[FFmpeg-devel] [PATCH] mpegts: add the judgement if a new program is ctreated successfully

di1028.wu at samsung.com di1028.wu at samsung.com
Wed Oct 15 10:24:21 CEST 2014


From: Di Wu <di1028.wu at samsung.com>

Add the judement after create a new program to avoid segment fault.

Signed-off-by: Di Wu <di1028.wu at samsung.com>
---
 libavformat/mpegts.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 8808269..cc0ce79 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -1925,8 +1925,10 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
         } else {
             MpegTSFilter *fil = ts->pids[pmt_pid];
             program = av_new_program(ts->stream, sid);
-            program->program_num = sid;
-            program->pmt_pid = pmt_pid;
+            if (program) {
+                program->program_num = sid;
+                program->pmt_pid = pmt_pid;
+            }
             if (fil)
                 if (   fil->type != MPEGTS_SECTION
                     || fil->pid != pmt_pid
-- 
1.7.9.5



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