SDL_CreateAudioStream: check for invalid parameters
diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c
index be9e9cb..7a9dc91 100644
--- a/src/audio/SDL_audiocvt.c
+++ b/src/audio/SDL_audiocvt.c
@@ -1011,6 +1011,16 @@ SDL_NewAudioStream(const SDL_AudioFormat src_format,
Uint8 pre_resample_channels;
SDL_AudioStream *retval;
+ if (src_channels == 0) {
+ SDL_InvalidParamError("src_channels");
+ return NULL;
+ }
+
+ if (dst_channels == 0) {
+ SDL_InvalidParamError("dst_channels");
+ return NULL;
+ }
+
retval = (SDL_AudioStream *)SDL_calloc(1, sizeof(SDL_AudioStream));
if (retval == NULL) {
SDL_OutOfMemory();