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Improve handling of truncated Wwise files (VORBIS/IMA)

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This commit is contained in:
bnnm 2017-04-14 01:05:55 +02:00
parent 297a311319
commit e5f2ab0236
1 changed files with 15 additions and 5 deletions
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20
src/meta/wwise.c
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@ -12,6 +12,7 @@ typedef enum { PCM, IMA, VORBIS, DSP, XMA2, XWMA, AAC, HEVAG, ATRAC9 } wwise_cod
typedef struct {
int big_endian;
size_t file_size;
int truncated;
/* chunks references */
off_t fmt_offset;
@ -156,12 +157,13 @@ VGMSTREAM * init_vgmstream_wwise(STREAMFILE *streamFile) {
ww.codec = DSP;
}
/* This happens in some IMA/VORBIS files (ex. Oddworld PSV, Bayonetta 2 WiiU sfx), which are truncated
* Maybe they are split and meant to be joined in memory? */
/* Some Wwise files (ex. Oddworld PSV, Bayonetta 2 WiiU sfx) are truncated mirrors of another file.
* They come in RAM banks, probably to play the beginning while the rest of the real stream loads.
* We'll add basic support to avoid complaints of this or that .wem not playing */
if (ww.data_size > ww.file_size) {
VGM_LOG("WWISE: bad data size (real=0x%x > riff=0x%x)\n", ww.data_size, ww.file_size);
if (ww.codec == IMA || ww.codec == VORBIS)
ww.data_size = ww.file_size - ww.data_offset;
//VGM_LOG("WWISE: truncated data size (prefetch): (real=0x%x > riff=0x%x)\n", ww.data_size, ww.file_size);
if (ww.codec == IMA || ww.codec == VORBIS) /* only seen in those, probably other exist */
ww.truncated = 1;
else
goto fail;
}
@ -201,6 +203,9 @@ VGMSTREAM * init_vgmstream_wwise(STREAMFILE *streamFile) {
vgmstream->interleave_block_size = ww.block_align;
vgmstream->codec_endian = ww.big_endian;
if (ww.truncated) /* enough to get real samples */
ww.data_size = ww.file_size - ww.data_offset;
vgmstream->num_samples = ms_ima_bytes_to_samples(ww.data_size, ww.block_align, ww.channels);
break;
@ -343,6 +348,11 @@ VGMSTREAM * init_vgmstream_wwise(STREAMFILE *streamFile) {
vgmstream->codec_endian = ww.big_endian;
start_offset = start_offset + audio_offset;
/* Vorbis is VBR so this is very approximate, meh */
if (ww.truncated)
vgmstream->num_samples = 500;// vgmstream->num_samples * (ww.file_size - start_offset) / ww.data_size;
break;
}
#endif