AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER 316 libavdevice/opengl_enc.c (ret = avdevice_dev_to_app_control_message(h, AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER, NULL , 0)) < 0) { AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER 965 libavdevice/opengl_enc.c if ((ret = avdevice_dev_to_app_control_message(h, AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER, NULL , 0)) < 0) { AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER 993 libavdevice/opengl_enc.c avdevice_dev_to_app_control_message(h, AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER, NULL , 0) < 0) AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER 1212 libavdevice/opengl_enc.c (ret = avdevice_dev_to_app_control_message(h, AV_DEV_TO_APP_PREPARE_WINDOW_BUFFER, NULL , 0)) < 0) {