| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it 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. |
| * |
| * FFmpeg 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/pixfmt.h" |
| #include "libavutil/opt.h" |
| #include "avfilter.h" |
| #include "internal.h" |
| #include "video.h" |
| |
| typedef struct SetParamsContext { |
| const AVClass *class; |
| int color_range; |
| } SetParamsContext; |
| |
| #define OFFSET(x) offsetof(SetParamsContext, x) |
| #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
| |
| static const AVOption setrange_options[] = { |
| {"range", "select color range", OFFSET(color_range), AV_OPT_TYPE_INT, {.i64=-1},-1, AVCOL_RANGE_NB-1, FLAGS, "range"}, |
| {"auto", "keep the same color range", 0, AV_OPT_TYPE_CONST, {.i64=-1}, 0, 0, FLAGS, "range"}, |
| {"unspecified", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED}, 0, 0, FLAGS, "range"}, |
| {"unknown", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED}, 0, 0, FLAGS, "range"}, |
| {"limited", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, FLAGS, "range"}, |
| {"tv", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, FLAGS, "range"}, |
| {"mpeg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG}, 0, 0, FLAGS, "range"}, |
| {"full", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, FLAGS, "range"}, |
| {"pc", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, FLAGS, "range"}, |
| {"jpeg", NULL, 0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG}, 0, 0, FLAGS, "range"}, |
| {NULL} |
| }; |
| |
| AVFILTER_DEFINE_CLASS(setrange); |
| |
| static int filter_frame(AVFilterLink *inlink, AVFrame *frame) |
| { |
| AVFilterContext *ctx = inlink->dst; |
| SetParamsContext *s = ctx->priv; |
| |
| if (s->color_range >= 0) |
| frame->color_range = s->color_range; |
| return ff_filter_frame(ctx->outputs[0], frame); |
| } |
| |
| static const AVFilterPad inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = filter_frame, |
| }, |
| { NULL } |
| }; |
| |
| static const AVFilterPad outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| }, |
| { NULL } |
| }; |
| |
| AVFilter ff_vf_setrange = { |
| .name = "setrange", |
| .description = NULL_IF_CONFIG_SMALL("Force color range for the output video frame."), |
| .priv_size = sizeof(SetParamsContext), |
| .priv_class = &setrange_class, |
| .inputs = inputs, |
| .outputs = outputs, |
| }; |