[FFmpeg-trac] #8156(undetermined:new): PVS-studio big list of errors

[FFmpeg]

#8156: PVS-studio big list of errors
-------------------------------------+-------------------------------------
             Reporter:  Balling      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Balling):

 https://github.com/FFmpeg/FFmpeg/blob/6f4ec4d909cc6dae5ce51f95e7518f2553215dc8/libavcodec/tiff.c#L1429-L1432
 Wow, this is funny... There are identical sub-expressions...

 {{{
 ./libavformat/icoenc.c  48      err     V501 There are identical sub-
 expressions to the left and to the right of the != operator:
 AV_PIX_FMT_BGRA != AV_PIX_FMT_BGRA
 ./libavformat/hevc.c    543     err     V501 There are identical sub-
 expressions to the left and to the right of the && operator: get_bits1(gb)
 && get_bits1(gb)
 ./libavfilter/dnn/dnn_backend_native.h  39      err     V501 There are
 identical sub-expressions to the left and to the right of the | operator:
 DOT_INPUT | DOT_INPUT
 ./libswscale/swscale_unscaled.c 2029    err     V501 There are identical
 sub-expressions '(srcFormat == AV_PIX_FMT_RGBA64LE && dstFormat ==
 AV_PIX_FMT_RGBA64BE)' to the left and to the right of the || operator.
 ./libswscale/swscale_unscaled.c 2029    err     V501 There are identical
 sub-expressions '(srcFormat == AV_PIX_FMT_BGRA64BE && dstFormat ==
 AV_PIX_FMT_BGRA64LE)' to the left and to the right of the || operator.
 ./libswscale/swscale_unscaled.c 2029    err     V501 There are identical
 sub-expressions '(srcFormat == AV_PIX_FMT_BGRA64LE && dstFormat ==
 AV_PIX_FMT_BGRA64BE)' to the left and to the right of the || operator.
 ./libswscale/swscale_unscaled.c 2029    err     V501 There are identical
 sub-expressions to the left and to the right of the || operator.
 ./libswscale/swscale_unscaled.c 2029    err     V501 There are identical
 sub-expressions '(srcFormat == AV_PIX_FMT_RGBA64BE && dstFormat ==
 AV_PIX_FMT_RGBA64LE)' to the left and to the right of the || operator.
 }}}
 By the way first thanks to patch to
 https://patchwork.ffmpeg.org/patch/15105/ !!

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Ticket URL: <https://trac.ffmpeg.org/ticket/8156#comment:1>
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