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Fix rare EA 1SNh crashes

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This commit is contained in:
bnnm 2018-08-12 10:59:19 +02:00
parent e301bf7aa8
commit 9c6376fb25
2 changed files with 20 additions and 4 deletions
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22
src/layout/blocked_ea_1snh.c
View File

@ -11,12 +11,23 @@ void block_update_ea_1snh(off_t block_offset, VGMSTREAM * vgmstream) {
size_t file_size = get_streamfile_size(streamFile);
/* EOF reads: signal we have nothing and let the layout fail */
if (block_offset >= file_size) {
vgmstream->current_block_offset = block_offset;
vgmstream->next_block_offset = block_offset;
vgmstream->current_block_samples = -1;
return;
}
while (block_offset < file_size) {
uint32_t id = read_32bitBE(block_offset+0x00,streamFile);
block_size = read_32bitLE(block_offset+0x04,streamFile);
if (block_size > 0x00F00000) /* BE in SAT, but one file may have both BE and LE chunks */
/* BE in SAT, but one file may have both BE and LE chunks [FIFA 98 (SAT): movie LE, audio BE] */
if (guess_endianness32bit(block_offset+0x04,streamFile))
block_size = read_32bitBE(block_offset+0x04,streamFile);
else
block_size = read_32bitLE(block_offset+0x04,streamFile);
block_header = 0;
@ -31,7 +42,8 @@ void block_update_ea_1snh(off_t block_offset, VGMSTREAM * vgmstream) {
else if (id == 0x31534E64 || id == 0x534E4443) { /* "1SNd" "SNDC" audio data */
block_header = 0x08;
}
else if (id == 0x00000000) {
else if (id == 0x00000000 || id == 0xFFFFFFFF || id == 0x31534E65) { /* EOF or "1SNe" */
vgmstream->current_block_samples = -1;
break;
}
@ -42,9 +54,13 @@ void block_update_ea_1snh(off_t block_offset, VGMSTREAM * vgmstream) {
block_offset += block_size;
}
VGM_LOG("of=%lx, next=%lx, data=%x\n", block_offset, block_offset + block_size, block_size);//getchar();
vgmstream->current_block_offset = block_offset;
vgmstream->next_block_offset = block_offset + block_size;
vgmstream->current_block_size = block_size - block_header;
if (vgmstream->current_block_samples == -1)
return;
/* set new channel offsets and block sizes */

2
src/meta/ea_1snh.c
View File

@ -184,7 +184,7 @@ static void set_ea_1snh_num_samples(STREAMFILE* streamFile, off_t start_offset,
else if (id == 0x31534E64 || id == 0x534E4443) { /* "1SNd" "SNDC" audio data */
block_header = 0x08;
}
else if (id == 0x00000000) {
else if (id == 0x00000000 || id == 0xFFFFFFFF || id == 0x31534E65) { /* EOF or "1SNe" */
break;
}
else if (id == 0x31534E6C) { /* "1SNl" loop point found */