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							- /*
 -  * Copyright (c) 2012 Stefano Sabatini
 -  *
 -  * 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"
 - 
 - enum SetFieldMode {
 -     MODE_AUTO = -1,
 -     MODE_BFF,
 -     MODE_TFF,
 -     MODE_PROG,
 - };
 - 
 - typedef struct SetParamsContext {
 -     const AVClass *class;
 -     int field_mode;
 -     int color_range;
 -     int color_primaries;
 -     int color_trc;
 -     int colorspace;
 - } SetParamsContext;
 - 
 - #define OFFSET(x) offsetof(SetParamsContext, x)
 - #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
 - 
 - static const AVOption setparams_options[] = {
 -     {"field_mode", "select interlace mode", OFFSET(field_mode), AV_OPT_TYPE_INT, {.i64=MODE_AUTO}, -1, MODE_PROG, FLAGS, "mode"},
 -     {"auto", "keep the same input field",  0, AV_OPT_TYPE_CONST, {.i64=MODE_AUTO}, INT_MIN, INT_MAX, FLAGS, "mode"},
 -     {"bff",  "mark as bottom-field-first", 0, AV_OPT_TYPE_CONST, {.i64=MODE_BFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
 -     {"tff",  "mark as top-field-first",    0, AV_OPT_TYPE_CONST, {.i64=MODE_TFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
 -     {"prog", "mark as progressive",        0, AV_OPT_TYPE_CONST, {.i64=MODE_PROG}, INT_MIN, INT_MAX, FLAGS, "mode"},
 - 
 -     {"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"},
 - 
 -     {"color_primaries", "select color primaries", OFFSET(color_primaries), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_PRI_NB-1, FLAGS, "color_primaries"},
 -     {"auto", "keep the same color primaries",  0, AV_OPT_TYPE_CONST, {.i64=-1},                     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"bt709",                           NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT709},        INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"unknown",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_UNSPECIFIED},  INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"bt470m",                          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470M},       INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"bt470bg",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470BG},      INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"smpte170m",                       NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE170M},    INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"smpte240m",                       NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE240M},    INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"film",                            NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_FILM},         INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"bt2020",                          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT2020},       INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"smpte428",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE428},     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"smpte431",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE431},     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"smpte432",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE432},     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 -     {"jedec-p22",                       NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_JEDEC_P22},    INT_MIN, INT_MAX, FLAGS, "color_primaries"},
 - 
 -     {"color_trc", "select color transfer", OFFSET(color_trc), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_TRC_NB-1, FLAGS, "color_trc"},
 -     {"auto", "keep the same color transfer",  0, AV_OPT_TYPE_CONST, {.i64=-1},                     INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"bt709",                          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT709},        INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"unknown",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_UNSPECIFIED},  INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"bt470m",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA22},      INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"bt470bg",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA28},      INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"smpte170m",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE170M},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"smpte240m",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE240M},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"linear",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_LINEAR},       INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"log100",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_LOG},          INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"log316",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_LOG_SQRT},     INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"iec61966-2-4",                   NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_4}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"bt1361e",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT1361_ECG},   INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"iec61966-2-1",                   NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_1}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"bt2020-10",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT2020_10},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"bt2020-12",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT2020_12},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"smpte2084",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE2084},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"smpte428",                       NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE428},     INT_MIN, INT_MAX, FLAGS, "color_trc"},
