mirror of
git://nv-tegra.nvidia.com/tegra/v4l2-src/v4l2_libs.git
synced 2025-12-22 09:21:28 +03:00
Updating prebuilts and/or headers
f751b481c4a9203345cdbb6459d0f2882f7cdbd9 - include/libv4lconvert.h 6feb5b2b8c99c99712dd1ea7fe9ab674d58bf86b - include/libv4l1.h f2b73fa5ab10ea7038e58bd9a4461d8e16316249 - include/libv4l1-videodev.h bc44111fd6b2f0374a9fc67b1b23666c5c498b2c - include/libv4l2rds.h 94434b9692371b7d5f54ddef2141d22d90079ce9 - include/libv4l-plugin.h c84a9a115a21d1fd20da0f6ca3df7b46dd23cd2a - include/config.h 1edc439e6c0fc98513fa4a69557eb6221d043be0 - include/libv4l2.h 2f55ba765c689500401111747bb381b5aca77b30 - include/libdvbv5/desc_ca.h 4c412880f0c49cd00cb16e56eed082c4744211a5 - include/libdvbv5/countries.h c1212a9308d96730de547648d3cda2fc144d0e29 - include/libdvbv5/desc_atsc_service_location.h 4fe7def34ff640fc5e327b3596298169fdfe2f1c - include/libdvbv5/mpeg_ts.h ef979f3276cc3cad6e947865a42643fbba860c69 - include/libdvbv5/mgt.h ac87e3306569dae329809f27ef227c5d50f0b60e - include/libdvbv5/desc_event_short.h 98365b48442b9e3abb58101983b5da8c14f78289 - include/libdvbv5/dvb-v5-std.h 9a2b20076d6728b5799096e4149e33a73119e1ef - include/libdvbv5/desc_sat.h c8b4fc511833f0993fa740a529e1f61e0f5a216f - include/libdvbv5/mpeg_es.h 44ab16a8d4eae09690c71a6301927c1da55dda6d - include/libdvbv5/descriptors.h 9d523ee179af955a687662996050ee3cfaacf2ab - include/libdvbv5/crc32.h c18291ff9009bfe71a2c7c6f0fce75331dc95e30 - include/libdvbv5/sdt.h 02168c58e3c772f116f075085579ac4a8422e819 - include/libdvbv5/desc_terrestrial_delivery.h bdf514383ca0afe981cf4fd6af86440db2dc6667 - include/libdvbv5/pat.h 22c83d133e5c1d2648efb3028e0d89c970d0aad4 - include/libdvbv5/desc_partial_reception.h 96db22ef84892a36d5df3cffa0b30d5bad01939c - include/libdvbv5/desc_logical_channel.h 73b7b0cf684de0e8a4eae49a8521f81b411d7b72 - include/libdvbv5/desc_ts_info.h 7fb0966c6a1ccdf1a8844aed4a94d4ae1d02fcd7 - include/libdvbv5/dvb-fe.h 6e6fd4c61c1f61006c63214cbe4868d49428ddb9 - include/libdvbv5/mpeg_pes.h efa3a711499f68ae370d49d98dc1963bf6bafcd8 - include/libdvbv5/desc_extension.h d562371bb8a3b961c4d63a0f5618453bdff4bcd3 - include/libdvbv5/dvb-log.h b72b6d1ffcdd81e3e631c7c20bb30e5c287dc7ff - include/libdvbv5/vct.h 92d4c28148d0b537c8afc289e1a76de68435cba0 - include/libdvbv5/dvb-scan.h 6bd2ed0beaf6aa4838e239198564fd8e1d20a3a1 - include/libdvbv5/desc_t2_delivery.h ad13bfa0b1642fc72cca387e62bc193974c8d5ee - include/libdvbv5/atsc_header.h 450fab787e61210c0c5f527df92c31c90b44a113 - include/libdvbv5/desc_service.h 9b5cfad4a5f41cbf886507da6e79b07314827b32 - include/libdvbv5/desc_language.h e81b7f75c11f175cf365fc7fb535e80828f10e24 - include/libdvbv5/dvb-file.h 30e9a7240938943de2725f2b335b19ad320179a5 - include/libdvbv5/header.h 188fc2cbec97288787a7f66554a4b6288224f980 - include/libdvbv5/desc_isdbt_delivery.h 7645dda247bcd45628afbb74ec2707a47050992e - include/libdvbv5/nit.h 1ba874a7cad36ff31e4af3bfb37b98c05063d6b2 - include/libdvbv5/desc_event_extended.h 146f4f53fc49c66b59905249c0142efffd72fc54 - include/libdvbv5/desc_network_name.h 5b4a5e7fb30a7f28118be012837e73a7151d2619 - include/libdvbv5/cat.h d7a096d51e3050c8f52e0e2111d88b71a5313da1 - include/libdvbv5/dvb-demux.h 40a06b5375dbc0de88a15d26cc6c1e9a505119bc - include/libdvbv5/eit.h 7544b5fb8f621a9c637c40d8f7a2a71f6ab4bd63 - include/libdvbv5/desc_hierarchy.h 2560f18846a535a2c02e1ae449511e731f11c011 - include/libdvbv5/desc_ca_identifier.h 100c02ce3bc364ddff895c75f4fb1f928a748d2d - include/libdvbv5/desc_cable_delivery.h 7a6093b13354d054cac78ea118a96e813cac3395 - include/libdvbv5/atsc_eit.h cabecc6d7c9fdf1c437273bd6a746bf83c156f72 - include/libdvbv5/desc_frequency_list.h b867a2e7941d718aa64b2f6a1402322b616cb2da - include/libdvbv5/pmt.h fb8d640da36b6a156cbe0ef12dc25468de89a2a1 - include/libdvbv5/dvb-sat.h 5e2dfc1d9a71805389e9a7932812695d0309050c - include/libdvbv5/dvb-frontend.h 5430e46abb1ac7039ed0309ca338237533ff29c9 - libv4lconvert/sn9c20x.c f4d73412805f12fa08dd79a43798a7f8d7acece9 - libv4lconvert/pac207.c 3c49d99b9753208a9c1c2a9c738a1e7ad291ca22 - libv4lconvert/jpeg_memsrcdest.h ddd39b2fe0e2a86a6c64031ccc0d36edfd9b0f1a - libv4lconvert/sn9c10x.c 463725aa4dd3fecaf89c0b8bbf4747f8f7577935 - libv4lconvert/jpeg.c fa751ff0f78845f3b4591396710df3b165bc8d11 - libv4lconvert/mr97310a.c 3e8e6c1fb85e3c4b58c4e9b2b0a223ddc793edcb - libv4lconvert/libv4lconvert.pc.in b2c19c2eac71d39d3fb883cdc159a69c2afa8fd6 - libv4lconvert/ov511-decomp.c f08c902ecd48c2739956606b502fc0b8e4007703 - libv4lconvert/crop.c 1949e23fe99ccd0a05dcd084848f6d38b0af7ab6 - libv4lconvert/hm12.c 1d9c446cd8a232da87bd79acebc93e018ec72499 - libv4lconvert/jidctflt.c 