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avformat/smacker: Use st->priv_data to store array

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It simplifies freeing and allows to completely remove smacker_read_close.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-06-22 04:48:49 +02:00
parent 638ef5f758
commit e40ad1c0d4
1 changed files with 3 additions and 13 deletions
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16
libavformat/smacker.c
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@ -205,10 +205,11 @@ static int smacker_read_header(AVFormatContext *s)
avio_rl32(pb); /* padding */
/* setup data */
smk->frm_size = av_malloc_array(smk->frames, sizeof(*smk->frm_size) +
st->priv_data = av_malloc_array(smk->frames, sizeof(*smk->frm_size) +
sizeof(*smk->frm_flags));
if (!smk->frm_size)
if (!st->priv_data)
return AVERROR(ENOMEM);
smk->frm_size = st->priv_data;
smk->frm_flags = (void*)(smk->frm_size + smk->frames);
/* read frame info */
@ -219,7 +220,6 @@ static int smacker_read_header(AVFormatContext *s)
/* load trees to extradata, they will be unpacked by decoder */
(ret = ffio_read_size(pb, par->extradata + 16,
par->extradata_size - 16)) < 0) {
av_freep(&smk->frm_size);
return ret;
}
@ -351,15 +351,6 @@ next_frame:
return ret;
}
static int smacker_read_close(AVFormatContext *s)
{
SmackerContext *smk = s->priv_data;
av_freep(&smk->frm_size);
return 0;
}
AVInputFormat ff_smacker_demuxer = {
.name = "smk",
.long_name = NULL_IF_CONFIG_SMALL("Smacker"),
@ -367,5 +358,4 @@ AVInputFormat ff_smacker_demuxer = {
.read_probe = smacker_probe,
.read_header = smacker_read_header,
.read_packet = smacker_read_packet,
.read_close = smacker_read_close,
};