diff --git a/nx/include/switch/services/irs.h b/nx/include/switch/services/irs.h
index 8c216922..ff0b0ab9 100644
--- a/nx/include/switch/services/irs.h
+++ b/nx/include/switch/services/irs.h
@@ -10,6 +10,45 @@
 #include "../services/sm.h"
 #include "../services/hid.h"
 
+typedef struct {
+    u64 unk_x0;
+    u8  unk_x8;
+    u8  unk_x9;
+    u8  unk_xa;
+    u8  pad[5];
+    u16 unk_x10;
+    u32 unk_x12;
+    u16 unk_x16;
+    u32 unk_constant;//offset 0x18
+    u8  unk_x1c;
+    u8  unk_x1d;
+    u8  pad2[2];
+} PACKED irsPackedMomentProcessorConfig;
+
+typedef struct {
+    u64 unk_x0;
+    u32 unk_x8;
+    u32 unk_xc;
+    u8  unk_x10;
+    u8  pad[7];
+    u32 unk_x18;
+} irsImageTransferProcessorConfig;
+
+typedef struct {
+    u64 unk_x0;
+    u8  unk_x8;
+    u8  unk_x9;
+    u8  unk_xa;
+    u8  pad[5];
+    u32 unk_constant;//offset 0x10
+    u8  unk_x14;
+    u8  pad2[3];
+} irsPackedImageTransferProcessorConfig;
+
+typedef struct {
+    u8 unk_x0[0x10];
+} PACKED irsImageTransferProcessorState;
+
 Result irsInitialize(void);
 void irsExit(void);
 
@@ -20,3 +59,24 @@ void* irsGetSharedmemAddr(void);
 Result irsActivateIrsensor(bool activate);
 
 Result irsGetIrCameraHandle(u32 *IrCameraHandle, HidControllerID id);
+
+/**
+ * @brief Start ImageTransferProcessor.
+ * @param[in] IrCameraHandle Camera handle.
+ * @param[in] config Input config.
+ * @param[in] size Work-buffer size, must be 0x1000-byte aligned.
+ * @note Do not use if already started.
+ */
+Result irsRunImageTransferProcessor(u32 IrCameraHandle, irsImageTransferProcessorConfig *config, size_t size);
+
+Result irsGetImageTransferProcessorState(u32 IrCameraHandle, void* buffer, size_t size, irsImageTransferProcessorState *state);
+
+/// Stop ImageTransferProcessor. Do not use if already stopped.
+/// \ref irsExit calls this with all IrCameraHandles which were not already used with \ref irsStopImageProcessor.
+Result irsStopImageProcessor(u32 IrCameraHandle);
+
+/// "Suspend" ImageTransferProcessor.
+/// TODO: What does this really do?
+Result irsSuspendImageProcessor(u32 IrCameraHandle);
+
+void irsGetDefaultImageTransferProcessorConfig(irsImageTransferProcessorConfig *config);
diff --git a/nx/source/services/irs.c b/nx/source/services/irs.c
index c395a861..51230972 100644
--- a/nx/source/services/irs.c
+++ b/nx/source/services/irs.c
@@ -7,10 +7,19 @@
 #include "services/hid.h"
 #include "services/sm.h"
 #include "kernel/shmem.h"
+#include "kernel/tmem.h"
+
+typedef struct {
+    bool initialized;
+    u32 IrCameraHandle;
+    TransferMemory transfermem;
+} irsCameraEntry;
 
 static Service g_irsSrv;
 static SharedMemory g_irsSharedmem;
-bool g_irsSensorActivated;
+static bool g_irsSensorActivated;
+
+static irsCameraEntry g_irsCameras[8];
 
 static Result _irsGetIrsensorSharedMemoryHandle(Handle* handle_out, u64 AppletResourceUserId);
 
@@ -23,6 +32,9 @@ Result irsInitialize(void)
     Handle sharedmem_handle;
     u64 AppletResourceUserId=0;
 