8b7644ac3d5c4161cfb6dcc2a34013f4c379c665 - libv4lconvert/libv4lconvert.export ebebd4b880fc415f09f76597b2ac7f30e79212b9 - libv4lconvert/Makefile ff7444c48a8da88f8a466cfb138e30e585828cb3 - libv4lconvert/jl2005bcd.c 033894511bd7e8a374a52486889658faa17918c4 - libv4lconvert/flip.c 25130d299463897a09e8b9adf72389dac2e89fa4 - libv4lconvert/tinyjpeg-internal.h cc3f3e94a21795990610e63887c30528bde7b42e - libv4lconvert/bayer.c 1f1d1e05443c4b824cd697c0ce5efa9ea1277964 - libv4lconvert/ov518-decomp.c 3271d74d02e2f33c16e3e50aeb1268eb9c440782 - libv4lconvert/rgbyuv.c 725c9b8d0bfadba566cf200921e602961cb12705 - libv4lconvert/spca561-decompress.c 84c9c3812d4b5f237c8cd616d37fc1161a212acc - libv4lconvert/se401.c b694b6348e035b3da880824c2c2768145c9b5199 - libv4lconvert/jpeg_memsrcdest.c 66dd7958319442bd52ba40ede28fbfe31bb4e074 - libv4lconvert/cpia1.c 6ad4947dca51a7e67e056561cdb445d6c354d23c - libv4lconvert/libv4lconvert.c cc8982bb6f753249181c715fe6430ffefc78c23b - libv4lconvert/stv0680.c 72953a5a3a56b0188d35f49246356b9c8c35756c - libv4lconvert/helper.c db3c69c666e451c5d4ef6d1b5a3117f4b128baa4 - libv4lconvert/libv4lconvert-priv.h 803c4d0b9364050eda163452b8792e62e221ab6d - libv4lconvert/tinyjpeg.h fb3344cfa8df97688332ee4fd3b17968437e8ad5 - libv4lconvert/helper-funcs.h 60e29f95ea52df4407d771330897813cdb38340f - libv4lconvert/libv4lsyscall-priv.h fbbffd8182b4fe2e85289b6e784f70cba7ea7b1d - libv4lconvert/sq905c.c 4eff5c1a5e0b99ce4d6e9aa63645d9628467fdc3 - libv4lconvert/sn9c2028-decomp.c 22a502c238e48f4b939c81de41feccfc7c366766 - libv4lconvert/Makefile.dGPU d6c1aba89bbcb6fef46a6f22b7ea01025435c44d - libv4lconvert/Makefile.am be9e3bf3d7d1086b6eed0c1bf2f574c2b1737c00 - libv4lconvert/tinyjpeg.c f061a4e0e45ca8e0dbab630dd477e19a6c915fda - libv4lconvert/spca501.c 07f8e7c84abfbbe76d49d8bfd1f4eae6ea39a90b - libv4lconvert/jpgl.c 1e08fb01a598d71e3fc69656c4f2291f7dc13105 - libv4lconvert/control/libv4lcontrol.h 70f4992835e964b2698473971904375333e3659b - libv4lconvert/control/libv4lcontrol-priv.h 19a7fd04cdeba61172f281806d030472dee79fcd - libv4lconvert/control/libv4lcontrol.c 0390d660eb130f0e580832bcf8ad5069010d2696 - libv4lconvert/processing/libv4lprocessing.h 7da402829dbff238ca6ac829c037a85476185db6 - libv4lconvert/processing/autogain.c a54c2cb0439e606af01d0b4f02704f411819d98c - libv4lconvert/processing/libv4lprocessing.c dae9c69b7f019d7d4494cd56e2cf757e8510824a - libv4lconvert/processing/whitebalance.c 33ab91b54108e8c24cbb80c5c335d96391d440b2 - libv4lconvert/processing/libv4lprocessing-priv.h ebf12bcf99f35fb9c400b04a1439e68598268249 - libv4lconvert/processing/gamma.c 2835a7389ec7591d4ff4a6d552afe7d947548608 - libv4l2/libv4l2.c b89578e115fc3704f6e4c0eb73eeea844788c10e - libv4l2/Makefile 2c6d79307968536d738adf5a70109eb77aee4faf - libv4l2/log.c 9d456d1772885d900865a8958c0291e13d509de5 - libv4l2/v4l2convert.c cbcee4426c19c168c6f49d04af3a0b2e30c0b681 - libv4l2/libv4l2.pc.in 766aaca553b0166eb736557e44ad42b69464aa53 - libv4l2/libv4l2.export 2542aabb7fbff4b1a09faaadec6006c4410a6d10 - libv4l2/libv4l2-priv.h 4ba98a607592ed0b8327b387af354544c65c9b67 - libv4l2/v4l2-plugin-android.c ffecae84262f548deac1da0fa51f1aba6b6f96a0 - libv4l2/Makefile.dGPU 8e335567bf404eeb3d180dd384309f687f2ab944 - libv4l2/Makefile.am e6516370c43e4869e05a540d2e4ef584ac64890a - libv4l2/v4l2-plugin.c Change-Id: I3f0c60482ee0214dd1a16e1fc48c6890d39debcf
This commit is contained in:
svcmobrel-release
632
libv4lconvert/bayer.c
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632
libv4lconvert/bayer.c
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/*
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* lib4lconvert, video4linux2 format conversion lib
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* (C) 2008 Hans de Goede <hdegoede@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License, version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
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*
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* Note: original bayer_to_bgr24 code from :
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* 1394-Based Digital Camera Control Library
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*
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* Bayer pattern decoding functions
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*
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* Written by Damien Douxchamps and Frederic Devernay
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*
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* Note that the original bayer.c in libdc1394 supports many different
