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			246 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			246 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2012 Stefano Sabatini
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|  *
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|  * This file is part of FFmpeg.
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|  *
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|  * FFmpeg 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 as published by the Free Software Foundation; either
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|  * version 2.1 of the License, or (at your option) any later version.
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|  *
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|  * FFmpeg 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 FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| #include "libavutil/pixfmt.h"
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| #include "libavutil/opt.h"
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| #include "avfilter.h"
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| #include "internal.h"
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| #include "video.h"
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| 
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| enum SetFieldMode {
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|     MODE_AUTO = -1,
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|     MODE_BFF,
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|     MODE_TFF,
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|     MODE_PROG,
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| };
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| 
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| typedef struct SetParamsContext {
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|     const AVClass *class;
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|     int field_mode;
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|     int color_range;
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|     int color_primaries;
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|     int color_trc;
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|     int colorspace;
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| } SetParamsContext;
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| 
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| #define OFFSET(x) offsetof(SetParamsContext, x)
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| #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
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| 
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| static const AVOption setparams_options[] = {
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|     {"field_mode", "select interlace mode", OFFSET(field_mode), AV_OPT_TYPE_INT, {.i64=MODE_AUTO}, -1, MODE_PROG, FLAGS, "mode"},
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|     {"auto", "keep the same input field",  0, AV_OPT_TYPE_CONST, {.i64=MODE_AUTO}, INT_MIN, INT_MAX, FLAGS, "mode"},
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|     {"bff",  "mark as bottom-field-first", 0, AV_OPT_TYPE_CONST, {.i64=MODE_BFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
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|     {"tff",  "mark as top-field-first",    0, AV_OPT_TYPE_CONST, {.i64=MODE_TFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
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|     {"prog", "mark as progressive",        0, AV_OPT_TYPE_CONST, {.i64=MODE_PROG}, INT_MIN, INT_MAX, FLAGS, "mode"},
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| 
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|     {"range", "select color range", OFFSET(color_range), AV_OPT_TYPE_INT, {.i64=-1},-1, AVCOL_RANGE_NB-1, FLAGS, "range"},
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|     {"auto",  "keep the same color range",   0, AV_OPT_TYPE_CONST, {.i64=-1},                       0, 0, FLAGS, "range"},
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|     {"unspecified",                  NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED},  0, 0, FLAGS, "range"},
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|     {"unknown",                      NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED},  0, 0, FLAGS, "range"},
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|     {"limited",                      NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, "range"},
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|     {"tv",                           NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, "range"},
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|     {"mpeg",                         NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, "range"},
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|     {"full",                         NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, "range"},
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|     {"pc",                           NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, "range"},
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|     {"jpeg",                         NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, "range"},
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| 
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|     {"color_primaries", "select color primaries", OFFSET(color_primaries), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_PRI_NB-1, FLAGS, "color_primaries"},
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|     {"auto", "keep the same color primaries",  0, AV_OPT_TYPE_CONST, {.i64=-1},                     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"bt709",                           NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT709},        INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"unknown",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_UNSPECIFIED},  INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"bt470m",                          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470M},       INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"bt470bg",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT470BG},      INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"smpte170m",                       NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE170M},    INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"smpte240m",                       NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE240M},    INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"film",                            NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_FILM},         INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"bt2020",                          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_BT2020},       INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"smpte428",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE428},     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"smpte431",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE431},     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"smpte432",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_SMPTE432},     INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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|     {"jedec-p22",                       NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_PRI_JEDEC_P22},    INT_MIN, INT_MAX, FLAGS, "color_primaries"},
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| 
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|     {"color_trc", "select color transfer", OFFSET(color_trc), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_TRC_NB-1, FLAGS, "color_trc"},
