Merge pull request #992 from DolbyLaboratories/dolby/fix_ac4_edit_list_duration

barbibulle · web-flow · commit 83651440ec0e · 2025-11-15T09:52:54.000+01:00
fix ac4 edit list duration.
diff --git a/Source/C++/Apps/Mp4Mux/Mp4Mux.cpp b/Source/C++/Apps/Mp4Mux/Mp4Mux.cpp
@@ -962,7 +962,7 @@ AddAc4Track(AP4_Movie&            movie,
         if (!movie.GetTimeScale()) {
             duration = AP4_UI64(sample_count) * sample_duration;
         } else {
-            duration = AP4_ConvertTime(AP4_UI64(sample_count)*sample_table->GetSampleCount(), media_time_scale, movie.GetTimeScale());
+            duration = AP4_ConvertTime(AP4_UI64(sample_duration)*sample_table->GetSampleCount(), media_time_scale, movie.GetTimeScale());
         }
         AP4_ElstEntry new_elst_entry = AP4_ElstEntry(duration, 0, 1);
         new_elst->AddEntry(new_elst_entry);

Original file line number	Diff line number	Diff line change
`@@ -962,7 +962,7 @@ AddAc4Track(AP4_Movie& movie,`
`962`	`962`	`if (!movie.GetTimeScale()) {`
`963`	`963`	`duration = AP4_UI64(sample_count) * sample_duration;`
`964`	`964`	`} else {`
`965`		`- duration = AP4_ConvertTime(AP4_UI64(sample_count)*sample_table->GetSampleCount(), media_time_scale, movie.GetTimeScale());`
	`965`	`+ duration = AP4_ConvertTime(AP4_UI64(sample_duration)*sample_table->GetSampleCount(), media_time_scale, movie.GetTimeScale());`
`966`	`966`	`}`
`967`	`967`	`AP4_ElstEntry new_elst_entry = AP4_ElstEntry(duration, 0, 1);`
`968`	`968`	`new_elst->AddEntry(new_elst_entry);`