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* bayer decode algorithms, for lib4lconvert the one in this file has been
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* chosen (and optimized a bit) and the other algorithms have been removed,
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* see bayer.c from libdc1394 for all supported algorithms
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*/
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#include <string.h>
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#include "libv4lconvert-priv.h"
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/**************************************************************
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* Color conversion functions for cameras that can *
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* output raw-Bayer pattern images, such as some Basler and *
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* Point Grey camera. Most of the algos presented here come *
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* from http://www-ise.stanford.edu/~tingchen/ and have been *
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* converted from Matlab to C and extended to all elementary *
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* patterns. *
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**************************************************************/
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/* inspired by OpenCV's Bayer decoding */
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static void v4lconvert_border_bayer_line_to_bgr24(
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const unsigned char *bayer, const unsigned char *adjacent_bayer,
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unsigned char *bgr, int width, const int start_with_green, const int blue_line)
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{
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int t0, t1;
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if (start_with_green) {
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/* First pixel */
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if (blue_line) {
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*bgr++ = bayer[1];
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*bgr++ = bayer[0];
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*bgr++ = adjacent_bayer[0];
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} else {
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*bgr++ = adjacent_bayer[0];
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*bgr++ = bayer[0];
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*bgr++ = bayer[1];
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}
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/* Second pixel */
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t0 = (bayer[0] + bayer[2] + adjacent_bayer[1] + 1) / 3;
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t1 = (adjacent_bayer[0] + adjacent_bayer[2] + 1) >> 1;
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if (blue_line) {
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*bgr++ = bayer[1];
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*bgr++ = t0;
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*bgr++ = t1;
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} else {
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*bgr++ = t1;
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*bgr++ = t0;
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*bgr++ = bayer[1];
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}
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bayer++;
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adjacent_bayer++;
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width -= 2;
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} else {
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/* First pixel */
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t0 = (bayer[1] + adjacent_bayer[0] + 1) >> 1;
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if (blue_line) {
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*bgr++ = bayer[0];
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*bgr++ = t0;
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*bgr++ = adjacent_bayer[1];
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} else {
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*bgr++ = adjacent_bayer[1];
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*bgr++ = t0;
