libmpv_test_lavfi_complex.c

/*
 * This file is part of mpv.
 *
 * mpv 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.
 *
 * mpv 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 mpv.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "libmpv_common.h"

static void test_lavfi_complex(char *file)
{
    const char *cmd[] = {"loadfile", file, NULL};
    check_api_error(mpv_command(ctx, cmd));
    bool finished = false;
    bool loaded = false;
    while (!finished) {
        mpv_event *event = wrap_wait_event();
        switch (event->event_id) {
        case MPV_EVENT_FILE_LOADED:
            // Add file as external and toggle lavfi-complex on.
            if (!loaded) {
                check_api_error(mpv_set_property_string(ctx, "external-files", file));
                const char *add_cmd[] = {"video-add", file, "auto", NULL};
                check_api_error(mpv_command(ctx, add_cmd));
                check_api_error(mpv_set_property_string(ctx, "lavfi-complex", "[vid1] [vid2] vstack [vo]"));
            }
            loaded = true;
            break;
        case MPV_EVENT_END_FILE:
            if (loaded)
                finished = true;
            break;
        }
    }
    if (!finished)
        fail("Lavfi complex failed!\n");
}

int main(int argc, char *argv[])
{
    if (argc != 2)
        return 1;

    ctx = mpv_create();
    if (!ctx)
        return 1;

    atexit(exit_cleanup);

    initialize();

    const char *fmt = "================ TEST: %s ================\n";
    printf(fmt, "test_lavfi_complex");
    test_lavfi_complex(argv[1]);
    printf("================ SHUTDOWN ================\n");

    mpv_command_string(ctx, "quit");
    while (wrap_wait_event()->event_id != MPV_EVENT_SHUTDOWN) {}

    return 0;
}