mirror of
https://github.com/vgmstream/vgmstream.git
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76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* Bioware pseudo-format (for sfx) [Star Wars: Knights of the Old Republic 1/2 (PC/Switch/iOS)] */
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VGMSTREAM* init_vgmstream_bw_mp3_riff(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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STREAMFILE* temp_sf = NULL;
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uint32_t subfile_offset = 0, subfile_size = 0;
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/* checks */
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if (read_u32be(0x00, sf) != 0xFFF360C4)
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goto fail;
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//if ((read_u32be(0x00, sf) & 0xFFF00000) != 0xFFF00000) /* no point to check other mp3s */
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// goto fail;
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if (!is_id32be(0x0d, sf, "LAME") && !is_id32be(0x1d6, sf, "RIFF"))
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goto fail;
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/* strange mix of micro empty MP3 (LAME3.93, common header) + standard RIFF */
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subfile_offset = 0x1d6;
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subfile_size = read_u32le(subfile_offset + 0x04, sf) + 0x08;
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temp_sf = setup_subfile_streamfile(sf, subfile_offset, subfile_size, "wav");
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if (!temp_sf) goto fail;
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/* init the VGMSTREAM */
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vgmstream = init_vgmstream_riff(temp_sf);
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if (!vgmstream) goto fail;
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close_streamfile(temp_sf);
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return vgmstream;
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fail:
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close_streamfile(temp_sf);
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close_vgmstream(vgmstream);
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return NULL;
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}
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/* Bioware pseudo-format (for music) [Star Wars: Knights of the Old Republic 1/2 (PC/Switch/iOS)] */
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VGMSTREAM* init_vgmstream_bw_riff_mp3(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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STREAMFILE* temp_sf = NULL;
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uint32_t subfile_offset = 0, subfile_size = 0;
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/* checks */
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if (!is_id32be(0x00, sf, "RIFF"))
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goto fail;
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if (read_u32le(0x04, sf) != 0x32)
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goto fail;
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if (get_streamfile_size(sf) <= 0x32 + 0x08) /* ? */
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goto fail;
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/* strange mix of micro RIFF (with codec 0x01, "fact" and "data" size 0)) + standard MP3 (sometimes with ID3) */
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subfile_offset = 0x3A;
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subfile_size = get_streamfile_size(sf) - subfile_offset;
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temp_sf = setup_subfile_streamfile(sf, subfile_offset, subfile_size, "mp3");
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if (!temp_sf) goto fail;
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/* init the VGMSTREAM */
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vgmstream = init_vgmstream_mpeg(temp_sf);
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if (!vgmstream) goto fail;
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close_streamfile(temp_sf);
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return vgmstream;
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fail:
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close_streamfile(temp_sf);
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close_vgmstream(vgmstream);
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return NULL;
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}
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