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*bgr++ = bayer[0];
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}
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width--;
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}
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if (blue_line) {
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for ( ; width > 2; width -= 2) {
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t0 = (bayer[0] + bayer[2] + 1) >> 1;
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*bgr++ = t0;
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*bgr++ = bayer[1];
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*bgr++ = adjacent_bayer[1];
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bayer++;
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adjacent_bayer++;
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t0 = (bayer[0] + bayer[2] + adjacent_bayer[1] + 1) / 3;
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t1 = (adjacent_bayer[0] + adjacent_bayer[2] + 1) >> 1;
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*bgr++ = bayer[1];
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*bgr++ = t0;
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*bgr++ = t1;
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bayer++;
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adjacent_bayer++;
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}
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} else {
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for ( ; width > 2; width -= 2) {
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t0 = (bayer[0] + bayer[2] + 1) >> 1;
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*bgr++ = adjacent_bayer[1];
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*bgr++ = bayer[1];
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*bgr++ = t0;
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bayer++;
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adjacent_bayer++;
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t0 = (bayer[0] + bayer[2] + adjacent_bayer[1] + 1) / 3;
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t1 = (adjacent_bayer[0] + adjacent_bayer[2] + 1) >> 1;
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*bgr++ = t1;
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*bgr++ = t0;
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*bgr++ = bayer[1];
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bayer++;
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adjacent_bayer++;
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}
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}
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if (width == 2) {
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/* Second to last pixel */
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t0 = (bayer[0] + bayer[2] + 1) >> 1;
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if (blue_line) {
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*bgr++ = t0;
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*bgr++ = bayer[1];
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*bgr++ = adjacent_bayer[1];
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} else {
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*bgr++ = adjacent_bayer[1];
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*bgr++ = bayer[1];
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*bgr++ = t0;
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}
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/* Last pixel */
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t0 = (bayer[1] + adjacent_bayer[2] + 1) >> 1;
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if (blue_line) {
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*bgr++ = bayer[2];
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*bgr++ = t0;
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*bgr++ = adjacent_bayer[1];
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} else {
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*bgr++ = adjacent_bayer[1];
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*bgr++ = t0;
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*bgr++ = bayer[2];
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}
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} else {
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/* Last pixel */
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if (blue_line) {
