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https://github.com/vgmstream/vgmstream.git
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Fix some DC .str issues and cleanup
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bnnm
parent
976c19a109
commit
29260470ff
@ -1079,8 +1079,8 @@ static const meta_info meta_info_list[] = {
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{meta_WVS, "Swingin' Ape .WVS header"},
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{meta_DEC, "Falcom .DEC RIFF header"},
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{meta_VS, "Melbourne House .VS header"},
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{meta_DC_STR, "Sega Stream Asset Builder header"},
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{meta_DC_STR_V2, "variant of Sega Stream Asset Builder header"},
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{meta_STR_SEGA, "Sega Stream Asset Builder header"},
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{meta_STR_SEGA_custom, "Sega Stream Asset Builder header (custom)"},
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{meta_XMU, "Outrage XMU header"},
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{meta_XVAS, "Konami .XVAS header"},
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{meta_XA2_ACCLAIM, "Acclaim .XA2 Header"},
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@ -1,165 +1,142 @@
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#include "meta.h"
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#include "../coding/coding.h"
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#include "../util.h"
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/* SEGA Stream Asset Builder...
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this meta handles only V1 and V3... */
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VGMSTREAM * init_vgmstream_dc_str(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[PATH_LIMIT];
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off_t start_offset;
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int loop_flag = 0;
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int interleave;
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int channel_count;
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int samples;
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/* .STR - Sega Dreamcast's "Audio64 AM (AICA Manager) driver" streams */
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VGMSTREAM* init_vgmstream_str_sega(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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uint32_t start_offset, data_size;
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int loop_flag, channels, track_channels, tracks, sample_rate, bps, interleave, blocks;
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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("str",filename_extension(filename))) goto fail;
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/* check header */
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if (read_32bitBE(0xD5,streamFile) != 0x53656761) /* "Sega" */
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/* checks */
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tracks = read_u32le(0x00,sf);
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if (tracks < 1 || tracks > 16) /* official limits */
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return NULL;
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/* "Sega Stream Asset Builder Revision ..." long text with program info, after header */
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if (!is_id64be(0xD4,sf, "\0Sega St"))
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return NULL;
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if (!check_extensions(sf, "str"))
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return NULL;
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sample_rate = read_s32le(0x04,sf);
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bps = read_u32le(0x08,sf);
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interleave = read_s32le(0x0C,sf); /* multiples of 0x800 (sector size) */
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blocks = read_s32le(0x10,sf); /* interruptsTillEnd, "how may irqs until the end of that tracks data" AKA interleaved blocks */
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/* per track info (channels must be the same per track, and data_size may be inaccurate for other tracks) */
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data_size = read_u32le(0x14,sf);
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track_channels = read_s32le(0x18,sf); /* max 2 for AICA, N for PCM */
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/* 0x08: blocks / interruptsTillEnd (not including padding) */
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/* header track data reserved up to max 16 * 0x0c = 0xC0 + 0x18 = 0xD4 */
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/* after track headers there may be one phantom entry with empty data/channels but repeated interruptsTillEnd (bug?) */
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channels = track_channels * tracks;
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loop_flag = 0; /* no loop info */
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start_offset = 0x800;
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/* all tracks/data is padded */
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if (blocks * channels * interleave != get_streamfile_size(sf) - start_offset)
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goto fail;
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interleave = read_32bitLE(0xC,streamFile);
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if ((get_streamfile_size(streamFile)-0x800) != (read_32bitLE(0x10,streamFile) *
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((read_32bitLE(0x0,streamFile)*(read_32bitLE(0x18,streamFile))))*interleave))
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goto fail;
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/* streams start with a "leadIn" silence that defaults to 2 blocks, but it's configurable */
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//start_offset += (interleave * channels) * 2;
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loop_flag = 0; /* (read_32bitLE(0x00,streamFile)!=0x00000000); */
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samples = read_32bitLE(0x08,streamFile);
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channel_count = (read_32bitLE(0x0,streamFile))*(read_32bitLE(0x18,streamFile));
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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vgmstream = allocate_vgmstream(channels,loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->meta_type = meta_STR_SEGA;
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vgmstream->sample_rate = sample_rate;
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/* fill in the vital statistics */
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switch (samples) {
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case 4:
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switch (bps) {
