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Diffstat (limited to 'libavcodec/svq3.c')
-rw-r--r--libavcodec/svq3.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 76a465b9c0..f95d39fc38 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -223,7 +223,7 @@ static int svq3_decode_end(AVCodecContext *avctx);
static void svq3_luma_dc_dequant_idct_c(int16_t *output, int16_t *input, int qp)
{
- const int qmul = svq3_dequant_coeff[qp];
+ const unsigned qmul = svq3_dequant_coeff[qp];
#define stride 16
int i;
int temp[16];
@@ -248,10 +248,10 @@ static void svq3_luma_dc_dequant_idct_c(int16_t *output, int16_t *input, int qp)
const int z2 = 7 * temp[4 * 1 + i] - 17 * temp[4 * 3 + i];
const int z3 = 17 * temp[4 * 1 + i] + 7 * temp[4 * 3 + i];
- output[stride * 0 + offset] = (z0 + z3) * qmul + 0x80000 >> 20;
- output[stride * 2 + offset] = (z1 + z2) * qmul + 0x80000 >> 20;
- output[stride * 8 + offset] = (z1 - z2) * qmul + 0x80000 >> 20;
- output[stride * 10 + offset] = (z0 - z3) * qmul + 0x80000 >> 20;
+ output[stride * 0 + offset] = (int)((z0 + z3) * qmul + 0x80000) >> 20;
+ output[stride * 2 + offset] = (int)((z1 + z2) * qmul + 0x80000) >> 20;
+ output[stride * 8 + offset] = (int)((z1 - z2) * qmul + 0x80000) >> 20;
+ output[stride * 10 + offset] = (int)((z0 - z3) * qmul + 0x80000) >> 20;
}
}
#undef stride