X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libswresample%2Fswresample.c;h=a7bb69dd4fd4af628d34738e5a541ca2269e2a28;hb=252500a78fe1a31abc79e6070d16f50382c39343;hp=6d28e6a798363ba06ea9efbbd0df36664909a2ae;hpb=bce4da85e8110b66040a5fb07ffc724ab4e09a86;p=ffmpeg

diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index 6d28e6a7983..a7bb69dd4fd 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -46,7 +46,7 @@ const char *swresample_configuration(void)
 const char *swresample_license(void)
 {
 #define LICENSE_PREFIX "libswresample license: "
-    return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+    return &LICENSE_PREFIX FFMPEG_LICENSE[sizeof(LICENSE_PREFIX) - 1];
 }
 
 int swr_set_channel_mapping(struct SwrContext *s, const int *channel_map){
@@ -164,6 +164,14 @@ av_cold int swr_init(struct SwrContext *s){
         return AVERROR(EINVAL);
     }
 
+    if(s-> in_sample_rate <= 0){
+        av_log(s, AV_LOG_ERROR, "Requested input sample rate %d is invalid\n", s->in_sample_rate);
+        return AVERROR(EINVAL);
+    }
+    if(s->out_sample_rate <= 0){
+        av_log(s, AV_LOG_ERROR, "Requested output sample rate %d is invalid\n", s->out_sample_rate);
+        return AVERROR(EINVAL);
+    }
     s->out.ch_count  = s-> user_out_ch_count;
     s-> in.ch_count  = s->  user_in_ch_count;
     s->used_ch_count = s->user_used_ch_count;