Fix: Audio plays back incorrectly after rendering to a video file

D2365

4 files changed, 18 insertions, 6 deletions

diff --git a/source/blender/blenkernel/BKE_sound.h b/source/blender/blenkernel/BKE_sound.h
index 28b15b2a310..a5c626e74d7 100644
--- a/source/blender/blenkernel/BKE_sound.h
+++ b/source/blender/blenkernel/BKE_sound.h
@@ -90,6 +90,8 @@ void BKE_sound_create_scene(struct Scene *scene);
 
 void BKE_sound_destroy_scene(struct Scene *scene);
 
+void BKE_sound_reset_scene_specs(struct Scene *scene);
+
 void BKE_sound_mute_scene(struct Scene *scene, int muted);
 
 void BKE_sound_update_fps(struct Scene *scene);
diff --git a/source/blender/blenkernel/intern/sound.c b/source/blender/blenkernel/intern/sound.c
index d5a395ffc4b..22288127119 100644
--- a/source/blender/blenkernel/intern/sound.c
+++ b/source/blender/blenkernel/intern/sound.c
@@ -454,6 +454,16 @@ void BKE_sound_destroy_scene(struct Scene *scene)
 		AUD_destroySet(scene->speaker_handles);
 }
 
+void BKE_sound_reset_scene_specs(struct Scene *scene)
+{
+	AUD_Specs specs;
+
+	specs.channels = AUD_Device_getChannels(sound_device);
+	specs.rate = AUD_Device_getRate(sound_device);
+
+	AUD_Sequence_setSpecs(scene->sound_scene, specs);
+}
+
 void BKE_sound_mute_scene(struct Scene *scene, int muted)
 {
 	if (scene->sound_scene)
@@ -580,15 +590,10 @@ void BKE_sound_update_sequencer(struct Main *main, bSound *sound)
 
 static void sound_start_play_scene(struct Scene *scene)
 {
-	AUD_Specs specs;
-
 	if (scene->playback_handle)
 		AUD_Handle_stop(scene->playback_handle);
 
-	specs.channels = AUD_Device_getChannels(sound_device);
-	specs.rate = AUD_Device_getRate(sound_device);
-
-	AUD_Sequence_setSpecs(scene->sound_scene, specs);
+	BKE_sound_reset_scene_specs(scene);
 
 	if ((scene->playback_handle = AUD_Device_play(sound_device, scene->sound_scene, 1)))
 		AUD_Handle_setLoopCount(scene->playback_handle, -1);
@@ -910,6 +915,7 @@ void BKE_sound_delete_cache(struct bSound *UNUSED(sound)) {}
 void BKE_sound_load(struct Main *UNUSED(bmain), struct bSound *UNUSED(sound)) {}
 void BKE_sound_create_scene(struct Scene *UNUSED(scene)) {}
 void BKE_sound_destroy_scene(struct Scene *UNUSED(scene)) {}
+void BKE_sound_reset_scene_specs(struct Scene *UNUSED(scene)) {}
 void BKE_sound_mute_scene(struct Scene *UNUSED(scene), int UNUSED(muted)) {}
 void *BKE_sound_scene_add_scene_sound(struct Scene *UNUSED(scene), struct Sequence *UNUSED(sequence),
                                       int UNUSED(startframe), int UNUSED(endframe), int UNUSED(frameskip)) { return NULL; }
diff --git a/source/blender/editors/sound/sound_ops.c b/source/blender/editors/sound/sound_ops.c
index 432918f0e37..c2c52f58181 100644
--- a/source/blender/editors/sound/sound_ops.c
+++ b/source/blender/editors/sound/sound_ops.c
@@ -383,6 +383,8 @@ static int sound_mixdown_exec(bContext *C, wmOperator *op)
 		result = AUD_mixdown(scene->sound_scene, SFRA * specs.rate / FPS, (EFRA - SFRA + 1) * specs.rate / FPS,
 		                     accuracy, filename, specs, container, codec, bitrate);
 
+	BKE_sound_reset_scene_specs(scene);
+
 	if (result) {
 		BKE_report(op->reports, RPT_ERROR, result);
 		return OPERATOR_CANCELLED;
diff --git a/source/blender/render/intern/source/pipeline.c b/source/blender/render/intern/source/pipeline.c
index 9f1ae4a96e0..aff0d2cf15f 100644
--- a/source/blender/render/intern/source/pipeline.c
+++ b/source/blender/render/intern/source/pipeline.c
@@ -74,6 +74,7 @@
 #include "BKE_report.h"
 #include "BKE_scene.h"
 #include "BKE_sequencer.h"
+#include "BKE_sound.h"
 #include "BKE_writeavi.h"  /* <------ should be replaced once with generic movie module */
 #include "BKE_object.h"
 
@@ -3791,6 +3792,7 @@ void RE_BlenderAnim(Render *re, Main *bmain, Scene *scene, Object *camera_overri
 	re->flag &= ~R_ANIMATION;
 
 	BLI_callback_exec(re->main, (ID *)scene, G.is_break ? BLI_CB_EVT_RENDER_CANCEL : BLI_CB_EVT_RENDER_COMPLETE);
+	BKE_sound_reset_scene_specs(scene);
 
 	/* UGLY WARNING */
 	G.is_rendering = false;