scale过滤器中的色彩空间设置

   {  "in_color_matrix", "set input YCbCr type",   OFFSET(in_color_matrix),  AV_OPT_TYPE_STRING, { .str = "auto" }, .flags = FLAGS, "color" },
    { "out_color_matrix", "set output YCbCr type",  OFFSET(out_color_matrix), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS,  "color"},
        { "auto",        NULL, 0, AV_OPT_TYPE_CONST, { .str = "auto" },      0, 0, FLAGS, "color" },
        { "bt601",       NULL, 0, AV_OPT_TYPE_CONST, { .str = "bt601" },     0, 0, FLAGS, "color" },
        { "bt470",       NULL, 0, AV_OPT_TYPE_CONST, { .str = "bt470" },     0, 0, FLAGS, "color" },
        { "smpte170m",   NULL, 0, AV_OPT_TYPE_CONST, { .str = "smpte170m" }, 0, 0, FLAGS, "color" },
        { "bt709",       NULL, 0, AV_OPT_TYPE_CONST, { .str = "bt709" },     0, 0, FLAGS, "color" },
        { "fcc",         NULL, 0, AV_OPT_TYPE_CONST, { .str = "fcc" },       0, 0, FLAGS, "color" },
        { "smpte240m",   NULL, 0, AV_OPT_TYPE_CONST, { .str = "smpte240m" }, 0, 0, FLAGS, "color" },
        { "bt2020",      NULL, 0, AV_OPT_TYPE_CONST, { .str = "bt2020" },    0, 0, FLAGS, "color" },

posted @ 2020-10-10 09:29  虾兵  阅读(113)  评论(0)  编辑  收藏  举报