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| author | Clément Bœsch <clement@stupeflix.com> | 2015-02-16 17:23:34 +0100 |
|---|---|---|
| committer | Clément Bœsch <clement@stupeflix.com> | 2015-02-16 18:08:45 +0100 |
| commit | dbda57469456f03ed7ba921b97744751d0ccee39 (patch) | |
| tree | eaef9bec89b0eb686ee1ba5960c3dddf28412a2f | |
| parent | 3c63503792147a996997023694a3b45f27ab3f78 (diff) | |
| download | ffmpeg-dbda57469456f03ed7ba921b97744751d0ccee39.tar.gz | |
avcodec/gif: fix off by one in column offsetting finding
(cherry picked from commit f9240ec01abb097263fe578d2b6fb076bb7b9263)
| -rw-r--r-- | libavcodec/gif.c | 4 | ||||
| -rw-r--r-- | tests/ref/fate/gifenc-bgr8 | 10 | ||||
| -rw-r--r-- | tests/ref/fate/gifenc-rgb8 | 10 |
3 files changed, 12 insertions, 12 deletions
diff --git a/libavcodec/gif.c b/libavcodec/gif.c index 27d054e512..def1b83e9d 100644 --- a/libavcodec/gif.c +++ b/libavcodec/gif.c @@ -105,7 +105,7 @@ static int gif_image_write_image(AVCodecContext *avctx, /* skip common columns */ while (x_start < x_end) { int same_column = 1; - for (y = y_start; y < y_end; y++) { + for (y = y_start; y <= y_end; y++) { if (ref[y*ref_linesize + x_start] != buf[y*linesize + x_start]) { same_column = 0; break; @@ -117,7 +117,7 @@ static int gif_image_write_image(AVCodecContext *avctx, } while (x_end > x_start) { int same_column = 1; - for (y = y_start; y < y_end; y++) { + for (y = y_start; y <= y_end; y++) { if (ref[y*ref_linesize + x_end] != buf[y*linesize + x_end]) { same_column = 0; break; diff --git a/tests/ref/fate/gifenc-bgr8 b/tests/ref/fate/gifenc-bgr8 index 9f4a593f4d..f3b7772785 100644 --- a/tests/ref/fate/gifenc-bgr8 +++ b/tests/ref/fate/gifenc-bgr8 @@ -35,15 +35,15 @@ 0, 33, 33, 1, 4295, 0xf71b0b38, S=1, 1024, 0xf351799f 0, 34, 34, 1, 2044, 0x5adcb93b, S=1, 1024, 0xf351799f 0, 35, 35, 1, 3212, 0xcf79eeed, S=1, 1024, 0xf351799f -0, 36, 36, 1, 2281, 0x68464d30, S=1, 1024, 0xf351799f +0, 36, 36, 1, 2292, 0xb4386334, S=1, 1024, 0xf351799f 0, 37, 37, 1, 3633, 0x0010992f, S=1, 1024, 0xf351799f 0, 38, 38, 1, 3552, 0x23697490, S=1, 1024, 0xf351799f 0, 39, 39, 1, 3690, 0x62afdbb8, S=1, 1024, 0xf351799f -0, 40, 40, 1, 1558, 0x7a13e53b, S=1, 1024, 0xf351799f -0, 41, 41, 1, 940, 0xb1b6cba2, S=1, 1024, 0xf351799f +0, 40, 40, 1, 1559, 0x5baef54a, S=1, 1024, 0xf351799f +0, 41, 41, 1, 954, 0xca75ca79, S=1, 1024, 0xf351799f 0, 42, 42, 1, 273, 0x3687799b, S=1, 1024, 0xf351799f 0, 43, 