[FFmpeg-devel] [PATCH 2/2] swr: check that the context for swr_convert() has been initialized

Michael Niedermayer michaelni at gmx.at
Sat Feb 22 22:37:10 CET 2014


Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
---
 libswresample/swresample.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index e11826e..54e06e1 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -742,6 +742,11 @@ int swr_convert(struct SwrContext *s, uint8_t *out_arg[SWR_CH_MAX], int out_coun
     AudioData * in= &s->in;
     AudioData *out= &s->out;
 
+    if (!swr_is_initialized(s)) {
+        av_log(s, AV_LOG_ERROR, "Context has not been initialized\n");
+        return AVERROR(EINVAL);
+    }
+
     while(s->drop_output > 0){
         int ret;
         uint8_t *tmp_arg[SWR_CH_MAX];
-- 
1.7.9.5



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