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authorNiklas Haas <git@nand.wakku.to>2015-08-29 01:10:30 +0200
committerwm4 <wm4@nowhere>2015-09-09 18:09:25 +0200
commitdeebc55014074fef121c1df6b117e9c0bf97d516 (patch)
treea69b532d4e17dd8ecf03ecec94cbfb74f2696620 /video/out/gl_lcms.c
parent944fa1214a14baf24f629f41ce6c05965028ae1a (diff)
downloadmpv-deebc55014074fef121c1df6b117e9c0bf97d516.tar.bz2
mpv-deebc55014074fef121c1df6b117e9c0bf97d516.tar.xz
vo_opengl: move gl_* files to their own subdir
This is mainly just to keep things a bit more organized and separated inside the codebase.
Diffstat (limited to 'video/out/gl_lcms.c')
-rw-r--r--video/out/gl_lcms.c344
1 files changed, 0 insertions, 344 deletions
diff --git a/video/out/gl_lcms.c b/video/out/gl_lcms.c
deleted file mode 100644
index ec3013c553..0000000000
--- a/video/out/gl_lcms.c
+++ /dev/null
@@ -1,344 +0,0 @@
-/*
- * This file is part of mpv.
- *
- * mpv is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * mpv is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with mpv. If not, see <http://www.gnu.org/licenses/>.
- *
- * You can alternatively redistribute this file and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- */
-
-#include <string.h>
-
-#include "talloc.h"
-
-#include "config.h"
-
-#include "stream/stream.h"
-#include "common/common.h"
-#include "misc/bstr.h"
-#include "common/msg.h"
-#include "options/m_option.h"
-#include "options/path.h"
-
-#include "gl_video.h"
-#include "gl_lcms.h"
-
-#include "osdep/io.h"
-
-#if HAVE_LCMS2
-
-#include <lcms2.h>
-#include <libavutil/sha.h>
-#include <libavutil/mem.h>
-
-struct gl_lcms {
- void *icc_data;
- size_t icc_size;
- char *icc_path;
- bool changed;
-
- struct mp_log *log;
- struct mpv_global *global;
- struct mp_icc_opts opts;
-};
-
-static bool parse_3dlut_size(const char *arg, int *p1, int *p2, int *p3)
-{
- if (sscanf(arg, "%dx%dx%d", p1, p2, p3) != 3)
- return false;
- for (int n = 0; n < 3; n++) {
- int s = ((int[]) { *p1, *p2, *p3 })[n];
- if (s < 2 || s > 512 || ((s - 1) & s))
- return false;
- }
- return true;
-}
-
-static int validate_3dlut_size_opt(struct mp_log *log, const m_option_t *opt,
- struct bstr name, struct bstr param)
-{
- int p1, p2, p3;
- char s[20];
- snprintf(s, sizeof(s), "%.*s", BSTR_P(param));
- return parse_3dlut_size(s, &p1, &p2, &p3);
-}
-
-#define OPT_BASE_STRUCT struct mp_icc_opts
-const struct m_sub_options mp_icc_conf = {
- .opts = (const m_option_t[]) {
- OPT_STRING("icc-profile", profile, 0),
- OPT_FLAG("icc-profile-auto", profile_auto, 0),
- OPT_STRING("icc-cache-dir", cache_dir, 0),
- OPT_INT("icc-intent", intent, 0),
- OPT_STRING_VALIDATE("3dlut-size", size_str, 0, validate_3dlut_size_opt),
-
- OPT_REMOVED("icc-cache", "see icc-cache-dir"),
- {0}
- },
- .size = sizeof(struct mp_icc_opts),
- .defaults = &(const struct mp_icc_opts) {
- .size_str = "128x256x64",
- .intent = INTENT_RELATIVE_COLORIMETRIC,
- },
-};
-
-static void lcms2_error_handler(cmsContext ctx, cmsUInt32Number code,
- const char *msg)
-{
- struct gl_lcms *p = cmsGetContextUserData(ctx);
- MP_ERR(p, "lcms2: %s\n", msg);
-}
-
-static bool load_profile(struct gl_lcms *p)
-{
- if (p->icc_data && p->icc_size)
- return true;
-
- if (!p->icc_path)
- return false;
-
- char *fname = mp_get_user_path(NULL, p->global, p->icc_path);
- MP_VERBOSE(p, "Opening ICC profile '%s'\n", fname);
- struct bstr iccdata = stream_read_file(fname, p, p->global,
- 100000000); // 100 MB
- talloc_free(fname);
- if (!iccdata.len)
- return false;
-
- p->icc_data = iccdata.start;
- p->icc_size = iccdata.len;
- return true;
-}
-
-struct gl_lcms *gl_lcms_init(void *talloc_ctx, struct mp_log *log,
- struct mpv_global *global)
-{
- struct gl_lcms *p = talloc_ptrtype(talloc_ctx, p);
- *p = (struct gl_lcms) {
- .global = global,
- .log = log,
- .changed = true,
- };
- return p;
-}
-
-void gl_lcms_set_options(struct gl_lcms *p, struct mp_icc_opts *opts)
-{
- p->opts = *opts;
- p->icc_path = talloc_strdup(p, p->opts.profile);
- load_profile(p);
- p->changed = true; // probably
-}
-
-// Warning: profile.start must point to a ta allocation, and the function
-// takes over ownership.