+    g_irsSensorActivated = 0;
+    memset(g_irsCameras, 0, sizeof(g_irsCameras));
+
     rc = appletGetAppletResourceUserId(&AppletResourceUserId);
     if (R_FAILED(rc))
         return rc;
@@ -48,12 +60,75 @@ Result irsInitialize(void)
 
 void irsExit(void)
 {
+    int i;
+    size_t entrycount = sizeof(g_irsCameras)/sizeof(irsCameraEntry);
+    irsCameraEntry *entry;
+
+    for(i=0; i<entrycount; i++) {
+        entry = &g_irsCameras[i];
+        if (!entry->initialized) continue;
+        irsStopImageProcessor(entry->IrCameraHandle);
+    }
+
     irsActivateIrsensor(0);
 
     serviceClose(&g_irsSrv);
     shmemClose(&g_irsSharedmem);
 }
 
+static Result _irsCameraEntryAlloc(u32 IrCameraHandle, irsCameraEntry **out_entry) {
+    int i;
+    size_t entrycount = sizeof(g_irsCameras)/sizeof(irsCameraEntry);
+    int empty_entry = -1;
+    irsCameraEntry *entry;
+
+    if (out_entry) *out_entry = NULL;
+
+    for(i=0; i<entrycount; i++) {
+        entry = &g_irsCameras[i];
+        if (entry->initialized) {
+            if (entry->IrCameraHandle == IrCameraHandle)
+                return MAKERESULT(Module_Libnx, LibnxError_AlreadyInitialized);
+        }
+        else if (empty_entry == -1)
+            empty_entry = i;
+    }
+
+    if (empty_entry == -1)
+        return MAKERESULT(Module_Libnx, LibnxError_AlreadyInitialized);
+
+    entry = &g_irsCameras[empty_entry];
+
+    entry->initialized = 1;
+    entry->IrCameraHandle = IrCameraHandle;
+
+    if (out_entry) *out_entry = entry;
+
+    return 0;
+}
+
+static Result _irsCameraEntryGet(u32 IrCameraHandle, irsCameraEntry **out_entry) {
+    int i;
+    size_t entrycount = sizeof(g_irsCameras)/sizeof(irsCameraEntry);
+    irsCameraEntry *entry;
+    *out_entry = NULL;
+
+    for(i=0; i<entrycount; i++) {
+        entry = &g_irsCameras[i];
+        if (entry->initialized && entry->IrCameraHandle == IrCameraHandle) {
+            *out_entry = entry;
+            return 0;
+        }
+    }
+
+    return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
+}
+
+static void _irsCameraEntryFree(irsCameraEntry *entry) {
+    tmemClose(&entry->transfermem);
+    memset(entry, 0, sizeof(irsCameraEntry));
+}
+
 Service* irsGetSessionService(void) {
     return &g_irsSrv;
 }
@@ -147,6 +222,204 @@ static Result _irsGetIrsensorSharedMemoryHandle(Handle* handle_out, u64 AppletRe
     return rc;
 }
 
