mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-14 23:52:53 +01:00
69 lines
2.2 KiB
C
69 lines
2.2 KiB
C
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#include "meta.h"
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#include "../coding/coding.h"
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/* PASX - from SoulCalibur II HD (X360) */
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VGMSTREAM * init_vgmstream_x360_pasx(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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off_t start_offset, chunk_offset;
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size_t data_size, chunk_size;
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int loop_flag, channel_count, sample_rate;
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int num_samples, loop_start_sample, loop_end_sample;
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/* check extension, case insensitive */
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if ( !check_extensions(streamFile,"past"))
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goto fail;
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if (read_32bitBE(0x00,streamFile) != 0x50415358) /* "PASX" */
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goto fail;
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/* custom header with a "fmt " data chunk inside */
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chunk_size = read_32bitBE(0x08,streamFile);
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data_size = read_32bitBE(0x0c,streamFile);
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chunk_offset = read_32bitBE(0x10,streamFile); /* 0x14: fmt offset end */
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start_offset = read_32bitBE(0x18,streamFile);
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channel_count = read_16bitBE(chunk_offset+0x02,streamFile);
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sample_rate = read_32bitBE(chunk_offset+0x04,streamFile);
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xma2_parse_fmt_chunk_extra(streamFile, chunk_offset, &loop_flag, &num_samples, &loop_start_sample, &loop_end_sample, 1);
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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->sample_rate = sample_rate;
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vgmstream->num_samples = num_samples;
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vgmstream->loop_start_sample = loop_start_sample;
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vgmstream->loop_end_sample = loop_end_sample;
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vgmstream->meta_type = meta_X360_PASX;
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#ifdef VGM_USE_FFMPEG
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{
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uint8_t buf[0x100];
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size_t bytes;
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bytes = ffmpeg_make_riff_xma_from_fmt_chunk(buf,0x100, chunk_offset,chunk_size, data_size, streamFile, 1);
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if (bytes <= 0) goto fail;
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vgmstream->codec_data = init_ffmpeg_header_offset(streamFile, buf,bytes, start_offset,data_size);
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if ( !vgmstream->codec_data ) goto fail;
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vgmstream->coding_type = coding_FFmpeg;
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vgmstream->layout_type = layout_none;
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}
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#else
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goto fail;
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#endif
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/* open the file for reading */
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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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