mirror of
https://github.com/vgmstream/vgmstream.git
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06e43e9c00
added block format for gsp+gsb cleaned some metas from useless stuff git-svn-id: https://vgmstream.svn.sourceforge.net/svnroot/vgmstream@519 51a99a44-fe44-0410-b1ba-c3e57ba2b86b
95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
#include "meta.h"
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#include "../util.h"
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/* JOE (found in Wall-E and some more Pixar games) */
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VGMSTREAM * init_vgmstream_ps2_joe(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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char filename[260];
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off_t start_offset;
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uint8_t testBuffer[0x10];
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off_t loopStart = 0;
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off_t loopEnd = 0;
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off_t readOffset = 0;
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size_t fileLength;
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int loop_flag;
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int channel_count;
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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("joe",filename_extension(filename))) goto fail;
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/* check header */
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if (read_32bitBE(0x0C,streamFile) != 0xCCCCCCCC)
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goto fail;
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loop_flag = 1;
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channel_count = 2;
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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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start_offset = 0x4020;
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vgmstream->channels = channel_count;
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vgmstream->sample_rate = read_32bitLE(0x0,streamFile);
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vgmstream->coding_type = coding_PSX;
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vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)*28/16/channel_count;
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fileLength = get_streamfile_size(streamFile);
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do {
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readOffset+=(off_t)read_streamfile(testBuffer,readOffset,0x10,streamFile);
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/* Loop Start */
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if(testBuffer[0x01]==0x06) {
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if(loopStart == 0) loopStart = readOffset-0x10;
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/* break; */
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}
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/* Loop End */
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if(testBuffer[0x01]==0x03) {
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if(loopEnd == 0) loopEnd = readOffset-0x10;
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/* break; */
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}
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} while (streamFile->get_offset(streamFile)<(int32_t)fileLength);
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if(loopStart == 0) {
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loop_flag = 0;
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vgmstream->num_samples = read_32bitLE(0x4,streamFile)*28/16/channel_count;
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} else {
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loop_flag = 1;
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vgmstream->loop_start_sample = (loopStart-start_offset-0x20)*28/16/channel_count;
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vgmstream->loop_end_sample = (loopEnd-start_offset+0x20)*28/16/channel_count;
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}
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vgmstream->layout_type = layout_interleave;
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vgmstream->interleave_block_size = 0x10;
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vgmstream->meta_type = meta_PS2_JOE;
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/* open the file for reading */
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{
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int i;
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STREAMFILE * file;
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file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
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if (!file) goto fail;
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for (i=0;i<channel_count;i++) {
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vgmstream->ch[i].streamfile = file;
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vgmstream->ch[i].channel_start_offset=
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vgmstream->ch[i].offset=start_offset+
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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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