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Code Issues Releases Activity

avformat/tiertexseq: 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 7ef252b64a
commit 24e4127cb4
1 changed files with 5 additions and 12 deletions
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17
libavformat/tiertexseq.c
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@ -202,20 +202,16 @@ static int seq_read_header(AVFormatContext *s)
/* init internal buffers */
rc = seq_init_frame_buffers(seq, pb);
if (rc) {
seq_read_close(s);
if (rc < 0)
return rc;
}
seq->current_frame_offs = 0;
/* preload (no audio data, just buffer operations related data) */
for (i = 1; i <= 100; i++) {
rc = seq_parse_frame_data(seq, pb);
if (rc) {
seq_read_close(s);
if (rc < 0)
return rc;
}
}
seq->current_frame_pts = 0;
@ -224,10 +220,8 @@ static int seq_read_header(AVFormatContext *s)
/* initialize the video decoder stream */
st = avformat_new_stream(s, NULL);
if (!st) {
seq_read_close(s);
if (!st)
return AVERROR(ENOMEM);
}
avpriv_set_pts_info(st, 32, 1, SEQ_FRAME_RATE);
seq->video_stream_index = st->index;
@ -239,10 +233,8 @@ static int seq_read_header(AVFormatContext *s)
/* initialize the audio decoder stream */
st = avformat_new_stream(s, NULL);
if (!st) {
seq_read_close(s);
if (!st)
return AVERROR(ENOMEM);
}
st->start_time = 0;
avpriv_set_pts_info(st, 32, 1, SEQ_SAMPLE_RATE);
@ -320,6 +312,7 @@ const AVInputFormat ff_tiertexseq_demuxer = {
.name = "tiertexseq",
.long_name = NULL_IF_CONFIG_SMALL("Tiertex Limited SEQ"),
.priv_data_size = sizeof(SeqDemuxContext),
.flags_internal = FF_FMT_INIT_CLEANUP,
.read_probe = seq_probe,
.read_header = seq_read_header,
.read_packet = seq_read_packet,