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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-04-15 13:33:18 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-04-15 13:33:18 +0200 |
| commit | af388237093ed6df6f5118b34ef938a2ca2ffbda (patch) | |
| tree | 8caf0550703e448f522762fbe9e652393a06f181 /libavcodec/indeo5.c | |
| parent | 0846719dd11ab3f7a7caee13e7af71f71d913389 (diff) | |
| download | ffmpeg-af388237093ed6df6f5118b34ef938a2ca2ffbda.tar.gz | |
indeo5: set transform_size like indeo4 does to prevent useage of too large transforms.
I dont know if this is needed, its a precautionary change.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/indeo5.c')
| -rw-r--r-- | libavcodec/indeo5.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/indeo5.c b/libavcodec/indeo5.c index 0b3d946588..50f4dd0c38 100644 --- a/libavcodec/indeo5.c +++ b/libavcodec/indeo5.c @@ -184,30 +184,35 @@ static int decode_gop_header(IVI5DecContext *ctx, AVCodecContext *avctx) band->inv_transform = ff_ivi_inverse_slant_8x8; band->dc_transform = ff_ivi_dc_slant_2d; band->scan = ff_zigzag_direct; + band->transform_size= 8; break; case 1: band->inv_transform = ff_ivi_row_slant8; band->dc_transform = ff_ivi_dc_row_slant; band->scan = ff_ivi_vertical_scan_8x8; + band->transform_size= 8; break; case 2: band->inv_transform = ff_ivi_col_slant8; band->dc_transform = ff_ivi_dc_col_slant; band->scan = ff_ivi_horizontal_scan_8x8; + band->transform_size= 8; break; case 3: band->inv_transform = ff_ivi_put_pixels_8x8; band->dc_transform = ff_ivi_put_dc_pixel_8x8; band->scan = ff_ivi_horizontal_scan_8x8; + band->transform_size= 8; break; case 4: band->inv_transform = ff_ivi_inverse_slant_4x4; band->dc_transform = ff_ivi_dc_slant_2d; band->scan = ff_ivi_direct_scan_4x4; + band->transform_size= 4; break; } @@ -258,6 +263,7 @@ static int decode_gop_header(IVI5DecContext *ctx, AVCodecContext *avctx) band2->inv_transform = band1->inv_transform; band2->dc_transform = band1->dc_transform; band2->is_2d_trans = band1->is_2d_trans; + band2->transform_size= band1->transform_size; } /* reallocate internal structures if needed */ |