Sound: Port to a copy-on-write concept

This change makes it so sound handles are created for evaluated scene,
sequencer and speakers. This allows to have properly evaluated animation
on them.

For the viewport playback sound uses regular dependency graph.

For the final render sound uses dependency graph created for render pipeline,
which now also contains sequencer and sound datablocks.

All the direct sound update calls are replaced with corresponding dependency
graph recalc tag.

14 files changed, 67 insertions, 71 deletions

diff --git a/source/blender/editors/animation/anim_ops.c b/source/blender/editors/animation/anim_ops.c
index abec3563d0c..9e3f91bc971 100644
--- a/source/blender/editors/animation/anim_ops.c
+++ b/source/blender/editors/animation/anim_ops.c
@@ -36,7 +36,6 @@
 #include "BKE_sequencer.h"
 #include "BKE_global.h"
 #include "BKE_main.h"
-#include "BKE_sound.h"
 #include "BKE_scene.h"
 
 #include "UI_view2d.h"
@@ -52,6 +51,9 @@
 #include "ED_sequencer.h"
 #include "ED_util.h"
 
+#include "DEG_depsgraph.h"
+#include "DEG_depsgraph_query.h"
+
 #include "anim_intern.h"
 
 /* ********************** frame change operator ***************************/
@@ -88,7 +90,6 @@ static bool change_frame_poll(bContext *C)
 /* Set the new frame number */
 static void change_frame_apply(bContext *C, wmOperator *op)
 {
-  Main *bmain = CTX_data_main(C);
   Scene *scene = CTX_data_scene(C);
   float frame = RNA_float_get(op->ptr, "frame");
   bool do_snap = RNA_boolean_get(op->ptr, "snap");
@@ -114,7 +115,7 @@ static void change_frame_apply(bContext *C, wmOperator *op)
   FRAMENUMBER_MIN_CLAMP(CFRA);
 
   /* do updates */
-  BKE_sound_seek_scene(bmain, scene);
+  DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
   WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 }
 
diff --git a/source/blender/editors/screen/screen_ops.c b/source/blender/editors/screen/screen_ops.c
index 7c03ba889a7..b3cbeca7317 100644
--- a/source/blender/editors/screen/screen_ops.c
+++ b/source/blender/editors/screen/screen_ops.c
@@ -67,6 +67,7 @@
 #include "WM_types.h"
 
 #include "DEG_depsgraph.h"
+#include "DEG_depsgraph_query.h"
 
 #include "ED_anim_api.h"
 #include "ED_armature.h"
@@ -2740,7 +2741,6 @@ static void areas_do_frame_follow(bContext *C, bool middle)
 /* function to be called outside UI context, or for redo */
 static int frame_offset_exec(bContext *C, wmOperator *op)
 {
-  Main *bmain = CTX_data_main(C);
   Scene *scene = CTX_data_scene(C);
   int delta;
 
@@ -2752,7 +2752,7 @@ static int frame_offset_exec(bContext *C, wmOperator *op)
 
   areas_do_frame_follow(C, false);
 
-  BKE_sound_seek_scene(bmain, scene);
+  DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
 
   WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 
@@ -2784,7 +2784,6 @@ static void SCREEN_OT_frame_offset(wmOperatorType *ot)
 /* function to be called outside UI context, or for redo */
 static int frame_jump_exec(bContext *C, wmOperator *op)
 {
-  Main *bmain = CTX_data_main(C);
   Scene *scene = CTX_data_scene(C);
   wmTimer *animtimer = CTX_wm_screen(C)->animtimer;
 
@@ -2814,7 +2813,7 @@ static int frame_jump_exec(bContext *C, wmOperator *op)
 
     areas_do_frame_follow(C, true);
 
-    BKE_sound_seek_scene(bmain, scene);
+    DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
 
     WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
   }
@@ -2847,7 +2846,6 @@ static void SCREEN_OT_frame_jump(wmOperatorType *ot)
 /* function to be called outside UI context, or for redo */
 static int keyframe_jump_exec(bContext *C, wmOperator *op)
 {
-  Main *bmain = CTX_data_main(C);
   Scene *scene = CTX_data_scene(C);
   Object *ob = CTX_data_active_object(C);
   bDopeSheet ads = {NULL};
@@ -2930,7 +2928,7 @@ static int keyframe_jump_exec(bContext *C, wmOperator *op)
   else {
     areas_do_frame_follow(C, true);
 
