vo_example.c

来自「DawnLightPlayer,一个新的基于ffmpeg的全功能播放器」· C语言 代码 · 共 80 行

/**********************************************
 * Dawn Light Player
 *
 *   vo_example.c
 *
 * Created by kf701
 * 14:11:50 02/26/08 CST
 *
 * $Id: vo_example.c 168 2008-03-21 02:50:01Z kf701 $
 **********************************************/

#if ENABLE_VO_NULL

#include "avcodec.h"
#include "avoutput.h"
#include "global.h"

static pthread_mutex_t vo_mutex;

static void vo_lock_init()
{
	pthread_mutex_init(&vo_mutex,NULL);
}

static void vo_lock_free()
{
	pthread_mutex_destroy(&vo_mutex);
}

static void vo_lock()
{
	pthread_mutex_lock(&vo_mutex);
}

static void vo_unlock()
{
	pthread_mutex_unlock(&vo_mutex);
}

static int vo_example_init(void)
{
	/* ... */
	vo_lock_init();
	return 0;
}

static int vo_example_uninit(void)
{
	vo_lock();
	/* ... */
	vo_lock_free();
	return 0;
}

static void vo_example_display(AVPicture *pict)
{
	vo_lock();
	/* ... */
	vo_unlock();
	return;
}

static void vo_example_event_loop(void)
{
	while (1)
		pause();
}

vo_t vo_null =
{
	VO_ID_EXAMPLE,
	"null",
	vo_example_init,
	vo_example_uninit,
	vo_example_display,
	NULL,
};

#endif