 -     {"arib-std-b67",                   NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_ARIB_STD_B67}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
 - 
 -     {"colorspace", "select colorspace", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_SPC_NB-1, FLAGS, "colorspace"},
 -     {"auto", "keep the same colorspace",  0, AV_OPT_TYPE_CONST, {.i64=-1},                          INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"gbr",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_RGB},               INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"bt709",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT709},             INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"unknown",                    NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_UNSPECIFIED},       INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"fcc",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_FCC},               INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"bt470bg",                    NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT470BG},           INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"smpte170m",                  NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE170M},         INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"smpte240m",                  NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE240M},         INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"ycgco",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_YCGCO},             INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"bt2020nc",                   NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_NCL},        INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"bt2020c",                    NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_CL},         INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"smpte2085",                  NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE2085},         INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"chroma-derived-nc",          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_CHROMA_DERIVED_NCL},INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"chroma-derived-c",           NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_CHROMA_DERIVED_CL}, INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {"ictcp",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_ICTCP},             INT_MIN, INT_MAX, FLAGS, "colorspace"},
 -     {NULL}
 - };
 - 
 - AVFILTER_DEFINE_CLASS(setparams);
 - 
 - static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
 - {
 -     AVFilterContext *ctx = inlink->dst;
 -     SetParamsContext *s = ctx->priv;
 - 
 -     /* set field */
 -     if (s->field_mode == MODE_PROG) {
 -         frame->interlaced_frame = 0;
 -     } else if (s->field_mode != MODE_AUTO) {
 -         frame->interlaced_frame = 1;
 -         frame->top_field_first = s->field_mode;
 -     }
 - 
 -     /* set range */
 -     if (s->color_range >= 0)
 -         frame->color_range = s->color_range;
 - 
 -     /* set color prim, trc, space */
 -     if (s->color_primaries >= 0)
 -         frame->color_primaries = s->color_primaries;
 -     if (s->color_trc >= 0)
 -         frame->color_trc = s->color_trc;
 -     if (s->colorspace >= 0)
 -         frame->colorspace = s->colorspace;
 -     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_setparams = {
 -     .name        = "setparams",
 -     .description = NULL_IF_CONFIG_SMALL("Force field, or color property for the output video frame."),
 -     .priv_size   = sizeof(SetParamsContext),
 -     .priv_class  = &setparams_class,
 -     .inputs      = inputs,
 -     .outputs     = outputs,
 - };
 - 
 - #if CONFIG_SETRANGE_FILTER
 - 
 - 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 av_cold int init_setrange(AVFilterContext *ctx)
 - {
 -     SetParamsContext *s = ctx->priv;
 - 
 -     s->field_mode = MODE_AUTO;/* set field mode to auto */
 -     s->color_primaries = -1;
 -     s->color_trc       = -1;
 -     s->colorspace      = -1;
 -     return 0;
 - }
 - 
 - AVFilter ff_vf_setrange = {
 -     .name        = "setrange",
 -     .description = NULL_IF_CONFIG_SMALL("Force color range for the output video frame."),
 -     .priv_size   = sizeof(SetParamsContext),
 -     .init        = init_setrange,
 -     .priv_class  = &setrange_class,
 -     .inputs      = inputs,
 -     .outputs     = outputs,
 - };
 - #endif /* CONFIG_SETRANGE_FILTER */
 - 
 - #if CONFIG_SETFIELD_FILTER
 - static const AVOption setfield_options[] = {
 -     {"mode", "select interlace mode", OFFSET(field_mode), AV_OPT_TYPE_INT, {.i64=MODE_AUTO}, -1, MODE_PROG, FLAGS, "mode"},
 -     {"auto", "keep the same input field",  0, AV_OPT_TYPE_CONST, {.i64=MODE_AUTO}, INT_MIN, INT_MAX, FLAGS, "mode"},
 -     {"bff",  "mark as bottom-field-first", 0, AV_OPT_TYPE_CONST, {.i64=MODE_BFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
 -     {"tff",  "mark as top-field-first",    0, AV_OPT_TYPE_CONST, {.i64=MODE_TFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
 -     {"prog", "mark as progressive",        0, AV_OPT_TYPE_CONST, {.i64=MODE_PROG}, INT_MIN, INT_MAX, FLAGS, "mode"},
 -     {NULL}
 - };
 - 
 - AVFILTER_DEFINE_CLASS(setfield);
 - 
 - static av_cold int init_setfield(AVFilterContext *ctx)
 - {
 -     SetParamsContext *s = ctx->priv;
 - 
 -     s->color_range = -1;/* set range mode to auto */
 -     s->color_primaries = -1;
 -     s->color_trc       = -1;
 -     s->colorspace      = -1;
 -     return 0;
 - }
 - 
 - AVFilter ff_vf_setfield = {
 -     .name        = "setfield",
 -     .description = NULL_IF_CONFIG_SMALL("Force field for the output video frame."),
 -     .priv_size   = sizeof(SetParamsContext),
 -     .init        = init_setfield,
 -     .priv_class  = &setfield_class,
 -     .inputs      = inputs,
 -     .outputs     = outputs,
 - };
 - #endif /* CONFIG_SETFIELD_FILTER */
 
 
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