Add ADM3 .wem [MotoGP 21 (PC)]

src/formats.c

@@ -1393,6 +1393,7 @@ static const meta_info meta_info_list[] = {
         {meta_SSPF,                 "Konami SSPF header"},
         {meta_S3V,                  "Konami S3V header"},
         {meta_ESF,                  "Eurocom ESF header"},
+        {meta_ADM3,                 "Crankcase ADM3 header"},
 };
 
 void get_vgmstream_coding_description(VGMSTREAM* vgmstream, char* out, size_t out_size) {

src/libvgmstream.vcxproj

@@ -310,6 +310,7 @@
     <ClCompile Include="meta\acb.c" />
     <ClCompile Include="meta\acm.c" />
     <ClCompile Include="meta\acx.c" />
+    <ClCompile Include="meta\adm3.c" />
     <ClCompile Include="meta\adp_konami.c" />
     <ClCompile Include="meta\adpcm_capcom.c" />
     <ClCompile Include="meta\ads_midway.c" />

src/libvgmstream.vcxproj.filters

@@ -415,6 +415,9 @@
     <ClCompile Include="meta\acx.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="meta\adm3.c">
+      <Filter>meta\Source Files</Filter>
+    </ClCompile>
     <ClCompile Include="meta\adp_konami.c">
       <Filter>meta\Source Files</Filter>
     </ClCompile>

