Fix T44122, rendering OpenGL preview movie with audio has wrong audio

range and extra frames.

Issue here is that the movie backend would unconditionally use the start
frame of the scene instead of the preview frame. Solved by passing an
explicit "preview" argument.

Strictly speaking, the preview argument is part of the renderdata
struct, that is also passed to the code, but when rendering the final
result we want to unconditionally render the full range regardless of
the preview setting of the render structure.

However, OpenGL rendering does use the preview range so we need to
account for that when making those exports.

This is also a nice chance to correct the filenames, which still used
the full range.

1 files changed, 2 insertions, 2 deletions

diff --git a/source/blender/blenkernel/BKE_writeffmpeg.h b/source/blender/blenkernel/BKE_writeffmpeg.h
index 703e84b3798..ba6360964d6 100644
--- a/source/blender/blenkernel/BKE_writeffmpeg.h
+++ b/source/blender/blenkernel/BKE_writeffmpeg.h
@@ -69,11 +69,11 @@ struct RenderData;
 struct ReportList;
 struct Scene;
 
-int BKE_ffmpeg_start(struct Scene *scene, struct RenderData *rd, int rectx, int recty, struct ReportList *reports);
+int BKE_ffmpeg_start(struct Scene *scene, struct RenderData *rd, int rectx, int recty, struct ReportList *reports, bool preview);
 void BKE_ffmpeg_end(void);
 int BKE_ffmpeg_append(struct RenderData *rd, int start_frame, int frame, int *pixels,
                       int rectx, int recty, struct ReportList *reports);
-void BKE_ffmpeg_filepath_get(char *string, struct RenderData *rd);
+void BKE_ffmpeg_filepath_get(char *string, struct RenderData *rd, bool preview);
 
 void BKE_ffmpeg_preset_set(struct RenderData *rd, int preset);
 void BKE_ffmpeg_image_type_verify(struct RenderData *rd, struct ImageFormatData *imf);