-    BKE_sound_seek_scene(bmain, scene);
+    DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
 
     WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 
@@ -2963,7 +2961,6 @@ static void SCREEN_OT_keyframe_jump(wmOperatorType *ot)
 /* function to be called outside UI context, or for redo */
 static int marker_jump_exec(bContext *C, wmOperator *op)
 {
-  Main *bmain = CTX_data_main(C);
   Scene *scene = CTX_data_scene(C);
   TimeMarker *marker;
   int closest = CFRA;
@@ -2997,7 +2994,7 @@ static int marker_jump_exec(bContext *C, wmOperator *op)
 
     areas_do_frame_follow(C, true);
 
-    BKE_sound_seek_scene(bmain, scene);
+    DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
 
     WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 
@@ -4206,7 +4203,8 @@ static int screen_animation_step(bContext *C, wmOperator *UNUSED(op), const wmEv
   if (screen->animtimer && screen->animtimer == event->customdata) {
     Main *bmain = CTX_data_main(C);
     Scene *scene = CTX_data_scene(C);
-    struct Depsgraph *depsgraph = CTX_data_depsgraph(C);
+    Depsgraph *depsgraph = CTX_data_depsgraph(C);
+    Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
     wmTimer *wt = screen->animtimer;
     ScreenAnimData *sad = wt->customdata;
     wmWindowManager *wm = CTX_wm_manager(C);
@@ -4227,7 +4225,7 @@ static int screen_animation_step(bContext *C, wmOperator *UNUSED(op), const wmEv
     }
 
     if ((scene->audio.flag & AUDIO_SYNC) && (sad->flag & ANIMPLAY_FLAG_REVERSE) == false &&
-        isfinite(time = BKE_sound_sync_scene(scene))) {
+        isfinite(time = BKE_sound_sync_scene(scene_eval))) {
       double newfra = (double)time * FPS;
 
       /* give some space here to avoid jumps */
@@ -4320,7 +4318,7 @@ static int screen_animation_step(bContext *C, wmOperator *UNUSED(op), const wmEv
     }
 
     if (sad->flag & ANIMPLAY_FLAG_JUMPED) {
-      BKE_sound_seek_scene(bmain, scene);
+      DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
 #ifdef PROFILE_AUDIO_SYNCH
       old_frame = CFRA;
 #endif
@@ -4442,11 +4440,12 @@ int ED_screen_animation_play(bContext *C, int sync, int mode)
 {
   bScreen *screen = CTX_wm_screen(C);
   Scene *scene = CTX_data_scene(C);
+  Scene *scene_eval = DEG_get_evaluated_scene(CTX_data_depsgraph(C));
 
   if (ED_screen_animation_playing(CTX_wm_manager(C))) {
     /* stop playback now */
     ED_screen_animation_timer(C, 0, 0, 0, 0);
-    BKE_sound_stop_scene(scene);
+    BKE_sound_stop_scene(scene_eval);
 
     WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
   }
@@ -4455,7 +4454,7 @@ int ED_screen_animation_play(bContext *C, int sync, int mode)
     int refresh = SPACE_ACTION;
 
     if (mode == 1) { /* XXX only play audio forwards!? */
-      BKE_sound_play_scene(scene);
+      BKE_sound_play_scene(scene_eval);
     }
 
     ED_screen_animation_timer(C, screen->redraws_flag, refresh, sync, mode);
diff --git a/source/blender/editors/sound/CMakeLists.txt b/source/blender/editors/sound/CMakeLists.txt
index c2a88041a85..7f4b5a45aa3 100644
--- a/source/blender/editors/sound/CMakeLists.txt
+++ b/source/blender/editors/sound/CMakeLists.txt
@@ -19,6 +19,7 @@ set(INC
   ../include
   ../../blenkernel
   ../../blenlib
+  ../../depsgraph
   ../../makesdna
   ../../makesrna
   ../../windowmanager
diff --git a/source/blender/editors/sound/sound_ops.c b/source/blender/editors/sound/sound_ops.c
index 381173999c4..30ddd8c7d33 100644
--- a/source/blender/editors/sound/sound_ops.c
+++ b/source/blender/editors/sound/sound_ops.c
@@ -62,6 +62,8 @@
 #  include <AUD_Special.h>
 #endif
 
