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https://github.com/vgmstream/vgmstream.git
synced 2025-01-18 07:44:43 +01:00
Fix FSB5 bank loops in some subsongs
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bnnm
parent
523b59b2ba
commit
533e787cf6
156
src/meta/fsb5.c
156
src/meta/fsb5.c
@ -82,7 +82,7 @@ VGMSTREAM * init_vgmstream_fsb5(STREAMFILE *streamFile) {
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/* find target stream header and data offset, and read all needed values for later use
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* (reads one by one as the size of a single stream header is variable) */
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for (i = 1; i <= fsb5.total_subsongs; i++) {
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for (i = 0; i < fsb5.total_subsongs; i++) {
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size_t stream_header_size = 0;
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off_t data_offset = 0;
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uint32_t sample_mode1, sample_mode2; /* maybe one uint64? */
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@ -138,77 +138,83 @@ VGMSTREAM * init_vgmstream_fsb5(STREAMFILE *streamFile) {
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extraflag_size = (extraflag >> 1) & 0xFFFFFF; /* bits 25..1 (24)*/
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extraflag_end = (extraflag & 0x01); /* bit 0 (1) */
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switch(extraflag_type) {
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case 0x01: /* channels */
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fsb5.channels = read_8bit(extraflag_offset+0x04,streamFile);
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break;
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case 0x02: /* sample rate */
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fsb5.sample_rate = read_32bitLE(extraflag_offset+0x04,streamFile);
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break;
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case 0x03: /* loop info */
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fsb5.loop_start = read_32bitLE(extraflag_offset+0x04,streamFile);
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if (extraflag_size > 0x04) { /* probably not needed */
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fsb5.loop_end = read_32bitLE(extraflag_offset+0x08,streamFile);
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fsb5.loop_end += 1; /* correct compared to FMOD's tools */
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}
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/* autodetect unwanted loops */
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{
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/* like FSB4 jingles/sfx/music do full loops for no reason, but happens a lot less.
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* Most songs loop normally now with proper values [ex. Shantae, FFX] */
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int full_loop, ajurika_loops;
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/* could use the same checks as FSB4 but simplified (ex. Sonic Boom Fire & Ice jingles) */
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full_loop = fsb5.loop_start != 0x00;
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/* wrong values in some files [Pac-Man CE2 Plus (Switch) pce2p_bgm_ajurika_*.fsb] */
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ajurika_loops = fsb5.loop_start == 0x3c && fsb5.loop_end == 0x007F007F &&
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fsb5.num_samples > fsb5.loop_end + 100000; /* arbitrary limit */
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//;VGM_LOG("FSB5: loop start=%i, loop end=%i, samples=%i\n", fsb5.loop_start, fsb5.loop_end, fsb5.num_samples);
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fsb5.loop_flag = 1;
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if (!full_loop || ajurika_loops) {
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VGM_LOG("FSB5: disabled unwanted loop\n");
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fsb5.loop_flag = 0;
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/* parse target only, as flags change between subsongs */
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if (i + 1 == target_subsong) {
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switch(extraflag_type) {
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case 0x01: /* channels */
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fsb5.channels = read_8bit(extraflag_offset+0x04,streamFile);
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break;
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case 0x02: /* sample rate */
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fsb5.sample_rate = read_32bitLE(extraflag_offset+0x04,streamFile);
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break;
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case 0x03: /* loop info */
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fsb5.loop_start = read_32bitLE(extraflag_offset+0x04,streamFile);
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if (extraflag_size > 0x04) { /* probably not needed */
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fsb5.loop_end = read_32bitLE(extraflag_offset+0x08,streamFile);
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fsb5.loop_end += 1; /* correct compared to FMOD's tools */
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}
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}
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break;
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case 0x04: /* free comment, or maybe SFX info */
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break;
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case 0x05: /* unknown 32b */ //todo multistream marker?
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/* found in Tearaway Vita, value 0, first stream only */
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VGM_LOG("FSB5: flag %x with value %08x\n", extraflag_type, read_32bitLE(extraflag_offset+0x04,streamFile));
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break;
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case 0x06: /* XMA seek table */
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/* no need for it */
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break;
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case 0x07: /* DSP coefs */
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fsb5.extradata_offset = extraflag_offset + 0x04;
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break;
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case 0x09: /* ATRAC9 config */
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fsb5.extradata_offset = extraflag_offset + 0x04;
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fsb5.extradata_size = extraflag_size;
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break;
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case 0x0a: /* XWMA config */
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fsb5.extradata_offset = extraflag_offset + 0x04;
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break;
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case 0x0b: /* Vorbis setup ID and seek table */
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fsb5.extradata_offset = extraflag_offset + 0x04;
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/* seek table format:
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* 0x08: table_size (total_entries = seek_table_size / (4+4)), not counting this value; can be 0
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* 0x0C: sample number (only some samples are saved in the table)
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* 0x10: offset within data, pointing to a FSB vorbis block (with the 16b block size header)
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* (xN entries)
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*/
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break;
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case 0x0d: /* unknown 32b (config? usually 0x3fnnnn00 BE) */
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/* found in some XMA2/Vorbis/FADPCM */
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VGM_LOG("FSB5: flag %x with value %08x\n", extraflag_type, read_32bitLE(extraflag_offset+0x04,streamFile));
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break;
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default:
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VGM_LOG("FSB5: unknown extraflag 0x%x at %x + 0x04 (size 0x%x)\n", extraflag_type, (uint32_t)extraflag_offset, extraflag_size);
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break;
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//;VGM_LOG("FSB5: stream %i loop start=%i, loop end=%i, samples=%i\n", i, fsb5.loop_start, fsb5.loop_end, fsb5.num_samples);
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/* autodetect unwanted loops */
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{
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/* like FSB4 jingles/sfx/music do full loops for no reason, but happens a lot less.
