mirror of
https://github.com/vgmstream/vgmstream.git
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215 lines
7.6 KiB
C
215 lines
7.6 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* PDT - Hudson's stream container [Adventure Island (GC), Muscle Champion (GC), Mario Party series (GC)] */
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VGMSTREAM * init_vgmstream_ngc_pdt(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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int loop_flag, channel_count, sample_rate;
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size_t entries, nibble_size, loop_start;
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off_t entries_offset, coefs_offset, header_offset;
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off_t channel1_offset = 0, channel2_offset = 0, coef_offset = 0;
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int total_subsongs, target_subsong = streamFile->stream_index;
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/* checks */
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if (!check_extensions(streamFile, "pdt"))
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goto fail;
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if (read_16bitBE(0x00,streamFile) != 0x01) /* version? */
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goto fail;
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if (read_32bitBE(0x04,streamFile) != 0x02 && /* Mario Party 4 (GC) */
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read_32bitBE(0x04,streamFile) != 0x04) /* Cubic Lode Runner (GC) */
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goto fail;
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if (read_32bitBE(0x08,streamFile) != 0x7d00) /* not-sample rate? */
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goto fail;
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if (read_32bitBE(0x0c,streamFile) != 0x02 && /* not-channels? */
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read_32bitBE(0x0c,streamFile) != 0x04)
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goto fail;
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entries = read_16bitBE(0x02,streamFile);
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entries_offset = read_32bitBE(0x10,streamFile);
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coefs_offset = read_32bitBE(0x14,streamFile);
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//headers_offset = read_32bitBE(0x18,streamFile); /* we'll have pointers to those two */
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//streams_offset = read_32bitBE(0x1c,streamFile);
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/* find subsongs and target header, as entries can be empty/repeated */
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{
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/* tables to cache reads as it can be kinda slow with so many loops */
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uint32_t data_offsets[0x2000];
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uint32_t entry_offset, data_offset;
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int i,j;
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if (entries > 0x2000)
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goto fail;
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total_subsongs = 0;
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if (target_subsong == 0) target_subsong = 1;
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header_offset = 0;
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for (i = 0; i < entries; i++) {
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int is_unique = 1;
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entry_offset = read_32bitBE(entries_offset + i*0x04,streamFile);
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if (entry_offset == 0x00)
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continue;
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data_offset = read_32bitBE(entry_offset+0x10,streamFile);
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/* check if current entry header was repeated (same file offset, difference in flags only) */
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for (j = 0; j < total_subsongs; j++) {
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if (data_offsets[j] == data_offset) {
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is_unique = 0;
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break;
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}
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}
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if (!is_unique)
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continue;
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data_offsets[total_subsongs] = data_offset;
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total_subsongs++;
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/* target GET, but keep going to count subsongs */
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if (!header_offset && target_subsong == total_subsongs) {
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header_offset = entry_offset;
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}
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}
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}
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/* parse header */
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{
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uint8_t flags;
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size_t coef1_entry;
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off_t coef1_offset;
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flags = read_8bit(header_offset+0x00,streamFile);
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sample_rate = read_32bitBE(header_offset+0x04,streamFile);
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/* 0x01: unknown + 0x4000 */
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sample_rate = read_32bitBE(header_offset+0x04,streamFile);
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nibble_size = read_32bitBE(header_offset+0x08,streamFile);
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loop_start = read_32bitBE(header_offset+0x0c,streamFile);
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channel1_offset = read_32bitBE(header_offset+0x10,streamFile);
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coef1_entry = read_16bitBE(header_offset+0x14,streamFile);
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coef1_offset = coefs_offset + coef1_entry*0x20;
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if (flags & 0x01) {
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//size_t coef2_entry;
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//off_t coef2_offset;
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channel2_offset = read_32bitBE(header_offset+0x18,streamFile);
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/* always after coef1 in practice */
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//coef2_entry = read_16bitBE(header_offset+0x1c,streamFile);
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//coef2_offset = coefs_offset + coef2_entry*0x20;
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//if (coef1_offset + 0x20 != coef2_offset)
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// goto fail;
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}
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coef_offset = coef1_offset;
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loop_flag = (flags & 0x02);
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channel_count = (flags & 0x01) ? 2 : 1;
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}
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count, loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->sample_rate = sample_rate;
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//vgmstream->num_samples = dsp_bytes_to_samples(data_size, channel_count);//todo remove
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vgmstream->num_samples = dsp_nibbles_to_samples(nibble_size);
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//vgmstream->loop_start_sample = dsp_bytes_to_samples(loop_start, channel_count);//todo remove
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vgmstream->loop_start_sample = dsp_nibbles_to_samples(loop_start);
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vgmstream->loop_end_sample = vgmstream->num_samples;
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vgmstream->meta_type = meta_NGC_PDT;
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_none;
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dsp_read_coefs_be(vgmstream, streamFile, coef_offset, 0x20);
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vgmstream->num_streams = total_subsongs;
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vgmstream->stream_size = nibble_size / 2 * channel_count;
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if (!vgmstream_open_stream(vgmstream,streamFile,channel1_offset))
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goto fail;
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/* channels may start at slightly separated offsets */
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if (channel_count == 2) {
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vgmstream->ch[1].channel_start_offset =
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vgmstream->ch[1].offset = channel2_offset;
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}
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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/* PDT - custom fake header for split (PDTExt) .ptd [Mario Party (GC)] */
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VGMSTREAM * init_vgmstream_ngc_pdt_split(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset;
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int loop_flag, channel_count;
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/* checks */
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if (!check_extensions(streamFile, "pdt"))
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goto fail;
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/* 0x10 fake header + chunks of the original header / data pasted together */
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if (read_32bitBE(0x00,streamFile) != 0x50445420 && /* "PDT " */
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read_32bitBE(0x04,streamFile) != 0x44535020 && /* "DSP " */
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read_32bitBE(0x08,streamFile) != 0x48454144 && /* "HEAD " */
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read_16bitBE(0x0C,streamFile) != 0x4552) /* "ER " */
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goto fail;
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start_offset = 0x800;
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channel_count = (uint16_t)(read_16bitLE(0x0E,streamFile));
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loop_flag = (read_32bitBE(0x1C,streamFile) != 2);
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count,loop_flag);
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if (!vgmstream) goto fail;
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vgmstream->sample_rate = read_32bitBE(0x14,streamFile);
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if (channel_count == 1) {
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vgmstream->num_samples = read_32bitBE(0x18,streamFile)*14/8/channel_count/2;
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if (loop_flag) {
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vgmstream->loop_start_sample = read_32bitBE(0x1C,streamFile)*14/8/channel_count/2;
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vgmstream->loop_end_sample = read_32bitBE(0x18,streamFile)*14/8/channel_count/2;
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}
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}
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else if (channel_count == 2) {
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vgmstream->num_samples = read_32bitBE(0x18,streamFile)*14/8/channel_count;
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if (loop_flag) {
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vgmstream->loop_start_sample = read_32bitBE(0x1C,streamFile)*14/8/channel_count;
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vgmstream->loop_end_sample = read_32bitBE(0x18,streamFile)*14/8/channel_count;
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}
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}
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else {
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goto fail;
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}
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vgmstream->meta_type = meta_NGC_PDT;
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_none;
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dsp_read_coefs_be(vgmstream, streamFile, 0x50, 0x20);
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if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
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goto fail;
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if (channel_count == 2) {
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vgmstream->ch[1].channel_start_offset =
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vgmstream->ch[1].offset = ((get_streamfile_size(streamFile)+start_offset) / channel_count);
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}
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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