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mpv/test/libmpv_test.c

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/*
* 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 <inttypes.h>
#include <libmpv/client.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// Stolen from osdep/compiler.h
#ifdef __GNUC__
#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format(printf, a1, a2)))
#define MP_NORETURN __attribute__((noreturn))
#else
#define PRINTF_ATTRIBUTE(a1, a2)
#define MP_NORETURN
#endif
// Broken crap with __USE_MINGW_ANSI_STDIO
#if defined(__MINGW32__) && defined(__GNUC__) && !defined(__clang__)
#undef PRINTF_ATTRIBUTE
#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (gnu_printf, a1, a2)))
#endif
// Dummy values for test_options_and_properties
static const char *str = "string";
static int flag = 1;
static int64_t int_ = 20;
static double double_ = 1.5;
// Global handle.
static mpv_handle *ctx;
MP_NORETURN PRINTF_ATTRIBUTE(1, 2)
static void fail(const char *fmt, ...)
{
if (fmt) {
va_list va;
va_start(va, fmt);
vfprintf(stderr, fmt, va);
va_end(va);
}
exit(1);
}
static void exit_cleanup(void)
{
if (ctx)
mpv_destroy(ctx);
}
static mpv_event *wrap_wait_event(void)
{
while (1) {
mpv_event *ev = mpv_wait_event(ctx, 1);
if (ev->event_id == MPV_EVENT_NONE) {
continue;
} else if (ev->event_id == MPV_EVENT_LOG_MESSAGE) {
mpv_event_log_message *msg = (mpv_event_log_message*)ev->data;
printf("[%s:%s] %s", msg->prefix, msg->level, msg->text);
if (msg->log_level <= MPV_LOG_LEVEL_ERROR)
fail("error was logged");
} else {
return ev;
}
}
}
static void check_api_error(int status)
{
if (status < 0)
fail("mpv API error: %s\n", mpv_error_string(status));
}
/****/
static void check_double(const char *property, double expect)
{
double result_double;
check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_DOUBLE, &result_double));
if (expect != result_double)
fail("Double: expected '%f' but got '%f'!\n", expect, result_double);
}
static void check_flag(const char *property, int expect)
{
int result_flag;
check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_FLAG, &result_flag));
if (expect != result_flag)
fail("Flag: expected '%d' but got '%d'!\n", expect, result_flag);
}
static void check_int(const char *property, int64_t expect)
{
int64_t result_int;
check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_INT64, &result_int));
if (expect != result_int)
fail("Int: expected '%" PRId64 "' but got '%" PRId64 "'!\n", expect, result_int);
}
static void check_string(const char *property, const char *expect)
{
char *result_string;
check_api_error(mpv_get_property(ctx, property, MPV_FORMAT_STRING, &result_string));
if (strcmp(expect, result_string) != 0)
fail("String: expected '%s' but got '%s'!\n", expect, result_string);
mpv_free(result_string);
}
static void check_results(const char *properties[], enum mpv_format formats[])
{
for (int i = 0; properties[i]; i++) {
switch (formats[i]) {
case MPV_FORMAT_STRING:
check_string(properties[i], str);
break;
case MPV_FORMAT_FLAG:
check_flag(properties[i], flag);
break;
case MPV_FORMAT_INT64:
check_int(properties[i], int_);
break;
case MPV_FORMAT_DOUBLE:
check_double(properties[i], double_);
break;
}
}
}
static void set_options_and_properties(const char *options[], const char *properties[],
enum mpv_format formats[])
{
for (int i = 0; options[i]; i++) {
switch (formats[i]) {
case MPV_FORMAT_STRING:
check_api_error(mpv_set_option(ctx, options[i], formats[i], &str));
check_api_error(mpv_set_property(ctx, properties[i], formats[i], &str));
break;
case MPV_FORMAT_FLAG:
check_api_error(mpv_set_option(ctx, options[i], formats[i], &flag));
check_api_error(mpv_set_property(ctx, properties[i], formats[i], &flag));
break;
case MPV_FORMAT_INT64:
check_api_error(mpv_set_option(ctx, options[i], formats[i], &int_));
check_api_error(mpv_set_property(ctx, properties[i], formats[i], &int_));
break;
case MPV_FORMAT_DOUBLE:
check_api_error(mpv_set_option(ctx, options[i], formats[i], &double_));
check_api_error(mpv_set_property(ctx, properties[i], formats[i], &double_));
break;
}
}
}
/****/
static void test_file_loading(char *file)
{
const char *cmd[] = {"loadfile", file, NULL};
check_api_error(mpv_command(ctx, cmd));
int loaded = 0;
int finished = 0;
while (!finished) {
mpv_event *event = wrap_wait_event();
switch (event->event_id) {
case MPV_EVENT_FILE_LOADED:
// make sure it loads before exiting
loaded = 1;
break;
case MPV_EVENT_END_FILE:
if (loaded)
finished = 1;
break;
}
}
if (!finished)
fail("Unable to load test file!\n");
}
static void test_lavfi_complex(char *file)
{
const char *cmd[] = {"loadfile", file, NULL};
check_api_error(mpv_command(ctx, cmd));
int finished = 0;
int loaded = 0;
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 = 1;
break;
case MPV_EVENT_END_FILE:
if (loaded)
finished = 1;
break;
}
}
if (!finished)
fail("Lavfi complex failed!\n");
}
// Ensure that setting options/properties work correctly and
// have the expected values.
static void test_options_and_properties(void)
{
// Order matters. string -> flag -> int -> double (repeat)
// One for set_option the other for set_property
const char *options[] = {
"screen-name",
"save-position-on-quit",
"cursor-autohide",
"speed",
NULL
};
const char *properties[] = {
"fs-screen-name",
"shuffle",
"sub-pos",
"window-scale",
NULL
};
// Must match above ordering.
enum mpv_format formats[] = {
MPV_FORMAT_STRING,
MPV_FORMAT_FLAG,
MPV_FORMAT_INT64,
MPV_FORMAT_DOUBLE,
};
set_options_and_properties(options, properties, formats);
check_api_error(mpv_initialize(ctx));
check_results(options, formats);
check_results(properties, formats);
// Ensure the format is still MPV_FORMAT_FLAG for these property types.
mpv_node result_node;
check_api_error(mpv_get_property(ctx, "idle-active", MPV_FORMAT_NODE, &result_node));
if (result_node.format != MPV_FORMAT_FLAG)
fail("Node: expected mpv format '%d' but got '%d'!\n", MPV_FORMAT_FLAG, result_node.format);
// Always should be true.
if (result_node.u.flag != 1)
fail("Node: expected 1 but got %d'!\n", result_node.u.flag);
}
int main(int argc, char *argv[])
{
if (argc != 2)
return 1;
atexit(exit_cleanup);
ctx = mpv_create();
if (!ctx)
return 1;
check_api_error(mpv_set_option_string(ctx, "vo", "null"));
// load osc too to see if it works
check_api_error(mpv_set_option_string(ctx, "osc", "yes"));
check_api_error(mpv_request_log_messages(ctx, "debug"));
const char *fmt = "================ TEST: %s ================\n";
printf(fmt, "test_options_and_properties");
test_options_and_properties();
printf(fmt, "test_file_loading");
test_file_loading(argv[1]);
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;
}
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