Speculative fix for crash when destroying AudioFilterGraph.

diff --git a/src/lib/audio_filter_graph.cc b/src/lib/audio_filter_graph.cc
index 0035fb21357a7d3dec5fd63f21e369d2f7fe2bdc..fd2492d3b8960f9a0da48a350c40fa9fe281279b 100644 (file)
--- a/src/lib/audio_filter_graph.cc
+++ b/src/lib/audio_filter_graph.cc
@@ -40,9 +40,7 @@ AudioFilterGraph::AudioFilterGraph (int sample_rate, int64_t channel_layout)
 
 AudioFilterGraph::~AudioFilterGraph()
 {
-       if (_in_frame) {
-               av_frame_free (&_in_frame);
-       }
+       av_frame_free (&_in_frame);
 }
 
 string
@@ -114,6 +112,10 @@ AudioFilterGraph::process (shared_ptr<const AudioBuffers> buffers)
        int r = av_buffersrc_write_frame (_buffer_src_context, _in_frame);
 
        delete[] _in_frame->extended_data;
+       /* Reset extended_data to its original value so that av_frame_free
+          does not try to free it.
+       */
+       _in_frame->extended_data = _in_frame->data;
 
        if (r < 0) {
                char buffer[256];