On Wed, 7 Sep 2011 16:50:49 -0400, Justin Ruggles <[email protected]> wrote: > Based on a patch by Stefano Sabatini. > git.videolan.org/ffmpeg.git > commit e280a4da2ae6fd44f0079358ecc5aa08e388a5ed > --- > libavcodec/8svx.c | 43 +++++++++++++++++++++---------------------- > 1 files changed, 21 insertions(+), 22 deletions(-) > > diff --git a/libavcodec/8svx.c b/libavcodec/8svx.c > index 3155171..2f6d2e5 100644 > --- a/libavcodec/8svx.c > +++ b/libavcodec/8svx.c > @@ -32,29 +32,29 @@ > > /** decoder context */ > typedef struct EightSvxContext { > - int16_t fib_acc; > - const int16_t *table; > + uint8_t fib_acc; > + const int8_t *table; > } EightSvxContext; > > -static const int16_t fibonacci[16] = { -34<<8, -21<<8, -13<<8, -8<<8, > -5<<8, -3<<8, -2<<8, -1<<8, > - 0, 1<<8, 2<<8, 3<<8, 5<<8, 8<<8, > 13<<8, 21<<8 }; > -static const int16_t exponential[16] = { -128<<8, -64<<8, -32<<8, -16<<8, > -8<<8, -4<<8, -2<<8, -1<<8, > - 0, 1<<8, 2<<8, 4<<8, 8<<8, 16<<8, > 32<<8, 64<<8 }; > +static const int8_t fibonacci[16] = { -34, -21, -13, -8, -5, -3, -2, -1, > + 0, 1, 2, 3, 5, 8, 13, 21 }; > +static const int8_t exponential[16] = { -128, -64, -32, -16, -8, -4, -2, -1, > + 0, 1, 2, 4, 8, 16, 32, 64 > }; > > /** > * Delta decode the compressed values in src, and put the resulting > * decoded samples in dst. > */ > -static void delta_decode(int16_t *dst, const uint8_t *src, int src_size, > - int16_t *state, const int16_t *table) > +static void delta_decode(uint8_t *dst, const uint8_t *src, int src_size, > + uint8_t *state, const int8_t *table) > { > - int val = *state; > + uint8_t val = *state; > > while (src_size--) { > - uint8_t d = *src++; > - val = av_clip_int16(val + table[d & 0xF]); > + int d = *src++;
Why are you changing the type of d? -- Anton Khirnov _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
