diff options
Diffstat (limited to 'lib/vgmstream/src/meta/emff.c')
| -rw-r--r-- | lib/vgmstream/src/meta/emff.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/lib/vgmstream/src/meta/emff.c b/lib/vgmstream/src/meta/emff.c new file mode 100644 index 0000000000..0798ddfee1 --- /dev/null +++ b/lib/vgmstream/src/meta/emff.c @@ -0,0 +1,179 @@ +#include "meta.h" +#include "../layout/layout.h" +#include "../util.h" + +/* EMFF - Eidos Music File Format (PS2), +Legacy of Kain - Defiance, possibly more... */ +VGMSTREAM * init_vgmstream_emff_ps2(STREAMFILE *streamFile) { + VGMSTREAM * vgmstream = NULL; + char filename[260]; + off_t start_offset; + int loop_flag = 0; + int channel_count; + int frequency; + int i; + + /* check extension, case insensitive */ + streamFile->get_name(streamFile,filename,sizeof(filename)); + if (strcasecmp("emff",filename_extension(filename))) goto fail; + + /* do some checks on the file, cause we have no magic words to check the header... + it seems if 0x800 and 0x804 = 0 then the file has only audio, if 0x800 = 1 + it has a text section, if both are 1 it's video with a text section included... */ + if (read_32bitBE(0x800,streamFile) == 0x01000000 || /* "0x01000000" */ + read_32bitBE(0x804,streamFile) == 0x01000000) /* "0x01000000" */ + goto fail; + + frequency = read_32bitLE(0x0,streamFile); + channel_count = read_32bitLE(0xC,streamFile); + + if (frequency > 48000 || + channel_count > 8) { + goto fail; + } + + loop_flag = (read_32bitLE(0x4,streamFile) != 0xFFFFFFFF); + + /* build the VGMSTREAM */ + vgmstream = allocate_vgmstream(channel_count,loop_flag); + if (!vgmstream) goto fail; + + /* fill in the vital statistics */ + start_offset = 0x800; + vgmstream->sample_rate = frequency; + vgmstream->channels = channel_count; + vgmstream->coding_type = coding_PSX; + + vgmstream->layout_type = layout_emff_ps2_blocked; + vgmstream->interleave_block_size = 0x10; + vgmstream->meta_type = meta_EMFF_PS2; + + /* open the file for reading */ + { + STREAMFILE * file; + file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE); + if (!file) goto fail; + for (i=0;i<channel_count;i++) { + vgmstream->ch[i].streamfile = file; + } + } + + /* Calc num_samples */ + emff_ps2_block_update(start_offset,vgmstream); + vgmstream->num_samples = read_32bitLE(0x8,streamFile);; + if (loop_flag) { + vgmstream->loop_start_sample = (read_32bitLE(0x28,streamFile)-start_offset)*28/16/channel_count; + vgmstream->loop_end_sample = read_32bitLE(0x8,streamFile); + } + + return vgmstream; + +/* clean up anything we may have opened */ +fail: + if (vgmstream) close_vgmstream(vgmstream); + return NULL; +} + + +/* EMFF - Eidos Music File Format (NGC/WII), +found in Tomb Raider Legend/Anniversary/Underworld, possibly more... */ +VGMSTREAM * init_vgmstream_emff_ngc(STREAMFILE *streamFile) { + VGMSTREAM * vgmstream = NULL; + char filename[260]; + off_t start_offset; + int loop_flag = 0; + int channel_count; + int frequency; + int i; + int j; + + /* check extension, case insensitive */ + streamFile->get_name(streamFile,filename,sizeof(filename)); + if (strcasecmp("emff",filename_extension(filename))) goto fail; + + /* do some checks on the file, cause we have no magic words to check the header... + it seems if 0x800 and 0x804 = 0 then the file has only audio, if 0x800 = 1 + it has a text section, if both are 1 it's video with a text section included... */ + if (read_32bitBE(0x800,streamFile) == 0x00000001 || /* "0x00000001" */ + read_32bitBE(0x804,streamFile) == 0x00000001) /* "0x00000001" */ + goto fail; + + frequency = read_32bitBE(0x0,streamFile); + channel_count = read_32bitBE(0xC,streamFile); + + if (frequency > 48000 || + channel_count > 8) { + goto fail; + } + + loop_flag = (read_32bitBE(0x4,streamFile) != 0xFFFFFFFF); + + /* build the VGMSTREAM */ + vgmstream = allocate_vgmstream(channel_count,loop_flag); + if (!vgmstream) goto fail; + + /* fill in the vital statistics */ + start_offset = 0x800; + vgmstream->sample_rate = frequency; + vgmstream->channels = channel_count; + vgmstream->coding_type = coding_NGC_DSP; + + /* Retrieving coefs and loops, depending on the file layout... */ + /* Found in Tomb Raider - Legend for GameCube */ + if (read_32bitBE(0xC8,streamFile) > 0x0) { + off_t coef_table[8] = {0xC8,0xF6,0x124,0x152,0x180,0x1AE,0x1DC,0x20A}; + for (j=0;j<vgmstream->channels;j++) { + for (i=0;i<16;i++) { + vgmstream->ch[j].adpcm_coef[i] = read_16bitBE(coef_table[j]+i*2,streamFile); + } + } + /* Found in Tomb Raider - Anniversary for WII */ + } else if (read_32bitBE(0xCC,streamFile) > 0x0) { + off_t coef_table[8] = {0xCC,0xFA,0x128,0x156,0x184,0x1B2,0x1E0,0x20E}; + for (j=0;j<vgmstream->channels;j++) { + for (i=0;i<16;i++) { + vgmstream->ch[j].adpcm_coef[i] = read_16bitBE(coef_table[j]+i*2,streamFile); + } +} + /* Found in Tomb Raider - Underworld for WII */ + } else if (read_32bitBE(0x2D0,streamFile) > 0x0) { + off_t coef_table[8] = {0x2D0,0x2FE,0x32C,0x35A,0x388,0x3B6,0x3E4,0x412}; + for (j=0;j<vgmstream->channels;j++) { + for (i=0;i<16;i++) { + vgmstream->ch[j].adpcm_coef[i] = read_16bitBE(coef_table[j]+i*2,streamFile); + } +} + + } else { + goto fail; + } + + vgmstream->layout_type = layout_emff_ngc_blocked; + vgmstream->interleave_block_size = 0x10; + vgmstream->meta_type = meta_EMFF_NGC; + + /* open the file for reading */ + { + STREAMFILE * file; + file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE); + if (!file) goto fail; + for (i=0;i<channel_count;i++) { + vgmstream->ch[i].streamfile = file; + } + } + + /* Calc num_samples */ + emff_ngc_block_update(start_offset,vgmstream); + vgmstream->num_samples = read_32bitBE(0x8,streamFile);; + if (loop_flag) { + vgmstream->loop_start_sample = (read_32bitBE(0x28,streamFile))*14/8/channel_count; + vgmstream->loop_end_sample = read_32bitBE(0x8,streamFile); + } + + return vgmstream; + +/* clean up anything we may have opened */ +fail: + if (vgmstream) close_vgmstream(vgmstream); + return NULL; +} |