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fftools: Switch to const AVCodec * where possible

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The obstacle to do so was in filter_codec_opts: It uses searches
the AVCodec for options via the AV_OPT_SEARCH_FAKE_OBJ method, which
requires using a void * that points to a pointer to a const AVClass.
When using const AVCodec *, one can not simply use a pointer that points
to the AVCodec's pointer to its AVClass, as said pointer is const, too.
This is fixed by using a temporary pointer to the AVClass.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt
2021-02-25 05:02:39 +01:00
parent c17915fd64
commit 988deae6da
7 changed files with 14 additions and 13 deletions
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2
fftools/cmdutils.h
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@@ -414,7 +414,7 @@ int check_stream_specifier(AVFormatContext *s, AVStream *st, const char *spec);
* @return a pointer to the created dictionary
*/
AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
AVFormatContext *s, AVStream *st, AVCodec *codec);
AVFormatContext *s, AVStream *st, const AVCodec *codec);
/**
* Setup AVCodecContext options for avformat_find_stream_info().