43, 1, 930, 0x29f3b0c4, S=1, 1024, 0xf351799f -0, 44, 44, 1, 271, 0xe7af807c, S=1, 1024, 0xf351799f +0, 44, 44, 1, 271, 0x305e8094, S=1, 1024, 0xf351799f 0, 45, 45, 1, 196, 0xf5ab51ee, S=1, 1024, 0xf351799f 0, 46, 46, 1, 4299, 0x67ec0d55, S=1, 1024, 0xf351799f 0, 47, 47, 1, 4895, 0xb394406c, S=1, 1024, 0xf351799f @@ -56,7 +56,7 @@ 0, 54, 54, 1, 5179, 0x860fc6a1, S=1, 1024, 0xf351799f 0, 55, 55, 1, 5046, 0xce9183d3, S=1, 1024, 0xf351799f 0, 56, 56, 1, 5140, 0xa6d7b9af, S=1, 1024, 0xf351799f -0, 57, 57, 1, 4289, 0xb415f717, S=1, 1024, 0xf351799f +0, 57, 57, 1, 4301, 0x03b6ef3f, S=1, 1024, 0xf351799f 0, 58, 58, 1, 5079, 0xa8d59e01, S=1, 1024, 0xf351799f 0, 59, 59, 1, 5284, 0xea34e3b3, S=1, 1024, 0xf351799f 0, 60, 60, 1, 5426, 0x556a15cd, S=1, 1024, 0xf351799f diff --git a/tests/ref/fate/gifenc-rgb8 b/tests/ref/fate/gifenc-rgb8 index a894173225..d1a990d07e 100644 --- a/tests/ref/fate/gifenc-rgb8 +++ b/tests/ref/fate/gifenc-rgb8 @@ -35,15 +35,15 @@ 0, 33, 33, 1, 4295, 0xc1850a80, S=1, 1024, 0xcfc8799f 0, 34, 34, 1, 2044, 0x0440c072, S=1, 1024, 0xcfc8799f 0, 35, 35, 1, 3212, 0xe91af08f, S=1, 1024, 0xcfc8799f -0, 36, 36, 1, 2281, 0x6a414aa1, S=1, 1024, 0xcfc8799f +0, 36, 36, 1, 2292, 0x6765633e, S=1, 1024, 0xcfc8799f 0, 37, 37, 1, 3633, 0xac779aa3, S=1, 1024, 0xcfc8799f 0, 38, 38, 1, 3552, 0xed2c75b2, S=1, 1024, 0xcfc8799f 0, 39, 39, 1, 3690, 0x2020dd0d, S=1, 1024, 0xcfc8799f -0, 40, 40, 1, 1558, 0x2c14e4b2, S=1, 1024, 0xcfc8799f -0, 41, 41, 1, 940, 0x4927cd90, S=1, 1024, 0xcfc8799f +0, 40, 40, 1, 1559, 0x596ef330, S=1, 1024, 0xcfc8799f +0, 41, 41, 1, 954, 0xac12c9c5, S=1, 1024, 0xcfc8799f 0, 42, 42, 1, 273, 0x138c7831, S=1, 1024, 0xcfc8799f 0, 43, 43, 1, 930, 0xf1c3ae3f, S=1, 1024, 0xcfc8799f -0, 44, 44, 1, 271, 0x6d338044, S=1, 1024, 0xcfc8799f +0, 44, 44, 1, 271, 0x921a80af, S=1, 1024, 0xcfc8799f 0, 45, 45, 1, 196, 0xa5de5322, S=1, 1024, 0xcfc8799f 0, 46, 46, 1, 4299, 0x5bac0d86, S=1, 1024, 0xcfc8799f 0, 47, 47, 1, 4895, 0xc43639a6, S=1, 1024, 0xcfc8799f @@ -56,7 +56,7 @@ 0, 54, 54, 1, 5179, 0x97aac3a1, S=1, 1024, 0xcfc8799f 0, 55, 55, 1, 5046, 0x836a80cd, S=1, 1024, 0xcfc8799f 0, 56, 56, 1, 5140, 0xa725c1e7, S=1, 1024, 0xcfc8799f -0, 57, 57, 1, 4289, 0x7b3afbc0, S=1, 1024, 0xcfc8799f +0, 57, 57, 1, 4301, 0x0203f239, S=1, 1024, 0xcfc8799f 0, 58, 58, 1, 5079, 0xb2e7a2de, S=1, 1024, 0xcfc8799f 0, 59, 59, 1, 5284, 0xb757dfe1, S=1, 1024, 0xcfc8799f 0, 60, 60, 1, 5426, 0xf9f11e57, S=1, 1024, 0xcfc8799f |