virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-04 22:03:09 +02:00
Code Issues Releases Activity

avcodec/dvbsubenc: fix 256 color rle decoding

Browse Source 
The end of 8-bit/pixel_code_string() is signalled with two zero bytes, so we
should read those from the buffer instead of one. We keep supporting though our
own buggy encoder which only put one zero byte there.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2025-08-03 01:12:20 +02:00
parent aeb6ea51f5
commit d5f7a428b1
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/dvbsubdec.c
View File

@ -660,6 +660,10 @@ static int dvbsub_read_8bit_string(AVCodecContext *avctx,
if (bytestream2_get_byte(gb))
av_log(avctx, AV_LOG_ERROR, "line overflow\n");
/* Workaround our own buggy encoder which only put one zero at the end */
if (!bytestream2_peek_byte(gb))
bytestream2_get_byte(gb);
*srcbuf += bytestream2_tell(gb);
return pixels_read;
}