diff --git a/src/formats.c b/src/formats.c
index 98a8c890..5b07351f 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -289,7 +289,7 @@ static const char* extension_list[] = {
"lmp4", //fake extension for .mp4
"lmpc", //fake extension for .mpc, FFmpeg/not parsed
"logg", //fake extension for .ogg
- "lopus", //fake extension for .opus
+ "lopus", //fake extension for .opus, used by LOPU too
"lp",
"lpcm",
"lpk",
@@ -1364,6 +1364,7 @@ static const meta_info meta_info_list[] = {
{meta_BNK_RELIC, "Relic BNK header"},
{meta_XSH_XSD_XSS, "Treyarch XSH+XSD/XSS header"},
{meta_PSB, "M2 PSB header"},
+ {meta_LOPU, "French-Break LOPU header"},
};
void get_vgmstream_coding_description(VGMSTREAM* vgmstream, char* out, size_t out_size) {
diff --git a/src/libvgmstream.vcxproj b/src/libvgmstream.vcxproj
index a73676e8..f25dfba9 100644
--- a/src/libvgmstream.vcxproj
+++ b/src/libvgmstream.vcxproj
@@ -215,6 +215,7 @@
+
diff --git a/src/libvgmstream.vcxproj.filters b/src/libvgmstream.vcxproj.filters
index 43549e5b..884630f0 100644
--- a/src/libvgmstream.vcxproj.filters
+++ b/src/libvgmstream.vcxproj.filters
@@ -1903,6 +1903,9 @@
meta\Source Files
+
+ meta\Source Files
+
meta\Source Files
diff --git a/src/meta/lopu.c b/src/meta/lopu.c
new file mode 100644
index 00000000..9d896a3e
--- /dev/null
+++ b/src/meta/lopu.c
@@ -0,0 +1,61 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+
+/* LOPU - French-Bread's Opus [Melty Blood: Type Lumina (Switch)] */
+VGMSTREAM* init_vgmstream_lopu(STREAMFILE* sf) {
+ VGMSTREAM* vgmstream = NULL;
+ int loop_flag, channels, sample_rate;
+ uint32_t start_offset, data_size;
+ int32_t num_samples, loop_start, loop_end, skip;
+
+ /* checks */
+ if (!is_id32be(0x00, sf, "LOPU"))
+ goto fail;
+
+ /* .lopus: real extension (honest) */
+ if (!check_extensions(sf, "lopus"))
+ goto fail;
+
+ start_offset = read_u32le(0x04, sf);
+ sample_rate = read_u32le(0x08, sf);
+ channels = read_s16le(0x0c, sf);
+ /* 0x10: ? (1984) */
+ num_samples = read_s32le(0x14, sf);
+ loop_start = read_s32le(0x18, sf);
+ loop_end = read_s32le(0x1c, sf) + 1;
+ /* 0x20: frame size */
+ skip = read_s16le(0x24, sf);
+ data_size = read_u32le(0x28, sf);
+ /* rest: null */
+
+ loop_flag = (loop_end > 0); /* -1 if no loop */
+ num_samples -= skip;
+
+
+ /* build the VGMSTREAM */
+ vgmstream = allocate_vgmstream(channels, loop_flag);
+ if (!vgmstream) goto fail;
+
+ vgmstream->meta_type = meta_LOPU;
+ vgmstream->sample_rate = sample_rate;
+ vgmstream->num_samples = num_samples;
+ vgmstream->loop_start_sample = loop_start;
+ vgmstream->loop_end_sample = loop_end;
+
+#ifdef VGM_USE_FFMPEG
+ vgmstream->codec_data = init_ffmpeg_switch_opus(sf, start_offset, data_size, vgmstream->channels, skip, vgmstream->sample_rate);
+ if (!vgmstream->codec_data) goto fail;
+ vgmstream->coding_type = coding_FFmpeg;
+ vgmstream->layout_type = layout_none;
+#else
+ goto fail;
+#endif
+
+ if (!vgmstream_open_stream(vgmstream, sf, start_offset))
+ goto fail;
+ return vgmstream;
+fail:
+ close_vgmstream(vgmstream);
+ return NULL;
+}
diff --git a/src/meta/meta.h b/src/meta/meta.h
index 32d354d9..5037602d 100644
--- a/src/meta/meta.h
+++ b/src/meta/meta.h
@@ -964,4 +964,6 @@ VGMSTREAM* init_vgmstream_xsh_xsd_xss(STREAMFILE* sf);
VGMSTREAM* init_vgmstream_psb(STREAMFILE* sf);
+VGMSTREAM* init_vgmstream_lopu(STREAMFILE* sf);
+
#endif /*_META_H*/
diff --git a/src/vgmstream.c b/src/vgmstream.c
index f05370cb..95bf6bd8 100644
--- a/src/vgmstream.c
+++ b/src/vgmstream.c
@@ -527,6 +527,7 @@ VGMSTREAM* (*init_vgmstream_functions[])(STREAMFILE* sf) = {
init_vgmstream_bnk_relic,
init_vgmstream_xsh_xsd_xss,
init_vgmstream_psb,
+ init_vgmstream_lopu,
/* lowest priority metas (should go after all metas, and TXTH should go before raw formats) */
init_vgmstream_txth, /* proper parsers should supersede TXTH, once added */
diff --git a/src/vgmstream.h b/src/vgmstream.h
index 8f536cbf..3aaf9e59 100644
--- a/src/vgmstream.h
+++ b/src/vgmstream.h
@@ -747,6 +747,7 @@ typedef enum {
meta_BNK_RELIC,
meta_XSH_XSD_XSS,
meta_PSB,
+ meta_LOPU,
} meta_t;