+#include "DEG_depsgraph_query.h"
+
 #include "ED_sound.h"
 #include "ED_util.h"
 
@@ -88,7 +90,6 @@ static int sound_open_exec(bContext *C, wmOperator *op)
   bSound *sound;
   PropertyPointerRNA *pprop;
   PointerRNA idptr;
-  AUD_SoundInfo info;
   Main *bmain = CTX_data_main(C);
 
   RNA_string_get(op->ptr, "filepath", path);
@@ -98,29 +99,8 @@ static int sound_open_exec(bContext *C, wmOperator *op)
     sound_open_init(C, op);
   }
 
-  if (sound->playback_handle == NULL) {
-    if (op->customdata) {
-      MEM_freeN(op->customdata);
-    }
-    BKE_id_free(bmain, sound);
-    BKE_report(op->reports, RPT_ERROR, "Unsupported audio format");
-    return OPERATOR_CANCELLED;
-  }
-
-  info = AUD_getInfo(sound->playback_handle);
-
-  if (info.specs.channels == AUD_CHANNELS_INVALID) {
-    BKE_id_free(bmain, sound);
-    if (op->customdata) {
-      MEM_freeN(op->customdata);
-    }
-    BKE_report(op->reports, RPT_ERROR, "Unsupported audio format");
-    return OPERATOR_CANCELLED;
-  }
-
   if (RNA_boolean_get(op->ptr, "mono")) {
     sound->flags |= SOUND_FLAGS_MONO;
-    BKE_sound_load(bmain, sound);
   }
 
   if (RNA_boolean_get(op->ptr, "cache")) {
@@ -140,6 +120,8 @@ static int sound_open_exec(bContext *C, wmOperator *op)
     RNA_property_update(C, &pprop->ptr, pprop->prop);
   }
 
+  DEG_relations_tag_update(bmain);
+
   MEM_freeN(op->customdata);
   return OPERATOR_FINISHED;
 }
@@ -361,8 +343,9 @@ static int sound_mixdown_exec(bContext *C, wmOperator *op)
 #ifdef WITH_AUDASPACE
   char path[FILE_MAX];
   char filename[FILE_MAX];
-  Scene *scene;
-  Main *bmain;
+  Depsgraph *depsgraph = CTX_data_depsgraph(C);
+  Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
+  Main *bmain = CTX_data_main(C);
   int split;
 
   int bitrate, accuracy;
@@ -380,18 +363,20 @@ static int sound_mixdown_exec(bContext *C, wmOperator *op)
   container = RNA_enum_get(op->ptr, "container");
   codec = RNA_enum_get(op->ptr, "codec");
   split = RNA_boolean_get(op->ptr, "split_channels");
-  scene = CTX_data_scene(C);
-  bmain = CTX_data_main(C);
-  specs.channels = scene->r.ffcodecdata.audio_channels;
-  specs.rate = scene->r.ffcodecdata.audio_mixrate;
+  specs.channels = scene_eval->r.ffcodecdata.audio_channels;
+  specs.rate = scene_eval->r.ffcodecdata.audio_mixrate;
 
   BLI_strncpy(filename, path, sizeof(filename));
   BLI_path_abs(filename, BKE_main_blendfile_path(bmain));
 
+  const double fps = (((double)scene_eval->r.frs_sec) / (double)scene_eval->r.frs_sec_base);
+  const int start_frame = scene_eval->r.sfra;
+  const int end_frame = scene_eval->r.efra;
+
   if (split) {
-    result = AUD_mixdown_per_channel(scene->sound_scene,
-                                     SFRA * specs.rate / FPS,
-                                     (EFRA - SFRA + 1) * specs.rate / FPS,
+    result = AUD_mixdown_per_channel(scene_eval->sound_scene,
+                                     start_frame * specs.rate / fps,
+                                     (end_frame - start_frame + 1) * specs.rate / fps,
                                      accuracy,
                                      filename,
                                      specs,
@@ -400,9 +385,9 @@ static int sound_mixdown_exec(bContext *C, wmOperator *op)
                                      bitrate);
   }
   else {
-    result = AUD_mixdown(scene->sound_scene,
-                         SFRA * specs.rate / FPS,
-                         (EFRA - SFRA + 1) * specs.rate / FPS,
+    result = AUD_mixdown(scene_eval->sound_scene,
+                         start_frame * specs.rate / fps,
+                         (end_frame - start_frame + 1) * specs.rate / fps,
                          accuracy,
                          filename,
                          specs,
@@ -411,7 +396,7 @@ static int sound_mixdown_exec(bContext *C, wmOperator *op)
                          bitrate);
   }
 
