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authorMichael Niedermayer <michaelni@gmx.at>2012-03-09 01:22:31 +0100
committerMichael Niedermayer <michaelni@gmx.at>2012-03-09 01:22:31 +0100
commita8cedbebf163ad376abc4703b3156c44d0858404 (patch)
tree7198ad7a96b58d3ea53b2208601b707da2db3c00 /libavcodec/huffyuv.c
parenta4524930d9299dbb8fafe165105d83bf7b6d3b89 (diff)
parentea1d64ab1066145ba919b79a2080f3091d562217 (diff)
downloadffmpeg-a8cedbebf163ad376abc4703b3156c44d0858404.tar.gz
Merge remote-tracking branch 'qatar/master'
* qatar/master: ttadec: unbreak playback of matroska files vorbisdec: avoid invalid memory access Fix uninitialized reads on malformed ogg files. huffyuv: add padding to classic (v1) huffman tables. png: convert to bytestream2 API. dca: include libavutil/mathematics.h for possibly missing M_SQRT1_2 avs: fix infinite loop on end-of-stream. tiffdec: Prevent illegal memory access caused by recycled pointers. rtpenc: Fix the AVRational used for av_rescale_q_rnd wma: fix off-by-one in array bounds check. Conflicts: libavcodec/huffyuv.c libavcodec/pngdec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/huffyuv.c')
-rw-r--r--libavcodec/huffyuv.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/libavcodec/huffyuv.c b/libavcodec/huffyuv.c
index ff52eaac73..81144a1c42 100644
--- a/libavcodec/huffyuv.c
+++ b/libavcodec/huffyuv.c
@@ -82,14 +82,16 @@ typedef struct HYuvContext{
DSPContext dsp;
}HYuvContext;
-static const unsigned char classic_shift_luma[] = {
+#define classic_shift_luma_table_size 42
+static const unsigned char classic_shift_luma[classic_shift_luma_table_size + FF_INPUT_BUFFER_PADDING_SIZE] = {
34,36,35,69,135,232,9,16,10,24,11,23,12,16,13,10,14,8,15,8,
16,8,17,20,16,10,207,206,205,236,11,8,10,21,9,23,8,8,199,70,
69,68, 0,
0,0,0,0,0,0,0,0,
};
-static const unsigned char classic_shift_chroma[] = {
+#define classic_shift_chroma_table_size 59
+static const unsigned char classic_shift_chroma[classic_shift_chroma_table_size + FF_INPUT_BUFFER_PADDING_SIZE] = {
66,36,37,38,39,40,41,75,76,77,110,239,144,81,82,83,84,85,118,183,
56,57,88,89,56,89,154,57,58,57,26,141,57,56,58,57,58,57,184,119,
214,245,116,83,82,49,80,79,78,77,44,75,41,40,39,38,37,36,34, 0,
@@ -396,10 +398,10 @@ static int read_old_huffman_tables(HYuvContext *s){
GetBitContext gb;
int i;
- init_get_bits(&gb, classic_shift_luma, (sizeof(classic_shift_luma)-8)*8);
+ init_get_bits(&gb, classic_shift_luma, classic_shift_luma_table_size*8);
if(read_len_table(s->len[0], &gb)<0)
return -1;
- init_get_bits(&gb, classic_shift_chroma, (sizeof(classic_shift_chroma)-8)*8);
+ init_get_bits(&gb, classic_shift_chroma, classic_shift_chroma_table_size*8);
if(read_len_table(s->len[1], &gb)<0)
return -1;