-void gl_lcms_set_memory_profile(struct gl_lcms *p, bstr *profile)
-{
- if (!p->opts.profile_auto) {
- talloc_free(profile->start);
- return;
- }
-
- if (!p->icc_path && p->icc_data && profile->start &&
- profile->len == p->icc_size &&
- memcmp(profile->start, p->icc_data, p->icc_size) == 0)
- {
- talloc_free(profile->start);
- return;
- }
-
- p->changed = true;
-
- talloc_free(p->icc_path);
- p->icc_path = NULL;
-
- talloc_free(p->icc_data);
-
- p->icc_data = talloc_steal(p, profile->start);
- p->icc_size = profile->len;
-}
-
-// Return and _reset_ whether the lookul table has changed since the last call.
-// If it has changed, gl_lcms_get_lut3d() should be called.
-bool gl_lcms_has_changed(struct gl_lcms *p)
-{
- bool change = p->changed;
- p->changed = false;
- return change;
-}
-
-bool gl_lcms_get_lut3d(struct gl_lcms *p, struct lut3d **result_lut3d)
-{
- int s_r, s_g, s_b;
- bool result = false;
-
- if (!parse_3dlut_size(p->opts.size_str, &s_r, &s_g, &s_b))
- return false;
-
- if (!p->icc_data && !p->icc_path)
- return false;
-
- void *tmp = talloc_new(NULL);
- uint16_t *output = talloc_array(tmp, uint16_t, s_r * s_g * s_b * 3);
- struct lut3d *lut = NULL;
- cmsContext cms = NULL;
-
- char *cache_file = NULL;
- if (p->opts.cache_dir && p->opts.cache_dir[0]) {
- // Gamma is included in the header to help uniquely identify it,
- // because we may change the parameter in the future or make it
- // customizable, same for the primaries.
- char *cache_info = talloc_asprintf(tmp,
- "ver=1.1, intent=%d, size=%dx%dx%d, gamma=2.4, prim=bt2020\n",
- p->opts.intent, s_r, s_g, s_b);
-
- uint8_t hash[32];
- struct AVSHA *sha = av_sha_alloc();
- if (!sha)
- abort();
- av_sha_init(sha, 256);
- av_sha_update(sha, cache_info, strlen(cache_info));
- av_sha_update(sha, p->icc_data, p->icc_size);
- av_sha_final(sha, hash);
- av_free(sha);
-
- char *cache_dir = mp_get_user_path(tmp, p->global, p->opts.cache_dir);
- cache_file = talloc_strdup(tmp, "");
- for (int i = 0; i < sizeof(hash); i++)
- cache_file = talloc_asprintf_append(cache_file, "%02X", hash[i]);
- cache_file = mp_path_join(tmp, cache_dir, cache_file);
-
- mp_mkdirp(cache_dir);
- }
-
- // check cache
- if (cache_file) {
- MP_VERBOSE(p, "Opening 3D LUT cache in file '%s'.\n", cache_file);
- struct bstr cachedata = stream_read_file(cache_file, tmp, p->global,
- 1000000000); // 1 GB
- if (cachedata.len == talloc_get_size(output)) {
- memcpy(output, cachedata.start, cachedata.len);
- goto done;
- } else {
- MP_WARN(p, "3D LUT cache invalid!\n");
- }
- }
-
- cms = cmsCreateContext(NULL, p);
- if (!cms)
- goto error_exit;
- cmsSetLogErrorHandlerTHR(cms, lcms2_error_handler);
-
- cmsHPROFILE profile =
- cmsOpenProfileFromMemTHR(cms, p->icc_data, p->icc_size);
- if (!profile)
- goto error_exit;
-
- // We always generate the 3DLUT against BT.2020, and transform into this
- // space inside the shader if the source differs.
