diff options
author | Sergey Sharybin <sergey.vfx@gmail.com> | 2013-03-15 13:46:37 +0400 |
---|---|---|
committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2013-03-15 13:46:37 +0400 |
commit | 1ea16dcf9b5337a7f8983a09d7f92b6164a7670f (patch) | |
tree | 1e22b1bad4d657cb9d315ed51332b9366eb318b5 /source/blender/imbuf/intern/cineon | |
parent | 42660a204a553b331a7d99d4f49987c46707fa2c (diff) |
Patch #34632: DPX/Cineon speed up
Done by Julien Enche (aka trap), thanks!
From the patch comment:
This patch speeds up Cineon/DPX file loading.
Some more checks are done in dpxOpen and cineonOpen functions so IB_test
flag can now be taken into account safely, and an unnecessary call to
IMB_rect_from_float has been removed.
DPX/Cineon file now loads around 3 times faster on my computer.
Own comment:
Ideally, IB_rect shall indeed indicate which buffers to load, however
currently all places which reads image uses this flag.
This fact already mentioned in OpenEXR reader and it shall be fine
to skip doing rect_from_float in readers themselves.
Diffstat (limited to 'source/blender/imbuf/intern/cineon')
-rw-r--r-- | source/blender/imbuf/intern/cineon/cineon_dpx.c | 21 | ||||
-rw-r--r-- | source/blender/imbuf/intern/cineon/cineonlib.c | 10 | ||||
-rw-r--r-- | source/blender/imbuf/intern/cineon/dpxlib.c | 29 |
3 files changed, 45 insertions, 15 deletions
diff --git a/source/blender/imbuf/intern/cineon/cineon_dpx.c b/source/blender/imbuf/intern/cineon/cineon_dpx.c index 6cf628448a2..48bda418d82 100644 --- a/source/blender/imbuf/intern/cineon/cineon_dpx.c +++ b/source/blender/imbuf/intern/cineon/cineon_dpx.c @@ -70,30 +70,23 @@ static struct ImBuf *imb_load_dpx_cineon(unsigned char *mem, size_t size, int us logImageGetSize(image, &width, &height, &depth); - if (width == 0 || height == 0) { - logImageClose(image); - return 0; - } - ibuf = IMB_allocImBuf(width, height, 32, IB_rectfloat | flags); if (ibuf == 0) { logImageClose(image); return 0; } - if (logImageGetDataRGBA(image, ibuf->rect_float, 1) != 0) { - /* Conversion not possible (probably because the format is unsupported) */ - logImageClose(image); - MEM_freeN(ibuf); - return 0; + if (!(flags & IB_test)) { + if (logImageGetDataRGBA(image, ibuf->rect_float, 1) != 0) { + logImageClose(image); + IMB_freeImBuf(ibuf); + return 0; + } + IMB_flipy(ibuf); } logImageClose(image); ibuf->ftype = use_cineon ? CINEON : DPX; - IMB_flipy(ibuf); - - if (flags & IB_rect) - IMB_rect_from_float(ibuf); if (flags & IB_alphamode_detect) ibuf->flags |= IB_alphamode_premul; diff --git a/source/blender/imbuf/intern/cineon/cineonlib.c b/source/blender/imbuf/intern/cineon/cineonlib.c index b858251a6b9..4b9ca1dd539 100644 --- a/source/blender/imbuf/intern/cineon/cineonlib.c +++ b/source/blender/imbuf/intern/cineon/cineonlib.c @@ -196,6 +196,13 @@ LogImageFile *cineonOpen(const unsigned char *byteStuff, int fromMemory, size_t cineon->width = swap_uint(header.imageHeader.element[0].pixels_per_line, cineon->isMSB); cineon->height = swap_uint(header.imageHeader.element[0].lines_per_image, cineon->isMSB); + + if (cineon->width == 0 || cineon->height == 0) { + if (verbose) printf("Cineon: Wrong image dimension: %dx%d\n", cineon->width, cineon->height); + logImageClose(cineon); + return 0; + } + cineon->depth = header.imageHeader.elements_per_image; cineon->srcFormat = format_Cineon; @@ -205,6 +212,7 @@ LogImageFile *cineonOpen(const unsigned char *byteStuff, int fromMemory, size_t cineon->numElements = header.imageHeader.elements_per_image; else { if (verbose) printf("Cineon: Data interleave not supported: %d\n", header.imageHeader.interleave); + logImageClose(cineon); return 0; } @@ -235,6 +243,7 @@ LogImageFile *cineonOpen(const unsigned char *byteStuff, int fromMemory, size_t } else { if (verbose) printf("Cineon: Cineon image depth unsupported: %d\n", cineon->depth); + logImageClose(cineon); return 0; } @@ -264,6 +273,7 @@ LogImageFile *cineonOpen(const unsigned char *byteStuff, int fromMemory, size_t default: /* Not supported */ if (verbose) printf("Cineon: packing unsupported: %d\n", header.imageHeader.packing); + logImageClose(cineon); return 0; } diff --git a/source/blender/imbuf/intern/cineon/dpxlib.c b/source/blender/imbuf/intern/cineon/dpxlib.c index aeebf46a632..10c90b1b891 100644 --- a/source/blender/imbuf/intern/cineon/dpxlib.c +++ b/source/blender/imbuf/intern/cineon/dpxlib.c @@ -192,8 +192,21 @@ LogImageFile *dpxOpen(const unsigned char *byteStuff, int fromMemory, size_t buf dpx->srcFormat = format_DPX; dpx->numElements = swap_ushort(header.imageHeader.elements_per_image, dpx->isMSB); + if (dpx->numElements == 0) { + if (verbose) printf("DPX: Wrong number of elements: %d\n", dpx->numElements); + logImageClose(dpx); + return 0; + } + dpx->width = swap_uint(header.imageHeader.pixels_per_line, dpx->isMSB); dpx->height = swap_uint(header.imageHeader.lines_per_element, dpx->isMSB); + + if (dpx->width == 0 || dpx->height == 0) { + if (verbose) printf("DPX: Wrong image dimension: %dx%d\n", dpx->width, dpx->height); + logImageClose(dpx); + return 0; + } + dpx->depth = 0; for (i = 0; i < dpx->numElements; i++) { @@ -242,8 +255,23 @@ LogImageFile *dpxOpen(const unsigned char *byteStuff, int fromMemory, size_t buf } dpx->element[i].bitsPerSample = header.imageHeader.element[i].bits_per_sample; + if (dpx->element[i].bitsPerSample != 1 && dpx->element[i].bitsPerSample != 8 && + dpx->element[i].bitsPerSample != 10 && dpx->element[i].bitsPerSample != 12 && + dpx->element[i].bitsPerSample != 16) + { + if (verbose) printf("DPX: Unsupported bitsPerSample for elements %d: %d\n", i, dpx->element[i].bitsPerSample); + logImageClose(dpx); + return 0; + } + dpx->element[i].maxValue = powf(2, dpx->element[i].bitsPerSample) - 1.0f; + dpx->element[i].packing = swap_ushort(header.imageHeader.element[i].packing, dpx->isMSB); + if (dpx->element[i].packing > 2) { + if (verbose) printf("DPX: Unsupported packing for element %d: %d\n", i, dpx->element[i].packing); + logImageClose(dpx); + return 0; + } /* Sometimes, the offset is not set correctly in the header */ dpx->element[i].dataOffset = swap_uint(header.imageHeader.element[i].data_offset, dpx->isMSB); @@ -323,7 +351,6 @@ LogImageFile *dpxOpen(const unsigned char *byteStuff, int fromMemory, size_t buf (dpx->referenceWhite == DPX_UNDEFINED_R32 || dpx->referenceWhite <= dpx->referenceBlack || isnan(dpx->referenceWhite)) || (dpx->gamma == DPX_UNDEFINED_R32 || dpx->gamma <= 0 || isnan(dpx->gamma))) { - dpx->referenceBlack = 95.0f / 1023.0f * dpx->element[0].maxValue; dpx->referenceWhite = 685.0f / 1023.0f * dpx->element[0].maxValue; dpx->gamma = 1.7f; |