+static Result _irsStopImageProcessor(u32 IrCameraHandle, u64 AppletResourceUserId) {
+    IpcCommand c;
+    ipcInitialize(&c);
+
+    struct {
+        u64 magic;
+        u64 cmd_id;
+        u32 IrCameraHandle;
+        u64 AppletResourceUserId;
+    } *raw;
+
+    ipcSendPid(&c);
+
+    raw = ipcPrepareHeader(&c, sizeof(*raw));
+
+    raw->magic = SFCI_MAGIC;
+    raw->cmd_id = 305;
+    raw->IrCameraHandle = IrCameraHandle;
+    raw->AppletResourceUserId = AppletResourceUserId;
+
+    Result rc = serviceIpcDispatch(&g_irsSrv);
+
+    if (R_SUCCEEDED(rc)) {
+        IpcParsedCommand r;
+        ipcParse(&r);
+
+        struct {
+            u64 magic;
+            u64 result;
+        } *resp = r.Raw;
+
+        rc = resp->result;
+    }
+
+    return rc;
+}
+
+Result irsStopImageProcessor(u32 IrCameraHandle) {
+    Result rc=0;
+    u64 AppletResourceUserId=0;
+    irsCameraEntry *entry = NULL;
+
+    if (!serviceIsActive(&g_irsSrv))
+        return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
+
+    rc = appletGetAppletResourceUserId(&AppletResourceUserId);
+    if (R_FAILED(rc))
+        return rc;
+
+    rc = _irsCameraEntryGet(IrCameraHandle, &entry);
+    if (R_FAILED(rc))
+        return rc;
+
+    if (entry->transfermem.handle == INVALID_HANDLE)
+        return MAKERESULT(Module_Libnx, LibnxError_NotInitialized);
+
+    rc = _irsStopImageProcessor(IrCameraHandle, AppletResourceUserId);
+    _irsCameraEntryFree(entry);
+    return rc;
+}
+
+static Result _irsRunImageTransferProcessor(u32 IrCameraHandle, u64 AppletResourceUserId, irsPackedImageTransferProcessorConfig *config, Handle transfermem, u64 transfermem_size) {
+    IpcCommand c;
+    ipcInitialize(&c);
+
+    struct {
+        u64 magic;
+        u64 cmd_id;
+        u32 IrCameraHandle;
+        u64 AppletResourceUserId;
+        irsPackedImageTransferProcessorConfig config;
+        u64 TransferMemory_size;
+    } *raw;
+
+    ipcSendPid(&c);
+    ipcSendHandleCopy(&c, transfermem);
+
+    raw = ipcPrepareHeader(&c, sizeof(*raw));
+
+    raw->magic = SFCI_MAGIC;
+    raw->cmd_id = 308;
+    raw->IrCameraHandle = IrCameraHandle;
+    raw->AppletResourceUserId = AppletResourceUserId;
+    raw->TransferMemory_size = transfermem_size;
+
+    memcpy(&raw->config, config, sizeof(raw->config));
+
+    Result rc = serviceIpcDispatch(&g_irsSrv);
+
+    if (R_SUCCEEDED(rc)) {
+        IpcParsedCommand r;
+        ipcParse(&r);
+
+        struct {
+            u64 magic;
+            u64 result;
+        } *resp = r.Raw;
+
+        rc = resp->result;
+    }
+
+    return rc;
+}
+
+Result irsRunImageTransferProcessor(u32 IrCameraHandle, irsImageTransferProcessorConfig *config, size_t size) {
+    Result rc=0;
+    u64 AppletResourceUserId=0;
+    irsCameraEntry *entry = NULL;
+    irsPackedImageTransferProcessorConfig packed_config;
+
+    memset(&packed_config, 0, sizeof(packed_config));
+
+    packed_config.unk_x0 = config->unk_x0;
+    packed_config.unk_x8 = config->unk_x8;
+    packed_config.unk_x9 = config->unk_xc;
+    packed_config.unk_xa = config->unk_x10;
+    packed_config.unk_constant = 0xa0003;
+    packed_config.unk_x14 = config->unk_x18;
+
+    rc = appletGetAppletResourceUserId(&AppletResourceUserId);
+    if (R_FAILED(rc))
+        return rc;
+
+    rc = _irsCameraEntryAlloc(IrCameraHandle, &entry);
+    if (R_FAILED(rc))
+        return rc;
+
+    rc = tmemCreate(&entry->transfermem, size, Perm_None);
+    if (R_FAILED(rc)) return rc;
+
+    rc = _irsRunImageTransferProcessor(IrCameraHandle, AppletResourceUserId, &packed_config, entry->transfermem.handle, size);
+
+    if (R_FAILED(rc)) _irsCameraEntryFree(entry);
+
+    return rc;
+}
+
+static Result _irsGetImageTransferProcessorState(u32 IrCameraHandle, u64 AppletResourceUserId, void* buffer, size_t size, irsImageTransferProcessorState *state) {
+    IpcCommand c;
+    ipcInitialize(&c);
+
+    struct {
+        u64 magic;
+        u64 cmd_id;
+        u32 IrCameraHandle;
+        u64 AppletResourceUserId;
+    } *raw;
+
+    ipcSendPid(&c);
+    ipcAddRecvBuffer(&c, buffer, size, 0);
+
+    raw = ipcPrepareHeader(&c, sizeof(*raw));
+
+    raw->magic = SFCI_MAGIC;
+    raw->cmd_id = 309;
+    raw->IrCameraHandle = IrCameraHandle;
+    raw->AppletResourceUserId = AppletResourceUserId;
+
+    Result rc = serviceIpcDispatch(&g_irsSrv);
+
+    if (R_SUCCEEDED(rc)) {
+        IpcParsedCommand r;
+        ipcParse(&r);
+
+        struct {
+            u64 magic;
+            u64 result;
+            irsImageTransferProcessorState state;
+        } *resp = r.Raw;
+
+        rc = resp->result;
+
+        if (R_SUCCEEDED(rc) && state)
+            memcpy(state, &resp->state, sizeof(irsImageTransferProcessorState)); 
+    }
+
+    return rc;
+}
+
+Result irsGetImageTransferProcessorState(u32 IrCameraHandle, void* buffer, size_t size, irsImageTransferProcessorState *state) {
+    Result rc=0;
+    u64 AppletResourceUserId=0;
+
+    rc = appletGetAppletResourceUserId(&AppletResourceUserId);
+    if (R_FAILED(rc))
+        return rc;
+
+    rc = _irsGetImageTransferProcessorState(IrCameraHandle, AppletResourceUserId, buffer, size, state);
+    return rc;
+}
+
+void irsGetDefaultImageTransferProcessorConfig(irsImageTransferProcessorConfig *config) {
+    memset(config, 0, sizeof(irsImageTransferProcessorConfig));
+
+    config->unk_x0 = 0x493E0;
+    config->unk_xc = 0x8;
+}
+
 Result irsGetIrCameraHandle(u32 *IrCameraHandle, HidControllerID id) {
     IpcCommand c;
     ipcInitialize(&c);
@@ -185,3 +458,52 @@ Result irsGetIrCameraHandle(u32 *IrCameraHandle, HidControllerID id) {
     return rc;
 }
 
