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lavf: prevent crash in av_open_input_file() if ap == NULL.

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Needed for proper behaviour in our old API compatibility code.
This commit is contained in:
Ronald S. Bultje
2011-06-18 15:33:49 -04:00
parent bed31c7e3c
commit dbafb0e06f
1 changed files with 1 additions and 1 deletions
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libavformat/utils.c
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@@ -549,7 +549,7 @@ int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
int err; int err;
AVDictionary *opts = convert_format_parameters(ap); AVDictionary *opts = convert_format_parameters(ap);
if (!ap->prealloced_context) if (!ap || !ap->prealloced_context)
*ic_ptr = NULL; *ic_ptr = NULL;
err = avformat_open_input(ic_ptr, filename, fmt, &opts); err = avformat_open_input(ic_ptr, filename, fmt, &opts);