mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-13 07:11:04 +01:00
467ca19450
fixes: standard, wem, xwc, xwb, xnb, xwx, rak, pk, txth, genh, seg, rsd, past, p3d, nub-xma, gtd, gsp, fsb, eaac, cxs, awc, aac
144 lines
6.0 KiB
C
144 lines
6.0 KiB
C
#include "meta.h"
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#include "../layout/layout.h"
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#include "../coding/coding.h"
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/* GSP+GSB - from Tecmo's Super Swing Golf 1 & 2 (Wii), Quantum Theory (PS3/X360) */
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VGMSTREAM * init_vgmstream_gsp_gsb(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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STREAMFILE * streamHeader = NULL;
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int loop_flag, channel_count;
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off_t start_offset, chunk_offset, first_offset;
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size_t datasize;
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int codec_id;
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/* checks */
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if (!check_extensions(streamFile,"gsb"))
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goto fail;
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streamHeader = open_streamfile_by_ext(streamFile, "gsp");
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if (!streamHeader) goto fail;
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/* check header */
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if (read_32bitBE(0x00,streamHeader) != 0x47534E44) /* "GSND" */
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goto fail;
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/* 0x04: version?, 0x08: 1?, 0x0c: 0?, */
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first_offset = read_32bitBE(0x10,streamHeader); /* usually 0x14*/
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if (!find_chunk_be(streamHeader, 0x44415441,first_offset,1, &chunk_offset,NULL)) goto fail; /*"DATA"*/
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channel_count = read_16bitBE(chunk_offset+0x0e,streamHeader);
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if (!find_chunk_be(streamHeader, 0x42534943,first_offset,1, &chunk_offset,NULL)) goto fail; /*"BSIC"*/
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loop_flag = read_8bit(chunk_offset+0x0c,streamHeader);
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start_offset = 0x00;
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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->meta_type = meta_GSP_GSB;
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if (!find_chunk_be(streamHeader, 0x48454144,first_offset,1, &chunk_offset,NULL)) goto fail; /*"HEAD"*/
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/* 0x00: header_size, 0x04: num_chunks */
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if (!find_chunk_be(streamHeader, 0x44415441,first_offset,1, &chunk_offset,NULL)) goto fail; /*"DATA"*/
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/* 0x00: filesize, 0x0c: always 10?, 0x10: always 0?, 0x18: always 0? */
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datasize = read_32bitBE(chunk_offset+0x00,streamHeader);
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codec_id = read_32bitBE(chunk_offset+0x04,streamHeader);
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vgmstream->sample_rate = read_32bitBE(chunk_offset+0x08,streamHeader);
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vgmstream->num_samples = read_32bitBE(chunk_offset+0x14,streamHeader);
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/* 0x1c: unk (varies with codec_id) */
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if (!find_chunk_be(streamHeader, 0x42534943,first_offset,1, &chunk_offset,NULL)) goto fail; /*"BSIC"*/
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/* 0x00+: probably volume/pan/etc */
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vgmstream->loop_start_sample = read_32bitBE(chunk_offset+0x10,streamHeader);
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vgmstream->loop_end_sample = read_32bitBE(chunk_offset+0x14,streamHeader);
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//if (!find_chunk_be(streamHeader, 0x4E414D45,first_offset,1, &chunk_offset,NULL)) goto fail; /*"NAME"*/
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/* 0x00: name_size, 0x04+: name*/
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switch (codec_id) {
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case 0x04: { /* DSP [Super Swing Golf (Wii)] */
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size_t block_header_size;
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size_t num_blocks;
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_blocked_gsb;
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if (!find_chunk_be(streamHeader, 0x47434558,first_offset,1, &chunk_offset,NULL)) goto fail; /*"GCEX"*/
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//vgmstream->current_block_size = read_32bitBE(chunk_offset+0x00,streamHeader);
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block_header_size = read_32bitBE(chunk_offset+0x04,streamHeader);
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num_blocks = read_32bitBE(chunk_offset+0x08,streamHeader);
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vgmstream->num_samples = (datasize - block_header_size * num_blocks) / 8 / vgmstream->channels * 14;
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/* 0x0c+: unk */
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dsp_read_coefs_be(vgmstream, streamHeader, chunk_offset+0x18, 0x30);
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break;
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}
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#ifdef VGM_USE_FFMPEG
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case 0x08: { /* ATRAC3 [Quantum Theory (PS3)] */
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ffmpeg_codec_data *ffmpeg_data = NULL;
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uint8_t buf[100];
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int32_t bytes, block_size, encoder_delay, joint_stereo, max_samples;
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block_size = 0x98 * vgmstream->channels;
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joint_stereo = 0;
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max_samples = atrac3_bytes_to_samples(datasize, block_size);;
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encoder_delay = max_samples - vgmstream->num_samples; /* todo guessed */
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vgmstream->num_samples += encoder_delay;
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/* make a fake riff so FFmpeg can parse the ATRAC3 */
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bytes = ffmpeg_make_riff_atrac3(buf,100, vgmstream->num_samples, datasize, vgmstream->channels, vgmstream->sample_rate, block_size, joint_stereo, encoder_delay);
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if (bytes <= 0)
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goto fail;
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ffmpeg_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,datasize);
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if ( !ffmpeg_data ) goto fail;
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vgmstream->codec_data = ffmpeg_data;
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vgmstream->coding_type = coding_FFmpeg;
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vgmstream->layout_type = layout_none;
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vgmstream->loop_start_sample = (vgmstream->loop_start_sample / ffmpeg_data->blockAlign) * ffmpeg_data->frameSize;
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vgmstream->loop_end_sample = (vgmstream->loop_end_sample / ffmpeg_data->blockAlign) * ffmpeg_data->frameSize;
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break;
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}
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case 0x09: { /* XMA2 [Quantum Theory (PS3)] */
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ffmpeg_codec_data *ffmpeg_data = NULL;
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uint8_t buf[200];
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int32_t bytes;
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if (!find_chunk_be(streamHeader, 0x584D4558,first_offset,1, &chunk_offset,NULL)) goto fail; /*"XMEX"*/
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/* 0x00: fmt0x166 header (BE), 0x34: seek table */
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bytes = ffmpeg_make_riff_xma_from_fmt_chunk(buf,200, chunk_offset,0x34, datasize, streamHeader, 1);
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ffmpeg_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,datasize);
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if ( !ffmpeg_data ) goto fail;
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vgmstream->codec_data = ffmpeg_data;
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vgmstream->coding_type = coding_FFmpeg;
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vgmstream->layout_type = layout_none;
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xma_fix_raw_samples(vgmstream, streamFile, start_offset,datasize, 0, 0,0); /* samples are ok */
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break;
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}
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#endif
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default:
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goto fail;
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}
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if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) )
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goto fail;
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close_streamfile(streamHeader);
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return vgmstream;
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fail:
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close_streamfile(streamHeader);
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close_vgmstream(vgmstream);
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return NULL;
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}
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