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vlc-gpu
Commit dd4d1605 authored by Gildas Bazin's avatar Gildas Bazin
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* modules/codec/dvbsub.c: extra sanity check for CLUT decoding (patch by timok).

parent cdbc7092
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modules/codec/dvbsub.c
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...@@ -555,21 +555,21 @@ static void decode_clut( decoder_t *p_dec, bs_t *s ) ...@@ -555,21 +555,21 @@ static void decode_clut( decoder_t *p_dec, bs_t *s )
* not have more than 1 bit set to one, but some streams don't * not have more than 1 bit set to one, but some streams don't
* respect this note. */ * respect this note. */
if( i_type & 0x04) if( i_type & 0x04 && i_id < 4 )
{ {
p_clut->c_2b[i_id].Y = y; p_clut->c_2b[i_id].Y = y;
p_clut->c_2b[i_id].Cr = cr; p_clut->c_2b[i_id].Cr = cr;
p_clut->c_2b[i_id].Cb = cb; p_clut->c_2b[i_id].Cb = cb;
p_clut->c_2b[i_id].T = t; p_clut->c_2b[i_id].T = t;
} }
if( i_type & 0x02) if( i_type & 0x02 && i_id < 16 )
{ {
p_clut->c_4b[i_id].Y = y; p_clut->c_4b[i_id].Y = y;
p_clut->c_4b[i_id].Cr = cr; p_clut->c_4b[i_id].Cr = cr;
p_clut->c_4b[i_id].Cb = cb; p_clut->c_4b[i_id].Cb = cb;
p_clut->c_4b[i_id].T = t; p_clut->c_4b[i_id].T = t;
} }
if( i_type & 0x01) if( i_type & 0x01 )
{ {
p_clut->c_8b[i_id].Y = y; p_clut->c_8b[i_id].Y = y;
p_clut->c_8b[i_id].Cr = cr; p_clut->c_8b[i_id].Cr = cr;
......
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