Treat BLA (Broken Link Access) pictures as key frames (issue #1)

This affects the state of sample flags (sample_depends_on, sample_is_depended_on, and sample_is_difference_sample) in "trun" atoms.
xtne6f · Mar 9, 2024 · cd49838 · cd49838
1 parent d600cb4
commit cd49838
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/mp4fragmenter.cpp b/mp4fragmenter.cpp
@@ -377,8 +377,8 @@ void CMp4Fragmenter::AddVideoPes(const std::vector<uint8_t> &pes, bool h265)
                         // Drop SEI
                     }
                     else {
-                        if (h265 ? (nalUnitType == 19 || nalUnitType == 20 || nalUnitType == 21) : (nalUnitType == 5)) {
-                            // IRAP
+                        if (h265 ? (nalUnitType >= 16 || nalUnitType <= 21) : (nalUnitType == 5)) {
+                            // IRAP (BLA or CRA or IDR)
                             isKey = true;
                         }
                         sampleSize += 4 + len;