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avformat/hlsenc: fix cid 1401346 Dereferencing pointer error

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check if proto is null before av_strcasecmp
CID:  1401346

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
This commit is contained in:
Steven Liu 2017-02-21 23:38:39 +08:00
parent cbd622be99
commit 0c0aef1caf
1 changed files with 2 additions and 2 deletions
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4
libavformat/hlsenc.c
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@ -668,11 +668,11 @@ static void hls_free_segments(HLSSegment *p)
static void set_http_options(AVFormatContext *s, AVDictionary **options, HLSContext *c) static void set_http_options(AVFormatContext *s, AVDictionary **options, HLSContext *c)
{ {
const char *proto = avio_find_protocol_name(s->filename); const char *proto = avio_find_protocol_name(s->filename);
int http_base_proto = !av_strcasecmp(proto, "http") || !av_strcasecmp(proto, "https"); int http_base_proto = proto ? (!av_strcasecmp(proto, "http") || !av_strcasecmp(proto, "https")) : 0;
if (c->method) { if (c->method) {
av_dict_set(options, "method", c->method, 0); av_dict_set(options, "method", c->method, 0);
} else if (proto && http_base_proto) { } else if (http_base_proto) {
av_log(c, AV_LOG_WARNING, "No HTTP method set, hls muxer defaulting to method PUT.\n"); av_log(c, AV_LOG_WARNING, "No HTTP method set, hls muxer defaulting to method PUT.\n");
av_dict_set(options, "method", "PUT", 0); av_dict_set(options, "method", "PUT", 0);
} }