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https://github.com/vgmstream/vgmstream.git
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ded69c17d7
add AUS Xbox support add RND PS2 support git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@424 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
#include "meta.h"
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#include "../util.h"
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/* Sony .ADS with SShd & SSbd Headers */
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VGMSTREAM * init_vgmstream_ps2_ads(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[260];
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int loop_flag=0;
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int channel_count;
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off_t start_offset,test_offset;
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int i;
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/* check extension, case insensitive */
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streamFile->get_name(streamFile,filename,sizeof(filename));
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if (strcasecmp("ads",filename_extension(filename)) &&
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strcasecmp("ss2",filename_extension(filename))) goto fail;
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/* check SShd Header */
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if (read_32bitBE(0x00,streamFile) != 0x53536864)
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goto fail;
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/* check SSbd Header */
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if (read_32bitBE(0x20,streamFile) != 0x53536264)
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goto fail;
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/* check if file is not corrupt */
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if (get_streamfile_size(streamFile)<(size_t)(read_32bitLE(0x24,streamFile) + 0x28))
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goto fail;
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/* check loop */
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loop_flag = (read_32bitLE(0x1C,streamFile)!=0xFFFFFFFF);
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channel_count=read_32bitLE(0x10,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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/* fill in the vital statistics */
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vgmstream->channels = read_32bitLE(0x10,streamFile);
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vgmstream->sample_rate = read_32bitLE(0x0C,streamFile);
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/* Check for Compression Scheme */
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vgmstream->coding_type = coding_PSX;
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vgmstream->num_samples = (read_32bitLE(0x24,streamFile)-0x40)/16*28/vgmstream->channels;
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/* SS2 container with RAW Interleaved PCM */
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if (read_32bitLE(0x08,streamFile)!=0x10) {
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vgmstream->coding_type=coding_PCM16LE;
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vgmstream->num_samples = read_32bitLE(0x24,streamFile)/2/vgmstream->channels;
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}
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vgmstream->interleave_block_size = read_32bitLE(0x14,streamFile);
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vgmstream->layout_type = layout_interleave;
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vgmstream->meta_type = meta_PS2_SShd;
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/* Get loop point values */
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if(vgmstream->loop_flag) {
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if(vgmstream->interleave_block_size==0x10) {
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vgmstream->loop_start_sample = read_32bitLE(0x18,streamFile);
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vgmstream->loop_end_sample = vgmstream->num_samples;
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} else {
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vgmstream->loop_start_sample = (read_32bitLE(0x18,streamFile)*0x10)/16*28;
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vgmstream->loop_end_sample = (read_32bitLE(0x1C,streamFile)*0x10)/16*28;
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}
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}
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/* don't know why, but it does happen, in ps2 too :( */
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if (vgmstream->loop_end_sample > vgmstream->num_samples)
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vgmstream->loop_end_sample = vgmstream->num_samples;
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start_offset=0x28;
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// Hack for files with start_offset = 0x800
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if(get_streamfile_size(streamFile)-read_32bitLE(0x24,streamFile)>=0x800)
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start_offset=0x800;
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/* open the file for reading by each channel */
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{
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = streamFile->open(streamFile,filename,0x8000);
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if (!vgmstream->ch[i].streamfile) goto fail;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=
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(off_t)(start_offset+vgmstream->interleave_block_size*i);
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}
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}
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return vgmstream;
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/* clean up anything we may have opened */
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fail:
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if (vgmstream) close_vgmstream(vgmstream);
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return NULL;
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}
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