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Revert "avformat/rtpdec_rfc4175: Fix incorrect copy_offset calculation"
author
Michael Niedermayer
<michael@niedermayer.cc>
Tue, 6 Aug 2019 08:35:38 +0000
(10:35 +0200)
committer
Michael Niedermayer
<michael@niedermayer.cc>
Tue, 6 Aug 2019 08:37:41 +0000
(10:37 +0200)
Reverted at the request of the Author due to potential regression with SMPTE 2110-20
This reverts commit
9051092e73666e95986eb2d596cc0867aea05c3d
.
libavformat/rtpdec_rfc4175.c
patch
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diff --git
a/libavformat/rtpdec_rfc4175.c
b/libavformat/rtpdec_rfc4175.c
index
490db87
..
e9c62c1
100644
(file)
--- a/
libavformat/rtpdec_rfc4175.c
+++ b/
libavformat/rtpdec_rfc4175.c
@@
-205,11
+205,8
@@
static int rfc4175_handle_packet(AVFormatContext *ctx, PayloadContext *data,
if (length > payload_len)
length = payload_len;
- if (line < 1)
- return AVERROR_INVALIDDATA;
-
/* prevent ill-formed packets to write after buffer's end */
- copy_offset = (
(line - 1)
* data->width + offset) * data->pgroup / data->xinc;
+ copy_offset = (
line
* data->width + offset) * data->pgroup / data->xinc;
if (copy_offset + length > data->frame_size)
return AVERROR_INVALIDDATA;