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Make sure 32x32 coefficients fit in int16_t.

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Fixes mismatches on yt.

Change-Id: I65444137578b29a4984af5c01b2874c5ab086acc
This commit is contained in:
Ronald S. Bultje
2013-04-29 17:38:25 -07:00
parent 0b48548eeb
commit ee0f3a9d31
2 changed files with 2 additions and 16 deletions
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3
vp9/decoder/vp9_detokenize.c
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@@ -85,7 +85,8 @@ DECLARE_ALIGNED(16, extern const uint8_t, vp9_norm[256]);
#define WRITE_COEF_CONTINUE(val, token) \
{ \
qcoeff_ptr[scan[c]] = vp9_read_and_apply_sign(r, val) * dq[c > 0]; \
qcoeff_ptr[scan[c]] = vp9_read_and_apply_sign(r, val) * \
dq[c > 0] / (1 + (txfm_size == TX_32X32)); \
INCREMENT_COUNT(token); \
c++; \
continue; \

15
vp9/decoder/vp9_idct_blk.c
View File

@@ -315,23 +315,12 @@ void vp9_idct_add_32x32_c(int16_t *input, uint8_t *dest, int stride, int eob) {
DECLARE_ALIGNED_ARRAY(16, int16_t, output, 1024);
if (eob) {
input[0] = input[0] / 2;
if (eob == 1) {
vp9_short_idct1_32x32(input, output);
vp9_add_constant_residual_32x32(output[0], dest, stride);
input[0] = 0;
#if !CONFIG_SCATTERSCAN
} else if (eob <= 10) {
input[1] = input[1] / 2;
input[2] = input[2] / 2;
input[3] = input[3] / 2;
input[32] = input[32] / 2;
input[33] = input[33] / 2;
input[34] = input[34] / 2;
input[64] = input[64] / 2;
input[65] = input[65] / 2;
input[96] = input[96] / 2;
// the idct halves ( >> 1) the pitch
vp9_short_idct10_32x32(input, output, 64);
@@ -343,10 +332,6 @@ void vp9_idct_add_32x32_c(int16_t *input, uint8_t *dest, int stride, int eob) {
vp9_add_residual_32x32(output, dest, stride);
#endif
} else {
int i;
for (i = 1; i < 1024; i++)
input[i] = input[i] / 2;
vp9_short_idct32x32(input, output, 64);
vpx_memset(input, 0, 2048);
vp9_add_residual_32x32(output, dest, stride);