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* Most songs loop normally now with proper values [ex. Shantae, FFX] */
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int full_loop, ajurika_loops, is_small;
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/* disable some jingles, it's even possible one jingle (StingerA Var1) to not have loops
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* and next one (StingerA Var2) do [Sonic Boom Fire & Ice (3DS)] */
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full_loop = fsb5.loop_start == 0 && fsb5.loop_end + 20 >= fsb5.num_samples; /* around ~15 samples less */
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/* a few longer Sonic songs shouldn't repeat, may add if other games need it */
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is_small = 0; //fsb5.num_samples < 20 * fsb5.sample_rate;
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/* wrong values in some files [Pac-Man CE2 Plus (Switch) pce2p_bgm_ajurika_*.fsb] */
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ajurika_loops = fsb5.loop_start == 0x3c && fsb5.loop_end == 0x007F007F &&
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fsb5.num_samples > fsb5.loop_end + 10000; /* arbitrary test in case some game does have those */
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fsb5.loop_flag = 1;
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if ((full_loop && is_small) || ajurika_loops) {
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VGM_LOG("FSB5: stream %i disabled unwanted loop ls=%i, le=%i, ns=%i\n", i, fsb5.loop_start, fsb5.loop_end, fsb5.num_samples);
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fsb5.loop_flag = 0;
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}
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}
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break;
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case 0x04: /* free comment, or maybe SFX info */
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break;
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case 0x05: /* unknown 32b */
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/* rare, found in Tearaway (Vita) with value 0 in first stream and
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* Shantae and the Seven Sirens (Mobile) with value 0x0003bd72 BE in #44 (Arena Town) */
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VGM_LOG("FSB5: stream %i flag %x with value %08x\n", i, extraflag_type, read_32bitLE(extraflag_offset+0x04,streamFile));
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break;
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case 0x06: /* XMA seek table */
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/* no need for it */
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break;
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case 0x07: /* DSP coefs */
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fsb5.extradata_offset = extraflag_offset + 0x04;
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break;
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case 0x09: /* ATRAC9 config */
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fsb5.extradata_offset = extraflag_offset + 0x04;
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fsb5.extradata_size = extraflag_size;
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break;
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case 0x0a: /* XWMA config */
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fsb5.extradata_offset = extraflag_offset + 0x04;
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break;
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case 0x0b: /* Vorbis setup ID and seek table */
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fsb5.extradata_offset = extraflag_offset + 0x04;
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/* seek table format:
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* 0x08: table_size (total_entries = seek_table_size / (4+4)), not counting this value; can be 0
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* 0x0C: sample number (only some samples are saved in the table)
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* 0x10: offset within data, pointing to a FSB vorbis block (with the 16b block size header)
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* (xN entries)
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*/
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break;
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case 0x0d: /* unknown 32b (config? usually 0x3fnnnn00 BE and sometimes 0x3dnnnn00 BE) */
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/* found in some XMA2/Vorbis/FADPCM */
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VGM_LOG("FSB5: stream %i flag %x with value %08x\n", i, extraflag_type, read_32bitLE(extraflag_offset+0x04,streamFile));
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break;
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default:
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VGM_LOG("FSB5: stream %i unknown flag 0x%x at %x + 0x04 (size 0x%x)\n", i, extraflag_type, (uint32_t)extraflag_offset, extraflag_size);
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break;
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}
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}
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extraflag_offset += 0x04 + extraflag_size;
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@ -216,12 +222,12 @@ VGMSTREAM * init_vgmstream_fsb5(STREAMFILE *streamFile) {
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} while (extraflag_end != 0x00);
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}
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/* stream found */
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if (i == target_subsong) {
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/* target found */
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if (i + 1 == target_subsong) {
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fsb5.stream_offset = fsb5.base_header_size + fsb5.sample_header_size + fsb5.name_table_size + data_offset;
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/* get stream size from next stream offset or full size if there is only one */
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if (i == fsb5.total_subsongs) {
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if (i + 1 == fsb5.total_subsongs) {
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fsb5.stream_size = fsb5.sample_data_size - data_offset;
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}
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else {
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@ -237,7 +243,7 @@ VGMSTREAM * init_vgmstream_fsb5(STREAMFILE *streamFile) {
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break;
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}
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/* continue searching */
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/* continue searching target */
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fsb5.sample_header_offset += stream_header_size;
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}
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/* target stream not found*/
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