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avformat/hlsenc: improve hls encrypt get key file operation 

get key file only once time is ok, no need more times.
Ticket-id: #6545

Found-by: JohnPi
Signed-off-by: Steven Liu <lq@onvideo.cn>
This commit is contained in:
Steven Liu 2017-07-25 10:31:29 +08:00
parent 03a9e6ff30
commit 805ce25b1d
1 changed files with 9 additions and 6 deletions
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15
libavformat/hlsenc.c
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@ -1223,12 +1223,15 @@ static int hls_start(AVFormatContext *s)
av_log(s, AV_LOG_WARNING, "Cannot use both -hls_key_info_file and -hls_enc,"
" will use -hls_key_info_file priority\n");
}
if (c->key_info_file) {
if ((err = hls_encryption_start(s)) < 0)
goto fail;
} else {
if ((err = do_encrypt(s)) < 0)
goto fail;
if (c->number <= 1) {
if (c->key_info_file) {
if ((err = hls_encryption_start(s)) < 0)
goto fail;
} else {
if ((err = do_encrypt(s)) < 0)
goto fail;
}
}
if ((err = av_dict_set(&options, "encryption_key", c->key_string, 0))
< 0)