lavr: return an error if a avresample_open() is called on an open context

12 years ago · 1db03a6864
parent 7e86c27b4e
commit 1db03a6864
1 changed files with 5 additions and 0 deletions
--- a/libavresample/utils.c
+++ b/libavresample/utils.c
@ -36,6 +36,11 @@ int avresample_open(AVAudioResampleContext *avr)
 {
    int ret;

+    if (avresample_is_open(avr)) {
+        av_log(avr, AV_LOG_ERROR, "The resampling context is already open.\n");
+        return AVERROR(EINVAL);
+    }
+
    /* set channel mixing parameters */
    avr->in_channels = av_get_channel_layout_nb_channels(avr->in_channel_layout);
    if (avr->in_channels <= 0 || avr->in_channels > AVRESAMPLE_MAX_CHANNELS) {