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case 4: /* common [GTA2 (DC)] */
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vgmstream->coding_type = coding_AICA_int;
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vgmstream->num_samples = read_32bitLE(0x14,streamFile);
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if (loop_flag) {
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vgmstream->loop_start_sample = 0;
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vgmstream->loop_end_sample = read_32bitLE(0x14,streamFile);
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}
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vgmstream->num_samples = yamaha_bytes_to_samples(data_size, track_channels);
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for (int i = 0; i < channels; i++) {
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vgmstream->ch[i].adpcm_step_index = 0x7f;
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}
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break;
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case 16:
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case 8: /* not seen (encoder only) */
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vgmstream->coding_type = coding_PCM8_U;
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vgmstream->num_samples = pcm8_bytes_to_samples(data_size, track_channels);
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break;
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case 16: /* common [San Francisco Rush 2049 (DC)] */
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->num_samples = read_32bitLE(0x14,streamFile)/2/channel_count;
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if (loop_flag) {
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vgmstream->loop_start_sample = 0;
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vgmstream->loop_end_sample = read_32bitLE(0x14,streamFile)/2/channel_count;
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}
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vgmstream->num_samples = pcm16_bytes_to_samples(data_size, track_channels);
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break;
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default:
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goto fail;
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}
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start_offset = 0x800;
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vgmstream->channels = channel_count;
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vgmstream->sample_rate = read_32bitLE(0x04,streamFile);
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if (vgmstream->channels == 1) {
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vgmstream->layout_type = layout_none;
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} else if (vgmstream->channels > 1) {
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vgmstream->interleave_block_size = interleave;
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vgmstream->layout_type = layout_interleave;
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goto fail;
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}
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vgmstream->meta_type = meta_DC_STR;
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/* open the file for reading */
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{
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int i;
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STREAMFILE * file;
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file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
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if (!file) goto fail;
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = file;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=start_offset+
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vgmstream->interleave_block_size*i;
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}
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}
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vgmstream->interleave_block_size = interleave;
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vgmstream->layout_type = layout_interleave;
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if (!vgmstream_open_stream(vgmstream, sf, start_offset))
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goto fail;
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return vgmstream;
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/* clean up anything we may have opened */
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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close_vgmstream(vgmstream);
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return NULL;
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}
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/* This handles V2, not sure if it is really V2, cause the header is always
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the same, not like in V1 and V3, only found in "102 Dalmatians - Puppies to the Rescue"
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until now... */
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VGMSTREAM * init_vgmstream_dc_str_v2(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[PATH_LIMIT];
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/* .STR - mutant Sega Dreamcast stream [102 Dalmatians: Puppies to the Rescue (DC)] */
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VGMSTREAM* init_vgmstream_str_sega_custom(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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int loop_flag = 0;
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int channel_count;
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int loop_flag, channels, sample_rate, interleave;
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uint32_t data_size;
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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("str",filename_extension(filename))) goto fail;
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/* check header */
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if ((read_32bitLE(0x00,streamFile) != 0x2))
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goto fail;
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if ((read_32bitLE(0x10,streamFile) != 0x10000))
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goto fail;
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if ((read_32bitLE(0x1C,streamFile) != 0x1F))
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/* checks */
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if (read_u32le(0x00,sf) != 0x2)
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goto fail;
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channel_count = 2;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (read_u64be(0xD4,sf) != 0x00)
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return NULL;
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if (!check_extensions(sf, "str"))
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return NULL;
