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dv: use smaller type for weight tables

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Reviewed-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet 2014-10-25 11:19:21 +00:00 committed by Michael Niedermayer
parent eacf2e8eb3
commit 80b29c2d0c
3 changed files with 14 additions and 14 deletions
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4
libavcodec/dv.c
View File

@ -206,7 +206,7 @@ int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const AVDVProfile *d)
factor1 = &ctx->idct_factor[0];
factor2 = &ctx->idct_factor[DV_PROFILE_IS_HD(d) ? 4096 : 2816];
if (DV_PROFILE_IS_HD(d)) {
const int *iweight1, *iweight2;
const uint16_t *iweight1, *iweight2;
if (d->height == 720) {
iweight1 = &ff_dv_iweight_720_y[0];
iweight2 = &ff_dv_iweight_720_c[0];
@ -223,7 +223,7 @@ int ff_dv_init_dynamic_tables(DVVideoContext *ctx, const AVDVProfile *d)
}
}
} else {
const int *iweight1 = &ff_dv_iweight_88[0];
const uint16_t *iweight1 = &ff_dv_iweight_88[0];
for (j = 0; j < 2; j++, iweight1 = &ff_dv_iweight_248[0]) {
for (s = 0; s < 22; s++) {
for (i = c = 0; c < 4; c++) {

12
libavcodec/dvdata.c
View File

@ -69,7 +69,7 @@ const uint8_t ff_dv_quant_shifts[22][4] = {
const uint8_t ff_dv_quant_offset[4] = { 6, 3, 0, 1 };
const int ff_dv_iweight_88[64] = {
const uint16_t ff_dv_iweight_88[64] = {
32768, 16710, 16710, 17735, 17015, 17735, 18197, 18079,
18079, 18197, 18725, 18559, 19196, 18559, 18725, 19284,
19108, 19692, 19692, 19108, 19284, 21400, 19645, 20262,
@ -79,7 +79,7 @@ const int ff_dv_iweight_88[64] = {
24600, 25267, 24457, 22672, 24457, 25267, 25971, 25191,
25191, 25971, 26715, 27962, 26715, 29642, 29642, 31536,
};
const int ff_dv_iweight_248[64] = {
const uint16_t ff_dv_iweight_248[64] = {
32768, 17735, 16710, 18079, 18725, 21400, 17735, 19196,
19108, 21845, 16384, 17735, 18725, 21400, 16710, 18079,
20262, 23173, 18197, 19692, 18725, 20262, 20815, 23764,
@ -93,7 +93,7 @@ const int ff_dv_iweight_248[64] = {
/**
* The "inverse" DV100 weights are actually just the spec weights (zig-zagged).
*/
const int ff_dv_iweight_1080_y[64] = {
const uint16_t ff_dv_iweight_1080_y[64] = {
128, 16, 16, 17, 17, 17, 18, 18,
18, 18, 18, 18, 19, 18, 18, 19,
19, 19, 19, 19, 19, 42, 38, 40,
@ -103,7 +103,7 @@ const int ff_dv_iweight_1080_y[64] = {
48, 49, 48, 44, 48, 49, 101, 98,
98, 101, 104, 109, 104, 116, 116, 123,
};
const int ff_dv_iweight_1080_c[64] = {
const uint16_t ff_dv_iweight_1080_c[64] = {
128, 16, 16, 17, 17, 17, 25, 25,
25, 25, 26, 25, 26, 25, 26, 26,
26, 27, 27, 26, 26, 42, 38, 40,
@ -113,7 +113,7 @@ const int ff_dv_iweight_1080_c[64] = {
96, 197, 191, 177, 191, 197, 203, 197,
197, 203, 209, 219, 209, 232, 232, 246,
};
const int ff_dv_iweight_720_y[64] = {
const uint16_t ff_dv_iweight_720_y[64] = {
128, 16, 16, 17, 17, 17, 18, 18,
18, 18, 18, 18, 19, 18, 18, 19,
19, 19, 19, 19, 19, 42, 38, 40,
@ -123,7 +123,7 @@ const int ff_dv_iweight_720_y[64] = {
96, 98, 96, 88, 96, 98, 202, 196,
196, 202, 208, 218, 208, 232, 232, 246,
};
const int ff_dv_iweight_720_c[64] = {
const uint16_t ff_dv_iweight_720_c[64] = {
128, 24, 24, 26, 26, 26, 36, 36,
36, 36, 36, 36, 38, 36, 36, 38,
38, 38, 38, 38, 38, 84, 76, 80,

12
libavcodec/dvdata.h
View File

@ -26,12 +26,12 @@ extern const uint8_t ff_dv_zigzag248_direct[64];
extern const uint8_t ff_dv_quant_shifts[22][4];
extern const uint8_t ff_dv_quant_offset[4];
extern const int ff_dv_iweight_88[64];
extern const int ff_dv_iweight_248[64];
extern const int ff_dv_iweight_1080_y[64];
extern const int ff_dv_iweight_1080_c[64];
extern const int ff_dv_iweight_720_y[64];
extern const int ff_dv_iweight_720_c[64];
extern const uint16_t ff_dv_iweight_88[64];
extern const uint16_t ff_dv_iweight_248[64];
extern const uint16_t ff_dv_iweight_1080_y[64];
extern const uint16_t ff_dv_iweight_1080_c[64];
extern const uint16_t ff_dv_iweight_720_y[64];
extern const uint16_t ff_dv_iweight_720_c[64];
#define NB_DV_VLC 409