diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index fd1ad85..c124b90 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -121,7 +121,7 @@ make -f Makefile.dev release-arch
   - [x] `--auto-random-cycle=4`
   - [x] Arrows (up-down: bpm / left-right: cycle)
   - [x] Save states (numkey: load / shift + numkey: save)
-  - [ ] (clean) static functions at top of files
+  - [x] (clean) static functions at top of files
   - [x] Configurable key codes
   - [ ] Key codes as inputs
   - [ ] Mouse position and scroll as inputs
diff --git a/src/shaders.c b/src/shaders.c
index ddf54d1..decef08 100644
--- a/src/shaders.c
+++ b/src/shaders.c
@@ -391,90 +391,6 @@ static void init_programs(ShaderProgram *program, const ConfigFile *config,
   }
 }
 
-void shaders_init(ShaderProgram *program, const Project *project,
-                  const SharedContext *context, VideoCaptureArray *inputs,
-                  bool rebind) {
-  if (!rebind) {
-    program->error = false;
-    program->last_resolution[0] = context->resolution[0];
-    program->last_resolution[1] = context->resolution[1];
-    program->tex_count = config_file_get_int(&project->config, "TEX_COUNT", 9);
-    program->frag_count = project->frag_count;
-    program->frag_output_index =
-        config_file_get_int(&project->config, "FRAG_OUTPUT", 1) - 1;
-    program->frag_monitor_index =
-        config_file_get_int(&project->config, "FRAG_MONITOR", 1) - 1;
-    program->sub_type_count =
-        config_file_get_int(&project->config, "SUB_TYPE_COUNT", 0);
-    program->in_count = config_file_get_int(&project->config, "IN_COUNT", 0);
-    program->sub_variant_count = project->state_config.state_max;
-    program->active_count = project->state_config.midi_active_counts.length;
-    program->midi_lengths.length = 0;
-
-    init_gl(program);
-
-    if (check_glerror(program)) {
-      return;
-    }
-
-    init_shaders(program, project);
-
-    if (program->error || check_glerror(program)) {
-      return;
-    }
-
-    init_textures(program, context);
-
-    if (check_glerror(program)) {
-      return;
-    }
-
-    init_input(program, &project->config, inputs);
-
-    if (check_glerror(program)) {
-      return;
-    }
-
-    init_framebuffers(program, &project->config);
-
-    if (check_glerror(program)) {
-      return;
-    }
-
-    init_programs(program, &project->config, &project->state_config);
-
-    if (check_glerror(program)) {
-      return;
-    }
-
-    init_vertices(program);
-
-    if (check_glerror(program)) {
-      return;
-    }
-  }
-
-  bind_vertices(program, rebind ? 1 : 0);
-
-  if (check_glerror(program)) {
-    return;
-  }
-}
-
-void shaders_update(ShaderProgram *program, const File *fragment_shader,
-                    unsigned int i, const Project *project) {
-  bool result;
-
-  result = compile_shader(program->fragment_shaders[i], fragment_shader->path,
-                          fragment_shader->content);
-
-  if (result) {
-    init_single_program(program, i, &project->config, &project->state_config);
-
-    log_info("Program %d updated", i + 1);
-  }
-}
-
 static void update_viewport(ShaderProgram *program,
                             const SharedContext *context) {
   // viewport changed
@@ -617,6 +533,90 @@ static void use_program(const ShaderProgram *program, int i, bool output,
   glDrawArrays(GL_TRIANGLES, 0, 6);
 }
 
+void shaders_init(ShaderProgram *program, const Project *project,
+                  const SharedContext *context, VideoCaptureArray *inputs,
+                  bool rebind) {
+  if (!rebind) {
+    program->error = false;
+    program->last_resolution[0] = context->resolution[0];
+    program->last_resolution[1] = context->resolution[1];
+    program->tex_count = config_file_get_int(&project->config, "TEX_COUNT", 9);
+    program->frag_count = project->frag_count;
+    program->frag_output_index =
+        config_file_get_int(&project->config, "FRAG_OUTPUT", 1) - 1;
+    program->frag_monitor_index =
+        config_file_get_int(&project->config, "FRAG_MONITOR", 1) - 1;
+    program->sub_type_count =
+        config_file_get_int(&project->config, "SUB_TYPE_COUNT", 0);
+    program->in_count = config_file_get_int(&project->config, "IN_COUNT", 0);
+    program->sub_variant_count = project->state_config.state_max;
+    program->active_count = project->state_config.midi_active_counts.length;
+    program->midi_lengths.length = 0;
+
+    init_gl(program);
+
+    if (check_glerror(program)) {
+      return;
+    }
+
+    init_shaders(program, project);
+
+    if (program->error || check_glerror(program)) {
+      return;
+    }
+
+    init_textures(program, context);
+
+    if (check_glerror(program)) {
+      return;
+    }
+
+    init_input(program, &project->config, inputs);
+
+    if (check_glerror(program)) {
+      return;
+    }
+
+    init_framebuffers(program, &project->config);
+
+    if (check_glerror(program)) {
+      return;
+    }
+
+    init_programs(program, &project->config, &project->state_config);
+
+    if (check_glerror(program)) {
+      return;
+    }
+
+    init_vertices(program);
+
+    if (check_glerror(program)) {
+      return;
+    }
+  }
+
+  bind_vertices(program, rebind ? 1 : 0);
+
+  if (check_glerror(program)) {
+    return;
+  }
+}
+
+void shaders_update(ShaderProgram *program, const File *fragment_shader,
+                    unsigned int i, const Project *project) {
+  bool result;
+
+  result = compile_shader(program->fragment_shaders[i], fragment_shader->path,
+                          fragment_shader->content);
+
+  if (result) {
+    init_single_program(program, i, &project->config, &project->state_config);
+
+    log_info("Program %d updated", i + 1);
+  }
+}
+
 void shaders_compute(ShaderProgram *program, const SharedContext *context,
                      bool monitor, bool output_only) {
   if (!output_only) {
diff --git a/src/string.c b/src/string.c
index 4f52680..07545e0 100644
--- a/src/string.c
+++ b/src/string.c
@@ -6,6 +6,8 @@
 #include "config.h"
 #include "string.h"
 
