From 1ffe9eae43c48758377c559e54bb152d5fd01e42 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Andr=C3=A9=20Santoni?= <jean.andre.santoni@gmail.com>
Date: Sun, 27 Sep 2015 00:12:17 +0200
Subject: [PATCH] Implement PSP scanning

---
 tasks/task_database.c     | 18 +++++++++++
 tasks/task_database_cue.c | 66 +++++++++++++++++++++++++++++++++++++++
 tasks/tasks.h             |  2 ++
 3 files changed, 86 insertions(+)

diff --git a/tasks/task_database.c b/tasks/task_database.c
index f963c34123..6a7b2c31ef 100644
--- a/tasks/task_database.c
+++ b/tasks/task_database.c
@@ -33,6 +33,7 @@
 
 #define HASH_EXTENSION_ZIP 0x0b88c7d8U
 #define HASH_EXTENSION_CUE 0x0b886782U
+#define HASH_EXTENSION_ISO 0x0b8880d0U
 
 #ifndef COLLECTION_SIZE
 #define COLLECTION_SIZE 99999
@@ -153,6 +154,18 @@ static int cue_get_serial(database_state_handle_t *db_state,
    return 0;
 }
 
+static int iso_get_serial(database_state_handle_t *db_state,
+      database_info_handle_t *db, const char *name, char* serial)
+{
+   RARCH_LOG("Detected ISO image\n");
+
+   if (detect_psp_game(name, serial) == 0)
+      return 0;
+   RARCH_LOG("Found disk label '%s'\n", serial);
+
+   return 0;
+}
+
 static int database_info_iterate_playlist(
       database_state_handle_t *db_state,
       database_info_handle_t *db, const char *name)
@@ -180,6 +193,11 @@ static int database_info_iterate_playlist(
          cue_get_serial(db_state, db, name, db_state->serial);
          db->type = DATABASE_TYPE_SERIAL_LOOKUP;
          return 1;
+      case HASH_EXTENSION_ISO:
+         db_state->serial[0] = '\0';
+         iso_get_serial(db_state, db, name, db_state->serial);
+         db->type = DATABASE_TYPE_SERIAL_LOOKUP;
+         return 1;
       default:
          {
             ssize_t ret;
diff --git a/tasks/task_database_cue.c b/tasks/task_database_cue.c
index 87fd1a957c..2ad2f401df 100644
--- a/tasks/task_database_cue.c
+++ b/tasks/task_database_cue.c
@@ -269,6 +269,72 @@ int detect_ps1_game(const char *track_path, char *game_id)
 }
 #endif
 
+int detect_psp_game(const char *track_path, char *game_id)
+{
+   bool rv = false;
+   unsigned pos;
+   RFILE *fd = retro_fopen(track_path, RFILE_MODE_READ, -1);
+
+   if (!fd)
+   {
+      RARCH_LOG("Could not open data track: %s\n", strerror(errno));
+      return -errno;
+   }
+
+   for (pos = 0; pos < 100000; pos++)
+   {
+      retro_fseek(fd, pos, SEEK_SET);
+
+      if (retro_fread(fd, game_id, 5) > 0)
+      {
+         game_id[5] = '\0';
+         if (!strcmp(game_id, "ULES-")
+          || !strcmp(game_id, "ULUS-")
+          || !strcmp(game_id, "ULJS-")
+
+          || !strcmp(game_id, "ULEM-")
+          || !strcmp(game_id, "ULUM-")
+          || !strcmp(game_id, "ULJM-")
+
+          || !strcmp(game_id, "UCES-")
+          || !strcmp(game_id, "UCUS-")
+          || !strcmp(game_id, "UCJS-")
+          || !strcmp(game_id, "UCAS-")
+
+          || !strcmp(game_id, "NPEH-")
+          || !strcmp(game_id, "NPUH-")
+          || !strcmp(game_id, "NPJH-")
+
+          || !strcmp(game_id, "NPEG-")
+          || !strcmp(game_id, "NPUG-")
+          || !strcmp(game_id, "NPJG-")
+          || !strcmp(game_id, "NPHG-")
+
+          || !strcmp(game_id, "NPEZ-")
+          || !strcmp(game_id, "NPUZ-")
+          || !strcmp(game_id, "NPJZ-")
+         )
+         {
+            retro_fseek(fd, pos, SEEK_SET);
+            if (retro_fread(fd, game_id, 10) > 0)
+            {
+               //game_id[4] = '-';
+               //game_id[8] = game_id[9];
+               //game_id[9] = game_id[10];
+               game_id[10] = '\0';
+               rv = true;
+            }
+            break;
+         }
+      }
+      else
+         break;
+   }
+
+   retro_fclose(fd);
+   return rv;
+}
+
 int detect_system(const char *track_path, int32_t offset,
         const char **system_name)
 {
diff --git a/tasks/tasks.h b/tasks/tasks.h
index 961636ee81..65d54631b3 100644
--- a/tasks/tasks.h
+++ b/tasks/tasks.h
@@ -112,6 +112,8 @@ int detect_system(const char* track_path, int32_t offset,
 
 int detect_ps1_game(const char *track_path, char *game_id);
 
+int detect_psp_game(const char *track_path, char *game_id);
+
 #ifdef __cplusplus
 }
 #endif