Remove camera device list functions from camera drivers

- Those will come in a future PR instead

camera/camera_driver.c

@@ -35,8 +35,6 @@ static bool nullcamera_start(void *data) { return true; }
 static bool nullcamera_poll(void *a,
       retro_camera_frame_raw_framebuffer_t b,
       retro_camera_frame_opengl_texture_t c) { return true; }
-static struct string_list *nullcamera_device_list_new() { return NULL; }
-static void nullcamera_device_list_free(struct string_list *devices) {}
 
 static camera_driver_t camera_null = {
    nullcamera_init,
@@ -44,8 +42,6 @@ static camera_driver_t camera_null = {
    nullcamera_start,
    nullcamera_stop,
    nullcamera_poll,
-   nullcamera_device_list_new,
-   nullcamera_device_list_free,
    "null",
 };
 

camera/camera_driver.h

@@ -49,9 +49,6 @@ typedef struct camera_driver
          retro_camera_frame_raw_framebuffer_t frame_raw_cb,
          retro_camera_frame_opengl_texture_t frame_gl_cb);
 
-   struct string_list *(*device_list_new)(void);
-   void (*device_list_free)(struct string_list *devices);
-
    const char *ident;
 } camera_driver_t;
 

camera/drivers/android.c

@@ -202,7 +202,5 @@ camera_driver_t camera_android = {
    android_camera_start,
    android_camera_stop,
    android_camera_poll,
-   NULL,
-   NULL,
    "android",
 };

camera/drivers/ffmpeg.c

@@ -663,38 +663,11 @@ static bool ffmpeg_camera_poll(
    return true;
 }
 
-static struct string_list *ffmpeg_camera_device_list_new(void)
-{
-   const AVInputFormat *input = NULL;
-   struct string_list *list = string_list_new();
-
-   if (!list)
-      return NULL;
-
-   for (input = av_input_video_device_next(NULL); input != NULL; input = av_input_video_device_next(input))
-   {
-      // if (input->priv_class && input->priv_class->category == AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT)
-      RARCH_LOG("[FFMPEG]: Found input device: %s (%s, %x)\n", input->name, input->long_name, input->flags);
-   }
-
-   return list;
-}
-
-static void ffmpeg_camera_device_list_free(struct string_list *devices)
-{
-   struct string_list *sl = (struct string_list*)devices;
-
-   if (sl)
-      string_list_free(sl);
-}
-
 camera_driver_t camera_ffmpeg = {
    ffmpeg_camera_init,
    ffmpeg_camera_free,
    ffmpeg_camera_start,
    ffmpeg_camera_stop,
    ffmpeg_camera_poll,
-   ffmpeg_camera_device_list_new,
-   ffmpeg_camera_device_list_free,
    "ffmpeg",
 };

camera/drivers/rwebcam.c

@@ -65,7 +65,5 @@ camera_driver_t camera_rwebcam = {
    rwebcam_start,
    rwebcam_stop,
    rwebcam_poll,
-   NULL,
-   NULL,
    "rwebcam",
 };

camera/drivers/video4linux2.c

@@ -415,7 +415,5 @@ camera_driver_t camera_v4l2 = {
    v4l_start,
    v4l_stop,
    v4l_poll,
-   NULL,
-   NULL,
    "video4linux2",
 };