virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-08 13:22:53 +02:00
Code Issues Releases Activity

dv: more precise weight table for 8x8

Browse Source 
It is derived from the actual equations of the specs. In
particular, it is closer to the inverse of what the encoder uses.

fate tests accordingly updated.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet 2014-10-25 11:19:22 +00:00 committed by Michael Niedermayer
parent 80b29c2d0c
commit 1086f09da3
8 changed files with 19 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
libavcodec/dvdata.c
View File

@ -70,14 +70,14 @@ const uint8_t ff_dv_quant_shifts[22][4] = {
const uint8_t ff_dv_quant_offset[4] = { 6, 3, 0, 1 };
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,
20214, 20262, 19645, 21400, 22733, 21845, 20867, 20815,
20815, 20867, 21845, 22733, 23173, 23173, 21400, 21400,
21400, 23173, 23173, 24600, 23764, 22017, 22017, 23764,
24600, 25267, 24457, 22672, 24457, 25267, 25971, 25191,
25191, 25971, 26715, 27962, 26715, 29642, 29642, 31536,
32768, 16705, 16705, 17734, 17032, 17734, 18205, 18081,
18081, 18205, 18725, 18562, 19195, 18562, 18725, 19266,
19091, 19705, 19705, 19091, 19266, 21407, 19643, 20267,
20228, 20267, 19643, 21407, 22725, 21826, 20853, 20806,
20806, 20853, 21826, 22725, 23170, 23170, 21407, 21400,
21407, 23170, 23170, 24598, 23786, 22018, 22018, 23786,
24598, 25251, 24465, 22654, 24465, 25251, 25972, 25172,
25172, 25972, 26722, 27969, 26722, 29692, 29692, 31521,
};
const uint16_t ff_dv_iweight_248[64] = {
32768, 17735, 16710, 18079, 18725, 21400, 17735, 19196,

6
tests/ref/lavf/dv_fmt
View File

@ -1,9 +1,9 @@
11be3e5caa2892236b3475c3f7807b76 *./tests/data/lavf/lavf.dv
3600000 ./tests/data/lavf/lavf.dv
./tests/data/lavf/lavf.dv CRC=0x25bdd732
./tests/data/lavf/lavf.dv CRC=0x0b2cd3ec
e9949bc767924e1e7d28856029fee024 *./tests/data/lavf/lavf.dv
3480000 ./tests/data/lavf/lavf.dv
./tests/data/lavf/lavf.dv CRC=0xc4f27ca7
./tests/data/lavf/lavf.dv CRC=0xfab17c4a
87d3b20f656235671383a7eaa2f66330 *./tests/data/lavf/lavf.dv
3600000 ./tests/data/lavf/lavf.dv
./tests/data/lavf/lavf.dv CRC=0x0e868a82
./tests/data/lavf/lavf.dv CRC=0xf3e6873c

2
tests/ref/vsynth/vsynth1-dv
View File

@ -1,4 +1,4 @@
4d572f758b55a1756adf9f54132f3b9e *tests/data/fate/vsynth1-dv.dv
7200000 tests/data/fate/vsynth1-dv.dv
02ac7cdeab91d4d5621e7ce96dddc498 *tests/data/fate/vsynth1-dv.out.rawvideo
1cda5a62c3a2f17cc7d5b4cddccf2524 *tests/data/fate/vsynth1-dv.out.rawvideo
stddev: 6.90 PSNR: 31.34 MAXDIFF: 76 bytes: 7603200/ 7603200

4
tests/ref/vsynth/vsynth1-dv-411
View File

@ -1,4 +1,4 @@
f179899efba432c6f01149c36c709092 *tests/data/fate/vsynth1-dv-411.dv
7200000 tests/data/fate/vsynth1-dv-411.dv
53946d51762b7826773e681fb02f377b *tests/data/fate/vsynth1-dv-411.out.rawvideo
stddev: 9.45 PSNR: 28.62 MAXDIFF: 84 bytes: 7603200/ 7603200
48904744fabbbc3421a762f615ef6456 *tests/data/fate/vsynth1-dv-411.out.rawvideo
stddev: 9.44 PSNR: 28.62 MAXDIFF: 84 bytes: 7603200/ 7603200

2
tests/ref/vsynth/vsynth1-dv-50
View File

@ -1,4 +1,4 @@
a193c5f92bf6e74c604e759d5f4f0f94 *tests/data/fate/vsynth1-dv-50.dv
14400000 tests/data/fate/vsynth1-dv-50.dv
a2ff093e93ffed10f730fa21df02fc50 *tests/data/fate/vsynth1-dv-50.out.rawvideo
41c4df5f2d876fcd5245643b9ded6711 *tests/data/fate/vsynth1-dv-50.out.rawvideo
stddev: 1.72 PSNR: 43.38 MAXDIFF: 29 bytes: 7603200/ 7603200

4
tests/ref/vsynth/vsynth2-dv
View File

@ -1,4 +1,4 @@
85b8d55b0b68bb3fc2e90babb580f9b7 *tests/data/fate/vsynth2-dv.dv
7200000 tests/data/fate/vsynth2-dv.dv
7ec62bd3350a6848364669e6e1e4b9cc *tests/data/fate/vsynth2-dv.out.rawvideo
stddev: 1.71 PSNR: 43.47 MAXDIFF: 33 bytes: 7603200/ 7603200
7dac420637360b031ccae7c5a69c5e0c *tests/data/fate/vsynth2-dv.out.rawvideo
stddev: 1.70 PSNR: 43.47 MAXDIFF: 33 bytes: 7603200/ 7603200

2
tests/ref/vsynth/vsynth2-dv-411
View File

@ -1,4 +1,4 @@
e428508f400327aeb96969c08fb9e1b5 *tests/data/fate/vsynth2-dv-411.dv
7200000 tests/data/fate/vsynth2-dv-411.dv
3cd4b85065d67bfb7fbab3bea4039711 *tests/data/fate/vsynth2-dv-411.out.rawvideo
713ed907fde448c603d6e9aee5efedd1 *tests/data/fate/vsynth2-dv-411.out.rawvideo
stddev: 2.89 PSNR: 38.91 MAXDIFF: 45 bytes: 7603200/ 7603200

2
tests/ref/vsynth/vsynth2-dv-50
View File

@ -1,4 +1,4 @@
0032a07167199e6f49e07fa7ed4d5f62 *tests/data/fate/vsynth2-dv-50.dv
14400000 tests/data/fate/vsynth2-dv-50.dv
af3f2dd5ab62c1a1d98b07d4aeb6852f *tests/data/fate/vsynth2-dv-50.out.rawvideo
56c77e537291536b242857d1056de30c *tests/data/fate/vsynth2-dv-50.out.rawvideo
stddev: 0.82 PSNR: 49.82 MAXDIFF: 12 bytes: 7603200/ 7603200