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Read .ogg TITLE as stream name and tweaks

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This commit is contained in:
bnnm 2019-08-10 17:27:06 +02:00
parent 37af5c4166
commit d4651feded
1 changed files with 17 additions and 3 deletions
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20
src/meta/ogg_vorbis.c
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@ -108,12 +108,16 @@ static void kovs_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, v
}
static void psychic_ogg_decryption_callback(void *ptr, size_t size, size_t nmemb, void *datasource) {
ogg_vorbis_streamfile * const ov_streamfile = datasource;
size_t bytes_read = size*nmemb;
uint8_t key[6] = { 0x23,0x31,0x20,0x2e,0x2e,0x28 };
int i;
/* bytes add 0x23 ('#') */ //todo incorrect, add changes every 0x64 bytes
//todo incorrect, picked value changes (fixed order for all files), or key is bigger
/* bytes add key that changes every 0x64 bytes */
for (i = 0; i < bytes_read; i++) {
((uint8_t*)ptr)[i] += 0x23;
int pos = (ov_streamfile->offset + i) / 0x64;
((uint8_t*)ptr)[i] += key[pos % sizeof(key)];
}
}
@ -455,6 +459,7 @@ VGMSTREAM * init_vgmstream_ogg_vorbis_callbacks(STREAMFILE *streamFile, ov_callb
ogg_vorbis_codec_data * data = NULL;
OggVorbis_File *ovf = NULL;
vorbis_info *vi;
char name[STREAM_NAME_SIZE] = {0};
int loop_flag = ovmi->loop_flag;
int32_t loop_start = ovmi->loop_start;
@ -626,6 +631,10 @@ VGMSTREAM * init_vgmstream_ogg_vorbis_callbacks(STREAMFILE *streamFile, ov_callb
data->disable_reordering = 1;
}
if (strstr(user_comment, "TITLE=") == user_comment) {
strncpy(name, user_comment + 6, sizeof(name) - 1);
}
;VGM_LOG("OGG: user_comment=%s\n", user_comment);
}
}
@ -638,9 +647,14 @@ VGMSTREAM * init_vgmstream_ogg_vorbis_callbacks(STREAMFILE *streamFile, ov_callb
vgmstream->codec_data = data; /* store our fun extra datas */
vgmstream->channels = vi->channels;
vgmstream->sample_rate = vi->rate;
vgmstream->num_streams = ovmi->total_subsongs;
vgmstream->stream_size = stream_size;
if (ovmi->total_subsongs) /* not setting it has some effect when showing stream names */
vgmstream->num_streams = ovmi->total_subsongs;
if (name[0] != '\0')
strcpy(vgmstream->stream_name, name);
vgmstream->num_samples = ov_pcm_total(ovf,-1); /* let libvorbisfile find total samples */
if (loop_flag) {
vgmstream->loop_start_sample = loop_start;