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Code Issues Releases Activity

avformat/ape: Simplify cleanup after read_header failure

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by setting the FF_FMT_INIT_CLEANUP flag.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2020-03-21 18:31:06 +01:00
parent 609672a4a3
commit 58da6b18a3
1 changed files with 6 additions and 15 deletions
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21
libavformat/ape.c
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@ -79,8 +79,6 @@ typedef struct APEContext {
uint32_t samplerate;
} APEContext;
static int ape_read_close(AVFormatContext * s);
static int ape_probe(const AVProbeData * p)
{
int version = AV_RL16(p->buf+4);
@ -276,8 +274,7 @@ static int ape_read_header(AVFormatContext * s)
if (pb->eof_reached) {
av_log(s, AV_LOG_ERROR, "seektable truncated\n");
ret = AVERROR_INVALIDDATA;
goto fail;
return AVERROR_INVALIDDATA;
}
ff_dlog(s, "seektable: %8d %"PRIu32"\n", i, seektable_entry);
}
@ -313,8 +310,7 @@ static int ape_read_header(AVFormatContext * s)
ff_dlog(s, "bittable: %2d\n", bits);
if (pb->eof_reached) {
av_log(s, AV_LOG_ERROR, "bittable truncated\n");
ret = AVERROR_INVALIDDATA;
goto fail;
return AVERROR_INVALIDDATA;
}
}
}
@ -327,10 +323,8 @@ static int ape_read_header(AVFormatContext * s)
/* now we are ready: build format streams */
st = avformat_new_stream(s, NULL);
if (!st) {
ret = AVERROR(ENOMEM);
goto fail;
}
if (!st)
return AVERROR(ENOMEM);
total_blocks = (ape->totalframes == 0) ? 0 : ((ape->totalframes - 1) * ape->blocksperframe) + ape->finalframeblocks;
@ -347,7 +341,7 @@ static int ape_read_header(AVFormatContext * s)
avpriv_set_pts_info(st, 64, 1, ape->samplerate);
if ((ret = ff_alloc_extradata(st->codecpar, APE_EXTRADATA_SIZE)) < 0)
goto fail;
return ret;
AV_WL16(st->codecpar->extradata + 0, ape->fileversion);
AV_WL16(st->codecpar->extradata + 2, ape->compressiontype);
AV_WL16(st->codecpar->extradata + 4, ape->formatflags);
@ -366,10 +360,6 @@ static int ape_read_header(AVFormatContext * s)
}
return 0;
fail:
ape_read_close(s);
return ret;
}
static int ape_read_packet(AVFormatContext * s, AVPacket * pkt)
@ -454,6 +444,7 @@ const AVInputFormat ff_ape_demuxer = {
.name = "ape",
.long_name = NULL_IF_CONFIG_SMALL("Monkey's Audio"),
.priv_data_size = sizeof(APEContext),
.flags_internal = FF_FMT_INIT_CLEANUP,
.read_probe = ape_probe,
.read_header = ape_read_header,
.read_packet = ape_read_packet,