fixed bug where a timecode of 0 wouldn't always return the first frame

Not all media starts with a timecode of 0 and the Decoder class needs to handle such a situation. This commit corrects that.
2019-11-29 01:35:53 +11:00
parent 45d17810d5
commit 755b4233ff
1 changed files with 5 additions and 3 deletions
@@ -834,14 +834,16 @@ int64_t FFmpegDecoder::GetClosestTimestampInIndex(const int64_t &ts)
  }

  if (ts <= 0) {
-    return 0;
+    return frame_index_.first();
  }

  // Use index to find closest frame in file
  for (int i=1;i<frame_index_.size();i++) {
-    if (frame_index_.at(i) == ts) {
+    int64_t this_ts = frame_index_.at(i);
+
+    if (this_ts == ts) {
      return ts;
-    } else if (frame_index_.at(i) > ts) {
+    } else if (this_ts > ts) {
      return frame_index_.at(i - 1);
    }
  }