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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* MSV - from Sony MultiStream format [Fight Club (PS2), PoPcap Hits Vol. 1 (PS2)] */
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VGMSTREAM* init_vgmstream_msv(STREAMFILE* sf) {
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VGMSTREAM* vgmstream = NULL;
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off_t start_offset;
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size_t channel_size;
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int loop_flag, channels;
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if (!is_id32be(0x00,sf, "MSVp"))
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goto fail;
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/* checks */
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/* .msv: actual extension
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* .msvp: header ID */
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if (!check_extensions(sf,"msv,msvp"))
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goto fail;
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channels = 1;
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channel_size = read_u32be(0x0c,sf);
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loop_flag = 0; /* no looping and last 16 bytes (end frame) are removed, from Sony's docs */
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start_offset = 0x30;
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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_MSV;
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vgmstream->sample_rate = read_u32be(0x10,sf);
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vgmstream->num_samples = ps_bytes_to_samples(channel_size, 1);
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_none;
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read_string(vgmstream->stream_name,0x10+1, 0x20,sf);
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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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