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/* this looks vaguely like a STR and could be a fully new thing, but game does include Audio64.drv */
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loop_flag = 0;
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channels = 2;
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sample_rate = read_s32le(0x04,sf);
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if (read_u32le(0x08,sf) != 16)
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return NULL;
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interleave = read_s32le(0x0c,sf);
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if (read_u32le(0x10,sf) != 0x10000 ||
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read_u32le(0x14,sf) != 0x00 ||
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read_u32le(0x18,sf) != 0x00 ||
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read_u32le(0x1C,sf) != 0x1F)
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return NULL;
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start_offset = 0x800;
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data_size = get_streamfile_size(sf) - start_offset;
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channels, loop_flag);
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if (!vgmstream) goto fail;
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/* fill in the vital statistics */
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start_offset = 0x800;
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vgmstream->channels = channel_count;
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vgmstream->sample_rate = read_32bitLE(0x4,streamFile);
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vgmstream->meta_type = meta_STR_SEGA_custom;
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vgmstream->sample_rate =sample_rate;
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vgmstream->coding_type = coding_PCM16LE;
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vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)/2/channel_count;
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if (loop_flag) {
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vgmstream->loop_start_sample = 0;
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vgmstream->loop_end_sample = (get_streamfile_size(streamFile)-start_offset)/2/channel_count;
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}
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vgmstream->num_samples = pcm16_bytes_to_samples(data_size, channels);
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = read_32bitLE(0xC,streamFile);
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vgmstream->meta_type = meta_DC_STR_V2;
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/* open the file for reading */
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{
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int i;
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STREAMFILE * file;
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file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
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if (!file) goto fail;
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = file;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=start_offset+
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vgmstream->interleave_block_size*i;
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}
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}
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vgmstream->interleave_block_size = interleave;
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if (!vgmstream_open_stream(vgmstream, sf, start_offset))
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goto fail;
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return vgmstream;
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/* clean up anything we may have opened */
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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close_vgmstream(vgmstream);
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return NULL;
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}
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@ -260,8 +260,8 @@ VGMSTREAM * init_vgmstream_aix(STREAMFILE * streamFile);
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VGMSTREAM* init_vgmstream_wvs_xbox(STREAMFILE* sf);
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VGMSTREAM* init_vgmstream_wvs_ngc(STREAMFILE* sf);
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VGMSTREAM * init_vgmstream_dc_str(STREAMFILE *streamFile);
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VGMSTREAM * init_vgmstream_dc_str_v2(STREAMFILE *streamFile);
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VGMSTREAM* init_vgmstream_str_sega(STREAMFILE* sf);
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VGMSTREAM* init_vgmstream_str_sega_custom(STREAMFILE* sf);
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VGMSTREAM * init_vgmstream_dec(STREAMFILE *streamFile);
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@ -105,12 +105,10 @@ init_vgmstream_t init_vgmstream_functions[] = {
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init_vgmstream_aix,
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init_vgmstream_wvs_xbox,
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init_vgmstream_wvs_ngc,
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init_vgmstream_dc_str,
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init_vgmstream_dc_str_v2,
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init_vgmstream_str_sega,
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init_vgmstream_str_sega_custom,
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init_vgmstream_dec,
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init_vgmstream_vs,
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init_vgmstream_dc_str,
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init_vgmstream_dc_str_v2,
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init_vgmstream_xmu,
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init_vgmstream_xvas,
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init_vgmstream_sat_sap,
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@ -345,8 +345,8 @@ typedef enum {
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meta_PS2_VAS, /* Pro Baseball Spirits 5 */
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meta_LP_AP_LEP,
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meta_SDT, /* Baldur's Gate - Dark Alliance */
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meta_DC_STR, /* SEGA Stream Asset Builder */
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meta_DC_STR_V2, /* variant of SEGA Stream Asset Builder */
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meta_STR_SEGA,
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meta_STR_SEGA_custom,
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meta_SAP,
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meta_DC_IDVI, /* Eldorado Gate */
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meta_KRAW, /* Geometry Wars - Galaxies */
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