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avdevice/lavfi: Properly free an AVDictionary 

It is not documented that freeing the last (and only) entry of
an AVDictionary frees the dictionary.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-12-02 16:41:09 +01:00
parent 05c924a86d
commit 531d289cfd
1 changed files with 1 additions and 1 deletions
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2
libavdevice/lavfi.c
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@ -150,7 +150,7 @@ av_cold static int lavfi_read_header(AVFormatContext *avctx)
if (avctx->protocol_whitelist && (ret = av_dict_set(&options, "protocol_whitelist", avctx->protocol_whitelist, 0)) < 0)
goto end;
ret = avio_open2(&avio, lavfi->graph_filename, AVIO_FLAG_READ, &avctx->interrupt_callback, &options);
av_dict_set(&options, "protocol_whitelist", NULL, 0);
av_dict_free(&options);
if (ret < 0)
goto end;
av_bprint_init(&graph_file_pb, 0, AV_BPRINT_SIZE_UNLIMITED);