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|     {"auto", "keep the same color transfer",  0, AV_OPT_TYPE_CONST, {.i64=-1},                     INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"bt709",                          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT709},        INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"unknown",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_UNSPECIFIED},  INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"bt470m",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA22},      INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"bt470bg",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_GAMMA28},      INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"smpte170m",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE170M},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"smpte240m",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE240M},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"linear",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_LINEAR},       INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"log100",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_LOG},          INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"log316",                         NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_LOG_SQRT},     INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"iec61966-2-4",                   NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_4}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"bt1361e",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT1361_ECG},   INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"iec61966-2-1",                   NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_IEC61966_2_1}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"bt2020-10",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT2020_10},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"bt2020-12",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_BT2020_12},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"smpte2084",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE2084},    INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"smpte428",                       NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_SMPTE428},     INT_MIN, INT_MAX, FLAGS, "color_trc"},
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|     {"arib-std-b67",                   NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_TRC_ARIB_STD_B67}, INT_MIN, INT_MAX, FLAGS, "color_trc"},
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| 
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|     {"colorspace", "select colorspace", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64=-1}, -1, AVCOL_SPC_NB-1, FLAGS, "colorspace"},
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|     {"auto", "keep the same colorspace",  0, AV_OPT_TYPE_CONST, {.i64=-1},                          INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"gbr",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_RGB},               INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"bt709",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT709},             INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"unknown",                    NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_UNSPECIFIED},       INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"fcc",                        NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_FCC},               INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"bt470bg",                    NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT470BG},           INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"smpte170m",                  NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE170M},         INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"smpte240m",                  NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE240M},         INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"ycgco",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_YCGCO},             INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"bt2020nc",                   NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_NCL},        INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"bt2020c",                    NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_BT2020_CL},         INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"smpte2085",                  NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_SMPTE2085},         INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"chroma-derived-nc",          NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_CHROMA_DERIVED_NCL},INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"chroma-derived-c",           NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_CHROMA_DERIVED_CL}, INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {"ictcp",                      NULL,  0, AV_OPT_TYPE_CONST, {.i64=AVCOL_SPC_ICTCP},             INT_MIN, INT_MAX, FLAGS, "colorspace"},
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|     {NULL}
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| };
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| 
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| AVFILTER_DEFINE_CLASS(setparams);
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| 
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| static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
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| {
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|     AVFilterContext *ctx = inlink->dst;
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|     SetParamsContext *s = ctx->priv;
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| 
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|     /* set field */
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|     if (s->field_mode == MODE_PROG) {
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|         frame->interlaced_frame = 0;
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|     } else if (s->field_mode != MODE_AUTO) {
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|         frame->interlaced_frame = 1;
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|         frame->top_field_first = s->field_mode;
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|     }
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| 
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|     /* set range */
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|     if (s->color_range >= 0)
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|         frame->color_range = s->color_range;
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| 
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|     /* set color prim, trc, space */
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|     if (s->color_primaries >= 0)
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|         frame->color_primaries = s->color_primaries;
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|     if (s->color_trc >= 0)
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|         frame->color_trc = s->color_trc;
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|     if (s->colorspace >= 0)
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|         frame->colorspace = s->colorspace;
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|     return ff_filter_frame(ctx->outputs[0], frame);
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| }
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| 
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| static const AVFilterPad inputs[] = {
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|     {
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|         .name         = "default",
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|         .type         = AVMEDIA_TYPE_VIDEO,
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|         .filter_frame = filter_frame,
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|     },
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|     { NULL }
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| };
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| 
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| static const AVFilterPad outputs[] = {
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|     {
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|         .name = "default",
