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Revert "avformat/rtpdec_rfc4175: Fix incorrect copy_offset calculation" 

Reverted at the request of the Author due to potential regression with SMPTE 2110-20

This reverts commit 9051092e73.
This commit is contained in:
Michael Niedermayer 2019-08-06 10:35:38 +02:00
parent 5ac28e9cc1
commit 6c67c8ca9a
1 changed files with 1 additions and 4 deletions
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5
libavformat/rtpdec_rfc4175.c
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@ -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;