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fftools/ffmpeg: make attachment filenames dynamically allocated 

Do not store the supplied arg pointer directly. While that is valid for
now, it will become ephemeral in the future commits.
This commit is contained in:
Anton Khirnov 2022-03-14 12:30:31 +01:00
parent fcddd233fe
commit 8aed3911fc
1 changed files with 7 additions and 1 deletions
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8
fftools/ffmpeg_opt.c
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@ -124,6 +124,9 @@ static void uninit_options(OptionsContext *o)
#if FFMPEG_OPT_MAP_CHANNEL
av_freep(&o->audio_channel_maps);
#endif
for (i = 0; i < o->nb_attachments; i++)
av_freep(&o->attachments[i]);
av_freep(&o->attachments);
av_dict_free(&o->streamid);
@ -494,7 +497,10 @@ static int opt_attach(void *optctx, const char *opt, const char *arg)
if (ret < 0)
return ret;
o->attachments[o->nb_attachments - 1] = arg;
o->attachments[o->nb_attachments - 1] = av_strdup(arg);
if (!o->attachments[o->nb_attachments - 1])
return AVERROR(ENOMEM);
return 0;
}