diff options
Diffstat (limited to 'meta/recipes-multimedia')
3 files changed, 150 insertions, 0 deletions
diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-huffyuvdec-Check-init_vlc-return-codes.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-huffyuvdec-Check-init_vlc-return-codes.patch new file mode 100644 index 0000000000..e859e443bb --- /dev/null +++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-huffyuvdec-Check-init_vlc-return-codes.patch @@ -0,0 +1,87 @@ +From b666debffec1fcbb19ef377635a53b9a58bca8a4 Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer <michaelni@gmx.at> +Date: Tue, 29 Jan 2013 18:29:41 +0100 +Subject: [PATCH] huffyuvdec: Check init_vlc() return codes. + +Upstream-Status: Backport + +Commit b666debffec1fcbb19ef377635a53b9a58bca8a4 release/1.0 + +Prevents out of array writes + +Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind +Signed-off-by: Michael Niedermayer <michaelni@gmx.at> +(cherry picked from commit f67a0d115254461649470452058fa3c28c0df294) + +Signed-off-by: Michael Niedermayer <michaelni@gmx.at> +--- + libavcodec/huffyuv.c | 14 ++++++++++---- + 1 file changed, 10 insertions(+), 4 deletions(-) + +diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c +index 58da789..993e524 100644 +--- a/gst-libs/ext/libav/libavcodec/huffyuv.c ++++ b/gst-libs/ext/libav/libavcodec/huffyuv.c +@@ -33,6 +33,7 @@ + #include "put_bits.h" + #include "dsputil.h" + #include "thread.h" ++#include "libavutil/avassert.h" + + #define VLC_BITS 11 + +@@ -287,6 +287,7 @@ static void generate_joint_tables(HYuvCo + int len1 = s->len[p][u]; + if (len1 > limit || !len1) + continue; ++ av_assert0(i < (1 << VLC_BITS)); + len[i] = len0 + len1; + bits[i] = (s->bits[0][y] << len1) + s->bits[p][u]; + symbols[i] = (y<<8) + u; +@@ -320,6 +321,7 @@ static void generate_joint_tables(HYuvCo + int len2 = s->len[2][r&255]; + if (len2 > limit1 || !len2) + continue; ++ av_assert0(i < (1 << VLC_BITS)); + len[i] = len0 + len1 + len2; + bits[i] = (code << len2) + s->bits[2][r&255]; + if(s->decorrelate){ +@@ -343,6 +345,7 @@ static void generate_joint_tables(HYuvCo + static int read_huffman_tables(HYuvContext *s, const uint8_t *src, int length){ + GetBitContext gb; + int i; ++ int ret; + + init_get_bits(&gb, src, length*8); + +@@ -353,7 +356,9 @@ static int read_huffman_tables(HYuvConte + return -1; + } + free_vlc(&s->vlc[i]); +- init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0); ++ if ((ret = init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, ++ s->bits[i], 4, 4, 0)) < 0) ++ return ret; + } + + generate_joint_tables(s); +@@ -365,6 +370,7 @@ static int read_old_huffman_tables(HYuvC + #if 1 + GetBitContext gb; + int i; ++ int ret; + + init_get_bits(&gb, classic_shift_luma, sizeof(classic_shift_luma)*8); + if(read_len_table(s->len[0], &gb)<0) +@@ -385,7 +391,9 @@ static int read_old_huffman_tables(HYuvC + + for(i=0; i<3; i++){ + free_vlc(&s->vlc[i]); +- init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0); ++ if ((ret = init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, ++ s->bits[i], 4, 4, 0)) < 0) ++ return ret; + } + + generate_joint_tables(s); +-- diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-huffyuvdec-Skip-len-0-cases.patch b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-huffyuvdec-Skip-len-0-cases.patch new file mode 100644 index 0000000000..94bf4b6fba --- /dev/null +++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg-0.10.13/0001-huffyuvdec-Skip-len-0-cases.patch @@ -0,0 +1,61 @@ +From db0f7f7394e1f994ed38db043f78ed0f10bde0da Mon Sep 17 00:00:00 2001 +From: Michael Niedermayer <michaelni@gmx.at> +Date: Tue, 29 Jan 2013 19:22:33 +0100 +Subject: [PATCH] huffyuvdec: Skip len==0 cases + +Upstream-Status: Backport + +Commit db0f7f7394e1f994ed38db043f78ed0f10bde0da release/1.0 + +Fixes vlc decoding for hypothetical files that would contain such cases. + +Signed-off-by: Michael Niedermayer <michaelni@gmx.at> +(cherry picked from commit 0dfc01c2bbf4b71bb56201bc4a393321e15d1b31) + +Signed-off-by: Michael Niedermayer <michaelni@gmx.at> +--- + libavcodec/huffyuv.c | 10 +++++----- + 1 file changed, 5 insertions(+), 5 deletions(-) + +diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c +index 993e524..72ed351 100644 +--- a/gst-libs/ext/libav/libavcodec/huffyuv.c ++++ b/gst-libs/ext/libav/libavcodec/huffyuv.c +@@ -281,11 +281,11 @@ static void generate_joint_tables(HYuvCo + for(i=y=0; y<256; y++){ + int len0 = s->len[0][y]; + int limit = VLC_BITS - len0; +- if(limit <= 0) ++ if(limit <= 0 || !len0) + continue; + for(u=0; u<256; u++){ + int len1 = s->len[p][u]; +- if(len1 > limit) ++ if (len1 > limit || !len1) + continue; + len[i] = len0 + len1; + bits[i] = (s->bits[0][y] << len1) + s->bits[p][u]; +@@ -308,17 +308,17 @@ static void generate_joint_tables(HYuvCo + for(i=0, g=-16; g<16; g++){ + int len0 = s->len[p0][g&255]; + int limit0 = VLC_BITS - len0; +- if(limit0 < 2) ++ if (limit0 < 2 || !len0) + continue; + for(b=-16; b<16; b++){ + int len1 = s->len[p1][b&255]; + int limit1 = limit0 - len1; +- if(limit1 < 1) ++ if (limit1 < 1 || !len1) + continue; + code = (s->bits[p0][g&255] << len1) + s->bits[p1][b&255]; + for(r=-16; r<16; r++){ + int len2 = s->len[2][r&255]; +- if(len2 > limit1) ++ if (len2 > limit1 || !len2) + continue; + len[i] = len0 + len1 + len2; + bits[i] = (code << len2) + s->bits[2][r&255]; +-- +1.8.5.2.233.g932f7e4 + diff --git a/meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb b/meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb index 05cc404050..847b927f8d 100644 --- a/meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb +++ b/meta/recipes-multimedia/gstreamer/gst-ffmpeg_0.10.13.bb @@ -26,6 +26,8 @@ SRC_URI = "http://gstreamer.freedesktop.org/src/${BPN}/${BPN}-${PV}.tar.bz2 \ file://0001-avformat-mpegtsenc-Check-data-array-size-in-mpegts_w.patch \ file://0001-vqavideo-check-chunk-sizes-before-reading-chunks.patch \ file://0001-avcodec-msrle-use-av_image_get_linesize-to-calculate.patch \ + file://0001-huffyuvdec-Skip-len-0-cases.patch \ + file://0001-huffyuvdec-Check-init_vlc-return-codes.patch \ " SRC_URI[md5sum] = "7f5beacaf1312db2db30a026b36888c4" |