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avcodec/jpeg2000: Move H band scaling from wavelet into quantization code

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This reduces the number of operations done and is equivalent except for
rounding

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-22 01:56:06 +02:00
parent 69f7ccef8e
commit 6c7b1597c7
8 changed files with 57 additions and 48 deletions
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13
libavcodec/jpeg2000.c
View File

@ -314,8 +314,17 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
av_log(avctx, AV_LOG_ERROR, "Unknown quantization format\n");
break;
}
band->f_stepsize *= 1<<lut_gain[codsty->transform != FF_DWT53][bandno + (reslevelno > 0)];
if (codsty->transform != FF_DWT53) {
switch (bandno + (reslevelno > 0)) {
case 1:
case 2:
band->f_stepsize *= F_LFTG_X * 2;
break;
case 3:
band->f_stepsize *= F_LFTG_X * F_LFTG_X * 4;
break;
}
}
/* FIXME: In openjepg code stespize = stepsize * 0.5. Why?
* If not set output of entropic decoder is not correct. */
if (!av_codec_is_encoder(avctx->codec))

16
libavcodec/jpeg2000dwt.c
View File

@ -197,7 +197,7 @@ static void dwt_encode97_float(DWTContext *s, float *t)
for (i = mh; i < lh; i+=2, j++)
t[w*lp + j] = F_LFTG_X * l[i];
for (i = 1-mh; i < lh; i+=2, j++)
t[w*lp + j] = F_LFTG_K * l[i];
t[w*lp + j] = l[i];
}
// VER_SD
@ -214,7 +214,7 @@ static void dwt_encode97_float(DWTContext *s, float *t)
for (i = mv; i < lv; i+=2, j++)
t[w*j + lp] = F_LFTG_X * l[i];
for (i = 1-mv; i < lv; i+=2, j++)
t[w*j + lp] = F_LFTG_K * l[i];
t[w*j + lp] = l[i];
}
}
}
@ -273,7 +273,7 @@ static void dwt_encode97_int(DWTContext *s, int *t)
for (i = mv; i < lv; i+=2, j++)
t[w*j + lp] = ((l[i] * I_LFTG_X) + (1 << 15)) >> 16;
for (i = 1-mv; i < lv; i+=2, j++)
t[w*j + lp] = ((l[i] * I_LFTG_K) + (1 << 15)) >> 16;
t[w*j + lp] = l[i];
}
// HOR_SD
@ -290,7 +290,7 @@ static void dwt_encode97_int(DWTContext *s, int *t)
for (i = mh; i < lh; i+=2, j++)
t[w*lp + j] = ((l[i] * I_LFTG_X) + (1 << 15)) >> 16;
for (i = 1-mh; i < lh; i+=2, j++)
t[w*lp + j] = ((l[i] * I_LFTG_K) + (1 << 15)) >> 16;
t[w*lp + j] = l[i];
}
}
@ -414,7 +414,7 @@ static void dwt_decode97_float(DWTContext *s, float *t)
for (i = mh; i < lh; i += 2, j++)
l[i] = data[w * lp + j] * F_LFTG_K;
for (i = 1 - mh; i < lh; i += 2, j++)
l[i] = data[w * lp + j] * F_LFTG_X;
l[i] = data[w * lp + j];
sr_1d97_float(line, mh, mh + lh);
@ -430,7 +430,7 @@ static void dwt_decode97_float(DWTContext *s, float *t)
for (i = mv; i < lv; i += 2, j++)
l[i] = data[w * j + lp] * F_LFTG_K;
for (i = 1 - mv; i < lv; i += 2, j++)
l[i] = data[w * j + lp] * F_LFTG_X;
l[i] = data[w * j + lp];
sr_1d97_float(line, mv, mv + lv);
@ -491,7 +491,7 @@ static void dwt_decode97_int(DWTContext *s, int32_t *t)
for (i = mh; i < lh; i += 2, j++)
l[i] = ((data[w * lp + j] * I_LFTG_K) + (1 << 15)) >> 16;
for (i = 1 - mh; i < lh; i += 2, j++)
l[i] = ((data[w * lp + j] * I_LFTG_X) + (1 << 15)) >> 16;
l[i] = data[w * lp + j];
sr_1d97_int(line, mh, mh + lh);
@ -507,7 +507,7 @@ static void dwt_decode97_int(DWTContext *s, int32_t *t)
for (i = mv; i < lv; i += 2, j++)
l[i] = ((data[w * j + lp] * I_LFTG_K) + (1 << 15)) >> 16;
for (i = 1 - mv; i < lv; i += 2, j++)
l[i] = ((data[w * j + lp] * I_LFTG_X) + (1 << 15)) >> 16;
l[i] = data[w * j + lp];
sr_1d97_int(line, mv, mv + lv);

