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fftools/ffmpeg: make attachment filenames dynamically allocated

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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;
}