* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <stdlib.h>
#include "fbdev_common.h"
#include "libavutil/common.h"
return AV_PIX_FMT_NONE;
}
+
+const char* ff_fbdev_default_device()
+{
+ const char *dev = getenv("FRAMEBUFFER");
+ if (!dev)
+ dev = "/dev/fb0";
+ return dev;
+}
+
FBDevContext *fbdev = h->priv_data;
enum AVPixelFormat pix_fmt;
int ret, flags = O_RDWR;
+ const char* device;
if (h->nb_streams != 1 || h->streams[0]->codec->codec_type != AVMEDIA_TYPE_VIDEO) {
av_log(fbdev, AV_LOG_ERROR, "Only a single video stream is supported.\n");
return AVERROR(EINVAL);
}
- if ((fbdev->fd = avpriv_open(h->filename, flags)) == -1) {
+ if (h->filename[0])
+ device = h->filename;
+ else
+ device = ff_fbdev_default_device();
+
+ if ((fbdev->fd = avpriv_open(device, flags)) == -1) {
ret = AVERROR(errno);
av_log(h, AV_LOG_ERROR,
"Could not open framebuffer device '%s': %s\n",
- h->filename, av_err2str(ret));
+ device, av_err2str(ret));
return ret;
}