40
tests/ref/fate/j2k-dwt
View File

@ -1,60 +1,60 @@
5/3i, decomp:15 border 151 170 140 183 milli-err2: 0
9/7i, decomp:15 border 151 170 140 183 milli-err2: 5407
9/7i, decomp:15 border 151 170 140 183 milli-err2: 5188
9/7f, decomp:15 border 151 170 140 183 err2: 0.0001
5/3i, decomp:21 border 173 201 81 189 milli-err2: 0
9/7i, decomp:21 border 173 201 81 189 milli-err2: 8289
9/7i, decomp:21 border 173 201 81 189 milli-err2: 6478
9/7f, decomp:21 border 173 201 81 189 err2: 0.0001
5/3i, decomp:22 border 213 227 76 245 milli-err2: 0
9/7i, decomp:22 border 213 227 76 245 milli-err2: 7210
9/7i, decomp:22 border 213 227 76 245 milli-err2: 6539
9/7f, decomp:22 border 213 227 76 245 err2: 0.0001
5/3i, decomp:13 border 134 157 184 203 milli-err2: 0
9/7i, decomp:13 border 134 157 184 203 milli-err2: 17748
9/7i, decomp:13 border 134 157 184 203 milli-err2: 19203
9/7f, decomp:13 border 134 157 184 203 err2: 0.0001
5/3i, decomp: 1 border 204 237 6 106 milli-err2: 0
9/7i, decomp: 1 border 204 237 6 106 milli-err2: 824
9/7i, decomp: 1 border 204 237 6 106 milli-err2: 924
9/7f, decomp: 1 border 204 237 6 106 err2: 0.0000
5/3i, decomp:28 border 76 211 13 210 milli-err2: 0
9/7i, decomp:28 border 76 211 13 210 milli-err2: 11710
9/7i, decomp:28 border 76 211 13 210 milli-err2: 17297
9/7f, decomp:28 border 76 211 13 210 err2: 0.0002
5/3i, decomp:21 border 76 99 43 123 milli-err2: 0
9/7i, decomp:21 border 76 99 43 123 milli-err2: 8555
9/7i, decomp:21 border 76 99 43 123 milli-err2: 9039
9/7f, decomp:21 border 76 99 43 123 err2: 0.0001
5/3i, decomp:15 border 192 243 174 204 milli-err2: 0
9/7i, decomp:15 border 192 243 174 204 milli-err2: 7769
9/7i, decomp:15 border 192 243 174 204 milli-err2: 7693
9/7f, decomp:15 border 192 243 174 204 err2: 0.0001
5/3i, decomp:21 border 17 68 93 204 milli-err2: 0
9/7i, decomp:21 border 17 68 93 204 milli-err2: 7727
9/7i, decomp:21 border 17 68 93 204 milli-err2: 7810
9/7f, decomp:21 border 17 68 93 204 err2: 0.0001
5/3i, decomp:11 border 142 168 82 174 milli-err2: 0
9/7i, decomp:11 border 142 168 82 174 milli-err2: 12277
9/7i, decomp:11 border 142 168 82 174 milli-err2: 18168
9/7f, decomp:11 border 142 168 82 174 err2: 0.0001
5/3i, decomp:23 border 142 209 171 235 milli-err2: 0