- struct mp_csp_primaries csp = mp_get_csp_primaries(MP_CSP_PRIM_BT_2020);
-
- cmsCIExyY wp = {csp.white.x, csp.white.y, 1.0};
- cmsCIExyYTRIPLE prim = {
- .Red = {csp.red.x, csp.red.y, 1.0},
- .Green = {csp.green.x, csp.green.y, 1.0},
- .Blue = {csp.blue.x, csp.blue.y, 1.0},
- };
-
- // 2.4 is arbitrarily used as a gamma compression factor for the 3DLUT,
- // reducing artifacts due to rounding errors on wide gamut profiles
- cmsToneCurve *tonecurve = cmsBuildGamma(cms, 2.4);
- cmsHPROFILE vid_profile = cmsCreateRGBProfileTHR(cms, &wp, &prim,
- (cmsToneCurve*[3]){tonecurve, tonecurve, tonecurve});
- cmsFreeToneCurve(tonecurve);
- cmsHTRANSFORM trafo = cmsCreateTransformTHR(cms, vid_profile, TYPE_RGB_16,
- profile, TYPE_RGB_16,
- p->opts.intent,
- cmsFLAGS_HIGHRESPRECALC);
- cmsCloseProfile(profile);
- cmsCloseProfile(vid_profile);
-
- if (!trafo)
- goto error_exit;
-
- // transform a (s_r)x(s_g)x(s_b) cube, with 3 components per channel
- uint16_t *input = talloc_array(tmp, uint16_t, s_r * 3);
- for (int b = 0; b < s_b; b++) {
- for (int g = 0; g < s_g; g++) {
- for (int r = 0; r < s_r; r++) {
- input[r * 3 + 0] = r * 65535 / (s_r - 1);
- input[r * 3 + 1] = g * 65535 / (s_g - 1);
- input[r * 3 + 2] = b * 65535 / (s_b - 1);
- }
- size_t base = (b * s_r * s_g + g * s_r) * 3;
- cmsDoTransform(trafo, input, output + base, s_r);
- }
- }
-
- cmsDeleteTransform(trafo);
-
- if (cache_file) {
- FILE *out = fopen(cache_file, "wb");
- if (out) {
- fwrite(output, talloc_get_size(output), 1, out);
- fclose(out);
- }
- }
-
-done: ;
-
- lut = talloc_ptrtype(NULL, lut);
- *lut = (struct lut3d) {
- .data = talloc_steal(lut, output),
- .size = {s_r, s_g, s_b},
- };
-
- *result_lut3d = lut;
- result = true;
-
-error_exit:
-
- if (cms)
- cmsDeleteContext(cms);
-
- if (!lut)
- MP_FATAL(p, "Error loading ICC profile.\n");
-
- talloc_free(tmp);
- return result;
-}
-
-#else /* HAVE_LCMS2 */
-
-const struct m_sub_options mp_icc_conf = {
- .opts = (const m_option_t[]) { {0} },
- .size = sizeof(struct mp_icc_opts),
- .defaults = &(const struct mp_icc_opts) {0},
-};
-
-
-struct gl_lcms *gl_lcms_init(void *talloc_ctx, struct mp_log *log,
- struct mpv_global *global)
-{
- return (struct gl_lcms *) talloc_new(talloc_ctx);
-}
-
-void gl_lcms_set_options(struct gl_lcms *p, struct mp_icc_opts *opts) { }
-void gl_lcms_set_memory_profile(struct gl_lcms *p, bstr *profile) { }
-bool gl_lcms_get_lut3d(struct gl_lcms *p, struct lut3d **x) { return false; }
-bool gl_lcms_has_changed(struct gl_lcms *p) { return false; }
-
-#endif