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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-02-18 00:56:01 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-02-18 00:56:01 +0100 |
| commit | 7378101d41020ee9f4643740ebf1b9142afca557 (patch) | |
| tree | d23ff231538f8385182a4138a2d874fbc72fa378 /libavcodec/pngdec.c | |
| parent | da5f4e4d19917bce4b9213ff3d433ddf30e22fe5 (diff) | |
| parent | 377fabc9e687a3c73fdb235f773f6e9151378ca5 (diff) | |
| download | ffmpeg-7378101d41020ee9f4643740ebf1b9142afca557.tar.gz | |
Merge branch 'release/0.8' into release/0.7
* release/0.8: (92 commits)
Update for 0.8.13
pngdec/filter: dont access out of array elements at the end
aacdec: check channel count
vqavideo: check chunk sizes before reading chunks
eamad: fix out of array accesses
roqvideodec: check dimensions validity
qdm2: check array index before use, fix out of array accesses
alsdec: check block length
huffyuvdec: Skip len==0 cases
huffyuvdec: Check init_vlc() return codes.
Update changelog for 0.7.7 release
mpeg12: do not decode extradata more than once.
indeo4/5: check empty tile size in decode_mb_info().
dfa: improve boundary checks in decode_dds1()
indeo5dec: Make sure we have had a valid gop header.
rv34: error out on size changes with frame threading
rtmp: fix buffer overflows in ff_amf_tag_contents()
rtmp: fix multiple broken overflow checks
Revert "h264: allow cropping to AVCodecContext.width/height"
h264: check ref_count validity for num_ref_idx_active_override_flag
...
Conflicts:
Doxyfile
RELEASE
VERSION
libavcodec/rv34.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/pngdec.c')
| -rw-r--r-- | libavcodec/pngdec.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c index 3c6284fc10..ae932991d3 100644 --- a/libavcodec/pngdec.c +++ b/libavcodec/pngdec.c @@ -148,7 +148,7 @@ static void add_paeth_prediction_c(uint8_t *dst, uint8_t *src, uint8_t *top, int if(bpp >= 2) g = dst[1];\ if(bpp >= 3) b = dst[2];\ if(bpp >= 4) a = dst[3];\ - for(; i < size; i+=bpp) {\ + for(; i <= size - bpp; i+=bpp) {\ dst[i+0] = r = op(r, src[i+0], last[i+0]);\ if(bpp == 1) continue;\ dst[i+1] = g = op(g, src[i+1], last[i+1]);\ @@ -164,13 +164,9 @@ static void add_paeth_prediction_c(uint8_t *dst, uint8_t *src, uint8_t *top, int else if(bpp == 2) UNROLL1(2, op)\ else if(bpp == 3) UNROLL1(3, op)\ else if(bpp == 4) UNROLL1(4, op)\ - else {\ - for (; i < size; i += bpp) {\ - int j;\ - for (j = 0; j < bpp; j++)\ - dst[i+j] = op(dst[i+j-bpp], src[i+j], last[i+j]);\ - }\ - } + for (; i < size; i++) {\ + dst[i] = op(dst[i-bpp], src[i], last[i]);\ + }\ /* NOTE: 'dst' can be equal to 'last' */ static void png_filter_row(PNGDecContext *s, uint8_t *dst, int filter_type, |