[FFmpeg-cvslog] avcodec/dpx_parser: Allow frame size to be too small

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu May 29 17:26:26 2014 +0200| [fba0ac28055d3dca2846ea41d3326f08455d1a4d] | committer: Michael Niedermayer

avcodec/dpx_parser: Allow frame size to be too small

Fixes Ticket3402

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fba0ac28055d3dca2846ea41d3326f08455d1a4d
---

 libavcodec/dpx_parser.c |   10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/libavcodec/dpx_parser.c b/libavcodec/dpx_parser.c
index 5f29eee..db6ebf7 100644
--- a/libavcodec/dpx_parser.c
+++ b/libavcodec/dpx_parser.c
@@ -68,7 +68,6 @@ static int dpx_parse(AVCodecParserContext *s, AVCodecContext *avctx,
             d->remaining_size -= i;
             if (d->remaining_size)
                 goto flush;
-            next = i;
         }
     }
 
@@ -84,8 +83,15 @@ static int dpx_parse(AVCodecParserContext *s, AVCodecContext *avctx,
             if (d->fsize > buf_size - i + 19)
                 d->remaining_size = d->fsize - buf_size + i - 19;
             else
-                next = d->fsize + i - 19;
+                i += d->fsize - 19;
+
             break;
+        } else if (d->index > 17) {
+            if (d->pc.state == MKBETAG('S','D','P','X') ||
+                d->pc.state == MKTAG('S','D','P','X')) {
+                next = i - 4;
+                break;
+            }
         }
     }