mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-23 20:04:50 +01:00
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
#include "meta.h"
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#include "../coding/coding.h"
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/* PONA - from Policenauts (3DO) */
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VGMSTREAM * init_vgmstream_pona_3do(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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/* .pona: fake extension?
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* .sxd: Policenauts Pilot Disc (3DO) */
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if (!check_extensions(streamFile, "pona,sxd"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x13020000)
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goto fail;
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if (read_32bitBE(0x06,streamFile)+0x800 != get_streamfile_size(streamFile))
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goto fail;
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loop_flag = (read_32bitBE(0x0A,streamFile) != 0xFFFFFFFF);
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channel_count = 1;
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start_offset = (uint16_t)(read_16bitBE(0x04,streamFile));
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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_PONA_3DO;
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vgmstream->sample_rate = 22050;
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vgmstream->num_samples = get_streamfile_size(streamFile) - start_offset;
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if (loop_flag) {
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vgmstream->loop_start_sample = read_32bitBE(0x0A,streamFile);
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vgmstream->loop_end_sample = read_32bitBE(0x06,streamFile);
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}
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vgmstream->coding_type = coding_SDX2;
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vgmstream->layout_type = layout_none;
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if ( !vgmstream_open_stream(vgmstream, streamFile, 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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/* PONA - from Policenauts (PSX) */
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VGMSTREAM * init_vgmstream_pona_psx(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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/* .pona: fake extension? */
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if (!check_extensions(streamFile, "pona"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x00000800)
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goto fail;
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if (read_32bitBE(0x08,streamFile)+0x800 != get_streamfile_size(streamFile))
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goto fail;
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loop_flag = (read_32bitBE(0xC,streamFile) != 0xFFFFFFFF);
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channel_count = 1;
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start_offset = read_32bitBE(0x04,streamFile);
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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_PONA_PSX;
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vgmstream->sample_rate = 44100;
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vgmstream->num_samples = ps_bytes_to_samples(get_streamfile_size(streamFile) - start_offset, channel_count);
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if (loop_flag) {
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vgmstream->loop_start_sample = ps_bytes_to_samples(read_32bitBE(0x0C,streamFile), channel_count);
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vgmstream->loop_end_sample = ps_bytes_to_samples(read_32bitBE(0x08,streamFile), channel_count);
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}
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vgmstream->coding_type = coding_PSX;
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vgmstream->layout_type = layout_none;
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if ( !vgmstream_open_stream(vgmstream, streamFile, 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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