(header_offset+0x3c, streamFile); channel_count = read_32bit(header_offset+0x44, streamFile); loop_flag = read_8bit(header_offset+0x54, streamFile) != 0; break; case 0x05: /* James Bond 007: Blood Stone (X360) */ sample_rate = read_32bit(header_offset+0x40, streamFile); channel_count = read_32bit(header_offset+0x48, streamFile); loop_flag = read_8bit(header_offset+0x58, streamFile) != 0; break; default: goto fail; } break; default: goto fail; } /* others: pan/vol? fixed values? (0x19, 0x10) */ /* after WAVEs there may be padding then DATAs chunks, but offsets point after DATA size */ /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; vgmstream->meta_type = meta_BAF; vgmstream->sample_rate = sample_rate; vgmstream->num_streams = total_subsongs; vgmstream->stream_size = stream_size; switch(codec) { case 0x03: vgmstream->coding_type = coding_PCM16LE; vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = 0x02; vgmstream->num_samples = pcm_bytes_to_samples(stream_size, channel_count, 16); vgmstream->loop_start_sample = 0; vgmstream->loop_end_sample = vgmstream->num_samples; break; case 0x07: vgmstream->coding_type = coding_PSX_cfg; vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = 0x21; vgmstream->num_samples = read_32bit(header_offset+0x44, streamFile); vgmstream->loop_start_sample = 0; vgmstream->loop_end_sample = vgmstream->num_samples; break; case 0x08: { uint8_t buf[0x100]; int bytes; bytes = ffmpeg_make_riff_xma1(buf,0x100, vgmstream->num_samples, stream_size, vgmstream->channels, vgmstream->sample_rate, 0); vgmstream->codec_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,stream_size); if (!vgmstream->codec_data) goto fail; vgmstream->coding_type = coding_FFmpeg; vgmstream->layout_type = layout_none; /* need to manually find sample offsets, it was a thing with XMA1 */ { ms_sample_data msd = {0}; msd.xma_version = 1; msd.channels = channel_count; msd.data_offset = start_offset; msd.data_size = stream_size; msd.loop_flag = loop_flag; msd.loop_start_b = read_32bit(header_offset+0x4c, streamFile); msd.loop_end_b = read_32bit(header_offset+0x50, streamFile); msd.loop_start_subframe = (read_8bit(header_offset+0x55, streamFile) >> 0) & 0x0f; msd.loop_end_subframe = (read_8bit(header_offset+0x55, streamFile) >> 4) & 0x0f; xma_get_samples(&msd, streamFile); vgmstream->num_samples = msd.num_samples; /* also at 0x58, but unreliable? */ vgmstream->loop_start_sample = msd.loop_start_sample; vgmstream->loop_end_sample = msd.loop_end_sample; } xma_fix_raw_samples_ch(vgmstream, streamFile, start_offset, stream_size, channel_count, 1,1); break; } default: VGM_LOG("BAF: unknown codec %x\n", codec); goto fail; } read_string(vgmstream->stream_name,0x20+1, name_offset,streamFile); if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) ) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; } /* awful PS3 splits of the above with bad offsets and all */ VGMSTREAM * init_vgmstream_baf_badrip(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; off_t WAVE_size, stream_size; off_t start_offset; long sample_count; int sample_rate; const int frame_size = 33; const int frame_samples = (frame_size-1) * 2; int channels; int loop_flag = 0; /* checks */ if ( !check_extensions(streamFile, "baf") ) goto fail; if (read_32bitBE(0,streamFile) != 0x57415645) /* "WAVE" */ goto fail; WAVE_size = read_32bitBE(4,streamFile); if (WAVE_size != 0x4c) /* && WAVE_size != 0x50*/ goto fail; if (read_32bitBE(WAVE_size,streamFile) != 0x44415441) /* "DATA"*/ goto fail; /* check that WAVE size is data size */ stream_size = read_32bitBE(0x30,streamFile); if (read_32bitBE(WAVE_size+4,streamFile)-8 != stream_size) goto fail; sample_count = read_32bitBE(0x44,streamFile); sample_rate = read_32bitBE(0x40,streamFile); /* unsure how to detect channel count, so use a hack */ channels = (long long)stream_size / frame_size * frame_samples / sample_count; start_offset = WAVE_size + 8; /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channels,loop_flag); if (!vgmstream) goto fail; vgmstream->sample_rate = sample_rate; vgmstream->num_samples = sample_count; vgmstream->coding_type = coding_PSX_cfg; vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = frame_size; vgmstream->meta_type = meta_BAF; if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) ) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; }