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Add .gwd Ogg [Adagio Cloudburst (PC)]

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This commit is contained in:
bnnm 2018-05-19 11:37:21 +02:00
parent f1f165a815
commit a57134dc2b
3 changed files with 25 additions and 0 deletions
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2
src/formats.c
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@ -135,6 +135,7 @@ static const char* extension_list[] = {
"gms",
"gsb",
"gtd",
"gwm",
"hca",
"hgc1",
@ -1014,6 +1015,7 @@ static const meta_info meta_info_list[] = {
{meta_UBI_BAO, "Ubisoft BAO header"},
{meta_DSP_SWITCH_AUDIO, "UE4 Switch Audio header"},
{meta_TA_AAC_VITA, "tri-Ace AAC (Vita) header"},
{meta_OGG_GWM, "Ogg Vorbis (GWM header)"},
#ifdef VGM_USE_FFMPEG
{meta_FFmpeg, "FFmpeg supported file format"},

22
src/meta/ogg_vorbis.c
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@ -215,6 +215,17 @@ static void ys8_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, vo
}
}
static void gwm_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
size_t bytes_read = size*nmemb;
ogg_vorbis_streamfile * const ov_streamfile = datasource;
int i;
/* bytes are xor'd with key */
for (i = 0; i < bytes_read; i++) {
((uint8_t*)ptr)[i] ^= (uint8_t)ov_streamfile->xor_value;
}
}
/* Ogg Vorbis, by way of libvorbisfile; may contain loop comments */
VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
ogg_vorbis_meta_info_t ovmi = {0};
@ -227,6 +238,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
int is_isd = 0;
int is_rpgmvo = 0;
int is_eno = 0;
int is_gwm = 0;
/* check extension */
@ -248,6 +260,8 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
is_rpgmvo = 1;
} else if (check_extensions(streamFile,"eno")) { /* .eno: Metronomicon (PC) */
is_eno = 1;
} else if (check_extensions(streamFile,"gwm")) { /* .gwm: Adagio: Cloudburst (PC) */
is_gwm = 1;
} else {
goto fail;
}
@ -342,6 +356,14 @@ VGMSTREAM * init_vgmstream_ogg_vorbis(STREAMFILE *streamFile) {
}
/* check GWM [Adagio: Cloudburst (PC)], encrypted */
if (is_gwm) {
ovmi.xor_value = 0x5D;
ovmi.decryption_callback = gwm_ogg_decryption_callback;
ovmi.meta_type = meta_OGG_GWM;
}
return init_vgmstream_ogg_vorbis_callbacks(streamFile, NULL, start_offset, &ovmi);
fail:

1
src/vgmstream.h
View File

@ -676,6 +676,7 @@ typedef enum {
meta_UBI_BAO, /* Ubisoft BAO */
meta_DSP_SWITCH_AUDIO, /* Gal Gun 2 (Switch) */
meta_TA_AAC_VITA, /* tri-Ace AAC (Judas Code) */
meta_OGG_GWM, /* Ogg Vorbis with encryption [Metronomicon (PC)] */
#ifdef VGM_USE_FFMPEG
meta_FFmpeg,