-  BKE_sound_reset_scene_specs(scene);
+  BKE_sound_reset_scene_specs(scene_eval);
 
   if (result) {
     BKE_report(op->reports, RPT_ERROR, result);
diff --git a/source/blender/editors/space_clip/clip_ops.c b/source/blender/editors/space_clip/clip_ops.c
index ba40b8bfaae..83d8133a99e 100644
--- a/source/blender/editors/space_clip/clip_ops.c
+++ b/source/blender/editors/space_clip/clip_ops.c
@@ -52,7 +52,6 @@
 #include "BKE_main.h"
 #include "BKE_movieclip.h"
 #include "BKE_report.h"
-#include "BKE_sound.h"
 #include "BKE_tracking.h"
 
 #include "WM_api.h"
@@ -74,6 +73,7 @@
 
 #include "PIL_time.h"
 
+#include "DEG_depsgraph.h"
 #include "DEG_depsgraph_build.h"
 
 #include "clip_intern.h"  // own include
@@ -999,7 +999,7 @@ static void change_frame_apply(bContext *C, wmOperator *op)
   SUBFRA = 0.0f;
 
   /* do updates */
-  BKE_sound_seek_scene(CTX_data_main(C), scene);
+  DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
   WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 }
 
diff --git a/source/blender/editors/space_clip/tracking_ops.c b/source/blender/editors/space_clip/tracking_ops.c
index c19b0583a5c..2de01e0b7ec 100644
--- a/source/blender/editors/space_clip/tracking_ops.c
+++ b/source/blender/editors/space_clip/tracking_ops.c
@@ -35,7 +35,6 @@
 #include "BKE_movieclip.h"
 #include "BKE_tracking.h"
 #include "BKE_report.h"
-#include "BKE_sound.h"
 
 #include "DEG_depsgraph.h"
 
@@ -1356,7 +1355,7 @@ static int frame_jump_exec(bContext *C, wmOperator *op)
 
   if (CFRA != sc->user.framenr) {
     CFRA = sc->user.framenr;
-    BKE_sound_seek_scene(CTX_data_main(C), scene);
+    DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
 
     WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
   }
diff --git a/source/blender/editors/space_graph/graph_ops.c b/source/blender/editors/space_graph/graph_ops.c
index 3450ca5a431..c9dc9803105 100644
--- a/source/blender/editors/space_graph/graph_ops.c
+++ b/source/blender/editors/space_graph/graph_ops.c
@@ -33,7 +33,6 @@
 #include "BKE_context.h"
 #include "BKE_global.h"
 #include "BKE_main.h"
-#include "BKE_sound.h"
 
 #include "UI_view2d.h"
 
@@ -49,6 +48,8 @@
 #include "RNA_access.h"
 #include "RNA_define.h"
 
+#include "DEG_depsgraph.h"
+
 #include "WM_api.h"
 #include "WM_types.h"
 
@@ -74,7 +75,6 @@ static bool graphview_cursor_poll(bContext *C)
 /* Set the new frame number */
 static void graphview_cursor_apply(bContext *C, wmOperator *op)
 {
-  Main *bmain = CTX_data_main(C);
   Scene *scene = CTX_data_scene(C);
   SpaceGraph *sipo = CTX_wm_space_graph(C);
   /* this isn't technically "frame", but it'll do... */
@@ -105,7 +105,7 @@ static void graphview_cursor_apply(bContext *C, wmOperator *op)
     }
 
     SUBFRA = 0.0f;
-    BKE_sound_seek_scene(bmain, scene);
+    DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
   }
 
