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Provide error reason if opening input fails

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This commit is contained in:
Will Storey
2018-07-23 17:31:35 -07:00
parent 8a470e1b25
commit 3673c3ce0b
1 changed files with 4 additions and 3 deletions
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7
videostreamer.c
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@@ -58,9 +58,10 @@ vs_open_input(const char * const input_format_name,
return NULL;
}
if (avformat_open_input(&input->format_ctx, input_url, input_format,
NULL) != 0) {
printf("unable to open input\n");
int const open_status = avformat_open_input(&input->format_ctx, input_url,
input_format, NULL);
if (open_status != 0) {
printf("unable to open input: %s\n", av_err2str(open_status));
vs_destroy_input(input);
return NULL;
}