From 033a5334badd8af48f13c6fd1e6827f8e3f2c2f3 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 7 Sep 2014 01:42:28 +0200 Subject: [PATCH] avcodec/h264: Allow partial escaping Fixes Ticket3923 Signed-off-by: Michael Niedermayer --- libavcodec/h264.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 0fcc769ef1..4b7ce9c7cb 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -248,7 +248,7 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, #define STARTCODE_TEST \ if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) { \ - if (src[i + 2] != 3) { \ + if (src[i + 2] != 3 && src[i + 2] != 0) { \ /* startcode, so we must be past the end */ \ length = i; \ } \ @@ -320,7 +320,7 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, if (src[si + 2] > 3) { dst[di++] = src[si++]; dst[di++] = src[si++]; - } else if (src[si] == 0 && src[si + 1] == 0) { + } else if (src[si] == 0 && src[si + 1] == 0 && src[si + 2] != 0) { if (src[si + 2] == 3) { // escape dst[di++] = 0; dst[di++] = 0;