   /* set the cursor value */
diff --git a/source/blender/editors/space_image/image_ops.c b/source/blender/editors/space_image/image_ops.c
index 9ef646e6c71..3789b6d7a6d 100644
--- a/source/blender/editors/space_image/image_ops.c
+++ b/source/blender/editors/space_image/image_ops.c
@@ -61,7 +61,6 @@
 #include "BKE_paint.h"
 #include "BKE_report.h"
 #include "BKE_screen.h"
-#include "BKE_sound.h"
 #include "BKE_scene.h"
 
 #include "DEG_depsgraph.h"
@@ -3608,7 +3607,7 @@ static void change_frame_apply(bContext *C, wmOperator *op)
   SUBFRA = 0.0f;
 
   /* do updates */
-  BKE_sound_seek_scene(CTX_data_main(C), scene);
+  DEG_id_tag_update(&scene->id, ID_RECALC_AUDIO_SEEK);
   WM_event_add_notifier(C, NC_SCENE | ND_FRAME, scene);
 }
 
diff --git a/source/blender/editors/space_sequencer/CMakeLists.txt b/source/blender/editors/space_sequencer/CMakeLists.txt
index 4668a9cef90..d57be0c85c3 100644
--- a/source/blender/editors/space_sequencer/CMakeLists.txt
+++ b/source/blender/editors/space_sequencer/CMakeLists.txt
@@ -21,6 +21,7 @@ set(INC
   ../../blenlib
   ../../blentranslation
   ../../gpu
+  ../../depsgraph
   ../../imbuf
   ../../makesdna
   ../../makesrna
diff --git a/source/blender/editors/space_sequencer/sequencer_add.c b/source/blender/editors/space_sequencer/sequencer_add.c
index db6cc1af31e..190c2edf30c 100644
--- a/source/blender/editors/space_sequencer/sequencer_add.c
+++ b/source/blender/editors/space_sequencer/sequencer_add.c
@@ -64,6 +64,8 @@
 #  include <AUD_Sequence.h>
 #endif
 
+#include "DEG_depsgraph.h"
+
 /* own include */
 #include "sequencer_intern.h"
 
@@ -351,6 +353,7 @@ static int sequencer_add_scene_strip_exec(bContext *C, wmOperator *op)
   sequencer_add_apply_replace_sel(C, op, seq);
   sequencer_add_apply_overlap(C, op, seq);
 
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -433,6 +436,7 @@ static int sequencer_add_movieclip_strip_exec(bContext *C, wmOperator *op)
   sequencer_add_apply_replace_sel(C, op, seq);
   sequencer_add_apply_overlap(C, op, seq);
 
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -515,6 +519,7 @@ static int sequencer_add_mask_strip_exec(bContext *C, wmOperator *op)
   sequencer_add_apply_replace_sel(C, op, seq);
   sequencer_add_apply_overlap(C, op, seq);
 
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -627,8 +632,8 @@ static int sequencer_add_generic_strip_exec(bContext *C, wmOperator *op, SeqLoad
   }
 
   BKE_sequencer_sort(scene);
-  BKE_sequencer_update_muting(ed);
 
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -956,6 +961,7 @@ static int sequencer_add_image_strip_exec(bContext *C, wmOperator *op)
     MEM_freeN(op->customdata);
   }
 
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -1105,6 +1111,7 @@ static int sequencer_add_effect_strip_exec(bContext *C, wmOperator *op)
    * it was NOT called in blender 2.4x, but wont hurt */
   BKE_sequencer_sort(scene);
 
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
diff --git a/source/blender/editors/space_sequencer/sequencer_draw.c b/source/blender/editors/space_sequencer/sequencer_draw.c
index b9b310cf922..6197a7bd559 100644
--- a/source/blender/editors/space_sequencer/sequencer_draw.c
+++ b/source/blender/editors/space_sequencer/sequencer_draw.c
@@ -260,11 +260,6 @@ static void drawseqwave(View2D *v2d,
       return;
     }
 
