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#include "ytdlsb-mpv.h"
#include "ytdlsb-utils.h"
#include <stdio.h>
#include <assert.h>

int ytdlsb_mpv_overlay_add(mpv_handle *m,
    int id, int x, int y,
    char *buf, size_t off, size_t w, size_t h, size_t stride,
    size_t dw, size_t dh
){
    char *command_keys[] = {
        "name", "id", "x", "y",
        "file", "offset", "fmt", "w", "h", "stride",
        "dw", "dh",
    };
    char filename[32];  // enough for 64bit int + 1byte prefix
    CKA(snprintf(filename, 32, "&%tu", (ptrdiff_t)((void *)buf - NULL)), < 32);
    mpv_node command_vals[] = {
        {
            .format = MPV_FORMAT_STRING,
            .u.string = "overlay-add",
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, id),
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, x),
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, y),
        }, {
            .format = MPV_FORMAT_STRING,
            .u.string = filename,
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, off),
        }, {
            .format = MPV_FORMAT_STRING,
            .u.string = "bgra",
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, w),
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, h),
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, stride),
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, dw),
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, dh),
        },
    };
    assert(sizeof(command_keys)/sizeof(command_keys[0])
        == sizeof(command_vals)/sizeof(command_vals[0]));
    mpv_node_list command_list = {
        .num = sizeof(command_keys)/sizeof(command_keys[0]),
        .values = command_vals,
        .keys = command_keys,
    };
    mpv_node command = {
        .format = MPV_FORMAT_NODE_MAP,
        .u.list = &command_list,
    };
    CKM(err, mpv_command_node(m, &command, NULL));
    return 0;
a:
    abort();
err:
    return -1;
}

int ytdlsb_mpv_overlay_remove(mpv_handle *m, int id){
    char *command_keys[] = {"name", "id"};
    mpv_node command_vals[] = {
        {
            .format = MPV_FORMAT_STRING,
            .u.string = "overlay-remove",
        }, {
            .format = MPV_FORMAT_INT64,
            .u.int64 = TRY_NUMCAST(a, int64_t, id),
        },
    };
    assert(sizeof(command_keys)/sizeof(command_keys[0])
        == sizeof(command_vals)/sizeof(command_vals[0]));
    mpv_node_list command_list = {
        .num = sizeof(command_keys)/sizeof(command_keys[0]),
        .values = command_vals,
        .keys = command_keys,
    };
    mpv_node command = {
        .format = MPV_FORMAT_NODE_MAP,
        .u.list = &command_list,
    };
    CKM(err, mpv_command_node(m, &command, NULL));
    return 0;
a:  abort();
err: return -1;
}