9/7i, decomp:23 border 142 209 171 235 milli-err2: 6570
9/7i, decomp:23 border 142 209 171 235 milli-err2: 7313
9/7f, decomp:23 border 142 209 171 235 err2: 0.0001
5/3i, decomp:30 border 37 185 79 245 milli-err2: 0
9/7i, decomp:30 border 37 185 79 245 milli-err2: 12266
9/7i, decomp:30 border 37 185 79 245 milli-err2: 13498
9/7f, decomp:30 border 37 185 79 245 err2: 0.0002
5/3i, decomp: 5 border 129 236 30 243 milli-err2: 0
9/7i, decomp: 5 border 129 236 30 243 milli-err2: 8686
9/7i, decomp: 5 border 129 236 30 243 milli-err2: 8775
9/7f, decomp: 5 border 129 236 30 243 err2: 0.0001
5/3i, decomp:10 border 5 160 146 247 milli-err2: 0
9/7i, decomp:10 border 5 160 146 247 milli-err2: 12231
9/7i, decomp:10 border 5 160 146 247 milli-err2: 13478
9/7f, decomp:10 border 5 160 146 247 err2: 0.0002
5/3i, decomp: 5 border 104 162 6 47 milli-err2: 0
9/7i, decomp: 5 border 104 162 6 47 milli-err2: 7794
9/7i, decomp: 5 border 104 162 6 47 milli-err2: 7808
9/7f, decomp: 5 border 104 162 6 47 err2: 0.0001
5/3i, decomp:24 border 78 250 102 218 milli-err2: 0
9/7i, decomp:24 border 78 250 102 218 milli-err2: 11632
9/7i, decomp:24 border 78 250 102 218 milli-err2: 12570
9/7f, decomp:24 border 78 250 102 218 err2: 0.0002
5/3i, decomp:28 border 86 98 56 79 milli-err2: 0
9/7i, decomp:28 border 86 98 56 79 milli-err2: 11105
9/7i, decomp:28 border 86 98 56 79 milli-err2: 4148
9/7f, decomp:28 border 86 98 56 79 err2: 0.0001
5/3i, decomp: 6 border 95 238 197 214 milli-err2: 0
9/7i, decomp: 6 border 95 238 197 214 milli-err2: 8308
9/7i, decomp: 6 border 95 238 197 214 milli-err2: 7686
9/7f, decomp: 6 border 95 238 197 214 err2: 0.0001
5/3i, decomp:17 border 77 169 93 165 milli-err2: 0
9/7i, decomp:17 border 77 169 93 165 milli-err2: 8820
9/7i, decomp:17 border 77 169 93 165 milli-err2: 12026
9/7f, decomp:17 border 77 169 93 165 err2: 0.0001
5/3i, decomp:22 border 178 187 7 119 milli-err2: 0
9/7i, decomp:22 border 178 187 7 119 milli-err2: 5554
9/7i, decomp:22 border 178 187 7 119 milli-err2: 4971
9/7f, decomp:22 border 178 187 7 119 err2: 0.0000

4
tests/ref/fate/jpeg2000-dcinema
View File

@ -1,3 +1,3 @@
#tb 0: 1/24
0, 0, 0, 1, 12441600, 0x330aac66
0, 1, 1, 1, 12441600, 0x112db395
0, 0, 0, 1, 12441600, 0xbf142791
0, 1, 1, 1, 12441600, 0x6b7a2ab5