src/meta/adm3.c

@@ -0,0 +1,152 @@
+#include "meta.h"
+#include "../coding/coding.h"
+
+
+typedef struct {
+    int total_subsongs;
+    int target_subsong;
+
+    uint32_t stream_offset;
+    uint32_t stream_size;
+
+    int loop_flag;
+    int sample_rate;
+    int channels;
+    int32_t num_samples;
+} adm3_header_t;
+
+static int parse_adm3(adm3_header_t* adm3, STREAMFILE* sf);
+
+
+/* ADM3 - Crankcase Audio REV plugin file [Cyberpunk 2077 (PC), MotoGP 21 (PC)] */
+VGMSTREAM* init_vgmstream_adm3(STREAMFILE* sf) {
+    VGMSTREAM* vgmstream = NULL;
+    adm3_header_t adm3 = {0};
+
+
+    /* checks */
+    if (!is_id32be(0x00,sf, "ADM3"))
+        goto fail;
+    if (!check_extensions(sf, "wem"))
+        goto fail;
+
+    adm3.target_subsong = sf->stream_index;
+    if (adm3.target_subsong == 0) adm3.target_subsong = 1;
+
+    /* ADM3 are files used with the Wwise Crankaudio plugin, that simulate engine noises with
+     * base internal samples and some internal RPM config (probably). Actual file seems to
+     * define some combo of samples, this only plays those separate samples.
+     * Decoder is basically Apple's IMA (internally just "ADPCMDecoder") but transforms to float
+     * each sample during decode by multiplying by 0.000030518509 */
+
+    if (!parse_adm3(&adm3, sf))
+        goto fail;
+
+
+    /* build the VGMSTREAM */
+    vgmstream = allocate_vgmstream(adm3.channels, adm3.loop_flag);
+    if (!vgmstream) goto fail;
+
+    vgmstream->meta_type = meta_ADM3;
+    vgmstream->sample_rate = adm3.sample_rate;
+    vgmstream->num_samples = adm3.num_samples; /* slightly lower than bytes-to-samples */
+    vgmstream->num_streams = adm3.total_subsongs;
+    vgmstream->stream_size = adm3.stream_size;
+
+    vgmstream->coding_type = coding_APPLE_IMA4;
+    vgmstream->layout_type = layout_interleave;
+    vgmstream->interleave_block_size = 0x22;
+
+    if (!vgmstream_open_stream(vgmstream, sf, adm3.stream_offset))
+        goto fail;
+    return vgmstream;
+
+fail:
+    close_vgmstream(vgmstream);
+    return NULL;
+}
+
+
+static int parse_type(adm3_header_t* adm3, STREAMFILE* sf, uint32_t offset) {
+
+    if (is_id32be(offset, sf, "RMP1")) {
+        offset = read_u32le(offset + 0x1c, sf);
+        if (!parse_type(adm3, sf, offset))
+            goto fail;
+        /* 0x24: offset to GRN1 */
+    }
+    else if (is_id32be(offset, sf, "SMB1")) {
+        uint32_t table_count  = read_u32le(offset + 0x10, sf);
+        uint32_t table_offset = read_u32le(offset + 0x18, sf);
+        int i;
+
+        for (i = 0; i < table_count; i++) {
+            uint32_t smp2_unk    = read_u32le(table_offset + i * 0x08 + 0x00, sf);
+            uint32_t smp2_offset = read_u32le(table_offset + i * 0x08 + 0x04, sf);
+
+            if (smp2_unk != 1)
+                goto fail;
+
+            if (!parse_type(adm3, sf, smp2_offset)) /* SMP2 */
+                goto fail;
+        }
+    }
+    else if (is_id32be(offset, sf, "SMP2")) {
+        adm3->total_subsongs++;
+
+        if (adm3->target_subsong == adm3->total_subsongs) {
+            /* 0x04 always 0 */
+            /* 0x08 always 0x00040000 */
+            adm3->channels = read_u32le(offset + 0x0c, sf);
+            /* 0x10 float pitch? */
+            /* 0x14 int pitch? */
+            /* 0x18 0x0001? */
+            /* 0x1a 0x0030? (header size?) */
+            adm3->sample_rate = read_s32le(offset + 0x1c, sf);
+            adm3->num_samples = read_s32le(offset + 0x20, sf);
+            adm3->stream_size = read_u32le(offset + 0x24, sf);
+            /* 0x28 1? */
+            adm3->stream_offset = read_u32le(offset + 0x2c, sf);
+        }
+    }
+    else {
+        VGM_LOG("ADM3: unknown at %x\n", offset);
+        goto fail;
+    }
+
+    return 1;
+fail:
+    return 0;
+}
+
+static int parse_adm3(adm3_header_t* adm3, STREAMFILE* sf) {
+    uint32_t offset;
+
+    /* 0x04: null */
+    /* 0x08: version? */
+    /* 0x0c: header size */
+    /* 0x10: data start */
+    /* rest unknown, looks mostly the same between files */
+
+    /* higher ramp, N samples from low to high */
+    offset = read_u32le(0x0FC, sf);
+    if (!parse_type(adm3, sf, offset)) goto fail; /* RMP1 */
+    if (read_u32le(0x100, sf) != 1) goto fail;
+
+    /* lower ramp, also N samples */
+    offset = read_u32le(0x104, sf);
+    if (!parse_type(adm3, sf, offset)) goto fail; /* RMP1 */
+    if (read_u32le(0x108, sf) != 1) goto fail;
+
+    /* idle engine */
+    offset = read_u32le(0x10c, sf);
+    if (!parse_type(adm3, sf, offset)) goto fail; /* SMP2 */
+    if (read_u32le(0x110, sf) != 1) goto fail;
+
+    if (adm3->target_subsong < 0 || adm3->target_subsong > adm3->total_subsongs || adm3->total_subsongs < 1)
+        goto fail;
+
+    return 1;
+fail:
+    return 0;
+}

src/meta/meta.h

@@ -984,4 +984,6 @@ VGMSTREAM* init_vgmstream_s3v(STREAMFILE* sf);
 
 VGMSTREAM* init_vgmstream_esf(STREAMFILE* sf);
 
+VGMSTREAM* init_vgmstream_adm3(STREAMFILE* sf);
+
 #endif /*_META_H*/

src/vgmstream.c

@@ -523,6 +523,7 @@ VGMSTREAM* (*init_vgmstream_functions[])(STREAMFILE* sf) = {
     init_vgmstream_opus_rsnd,
     init_vgmstream_s3v,
     init_vgmstream_esf,
+    init_vgmstream_adm3,
 
     /* lower priority metas (no clean header identity, somewhat ambiguous, or need extension/companion file to identify) */
     init_vgmstream_mpeg,

src/vgmstream.h

@@ -757,6 +757,7 @@ typedef enum {
     meta_SSPF,
     meta_S3V,
     meta_ESF,
+    meta_ADM3,
 
 } meta_t;