On Thu, Apr 12, 2018 at 02:42:11PM +0200, Paul B Mahol wrote: > Signed-off-by: Paul B Mahol <[email protected]> > --- > libavcodec/dxv.c | 1032 > ++++++++++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 1003 insertions(+), 29 deletions(-) > > diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c > index 529e211258..cd7b693663 100644 > --- a/libavcodec/dxv.c > +++ b/libavcodec/dxv.c > @@ -1,6 +1,7 @@ > /* > * Resolume DXV decoder > * Copyright (C) 2015 Vittorio Giovara <[email protected]> > + * Copyright (C) 2018 Paul B Mahol > * > * This file is part of FFmpeg. > *
[...]
> @@ -169,6 +368,728 @@ static int dxv_decompress_dxt1(AVCodecContext *avctx)
> return 0;
> }
>
> +typedef struct OpcodeTable {
> + int16_t next;
> + uint8_t val1;
> + uint8_t val2;
> +} OpcodeTable;
> +
> +static int fill_ltable(GetByteContext *gb, uint32_t *table, int *nb_elements)
> +{
> + unsigned half = 512, bits = 1023, left = 1024, input, mask;
> + int value, counter = 0, rshift = 10, lshift = 30;
> +
> + mask = bytestream2_get_le32(gb) >> 2;
> + while (left) {
> + if (bytestream2_get_bytes_left(gb) < 0 || counter >= 256)
bytestream2_get_bytes_left returns unsigned so it cannot be negative
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
"I am not trying to be anyone's saviour, I'm trying to think about the
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