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ffmpeg.wasm-core
Commit f99654d4 authored by Ronald S. Bultje's avatar Ronald S. Bultje
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swscale: reintroduce full precision in 16-bit output.

parent ff7913ae
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Showing with 39 additions and 33 deletions
libswscale/swscale.c
View file @ f99654d4
...@@ -202,20 +202,26 @@ yuv2yuvX16_c_template(const int16_t *filter, int filterSize, ...@@ -202,20 +202,26 @@ yuv2yuvX16_c_template(const int16_t *filter, int filterSize,
{ {
#define output_pixel(pos, val) \ #define output_pixel(pos, val) \
if (big_endian) { \ if (big_endian) { \
AV_WB16(pos, av_clip_uint16(val >> shift)); \ AV_WB16(pos, 0x8000 + av_clip_int16(val >> shift)); \
} else { \ } else { \
AV_WL16(pos, av_clip_uint16(val >> shift)); \ AV_WL16(pos, 0x8000 + av_clip_int16(val >> shift)); \
} }
int i; int i;
int shift = 15 + 16 - output_bits - 1; int shift = 15 + 16 - output_bits;
for (i = 0; i < dstW; i++) { for (i = 0; i < dstW; i++) {
int val = 1 << (30-output_bits - 1); int val = 1 << (30-output_bits);
int j; int j;
/* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline
* filters (or anything with negative coeffs, the range can be slightly
* wider in both directions. To account for this overflow, we subtract
* a constant so it always fits in the signed range (assuming a
* reasonable filterSize), and re-add that at the end. */
val -= 0x40000000;
for (j = 0; j < filterSize; j++) for (j = 0; j < filterSize; j++)
val += (src[j][i] * filter[j]) >> 1; val += src[j][i] * filter[j];
output_pixel(&dest[i], val); output_pixel(&dest[i], val);
} }
......
tests/ref/lavfi/pixdesc
View file @ f99654d4
...@@ -40,16 +40,16 @@ yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a ...@@ -40,16 +40,16 @@ yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
yuv422p c9bba4529821d796a6ab09f6a5fd355a yuv422p c9bba4529821d796a6ab09f6a5fd355a
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yuv422p16le f87c81bf16916b64d201359be0b4b6f4 yuv422p16le e3d61fde6978591596bc36b914386623
yuv422p9be 29b71579946940a8c00fa844c9dff507 yuv422p9be 29b71579946940a8c00fa844c9dff507
yuv422p9le 062b7f9cbb972bf36b5bdb1a7623701a yuv422p9le 062b7f9cbb972bf36b5bdb1a7623701a
yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf
yuv444p 0a98447b78fd476aa39686da6a74fa2e yuv444p 0a98447b78fd476aa39686da6a74fa2e
yuv444p10be e65cbae7e4f1892c23defbc8e8052cf6 yuv444p10be e65cbae7e4f1892c23defbc8e8052cf6
yuv444p10le 767179dd82846cf00ee4c340c9c1ab74 yuv444p10le 767179dd82846cf00ee4c340c9c1ab74
yuv444p16be 3ad639fff73e56f3b09dd20c335478d6 yuv444p16be 1c6ea2c2f5e539006112ceec3d4e7d90
yuv444p16le 8a7e66dc91ab7971fd24a9105ff2699b yuv444p16le 20f86bc2f68d2b3f1f2b48b97b2189f4
yuv444p9be 6ab31f4c12b533ce318ecdff83cdd054 yuv444p9be 6ab31f4c12b533ce318ecdff83cdd054
yuv444p9le f0606604a5c08becab6ba500124c4b7c yuv444p9le f0606604a5c08becab6ba500124c4b7c
yuva420p a29884f3f3dfe1e00b961bc17bef3d47 yuva420p a29884f3f3dfe1e00b961bc17bef3d47
......
