subs: move text sub loading logic down to find_subfiles.c

Move path handling for loading external subtitle files from mplayer.c
to find_subfiles.c. Now the remaining code in mplayer.c only gets a
list of potential filenames and tries opening those.

3 files changed, 17 insertions, 11 deletions

diff --git a/mplayer.c b/mplayer.c
index 34e98d699d..59dff418d9 100644
--- a/mplayer.c
+++ b/mplayer.c
@@ -4569,15 +4569,12 @@ if(vo_spudec==NULL &&
         add_subtitles(mpctx, opts->sub_name[i], sub_fps, 0);
   }
   if(opts->sub_auto) { // auto load sub file ...
-    char *psub = get_path( "sub/" );
-    char **tmp = sub_filenames((psub ? psub : ""), mpctx->filename);
-    int i = 0;
-    free(psub); // release the buffer created by get_path() above
-    while (tmp[i]) {
-        add_subtitles(mpctx, tmp[i], sub_fps, 1);
-        free(tmp[i++]);
-    }
-    free(tmp);
+      char **tmp = find_text_subtitles(mpctx->filename);
+      for (int i = 0; tmp[i]; i++) {
+          add_subtitles(mpctx, tmp[i], sub_fps, 1);
+          free(tmp[i]);
+      }
+      free(tmp);
   }
   if (mpctx->set_of_sub_size > 0)
       mpctx->sub_counts[SUB_SOURCE_SUBS] = mpctx->set_of_sub_size;
diff --git a/sub/find_subfiles.c b/sub/find_subfiles.c
index 72a6887bf6..19ee0f065b 100644
--- a/sub/find_subfiles.c
+++ b/sub/find_subfiles.c
@@ -4,6 +4,7 @@
 #include <ctype.h>
 
 #include "mp_msg.h"
+#include "path.h"
 #include "sub/find_subfiles.h"
 #include "sub/sub.h"
 
@@ -85,7 +86,7 @@ static int compare_sub_priority(const void *a, const void *b)
     }
 }
 
-char **sub_filenames(const char *path, char *fname)
+static char **sub_filenames(const char *path, const char *fname)
 {
     char *f_dir, *f_fname, *f_fname_noext, *f_fname_trim, *tmp, *tmp_sub_id;
     char *tmp_fname_noext, *tmp_fname_trim, *tmp_fname_ext, *tmpresult;
@@ -269,3 +270,11 @@ char **sub_filenames(const char *path, char *fname)
 
     return result2;
 }
+
+char **find_text_subtitles(const char *fname)
+{
+    char *psub = get_path("sub/");
+    char **tmp = sub_filenames(psub ? psub : "", fname);
+    free(psub);
+    return tmp;
+}
diff --git a/sub/find_subfiles.h b/sub/find_subfiles.h
index 06105747dc..c9b0c9137e 100644
--- a/sub/find_subfiles.h
+++ b/sub/find_subfiles.h
@@ -21,6 +21,6 @@
 
 #define MAX_SUBTITLE_FILES 128
 
-char **sub_filenames(const char *path, char *fname);
+char **find_text_subtitles(const char *fname);
 
 #endif /* MPLAYER_FINDFILES_H */