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*bgr++ = bayer[0];
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*bgr++ = bayer[1];
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*bgr++ = adjacent_bayer[1];
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} else {
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*bgr++ = adjacent_bayer[1];
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*bgr++ = bayer[1];
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*bgr++ = bayer[0];
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}
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}
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}
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/* From libdc1394, which on turn was based on OpenCV's Bayer decoding */
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static void bayer_to_rgbbgr24(const unsigned char *bayer,
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unsigned char *bgr, int width, int height, const unsigned int stride, unsigned int pixfmt,
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int start_with_green, int blue_line)
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{
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/* render the first line */
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v4lconvert_border_bayer_line_to_bgr24(bayer, bayer + stride, bgr, width,
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start_with_green, blue_line);
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bgr += width * 3;
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/* reduce height by 2 because of the special case top/bottom line */
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for (height -= 2; height; height--) {
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int t0, t1;
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/* (width - 2) because of the border */
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const unsigned char *bayer_end = bayer + (width - 2);
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if (start_with_green) {
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t0 = (bayer[1] + bayer[stride * 2 + 1] + 1) >> 1;
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/* Write first pixel */
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t1 = (bayer[0] + bayer[stride * 2] + bayer[stride + 1] + 1) / 3;
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if (blue_line) {
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*bgr++ = t0;
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*bgr++ = t1;
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*bgr++ = bayer[stride];
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} else {
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*bgr++ = bayer[stride];
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*bgr++ = t1;
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*bgr++ = t0;
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}
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/* Write second pixel */
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t1 = (bayer[stride] + bayer[stride + 2] + 1) >> 1;
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if (blue_line) {
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*bgr++ = t0;
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*bgr++ = bayer[stride + 1];
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*bgr++ = t1;
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} else {
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*bgr++ = t1;
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*bgr++ = bayer[stride + 1];
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*bgr++ = t0;
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}
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bayer++;
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} else {
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/* Write first pixel */
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t0 = (bayer[0] + bayer[stride * 2] + 1) >> 1;
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if (blue_line) {
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*bgr++ = t0;
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*bgr++ = bayer[stride];
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*bgr++ = bayer[stride + 1];
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} else {
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*bgr++ = bayer[stride + 1];
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*bgr++ = bayer[stride];