8
tests/ref/vsynth/vsynth1-jpeg2000-97
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@ -1,4 +1,4 @@
0c704936bf54fad2b072dc0c8c289bb7 *tests/data/fate/vsynth1-jpeg2000-97.avi
4336566 tests/data/fate/vsynth1-jpeg2000-97.avi
1207ed65ca04d2c91936c4bc73c3a562 *tests/data/fate/vsynth1-jpeg2000-97.out.rawvideo
stddev: 4.36 PSNR: 35.34 MAXDIFF: 51 bytes: 7603200/ 7603200
4c7dbe2451f56a49c29b0b5d7808d74d *tests/data/fate/vsynth1-jpeg2000-97.avi
3661616 tests/data/fate/vsynth1-jpeg2000-97.avi
d079e946a2fb75ad5ce6cb2760d1cc62 *tests/data/fate/vsynth1-jpeg2000-97.out.rawvideo
stddev: 4.63 PSNR: 34.81 MAXDIFF: 54 bytes: 7603200/ 7603200

8
tests/ref/vsynth/vsynth2-jpeg2000-97
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@ -1,4 +1,4 @@
7bb7ccf4e9743888a5bda48f431630cf *tests/data/fate/vsynth2-jpeg2000-97.avi
3124708 tests/data/fate/vsynth2-jpeg2000-97.avi
fe0f3a97aa8c0b2f02dd11ccd1b77ca6 *tests/data/fate/vsynth2-jpeg2000-97.out.rawvideo
stddev: 3.26 PSNR: 37.86 MAXDIFF: 26 bytes: 7603200/ 7603200
c3582d23a1fca31a6218346b82167f88 *tests/data/fate/vsynth2-jpeg2000-97.avi
2451092 tests/data/fate/vsynth2-jpeg2000-97.avi
d1329b49bcfcf74279eb07f7e20ddcec *tests/data/fate/vsynth2-jpeg2000-97.out.rawvideo
stddev: 3.73 PSNR: 36.69 MAXDIFF: 30 bytes: 7603200/ 7603200

8
tests/ref/vsynth/vsynth3-jpeg2000-97
View File

@ -1,4 +1,4 @@
d551b1b1bfc691356e6f45f4386aff1d *tests/data/fate/vsynth3-jpeg2000-97.avi
92144 tests/data/fate/vsynth3-jpeg2000-97.avi
533535dad2ccc7aef3eb0e7ccb239bf2 *tests/data/fate/vsynth3-jpeg2000-97.out.rawvideo
stddev: 4.60 PSNR: 34.87 MAXDIFF: 46 bytes: 86700/ 86700
2f8a9b514fbf1cb034076459463a7b76 *tests/data/fate/vsynth3-jpeg2000-97.avi
83866 tests/data/fate/vsynth3-jpeg2000-97.avi
febc7ef2ae9ec3f34b74d456922ae858 *tests/data/fate/vsynth3-jpeg2000-97.out.rawvideo
stddev: 4.87 PSNR: 34.37 MAXDIFF: 51 bytes: 86700/ 86700

8
tests/ref/vsynth/vsynth_lena-jpeg2000-97
View File

@ -1,4 +1,4 @@
6600b19f6c2e84c599f37d33a295ee35 *tests/data/fate/vsynth_lena-jpeg2000-97.avi
2459730 tests/data/fate/vsynth_lena-jpeg2000-97.avi
9d9c07b0d1936810032820a08d0b0b5d *tests/data/fate/vsynth_lena-jpeg2000-97.out.rawvideo
stddev: 3.01 PSNR: 38.55 MAXDIFF: 27 bytes: 7603200/ 7603200
60808e880f1fd410b010feeca9105f4e *tests/data/fate/vsynth_lena-jpeg2000-97.avi
1931500 tests/data/fate/vsynth_lena-jpeg2000-97.avi
6d775a823d4b96cc6c121665bc7eb359 *tests/data/fate/vsynth_lena-jpeg2000-97.out.rawvideo
stddev: 3.38 PSNR: 37.53 MAXDIFF: 28 bytes: 7603200/ 7603200