When writing MP4 sample, save buffer.size() into a temporary variable before calling buffer.extract(). (#2628)

2019-06-02 00:43:29 +04:00 · 2019-06-02 00:43:29 +04:00 · 1d132b5923
parent 7445f5588f
commit 1d132b5923
1 changed files with 4 additions and 3 deletions
--- a/src/zm_video.cpp
+++ b/src/zm_video.cpp
@ -458,11 +458,12 @@ int X264MP4Writer::x264encodeloop(bool bFlush) {

      /* Write the sample */
      if ( !buffer.empty() ) {
+        unsigned int bufSize = buffer.size();
        if ( !MP4WriteSample(
              mp4h,
              mp4vtid,
-              buffer.extract(buffer.size()),
-              buffer.size(),
+              buffer.extract(bufSize),
+              bufSize,
              duration,
              offset,
              prevKeyframe) ) {