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*bgr++ = t0;
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}
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}
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if (blue_line) {
|
||||
for (; bayer <= bayer_end - 2; bayer += 2) {
|
||||
t0 = (bayer[0] + bayer[2] + bayer[stride * 2] +
|
||||
bayer[stride * 2 + 2] + 2) >> 2;
|
||||
t1 = (bayer[1] + bayer[stride] + bayer[stride + 2] +
|
||||
bayer[stride * 2 + 1] + 2) >> 2;
|
||||
*bgr++ = t0;
|
||||
*bgr++ = t1;
|
||||
*bgr++ = bayer[stride + 1];
|
||||
|
||||
t0 = (bayer[2] + bayer[stride * 2 + 2] + 1) >> 1;
|
||||
t1 = (bayer[stride + 1] + bayer[stride + 3] + 1) >> 1;
|
||||
*bgr++ = t0;
|
||||
*bgr++ = bayer[stride + 2];
|
||||
*bgr++ = t1;
|
||||
}
|
||||
} else {
|
||||
for (; bayer <= bayer_end - 2; bayer += 2) {
|
||||
t0 = (bayer[0] + bayer[2] + bayer[stride * 2] +
|
||||
bayer[stride * 2 + 2] + 2) >> 2;
|
||||
t1 = (bayer[1] + bayer[stride] + bayer[stride + 2] +
|
||||
bayer[stride * 2 + 1] + 2) >> 2;
|
||||
*bgr++ = bayer[stride + 1];
|
||||
*bgr++ = t1;
|
||||
*bgr++ = t0;
|
||||
|
||||
t0 = (bayer[2] + bayer[stride * 2 + 2] + 1) >> 1;
|
||||
t1 = (bayer[stride + 1] + bayer[stride + 3] + 1) >> 1;
|
||||
*bgr++ = t1;
|
||||
*bgr++ = bayer[stride + 2];
|
||||
*bgr++ = t0;
|
||||
}
|
||||
}
|
||||
|
||||
if (bayer < bayer_end) {
|
||||
/* write second to last pixel */
|
||||
t0 = (bayer[0] + bayer[2] + bayer[stride * 2] +
|
||||
bayer[stride * 2 + 2] + 2) >> 2;
|
||||
t1 = (bayer[1] + bayer[stride] + bayer[stride + 2] +
|
||||
bayer[stride * 2 + 1] + 2) >> 2;
|
||||
if (blue_line) {
|
||||
*bgr++ = t0;
|
||||
*bgr++ = t1;
|
||||
*bgr++ = bayer[stride + 1];
|
||||
} else {
|
||||
*bgr++ = bayer[stride + 1];
|
||||
*bgr++ = t1;
|
||||
*bgr++ = t0;
|
||||
}
|
||||
/* write last pixel */
|
||||
t0 = (bayer[2] + bayer[stride * 2 + 2] + 1) >> 1;
|
||||
if (blue_line) {
|
||||
*bgr++ = t0;
|
||||
*bgr++ = bayer[stride + 2];
|
||||
*bgr++ = bayer[stride + 1];
|
||||
} else {
|
||||
*bgr++ = bayer[stride + 1];
|
||||
*bgr++ = bayer[stride + 2];
|
||||
*bgr++ = t0;
|
||||
}
|
||||
|
||||
bayer++;
|
||||
|
||||
} else {
|
||||
/* write last pixel */
|
||||
t0 = (bayer[0] + bayer[stride * 2] + 1) >> 1;
|
||||
t1 = (bayer[1] + bayer[stride * 2 + 1] + bayer[stride] + 1) / 3;
|
||||
if (blue_line) {
|
||||
*bgr++ = t0;
|
||||
*bgr++ = t1;
|
||||
*bgr++ = bayer[stride + 1];
|
||||
} else {
|
||||
*bgr++ = bayer[stride + 1];
|
||||
*bgr++ = t1;
|
||||
*bgr++ = t0;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/* skip 2 border pixels and padding */
|
||||
bayer += (stride - width) + 2;
|
||||
|
||||
blue_line = !blue_line;
|
||||
start_with_green = !start_with_green;
|
||||
}
|
||||
|
||||
/* render the last line */
|
||||
v4lconvert_border_bayer_line_to_bgr24(bayer + stride, bayer, bgr, width,
|
||||
!start_with_green, !blue_line);
|
||||
}
|
||||
|
||||
void v4lconvert_bayer_to_rgb24(const unsigned char *bayer,
|
||||
unsigned char *bgr, int width, int height, const unsigned int stride, unsigned int pixfmt)
|
||||
{
|
||||
bayer_to_rgbbgr24(bayer, bgr, width, height, stride, pixfmt,
|
||||
pixfmt == V4L2_PIX_FMT_SGBRG8 /* start with green */
|
||||
|| pixfmt == V4L2_PIX_FMT_SGRBG8,
|
||||
pixfmt != V4L2_PIX_FMT_SBGGR8 /* blue line */
|
||||
&& pixfmt != V4L2_PIX_FMT_SGBRG8);
|
||||
}
|
||||
|
||||
void v4lconvert_bayer_to_bgr24(const unsigned char *bayer,
|
||||
unsigned char *bgr, int width, int height, const unsigned int stride, unsigned int pixfmt)
|
||||
{
|
||||
bayer_to_rgbbgr24(bayer, bgr, width, height, stride, pixfmt,
|
||||
pixfmt == V4L2_PIX_FMT_SGBRG8 /* start with green */
|
||||
|| pixfmt == V4L2_PIX_FMT_SGRBG8,
|
||||
pixfmt == V4L2_PIX_FMT_SBGGR8 /* blue line */
|
||||
|| pixfmt == V4L2_PIX_FMT_SGBRG8);
|
||||
}
|
||||
|
||||
static void v4lconvert_border_bayer_line_to_y(
|
||||
const unsigned char *bayer, const unsigned char *adjacent_bayer,
|
||||
unsigned char *y, int width, int start_with_green, int blue_line)
|
||||
{
|
||||
int t0, t1;
|
||||
|
||||
if (start_with_green) {
|
||||
/* First pixel */
|
||||
if (blue_line) {
|
||||
*y++ = (8453 * adjacent_bayer[0] + 16594 * bayer[0] +
|
||||
3223 * bayer[1] + 524288) >> 15;
|
||||
} else {
|
||||
*y++ = (8453 * bayer[1] + 16594 * bayer[0] +
|
||||
3223 * adjacent_bayer[0] + 524288) >> 15;
|
||||
}
|
||||
/* Second pixel */
|
||||
t0 = bayer[0] + bayer[2] + adjacent_bayer[1];
|
||||
t1 = adjacent_bayer[0] + adjacent_bayer[2];
|
||||
if (blue_line)
|
||||
*y++ = (4226 * t1 + 5531 * t0 + 3223 * bayer[1] + 524288) >> 15;
