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48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* RSTM - from Rockstar games [Midnight Club 3, Bully - Canis Canim Edit (PS2)] */
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VGMSTREAM* init_vgmstream_rstm_rockstar(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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uint32_t start_offset;
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int channels, loop_flag;
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/* checks */
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if (!is_id32be(0x00, sf, "RSTM"))
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return NULL;
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/* .rsm: in filelist
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* .rstm: header id */
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if (!check_extensions(sf,"rsm,rstm"))
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return NULL;
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loop_flag = (read_s32le(0x24,sf) > 0);
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channels = read_s32le(0x0C,sf);
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start_offset = 0x800;
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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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vgmstream->meta_type = meta_RSTM_ROCKSTAR;
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vgmstream->sample_rate = read_s32le(0x08,sf);
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vgmstream->num_samples = ps_bytes_to_samples(read_u32le(0x20,sf),channels);
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vgmstream->loop_start_sample = ps_bytes_to_samples(read_u32le(0x24,sf),channels);
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vgmstream->loop_end_sample = vgmstream->num_samples;
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x10;
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/* open the file for reading */
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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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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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