+static bool is_digit(char c) { return c >= '0' && c <= '9'; }
+
 unsigned int string_trim(char *str) {
   // https://www.delftstack.com/howto/c/trim-string-in-c/
   unsigned int start;
@@ -37,8 +39,6 @@ unsigned int string_trim(char *str) {
   return end - start + 1;
 }
 
-static bool is_digit(char c) { return c >= '0' && c <= '9'; }
-
 bool string_is_number(const char *value) {
   unsigned long value_len;
 
diff --git a/src/tempo.c b/src/tempo.c
index 675d34d..2bb979c 100644
--- a/src/tempo.c
+++ b/src/tempo.c
@@ -25,17 +25,6 @@ static void reset_tap_chain(Tempo *tempo, long t) {
   memset(tempo->tap_durations, 0, sizeof(tempo->tap_durations));
 }
 
-void tempo_init(Tempo *tempo, float value) {
-  long t;
-
-  t = now();
-
-  reset_tap_chain(tempo, t);
-
-  tempo->tempo = value;
-  tempo->beat_length = 60000.0 / value;
-}
-
 static bool is_chain_active(const Tempo tempo, long t) {
   return (tempo.last_tap + MAX_BEAT_LENGTH) > t &&
          (tempo.last_tap + (tempo.beat_length * BEATS_UNTIL_CHAIN_RESET)) > t;
@@ -101,6 +90,17 @@ static void add_tap_to_chain(Tempo *tempo, long t) {
   tempo->tempo = 60000.0 / tempo->beat_length;
 }
 
+void tempo_init(Tempo *tempo, float value) {
+  long t;
+
+  t = now();
+
+  reset_tap_chain(tempo, t);
+
+  tempo->tempo = value;
+  tempo->beat_length = 60000.0 / value;
+}
+
 void tempo_set(Tempo *tempo, float value) {
   long t;
   long progress;
diff --git a/src/video.c b/src/video.c
index 61bf5b1..03fa15c 100644
--- a/src/video.c
+++ b/src/video.c
@@ -270,6 +270,24 @@ static void close_stream(const VideoCapture *video_capture) {
   ioctl(video_capture->fd, VIDIOC_STREAMOFF, &buf_type);
 }
 
+static bool read_video(VideoCapture *video_capture) {
+  if (ioctl(video_capture->fd, VIDIOC_DQBUF, &video_capture->buf) == -1) {
+    ioctl_error(video_capture, "VIDIOC_DQBUF",
+                "buffer type not supported or no buffer allocated or the index "
+                "is out of bounds");
+    return false;
+  }
+
+  if (ioctl(video_capture->fd, VIDIOC_QBUF, &video_capture->buf) == -1) {
+    ioctl_error(video_capture, "VIDIOC_QBUF",
+                "buffer type not supported or no buffer allocated or the index "
+                "is out of bounds");
+    return false;
+  }
+
+  return true;
+}
+
 void video_init(VideoCapture *video_capture, const char *name,
                 unsigned int preferred_height) {
   open_device(video_capture, name);
@@ -305,24 +323,6 @@ void video_init(VideoCapture *video_capture, const char *name,
   create_image_buffer(video_capture);
 }
 
-static bool read_video(VideoCapture *video_capture) {
-  if (ioctl(video_capture->fd, VIDIOC_DQBUF, &video_capture->buf) == -1) {
-    ioctl_error(video_capture, "VIDIOC_DQBUF",
-                "buffer type not supported or no buffer allocated or the index "
-                "is out of bounds");
-    return false;
-  }
-
-  if (ioctl(video_capture->fd, VIDIOC_QBUF, &video_capture->buf) == -1) {
-    ioctl_error(video_capture, "VIDIOC_QBUF",
-                "buffer type not supported or no buffer allocated or the index "
-                "is out of bounds");
-    return false;
-  }
-
-  return true;
-}
-
 bool video_background_read(VideoCapture *video_capture, SharedContext *context,
                            int input_index, bool trace_fps) {
   pid_t pid;