tests/ref/lavfi/pixfmts_copy
View file @ f99654d4
...@@ -40,16 +40,16 @@ yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a ...@@ -40,16 +40,16 @@ yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
yuv422p c9bba4529821d796a6ab09f6a5fd355a yuv422p c9bba4529821d796a6ab09f6a5fd355a
yuv422p10be bdc13b630fd668b34c6fe1aae28dfc71 yuv422p10be bdc13b630fd668b34c6fe1aae28dfc71
yuv422p10le d0607c260a45c973e6639f4e449730ad yuv422p10le d0607c260a45c973e6639f4e449730ad
yuv422p16be 4e9b3b3467aeebb6a528cee5966800ed yuv422p16be 5499502e1c29534a158a1fe60e889f60
yuv422p16le f87c81bf16916b64d201359be0b4b6f4 yuv422p16le e3d61fde6978591596bc36b914386623
yuv422p9be 29b71579946940a8c00fa844c9dff507 yuv422p9be 29b71579946940a8c00fa844c9dff507
yuv422p9le 062b7f9cbb972bf36b5bdb1a7623701a yuv422p9le 062b7f9cbb972bf36b5bdb1a7623701a
yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf
yuv444p 0a98447b78fd476aa39686da6a74fa2e yuv444p 0a98447b78fd476aa39686da6a74fa2e
yuv444p10be e65cbae7e4f1892c23defbc8e8052cf6 yuv444p10be e65cbae7e4f1892c23defbc8e8052cf6
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yuv444p9be 6ab31f4c12b533ce318ecdff83cdd054 yuv444p9be 6ab31f4c12b533ce318ecdff83cdd054
yuv444p9le f0606604a5c08becab6ba500124c4b7c yuv444p9le f0606604a5c08becab6ba500124c4b7c
yuva420p a29884f3f3dfe1e00b961bc17bef3d47 yuva420p a29884f3f3dfe1e00b961bc17bef3d47
......
tests/ref/lavfi/pixfmts_crop
View file @ f99654d4
...@@ -33,8 +33,8 @@ yuv422p16be 167e4338811a7d272925a4c6417d60da ...@@ -33,8 +33,8 @@ yuv422p16be 167e4338811a7d272925a4c6417d60da
yuv422p16le 3359395d5875d581fa1e975013d30114 yuv422p16le 3359395d5875d581fa1e975013d30114
yuv440p 2472417d980e395ad6843cbb8b633b29 yuv440p 2472417d980e395ad6843cbb8b633b29
yuv444p 1f151980486848c96bc5585ced99003e yuv444p 1f151980486848c96bc5585ced99003e
yuv444p16be 5d0c0ea66ab43c0c590d8c2a9256e43f yuv444p16be 1ce8fcd4712d525af983e6179d6a4f9e
yuv444p16le 3c0a747c1b64feb0ab8dfba92f92579a yuv444p16le 5f1441e18345aadb3f881dac99c6c08a
yuva420p 7536753dfbc7932560fb50c921369a0e yuva420p 7536753dfbc7932560fb50c921369a0e
yuvj420p 21f891093006d42d7683b0e1d773a657 yuvj420p 21f891093006d42d7683b0e1d773a657
yuvj422p 9a43d474c407590ad8f213880586b45e yuvj422p 9a43d474c407590ad8f213880586b45e
......
tests/ref/lavfi/pixfmts_hflip
View file @ f99654d4
...@@ -29,12 +29,12 @@ yuv420p 2d5c80f9ba2ddd85b2aeda3564cc7d64 ...@@ -29,12 +29,12 @@ yuv420p 2d5c80f9ba2ddd85b2aeda3564cc7d64
yuv420p16be 758b0c1e2113b15e7afde48da4e4d024 yuv420p16be 758b0c1e2113b15e7afde48da4e4d024
yuv420p16le 480ccd951dcb806bc875d307e02e50a0 yuv420p16le 480ccd951dcb806bc875d307e02e50a0
yuv422p 6e728f4eb9eae287c224f396d84be6ea yuv422p 6e728f4eb9eae287c224f396d84be6ea
yuv422p16be 69cf0605496c321546899a8442ee64fb yuv422p16be a05d43cd62b790087bd37083174557de
yuv422p16le f0b443fea72f4b6f462859a73b159664 yuv422p16le 6954abebcbc62d81068d58d0c62bdd5b
yuv440p a99e2b57ed601f39852715c9d675d0d3 yuv440p a99e2b57ed601f39852715c9d675d0d3
yuv444p 947e47f7bb5fdccc659d19b7df2b6fc3 yuv444p 947e47f7bb5fdccc659d19b7df2b6fc3
yuv444p16be bc7d53923cff1d7e98d24540845fb64b yuv444p16be 58c012e5ab73b066ef3c2b6411a395f1
yuv444p16le 5df206a93f85ef8b77f5bdc81d9b0a0b yuv444p16le 32c12794e184042a59738ab2de608c8d
yuva420p d83ec0c01498189f179ec574918185f1 yuva420p d83ec0c01498189f179ec574918185f1
yuvj420p df3aaaec3bb157c3bde5f0365af30f4f yuvj420p df3aaaec3bb157c3bde5f0365af30f4f
yuvj422p d113871528d510a192797af59df9c05c yuvj422p d113871528d510a192797af59df9c05c
......
