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Fix some .his [Nancy Drew: Ghost Dogs of ML (PC)]

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This commit is contained in:
bnnm 2022-12-07 21:28:59 +01:00
parent 599326a362
commit 4cbffd0c68
2 changed files with 67 additions and 24 deletions
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3
src/coding/ogg_vorbis_decoder.c
View File

@ -43,6 +43,9 @@ ogg_vorbis_codec_data* init_ogg_vorbis(STREAMFILE* sf, off_t start, off_t size,
callbacks.close_func = ov_close_func;
callbacks.tell_func = ov_tell_func;
if (!size)
size = get_streamfile_size(sf) - start;
/* test if this is a proper Ogg Vorbis file, with the current (from init_x) STREAMFILE
* (quick test without having to malloc first, though if one invoked this it'll probably success) */
{

68
src/meta/his.c
View File

@ -3,10 +3,10 @@
/* HIS - Her Interactive games [Nancy Drew series (PC)] */
VGMSTREAM * init_vgmstream_his(STREAMFILE *sf) {
VGMSTREAM * vgmstream = NULL;
int channels, loop_flag = 0, bps, sample_rate, num_samples, version;
off_t start_offset;
VGMSTREAM* init_vgmstream_his(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
int channels, loop_flag = 0, bps, sample_rate, num_samples, version, codec;
uint32_t start_offset;
/* checks */
@ -17,8 +17,10 @@ VGMSTREAM * init_vgmstream_his(STREAMFILE *sf) {
goto fail;
if (is_id32be(0x00,sf, "Her ")) { /* "Her Interactive Sound\x1a" */
/* Nancy Drew: Secrets Can Kill (PC) */
version = 0;
codec = 1;
/* Nancy Drew: Secrets Can Kill (PC) */
channels = read_u16le(0x16,sf);
sample_rate = read_u32le(0x18,sf);
/* 0x1c: bitrate */
@ -34,7 +36,7 @@ VGMSTREAM * init_vgmstream_his(STREAMFILE *sf) {
else if (is_id32be(0x00,sf, "HIS\0")) {
/* most(?) others */
version = read_u32le(0x04,sf);
/* 0x08: codec */
/* 0x08: format? (always 1) */
channels = read_u16le(0x0a,sf);
sample_rate = read_u32le(0x0c,sf);
/* 0x10: bitrate */
@ -42,28 +44,51 @@ VGMSTREAM * init_vgmstream_his(STREAMFILE *sf) {
bps = read_u16le(0x16,sf);
num_samples = pcm_bytes_to_samples(read_u32le(0x18,sf), channels, bps); /* true even for Ogg */
if (version >= 2) {
codec = read_u16le(0x1c,sf); /* 1:pcm, 2:ogg */
/* 0x1e: data or null in later(?) games */
}
else {
codec = 1;
}
/* later games use "OggS" */
if (version == 1)
if (version == 1) {
start_offset = 0x1c; /* Nancy Drew: The Final Scene (PC) */
else if (version == 2 && is_id32be(0x1e,sf, "OggS"))
start_offset = 0x1e; /* Nancy Drew: The Haunted Carousel (PC) */
else if (version == 2 && is_id32be(0x20,sf, "OggS"))
start_offset = 0x20; /* Nancy Drew: The Silent Spy (PC) */
}
else if (version == 2) {
if (codec == 1) {
uint32_t left_size = get_streamfile_size(sf) - 0x1e;
if (num_samples == pcm_bytes_to_samples(left_size, channels, bps))
start_offset = 0x1e; /* Nancy Drew: Ghost Dogs of Moon Lake (PC) */
else
start_offset = 0x20; /* assumed */
}
else if (codec == 2) {
if (read_u16le(0x1e, sf) != 0)
start_offset = 0x1e; /* Nancy Drew: The Haunted Carousel (PC) */
else
start_offset = 0x20; /* Nancy Drew: The Silent Spy (PC) */
}
else {
goto fail;
}
}
else {
goto fail;
}
}
else {
goto fail;
}
if (version == 2) {
/*
if (codec == 2) {
ogg_vorbis_meta_info_t ovmi = {0};
ovmi.meta_type = meta_HIS;
return init_vgmstream_ogg_vorbis_config(sf, start_offset, &ovmi);
}
*/
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channels, loop_flag);
@ -73,6 +98,8 @@ VGMSTREAM * init_vgmstream_his(STREAMFILE *sf) {
vgmstream->sample_rate = sample_rate;
vgmstream->num_samples = num_samples;
switch (codec) {
case 1:
switch (bps) {
case 8:
vgmstream->coding_type = coding_PCM8_U;
@ -87,6 +114,19 @@ VGMSTREAM * init_vgmstream_his(STREAMFILE *sf) {
default:
goto fail;
}
break;
case 2:
#ifdef VGM_USE_VORBIS
vgmstream->codec_data = init_ogg_vorbis(sf, start_offset, 0, NULL);
if (!vgmstream->codec_data) goto fail;
vgmstream->coding_type = coding_OGG_VORBIS;
vgmstream->layout_type = layout_none;
break;
#endif
default:
goto fail;
}
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
goto fail;