+static Result _irsSuspendImageProcessor(u32 IrCameraHandle, u64 AppletResourceUserId) {
+    IpcCommand c;
+    ipcInitialize(&c);
+
+    struct {
+        u64 magic;
+        u64 cmd_id;
+        u32 IrCameraHandle;
+        u64 AppletResourceUserId;
+    } *raw;
+
+    ipcSendPid(&c);
+
+    raw = ipcPrepareHeader(&c, sizeof(*raw));
+
+    raw->magic = SFCI_MAGIC;
+    raw->cmd_id = 313;
+    raw->IrCameraHandle = IrCameraHandle;
+    raw->AppletResourceUserId = AppletResourceUserId;
+
+    Result rc = serviceIpcDispatch(&g_irsSrv);
+
+    if (R_SUCCEEDED(rc)) {
+        IpcParsedCommand r;
+        ipcParse(&r);
+
+        struct {
+            u64 magic;
+            u64 result;
+        } *resp = r.Raw;
+
+        rc = resp->result;
+    }
+
+    return rc;
+}
+
+Result irsSuspendImageProcessor(u32 IrCameraHandle) {
+    Result rc=0;
+    u64 AppletResourceUserId=0;
+
+    rc = appletGetAppletResourceUserId(&AppletResourceUserId);
+    if (R_FAILED(rc))
+        return rc;
+
+    rc = _irsSuspendImageProcessor(IrCameraHandle, AppletResourceUserId);
+    return rc;
+}
+