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|         .type = AVMEDIA_TYPE_VIDEO,
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|     },
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|     { NULL }
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| };
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| 
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| AVFilter ff_vf_setparams = {
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|     .name        = "setparams",
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|     .description = NULL_IF_CONFIG_SMALL("Force field, or color property for the output video frame."),
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|     .priv_size   = sizeof(SetParamsContext),
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|     .priv_class  = &setparams_class,
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|     .inputs      = inputs,
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|     .outputs     = outputs,
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| };
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| 
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| #if CONFIG_SETRANGE_FILTER
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| 
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| static const AVOption setrange_options[] = {
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|     {"range", "select color range", OFFSET(color_range), AV_OPT_TYPE_INT, {.i64=-1},-1, AVCOL_RANGE_NB-1, FLAGS, "range"},
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|     {"auto",  "keep the same color range",   0, AV_OPT_TYPE_CONST, {.i64=-1},                       0, 0, FLAGS, "range"},
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|     {"unspecified",                  NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED},  0, 0, FLAGS, "range"},
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|     {"unknown",                      NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_UNSPECIFIED},  0, 0, FLAGS, "range"},
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|     {"limited",                      NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, "range"},
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|     {"tv",                           NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, "range"},
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|     {"mpeg",                         NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_MPEG},         0, 0, FLAGS, "range"},
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|     {"full",                         NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, "range"},
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|     {"pc",                           NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, "range"},
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|     {"jpeg",                         NULL,   0, AV_OPT_TYPE_CONST, {.i64=AVCOL_RANGE_JPEG},         0, 0, FLAGS, "range"},
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|     {NULL}
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| };
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| 
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| AVFILTER_DEFINE_CLASS(setrange);
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| 
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| static av_cold int init_setrange(AVFilterContext *ctx)
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| {
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|     SetParamsContext *s = ctx->priv;
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| 
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|     s->field_mode = MODE_AUTO;/* set field mode to auto */
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|     s->color_primaries = -1;
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|     s->color_trc       = -1;
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|     s->colorspace      = -1;
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|     return 0;
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| }
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| 
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| AVFilter ff_vf_setrange = {
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|     .name        = "setrange",
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|     .description = NULL_IF_CONFIG_SMALL("Force color range for the output video frame."),
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|     .priv_size   = sizeof(SetParamsContext),
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|     .init        = init_setrange,
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|     .priv_class  = &setrange_class,
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|     .inputs      = inputs,
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|     .outputs     = outputs,
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| };
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| #endif /* CONFIG_SETRANGE_FILTER */
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| 
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| #if CONFIG_SETFIELD_FILTER
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| static const AVOption setfield_options[] = {
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|     {"mode", "select interlace mode", OFFSET(field_mode), AV_OPT_TYPE_INT, {.i64=MODE_AUTO}, -1, MODE_PROG, FLAGS, "mode"},
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|     {"auto", "keep the same input field",  0, AV_OPT_TYPE_CONST, {.i64=MODE_AUTO}, INT_MIN, INT_MAX, FLAGS, "mode"},
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|     {"bff",  "mark as bottom-field-first", 0, AV_OPT_TYPE_CONST, {.i64=MODE_BFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
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|     {"tff",  "mark as top-field-first",    0, AV_OPT_TYPE_CONST, {.i64=MODE_TFF},  INT_MIN, INT_MAX, FLAGS, "mode"},
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|     {"prog", "mark as progressive",        0, AV_OPT_TYPE_CONST, {.i64=MODE_PROG}, INT_MIN, INT_MAX, FLAGS, "mode"},
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|     {NULL}
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| };
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| 
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| AVFILTER_DEFINE_CLASS(setfield);
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| 
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| static av_cold int init_setfield(AVFilterContext *ctx)
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| {
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|     SetParamsContext *s = ctx->priv;
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| 
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|     s->color_range = -1;/* set range mode to auto */
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|     s->color_primaries = -1;
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|     s->color_trc       = -1;
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|     s->colorspace      = -1;
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|     return 0;
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| }
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| 
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| AVFilter ff_vf_setfield = {
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|     .name        = "setfield",
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|     .description = NULL_IF_CONFIG_SMALL("Force field for the output video frame."),
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|     .priv_size   = sizeof(SetParamsContext),
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|     .init        = init_setfield,
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|     .priv_class  = &setfield_class,
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|     .inputs      = inputs,
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|     .outputs     = outputs,
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| };
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| #endif /* CONFIG_SETFIELD_FILTER */
 | 
