[FFmpeg-cvslog] avcodec/pnm_parser: Factor out next/index compensation

Michael Niedermayer git at videolan.org
Thu Apr 11 01:14:38 EEST 2019


ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sat Apr  6 14:43:14 2019 +0200| [3fe37033b982efa3e76e6dec977dc5048597937b] | committer: Michael Niedermayer

avcodec/pnm_parser: Factor out next/index compensation

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3fe37033b982efa3e76e6dec977dc5048597937b
---

 libavcodec/pnm_parser.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/libavcodec/pnm_parser.c b/libavcodec/pnm_parser.c
index 91a9edc016..95241c30b3 100644
--- a/libavcodec/pnm_parser.c
+++ b/libavcodec/pnm_parser.c
@@ -70,19 +70,17 @@ retry:
                     c = *bs++;
             } else if (c == 'P') {
                 next = bs - pnmctx.bytestream_start + skip - 1;
-                if (pnmctx.bytestream_start != buf + skip)
-                    next -= pc->index;
                 break;
             }
         }
     } else {
         next = pnmctx.bytestream - pnmctx.bytestream_start + skip
                + av_image_get_buffer_size(avctx->pix_fmt, avctx->width, avctx->height, 1);
-        if (pnmctx.bytestream_start != buf + skip)
-            next -= pc->index;
-        if (next > buf_size)
-            next = END_NOT_FOUND;
     }
+    if (next != END_NOT_FOUND && pnmctx.bytestream_start != buf + skip)
+        next -= pc->index;
+    if (next > buf_size)
+        next = END_NOT_FOUND;
 
     if (ff_combine_frame(pc, next, &buf, &buf_size) < 0) {
         *poutbuf      = NULL;



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