diff options
Diffstat (limited to 'main')
-rw-r--r-- | main/slinfactory.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/main/slinfactory.c b/main/slinfactory.c index 0d6e81b68..4b71db42d 100644 --- a/main/slinfactory.c +++ b/main/slinfactory.c @@ -56,6 +56,16 @@ int ast_slinfactory_feed(struct ast_slinfactory *sf, struct ast_frame *f) struct ast_frame *begin_frame = f, *duped_frame = NULL, *frame_ptr; unsigned int x; + /* In some cases, we can be passed a frame which has no data in it, but + * which has a positive number of samples defined. Once such situation is + * when a jitter buffer is in use and the jitter buffer interpolates a frame. + * The frame it produces has data set to NULL, datalen set to 0, and samples + * set to either 160 or 240. + */ + if (!f->data) { + return 0; + } + if (f->subclass != AST_FORMAT_SLINEAR && f->subclass != AST_FORMAT_SLINEAR16) { if (sf->trans && f->subclass != sf->format) { ast_translator_free_path(sf->trans); |