sdp: Fix null pointer dereference with aac and ffserver.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

sdp: Fix null pointer dereference with aac and ffserver.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2cf4bd77 · Carl · Michael Niedermayer · d3fc335b · 2cf4bd77
Commit 2cf4bd77 authored Nov 28, 2011 by Carl Committed by Michael Niedermayer Nov 28, 2011
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sdp.c libavformat/sdp.c +1 -1

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--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -402,7 +402,7 @@ static char *sdp_write_media_attributes(char *buff, int size, AVCodecContext *c,
                                     payload_type, config ? config : "");
            break;
        case CODEC_ID_AAC:
-            if (fmt && fmt->oformat->priv_class &&
+            if (fmt && fmt->oformat && fmt->oformat->priv_class &&
                av_opt_flag_is_set(fmt->priv_data, "rtpflags", "latm")) {
                config = latm_context2config(c);
                if (!config)