-    if (!sound->spinlock) {
-      sound->spinlock = MEM_mallocN(sizeof(SpinLock), "sound_spinlock");
-      BLI_spin_init(sound->spinlock);
-    }
-
     BLI_spin_lock(sound->spinlock);
     if (!sound->waveform) {
       if (!(sound->tags & SOUND_TAGS_WAVEFORM_LOADING)) {
diff --git a/source/blender/editors/space_sequencer/sequencer_edit.c b/source/blender/editors/space_sequencer/sequencer_edit.c
index ed7205328eb..038ab0cc7cd 100644
--- a/source/blender/editors/space_sequencer/sequencer_edit.c
+++ b/source/blender/editors/space_sequencer/sequencer_edit.c
@@ -64,6 +64,8 @@
 #include "UI_view2d.h"
 #include "UI_interface.h"
 
+#include "DEG_depsgraph.h"
+
 /* own include */
 #include "sequencer_intern.h"
 
@@ -1809,7 +1811,7 @@ static int sequencer_mute_exec(bContext *C, wmOperator *op)
     }
   }
 
-  BKE_sequencer_update_muting(ed);
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -1860,7 +1862,7 @@ static int sequencer_unmute_exec(bContext *C, wmOperator *op)
     }
   }
 
-  BKE_sequencer_update_muting(ed);
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -2370,6 +2372,7 @@ static int sequencer_delete_exec(bContext *C, wmOperator *UNUSED(op))
     ms = ms->prev;
   }
 
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -2625,7 +2628,7 @@ static int sequencer_meta_toggle_exec(bContext *C, wmOperator *UNUSED(op))
     MEM_freeN(ms);
   }
 
-  BKE_sequencer_update_muting(ed);
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
   return OPERATOR_FINISHED;
@@ -2686,7 +2689,7 @@ static int sequencer_meta_make_exec(bContext *C, wmOperator *op)
     BKE_sequence_base_shuffle(ed->seqbasep, seqm, scene);
   }
 
-  BKE_sequencer_update_muting(ed);
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
 
   BKE_sequence_base_unique_name_recursive(&scene->ed->seqbase, seqm);
 
@@ -2773,7 +2776,7 @@ static int sequencer_meta_separate_exec(bContext *C, wmOperator *UNUSED(op))
   }
 
   BKE_sequencer_sort(scene);
-  BKE_sequencer_update_muting(ed);
+  DEG_id_tag_update(&scene->id, ID_RECALC_SEQUENCER_STRIPS);
 
   WM_event_add_notifier(C, NC_SCENE | ND_SEQUENCER, scene);
 
diff --git a/source/blender/editors/space_sequencer/sequencer_preview.c b/source/blender/editors/space_sequencer/sequencer_preview.c
index 546c2a8a9f0..8a4e8c007f7 100644
--- a/source/blender/editors/space_sequencer/sequencer_preview.c
+++ b/source/blender/editors/space_sequencer/sequencer_preview.c
@@ -50,6 +50,7 @@ typedef struct PreviewJob {
 
 typedef struct PreviewJobAudio {
   struct PreviewJobAudio *next, *prev;
+  struct Main *bmain;
   bSound *sound;
   int lr; /* sample left or right */
   int startframe;
@@ -79,7 +80,9 @@ static void preview_startjob(void *data, short *stop, short *do_update, float *p
     PreviewJobAudio *preview_next;
     bSound *sound = previewjb->sound;
 
+    BKE_sound_load_audio(previewjb->bmain, sound);
     BKE_sound_read_waveform(sound, stop);
+    BKE_sound_free_audio(sound);
 
     if (*stop || G.is_break) {
       BLI_mutex_lock(pj->mutex);
@@ -153,6 +156,7 @@ void sequencer_preview_add_sound(const bContext *C, Sequence *seq)
 
   /* attempt to lock mutex of job here */
 
+  audiojob->bmain = CTX_data_main(C);
   audiojob->sound = seq->sound;
 
   BLI_mutex_lock(pj->mutex);
diff --git a/source/blender/editors/transform/transform_generics.c b/source/blender/editors/transform/transform_generics.c
index 6a9c6856a03..0a361d0d09e 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -1183,6 +1183,8 @@ static void recalcData_sequencer(TransInfo *t)
     seq_prev = seq;
   }
 
+  DEG_id_tag_update(&t->scene->id, ID_RECALC_SEQUENCER_STRIPS);
+
   flushTransSeq(t);
 }