Commit c44a028e authored by Michael Niedermayer's avatar Michael Niedermayer

af_aresample: allocate at least 1 sample buffer. Fix null ptr dereference.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 1b20877f
......@@ -174,12 +174,11 @@ static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamplesref)
{
AResampleContext *aresample = inlink->dst->priv;
const int n_in = insamplesref->audio->nb_samples;
int n_out = n_in * aresample->ratio * 2 ;
int n_out = FFMAX(n_in * aresample->ratio * 2, 1);
AVFilterLink *const outlink = inlink->dst->outputs[0];
AVFilterBufferRef *outsamplesref = ff_get_audio_buffer(outlink, AV_PERM_WRITE, n_out);
int ret;
avfilter_copy_buffer_ref_props(outsamplesref, insamplesref);
outsamplesref->format = outlink->format;
outsamplesref->audio->channel_layout = outlink->channel_layout;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment