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swscale: Properly scale YUV

Browse Source 
Only shift limited range luma, and always only shift chroma
for upconversion.

Based off a patch by Michael Niedermayer.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Derek Buitenhuis 2014-12-02 17:08:24 +00:00 committed by Vittorio Giovara
parent 8c0a865ad9
commit 33c827f632
14 changed files with 76 additions and 53 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
libswscale/swscale_unscaled.c
View File

@ -786,6 +786,7 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
int height = (plane == 0 || plane == 3) ? srcSliceH: -((-srcSliceH) >> c->chrDstVSubSample);
const uint8_t *srcPtr = src[plane];
uint8_t *dstPtr = dst[plane] + dstStride[plane] * y;
int shiftonly = plane == 1 || plane == 2 || (!c->srcRange && plane == 0);
if (!dst[plane])
continue;
@ -812,13 +813,24 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
if (is16BPS(c->dstFormat)) {
uint16_t *dstPtr2 = (uint16_t *) dstPtr;
#define COPY9_OR_10TO16(rfunc, wfunc) \
for (i = 0; i < height; i++) { \
for (j = 0; j < length; j++) { \
int srcpx = rfunc(&srcPtr2[j]); \
wfunc(&dstPtr2[j], (srcpx << (16 - src_depth)) | (srcpx >> (2 * src_depth - 16))); \
if (shiftonly) { \
for (i = 0; i < height; i++) { \
for (j = 0; j < length; j++) { \
int srcpx = rfunc(&srcPtr2[j]); \
wfunc(&dstPtr2[j], srcpx << (16 - src_depth)); \
} \
dstPtr2 += dstStride[plane] / 2; \
srcPtr2 += srcStride[plane] / 2; \
} \
} else { \
for (i = 0; i < height; i++) { \
for (j = 0; j < length; j++) { \
int srcpx = rfunc(&srcPtr2[j]); \
wfunc(&dstPtr2[j], (srcpx << (16 - src_depth)) | (srcpx >> (2 * src_depth - 16))); \
} \
dstPtr2 += dstStride[plane] / 2; \
srcPtr2 += srcStride[plane] / 2; \
} \
dstPtr2 += dstStride[plane] / 2; \
srcPtr2 += srcStride[plane] / 2; \
}
if (isBE(c->dstFormat)) {
if (isBE(c->srcFormat)) {
@ -916,13 +928,24 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
}
} else /* 8bit */ {
#define COPY8TO9_OR_10(wfunc) \
for (i = 0; i < height; i++) { \
for (j = 0; j < length; j++) { \
const int srcpx = srcPtr[j]; \
wfunc(&dstPtr2[j], (srcpx << (dst_depth - 8)) | (srcpx >> (16 - dst_depth))); \
if (shiftonly) { \
for (i = 0; i < height; i++) { \
for (j = 0; j < length; j++) { \
const int srcpx = srcPtr[j]; \
wfunc(&dstPtr2[j], srcpx << (dst_depth - 8)); \
} \
dstPtr2 += dstStride[plane] / 2; \
srcPtr += srcStride[plane]; \
} \
} else { \
for (i = 0; i < height; i++) { \
for (j = 0; j < length; j++) { \
const int srcpx = srcPtr[j]; \
wfunc(&dstPtr2[j], (srcpx << (dst_depth - 8)) | (srcpx >> (16 - dst_depth))); \
} \
dstPtr2 += dstStride[plane] / 2; \
srcPtr += srcStride[plane]; \
} \
dstPtr2 += dstStride[plane] / 2; \
srcPtr += srcStride[plane]; \
}
if (isBE(c->dstFormat)) {
COPY8TO9_OR_10(AV_WB16);

2
tests/ref/fate/filter-pixdesc-yuv420p10be
View File

@ -1 +1 @@
pixdesc-yuv420p10be 299fe1d785a3d3dd5e70778700d7fb06
pixdesc-yuv420p10be 2f88c301feeaccd2a5fb55f54fc30be9

2
tests/ref/fate/filter-pixdesc-yuv420p10le
View File

@ -1 +1 @@
pixdesc-yuv420p10le 8aee004e765a5383be0954f5e916b72f
pixdesc-yuv420p10le 93f175084af4e78f97c7710e505f3057

2
tests/ref/fate/filter-pixdesc-yuv420p9be
View File

@ -1 +1 @@
pixdesc-yuv420p9be ce880fa07830e5297c22acf6e20555ce
pixdesc-yuv420p9be 64e36fd90573f67ac2006d103972a79b

2
tests/ref/fate/filter-pixdesc-yuv420p9le
View File

@ -1 +1 @@
pixdesc-yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
pixdesc-yuv420p9le 9ed4b1dfabc53fd9e586ff6c4c43af80

2
tests/ref/fate/filter-pixdesc-yuva420p10be
View File

@ -1 +1 @@
pixdesc-yuva420p10be145366ff1632de3e300d947f49844284
pixdesc-yuva420p10be80d27a23837b18f7e268d33532b89362

2
tests/ref/fate/filter-pixdesc-yuva420p10le
View File

@ -1 +1 @@
pixdesc-yuva420p10led797038552d7f698e4d1db4dfa18ceb0
pixdesc-yuva420p10le62772ae74d4bacbd462607d98ffe556f

2
tests/ref/fate/filter-pixdesc-yuva420p9be
View File

@ -1 +1 @@
pixdesc-yuva420p9be 06b764d85bd3c22e9b7ca4babed84d4f
pixdesc-yuva420p9be ee0e8e3ffeb198e6e20c27de366309ed

2
tests/ref/fate/filter-pixdesc-yuva420p9le
View File

@ -1 +1 @@
pixdesc-yuva420p9le 1f01cdd4fc46f98d4c11b2947307a0e3
pixdesc-yuva420p9le 8b2ba3275e5a90dc10b98af9001e3800

16
tests/ref/fate/filter-pixfmts-copy
View File

@ -40,12 +40,12 @@ uyvy422 adcf64516a19fce44df77082bdb16291
yuv410p 2d9225153c83ee1132397d619d94d1b3
yuv411p 8b298af3e43348ca1b11eb8a3252ac6c
yuv420p eba2f135a08829387e2f698ff72a2939
yuv420p10be 299fe1d785a3d3dd5e70778700d7fb06
yuv420p10le 8aee004e765a5383be0954f5e916b72f
yuv420p10be 2f88c301feeaccd2a5fb55f54fc30be9
yuv420p10le 93f175084af4e78f97c7710e505f3057
yuv420p16be 16c009a235cd52b74791a895423152a3
yuv420p16le 2d59c4f1d0314a5a957a7cfc4b6fabcc
yuv420p9be ce880fa07830e5297c22acf6e20555ce
yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
yuv420p9be 64e36fd90573f67ac2006d103972a79b
yuv420p9le 9ed4b1dfabc53fd9e586ff6c4c43af80
yuv422p c9bba4529821d796a6ab09f6a5fd355a
yuv422p10be 11af7dfafe8bc025c7e3bd82b830fe8a
yuv422p10le ec04efb76efa79bf0d02b21572371a56
@ -62,12 +62,12 @@ yuv444p16le 20f86bc2f68d2b3f1f2b48b97b2189f4
yuv444p9be 6ab31f4c12b533ce318ecdff83cdd054
yuv444p9le f0606604a5c08becab6ba500124c4b7c
yuva420p a29884f3f3dfe1e00b961bc17bef3d47
yuva420p10be 145366ff1632de3e300d947f49844284
yuva420p10le d797038552d7f698e4d1db4dfa18ceb0
yuva420p10be 80d27a23837b18f7e268d33532b89362
yuva420p10le 62772ae74d4bacbd462607d98ffe556f
yuva420p16be 25a335f66a0670911ced818aa42fb670
yuva420p16le 97bf252e6c030f0f0412d3826c2ea259
yuva420p9be 06b764d85bd3c22e9b7ca4babed84d4f
yuva420p9le 1f01cdd4fc46f98d4c11b2947307a0e3
yuva420p9be ee0e8e3ffeb198e6e20c27de366309ed
yuva420p9le 8b2ba3275e5a90dc10b98af9001e3800
yuva422p 92b6815f465297284cdb843711682cee
yuva422p10be fb240ff9ac49b45b1b3d40df2c89e39d
yuva422p10le f767ede9ba1d427faadc963cf41d2412

16
tests/ref/fate/filter-pixfmts-null
View File

@ -40,12 +40,12 @@ uyvy422 adcf64516a19fce44df77082bdb16291
yuv410p 2d9225153c83ee1132397d619d94d1b3
yuv411p 8b298af3e43348ca1b11eb8a3252ac6c
yuv420p eba2f135a08829387e2f698ff72a2939
yuv420p10be 299fe1d785a3d3dd5e70778700d7fb06
yuv420p10le 8aee004e765a5383be0954f5e916b72f
yuv420p10be 2f88c301feeaccd2a5fb55f54fc30be9
yuv420p10le 93f175084af4e78f97c7710e505f3057
yuv420p16be 16c009a235cd52b74791a895423152a3
yuv420p16le 2d59c4f1d0314a5a957a7cfc4b6fabcc
yuv420p9be ce880fa07830e5297c22acf6e20555ce
yuv420p9le 16543fda8f87d94a6cf857d2e8d4461a
yuv420p9be 64e36fd90573f67ac2006d103972a79b
yuv420p9le 9ed4b1dfabc53fd9e586ff6c4c43af80
yuv422p c9bba4529821d796a6ab09f6a5fd355a
yuv422p10be 11af7dfafe8bc025c7e3bd82b830fe8a
yuv422p10le ec04efb76efa79bf0d02b21572371a56
@ -62,12 +62,12 @@ yuv444p16le 20f86bc2f68d2b3f1f2b48b97b2189f4
yuv444p9be 6ab31f4c12b533ce318ecdff83cdd054
yuv444p9le f0606604a5c08becab6ba500124c4b7c
yuva420p a29884f3f3dfe1e00b961bc17bef3d47
yuva420p10be 145366ff1632de3e300d947f49844284
yuva420p10le d797038552d7f698e4d1db4dfa18ceb0
yuva420p10be 80d27a23837b18f7e268d33532b89362
yuva420p10le 62772ae74d4bacbd462607d98ffe556f
yuva420p16be 25a335f66a0670911ced818aa42fb670
yuva420p16le 97bf252e6c030f0f0412d3826c2ea259
yuva420p9be 06b764d85bd3c22e9b7ca4babed84d4f
yuva420p9le 1f01cdd4fc46f98d4c11b2947307a0e3
yuva420p9be ee0e8e3ffeb198e6e20c27de366309ed
yuva420p9le 8b2ba3275e5a90dc10b98af9001e3800
yuva422p 92b6815f465297284cdb843711682cee
yuva422p10be fb240ff9ac49b45b1b3d40df2c89e39d
yuva422p10le f767ede9ba1d427faadc963cf41d2412

16
tests/ref/fate/filter-pixfmts-scale
View File

@ -40,12 +40,12 @@ uyvy422 314bd486277111a95d9369b944fa0400
yuv410p 7df8f6d69b56a8dcb6c7ee908e5018b5
yuv411p 1143e7c5cc28fe0922b051b17733bc4c
yuv420p fdad2d8df8985e3d17e73c71f713cb14
yuv420p10be 27f28a6e09b1c04d0f755035a5db1f43
yuv420p10le a5a1692e026590ba2eddb46b9b827529
yuv420p10be 418039dbd82cf612db88417276aa0d1a
yuv420p10le ff7e5321208ab995b4f95634ebdf192b
yuv420p16be d7270efce54eb59c7b01c14157a1b890
yuv420p16le e85abf00bad940a922b623c91c9026d7
yuv420p9be bb87fddca65d1742412c8d2b1caf96c6
yuv420p9le 828eec50014a41258a5423c1fe56ac97
yuv420p9be ec4983b7a949c0472110a7a2c58e278a
yuv420p9le c136dce5913a722eee44ab72cff664b2
yuv422p 918e37701ee7377d16a8a6c119c56a40
yuv422p10be 315654908d50718e175aae018c484732
yuv422p10le 91bbc78a9a56f659b55abc17722dcc09
@ -62,12 +62,12 @@ yuv444p16le a0c5d3c7bf3f181db503cf8e450d1335
yuv444p9be 9ac2643ce7f7e5c4e17c8c9fd8494d4a
yuv444p9le 896a1cc9cccca1ba410dd53942d33cc4
yuva420p 8673a9131fb47de69788863f93a50eb7
yuva420p10be d92a95061809f251175f5d5e3074930e
yuva420p10le bad90ba2d4c260e379a7aa6dc7760853
yuva420p10be 5ed78d252f3bb41224b9c69508e1d4a7
yuva420p10le ca9b865a5dc4f2658c440b15dfe3fa56
yuva420p16be a61d8ddb646e2d26020fc7ed2a48c1a9
yuva420p16le 90ef774f86ad3177ec57eca8744b4e09
yuva420p9be f7655546446bfdc875243d7cdeb13b30
yuva420p9le ada2b719827059d70ebc57e2a3f9da92
yuva420p9be aefa147c4a8cc6e758a0a76ef99644bd
yuva420p9le 83fb9caae435a587966620ba23fc62ce
yuva422p 3c76ebeca0a7d3aa5f8e31ef80a86ffe
yuva422p10be 01dd539e4a62762a3c97e965c76bb6f7
yuva422p10le 76355d9d8fdcd085a24d48832b72e40b

16
tests/ref/fate/filter-pixfmts-vflip
View File

@ -40,12 +40,12 @@ uyvy422 ffbd36720c77398d9a0d03ce2625928f
yuv410p 7bfb39d7afb49d6a6173e6b23ae321eb
yuv411p 4a90048cc3a65fac150e53289700efe1
yuv420p 2e6d6062e8cad37fb3ab2c433b55f382
yuv420p10be fb0772f5e2b9da20ff826e64c3893137
yuv420p10le e95879e14c4a6805f39643964baf41f7
yuv420p10be 7ce787a888381dd46b0212c099ecaad9
yuv420p10le bf22a1c543a7b3dbc556a0eb9592e179
yuv420p16be 539076782902664a8acf381bf4f713e8
yuv420p16le 0f609e588e5a258644ef85170d70e030
yuv420p9be be40ec975fb2873891643cbbbddbc3b0
yuv420p9le 7e606310d3f5ff12badf911e8f333471
yuv420p9be 9865bf5c4392b56b1c4eb4f5a3fd32f9
yuv420p9le 0f1e371a1374d3cba2205b70cc7cac90
yuv422p d7f5cb44d9b0210d66d6a8762640ab34
yuv422p10be 0be8378c3773e1c0b394315ef4994351
yuv422p10le 6518094fe8de6bee95af21af1e5dc1e1
@ -62,12 +62,12 @@ yuv444p16le 8e83323cf102d6c823a03ae8a7b7e033
yuv444p9be 6ac92b7dc9ab2fc59bee99204886899a
yuv444p9le 85aef13a654953d3455d89770b0d74bd
yuva420p c705d1cf061d8c6580ac690b55f92276
yuva420p10be baa5e3b0ff6d0ebbb0958560cd763c6e
yuva420p10le a36dc59ad55b406e5fee475236e9753c
yuva420p10be 8785f414c4876a8e8acbce25e4b4408b
yuva420p10le 9a6fa75022a9ab5a1653bfc2e0ffbf7f
yuva420p16be bf3b134eb70878df9afba61d03e930b8
yuva420p16le 105d375154329a381aa58379a0a6ec46
yuva420p9be 8273d591e055f48990c29dd905a6cdfd
yuva420p9le 95ced0bb07e422d98db61a35cdb3fb8f
yuva420p9be 8c96b6fddf6a775ad25d8a572e79319b
yuva420p9le 4d06884fff790d125cb352ed92256ac6
yuva422p 6aed0ea657ed51cc047a4fbdd981aec8
yuva422p10be d69a3404984c5fd30c0fc548532bcb6b
yuva422p10le a40c8e6f50e12d94bf7484107ec98559

2
tests/ref/fate/v210
View File

@ -1,2 +1,2 @@
#tb 0: 1/50
0, 0, 0, 1, 3686400, 0x75ee1dde
0, 0, 0, 1, 3686400, 0x8d5c3847