|
||||
else
|
||||
*y++ = (8453 * bayer[1] + 5531 * t0 + 1611 * t1 + 524288) >> 15;
|
||||
bayer++;
|
||||
adjacent_bayer++;
|
||||
width -= 2;
|
||||
} else {
|
||||
/* First pixel */
|
||||
t0 = bayer[1] + adjacent_bayer[0];
|
||||
if (blue_line) {
|
||||
*y++ = (8453 * adjacent_bayer[1] + 8297 * t0 +
|
||||
3223 * bayer[0] + 524288) >> 15;
|
||||
} else {
|
||||
*y++ = (8453 * bayer[0] + 8297 * t0 +
|
||||
3223 * adjacent_bayer[1] + 524288) >> 15;
|
||||
}
|
||||
width--;
|
||||
}
|
||||
|
||||
if (blue_line) {
|
||||
for ( ; width > 2; width -= 2) {
|
||||
t0 = bayer[0] + bayer[2];
|
||||
*y++ = (8453 * adjacent_bayer[1] + 16594 * bayer[1] +
|
||||
1611 * t0 + 524288) >> 15;
|
||||
bayer++;
|
||||
adjacent_bayer++;
|
||||
|
||||
t0 = bayer[0] + bayer[2] + adjacent_bayer[1];
|
||||
t1 = adjacent_bayer[0] + adjacent_bayer[2];
|
||||
*y++ = (4226 * t1 + 5531 * t0 + 3223 * bayer[1] + 524288) >> 15;
|
||||
bayer++;
|
||||
adjacent_bayer++;
|
||||
}
|
||||
} else {
|
||||
for ( ; width > 2; width -= 2) {
|
||||
t0 = bayer[0] + bayer[2];
|
||||
*y++ = (4226 * t0 + 16594 * bayer[1] +
|
||||
3223 * adjacent_bayer[1] + 524288) >> 15;
|
||||
bayer++;
|
||||
adjacent_bayer++;
|
||||
|
||||
t0 = bayer[0] + bayer[2] + adjacent_bayer[1];
|
||||
t1 = adjacent_bayer[0] + adjacent_bayer[2];
|
||||
*y++ = (8453 * bayer[1] + 5531 * t0 + 1611 * t1 + 524288) >> 15;
|
||||
bayer++;
|
||||
adjacent_bayer++;
|
||||
}
|
||||
}
|
||||
|
||||
if (width == 2) {
|
||||
/* Second to last pixel */
|
||||
t0 = bayer[0] + bayer[2];
|
||||
if (blue_line) {
|
||||
*y++ = (8453 * adjacent_bayer[1] + 16594 * bayer[1] +
|
||||
1611 * t0 + 524288) >> 15;
|
||||
} else {
|
||||
*y++ = (4226 * t0 + 16594 * bayer[1] +
|
||||
3223 * adjacent_bayer[1] + 524288) >> 15;
|
||||
}
|
||||
/* Last pixel */
|
||||
t0 = bayer[1] + adjacent_bayer[2];
|
||||
if (blue_line) {
|
||||
*y++ = (8453 * adjacent_bayer[1] + 8297 * t0 +
|
||||
3223 * bayer[2] + 524288) >> 15;
|
||||
} else {
|
||||
*y++ = (8453 * bayer[2] + 8297 * t0 +
|
||||
3223 * adjacent_bayer[1] + 524288) >> 15;
|
||||
}
|
||||
} else {
|
||||
/* Last pixel */
|
||||
if (blue_line) {
|
||||
*y++ = (8453 * adjacent_bayer[1] + 16594 * bayer[1] +
|
||||
3223 * bayer[0] + 524288) >> 15;
|
||||
} else {
|
||||
*y++ = (8453 * bayer[0] + 16594 * bayer[1] +
|
||||
3223 * adjacent_bayer[1] + 524288) >> 15;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void v4lconvert_bayer_to_yuv420(const unsigned char *bayer, unsigned char *yuv,
|
||||
int width, int height, const unsigned int stride, unsigned int src_pixfmt, int yvu)
|
||||
{
|
||||
int blue_line = 0, start_with_green = 0, x, y;
|
||||
unsigned char *ydst = yuv;
|
||||
unsigned char *udst, *vdst;
|
||||
|
||||
if (yvu) {
|
||||
vdst = yuv + width * height;
|
||||
udst = vdst + width * height / 4;
|
||||
} else {
|
||||
udst = yuv + width * height;
|
||||
vdst = udst + width * height / 4;
|
||||
}
|
||||
|
||||
/* First calculate the u and v planes 2x2 pixels at a time */
|
||||
switch (src_pixfmt) {
|
||||
case V4L2_PIX_FMT_SBGGR8:
|
||||
for (y = 0; y < height; y += 2) {
|
||||
for (x = 0; x < width; x += 2) {
|
||||
int b, g, r;
|
||||
|
||||
b = bayer[x];
|
||||
g = bayer[x + 1];
|
||||
g += bayer[x + stride];
|
||||
r = bayer[x + stride + 1];
|
||||
*udst++ = (-4878 * r - 4789 * g + 14456 * b + 4210688) >> 15;
|
||||
*vdst++ = (14456 * r - 6052 * g - 2351 * b + 4210688) >> 15;
|
||||
}
|
||||
bayer += 2 * stride;
|
||||
}
|
||||
blue_line = 1;
|
||||
break;
|
||||
|
||||
case V4L2_PIX_FMT_SRGGB8:
|
||||
for (y = 0; y < height; y += 2) {
|
||||
for (x = 0; x < width; x += 2) {
|
||||
int b, g, r;
|
||||
|
||||
r = bayer[x];
|
||||
g = bayer[x + 1];
|
||||
g += bayer[x + stride];
|
||||
b = bayer[x + stride + 1];
|
||||
*udst++ = (-4878 * r - 4789 * g + 14456 * b + 4210688) >> 15;
|
||||
*vdst++ = (14456 * r - 6052 * g - 2351 * b + 4210688) >> 15;
|
||||
}
|
||||
bayer += 2 * stride;
|
||||
}
|
||||
break;
|
||||
|
||||
case V4L2_PIX_FMT_SGBRG8:
|
||||
for (y = 0; y < height; y += 2) {
|
||||
for (x = 0; x < width; x += 2) {
|
||||
int b, g, r;
|
||||
|
||||
g = bayer[x];
|
||||
b = bayer[x + 1];
|
||||
r = bayer[x + stride];
|
||||
g += bayer[x + stride + 1];
|
||||
*udst++ = (-4878 * r - 4789 * g + 14456 * b + 4210688) >> 15;
|
||||
*vdst++ = (14456 * r - 6052 * g - 2351 * b + 4210688) >> 15;
|
||||
}
|
||||
bayer += 2 * stride;
|
||||
}
|
||||
blue_line = 1;
|
||||
start_with_green = 1;
|
||||
break;
|
||||
|
||||
case V4L2_PIX_FMT_SGRBG8:
|
||||
for (y = 0; y < height; y += 2) {
|
||||
for (x = 0; x < width; x += 2) {
