avcodec/g2meet: Clear pointers after deallocation

[ffmpeg] / libavcodec / libdcadec.c

diff --git a/libavcodec/libdcadec.c b/libavcodec/libdcadec.c
index 890d27091d59489a6670fa30146518daafb2e61f..2d807a2bdc6383b675913112309effbbd5d313ec 100644 (file)
--- a/libavcodec/libdcadec.c
+++ b/libavcodec/libdcadec.c
@@ -41,6 +41,7 @@ static int dcadec_decode_frame(AVCodecContext *avctx, void *data,
 {
     DCADecContext *s = avctx->priv_data;
     AVFrame *frame = data;
+    struct dcadec_exss_info *exss;
     int ret, i, k;
     int **samples, nsamples, channel_mask, sample_rate, bits_per_sample, profile;
     uint32_t mrk;
@@ -127,6 +128,26 @@ static int dcadec_decode_frame(AVCodecContext *avctx, void *data,
     } else
         avctx->bit_rate = 0;
 
+#if HAVE_STRUCT_DCADEC_EXSS_INFO_MATRIX_ENCODING
+    if (exss = dcadec_context_get_exss_info(s->ctx)) {
+        enum AVMatrixEncoding matrix_encoding = AV_MATRIX_ENCODING_NONE;
+
+        switch(exss->matrix_encoding) {
+        case DCADEC_MATRIX_ENCODING_SURROUND:
+            matrix_encoding = AV_MATRIX_ENCODING_DOLBY;
+            break;
+        case DCADEC_MATRIX_ENCODING_HEADPHONE:
+            matrix_encoding = AV_MATRIX_ENCODING_DOLBYHEADPHONE;
+            break;
+        }
+        dcadec_context_free_exss_info(exss);
+
+        if (matrix_encoding != AV_MATRIX_ENCODING_NONE &&
+            (ret = ff_side_data_update_matrix_encoding(frame, matrix_encoding)) < 0)
+            return ret;
+    }
+#endif
+
     frame->nb_samples = nsamples;
     if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
         return ret;