tests/ref/lavfi/pixfmts_null
View file @ f99654d4
...@@ -40,16 +40,16 @@ yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a ...@@ -40,16 +40,16 @@ yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
yuv422p c9bba4529821d796a6ab09f6a5fd355a yuv422p c9bba4529821d796a6ab09f6a5fd355a
yuv422p10be bdc13b630fd668b34c6fe1aae28dfc71 yuv422p10be bdc13b630fd668b34c6fe1aae28dfc71
yuv422p10le d0607c260a45c973e6639f4e449730ad yuv422p10le d0607c260a45c973e6639f4e449730ad
yuv422p16be 4e9b3b3467aeebb6a528cee5966800ed yuv422p16be 5499502e1c29534a158a1fe60e889f60
yuv422p16le f87c81bf16916b64d201359be0b4b6f4 yuv422p16le e3d61fde6978591596bc36b914386623
yuv422p9be 29b71579946940a8c00fa844c9dff507 yuv422p9be 29b71579946940a8c00fa844c9dff507
yuv422p9le 062b7f9cbb972bf36b5bdb1a7623701a yuv422p9le 062b7f9cbb972bf36b5bdb1a7623701a
yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf yuv440p 5a064afe2b453bb52cdb3f176b1aa1cf
yuv444p 0a98447b78fd476aa39686da6a74fa2e yuv444p 0a98447b78fd476aa39686da6a74fa2e
yuv444p10be e65cbae7e4f1892c23defbc8e8052cf6 yuv444p10be e65cbae7e4f1892c23defbc8e8052cf6
yuv444p10le 767179dd82846cf00ee4c340c9c1ab74 yuv444p10le 767179dd82846cf00ee4c340c9c1ab74
yuv444p16be 3ad639fff73e56f3b09dd20c335478d6 yuv444p16be 1c6ea2c2f5e539006112ceec3d4e7d90
yuv444p16le 8a7e66dc91ab7971fd24a9105ff2699b yuv444p16le 20f86bc2f68d2b3f1f2b48b97b2189f4
yuv444p9be 6ab31f4c12b533ce318ecdff83cdd054 yuv444p9be 6ab31f4c12b533ce318ecdff83cdd054
yuv444p9le f0606604a5c08becab6ba500124c4b7c yuv444p9le f0606604a5c08becab6ba500124c4b7c
yuva420p a29884f3f3dfe1e00b961bc17bef3d47 yuva420p a29884f3f3dfe1e00b961bc17bef3d47
......
tests/ref/lavfi/pixfmts_scale
View file @ f99654d4
...@@ -33,23 +33,23 @@ yuv411p 1143e7c5cc28fe0922b051b17733bc4c ...@@ -33,23 +33,23 @@ yuv411p 1143e7c5cc28fe0922b051b17733bc4c
yuv420p fdad2d8df8985e3d17e73c71f713cb14 yuv420p fdad2d8df8985e3d17e73c71f713cb14
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yuv420p9be bb87fddca65d1742412c8d2b1caf96c6 yuv420p9be bb87fddca65d1742412c8d2b1caf96c6
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yuv444p16be 2677f3074d255f9dab625e9e2e092ca5 yuv444p16be 0da9bed80f5542682ab286f3261cf24c
yuv444p16le 65fa92521ef97088599ea83f9508cd5b yuv444p16le a0c5d3c7bf3f181db503cf8e450d1335
yuv444p9be 9ac2643ce7f7e5c4e17c8c9fd8494d4a yuv444p9be 9ac2643ce7f7e5c4e17c8c9fd8494d4a
yuv444p9le 896a1cc9cccca1ba410dd53942d33cc4 yuv444p9le 896a1cc9cccca1ba410dd53942d33cc4
yuva420p 8673a9131fb47de69788863f93a50eb7 yuva420p 8673a9131fb47de69788863f93a50eb7
......
tests/ref/lavfi/pixfmts_vflip
View file @ f99654d4
...@@ -40,16 +40,16 @@ yuv420p9le 7e606310d3f5ff12badf911e8f333471 ...@@ -40,16 +40,16 @@ yuv420p9le 7e606310d3f5ff12badf911e8f333471
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yuva420p c705d1cf061d8c6580ac690b55f92276 yuva420p c705d1cf061d8c6580ac690b55f92276
......
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