[FFmpeg-devel] [PATCH] lavc/mediacodecdec_h264: fix SODB escaping

Matthieu Bouron matthieu.bouron at gmail.com
Tue Sep 6 17:53:17 EEST 2016


From: Matthieu Bouron <matthieu.bouron at stupeflix.com>

Fixes escaping of consecutive 0x00, 0x00, 0x0{0-3} sequences.
---
 libavcodec/mediacodecdec_h264.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/mediacodecdec_h264.c b/libavcodec/mediacodecdec_h264.c
index a141174..4f9d737 100644
--- a/libavcodec/mediacodecdec_h264.c
+++ b/libavcodec/mediacodecdec_h264.c
@@ -104,9 +104,9 @@ static int h264_ps_to_nalu(const uint8_t *src, int src_size, uint8_t **out, int
             }
             *out = p = new;
 
-            i = i + 3;
-            memmove(p + i, p + i - 1, *out_size - i);
-            p[i - 1] = 0x03;
+            i = i + 2;
+            memmove(p + i + 1, p + i, *out_size - (i + 1));
+            p[i] = 0x03;
         }
     }
 done:
-- 
2.9.3



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