|
||||
int b, g, r;
|
||||
|
||||
g = bayer[x];
|
||||
r = bayer[x + 1];
|
||||
b = bayer[x + stride];
|
||||
g += bayer[x + stride + 1];
|
||||
*udst++ = (-4878 * r - 4789 * g + 14456 * b + 4210688) >> 15;
|
||||
*vdst++ = (14456 * r - 6052 * g - 2351 * b + 4210688) >> 15;
|
||||
}
|
||||
bayer += 2 * stride;
|
||||
}
|
||||
start_with_green = 1;
|
||||
break;
|
||||
}
|
||||
|
||||
/* Point bayer back to start of frame */
|
||||
bayer -= stride * height;
|
||||
|
||||
/* render the first line */
|
||||
v4lconvert_border_bayer_line_to_y(bayer, bayer + stride, ydst, width,
|
||||
start_with_green, blue_line);
|
||||
ydst += width;
|
||||
|
||||
/* reduce height by 2 because of the border */
|
||||
for (height -= 2; height; height--) {
|
||||
int t0, t1;
|
||||
/* (width - 2) because of the border */
|
||||
const unsigned char *bayer_end = bayer + (width - 2);
|
||||
|
||||
if (start_with_green) {
|
||||
t0 = bayer[1] + bayer[stride * 2 + 1];
|
||||
/* Write first pixel */
|
||||
t1 = bayer[0] + bayer[stride * 2] + bayer[stride + 1];
|
||||
if (blue_line)
|
||||
*ydst++ = (8453 * bayer[stride] + 5516 * t1 +
|
||||
1661 * t0 + 524288) >> 15;
|
||||
else
|
||||
*ydst++ = (4226 * t0 + 5516 * t1 +
|
||||
3223 * bayer[stride] + 524288) >> 15;
|
||||
|
||||
/* Write second pixel */
|
||||
t1 = bayer[stride] + bayer[stride + 2];
|
||||
if (blue_line)
|
||||
*ydst++ = (4226 * t1 + 16594 * bayer[stride + 1] +
|
||||
1611 * t0 + 524288) >> 15;
|
||||
else
|
||||
*ydst++ = (4226 * t0 + 16594 * bayer[stride + 1] +
|
||||
1611 * t1 + 524288) >> 15;
|
||||
bayer++;
|
||||
} else {
|
||||
/* Write first pixel */
|
||||
t0 = bayer[0] + bayer[stride * 2];
|
||||
if (blue_line) {
|
||||
*ydst++ = (8453 * bayer[stride + 1] + 16594 * bayer[stride] +
|
||||
1661 * t0 + 524288) >> 15;
|
||||
} else {
|
||||
*ydst++ = (4226 * t0 + 16594 * bayer[stride] +
|
||||
3223 * bayer[stride + 1] + 524288) >> 15;
|
||||
}
|
||||
}
|
||||
|
||||
if (blue_line) {
|
||||
for (; bayer <= bayer_end - 2; bayer += 2) {
|
||||
t0 = bayer[0] + bayer[2] + bayer[stride * 2] + bayer[stride * 2 + 2];
|
||||
t1 = bayer[1] + bayer[stride] + bayer[stride + 2] + bayer[stride * 2 + 1];
|
||||
*ydst++ = (8453 * bayer[stride + 1] + 4148 * t1 +
|
||||
806 * t0 + 524288) >> 15;
|
||||
|
||||
t0 = bayer[2] + bayer[stride * 2 + 2];
|
||||
t1 = bayer[stride + 1] + bayer[stride + 3];
|
||||
*ydst++ = (4226 * t1 + 16594 * bayer[stride + 2] +
|
||||
1611 * t0 + 524288) >> 15;
|
||||
}
|
||||
} else {
|
||||
for (; bayer <= bayer_end - 2; bayer += 2) {
|
||||
t0 = bayer[0] + bayer[2] + bayer[stride * 2] + bayer[stride * 2 + 2];
|
||||
t1 = bayer[1] + bayer[stride] + bayer[stride + 2] + bayer[stride * 2 + 1];
|
||||
*ydst++ = (2113 * t0 + 4148 * t1 +
|
||||
3223 * bayer[stride + 1] + 524288) >> 15;
|
||||
|
||||
t0 = bayer[2] + bayer[stride * 2 + 2];
|
||||
t1 = bayer[stride + 1] + bayer[stride + 3];
|
||||
*ydst++ = (4226 * t0 + 16594 * bayer[stride + 2] +
|
||||
1611 * t1 + 524288) >> 15;
|
||||
}
|
||||
}
|
||||
|
||||
if (bayer < bayer_end) {
|
||||
/* Write second to last pixel */
|
||||
t0 = bayer[0] + bayer[2] + bayer[stride * 2] + bayer[stride * 2 + 2];
|
||||
t1 = bayer[1] + bayer[stride] + bayer[stride + 2] + bayer[stride * 2 + 1];
|
||||
if (blue_line)
|
||||
*ydst++ = (8453 * bayer[stride + 1] + 4148 * t1 +
|
||||
806 * t0 + 524288) >> 15;
|
||||
else
|
||||
*ydst++ = (2113 * t0 + 4148 * t1 +
|
||||
3223 * bayer[stride + 1] + 524288) >> 15;
|
||||
|
||||
/* write last pixel */
|
||||
t0 = bayer[2] + bayer[stride * 2 + 2];
|
||||
if (blue_line) {
|
||||
*ydst++ = (8453 * bayer[stride + 1] + 16594 * bayer[stride + 2] +
|
||||
1661 * t0 + 524288) >> 15;
|
||||
} else {
|
||||
*ydst++ = (4226 * t0 + 16594 * bayer[stride + 2] +
|
||||
3223 * bayer[stride + 1] + 524288) >> 15;
|
||||
}
|
||||
bayer++;
|
||||
} else {
|
||||
/* write last pixel */
|
||||
t0 = bayer[0] + bayer[stride * 2];
|
||||
t1 = bayer[1] + bayer[stride * 2 + 1] + bayer[stride];
|
||||
if (blue_line)
|
||||
*ydst++ = (8453 * bayer[stride + 1] + 5516 * t1 +
|
||||
1661 * t0 + 524288) >> 15;
|
||||
else
|
||||
*ydst++ = (4226 * t0 + 5516 * t1 +
|
||||
3223 * bayer[stride + 1] + 524288) >> 15;
|
||||
}
|
||||
|
||||
/* skip 2 border pixels and padding */
|
||||
bayer += (stride - width) + 2;
|
||||
|
||||
blue_line = !blue_line;
|
||||
start_with_green = !start_with_green;
|
||||
}
|
||||
|
||||
/* render the last line */
|
||||
v4lconvert_border_bayer_line_to_y(bayer + stride, bayer, ydst, width,
|
||||
!start_with_green, !blue_line);
|
||||
}
|
||||
Reference in New Issue
Block a user